1 2012-03-11 H.J. Lu <hongjiu.lu@intel.com>
3 * config/i386/i386.md (lwp_slwpcb): Check Pmode instead of
6 2012-03-11 H.J. Lu <hongjiu.lu@intel.com>
7 Uros Bizjak <ubizjak@gmail.com>
9 * config/i386/predicates.md (call_insn_operand): Allow
10 constant_call_address_operand in Pmode only.
11 (sibcall_insn_operand): Ditto.
12 * config/i386/i386.md (*call): Use W mode iterator instead of P mode.
13 (*call_vzeroupper): Ditto.
15 (*sibcall_vzeroupper): Ditto.
17 (*call_value_vzeroupper): Ditto.
18 (*sibcall_value): Ditto.
19 (*sibcall_value_vzeroupper): Ditto.
20 (*indirect_jump): Ditto.
21 (*tablejump_1): Ditto.
22 (indirect_jump): Convert memory address to word mode for TARGET_X32.
24 * config/i386/i386.c (ix86_expand_call): Convert indirect operands
27 2012-03-11 Oleg Endo <olegendo@gcc.gnu.org>
30 * config/sh/sh.md (movnegt): Expand into respective insns immediately.
31 Use movrt_negc instead of negc pattern for non-SH2A.
33 (*movrt_negc, *negnegt, *movtt, *movt_qi): New insns and splits.
35 2012-03-10 H.J. Lu <hongjiu.lu@intel.com>
37 * config/i386/i386.c (ix86_decompose_address): Disallow fs:(reg)
38 if Pmode != word_mode.
39 (legitimize_tls_address): Call gen_tls_initial_exec_x32 if
40 Pmode == SImode for TARGET_X32.
42 * config/i386/i386.md (UNSPEC_TLS_IE_X32): New.
43 (tls_initial_exec_x32): Likewise.
45 2012-03-10 Chung-Lin Tang <cltang@codesourcery.com>
47 PR rtl-optimization/52528
48 * combine.c (can_combine_p): Add setting of subst_low_luid
49 before call to expand_field_assignment().
51 2012-03-09 Sandra Loosemore <sandra@codesourcery.com>
53 * doc/invoke.texi: Use correct names/markup for "GCC", "GDB", "ld",
54 and related program names.
56 2012-03-09 Sandra Loosemore <sandra@codesourcery.com>
58 * doc/invoke.texi: Use correct names for "DWARF", "stabs", and "ELF".
60 2012-03-09 Uros Bizjak <ubizjak@gmail.com>
63 * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
64 (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
66 * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
67 (*movdi_internal_rex64): Use %E operand modifier for lea.
68 (*movsi_internal): Ditto.
70 (*lea<mode>_2): Ditto.
71 (*lea_{3,4,5,6}_zext): Ditto.
72 (*tls_global_dynamic_32_gnu): Ditto.
73 (*tls_global_dynamic_64): Ditto.
74 (*tls_dynamic_gnu2_lea_32): Ditto.
75 (*tls_dynamic_gnu2_lea_64): Ditto.
76 (pro_epilogue_adjust_stack_<mode>_add): Ditto.
78 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
80 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
81 redefine to be NULL if the current bit-size is different from the
84 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
85 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
86 set the default tuning. Add asserts to make sure the cpu and tune
87 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
88 test whether the index is set, instead of > 0.
89 (rs6000_file_start): Do not reset the default cpu if the current
90 bit-size is different from the configured bit-size.
92 2012-03-09 Tristan Gingold <gingold@adacore.com>
94 * config/vms/vms-crtlmap.map: Add comments.
95 Add entries needed to build Ada RTS.
97 2012-03-09 Tristan Gingold <gingold@adacore.com>
99 * ginclude/stddef.h: Do not define __size_t on VMS.
101 2012-03-09 Tristan Gingold <gingold@adacore.com>
103 * c-tree.h (c_default_pointer_mode): New variable.
104 * c-decl.c (c_default_pointer_mode): New variable.
105 (c_build_pointer_type): New function.
106 (grokdeclarator): Call c_build_pointer_type instead
107 of build_pointer_type.
109 * config/vms/vms-c.c: Include c-tree.h
110 (saved_pointer_mode): New variable.
111 (handle_pragma_pointer_size): New function.
112 (vms_pragma_pointer_size, vms_pragma_required_pointer_size): Likewise.
113 (vms_c_register_pragma): Register __pointer_size and
114 __required_pointer_size pragmas.
116 2012-03-09 Tristan Gingold <gingold@adacore.com>
118 * config/vms/vms-c.c (vms_construct_include_filename): New function.
119 (vms_c_register_includes): Reference it.
121 2012-03-09 Andrew Pinski <apinski@cavium.com>
124 * tree-ssa-phiopt.c: Include tree-pretty-print.h for
126 (tree_ssa_phiopt_worker): Go through all the PHIs for
127 value_replacement instead of just the singleton one.
128 (value_replacement): Change return type to int. Return 0 instead of
130 Allow the middle basic block to contain more than just the defining
132 Handle non empty middle basic blocks.
133 * Makefile.in (tree-ssa-phiopt.o): Add tree-pretty-print.h.
135 2012-03-09 Jiangning Liu <jiangning.liu@arm.com>
137 * tree-scalar-evolution (interpret_rhs_expr): generate chrec for
138 array reference and component reference.
139 (analyze_scalar_evolution_for_address_of): New.
141 2012-03-08 Jie Zhang <jzhang918@gmail.com>
144 * config/bfin/bfin.c (hwloop_optimize): Fix unused variable warnings.
145 (hwloop_pattern_reg): Fix set but not used warning.
146 (bfin_reorg_loops): Remove unused parameter.
147 (bfin_reorg): Update use of bfin_reorg_loops.
149 2012-03-08 H.J. Lu <hongjiu.lu@intel.com>
151 * config/i386/i386.c (setup_incoming_varargs_64): Use word_mode
152 with integer parameters in registers.
153 (gen_push): Push register in word_mode instead of Pmode.
154 (ix86_emit_save_regs): Likewise.
155 (ix86_emit_save_regs_using_mov): Save integer registers in word_mode.
156 (gen_pop): Pop register in word_mode instead of Pmode.
157 (ix86_emit_restore_regs_using_pop): Likewise.
158 (ix86_expand_prologue): Replace Pmode with word_mode for push
159 immediate. Use ix86_gen_pro_epilogue_adjust_stack. Save and
160 restore RAX and R10 in word_mode.
161 (ix86_emit_restore_regs_using_mov): Restore integer registers
163 (ix86_expand_split_stack_prologue): Save R10_REG and restore in
165 (ix86_split_to_parts): Use word_mode with PUT_MODE for push.
166 (ix86_split_long_move): Likewise.
168 * config/i386/i386.md (W): New.
169 (*push<mode>2_prologue): Replace :P with :W.
170 (*pop<mode>1): Likewise.
171 (*pop<mode>1_epilogue): Likewise.
172 (push/pop peephole2): Use word_mode scratch registers.
174 2012-03-08 Uros Bizjak <ubizjak@gmail.com>
176 * config/i386/predicates.md (indirect_branch_operand): Simplify.
178 2012-03-08 Georg-Johann Lay <avr@gjlay.de>
180 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
181 for constants in [-63,63].
183 2012-03-08 Uros Bizjak <ubizjak@gmail.com>
187 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
189 * config/i386/i386.c (ix86_print_operand_address): Only handle
190 zero-extended DImode addresses.
192 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
194 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
195 * configure: Regenerate.
197 2012-03-08 Georg-Johann Lay <avr@gjlay.de>
200 * config/avr/avr.c (avr_mem_clobber): New static function.
201 (avr_expand_delay_cycles): Add memory clobber operand to
202 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
203 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
204 (enable_interrupt, disable_interrupt): New expander.
205 (nopv, sleep, wdr): New expanders.
206 (delay_cycles_1): Add memory clobber.
207 (delay_cycles_2): Add memory clobber.
208 (delay_cycles_3): Add memory clobber.
209 (delay_cycles_4): Add memory clobber.
210 (cli_sei): New insn from former "enable_interrupt",
211 "disable_interrupt" with memory clobber.
212 (*wdt): New insn from former "wdt" with memory clobber.
213 (*nopv): Similar, but for "nopv".
214 (*sleep): Similar, but for "sleep".
216 2012-03-07 Oleg Endo <olegendo@gcc.gnu.org>
217 Kaz Kojima <kkojima@gcc.gnu.org>
220 * config/sh/sh.opt (msoft-atomic): Use Var instead of Mask.
221 * config/sh/linux.h (TARGET_DEFAULT): Remove MASK_SOFT_ATOMIC.
222 (SUBTARGET_OVERRIDE_OPTIONS): Define.
224 2012-03-07 Uros Bizjak <ubizjak@gmail.com>
226 * config/i386/predicates.md (x86_64_zext_general_operand): New.
227 * config/i386/i386.md (*zero_extendsidi2_rex64): Change operand 1
228 predicate to x86_64_zext_general_operand. Accept "Z" constraint.
230 2012-03-07 Walter Lee <walt@tilera.com>
232 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
233 REG_CFA_* notes for the stack pointer.
234 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
235 EH_RETURN_STACKADJ_RTX.
236 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
237 generate REG_CFA_* notes for the stack pointer.
238 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
239 by EH_RETURN_STACKADJ_RTX.
241 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
243 * doc/invoke.texi (AVR Built-in Macros): Correct condition for
244 when __AVR_3_BYTE_PC__ is defined.
246 2012-03-07 Uros Bizjak <ubizjak@gmail.com>
248 * config/i386/i386.c (ix86_print_operand_punct_valid_p): Add '^'.
249 (ix86_print_operand): Handle '^'.
250 * config/i386/i386.md (*strmovdi_rex_1): Macroize memory operands
251 using P mode iterator. Add %^ to asm template to conditionally emit
253 (*rep_movdi_rex64): Ditto.
254 (*strsetdi_rex_1): Ditto.
255 (*rep_stosdi_rex64): Ditto.
256 (*strmov{si,hi,qi}_1): Add %^ to asm template to
257 conditionally emit addr32 prefix.
258 (*rep_mov{si,qi}): Ditto.
259 (*strset{si,hi,qi}): Ditto.
260 (*rep_stos{si,qi}): Ditto.
261 (*cmpstrnqi_nz_1): Ditto.
262 (*cmpstrnqi_1): Ditto.
263 (*strlenqi_1): Ditto.
265 2012-03-07 H.J. Lu <hongjiu.lu@intel.com>
267 * config/i386/i386.c (function_value_64): Return pointers in
268 word_mode instead of Pmode.
269 (ix86_promote_function_mode): Likewise.
271 2012-03-07 Richard Guenther <rguenther@suse.de>
273 * coverage.c (get_gcov_type): Use type_for_mode.
274 (get_gcov_unsigned_t): Likewise.
275 * expr.c (store_constructor): Use type_for_mode.
276 (try_casesi): Likewise.
277 * tree-ssa-loop-ivopts.c (add_standard_iv_candidates_for_size): Remove.
278 (add_standard_iv_candidates): Use standard type trees.
279 * dojump.c (do_jump): Remove dead code.
281 2012-03-07 Richard Guenther <rguenther@suse.de>
283 * c-typeck.c (pointer_diff): Use c_common_type_for_size.
285 2012-03-07 Richard Guenther <rguenther@suse.de>
287 * convert.c (strip_float_extensions): Move ...
288 * tree.c (strip_float_extensions): ... here.
290 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
293 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
295 2012-03-07 Richard Guenther <rguenther@suse.de>
297 * omp-low.c (extract_omp_for_data): Use signed_type_for.
298 (expand_omp_for_generic): Likewise.
299 (expand_omp_for_static_nochunk): Likewise.
300 (expand_omp_for_static_chunk): Likewise.
301 * tree-vect-stmts.c (vect_gen_perm_mask): Use type_for_mode.
302 * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
303 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop):
304 Use unsigned_type_for.
305 (vect_create_cond_for_align_checks): Use signed_type_for.
307 2012-03-07 Andrey Belevantsev <abel@ispras.ru>
309 PR rtl-optimization/52203
310 * sel-sched.c (estimate_insn_cost): New parameter pempty. Adjust
311 all callers to pass NULL except ...
312 (reset_sched_cycles_in_current_ebb): ... here, save the value
313 in new variable 'empty'. Increase issue_rate only for
316 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
319 * Makefile.in: Let install-gcc-ar depend on installdirs,
320 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
321 Don't double canonicalize if cross-compiling.
323 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
326 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
327 to: RAMPZ, RAMPY, RAMPX, RAMPD.
328 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
330 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
333 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
335 * config/avr/avr.md (xload_8): Adjust insn length.
337 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
340 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
341 if RAMPZ affects reading from RAM.
343 2012-03-07 Richard Guenther <rguenther@suse.de>
347 * doc/invoke.texi (Precompiled Headers): Remove sentence that
348 suggests you can include PCHs from inside another header.
350 2012-03-07 Richard Sandiford <rdsandiford@googlemail.com>
353 * rtl.h (pc_rtx, cc0_rtx, ret_rtx, simple_return_rtx): Add GTY markers.
355 2012-03-07 Kai Tietz <ktietz@redhat.com>
357 * doc/invoke.texi (fwritable-relocated-rdata): Document
358 new Cygwin/MinGW target option.
359 * config/i386/winnt.c (i386_pe_unique_section): Ignore
360 reloc if flag -fwritable-relocated-rdata is not set.
361 (i386_pe_section_type_flags): Likewise.
362 * config/i386/cygming.opt (fwritable-relocated-rdata):
363 Add new flag variable flag_writable_rel_rdata.
365 2012-03-07 Richard Guenther <rguenther@suse.de>
367 * tree-ssa-math-opts.c (convert_mult_to_widen): Check actual
368 precision against gimple constraints.
370 2012-03-06 Richard Sandiford <rdsandiford@googlemail.com>
373 * rtl.h (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): Redefine as
375 (GR_PC, GR_CC0, GR_RETURN, GR_SIMPLE_RETURN): Delete.
376 * emit-rtl.c (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): New
378 (init_emit_regs): Move associated initialization to...
379 (init_emit_once): ...here.
381 2012-03-06 Richard Henderson <rth@redhat.com>
383 * config/m68k/m68k.h (ISA_HAS_TAS): New.
384 * config/m68k/sync.md (atomic_test_and_set): Use it.
385 (atomic_test_and_set_1): Likewise.
387 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
390 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
391 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
392 (vector_ltgt<mode>): Likewise.
393 (vector_ordered<mode>): Likewise.
394 (vector_unordered<mode>): Likewise.
395 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
397 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
399 * trans-mem.c: New typedef for tm_region_p.
400 Define vector types for tm_region_p.
401 (tm_region_init): Replace region_worklist to a vector called
404 2012-03-06 Richard Guenther <rguenther@suse.de>
406 * fold-const.c (build_fold_addr_expr_with_type_loc): Fold
407 MEM_REF with constant pointer operand.
409 2012-03-06 Richard Guenther <rguenther@suse.de>
412 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
414 2012-03-06 Tristan Gingold <gingold@adacore.com>
416 * config/vms/vms-c.c (vms_pragma_nomember_alignment): Handle octaword.
