1 2012-03-11 H.J. Lu <hongjiu.lu@intel.com>
3 * config/i386/i386.c (ix86_trampoline_init): Use movl for 64bit if
4 ptr_mode == SImode. Replace DImode with Pmode or ptr_mode.
6 2012-03-11 H.J. Lu <hongjiu.lu@intel.com>
8 * config/i386/i386.c (x86_this_parameter): Replace DImode with
11 2012-03-11 H.J. Lu <hongjiu.lu@intel.com>
13 * config/i386/i386.md (lwp_slwpcb): Check Pmode instead of
16 2012-03-11 H.J. Lu <hongjiu.lu@intel.com>
17 Uros Bizjak <ubizjak@gmail.com>
19 * config/i386/predicates.md (call_insn_operand): Allow
20 constant_call_address_operand in Pmode only.
21 (sibcall_insn_operand): Ditto.
22 * config/i386/i386.md (*call): Use W mode iterator instead of P mode.
23 (*call_vzeroupper): Ditto.
25 (*sibcall_vzeroupper): Ditto.
27 (*call_value_vzeroupper): Ditto.
28 (*sibcall_value): Ditto.
29 (*sibcall_value_vzeroupper): Ditto.
30 (*indirect_jump): Ditto.
31 (*tablejump_1): Ditto.
32 (indirect_jump): Convert memory address to word mode for TARGET_X32.
34 * config/i386/i386.c (ix86_expand_call): Convert indirect operands
37 2012-03-11 Oleg Endo <olegendo@gcc.gnu.org>
40 * config/sh/sh.md (movnegt): Expand into respective insns immediately.
41 Use movrt_negc instead of negc pattern for non-SH2A.
43 (*movrt_negc, *negnegt, *movtt, *movt_qi): New insns and splits.
45 2012-03-10 H.J. Lu <hongjiu.lu@intel.com>
47 * config/i386/i386.c (ix86_decompose_address): Disallow fs:(reg)
48 if Pmode != word_mode.
49 (legitimize_tls_address): Call gen_tls_initial_exec_x32 if
50 Pmode == SImode for TARGET_X32.
52 * config/i386/i386.md (UNSPEC_TLS_IE_X32): New.
53 (tls_initial_exec_x32): Likewise.
55 2012-03-10 Chung-Lin Tang <cltang@codesourcery.com>
57 PR rtl-optimization/52528
58 * combine.c (can_combine_p): Add setting of subst_low_luid
59 before call to expand_field_assignment().
61 2012-03-09 Sandra Loosemore <sandra@codesourcery.com>
63 * doc/invoke.texi: Use correct names/markup for "GCC", "GDB", "ld",
64 and related program names.
66 2012-03-09 Sandra Loosemore <sandra@codesourcery.com>
68 * doc/invoke.texi: Use correct names for "DWARF", "stabs", and "ELF".
70 2012-03-09 Uros Bizjak <ubizjak@gmail.com>
73 * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
74 (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
76 * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
77 (*movdi_internal_rex64): Use %E operand modifier for lea.
78 (*movsi_internal): Ditto.
80 (*lea<mode>_2): Ditto.
81 (*lea_{3,4,5,6}_zext): Ditto.
82 (*tls_global_dynamic_32_gnu): Ditto.
83 (*tls_global_dynamic_64): Ditto.
84 (*tls_dynamic_gnu2_lea_32): Ditto.
85 (*tls_dynamic_gnu2_lea_64): Ditto.
86 (pro_epilogue_adjust_stack_<mode>_add): Ditto.
88 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
90 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
91 redefine to be NULL if the current bit-size is different from the
94 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
95 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
96 set the default tuning. Add asserts to make sure the cpu and tune
97 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
98 test whether the index is set, instead of > 0.
99 (rs6000_file_start): Do not reset the default cpu if the current
100 bit-size is different from the configured bit-size.
102 2012-03-09 Tristan Gingold <gingold@adacore.com>
104 * config/vms/vms-crtlmap.map: Add comments.
105 Add entries needed to build Ada RTS.
107 2012-03-09 Tristan Gingold <gingold@adacore.com>
109 * ginclude/stddef.h: Do not define __size_t on VMS.
111 2012-03-09 Tristan Gingold <gingold@adacore.com>
113 * c-tree.h (c_default_pointer_mode): New variable.
114 * c-decl.c (c_default_pointer_mode): New variable.
115 (c_build_pointer_type): New function.
116 (grokdeclarator): Call c_build_pointer_type instead
117 of build_pointer_type.
119 * config/vms/vms-c.c: Include c-tree.h
120 (saved_pointer_mode): New variable.
121 (handle_pragma_pointer_size): New function.