417 (external_model_kind): Improve documentation.
418 (vms_pragma_extern_model): Handle relaxed_redef.
419 (vms_c_register_pragma): Allow expansion for nomember_alignment.
421 2012-03-06 Georg-Johann Lay <avr@gjlay.de>
423 * doc/invoke.texi (AVR Options): -mmcu=: Document the XMEGA cores.
424 Explain RAMPD, RAMPX, RAMPDY, RAMPZ usage by avr-gcc.
425 Some more notes on EIND usage and reorder EIND subsection.
427 2012-03-06 Tristan Gingold <gingold@adacore.com>
429 * config/vms/vms.c (VMS_CRTL_LDBL): Rename from VMS_CRTL_PRNTF.
430 * config/vms/vms-crtlmap.map: Rename PRNTF to LDBL.
432 2012-03-06 Tristan Gingold <gingold@adacore.com>
434 * config/vms/t-vmsnative (version): Define.
435 * config/vms/t-vms (STMP_FIXPROTO, STMP_FIXINC, version): Remove.
437 2012-03-06 Andrey Belevantsev <abel@ispras.ru>
439 PR rtl-optimization/52250
440 * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
441 to put note list into. Unconditionally call move_bb_info.
442 (move_bb_info): Do not assert the blocks being in the same region,
443 just drop the note list if they are not.
445 2012-03-06 Oleg Endo <olegendo@gcc.gnu.org>
448 * config/sh/sh.c (sh_expand_t_scc): Remove SH2A special case
449 and use unified expansion logic.
450 * config/sh/sh.md (xorsi3_movrt): Rename to movrt. Move
451 closer to the existing movt insn.
452 (negc): Rename insn to *negc. Add new expander.
453 (movnegt): Use xor pattern for T bit negation. Reserve helper
454 constant for negc pattern.
455 (*movnegt): New insn and splitter.
457 2012-03-05 Bernd Schmidt <bernds@codesourcery.com>
459 * c-typeck.c (pointer_diff): Check for POINTER_PLUS_EXPR, not
462 2012-03-05 Richard Henderson <rth@redhat.com>
464 * genemit.c (main): Include "target.h" in insn-emit.c.
465 * Makefile.in (insn-emit.o): Depend on TARGET_H.
466 * config/sh/sync.md (atomic_test_and_set): Reference
467 targetm.atomic_test_and_set_trueval instead of
468 TARGET_ATOMIC_TEST_AND_SET_TRUEVAL.
470 2012-03-05 Joern Rennecke <joern.rennecke@embecosm.com>
472 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
475 2012-03-05 Steven Bosscher <steven@gcc.gnu.org>
477 * langhooks.c (add_builtin_type): New function.
478 * langhooks.h (add_builtin_type): Export it.
479 * config/mep/mep.c (mep_init_builtins): Use it.
480 * config/rs6000/rs6000.c (rs6000_init_builtins): Use it.
482 2012-03-05 Jakub Jelinek <jakub@redhat.com>
485 * tree.h (BLOCK_SAME_RANGE): Define.
486 * function.c (block_fragments_nreverse): Clear BLOCK_SAME_RANGE
487 if BLOCK_FRAGMENT_CHAIN is non-NULL, but has it cleared.
488 Also clear BLOCK_SAME_RANGE if fragment chain's supercontext fragment
489 isn't equal to supercontext fragment's fragment chain.
490 Adjust BLOCK_SUPERCONTEXT to point to supercontext fragment's
492 (blocks_nreverse_all): Likewise.
493 (reorder_blocks_1): Compute BLOCK_SAME_RANGE bits. Set
494 BLOCK_SUPERCONTEXT to supercontext fragment instead of
495 supercontext fragment's fragment origin.
496 * dwarf2out.c (add_high_low_attributes): If stmt has the same
497 range as its parent (or parents thereof etc.), use the parent's
498 DW_AT_ranges value instead of creating a new .debug_ranges range.
500 2012-03-05 Richard Henderson <rth@redhat.com>
503 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
504 * omp-low.c (expand_omp_atomic): Assume anything aligned to
505 BIGGEST_ALIGNMENT is aligned.
507 2012-03-05 Richard Henderson <rth@redhat.com>
509 * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Move...
510 * config/sh/sh.c: ... here.
512 2012-03-05 Richard Henderson <rth@redhat.com>
515 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
516 instead of calling negqi2 directly.
518 2012-03-05 Aldy Hernandez <aldyh@redhat.com>
521 * trans-mem.c (tm_region_init): Use last_basic_block.
523 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
525 * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
526 * config/sh/sync.md (atomic_test_and_set): New expander.
527 (tasb, atomic_test_and_set_soft): New insns.
528 * config/sh/sh.opt (menable-tas): New option.
529 * doc/invoke.texi (SH Options): Document it.
531 2012-03-05 Richard Guenther <rguenther@suse.de>
533 * cfgloop.c (verify_loop_structure): Verify dominators before
535 * graphite-clast-to-gimple.c (graphite_verify): Do not verify
536 dominators from here.
537 * graphite-scop-detection.c (create_sese_edges): Likewise.
538 * loop-doloop.c (doloop_optimize_loops): Likewise.
539 * loop-init.c (loop_optimizer_init): Likewise.
540 * loop-unroll.c (unroll_and_peel_loops): Likewise.
541 * loop-unswitch.c (unswitch_loops): Likewise.
542 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
543 * tree-parloops.c (parallelize_loops): Likewise. Verify
544 only when checking is enabled.
545 * tree-loop-distribution.c (tree_loop_distribution): Likewise.
547 2012-03-05 Bernd Schmidt <bernds@codesourcery.com>
549 * genautomata.c (parse_automata_opt): New static function.
550 (initiate_automaton_gen): Remove all option handling code. Remove
551 argc argument. All callers changed.
552 (main): Call init_rtx_reader_args_cb with the new function as argument.
554 2012-03-05 Richard Guenther <rguenther@suse.de>
556 * cfgexpand.c (gimple_expand_cfg): Free dominator info.
557 * tree-if-conv.c (combine_blocks): Free post-dominator info
559 * tree-parloops.c (create_parallel_loop): Free and re-compute
560 dominator info after breaking it.
562 2012-03-05 Richard Guenther <rguenther@suse.de>
565 * optabs.h (trapv_unoptab_p): New function.
566 (trapv_binoptab_p): Likewise.
567 * optabs.c (expand_binop): Use emit_libcall_block_1 with
568 a proper equiv_may_trap argument.
569 (expand_unop): Likewise.
570 (emit_libcall_block_1): Take extra argument whether the
571 instruction may trap. Renamed from ...
572 (emit_libcall_block): ... this. New wrapper.
574 2012-03-05 Jakub Jelinek <jakub@redhat.com>
576 PR tree-optimization/51721
577 * tree-vrp.c (register_edge_assert_for_2): If comparing
578 lhs of right shift by constant with an integer constant,
579 add ASSERT_EXPRs for the rhs1 of the right shift.
581 * cfgrtl.c (cfg_layout_merge_blocks): Cleanup.
583 2012-03-05 Richard Guenther <rguenther@suse.de>
585 * tree.c (integer_zerop): Handle VECTOR_CSTs.
586 (integer_onep): Likewise.
587 (integer_all_onesp): Likewise.
589 2012-03-05 Georg-Johann Lay <avr@gjlay.de>
591 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
593 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
595 * config/i386/i386.c (pro_epilogue_adjust_stack): Check Pmode
596 instead of TARGET_64BIT.
598 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
600 * config/i386/i386.c (ix86_expand_prologue): Check Pmode to set
603 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
605 * config/i386/i386.c (ix86_print_operand_address): Only handle
606 zero-extended DImode addresses.
608 2012-03-04 Uros Bizjak <ubizjak@gmail.com>
610 * config/i386/i386.c (ix86_print_operand) <case '+'>: Declare
611 taken and cputaken as bool.
613 2012-03-04 Uros Bizjak <ubizjak@gmail.com>
615 * config/i386/constraints.md (Ya): New internal constraint.
616 * config/i386/i386.md (zero_extendsidi2): Remove expansion.
617 (*zero_extendsidi2_rex64): Add x,x alternative.
618 (*zero_extendsidi2): Ditto. Add o,0 alternative.
619 Remove flags reg clobber. Adjust corresponding splits.
620 (zero_extend<mode>si2): Macroize expander from zero_extendhisi2 and
621 zero_extendqisi2 expanders using SWI12 mode iterator.
622 (zero_extend<mode>si2_and): Macroize insn from
623 zero_extendhisi2_and and zero_extendqisi2_and. Merge corresponding
625 (*zero_extend<mode>si2): Macroize insn from
626 *zero_extendhisi2_movzbl and *zero_extendqisi2_movzbl.
627 (*zero_extend*2_movzbl_and): Remove insn patterns.
628 (zero_extendqihi2_and): Merge corresponding splitter.
629 (*zero_extendqihi2): Rename from *zero_extendqihi2_movzbl.
630 (*zero_extend*2_movzbl_and): Remove insn patterns.
631 (*anddi_1): Split TYPE_IMOVX instructions.
632 (*andsi_1): Use Ya for alternative 2. Split TYPE_IMOVX instructions.
634 (and->zext splitter): Add splitter pattern.
635 (zero extend with andsi3 splitter): Adjust zero_extend pattern.
637 2012-03-04 Sandra Loosemore <sandra@codesourcery.com>
639 * doc/invoke.texi (C++ Dialect Options): Minor copy-edits to
641 (Debugging Options): Likewise.
642 (Optimize Options): Likewise.
643 (i386 and x86-64 Options): Discuss -march before -mtune, consistently
644 with other architectures. Use official processor names with correct
645 spelling/capitalization. Fix formatting and grammar issues.
646 (i386 and x86-64 Windows Options): Similar cleanup here.
648 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
650 * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
652 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
654 * config/sh/sh.c (sh_dwarf_register_span): Don't apply
657 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
659 * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
660 operand is CONST_INT. Take COSTS_N_INSNS into account.
661 (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value
664 2012-03-02 Richard Henderson <rth@redhat.com>
666 * optabs.c (expand_atomic_test_and_set): Honor
667 atomic_test_and_set_trueval even when atomic_test_and_set
670 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
674 * config/sh/sh.c (sh_register_move_cost): Increase cost between
675 GENERAL_REGS and FP_REGS for SImode.
677 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
680 * config/sh/sh.md (negdi2): Add TARGET_SH1 condition.
681 (absdi2): New expander.
682 (*absdi2, *negabsdi2, negdi_cond): New insns and splits.
684 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
686 * config/sh/sync.md (atomic_exchange<mode>): New expander.
687 (atomic_exchange<mode>_soft): New insn.
689 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
691 * config/sh/sync.md: Update copyright notice dates.
692 (atomic_compare_and_swap<mode>): Use SImode for return value instead
694 (atomic_compare_and_swap<mode>_soft): Likewise.
696 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
699 * config/sh/sh.h (LOOP_ALIGN): Move logic to sh_loop_align.
700 * config/sh/sh.c: Update copyright notice dates.
701 (sh_loop_align): Add logic from LOOP_ALIGN. Don't disable loop
702 alignment for TARGET_HARD_SH4.
703 (sh_option_override): Reduce default function alignment. Set
704 loop alignment to 4 bytes when not optimizing for size.
706 2012-03-02 Maxim Kuvyrkov <maxim@codesourcery.com>
709 * doc/invoke.texi (floop-flatten): Remove.
710 * toplev.c (process_options): Remove references to flag_loop_flatten.
711 * tree-ssa-loop.c (gate_graphite_transform): Same.
712 * common.opt (floop-flatten): Obsolete.
713 * graphite-poly.c (apply_poly_transforms): Remove reference to
715 * Makefile.in (graphite-flattening.o): Remove.
716 * graphite-flattening.c: Remove.
718 2012-03-02 Uros Bizjak <ubizjak@gmail.com>
720 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
721 having mode compatible with the mode of previous compare. Substitute
722 compare mode of previous compare with the mode, compatible
723 with eliminated and previous compare.
725 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
727 * config/rs6000/dfp.md (floatdidd2): New define_insn.
729 2012-03-02 Uros Bizjak <ubizjak@gmail.com>
731 * config/i386/i386.c (ix86_cc_modes_compatible): Declare CCZmode
732 compatible with CCGOCmode and CCGCmode.
734 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
736 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
738 2012-03-02 Ulrich Weigand <ulrich.weigand@linaro.org>
740 * config/arm/arm.c (arm_sat_operator_match): New function.
741 * config/arm/arm-protos.h (arm_sat_operator_match): Add prototype.
742 * config/arm/arm.md ("insn" attribute): Add "sat" value.
743 ("SAT", "SATrev"): New code iterators.
744 ("SATlo", "SAThi"): New code iterator attributes.
745 ("*satsi_<SAT:code>"): New pattern.
746 ("*satsi_<SAT:code>_shift"): Likewise.
747 * config/arm/arm-fixed.md ("arm_ssatsihi_shift"): Add "insn"
748 and "shift" attributes.
749 ("arm_usatsihi"): Add "insn" attribute.
750 * config/arm/predicates.md (sat_shift_operator): Allow multiplication
751 by powers of two. Do not allow shift by 32.
753 2012-03-02 Uros Bizjak <ubizjak@gmail.com>
756 * config/i386/i386.c (construct_container): Use gen_reg_or_parallel
757 to pass the argument in the register of "natural" mode.
759 2012-03-02 Richard Guenther <rguenther@suse.de>
761 PR tree-optimization/52406
762 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
763 (struct indices): Add unconstrained_base member.
764 (struct dr_alias): Remove unused vops member.
765 (DR_UNCONSTRAINED_BASE): New define.
766 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
767 add indices to allow their disambiguation. Make DR_BASE_OBJECT
768 be an artificial access that covers the whole indexed object,
769 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
770 plain decl base-objects to their MEM_REF variant.
771 (dr_may_alias_p): When the base-object of either data reference
772 has unknown size use only points-to information.
773 (compute_affine_dependence): Make dumps easier to read and
775 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
776 DR_REF when looking for packed references.
777 (vect_supportable_dr_alignment): Likewise.
779 2012-03-02 Greta Yorsh <Greta.Yorsh@arm.com>
781 * config/arm/arm-ldmstm.ml (write_ldm_commutative_peephole):
782 Improve conditions for peepholes of loads followed by commutative
784 * config/arm/ldmstm.md: Regenerated.
786 2012-03-02 Richard Guenther <rguenther@suse.de>
788 * BASE-VER: Set to 4.8.0.
790 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
792 * config.gcc (obsolete): Add all ARM targets using the FPA.
793 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
794 * doc/install.texi: Avoid references to obsolete ARM ports.
796 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
798 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
800 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
801 Joern Rennecke <joern.rennecke@embecosm.com>
803 * doc/extend.texi: Expand and update information on interrupt
804 attribute for Epiphany.