122 (vms_pragma_pointer_size, vms_pragma_required_pointer_size): Likewise.
123 (vms_c_register_pragma): Register __pointer_size and
124 __required_pointer_size pragmas.
126 2012-03-09 Tristan Gingold <gingold@adacore.com>
128 * config/vms/vms-c.c (vms_construct_include_filename): New function.
129 (vms_c_register_includes): Reference it.
131 2012-03-09 Andrew Pinski <apinski@cavium.com>
134 * tree-ssa-phiopt.c: Include tree-pretty-print.h for
136 (tree_ssa_phiopt_worker): Go through all the PHIs for
137 value_replacement instead of just the singleton one.
138 (value_replacement): Change return type to int. Return 0 instead of
140 Allow the middle basic block to contain more than just the defining
142 Handle non empty middle basic blocks.
143 * Makefile.in (tree-ssa-phiopt.o): Add tree-pretty-print.h.
145 2012-03-09 Jiangning Liu <jiangning.liu@arm.com>
147 * tree-scalar-evolution (interpret_rhs_expr): generate chrec for
148 array reference and component reference.
149 (analyze_scalar_evolution_for_address_of): New.
151 2012-03-08 Jie Zhang <jzhang918@gmail.com>
154 * config/bfin/bfin.c (hwloop_optimize): Fix unused variable warnings.
155 (hwloop_pattern_reg): Fix set but not used warning.
156 (bfin_reorg_loops): Remove unused parameter.
157 (bfin_reorg): Update use of bfin_reorg_loops.
159 2012-03-08 H.J. Lu <hongjiu.lu@intel.com>
161 * config/i386/i386.c (setup_incoming_varargs_64): Use word_mode
162 with integer parameters in registers.
163 (gen_push): Push register in word_mode instead of Pmode.
164 (ix86_emit_save_regs): Likewise.
165 (ix86_emit_save_regs_using_mov): Save integer registers in word_mode.
166 (gen_pop): Pop register in word_mode instead of Pmode.
167 (ix86_emit_restore_regs_using_pop): Likewise.
168 (ix86_expand_prologue): Replace Pmode with word_mode for push
169 immediate. Use ix86_gen_pro_epilogue_adjust_stack. Save and
170 restore RAX and R10 in word_mode.
171 (ix86_emit_restore_regs_using_mov): Restore integer registers
173 (ix86_expand_split_stack_prologue): Save R10_REG and restore in
175 (ix86_split_to_parts): Use word_mode with PUT_MODE for push.
176 (ix86_split_long_move): Likewise.
178 * config/i386/i386.md (W): New.
179 (*push<mode>2_prologue): Replace :P with :W.
180 (*pop<mode>1): Likewise.
181 (*pop<mode>1_epilogue): Likewise.
182 (push/pop peephole2): Use word_mode scratch registers.
184 2012-03-08 Uros Bizjak <ubizjak@gmail.com>
186 * config/i386/predicates.md (indirect_branch_operand): Simplify.
188 2012-03-08 Georg-Johann Lay <avr@gjlay.de>
190 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
191 for constants in [-63,63].
193 2012-03-08 Uros Bizjak <ubizjak@gmail.com>
197 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
199 * config/i386/i386.c (ix86_print_operand_address): Only handle
200 zero-extended DImode addresses.
202 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
204 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
205 * configure: Regenerate.
207 2012-03-08 Georg-Johann Lay <avr@gjlay.de>
210 * config/avr/avr.c (avr_mem_clobber): New static function.
211 (avr_expand_delay_cycles): Add memory clobber operand to
212 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
213 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
214 (enable_interrupt, disable_interrupt): New expander.
215 (nopv, sleep, wdr): New expanders.
216 (delay_cycles_1): Add memory clobber.
217 (delay_cycles_2): Add memory clobber.
218 (delay_cycles_3): Add memory clobber.
219 (delay_cycles_4): Add memory clobber.
220 (cli_sei): New insn from former "enable_interrupt",
221 "disable_interrupt" with memory clobber.
222 (*wdt): New insn from former "wdt" with memory clobber.
223 (*nopv): Similar, but for "nopv".
224 (*sleep): Similar, but for "sleep".
226 2012-03-07 Oleg Endo <olegendo@gcc.gnu.org>
227 Kaz Kojima <kkojima@gcc.gnu.org>
230 * config/sh/sh.opt (msoft-atomic): Use Var instead of Mask.
231 * config/sh/linux.h (TARGET_DEFAULT): Remove MASK_SOFT_ATOMIC.
232 (SUBTARGET_OVERRIDE_OPTIONS): Define.
234 2012-03-07 Uros Bizjak <ubizjak@gmail.com>
236 * config/i386/predicates.md (x86_64_zext_general_operand): New.
237 * config/i386/i386.md (*zero_extendsidi2_rex64): Change operand 1
238 predicate to x86_64_zext_general_operand. Accept "Z" constraint.
240 2012-03-07 Walter Lee <walt@tilera.com>
242 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
243 REG_CFA_* notes for the stack pointer.
244 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
245 EH_RETURN_STACKADJ_RTX.
246 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
247 generate REG_CFA_* notes for the stack pointer.
248 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
249 by EH_RETURN_STACKADJ_RTX.
251 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
253 * doc/invoke.texi (AVR Built-in Macros): Correct condition for
254 when __AVR_3_BYTE_PC__ is defined.
256 2012-03-07 Uros Bizjak <ubizjak@gmail.com>
258 * config/i386/i386.c (ix86_print_operand_punct_valid_p): Add '^'.
259 (ix86_print_operand): Handle '^'.
260 * config/i386/i386.md (*strmovdi_rex_1): Macroize memory operands
261 using P mode iterator. Add %^ to asm template to conditionally emit
263 (*rep_movdi_rex64): Ditto.
264 (*strsetdi_rex_1): Ditto.
265 (*rep_stosdi_rex64): Ditto.
266 (*strmov{si,hi,qi}_1): Add %^ to asm template to
267 conditionally emit addr32 prefix.
268 (*rep_mov{si,qi}): Ditto.
269 (*strset{si,hi,qi}): Ditto.
270 (*rep_stos{si,qi}): Ditto.
271 (*cmpstrnqi_nz_1): Ditto.
272 (*cmpstrnqi_1): Ditto.
273 (*strlenqi_1): Ditto.
275 2012-03-07 H.J. Lu <hongjiu.lu@intel.com>
277 * config/i386/i386.c (function_value_64): Return pointers in
278 word_mode instead of Pmode.
279 (ix86_promote_function_mode): Likewise.
281 2012-03-07 Richard Guenther <rguenther@suse.de>
283 * coverage.c (get_gcov_type): Use type_for_mode.
284 (get_gcov_unsigned_t): Likewise.
285 * expr.c (store_constructor): Use type_for_mode.
286 (try_casesi): Likewise.
287 * tree-ssa-loop-ivopts.c (add_standard_iv_candidates_for_size): Remove.
288 (add_standard_iv_candidates): Use standard type trees.
289 * dojump.c (do_jump): Remove dead code.
291 2012-03-07 Richard Guenther <rguenther@suse.de>
293 * c-typeck.c (pointer_diff): Use c_common_type_for_size.
295 2012-03-07 Richard Guenther <rguenther@suse.de>
297 * convert.c (strip_float_extensions): Move ...
298 * tree.c (strip_float_extensions): ... here.
300 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
303 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
305 2012-03-07 Richard Guenther <rguenther@suse.de>
307 * omp-low.c (extract_omp_for_data): Use signed_type_for.
308 (expand_omp_for_generic): Likewise.
309 (expand_omp_for_static_nochunk): Likewise.
310 (expand_omp_for_static_chunk): Likewise.
311 * tree-vect-stmts.c (vect_gen_perm_mask): Use type_for_mode.
312 * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
313 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop):
314 Use unsigned_type_for.
315 (vect_create_cond_for_align_checks): Use signed_type_for.
317 2012-03-07 Andrey Belevantsev <abel@ispras.ru>
319 PR rtl-optimization/52203
320 * sel-sched.c (estimate_insn_cost): New parameter pempty. Adjust
321 all callers to pass NULL except ...
322 (reset_sched_cycles_in_current_ebb): ... here, save the value
323 in new variable 'empty'. Increase issue_rate only for
326 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
329 * Makefile.in: Let install-gcc-ar depend on installdirs,
330 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
331 Don't double canonicalize if cross-compiling.
333 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
336 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
337 to: RAMPZ, RAMPY, RAMPX, RAMPD.
338 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
340 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
343 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
345 * config/avr/avr.md (xload_8): Adjust insn length.
347 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
350 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
351 if RAMPZ affects reading from RAM.
353 2012-03-07 Richard Guenther <rguenther@suse.de>
357 * doc/invoke.texi (Precompiled Headers): Remove sentence that
358 suggests you can include PCHs from inside another header.
360 2012-03-07 Richard Sandiford <rdsandiford@googlemail.com>
363 * rtl.h (pc_rtx, cc0_rtx, ret_rtx, simple_return_rtx): Add GTY markers.
365 2012-03-07 Kai Tietz <ktietz@redhat.com>
367 * doc/invoke.texi (fwritable-relocated-rdata): Document
368 new Cygwin/MinGW target option.