806 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
808 * config/sh/sh-protos.h: Update copyright notice dates.
809 * config/sh/sh.h: Likewise.
810 * config/sh/sh.md: Likewise.
811 * config/sh/constraints.md: Likewise.
812 * config/sh/predicates.md: Likewise.
814 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
816 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
817 * config/sh/sh.c (tertiary_reload_operand): Likewise.
819 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
821 * config/sh/constraints.md: Fix comment typo.
823 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
826 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
827 unsigned HOST_WIDE_INT.
828 (zvdep_imm64): Likewise.
829 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
830 (vdepi_and): Likewise.
831 Likewise for unamed 64-bit patterns.
832 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
834 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
837 PR rtl-optimization/52417
838 * cselib.c (cselib_any_perm_equivs): New variable.
839 (cselib_reset_table): Check that it's not set when not
840 preserving constants.
841 (cselib_add_permanent_equiv): Set it.
842 (cselib_have_permanent_equivalences): New.
843 (cselib_init, cselib_finish): Reset it.
844 * cselib.h (cselib_have_permanent_equivalences): Declare.
845 * alias.c (get_addr): Restore earlier behavior when there
846 aren't permanent equivalences.
848 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
850 * config/mn10300/mn10300-modes.def: Fix copyright notice.
851 * config/v850/v850-modes.def: Fix copyright notice.
853 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
855 * doc/extend.texi (AVR Built-in Functions): Document
856 __builtin_avr_flash_segment.
858 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
859 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
860 (*split.flash_segment): New insn-and-split.
861 * config/avr/avr.c (avr_init_builtins): Add local variables:
862 const_memx_void_node, const_memx_ptr_type_node,
863 char_ftype_const_memx_ptr.
865 2012-03-01 Jakub Jelinek <jakub@redhat.com>
867 PR tree-optimization/52445
868 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
869 add ssa_name_ver, offset and size fields and change store field
871 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
872 (add_or_mark_expr): Likewise. Only consider previous stores
873 with the same size and offset.
874 (nt_init_block): Only look at gimple_assign_single_p stmts,
875 doesn't look at rhs2.
877 2012-03-01 Richard Guenther <rguenther@suse.de>
880 * tree-cfg.c (verify_gimple_assign_unary): Allow any
881 conversions from integral types to pointer types.
883 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
885 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
886 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
887 unintentionally removed in r184616.
889 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
891 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
894 2012-02-29 Jakub Jelinek <jakub@redhat.com>
895 Uros Bizjak <ubizjak@gmail.com>
898 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
899 alternatives, add "e" constraint to the new last alternative
900 and ! to last 3 alternatives.
902 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
904 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
905 DW_AT_artificial attributes at the end of the processing.
906 (gen_array_type_die): Likewise.
907 (gen_enumeration_type_die): Likewise.
908 (gen_struct_or_union_type_die): Likewise.
909 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
912 2012-02-29 Jakub Jelinek <jakub@redhat.com>
915 * expr.c (expand_assignment): If doing misaligned store that doesn't
916 cover all mode bits, perform a RMW cycle.
918 PR tree-optimization/52429
919 * tree-parloops.c (separate_decls_in_region_debug): Return early
920 if var is LABEL_DECL.
922 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
924 PR tree-optimization/52424
925 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
926 calling dom_thread_across_edge.
928 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
930 * config/avr/avr.c: Move definition of TARGET macros to end of file.
932 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
934 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
935 * config/avr/avr.c (avr_output_bld): Remove unused function.
936 (avr_out_sbxx_branch): Use "%T" to print bit position.
938 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
940 * config/avr/avr.md: Untabify.
942 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
944 * config/avr/avr.md (eqne): New code iterator.
945 (*dec-and-branchsi): Use it in text peephole's condition.
946 (*dec-and-branchhi): Ditto.
947 (*dec-and-branchqi): Ditto.
949 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
952 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
953 the device does not have the skip-bug.
955 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
957 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
958 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
959 -mpretend-cmove): New.
961 2012-02-29 Jakub Jelinek <jakub@redhat.com>
964 * df.h (struct df_d): Adjust comment that hard_regs_live_count
965 doesn't count DEBUG_INSN refs.
966 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
969 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
973 2012-02-20 Richard Guenther <rguenther@suse.de>
974 PR tree-optimization/52298
975 * tree-vect-stmts.c (vectorizable_load): Properly use
976 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
979 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
982 * gimple.h (gimple_in_transaction): New.
983 (gimple_set_in_transaction): New.
984 (struct gimple_statement_base): Add in_transaction field.
985 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
987 (tree_ssa_lim_initialize): Compute transaction bits.
988 * tree.h (compute_transaction_bits): Protoize.
989 * trans-mem.c (tm_region_init): Use the heap to store BB
991 (compute_transaction_bits): New.
993 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
995 * gcc.c (display_help): Document --help=common and sort entries
998 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1000 * doc/install.texi: Document check-$LANG specific shortcuts
1002 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1005 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1007 * config/arm/arm_neon.h: Regenerate.
1008 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1009 (neon_vcgeu): New insn.
1010 (neon_vcgtu): Likewise.
1011 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1012 (ops): Unsigned comparison intrinsics call a different builtin.
1014 2012-02-28 Richard Guenther <rguenther@suse.de>
1017 * config/i386/i386.c (ix86_expand_vector_set): Fix element
1018 ordering for the VEC_CONCAT for two element vectors for
1019 V2SFmode, V2SImode and V2DImode.
1021 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1024 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1025 detecting big-endian triplets.
1027 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1029 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1030 mode if there is no type information available.
1032 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
1034 PR tree-optimization/53207
1035 * doc/invoke.texi: Document as experimental and relying on graphite.
1037 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1039 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1040 of initializer to changes from r184614.
1042 2012-02-28 Richard Guenther <rguenther@suse.de>
1044 PR tree-optimization/52395
1045 * tree-sra.c (build_ref_for_offset): Also look at the base
1046 TYPE_ALIGN when figuring out the alignment of the replacement.
1048 2012-02-28 Richard Guenther <rguenther@suse.de>
1050 PR tree-optimization/52402
1051 * ipa-prop.c (ipa_modify_call_arguments): Properly use
1052 mis-aligned types when creating the accesses at the call site.
1054 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1056 * config/avr/builtins.def: New file.
1057 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1058 * config/avr/avr.c (enum avr_builtin_id): Use it.
1059 (avr_init_builtins): Use it. And use avr_bdesc.
1060 (bdesc_1arg): Remove.
1061 (bdesc_2arg): Remove.
1062 (bdesc_3arg): Remove.
1063 (struct avr_builtin_description): Add field n_args.
1064 (avr_bdesc): New static variable using builtins.def.
1065 (avr_expand_builtin): Use it.
1066 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1067 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1068 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1070 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1073 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1074 match only one single hard register with respective hard reg rtx.
1075 (movmemx_<mode>): Ditto.
1076 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1077 insn anatomy of movmem[x]_<mode>.
1078 (avr_out_movmem): Same for printing assembler and operand usage.
1080 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1084 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1085 address spaces located outside of device flash.
1087 * config/avr/avr.h (base_arch_s): Remove field n_segments.
1088 (mcu_type_s): Add field n_flash.
1089 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1090 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1091 (AVR_MCU): Add N_FLASH argument.
1092 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1093 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1094 macro __FLASH<n> if that address space makes sense for the device.
1095 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1096 outside of target flash.
1097 (avr_asm_named_section): Ditto.
1098 (avr_asm_select_section): Ditto.
1099 (avr_addr_space_convert): Ditto.
1100 (avr_emit_movmemhi): Ditto.
1101 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1102 address space is outside of device flash.
1103 (avr_insert_attributes): Ditto.
1104 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1105 avr_current_arch->n_segments.
1107 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
1110 * config/i386/i386.md (*movabs<mode>_1): Enable only for TARGET_LP64.
1111 (*movabs<mode>_2): Likewise.
1113 2012-02-27 Jakub Jelinek <jakub@redhat.com>
1116 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1117 s_register_operand in the test instead of REG_P. Don't call
1118 gen_reg_rtx if it won't be used.
1120 PR tree-optimization/52376
1121 * ipa-split.c (split_function): Ignore CLOBBER stmts.
1123 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
1125 * ifcvt.c (noce_get_condition): Check condition variable is not
1126 small_register_classes_for_mode_p before accepting.
1128 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
1130 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1132 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1135 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1136 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1138 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1140 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
1142 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1144 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
1146 * config/sh/predicates.md: Remove blank lines.
1147 * config/sh/sh.c: Fix typos in comments.
1148 * config/sh/constraints.md: Likewise.
1149 * config/sh/sh.md: Remove blank lines.
1150 Fix typos in comments. Use ;; as comment characters.
1152 2012-02-26 Walter Lee <walt@tilera.com>
1154 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1155 (replace_mov_pcrel_step2): Ditto.
1157 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
1160 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1161 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
1162 and locs that reference values newer than the non-canonical value
1163 at hand. Return the canonical value as a worst case.
1164 (memrefs_conflict_p): Walk canonical value's locs.
1167 * cselib.c (preserve_only_constants): Rename to...
1168 (preserve_constants_and_equivs): ... this. Split out...
1169 (invariant_or_equiv_p): ... this. Preserve plus expressions
1170 of other preserved expressions too.
1171 (cselib_reset_table): Adjust.
1172 * var-tracking.c (reverse_op): Use canonical value to build
1175 2012-02-23 Kai Tietz <ktietz@redhat.com>
1177 * config/i386/i386.c (ix86_delegitimize_address): Handle
1178 UNSPEC_PCREL plus displacement.
1180 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
1183 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1184 to test for unusedness in st X addressing.
1186 2012-02-24 Richard Guenther <rguenther@suse.de>
1189 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1190 (is_gimple_reg_type): Move inline ...
1191 * gimple.h (is_gimple_reg_type): ... here.
1193 2012-02-24 Richard Guenther <rguenther@suse.de>
1196 * passes.c (execute_function_todo): When verifying SSA form
1197 verify gimple form first.
1198 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1200 2012-02-24 Richard Guenther <rguenther@suse.de>
1203 * fold-const.c (fold_addr_of_array_ref_difference): New function.
1204 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1206 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1208 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1210 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1212 * tree-phinodes.c (make_phi_node): Mark static.
1213 * tree-flow.h (make_phi_node): Remove extern decl.
1214 * doc/gimple.texi (make_phi_node): Remove documentation.
1216 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1218 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1219 * tree-ssa-sccvn.c (print_scc): Ditto.
1221 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1223 * doc/passes.texi (Full redundancy elimination): Fix typo.
1225 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1227 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1229 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
1232 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1234 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
1237 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1239 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
1241 * config/avr/avr.md (code_stdname): Add ior, xor.
1242 (xior): New code iterator.
1243 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1244 (*<code_stdname><mode>qi.byte1-3): Ditto.
1246 2012-02-23 Jakub Jelinek <jakub@redhat.com>
1248 PR tree-optimization/52019
1249 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1252 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1254 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1255 HAVE_INITFINI_ARRAY to work around namespace pollution in
1256 certain versions of newlib system headers.
1257 * config.in: Regenerate.
1258 * configure: Regenerate.
1259 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1260 instead of HAVE_INITFINI_ARRAY.
1262 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
1265 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1266 is not offsettable memory reference.
1268 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1271 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1272 setting avr_need_clear_bss_p for __gnu_lto* symbols.
1274 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1276 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1277 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1279 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1281 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1282 library on Solaris 8 even without TLS support.
1283 * configure: Regenerate.
1285 2012-02-22 Richard Guenther <rguenther@suse.de>
1288 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1289 for GIMPLE_DEBUG stmts.
1291 2012-02-22 Martin Jambor <mjambor@suse.cz>
1294 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1295 according to the base object.
1297 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1299 PR rtl-optimization/50063
1300 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1301 and 2 (8-bit SP) in operand 2.
1302 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1303 setup to use movhi_sp_r instead of vanilla move to write SP.
1304 Adjust REG_CFA notes to superseed unspec.
1305 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1307 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1308 known to be off) only with TARGET_NO_INTERRUPTS. Never use
1309 irq_state 1 (IRQ known to be on) here.
1311 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
1313 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1315 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1316 assign_hard_reg): Likewise.
1318 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1320 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1322 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1325 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1326 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1328 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1330 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1331 prototype from here to...
1332 * config/avr/avr.h: ...here.
1334 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
1337 * thumb2.md (thumb2_shiftsi3_short): Split register and
1338 immediate shifts. For register shifts tie operands 0 and 1.
1339 (peephole2 for above): Check that register-controlled shifts
1340 have suitably tied operands.
1342 2012-02-21 Quentin Neill <quentin.neill@amd.com>
1345 * config/i386/bdver1.md (bdver1_call, bdver1_push,
1346 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1347 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1348 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1349 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1350 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1351 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1352 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1353 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1354 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1355 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1356 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1357 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1358 bdver1_ssevector_avx256_unaligned_load,
1359 bdver1_ssevector_sse128_unaligned_load,
1360 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1361 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1362 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1363 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1364 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1365 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1366 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1367 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1368 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1369 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1370 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1371 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1372 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1373 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1374 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1375 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1376 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1377 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1378 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1379 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1380 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1381 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1382 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1383 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1384 bdver1_ssediv_double_load, bdver1_ssediv_double,
1385 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1386 Add "bdver2" attribute.
1388 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1390 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1391 default if possible and not specified otherwise.
1393 2012-02-21 Richard Guenther <rguenther@suse.de>
1396 * gimplify.c (create_tmp_from_val): Use the main variant type
1397 for the type of the temporary we create.
1399 2012-02-21 Richard Guenther <rguenther@suse.de>
1401 PR tree-optimization/52324
1402 * gimplify.c (gimplify_expr): When re-gimplifying expressions
1403 do not gimplify a MEM_REF address operand if it is already
1406 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1408 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1409 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1411 2012-02-21 Richard Guenther <rguenther@suse.de>
1413 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1414 nested_in_vect_loop.
1416 2012-02-21 Jakub Jelinek <jakub@redhat.com>
1418 PR tree-optimization/52318
1419 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1420 vdef also to non-pure/const call stmts in the sequence.
1422 2012-02-21 Tristan Gingold <gingold@adacore.com>
1424 * config/vms/vms-ld.c (main): Fix IDENTIFICATION padding.
1426 2012-02-20 David S. Miller <davem@davemloft.net>
1428 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1429 don't use the "rd %pc" instruction on v9 for PIC register loads.
1431 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
1434 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1435 in a transaction safe function.
1437 2012-02-20 Kai Tietz <ktietz@redhat.com>
1440 * stor-layout.c (place_field): Handle desired_align for
1443 2012-02-20 Richard Guenther <rguenther@suse.de>
1445 PR tree-optimization/52298
1446 * tree-vect-stmts.c (vectorizable_store): Properly use
1447 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1449 (vectorizable_load): Likewise.
1450 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1451 Access DR_STEP after ensuring it is not NULL.