369 * config/i386/winnt.c (i386_pe_unique_section): Ignore
370 reloc if flag -fwritable-relocated-rdata is not set.
371 (i386_pe_section_type_flags): Likewise.
372 * config/i386/cygming.opt (fwritable-relocated-rdata):
373 Add new flag variable flag_writable_rel_rdata.
375 2012-03-07 Richard Guenther <rguenther@suse.de>
377 * tree-ssa-math-opts.c (convert_mult_to_widen): Check actual
378 precision against gimple constraints.
380 2012-03-06 Richard Sandiford <rdsandiford@googlemail.com>
383 * rtl.h (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): Redefine as
385 (GR_PC, GR_CC0, GR_RETURN, GR_SIMPLE_RETURN): Delete.
386 * emit-rtl.c (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): New
388 (init_emit_regs): Move associated initialization to...
389 (init_emit_once): ...here.
391 2012-03-06 Richard Henderson <rth@redhat.com>
393 * config/m68k/m68k.h (ISA_HAS_TAS): New.
394 * config/m68k/sync.md (atomic_test_and_set): Use it.
395 (atomic_test_and_set_1): Likewise.
397 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
400 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
401 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
402 (vector_ltgt<mode>): Likewise.
403 (vector_ordered<mode>): Likewise.
404 (vector_unordered<mode>): Likewise.
405 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
407 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
409 * trans-mem.c: New typedef for tm_region_p.
410 Define vector types for tm_region_p.
411 (tm_region_init): Replace region_worklist to a vector called
414 2012-03-06 Richard Guenther <rguenther@suse.de>
416 * fold-const.c (build_fold_addr_expr_with_type_loc): Fold
417 MEM_REF with constant pointer operand.
419 2012-03-06 Richard Guenther <rguenther@suse.de>
422 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
424 2012-03-06 Tristan Gingold <gingold@adacore.com>
426 * config/vms/vms-c.c (vms_pragma_nomember_alignment): Handle octaword.
427 (external_model_kind): Improve documentation.
428 (vms_pragma_extern_model): Handle relaxed_redef.
429 (vms_c_register_pragma): Allow expansion for nomember_alignment.
431 2012-03-06 Georg-Johann Lay <avr@gjlay.de>
433 * doc/invoke.texi (AVR Options): -mmcu=: Document the XMEGA cores.
434 Explain RAMPD, RAMPX, RAMPDY, RAMPZ usage by avr-gcc.
435 Some more notes on EIND usage and reorder EIND subsection.
437 2012-03-06 Tristan Gingold <gingold@adacore.com>
439 * config/vms/vms.c (VMS_CRTL_LDBL): Rename from VMS_CRTL_PRNTF.
440 * config/vms/vms-crtlmap.map: Rename PRNTF to LDBL.
442 2012-03-06 Tristan Gingold <gingold@adacore.com>
444 * config/vms/t-vmsnative (version): Define.
445 * config/vms/t-vms (STMP_FIXPROTO, STMP_FIXINC, version): Remove.
447 2012-03-06 Andrey Belevantsev <abel@ispras.ru>
449 PR rtl-optimization/52250
450 * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
451 to put note list into. Unconditionally call move_bb_info.
452 (move_bb_info): Do not assert the blocks being in the same region,
453 just drop the note list if they are not.
455 2012-03-06 Oleg Endo <olegendo@gcc.gnu.org>
458 * config/sh/sh.c (sh_expand_t_scc): Remove SH2A special case
459 and use unified expansion logic.
460 * config/sh/sh.md (xorsi3_movrt): Rename to movrt. Move
461 closer to the existing movt insn.
462 (negc): Rename insn to *negc. Add new expander.
463 (movnegt): Use xor pattern for T bit negation. Reserve helper
464 constant for negc pattern.
465 (*movnegt): New insn and splitter.
467 2012-03-05 Bernd Schmidt <bernds@codesourcery.com>
469 * c-typeck.c (pointer_diff): Check for POINTER_PLUS_EXPR, not
472 2012-03-05 Richard Henderson <rth@redhat.com>
474 * genemit.c (main): Include "target.h" in insn-emit.c.
475 * Makefile.in (insn-emit.o): Depend on TARGET_H.
476 * config/sh/sync.md (atomic_test_and_set): Reference
477 targetm.atomic_test_and_set_trueval instead of
478 TARGET_ATOMIC_TEST_AND_SET_TRUEVAL.
480 2012-03-05 Joern Rennecke <joern.rennecke@embecosm.com>
482 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
485 2012-03-05 Steven Bosscher <steven@gcc.gnu.org>
487 * langhooks.c (add_builtin_type): New function.
488 * langhooks.h (add_builtin_type): Export it.
489 * config/mep/mep.c (mep_init_builtins): Use it.
490 * config/rs6000/rs6000.c (rs6000_init_builtins): Use it.
492 2012-03-05 Jakub Jelinek <jakub@redhat.com>
495 * tree.h (BLOCK_SAME_RANGE): Define.
496 * function.c (block_fragments_nreverse): Clear BLOCK_SAME_RANGE
497 if BLOCK_FRAGMENT_CHAIN is non-NULL, but has it cleared.
498 Also clear BLOCK_SAME_RANGE if fragment chain's supercontext fragment
499 isn't equal to supercontext fragment's fragment chain.
500 Adjust BLOCK_SUPERCONTEXT to point to supercontext fragment's
502 (blocks_nreverse_all): Likewise.
503 (reorder_blocks_1): Compute BLOCK_SAME_RANGE bits. Set
504 BLOCK_SUPERCONTEXT to supercontext fragment instead of
505 supercontext fragment's fragment origin.
506 * dwarf2out.c (add_high_low_attributes): If stmt has the same
507 range as its parent (or parents thereof etc.), use the parent's
508 DW_AT_ranges value instead of creating a new .debug_ranges range.
510 2012-03-05 Richard Henderson <rth@redhat.com>
513 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
514 * omp-low.c (expand_omp_atomic): Assume anything aligned to
515 BIGGEST_ALIGNMENT is aligned.
517 2012-03-05 Richard Henderson <rth@redhat.com>
519 * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Move...
520 * config/sh/sh.c: ... here.
522 2012-03-05 Richard Henderson <rth@redhat.com>
525 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
526 instead of calling negqi2 directly.
528 2012-03-05 Aldy Hernandez <aldyh@redhat.com>
531 * trans-mem.c (tm_region_init): Use last_basic_block.
533 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
535 * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
536 * config/sh/sync.md (atomic_test_and_set): New expander.
537 (tasb, atomic_test_and_set_soft): New insns.
538 * config/sh/sh.opt (menable-tas): New option.
539 * doc/invoke.texi (SH Options): Document it.
541 2012-03-05 Richard Guenther <rguenther@suse.de>
543 * cfgloop.c (verify_loop_structure): Verify dominators before
545 * graphite-clast-to-gimple.c (graphite_verify): Do not verify
546 dominators from here.
547 * graphite-scop-detection.c (create_sese_edges): Likewise.
548 * loop-doloop.c (doloop_optimize_loops): Likewise.
549 * loop-init.c (loop_optimizer_init): Likewise.
550 * loop-unroll.c (unroll_and_peel_loops): Likewise.
551 * loop-unswitch.c (unswitch_loops): Likewise.
552 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
553 * tree-parloops.c (parallelize_loops): Likewise. Verify
554 only when checking is enabled.
555 * tree-loop-distribution.c (tree_loop_distribution): Likewise.
557 2012-03-05 Bernd Schmidt <bernds@codesourcery.com>
559 * genautomata.c (parse_automata_opt): New static function.
560 (initiate_automaton_gen): Remove all option handling code. Remove
561 argc argument. All callers changed.
562 (main): Call init_rtx_reader_args_cb with the new function as argument.
564 2012-03-05 Richard Guenther <rguenther@suse.de>
566 * cfgexpand.c (gimple_expand_cfg): Free dominator info.
567 * tree-if-conv.c (combine_blocks): Free post-dominator info
569 * tree-parloops.c (create_parallel_loop): Free and re-compute
570 dominator info after breaking it.
572 2012-03-05 Richard Guenther <rguenther@suse.de>
575 * optabs.h (trapv_unoptab_p): New function.
576 (trapv_binoptab_p): Likewise.
577 * optabs.c (expand_binop): Use emit_libcall_block_1 with
578 a proper equiv_may_trap argument.
579 (expand_unop): Likewise.
580 (emit_libcall_block_1): Take extra argument whether the
581 instruction may trap. Renamed from ...
582 (emit_libcall_block): ... this. New wrapper.
584 2012-03-05 Jakub Jelinek <jakub@redhat.com>
586 PR tree-optimization/51721
587 * tree-vrp.c (register_edge_assert_for_2): If comparing
588 lhs of right shift by constant with an integer constant,
589 add ASSERT_EXPRs for the rhs1 of the right shift.
591 * cfgrtl.c (cfg_layout_merge_blocks): Cleanup.
593 2012-03-05 Richard Guenther <rguenther@suse.de>
595 * tree.c (integer_zerop): Handle VECTOR_CSTs.
596 (integer_onep): Likewise.
597 (integer_all_onesp): Likewise.