1453 2012-02-20 Jakub Jelinek <jakub@redhat.com>
1455 PR tree-optimization/52286
1456 * fold-const.c (fold_binary_loc): For (X & C1) | C2
1457 optimization use double_int_to_tree instead of build_int_cst_wide,
1458 rewrite to use double_int vars.
1460 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1463 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1465 Remove -e 0 from $gcc_cv_ld invocation.
1466 Only use __GLIBC_PREREQ if defined.
1467 Enable on Solaris since Solaris 8 patch.
1468 (gcc_SUN_LD_VERSION): New macro.
1469 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1470 gcc_SUN_LD_VERSION for version number format.
1471 * configure: Regenerate.
1472 * varasm.c (get_elf_initfini_array_priority_section): Set
1473 SECTION_NOTYPE for non-default priority.
1474 Use get_section instead of get_unnamed_section to emit
1475 .init_array/.fini_array with default priority.
1477 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1479 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1480 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
1481 (mips_start_unique_function, mips_output_mips16_rdhwr)
1482 (mips_code_end): New functions.
1483 (TARGET_ASM_CODE_END): Define.
1485 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1487 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1488 to stubs with non-sibling calls.
1490 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
1492 * doc/invoke.texi (-fira-* options): Copy-edit.
1493 (ira-* parameters): Copy-edit.
1495 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1497 * doc/invoke.texi: Minor copy-edits to bring into conformance with
1498 GCC coding conventions.
1500 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1502 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1503 when used as adjectives.
1505 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
1507 * doc/invoke.texi: Clean up "that"/"which" confusion.
1509 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
1511 * system.h: Poison SMALL_REGISTER_CLASSES
1512 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1513 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1515 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1517 PR tree-optimization/52285
1518 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1519 when deciding if a call is a tail call or tail recursion.
1521 2012-02-16 Kai Tietz <ktietz@redhat.com>
1523 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1524 interger-constant displacement for UNSPEC_PCREL.
1526 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1528 PR rtl-optimization/52208
1529 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1530 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1532 PR tree-optimization/52255
1533 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1534 loop->header has virtual PHI, but exit_e->dest doesn't, add
1535 virtual PHI to exit_e->dest and adjust all uses after the loop.
1538 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1539 children with clone_tree_hash, not after it.
1541 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
1543 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1544 extended identifiers.
1546 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1549 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1550 a same_body_alias, also test whether e->callee isn't a former
1551 or current clone of the decl this is a same body alias of.
1553 PR translation/52264
1554 * cgraphunit.c (verify_cgraph_node): Fix a typo.
1556 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
1558 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1560 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
1563 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1564 force_reg instead of copy_to_reg for better optimization. Force
1565 non-register or memory operands into a register.
1567 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
1569 * extend.texi: Reserve upper bits of memory model for future use.
1571 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
1572 Anatoly Sokolov <aesok@post.ru>
1573 Eric Weddington <eric.weddington@atmel.com>
1576 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1577 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1578 Rewrite initializers for .macro.
1579 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1580 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1581 atxmega32d4, atxmega32x1.
1582 avrxmega4: atxmega64a3, atxmega64d3.
1583 avrxmega5: atxmega64a1, atxmega64a1u.
1584 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1585 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1586 avrxmega7: atxmega128a1, atxmega128a1u.
1587 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1588 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1589 (struct base_arch_s): Rename reserved to xmega_p.
1590 Rename reserved2 to have_rampd.
1591 (AVR_XMEGA): New define.
1592 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1593 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1594 * config/avr/predicates.md (io_address_operand): Take into
1596 (low_io_address_operand): Ditto.
1597 (high_io_address_operand): Ditto.
1598 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1599 (enabled, movhi_sp_r): Use them.
1600 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1601 cpp_define_formatted to built-in define __AVR_ARCH__.
1602 (__AVR_XMEGA__): New built-in define.
1603 (__AVR_HAVE_RAMPD__): New built-in define.
1604 (__AVR_HAVE_RAMPX__): New built-in define.
1605 (__AVR_HAVE_RAMPY__): New built-in define.
1606 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1608 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1609 (avr_option_override): Initialize them.
1610 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1611 (avr_init_expanders): Initialize them. No more block several calls.
1612 (emit_push_sfr): New static function.
1613 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1615 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1616 (avr_print_operand): Print addreeses as symbols for
1617 RAMPX, RAMPY, RAMPD, CCP.
1618 (output_movhi): Handle AVR_XMEGA when writing to SP.
1619 (avr_out_movhi_mr_r_xmega): New static function.
1620 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1621 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
1622 __RAMPD__, __CCP__ as needed.
1624 * config/avr/multilib.h: Regenerate.
1625 * config/avr/t-multilib: Regenerate.
1626 * config/avr/avr-tables.opt: Regenerate.
1628 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
1630 PR tree-optimization/50561
1631 * graphite-flattening.c (lst_project_loop): Do not
1632 remove old scattering dimensions after flattening.
1633 (lst_do_flatten): Likewise.
1635 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
1637 * doc/extend.texi (AVR Built-in Functions): Remove doc for
1638 __builtin_avr_map8, __builtin_avr_map16.
1639 Document __builtin_avr_insert_bits.
1641 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1642 (insert_bits): New insn.
1643 (adjust_len.map_bits): Rename to insert_bits.
1644 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1645 * avr-protos.h (avr_out_map_bits): Remove.
1646 (avr_out_insert_bits, avr_has_nibble_0xf): New.
1647 * config/avr/constraints.md (Cxf,C0f): New.
1648 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1649 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1650 New built-in define __BUILTIN_AVR_INSERT_BITS.
1651 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1652 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1653 (avr_move_bits): Rewrite.
1654 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1656 (avr_map_op_t): New typedef.
1657 (avr_map_op): New static variable.
1658 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1659 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1660 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1661 (bdesc_3arg, avr_expand_triop_builtin): New.
1662 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1663 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1664 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1665 (avr_map_equal_p, avr_map_sig_p): Remove.
1666 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1667 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1668 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1669 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1670 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1671 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1673 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1675 * config/c6x/c6x.md (reserve_cycles): New attribute.
1676 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1677 don't reserve functional units after the branch occurs.
1679 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
1682 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1683 functions into non-tm_pure functions.
1685 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
1688 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1689 (iterative_hash_canonical_type): Likewise.
1690 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1693 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1695 * haifa-sched.c (prune_ready_list): Ensure that if there is a
1696 sched-group insn, it either remains alone or the entire list is pruned.
1698 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1700 * doc/install.texi (Prerequisites): Fix grammar.
1701 (Configuration): Likewise.
1703 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1705 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1706 MPC as part of GCC before describing configuring with --with-gmp etc.
1707 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1708 sources are present.
1710 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1713 * dwarf2out.c (clone_tree_hash): New function.
1714 (copy_decls_walk): Use it instead of clone_tree.
1716 2012-02-14 Richard Guenther <rguenther@suse.de>
1718 PR tree-optimization/52244
1719 PR tree-optimization/51528
1720 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1721 replacements for integral types.
1723 2012-02-14 Walter Lee <walt@tilera.com>
1725 * config.gcc: Handle tilegx and tilepro.
1726 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1728 Add HAVE_AS_TLS check for tilegx and tilepro.
1729 * configure: Regenerate.
1730 * doc/contrib.texi: Add Mat Hostetter and self.
1731 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1732 Document instruction intrinsics and network accessing intrinsics.
1733 (TILEPro Built-in Functions): New node. Document instruction
1734 intrinsics and network accessing intrinsics.
1735 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1736 (Specific, tilepro-*-linux*): Likewise.
1737 * doc/invoke.texi (TILE-Gx Options): New section.
1738 (TILEPro Options): New section.
1739 * doc/md.texi (TILE-Gx): New section.
1740 (TILEPro): New section.
1741 * common/config/tilegx/tilegx-common.c: New file.
1742 * common/config/tilepro/tilepro-common.c: New file.
1743 * config/tilegx/constraints.md: New file.
1744 * config/tilegx/linux.h: New file.
1745 * config/tilegx/mul-tables.c: New file.
1746 * config/tilegx/predicates.md: New file.
1747 * config/tilegx/sync.md: New file.
1748 * config/tilegx/t-tilegx: New file.
1749 * config/tilegx/tilegx-builtins.h: New file.
1750 * config/tilegx/tilegx-c.c: New file.
1751 * config/tilegx/tilegx-generic.md: New file.
1752 * config/tilegx/tilegx-modes.def: New file.
1753 * config/tilegx/tilegx-multiply.h: New file.
1754 * config/tilegx/tilegx-protos.h: New file.
1755 * config/tilegx/tilegx.c: New file.
1756 * config/tilegx/tilegx.h: New file.
1757 * config/tilegx/tilegx.md: New file.
1758 * config/tilegx/tilegx.opt: New file.
1759 * config/tilepro/constraints.md: New file.
1760 * config/tilepro/gen-mul-tables.cc: New file.
1761 * config/tilepro/linux.h: New file.
1762 * config/tilepro/mul-tables.c: New file.
1763 * config/tilepro/predicates.md: New file.
1764 * config/tilepro/t-tilepro: New file.
1765 * config/tilepro/tilepro-builtins.h: New file.
1766 * config/tilepro/tilepro-c.c: New file.
1767 * config/tilepro/tilepro-generic.md: New file.
1768 * config/tilepro/tilepro-modes.def: New file.
1769 * config/tilepro/tilepro-multiply.h: New file.
1770 * config/tilepro/tilepro-protos.h: New file.
1771 * config/tilepro/tilepro.c: New file.
1772 * config/tilepro/tilepro.h: New file.
1773 * config/tilepro/tilepro.md: New file.
1774 * config/tilepro/tilepro.opt: New file.
1776 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1778 PR tree-optimization/52210
1779 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1780 vect_model_simple_cost with two entry vect_def_type array instead
1781 of an address of dt.
1783 2012-02-14 Richard Guenther <rguenther@suse.de>
1786 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1787 Do not stream DECL_QUALIFIER.
1788 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1789 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1790 (find_decls_types_r): Do not walk DECL_QUALIFIER.
1792 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1795 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1798 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1801 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1802 * cselib.c (cselib_subst_to_values_from_insn): New function.
1803 * sched-deps.c (add_insn_mem_dependence,
1804 sched_analyze_1, sched_analyze_2): Use it.
1806 2012-02-13 Jan Hubicka <jh@suse.cz>
1809 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1811 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
1813 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1814 (GTM_SELF_SPECS): Define if not already defined.
1815 (driver_self_specs): Add GTM_SELF_SPECS.
1816 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1817 (GTM_SELF_SPECS): Define.
1818 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1819 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1821 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1823 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1826 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1829 * omp-low.c (expand_omp_for): If a static schedule without chunk size
1830 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1832 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
1835 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1837 2012-02-13 Richard Guenther <rguenther@suse.de>
1839 PR translation/52211
1840 * passes.c (enable_disable_pass): Fix typo.
1842 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1845 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1846 XOR for reduce_bit_field if type is unsigned.
1848 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
1850 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1851 disallow changes from SFmode to mode with different size in FP regs.
1853 2012-02-12 Robert Millan <rmh@gnu.org>
1854 Gerald Pfeifer <gerald@pfeifer.com>
1856 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1859 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
1861 PR rtl-optimization/52175
1862 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1863 to frame-related instructions.
1865 2012-02-10 Jason Merrill <jason@redhat.com>
1868 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1869 (demangle_new_symbols): Fill it.
1870 (scan_linker_output): Walk it.
1871 (start_tweaking): Split out from scan_linker_output.
1872 (maybe_tweak): Update sym->chosen.
1873 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1875 2012-02-11 Jakub Jelinek <jakub@redhat.com>
1878 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1880 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
1882 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1883 having the same mode as previous compare.
1885 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
1887 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1888 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1889 (nonlocal_goto_internal): Likewise.
1890 (nonlocal_goto): Emit a use and an indirect jump directly.
1892 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
1895 * doc/extend.texi : Update comments for __atomic_compare_exchange and
1896 __atomic_{is,always}_lock_free.
1898 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
1901 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1902 negative constant address for TARGET_X32.
1904 2012-02-10 Richard Henderson <rth@redhat.com>
1906 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1907 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1908 for GIMPLE_TRANSACTION. Tidy if's into a switch.
1910 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1911 Ira Rosen <irar@il.ibm.com>
1913 PR tree-optimization/50031
1914 * targhooks.c (default_builtin_vectorization_cost): Handle
1916 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1917 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1918 all types of reduction and pattern statements.
1919 (vect_estimate_min_profitable_iters): Likewise.
1920 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1921 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1922 for explicit realigns.
1923 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1924 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1926 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1927 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1928 vec_perm for VSX and handle vec_promote_demote.
1930 2012-02-10 Jakub Jelinek <jakub@redhat.com>
1933 * builtins.c (fold_builtin_atomic_always_lock_free,
1934 expand_builtin_atomic_always_lock_free,
1935 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1936 Return and/or test boolean_true_node/boolean_false_node instead of
1937 integer_one_node/integer_zero_node.
1939 2012-02-10 Jan Hubicka <jh@suse.cz>
1942 * predict.c (predict_paths_for_bb): Prevent looping.
1943 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1945 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
1947 * config/arm/arm.c (output_move_double): In one case properly
1948 count number of instructions that will be emitted.
1950 2012-02-10 Richard Guenther <rguenther@suse.de>
1952 PR translation/52193
1953 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1955 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
1958 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1960 2012-02-09 Jakub Jelinek <jakub@redhat.com>
1963 * var-tracking.c (emit_note_insn_var_location): If
1964 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1965 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1966 non-NOTE_DURING_CALL_P insn.
1968 2012-02-09 Bin Cheng <bin.cheng@arm.com>
1971 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1973 2012-02-08 Magnus Granberg <zorry@gentoo.org>
1976 * gcc.c (switch_matches) Support switches with separated form,
1979 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
1981 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1983 (RAMPZ_ADDR): Ditto.
1984 * config/avr/avr.c (avr_addr_t): New typedef.
1985 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1986 (avr_init_expanders): Initialize it.
1987 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1989 (expand_epilogue): Ditto.
1990 (avr_print_operand): Ditto.
1991 (avr_file_start): Ditto.
1992 (avr_emit_movmemhi): Ditto.
1994 2012-02-08 Richard Guenther <rguenther@suse.de>
1996 PR tree-optimization/46886
1997 * tree-flow.h (do_while_loop_p): Declare.
1998 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1999 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2001 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
2003 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2004 always succeed for integers larger than a native word.
2006 2012-02-08 Richard Guenther <rguenther@suse.de>
2008 PR rtl-optimization/52170
2009 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2010 properly handle integer vector modes.
2012 2012-02-08 Jakub Jelinek <jakub@redhat.com>
2014 PR gcov-profile/52150
2015 * coverage.c: Include target.h.
2016 (build_var): Call targetm.strip_name_encoding on the assembler name.
2017 Change one _ into . or $ if the target allows it.
2018 * Makefile.in (coverage.o): Depend on $(TARGET_H).