599 2012-03-05 Georg-Johann Lay <avr@gjlay.de>
601 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
603 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
605 * config/i386/i386.c (pro_epilogue_adjust_stack): Check Pmode
606 instead of TARGET_64BIT.
608 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
610 * config/i386/i386.c (ix86_expand_prologue): Check Pmode to set
613 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
615 * config/i386/i386.c (ix86_print_operand_address): Only handle
616 zero-extended DImode addresses.
618 2012-03-04 Uros Bizjak <ubizjak@gmail.com>
620 * config/i386/i386.c (ix86_print_operand) <case '+'>: Declare
621 taken and cputaken as bool.
623 2012-03-04 Uros Bizjak <ubizjak@gmail.com>
625 * config/i386/constraints.md (Ya): New internal constraint.
626 * config/i386/i386.md (zero_extendsidi2): Remove expansion.
627 (*zero_extendsidi2_rex64): Add x,x alternative.
628 (*zero_extendsidi2): Ditto. Add o,0 alternative.
629 Remove flags reg clobber. Adjust corresponding splits.
630 (zero_extend<mode>si2): Macroize expander from zero_extendhisi2 and
631 zero_extendqisi2 expanders using SWI12 mode iterator.
632 (zero_extend<mode>si2_and): Macroize insn from
633 zero_extendhisi2_and and zero_extendqisi2_and. Merge corresponding
635 (*zero_extend<mode>si2): Macroize insn from
636 *zero_extendhisi2_movzbl and *zero_extendqisi2_movzbl.
637 (*zero_extend*2_movzbl_and): Remove insn patterns.
638 (zero_extendqihi2_and): Merge corresponding splitter.
639 (*zero_extendqihi2): Rename from *zero_extendqihi2_movzbl.
640 (*zero_extend*2_movzbl_and): Remove insn patterns.
641 (*anddi_1): Split TYPE_IMOVX instructions.
642 (*andsi_1): Use Ya for alternative 2. Split TYPE_IMOVX instructions.
644 (and->zext splitter): Add splitter pattern.
645 (zero extend with andsi3 splitter): Adjust zero_extend pattern.
647 2012-03-04 Sandra Loosemore <sandra@codesourcery.com>
649 * doc/invoke.texi (C++ Dialect Options): Minor copy-edits to
651 (Debugging Options): Likewise.
652 (Optimize Options): Likewise.
653 (i386 and x86-64 Options): Discuss -march before -mtune, consistently
654 with other architectures. Use official processor names with correct
655 spelling/capitalization. Fix formatting and grammar issues.
656 (i386 and x86-64 Windows Options): Similar cleanup here.
658 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
660 * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
662 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
664 * config/sh/sh.c (sh_dwarf_register_span): Don't apply
667 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
669 * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
670 operand is CONST_INT. Take COSTS_N_INSNS into account.
671 (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value
674 2012-03-02 Richard Henderson <rth@redhat.com>
676 * optabs.c (expand_atomic_test_and_set): Honor
677 atomic_test_and_set_trueval even when atomic_test_and_set
680 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
684 * config/sh/sh.c (sh_register_move_cost): Increase cost between
685 GENERAL_REGS and FP_REGS for SImode.
687 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
690 * config/sh/sh.md (negdi2): Add TARGET_SH1 condition.
691 (absdi2): New expander.
692 (*absdi2, *negabsdi2, negdi_cond): New insns and splits.
694 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
696 * config/sh/sync.md (atomic_exchange<mode>): New expander.
697 (atomic_exchange<mode>_soft): New insn.
699 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
701 * config/sh/sync.md: Update copyright notice dates.
702 (atomic_compare_and_swap<mode>): Use SImode for return value instead
704 (atomic_compare_and_swap<mode>_soft): Likewise.
706 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
709 * config/sh/sh.h (LOOP_ALIGN): Move logic to sh_loop_align.
710 * config/sh/sh.c: Update copyright notice dates.
711 (sh_loop_align): Add logic from LOOP_ALIGN. Don't disable loop
712 alignment for TARGET_HARD_SH4.
713 (sh_option_override): Reduce default function alignment. Set
714 loop alignment to 4 bytes when not optimizing for size.
716 2012-03-02 Maxim Kuvyrkov <maxim@codesourcery.com>
719 * doc/invoke.texi (floop-flatten): Remove.
720 * toplev.c (process_options): Remove references to flag_loop_flatten.
721 * tree-ssa-loop.c (gate_graphite_transform): Same.
722 * common.opt (floop-flatten): Obsolete.
723 * graphite-poly.c (apply_poly_transforms): Remove reference to
725 * Makefile.in (graphite-flattening.o): Remove.
726 * graphite-flattening.c: Remove.
728 2012-03-02 Uros Bizjak <ubizjak@gmail.com>
730 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
731 having mode compatible with the mode of previous compare. Substitute
732 compare mode of previous compare with the mode, compatible
733 with eliminated and previous compare.
735 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
737 * config/rs6000/dfp.md (floatdidd2): New define_insn.
739 2012-03-02 Uros Bizjak <ubizjak@gmail.com>
741 * config/i386/i386.c (ix86_cc_modes_compatible): Declare CCZmode
742 compatible with CCGOCmode and CCGCmode.
744 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
746 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
748 2012-03-02 Ulrich Weigand <ulrich.weigand@linaro.org>
750 * config/arm/arm.c (arm_sat_operator_match): New function.
751 * config/arm/arm-protos.h (arm_sat_operator_match): Add prototype.
752 * config/arm/arm.md ("insn" attribute): Add "sat" value.
753 ("SAT", "SATrev"): New code iterators.
754 ("SATlo", "SAThi"): New code iterator attributes.
755 ("*satsi_<SAT:code>"): New pattern.
756 ("*satsi_<SAT:code>_shift"): Likewise.
757 * config/arm/arm-fixed.md ("arm_ssatsihi_shift"): Add "insn"
758 and "shift" attributes.
759 ("arm_usatsihi"): Add "insn" attribute.
760 * config/arm/predicates.md (sat_shift_operator): Allow multiplication
761 by powers of two. Do not allow shift by 32.
763 2012-03-02 Uros Bizjak <ubizjak@gmail.com>
766 * config/i386/i386.c (construct_container): Use gen_reg_or_parallel
767 to pass the argument in the register of "natural" mode.
769 2012-03-02 Richard Guenther <rguenther@suse.de>
771 PR tree-optimization/52406
772 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
773 (struct indices): Add unconstrained_base member.
774 (struct dr_alias): Remove unused vops member.
775 (DR_UNCONSTRAINED_BASE): New define.
776 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
777 add indices to allow their disambiguation. Make DR_BASE_OBJECT
778 be an artificial access that covers the whole indexed object,
779 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
780 plain decl base-objects to their MEM_REF variant.
781 (dr_may_alias_p): When the base-object of either data reference
782 has unknown size use only points-to information.
783 (compute_affine_dependence): Make dumps easier to read and
785 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
786 DR_REF when looking for packed references.
787 (vect_supportable_dr_alignment): Likewise.
789 2012-03-02 Greta Yorsh <Greta.Yorsh@arm.com>
791 * config/arm/arm-ldmstm.ml (write_ldm_commutative_peephole):
792 Improve conditions for peepholes of loads followed by commutative
794 * config/arm/ldmstm.md: Regenerated.
796 2012-03-02 Richard Guenther <rguenther@suse.de>
798 * BASE-VER: Set to 4.8.0.
800 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
802 * config.gcc (obsolete): Add all ARM targets using the FPA.
803 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
804 * doc/install.texi: Avoid references to obsolete ARM ports.
806 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
808 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
810 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
811 Joern Rennecke <joern.rennecke@embecosm.com>
813 * doc/extend.texi: Expand and update information on interrupt
814 attribute for Epiphany.
816 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
818 * config/sh/sh-protos.h: Update copyright notice dates.
819 * config/sh/sh.h: Likewise.
820 * config/sh/sh.md: Likewise.
821 * config/sh/constraints.md: Likewise.
822 * config/sh/predicates.md: Likewise.
824 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
826 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
827 * config/sh/sh.c (tertiary_reload_operand): Likewise.
829 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
831 * config/sh/constraints.md: Fix comment typo.
833 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
836 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
837 unsigned HOST_WIDE_INT.
838 (zvdep_imm64): Likewise.
839 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
840 (vdepi_and): Likewise.
841 Likewise for unamed 64-bit patterns.
842 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
844 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
847 PR rtl-optimization/52417
848 * cselib.c (cselib_any_perm_equivs): New variable.
849 (cselib_reset_table): Check that it's not set when not
850 preserving constants.
851 (cselib_add_permanent_equiv): Set it.
852 (cselib_have_permanent_equivalences): New.
853 (cselib_init, cselib_finish): Reset it.
854 * cselib.h (cselib_have_permanent_equivalences): Declare.
855 * alias.c (get_addr): Restore earlier behavior when there
856 aren't permanent equivalences.
858 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
860 * config/mn10300/mn10300-modes.def: Fix copyright notice.
861 * config/v850/v850-modes.def: Fix copyright notice.
863 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
865 * doc/extend.texi (AVR Built-in Functions): Document
866 __builtin_avr_flash_segment.