2020 PR rtl-optimization/52139
2021 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2022 is a BARRIER after emit_insn_after_noloc, move BB_END
2023 to the last non-BARRIER insn before it.
2025 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
2028 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2029 (mips_gimplify_va_arg_expr): Call it instead of
2030 std_gimplify_va_arg_expr.
2032 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
2034 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2035 message for -mno-pointers-to-nested-function.
2037 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
2040 * expr.c (get_inner_reference): If there is an offset, add a negative
2041 bit position to it (if any).
2043 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2045 PR rtl-optimization/52060
2046 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2047 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2048 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2049 and/or i0src_copy2 when needed.
2051 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2053 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2054 or LTOPLUGINSONAME if have_c.
2056 * config/freebsd-spec.h: Add comment about what macros can be defined
2058 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2059 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2062 2012-02-07 Richard Guenther <rguenther@suse.de>
2064 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2065 newline in -alias dumps.
2067 2012-02-07 Kai Tietz <ktietz@redhat.com>
2068 Dave Korn <dave.korn.cygwin@gmail.com>
2071 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2072 Take care that typinfo gets dllexport-attribute.
2074 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2077 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2078 if modifier < EXPAND_SUM call force_operand on the result.
2080 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
2082 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2083 adding __forwarder_dst__ prefix if a forwarder_section attribute is
2085 (epiphany_function_type): Replace types for specific interrupts with
2086 EPIPHANY_FUNCTION_INTERRUPT.
2087 (EPIPHANY_INTERRUPT_P): Update.
2088 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2089 New static function.
2090 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2091 <disinterrupt>: Affects type identity.
2092 (epiphany_handle_interrupt_attribute): Handle variable number of
2094 (epiphany_compute_function_type): Update for new
2095 epiphany_function_type definition.
2096 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2097 handlers with a longcall forwarder.
2098 (epiphany_start_function): Handle multiple interrupt arguments and/or
2099 forwarder_section attribute.
2101 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2104 2012-02-07 Alan Modra <amodra@gmail.com>
2107 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2110 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2112 PR tree-optimization/50969
2113 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2114 use vec_perm rather than vector_stmt.
2115 (vect_model_load_cost): Likewise.
2116 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2117 vec_perm to be the same as other vector statements.
2118 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2119 cost of vec_perm for TARGET_VSX.
2121 2012-02-06 Richard Guenther <rguenther@suse.de>
2123 PR tree-optimization/52115
2124 * tree-sra.c (access_has_replacements_p): New function.
2125 (sra_modify_assign): Use it to decide whether a use is uninitialized.
2127 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
2130 * trans-mem.c (expand_call_tm): Add an assertion.
2131 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2134 2012-02-06 Richard Guenther <rguenther@suse.de>
2136 PR tree-optimization/50955
2137 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2138 raise cost of expressions that replace an address with an
2139 expression based on a different pointer.
2141 2012-02-06 Jakub Jelinek <jakub@redhat.com>
2144 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2145 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2147 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
2150 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2151 -Weffc++ and specify guidelines come from second edition.
2153 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2155 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2156 (sibcall_value_multiple_internal, call_split, call_internal_direct)
2157 (call_direct_split, call_value_split, call_value_internal_direct)
2158 (call_value_direct_split, call_value_multiple_split): Use jal and
2159 jal_macro attributes.
2161 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2163 * reload1.c (reload_regs_reach_end_p): Replace with...
2164 (reload_reg_rtx_reaches_end_p): ...this function.
2165 (new_spill_reg_store): Update commentary.
2166 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2167 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2168 before setting new_spill_reg_store.
2169 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2170 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2171 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2172 for non-spill reload registers.
2174 2012-02-05 Ira Rosen <irar@il.ibm.com>
2176 PR tree-optimization/52091
2177 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2178 (vect_is_simple_use_1): Likewise.
2179 * tree-vect-loop.c (vectorizable_reduction): Update calls
2180 to vect_is_simple_use_1 and vect_is_simple_use.
2181 (vectorizable_live_operation): Likewise.
2182 * tree-vect-patterns.c (widened_name_p,
2183 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2184 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2185 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2186 vectorizable_shift,vectorizable_operation, vectorizable_store,
2187 vectorizable_load): Likewise.
2188 (vect_is_simple_cond): Add an argument, pass it to
2189 vect_is_simple_use_1.
2190 (vectorizable_condition): Update calls to vect_is_simple_cond,
2192 (vect_is_simple_use): Add an argument, the statement in which
2193 OPERAND is used. Check that if OPERAND's def stmt is a double
2194 reduction phi node, the use is a phi node too.
2195 (vect_is_simple_use_1): Add an argument, pass it to
2197 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2198 to vect_is_simple_use.
2200 2012-02-04 Jakub Jelinek <jakub@redhat.com>
2202 PR rtl-optimization/52095
2203 * modulo-sched.c (dump_insn_locator): New function.
2204 (loop_canon_p, sms_schedule): Use it.
2206 PR rtl-optimization/52113
2207 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2208 even for decomposable shift/zext insns.
2210 2012-02-03 Jakub Jelinek <jakub@redhat.com>
2211 Zdenek Dvorak <ook@ucw.cz>
2213 PR rtl-optimization/52092
2214 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2215 on get_iv_value result.
2217 2012-02-02 Andrew Pinski <apinski@cavium.com>
2221 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2223 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2226 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2228 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
2230 PR rtl-optimization/49800
2231 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2232 (sched_finish): Call regstat_free_n_sets_and_refs.
2234 2012-02-02 Jia Liu <proljc@gmail.com>
2236 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2239 2012-02-02 Jan Hubicka <jh@suse.cz>
2240 Tom de Vries <tom@codesourcery.com>
2243 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2244 * varpool.c (varpool_analyze_pending_decls): Likewise.
2246 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2247 Jayant R Sonar <jayant.sonar@kpitcummins.com>
2249 * config.gcc: Add cr16-* support.
2251 * doc/extend.texi: Document cr16 extensions.
2252 * doc/install.texi: Document cr16 install.
2253 * doc/invoke.texi: Document cr16 options.
2254 * doc/md.texi: Document cr16 constraints.
2256 * common/config/cr16/cr16-common.c: New file.
2257 * config/cr16/cr16.c: New file.
2258 * config/cr16/cr16.h: New file.
2259 * config/cr16/cr16.md: New file.
2260 * config/cr16/cr16.opt: New file.
2261 * config/cr16/cr16-protos.h: New file.
2262 * config/cr16/predicates.md: New file.
2263 * config/cr16/constraints.md: New file.
2264 * config/cr16/t-cr16: New file.
2266 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2269 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2270 that operands[2] is either immediate, or q_regs_operand.
2272 PR tree-optimization/52073
2273 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2274 a pattern stmt for pattern uses, ignore uses outside of the loop.
2276 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2278 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2279 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2280 (OUT_AS1, OUT_AS2): Remove.
2282 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2284 PR rtl-optimization/51374
2285 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2286 to cross other volatile_refs_p insns.
2288 2012-02-01 Richard Guenther <rguenther@suse.de>
2290 * doc/invoke.texi (fno-inline): Clarify documentation.
2291 (finline-small-functions): Likewise.
2292 (finline-functions): Likewise.
2293 * common.opt (finline): Adjust comment and documentation.
2294 (finline-small-functions): Clarify documentation.
2295 (finline-functions): Likewise.
2296 (finline-functions-called-once): Likewise.
2298 2012-02-01 Tristan Gingold <gingold@adacore.com>
2300 * c-typeck.c (composite_type): Keep mode for pointers.
2302 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
2304 * function.h (regno_reg_rtx): Adjust comment.
2305 * reginfo.c (init_reg_modes_target): Only use the previous mode
2306 if it fits within one register. Remove MIPS comment.
2308 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2311 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2313 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2315 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2316 to srak instruction.
2318 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2320 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2322 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2327 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2329 2012-01-31 Richard Guenther <rguenther@suse.de>
2331 PR tree-optimization/51528
2332 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2335 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2340 * ree.c (add_removable_extension): Change def_map argument
2341 to unsigned *, store in def_map 1 + offset into *insn_list vector
2342 instead of pointers into the vector.
2343 (find_removable_extensions): Adjust caller.
2345 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2347 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2348 Transform all "* quoted-c-code" to { c-code }.
2349 Remove redundant test for "optimize" in combine patterns.
2350 Move (include "avr-dimode.md") to end of file.
2352 2012-01-30 Bin Cheng <bin.cheng@arm.com>
2355 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2356 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2358 2012-01-30 Richard Guenther <rguenther@suse.de>
2360 PR tree-optimization/52028
2361 * tree-loop-distribution.c (ldist_gen): Properly update
2364 2012-01-30 Jakub Jelinek <jakub@redhat.com>
2367 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2368 set_cur_line_info_table if not emitting debug info.
2370 PR tree-optimization/52046
2371 * tree-vect-patterns.c (check_bool_pattern): Give up if
2372 a comparison could throw.
2375 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2377 2012-01-30 Richard Guenther <rguenther@suse.de>
2379 PR tree-optimization/52045
2380 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2381 SSA form if cfgcleanup did anything.
2383 2012-01-30 Richard Guenther <rguenther@suse.de>
2385 PR tree-optimization/52045
2386 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2387 before computing final todo.
2389 2012-01-30 Richard Guenther <rguenther@suse.de>
2391 PR tree-optimization/51528
2392 * tree-sra.c (sra_modify_assign): Re-factor in preparation
2395 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
2397 * df-problems.c (df_kill_notes): Check that the use refers
2398 to the note under examination.
2400 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
2403 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2404 parameter and use short-lived pseudos.
2405 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2406 (sparc_expand_vector_init): Const-ify local variables and adjust
2407 calls to above functions.
2409 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2411 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2413 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
2415 * doc/invoke.texi: Make usage of "compile time" and
2416 "run time"/"runtime" consistent throughout the file.
2418 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
2420 * config/alpha/alpha.c (alpha_option_override): Default to
2421 full IEEE compliance mode for Go language.
2423 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
2425 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2426 (LINK_SSP_SPEC): Define.
2428 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2431 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2434 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
2436 * doc/invoke.texi: Correct hyphenation of "floating point",
2437 "double precision", and related terminology throughout the file.
2439 2012-01-28 Jakub Jelinek <jakub@redhat.com>
2442 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2443 arm_general_register_operand predicate for operand 2 instead of
2446 2012-01-27 Ian Lance Taylor <iant@google.com>
2449 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2450 * builtins.c (expand_builtin_init_trampoline): Add onstack
2451 parameter. Change caller.
2452 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2453 * tree.c (build_common_builtin_nodes): Declare
2454 __builtin_init_heap_trampoline.
2456 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
2458 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2459 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2460 * config/avr/avr.c: Ditto.
2461 (avr_regnames): Remove because unused.
2462 * config/avr/avr.md (*cpse.ne): New peephole.
2463 (*cpse.eq): New peephole from former cpse peepholes.
2465 2012-01-27 Michael Eager <eager@eagercon.com>
2467 * config/microblaze.c (microblaze_emit_compare): Correct
2468 test after pcmp instruction.
2470 2012-01-27 Richard Guenther <rguenther@suse.de>
2472 PR tree-optimization/52020
2473 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2475 2012-01-27 Richard Guenther <rguenther@suse.de>
2477 * ipa-pure-const.c (check_stmt): Clobbers do not make a
2478 function non-const/pure.
2480 2012-01-27 Richard Guenther <rguenther@suse.de>
2482 PR tree-optimization/50444
2483 * tree-sra.c (build_ref_for_offset): Properly adjust the
2484 MEM_REF type for unaligned accesses.
2486 2012-01-27 Richard Guenther <rguenther@suse.de>
2488 PR tree-optimization/50444
2489 * expr.c (mem_ref_refers_to_non_mem_p): New function.
2490 (expand_assignment): Use it. Properly handle misaligned
2491 bases when expanding stores to component references.
2492 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2495 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
2498 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2499 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2500 * tree-data-ref.c (find_data_references_in_loop): Make static.
2501 (compute_all_dependences): Change return type to bool. Bail out
2502 for too many datarefs in a loop. Move the hunk resetting the data
2503 dependences vector from ...
2504 (compute_data_dependences_for_loop): ... here. Account for
2505 compute_all_dependences returning false.
2506 (compute_data_dependences_for_bb): Likewise.
2507 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2508 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2510 2012-01-27 Richard Guenther <rguenther@suse.de>
2513 * expr.c (store_field): Use the alias-set of the scratch memory
2516 2012-01-27 Tom de Vries <tom@codesourcery.com>
2518 PR tree-optimization/51990
2519 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2521 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2523 2012-01-27 Jakub Jelinek <jakub@redhat.com>
2526 * var-tracking.c (reverse_op): Don't add any reverse operation
2527 if V already has any constant locations.
2529 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2531 * doc/invoke.texi: Correct usage of "command line" (noun)
2532 vs "command-line" (adjective) throughout.
2534 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2536 * doc/invoke.texi (Language Independent Options): Move
2537 -Wcoverage-mismatch blurb from here....
2538 (Warning Options): ...to here.
2540 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
2542 * config/rs6000/rs6000.c (rs6000_option_override_internal):
2543 Set rs6000_always_hint to false for 476.
2545 2012-01-27 Matthias Klose <doko@ubuntu.com>
2547 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2549 * incpath.c (add_standard_paths): Likewise.
2551 2012-01-27 Richard Henderson <rth@redhat.com>
2553 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2554 * config/m68k/sync.md (atomic_test_and_set): Rename from
2555 sync_test_and_setqi and adjust the operands.
2556 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2557 and unconditionally enable.
2559 2012-01-27 Richard Henderson <rth@redhat.com>
2561 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2562 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2563 (ldstub): Rename from ldstubqi.
2564 (ldstub<I24MODE>): Remove.
2566 2012-01-27 Richard Henderson <rth@redhat.com>
2568 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2569 * c-cppbuiltin.c (cpp_atomic_builtins): Define
2570 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2571 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2572 * doc/tm.texi: Rebuild.
2574 2012-01-27 Richard Henderson <rth@redhat.com>
2576 * optabs.c (gen_atomic_test_and_set): Remove default.
2577 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2579 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2581 PR rtl-optimization/51978
2582 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2583 (combine_reaching_defs): Likewise.
2584 (struct re_info): Remove.
2585 (add_removable_extension): Remove x and data arguments,
2586 add insn, insn_list and def_map. Use the arguments directly
2587 instead of using struct re_info.
2588 (find_removable_extensions): Don't call add_removable_extension
2589 through note_stores, instead just call it with single_set
2591 (find_and_remove_re): Pass curr_cand->expr instead of
2592 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2594 2012-01-26 Michael Matz <matz@suse.de>
2596 PR tree-optimization/46590
2597 * cfgexpand.c: Revert last change (r183305).
2598 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2600 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2601 checking for emptiness.
2603 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2606 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2607 non-addressable non-BLKmode base correctly.
2609 2012-01-26 Michael Matz <matz@suse.de>
2611 PR tree-optimization/48794
2612 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2613 regions referenced from RESX/EH_DISPATCH.
2615 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2617 * config/s390/s390.h: Make BRANCH_COST an option.
2618 * config/s390/s390.opt: New option -mbranch-cost.
2620 2012-01-26 Richard Henderson <rth@redhat.com>
2622 Revert 2012-01-24 change:
2623 * trans-mem.c (requires_barrier): Do not instrument thread local
2624 variables and emit save/restore for them.
2626 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2629 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2632 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
2634 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2637 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
2640 Rename __pgm to __flash.
2641 Rename __pgm1 to __flash1.
2642 Rename __pgm2 to __flash2.
2643 Rename __pgm3 to __flash3.
2644 Rename __pgm4 to __flash4.
2645 Rename __pgm5 to __flash5.
2646 Rename __pgmx to __memx.
2647 * doc/extend.texi (AVR Named Address Spaces)
2648 Rename address space names as indicated above.
2649 * config/avr/avr.c (avr_addrspace): Ditto.
2651 * config/avr/avr-protos.h
2652 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2653 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2654 * config/avr/predicates.md: Ditto.
2655 * config/avr/avr.c Ditto, and
2656 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2657 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2659 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2660 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2661 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2662 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2663 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2664 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2665 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2666 * config/avr/avr.c: Ditto.
2667 * config/avr/avr.md: Ditto.
2669 2012-01-25 Jason Merrill <jason@redhat.com>
2672 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2674 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2676 PR tree-optimization/51987
2677 * tree-data-ref.c (get_references_in_stmt): Handle references in
2678 non-volatile GIMPLE_ASM.
2680 2012-01-25 Richard Guenther <rguenther@suse.de>
2682 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2683 bases are dereferenced.
2685 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2687 PR rtl-optimization/48374
2688 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2690 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2692 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2693 compute_data_dependences_for_loop returns false.
2694 * tree-parloops.c (loop_parallel_p): Likewise.
2696 2012-01-25 Richard Guenther <rguenther@suse.de>
2698 * tree.h (get_pointer_alignment_1): Declare.
2699 * builtins.c (get_pointer_alignment_1): New function.
2700 (get_pointer_alignment): Use it.
2702 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2704 PR rtl-optimization/48308
2705 * combine.c (enum undo_kind): Add UNDO_LINKS.
2706 (struct undo): Add member l to other_contents and where.
2707 (do_SUBST_LINK): New.
2709 (try_combine): Handle LOG_LINKS for the dummy i1 case.
2710 (undo_all): Handle UNDO_LINKS.
2712 2012-01-25 Richard Henderson <rth@redhat.com>
2714 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2717 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2719 * optabs.c (gen_atomic_test_and_set): Use each argument.
2721 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2723 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2724 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2725 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2726 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2727 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2728 TARGET_PAIRED_SINGLE_FLOAT.
2730 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2732 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2733 (in_struct, return_val): Remove MEM documentation.
2734 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2735 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2736 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2738 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2739 * cfgexpand.c (add_alias_set_conflicts): Likewise.
2740 * expr.c (store_field): Likewise.
2741 * function.c (assign_stack_temp_for_type): Likewise.
2742 * ifcvt.c (noce_try_cmove_arith): Likewise.
2743 * reload1.c (reload): Likewise.
2744 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2745 (alpha_set_memflags): Likewise.
2746 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2748 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2750 * rtl.h (true_dependence, canon_true_dependence): Remove varies
2752 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2753 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2754 (true_dependence_1, true_dependence, canon_true_dependence): Remove
2756 * cselib.c (cselib_rtx_varies_p): Delete.
2757 (cselib_invalidate_mem): Update call to canon_true_dependence.
2758 * dse.c (record_store, check_mem_read_rtx): Likewise.
2759 (scan_reads_nospill): Likewise.
2760 * cse.c (check_dependence): Likewise.
2761 (cse_rtx_varies_p): Delete.
2762 * expr.c (safe_from_p): Update call to true_dependence.
2763 * ira.c (validate_equiv_mem_from_store): Likewise.
2764 (memref_referenced_p): Likewise.
2765 * postreload-gcse.c (find_mem_conflicts): Likewise.
2766 * sched-deps.c (sched_analyze_2): Likewise.
2767 * store-motion.c (load_kills_store): Likewise.
2768 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2769 * gcse.c (mems_conflict_for_gcse_p): Likewise.
2770 (compute_transp): Update call to canon_true_dependence.
2772 2012-01-25 Richard Henderson <rth@redhat.com>
2774 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2775 (maybe_emit_atomic_test_and_set): New.
2776 (expand_sync_lock_test_and_set): Use it.
2777 (expand_atomic_test_and_set): Likewise.
2778 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2779 the implementation; clarify implementation defined details.
2780 * doc/md.texi (atomic_test_and_set): Document.
2782 2012-01-25 Richard Henderson <rth@redhat.com>
2784 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2786 2012-01-25 Richard Henderson <rth@redhat.com>
2789 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2790 to effect no-op split.
2792 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2795 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2796 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2797 (BT_FN_VOID_PTR_INT_SIZE): New.
2798 (BT_FN_UINT_UINT_VAR): Remove.
2799 (BT_FN_UINT32_UINT32_VAR): New.
2800 (BT_FN_DOUBLE_VPTR): Remove.
2801 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2803 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2804 (_ITM_changeTransactionMode): Same.
2805 (_ITM_memmoveRtWt): Change return type to void.
2806 (_ITM_memcpyRtWt): Same.
2807 (_ITM_memsetW): Same.
2808 (_ITM_RaRD): Change types to double.
2813 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2815 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2816 Patrick Marlier <patrick.marlier@gmail.com>
2818 * trans-mem.c (requires_barrier): Do not instrument thread local
2819 variables and emit save/restore for them.
2821 2012-01-24 Jason Merrill <jason@redhat.com>
2824 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2825 output static aliases.
2827 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2830 * common.opt (-pie, -shared, pie, shared): Change from Common to
2832 * gcc.c (display_help): Display help for -pie and -shared.
2834 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
2837 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2838 Remove note on size/offset limitation.
2839 (AVR Variable Attributes): Add example how to read data located
2840 with progmem. Refer to named address spaces.
2841 * doc/invoke.texi (AVR Options): Fix typo.
2843 2012-01-24 Richard Guenther <rguenther@suse.de>
2845 Forward-port to trunk
2846 2010-09-21 Jakub Jelinek <jakub@redhat.com>
2849 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2850 op0 isn't sufficiently aligned and there is movmisalignM
2851 insn for mode, use it to load op0 into a temporary register.
2853 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2856 * target.def (const_not_ok_for_debug_p): New hook.
2857 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2859 * doc/tm.texi: Regenerated.
2860 * dwarf2out.c (const_ok_for_output_1): If
2861 targetm.const_not_ok_for_debug_p returns true, fail.
2862 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2864 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2866 2012-01-23 Kai Tietz <ktietz@redhat.com>
2869 * config/i386/predicates.md (symbolic_operand): Allow
2870 UNSPEC_PCREL as PIC expression for lea.
2871 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2872 * config/i386/i386.c (ix86_delegitimize_address): Handle
2873 UNSPEC_PCREL for none-MEM, too.
2875 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2877 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2878 (ipa_tm_create_version_alias): Same.
2880 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
2883 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2884 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2886 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2887 Patrick Marlier <patrick.marlier@gmail.com>
2888 Iain Sandoe <developer@sandoe-acoustics.co.uk>
2891 * lto-wrapper.c (run_gcc): Pass the LTO section name to
2892 simple_object_start_read.
2894 2012-01-23 Richard Guenther <rguenther@suse.de>
2897 PR tree-optimization/51895
2898 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2899 parameter decomposition into BLKmode components.
2901 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
2903 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2904 fake variables for restrict-qualified pointers whose pointed-to type
2905 contains a placeholder.
2907 2012-01-23 Richard Guenther <rguenther@suse.de>
2909 PR tree-optimization/51949
2910 * ipa-split.c (execute_split_functions): Do not split malloc functions.
2912 2012-01-23 Jakub Jelinek <jakub@redhat.com>
2914 PR rtl-optimization/51933
2915 * ree.c (transform_ifelse): Return true right away if dstreg is
2916 already wider or equal to cand->mode.
2917 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2918 (make_defs_and_copies_lists): Remove defs_list and copies_list
2919 arguments, add state argument, just truncate state->work_list
2920 instead of always allocating and freeing the vector. Assert that
2921 get_defs succeeds instead of returning 2. Changed return type to bool.
2922 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
2923 have ext_src_mode, see if it has been modified already with the
2924 right kind of extension and has been extended before from the
2925 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
2926 just return true. Remember the original mode in state->modified array.
2927 (combine_reaching_defs): Add state argument. Don't allocate and
2928 free here def_list, copied_list and vec vectors, instead just
2929 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
2930 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2931 Add state variable, clear vectors in it, initialize state.modified
2932 if needed. Free all the vectors at the end and state.modified too.
2933 Don't skip a candidate if the extension expression has been modified.
2935 2012-01-22 Douglas B Rupp <rupp@gnat.com>
2938 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2939 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2940 (extra_options) interix.opt -> i386/interix.opt"
2941 (extra_objs):Add winnt-stubs.o
2942 * configure.ac: Add interix to target_os .comm on PE check.
2943 * configure: Regenerate.
2944 * config/interix3.h: Delete and move bits to..
2945 * config/interix.h: Delete and move bits to..
2946 * config/i386/i386-interix3.h: Delete and move bits to..
2947 * config/i386/i386-interix.h: ..here.
2948 (TARGET_CPU_DEFAULT): Remove redefinition.
2949 (TARGET_ASM_CONSTRUCTOR): Undefine.
2950 (SUBTARGET_SWITCHES): Define for ms-bitfields.
2951 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2952 (PTRDIFF_TYPE): Define.
2953 (LONG_DOUBLE_TYPE_SIZE): Define.
2954 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2955 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2956 (TARGET_SECTION_TYPE_FLAGS): Define.
2957 (ASM_DECLARE_FUNCTION_NAME): Define.
2958 (ASM_OUTPUT_EXTERNAL): Define.
2959 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2960 (ASM_OUTPUT_ALIGNED_BSS): Define.
2961 (PCC_BITFIELD_TYPE_MATTERS): Define.
2962 (USE_CONST_SECTION): Define.
2963 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2964 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2965 (SUPPORTS_ONE_ONLY): Remove.
2966 (I386_PE_STRIP_ENCODING): Define.
2967 * config/interix.opt: Delete and move bits to..
2968 * config/i386/interix.opt: ..here. New.
2969 (mpe-aligned-commons): Add.
2970 * config/i386/t-interix: Add copyright header.
2971 (winnt-stubs.o): Add rule.
2973 2012-01-22 Jason Merrill <jason@redhat.com>
2976 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2977 for extra name aliases.
2979 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
2981 PR rtl-optimization/51924
2982 * ree.c (combine_set_extension): Improve debugging message.
2983 (combine_reaching_defs): Likewise.
2984 (get_defs): Rename confusingly named variable.
2985 (find_and_remove_re): Skip a candidate if the extension expression has
2988 2012-01-21 Robert Millan <rmh@gnu.org>
2989 Gerald Pfeifer <gerald@pfeifer.com>
2991 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2992 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2994 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2996 PR tree-optimization/51914
2997 * tree-vect-stmts.c (vectorizable_conversion): For
2998 cvt_type && modifier == WIDEN, put temporary with cvt_type
2999 at the beginning of vec_dsts and set vec_dest to temporary
3002 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
3004 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
3006 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
3008 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
3009 * config/rs6000/rs6000.c: Likewise.
3011 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3014 * config/arm/arm.c (arm_count_output_move_double_insns): Call
3015 output_move_double on a copy of operands array.
3017 2012-01-20 Cary Coutant <ccoutant@google.com>
3018 Dodji Seketeli <dodji@redhat.com>
3021 * dwarf2out.c (copy_declaration_context): Return ref to parent
3022 of declaration DIE, if necessary.
3023 (remove_child_or_replace_with_skeleton): Add new parameter; update
3024 caller. Place skeleton DIE under parent DIE of original declaration.
3025 Move call to copy_declaration_context to here ...
3026 (break_out_comdat_types): ... from here.
3028 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3030 PR rtl-optimization/51856
3031 * reload.c (find_reloads_subreg_address): Set the address_reloaded
3034 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3037 * config/arm/arm.c (arm_print_operand): Correct output of alignment
3038 hints for neon loads and stores.
3040 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
3044 * doc/extend.texi (Named Address Spaces): Split into subsections.
3045 (AVR Named Address Spaces): New subsection.
3046 (M32C Named Address Spaces): New subsection.
3047 (RL78 Named Address Spaces): New subsection.
3048 (SPU Named Address Spaces): New subsection.
3049 (Variable Attributes): New anchor "AVR Variable Attributes".
3050 (AVR Variable Attributes): Rewrite and avoid wording
3051 "address space" in this context.
3052 * doc/invoke.texi (AVR Options): Rewrite and add documentation
3053 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
3054 (AVR Built-in Macros): New subsubsection therein.
3055 * doc/md.texi (AVR constraints): Remove "C04", "R".
3057 2012-01-20 Richard Guenther <rguenther@suse.de>
3059 PR tree-optimization/51903
3060 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
3061 when removing stmts.
3063 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3066 * config/arm/arm.c (arm_load_pic_register): Use
3067 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
3068 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
3069 (arm_pic_static_addr): Likewise.
3070 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
3071 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
3072 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
3073 (pic_load_addr_unified): New.
3075 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
3078 * function.c (instantiate_virtual_regs_in_insn): Use
3079 delete_insn_and_edges when removing a wrong asm insn.
3081 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
3083 PR rtl-optimization/40761
3084 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
3085 Add new member loop_num.
3086 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
3087 (ira_build): Remove the parameter.
3089 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
3090 (ira.c): Do not build CFG loops for one region allocation. Remove
3091 argument from ira_build call.
3093 * ira-build.c (init_loop_tree_node): New function.
3094 (create_loop_tree_nodes): Use it. Separate the case when CFG
3095 loops are not built.
3096 (more_one_region_p): Check current_loops.
3097 (finish_loop_tree_nodes): Separate the case when CFG loops are not
3099 (add_loop_to_tree): Process loop equal to NULL too.
3100 (form_loop_tree): Separate the case when CFG loops are not built.
3101 Use explicitly number for the root.
3102 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
3104 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
3105 instead of loop->num.
3106 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
3107 (mark_all_loops_for_removal): Ditto.
3108 (remove_unnecessary_regions): Separate the case when CFG loops
3110 (ira_build): Remove the parameter. Use explicit number of regions
3111 when CFG loops are not built.
3113 * ira-color.c (print_loop_title): Separate the case for the root node.
3114 Use loop_num instead of loop->num.
3115 (move_spill_restore): Use loop_num instead of loop->num.
3117 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
3118 (change_loop): Ditto.
3119 (change_loop): Use loop_num instead of loop->num.
3121 * ira-lives.c (process_bb_node_lives): Ditto.
3123 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
3125 * ira-conflicts.c (print_allocno_conflicts): Ditto.
3127 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3130 * tree-mudflap.c (mf_artificial): New function.
3131 (execute_mudflap_function_ops, execute_mudflap_function_decls,
3132 mx_register_decls, mudflap_enqueue_decl): Use it.
3135 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
3136 numbers in the insn pattern.
3138 2012-01-19 Michael Matz <matz@suse.de>
3140 PR tree-optimization/46590
3141 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
3142 use it in remembering which conflicts we already created.
3143 (add_scope_conflicts): Adjust call to above, (de)allocate helper
3146 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
3149 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
3150 (merge_and_complain): Same.
3152 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3155 * config/initfini-array.h: Guard content of the header
3156 with #ifdef HAVE_INITFINI_ARRAY.
3157 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
3158 Add initfini-array.h to tm_file here.
3159 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
3160 * config.gcc: Don't add initfini-array.h to tm_file here.
3161 * configure: Regenerated.
3163 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
3165 PR rtl-optimization/51505
3166 * df-problems.c (df_kill_notes): New parameter live. Update comment.
3167 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3168 (df_note_bb_compute): Update the call to df_kill_notes.
3170 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
3172 * trans-mem.c (requires_barrier): Remove call to is_global_var.
3174 2012-01-18 Richard Guenther <rguenther@suse.de>
3176 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3177 of conversions to void *.
3179 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3180 Richard Sandiford <rdsandiford@googlemail.com>
3184 * optabs.h (simplify_expand_binop): Declare.
3185 * optabs.c (simplify_expand_binop): Make global.
3186 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3187 endian targets if the source cannot be exactly covered by word
3190 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3193 * hard-reg-set.h (struct hard_reg_set_container): New type.
3194 * target.h (struct hard_reg_set_container): Forward declare.
3195 * target.def (set_up_by_prologue): New target hook.
3196 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3197 * doc/tm.texi: Regenerated.
3198 * function.c (thread_prologue_and_epilogue_insns): Change
3199 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3200 Call targetm.set_up_by_prologue on it.
3201 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3202 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3204 2012-01-17 Nick Clifton <nickc@redhat.com>
3206 * config/rx/rx.c (rx_can_use_simple_return): New function.
3207 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3208 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3210 2012-01-17 Richard Guenther <rguenther@suse.de>
3213 * expr.c (expand_assignment): Take address-space information
3214 from the address operand of MEM_REF and TARGET_MEM_REF.
3215 (expand_expr_real_1): Likewise.
3217 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3219 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3220 reload dump is requested.
3222 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
3225 * trans-mem.c (requires_barrier): Call may_be_aliased.
3227 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3229 PR tree-optimization/51877
3230 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3231 call arguments and fndecls compare equal, instead return false if they
3232 don't. Return true only if lhs1 and lhs2 are either both NULL, or
3233 both SSA_NAMEs that are valueized the same, or they satisfy
3236 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3238 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3240 * configure: Regenerate.
3242 2012-01-16 Jan Hubicka <jh@suse.cz>
3246 * convert.c (convert_to_integer): Use fold_convert for
3247 converting an INTEGER_CST to integer type.
3249 2012-01-16 Jason Merrill <jason@redhat.com>
3252 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3254 2012-01-16 Jakub Jelinek <jakub@redhat.com>
3257 * config/s390/s390.c (s390_chunkify_start): Don't skip
3258 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
3259 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3260 If insn is followed by NOTE_INSN_VAR_LOCATION or
3261 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3262 Don't use location of note insns.
3264 PR tree-optimization/51865
3265 * tree-inline.c (tree_function_versioning): Call remap_decl
3266 on DECL_RESULT whenever it has VOID_TYPE_P type.
3268 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3270 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3271 for calls to locally-binding MIPS16 functions if only the return
3272 type uses float regs.
3274 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
3275 Richard Sandiford <rdsandiford@googlemail.com>
3277 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3278 (SYMBOL_32_HIGH): Likewise.
3279 (mips_output_tls_reloc_directive): Declare.
3280 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3281 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3282 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3283 (mips_lo_relocs, mips_hi_relocs): Make extern.
3284 (mips16_stub_function): Move up file.
3285 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3286 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
3287 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
3288 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3289 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
3290 (mips_get_tp): Add MIPS16 support.
3291 (mips_legitimize_tls_address): Remove MIPS16 sorry().
3292 Generalize DTPREL and TPREL handling.
3293 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3294 Add MIPS16 TLS support.
3295 (mips_output_tls_reloc_directive): New function.
3296 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3297 * config/mips/predicates.md (symbolic_operand_with_high)
3298 (tls_reloc_operand): New predicates.
3299 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3300 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3301 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3302 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
3303 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3304 (*tls_get_tp_mips16_call_<mode>): Likewise.
3306 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
3308 PR rtl-optimization/51821
3309 * recog.c (peep2_find_free_register): Determine clobbered registers
3312 2012-01-14 Denis Chertykov <chertykov@gmail.com>
3315 * config/avr/avr-protos.h: Revert change of 2012-01-09.
3316 * config/avr/avr.c: Likewise.
3317 * config/avr/avr.h: Likewise.
3319 2012-01-13 Ian Lance Taylor <iant@google.com>
3322 * tree.h (TYPE_QUALS): Add cast to int.
3323 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3325 2012-01-13 Ian Lance Taylor <iant@google.com>
3327 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3328 comparing param_index to VEC_length result.
3330 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
3332 * c-decl.c: Do not include tree-mudflap.h
3333 * tree-optimize.c: Likewise.
3334 * Makefile.in: Update dependencies.
3336 2012-01-13 Richard Guenther <rguenther@suse.de>
3339 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3340 variable-sized result always use RSO.
3342 2012-01-12 DJ Delorie <dj@redhat.com>
3344 * cfgexpand.c (convert_debug_memory_address): Allow any valid
3345 pointer type, not just the default pointer type.
3347 2012-01-09 Richard Henderson <rth@redhat.com>
3348 Denis Chertykov <chertykov@gmail.com>
3351 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3352 * config/avr/avr.c (avr_can_eliminate): Simplify.
3353 (avr_initial_elimination_offset): Likewise.
3354 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3355 (expand_epilogue): Likewise.
3356 (avr_legitimize_address): Gut.
3357 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3358 (avr_hard_regno_nregs): New.
3359 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3360 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3361 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3362 add soft frame pointer.
3363 (CALL_USED_REGISTERS): Likewise.
3364 (REG_CLASS_CONTENTS): Likewise.
3365 (REGISTER_NAMES): Likewise.
3366 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3367 (HARD_FRAME_POINTER_REGNUM): New.
3368 (FRAME_POINTER_REGNUM): Use soft frame pointer.
3369 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3370 remove the HARD_FRAME_POINTER self-elimination.
3372 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
3375 * config/avr/avr.c (avr_encode_section_info): Test for absence of
3376 DECL_EXTERNAL when checking for initializers of progmem variables.
3378 2012-01-12 Ira Rosen <irar@il.ibm.com>
3380 PR tree-optimization/51799
3381 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3382 that the last operation is a type demotion.
3384 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
3386 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3387 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3389 2012-01-11 Jakub Jelinek <jakub@redhat.com>
3392 * combine.c (distribute_notes): If i3 is a noreturn call,
3393 allow old_size to be equal to args_size and make sure the
3394 noreturn call gets REG_ARGS_SIZE note.
3395 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3396 on noreturn calls even when the delta is 0.
3398 2012-01-11 Nathan Sidwell <nathan@acm.org>
3400 * gcov.c (STRING_SIZE): Remove.
3401 (generate_results): Erase annotations for source files with no
3402 coverage information.
3404 (output_lines): Use it.
3406 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3408 * gimple.h (gimplify_body): Remove first argument.
3409 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
3410 pointer set here, instead just pass DATA to walk_tree.
3411 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
3412 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3413 (unvisit_body): Likewise, but with unmark_visited.
3414 (gimplify_body): Remove BODY_P argument and adjust.
3415 (gimplify_function_tree): Adjust call to gimplify_body.
3416 * omp-low.c (finalize_task_copyfn): Likewise.
3418 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3420 * tree.h (build_function_decl_skip_args): Add boolean parameter.
3421 (build_function_type_skip_args): Delete.
3422 * tree.c (build_function_type_skip_args): Make static and add
3423 SKIP_RETURN parameter. Fix thinko in the handling of variants.
3424 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3425 pass it to build_function_type_skip_args.
3426 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3427 (tree_function_versioning): Likewise.
3428 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3429 build_function_decl_skip_args.
3430 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3431 and pass it to build_function_decl_skip_args/tree_function_versioning.
3432 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3433 * ipa-inline-transform.c (save_inline_function_body): Likewise.
3434 * trans-mem.c (ipa_tm_create_version): Likewise.
3435 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3436 * tree-inline.c (declare_return_variable): Remove always-true test.
3437 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
3438 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3439 * ipa-split.c (split_function): Skip the return value for the split
3440 part if it doesn't return.
3442 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3444 PR tree-optimization/49642
3445 * ipa-split.c (forbidden_dominators): New variable.
3446 (check_forbidden_calls): New function.
3447 (dominated_by_forbidden): Likewise.
3448 (consider_split): Check for forbidden dominators.
3449 (execute_split_functions): Initialize and free forbidden
3450 dominators info; call check_forbidden_calls.
3452 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3454 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3456 2012-01-11 Nick Clifton <nickc@redhat.com>
3458 * config/rx/rx.md (return): Define pattern.
3460 2012-01-11 Richard Guenther <rguenther@suse.de>
3462 * doc/extend.texi (malloc attribute): Adjust according to
3465 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
3466 Patrick Marlier <patrick.marlier@gmail.com>
3469 * trans-mem.c (get_cg_data): Traverse aliases if requested.
3470 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3471 (ipa_tm_note_irrevocable): Same.
3472 (ipa_tm_scan_irr_block): Same.
3473 (ipa_tm_decrement_clone_counts): Same.
3474 (ipa_tm_scan_irr_function): Same.
3475 (ipa_tm_create_version_alias): Same.
3476 (ipa_tm_create_version): Same.
3477 (ipa_tm_transform_calls_redirect): Same.
3478 (ipa_tm_transform_calls): Same.
3479 (ipa_tm_transform_transaction): Same.
3480 (ipa_tm_execute): Same.
3482 2012-01-10 Richard Guenther <rguenther@suse.de>
3485 * opts.c (common_handle_option): Handle -Werror.
3487 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
3489 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3492 2012-01-10 Jason Merrill <jason@redhat.com>
3494 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3497 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3499 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3500 supports R_386_TLS_GD_PLT reloc.
3501 (gcc_cv_as_ix86_tlsldmplt): Check if linker
3502 supports R_386_TLS_LDM_PLT reloc.
3503 * configure: Regenerate.
3504 * config.in: Regenerate.
3506 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
3509 Extend __pgmx semantics to linearize memory.
3510 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3511 determine if code comes inline or from libgcc.
3512 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3513 (movmem_qi, movmem_qi): Set constraint #2 to "n".
3514 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3515 (movmemx_qi, movmemx_hi): New insns.
3516 (xload_<mode>_libgcc): Rewrite to new insn condition.
3517 (xload_<mode>): Remove insns.
3518 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3519 cases that don't satisfy avr_xload_libgcc_p().
3520 (avr_addr_space_convert): Allow converting in any direction.
3521 (avr_addr_space_subset_p): Return always true.
3522 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3523 (avr_emit_movmemhi): Ditto.
3524 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3525 (avr_out_movmem): Ditto.
3526 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3527 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3528 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3529 (avr_encode_section_info): Encode 'progmem' in symbol flags.
3530 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3532 2012-01-10 Richard Guenther <rguenther@suse.de>
3534 PR tree-optimization/50913
3535 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3536 Require data-refs to be representable by Graphite with respect
3539 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
3541 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3542 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3544 2012-01-10 Tom de Vries <tom@codesourcery.com>
3546 PR rtl-optimization/51271
3547 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3548 handling annulled branch.
3550 2012-01-10 Richard Henderson <rth@redhat.com>
3552 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3553 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3554 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3555 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3556 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3557 arm_expand_vec_perm_const): New.
3558 * config/arm/arm-protos.h: Update.
3559 * config/arm/neon.md (UNSPEC_VCONCAT): New.
3560 (*neon_vswp<VDQX>): New.
3561 (neon_vcombine<VDX>): Use neon_split_vcombine.
3562 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3563 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3564 (vec_perm<VE>): New.
3566 2012-01-10 Richard Henderson <rth@redhat.com>
3568 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3569 use it if reload_completed.
3570 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3571 arm_output_asm_insn, arm_process_output_memory_barrier,
3572 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3573 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3574 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3575 arm_process_output_sync_insn, arm_output_sync_insn,
3576 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3577 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3578 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3579 (emit_unlikely_jump): New.
3580 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3581 (arm_split_atomic_op): New.
3582 * config/arm/arm-protos.h: Update.
3583 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3584 (struct arm_sync_generator): Remove.
3585 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3586 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3587 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3588 (VUNSPEC_LL, VUNSPEC_SC): New.
3589 (sync_result, sync_memory, sync_required_value, sync_new_value,
3590 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3591 (attr length): Don't use arm_sync_loop_insns.
3592 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3593 (movsfcc, movdfcc): Likewise.
3594 * config/arm/constraints.md (Ua): New.
3595 * config/arm/prediates.md (mem_noofs_operand): New.
3596 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3597 (sync_clobber, sync_t2_reqd): Remove.
3598 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3599 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3600 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3601 (arm_sync_compare_and_swap<SIDI>): Remove.
3602 (arm_sync_compare_and_swap<NARROW>): Remove.
3603 (arm_sync_lock_test_and_set<SIDI>): Remove.
3604 (arm_sync_lock_test_and_set<NARROW>): Remove.
3605 (arm_sync_new_<syncop><SIDI>): Remove.
3606 (arm_sync_new_<syncop><NARROW>): Remove.
3607 (arm_sync_new_nand<SIDI>): Remove.
3608 (arm_sync_new_nand<NARROW>): Remove.
3609 (arm_sync_old_<syncop><SIDI>): Remove.
3610 (arm_sync_old_<syncop><NARROW>): Remove.
3611 (arm_sync_old_nand<SIDI>): Remove.
3612 (arm_sync_old_nand<NARROW>): Remove.
3613 (*memory_barrier): Merge arm_output_memory_barrier.
3614 (atomic_compare_and_swap<QHSD>): New.
3615 (atomic_compare_and_swap<NARROW>_1): New.
3616 (atomic_compare_and_swap<SIDI>_1): New.
3617 (atomic_exchange<QHSD>): New.
3618 (cas_cmp_operand, cas_cmp_str): New.
3619 (atomic_op_operand, atomic_op_str): New.
3620 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3621 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3622 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3623 (arm_load_exclusive<NARROW>): New.
3624 (arm_load_exclusivesi, arm_load_exclusivedi): New.
3625 (arm_store_exclusive<QHSD>): New.
3627 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
3629 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3630 reload patterns if -mvsx-scalar-memory.
3632 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3633 generated, even -mno-vsx-scalar-double was used.
3634 (vsx_xscvdpsp_scalar): Likewise.
3635 (vsx_xscvspdp_scalar2): Likewise.
3637 2012-01-09 Tom de Vries <tom@codesourcery.com>
3638 Andrew Pinski <apinski@cavium.com>
3641 * reorg.c (fill_slots_from_thread): Don't speculate
3642 frame-related insns.
3644 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
3646 * sched-int.h (bb_note): Move to...
3647 * basic-block.h: ...here.
3648 * haifa-sched.c (bb_note): Move to...
3649 * cfgrtl.c: ...here.
3650 * function.c (next_block_for_reg): New function.
3651 (move_insn_for_shrink_wrap): Likewise.
3652 (prepare_shrink_wrap): Rewrite to use the above.
3654 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
3656 * gimple.c (is_gimple_non_addressable): Remove.
3657 * gimple.h: Remove is_gimple_non_addressable.
3658 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3659 is_gimple_non_addressable.
3660 * trans-mem.c (expand_assign_tm): Same.
3662 2012-01-09 Richard Guenther <rguenther@suse.de>
3664 PR tree-optimization/51775
3665 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3666 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3668 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3670 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3672 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3674 2012-01-09 Richard Guenther <rguenther@suse.de>
3676 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3678 2012-01-08 Jan Hubicka <jh@suse.cz>
3680 PR tree-optimize/51680
3681 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3682 on when known_vals needs to be computed; cleanup.
3684 2012-01-08 Jan Hubicka <jh@suse.cz>
3686 PR tree-optimize/51694
3687 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3689 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
3691 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3692 for -std=c++98 and -std=c++11 too.
3694 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
3696 * cfgloop.c (cancel_loop): Add free() of bbs array.
3698 2012-01-07 Jan Hubicka <jh@suse.cz>
3700 PR tree-optimization/51600
3701 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3702 that benefits small functions.
3704 2012-01-07 Jan Hubicka <jh@suse.cz>
3706 * ipa-inline.c (want_inline_small_function_p): Fix formating.
3708 2012-01-07 Jan Hubicka <jh@suse.cz>
3710 PR tree-optimization/51680
3711 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3712 whose inlining reduce unit size.
3714 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
3717 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3718 Add canonical node to containing_mem chain after the non-canonical
3719 one, even if there weren't any locs to propagate.
3720 (remove_useless_values): Keep only canonical values.
3721 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3722 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
3723 canonicalize mem_chain elements that are not discarded.
3725 2012-01-06 Jakub Jelinek <jakub@redhat.com>
3728 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3729 before emitting functions.
3731 PR gcov-profile/50127
3732 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3733 clear_aux_for_blocks.
3735 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
3738 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3740 2012-01-06 Arnaud Charlet <charlet@adacore.com>
3742 * c-decl.c (ext_block): Moved up.
3743 (collect_all_refs, for_each_global_decl): Take ext_block into account.
3745 2012-01-06 Han Shen <shenhan@google.com>
3747 Translate built-in include paths for sysroot.
3748 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3749 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3751 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3752 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3754 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3755 control whether sysroot should be prepended to gxx include dir.
3757 * configure: Regenerate.
3759 2012-01-06 Torvald Riegel <triegel@redhat.com>
3761 PR rtl-optimization/51771
3762 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3763 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3765 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3767 PR tree-optimization/51315
3768 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3769 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3771 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
3774 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3775 for shrp pattern. Correctly handle and fixup shift variable.
3776 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3778 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3781 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
3782 note when !ACCUMULATE_OUTGOING_ARGS.
3784 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3786 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3788 (extract_range_from_unary_expr_1): Avoid useless computations.
3790 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3792 PR rtl-optimization/51767
3793 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
3794 of jump_block and add an extra edge for degenerated asm gotos.
3797 * stmt.c (check_unique_operand_names): Don't ICE during error
3798 reporting if i is from labels chain.
3801 * profile.c (branch_prob): Split bbs that have exit edge
3802 and need a fake entry edge too.
3804 2012-01-05 Jan Hubicka <jh@suse.cz>
3807 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
3810 2012-01-05 Richard Guenther <rguenther@suse.de>
3813 * tree-streamer-out.c (write_ts_optimization): New function.
3814 (streamer_write_tree_body): Call it.
3815 * tree-streamer-in.c (lto_input_ts_optimization): New function.
3816 (streamer_read_tree_body): Call it.
3817 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
3819 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3822 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
3823 * gimplify.c (gimplify_cleanup_point_expr): Save and set
3824 in_cleanup_point_expr before gimplify_stmt call and restore it
3826 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
3827 in_cleanup_point_expr is false.
3829 2012-01-05 Richard Guenther <rguenther@suse.de>
3832 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
3834 * toplev.c (process_options): Reject combining mudflap and LTO.
3835 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
3837 2012-01-05 Richard Guenther <rguenther@suse.de>
3839 PR tree-optimization/51760
3840 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
3842 (bit_value_unop): Handle UNDEFINED operands.
3843 (bit_value_binop): Likewise.
3845 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
3847 * config/avr/avr.c (avr_replace_prefix): Remove.
3848 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
3849 (avr_asm_function_rodata_section): Ditto.
3850 (avr_asm_select_section): Ditto.
3852 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
3854 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
3857 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3860 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
3861 calls that have any non-fake successor edges.
3864 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
3866 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
3868 PR tree-optimization/51624
3869 * tree-sra.c (build_ref_for_model): When replicating a chain of
3870 COMPONENT_REFs, stop as soon as the offset would become negative.
3872 2012-01-04 Jakub Jelinek <jakub@redhat.com>
3875 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
3876 in .debug_loc on the floor.
3878 2012-01-04 Andrew Pinski <apinski@cavium.com>
3880 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
3882 2012-01-04 Andrew Pinski <apinski@cavium.com>
3883 Adam Nemet <anemet@caviumnetworks.com>
3885 * config/mips/mips.md (size): Add SI and DI.
3886 (SIZE): New mode attribute.
3887 (U): New code attribute.
3888 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
3889 (mips_lbux_<mode>): Delete.
3890 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
3891 (mips_lhx): Use gen_mips_lhx_extsi.
3892 (mips_lhx_<mode>): Delete.
3894 (mips_l<size>x): New expand.
3895 (mips_lwx_<mode>): Delete.
3896 (mips_l<GPR:size>x_<P:mode>): New pattern.
3897 (*mips_lw<u>x_<P:mode>_ext): Likewise.
3898 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
3899 * config/mips/mips.c (mips_lx_address_p): New function.
3900 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
3901 (dsp64): New availability predicate.
3902 (mips_builtins): Add an entry for __builtin_mips_ldx.
3903 * config/mips/mips.h (ISA_HAS_LBX): New define.
3904 (ISA_HAS_LBUX): Likewise.
3905 (ISA_HAS_LHX): Likewise.
3906 (ISA_HAS_LHUX): Likewise.
3907 (ISA_HAS_LWX): Likewise.
3908 (ISA_HAS_LWUX): Likewise.
3909 (ISA_HAS_LDX): Likewise.
3910 * doc/extend.texi (__builtin_mips_ldx): Document.
3912 2012-01-04 Tristan Gingold <gingold@adacore.com>
3914 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
3915 when long pointers are used.
3916 * config.build (*-*-*vms*): Handle all OpenVMS targets.
3917 (alpha64-dec-*vms*, alpha*-dec-*vms*)
3918 (ia64-hp-*vms*): Remove.
3919 * config/vms/xm-vms64.h: Delete.
3921 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3924 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
3926 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3928 * opts.c (finish_options): Remove duplicate sorry.
3930 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3933 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
3936 2012-01-04 Richard Guenther <rguenther@suse.de>
3939 * tree.c (size_low_cst): New function.
3940 * tree.h (size_low_cst): Declare.
3941 * fold-const.c (fold_comparison): Use it to extract the low
3942 part of the POINTER_PLUS_EXPR offset.
3944 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
3946 Fix clearing ZERO_REG
3947 * config/avr/avr.md (cc): Add alternative "ldi".
3948 (movqi_insn): Use it in cc attribute.
3949 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
3950 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
3951 (output_reload_insisf): Use ZERO_REG to pre-clear register.
3953 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3955 * configure: Regenerate.
3957 2012-01-04 Richard Guenther <rguenther@suse.de>
3959 PR tree-optimization/49651
3960 * tree-ssa-structalias.c (type_can_have_subvars): New function.
3961 (var_can_have_subvars): Use it.
3962 (get_constraint_for_1): Only consider subfields if there can be any.
3964 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3967 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
3968 to its new canonical_cselib_val and the cselib_val was in
3969 first_containing_mem chain, but the canonical_cselib_val was not,
3970 add the latter into the chain.
3971 (cselib_invalidate_mem): Compare canonical_cselib_val of
3972 addr_list chain elt with v.
3975 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
3976 dwarf2out_undef): Allocate e.info using ggc_strdup instead
3978 (output_macinfo_op): Don't ggc_strdup fd->filename.
3979 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
3980 then ggc_strdup it. Don't free inc->info or cur->info.
3981 (output_macinfo): Don't free ref->info or file->info.
3983 2012-01-03 Ira Rosen <irar@il.ibm.com>
3985 PR tree-optimization/51269
3986 * tree-vect-loop-manip.c (set_prologue_iterations): Make
3987 first_niters a pointer.
3988 (slpeel_tree_peel_loop_to_edge): Likewise.
3989 (vect_do_peeling_for_loop_bound): Update call to
3990 slpeel_tree_peel_loop_to_edge.
3991 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
3992 here. Remove it from the parameters list.
3993 (vect_do_peeling_for_alignment): Update calls and compute
3996 2012-01-03 Richard Guenther <rguenther@suse.de>
3998 PR tree-optimization/51070
3999 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
4000 Properly handle calls.
4002 2012-01-03 Richard Guenther <rguenther@suse.de>
4004 PR tree-optimization/51692
4005 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
4006 the LHS of allocation stmts.
4008 2012-01-03 Olivier Hainque <hainque@adacore.com>
4010 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
4012 2012-01-03 Olivier Hainque <hainque@adacore.com>
4014 * collect2.c (main): In AIX specific computations for vector
4015 insertions, use CONST_CAST2 to cast from char ** to const char **.
4017 2012-01-03 Richard Guenther <rguenther@suse.de>
4020 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
4021 the context of a limbo DIE when it does not already exist.
4023 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4025 PR tree-optimization/51719
4026 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
4027 but direct call is, clear direct call's lhs and don't add fallthrough
4028 edge from dcall_bb to join_bb and PHIs.
4030 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4032 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
4033 the instructions emitted by the pattern.
4034 ("*TDC_insn_<mode>"): Add comment.
4036 2012-01-03 Richard Guenther <rguenther@suse.de>
4039 * fold-const.c (fold_comparison): Properly canonicalize
4040 tree offset and HOST_WIDE_INT bit position.
4042 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
4044 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
4045 operands for extzv pattern.
4047 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4050 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
4053 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
4055 * doc/invoke.texi (-flto and related options): Copy-edit.
4057 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4059 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
4061 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4063 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
4066 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4068 * expr.h (move_by_pieces_ninsns): Declare.
4069 * expr.c (move_by_pieces_ninsns): Make external.
4070 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
4071 (mips_store_by_pieces_p): Likewise.
4072 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
4073 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
4074 * config/mips/mips.c (mips_move_by_pieces_p): New function.
4075 (mips_store_by_pieces_p): Likewise.
4077 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4079 * passes.c (register_one_dump_file): Free full_name.
4081 * reload1.c (reload): Don't allocate reg_max_ref_width here.
4082 (calculate_elim_costs_all_insns): Free offsets_at and
4083 offsets_known_at at the end and clear the pointers.
4085 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4087 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
4088 this option introduced in r180739.
4090 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4093 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
4094 (tmake_file target=avr): Add avr/t-multilib.
4096 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
4097 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
4098 * config/avr/genmultilib.awk: New file.
4099 * config/avr/t-multilib: New auto-generated file.
4100 * config/avr/multilib.h: New auto-generated file.
4101 * config/avr/t-avr (AVR_MCUS): New variable.
4102 (genopt.sh): Use it.
4103 (s-mlib): Depend on t-multilib.
4104 (t-multilib, multilib.h): New dependencies.
4105 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
4106 (MULTILIB_OPTIONS): Remove.
4107 (MULTILIB_MATCHES): Remove.
4108 (MULTILIB_DIRNAMES): Remove.
4109 (MULTILIB_EXCEPTIONS): Remove:
4110 * config/avr/genopt.sh: Don't use hard coded file name;
4111 pass AVR_MCUS from t-avr instead.
4113 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4115 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
4117 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4119 Implement light-weight DImode support.
4120 * config/avr/avr-dimode.md: New file.
4121 * config/avr/avr.md: Include it.
4122 (adjust_len): Add plus64, compare64.
4123 (HIDI): Remove code iterator.
4124 (code_stdname): New code attribute.
4125 (rotx, rotsmode): Remove DI.
4126 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
4128 * config/avr/avr-protos.h (avr_have_dimode): New.
4129 (avr_out_plus64, avr_out_compare64): New.
4130 * config/avr/avr.c (avr_out_compare): Handle DImode.
4131 (avr_have_dimode): New variable definition and initialization.
4132 (avr_out_compare64, avr_out_plus64): New functions.
4133 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
4134 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
4135 (avr_compare_pattern): Skip DImode comparisons.
4137 2012-01-02 Revital Eres <revital.eres@linaro.org>
4139 * ddg.c (def_has_ccmode_p): New function.
4140 (add_cross_iteration_register_deps,
4141 create_ddg_dep_from_intra_loop_link): Call it.
4143 2012-01-02 Richard Guenther <rguenther@suse.de>
4146 * invoke.texi (fassociative-math): Remove spurious paranthesis.
4148 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4150 * gcc.c (process_command): Update copyright notice dates.
4151 * gcov.c (print_version): Likewise.
4152 * gcov-dump.c (print_version): Likewise.
4153 * mips-tfile.c (main): Likewise.
4154 * mips-tdump.c (main): Likewise.
4156 2012-01-01 Ira Rosen <irar@il.ibm.com>
4158 PR tree-optimization/51704
4159 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
4160 a use is inside the basic block or loop before accessing its vect info.
4162 2012-01-01 Jan Hubicka <jhjh@suse.cz>
4164 PR rtl-optimization/51069
4165 * cfgloopmanip.c (remove_path): Removing path making irreducible
4166 region unconditional makes BB part of the region.
4168 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4170 PR tree-optimization/51683
4171 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
4172 calls with side-effects.
4173 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
4175 Copyright (C) 2012 Free Software Foundation, Inc.
4177 Copying and distribution of this file, with or without modification,
4178 are permitted in any medium without royalty provided the copyright
4179 notice and this notice are preserved.