868 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
869 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
870 (*split.flash_segment): New insn-and-split.
871 * config/avr/avr.c (avr_init_builtins): Add local variables:
872 const_memx_void_node, const_memx_ptr_type_node,
873 char_ftype_const_memx_ptr.
875 2012-03-01 Jakub Jelinek <jakub@redhat.com>
877 PR tree-optimization/52445
878 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
879 add ssa_name_ver, offset and size fields and change store field
881 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
882 (add_or_mark_expr): Likewise. Only consider previous stores
883 with the same size and offset.
884 (nt_init_block): Only look at gimple_assign_single_p stmts,
885 doesn't look at rhs2.
887 2012-03-01 Richard Guenther <rguenther@suse.de>
890 * tree-cfg.c (verify_gimple_assign_unary): Allow any
891 conversions from integral types to pointer types.
893 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
895 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
896 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
897 unintentionally removed in r184616.
899 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
901 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
904 2012-02-29 Jakub Jelinek <jakub@redhat.com>
905 Uros Bizjak <ubizjak@gmail.com>
908 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
909 alternatives, add "e" constraint to the new last alternative
910 and ! to last 3 alternatives.
912 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
914 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
915 DW_AT_artificial attributes at the end of the processing.
916 (gen_array_type_die): Likewise.
917 (gen_enumeration_type_die): Likewise.
918 (gen_struct_or_union_type_die): Likewise.
919 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
922 2012-02-29 Jakub Jelinek <jakub@redhat.com>
925 * expr.c (expand_assignment): If doing misaligned store that doesn't
926 cover all mode bits, perform a RMW cycle.
928 PR tree-optimization/52429
929 * tree-parloops.c (separate_decls_in_region_debug): Return early
930 if var is LABEL_DECL.
932 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
934 PR tree-optimization/52424
935 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
936 calling dom_thread_across_edge.
938 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
940 * config/avr/avr.c: Move definition of TARGET macros to end of file.
942 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
944 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
945 * config/avr/avr.c (avr_output_bld): Remove unused function.
946 (avr_out_sbxx_branch): Use "%T" to print bit position.
948 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
950 * config/avr/avr.md: Untabify.
952 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
954 * config/avr/avr.md (eqne): New code iterator.
955 (*dec-and-branchsi): Use it in text peephole's condition.
956 (*dec-and-branchhi): Ditto.
957 (*dec-and-branchqi): Ditto.
959 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
962 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
963 the device does not have the skip-bug.
965 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
967 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
968 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
969 -mpretend-cmove): New.
971 2012-02-29 Jakub Jelinek <jakub@redhat.com>
974 * df.h (struct df_d): Adjust comment that hard_regs_live_count
975 doesn't count DEBUG_INSN refs.
976 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
979 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
983 2012-02-20 Richard Guenther <rguenther@suse.de>
984 PR tree-optimization/52298
985 * tree-vect-stmts.c (vectorizable_load): Properly use
986 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
989 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
992 * gimple.h (gimple_in_transaction): New.
993 (gimple_set_in_transaction): New.
994 (struct gimple_statement_base): Add in_transaction field.
995 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
997 (tree_ssa_lim_initialize): Compute transaction bits.
998 * tree.h (compute_transaction_bits): Protoize.
999 * trans-mem.c (tm_region_init): Use the heap to store BB
1001 (compute_transaction_bits): New.
1003 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1005 * gcc.c (display_help): Document --help=common and sort entries
1008 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1010 * doc/install.texi: Document check-$LANG specific shortcuts
1012 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1015 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1017 * config/arm/arm_neon.h: Regenerate.
1018 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1019 (neon_vcgeu): New insn.
1020 (neon_vcgtu): Likewise.
1021 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1022 (ops): Unsigned comparison intrinsics call a different builtin.
1024 2012-02-28 Richard Guenther <rguenther@suse.de>
1027 * config/i386/i386.c (ix86_expand_vector_set): Fix element
1028 ordering for the VEC_CONCAT for two element vectors for
1029 V2SFmode, V2SImode and V2DImode.
1031 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1034 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1035 detecting big-endian triplets.
1037 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1039 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1040 mode if there is no type information available.
1042 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
1044 PR tree-optimization/53207
1045 * doc/invoke.texi: Document as experimental and relying on graphite.
1047 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1049 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1050 of initializer to changes from r184614.
1052 2012-02-28 Richard Guenther <rguenther@suse.de>
1054 PR tree-optimization/52395
1055 * tree-sra.c (build_ref_for_offset): Also look at the base
1056 TYPE_ALIGN when figuring out the alignment of the replacement.
1058 2012-02-28 Richard Guenther <rguenther@suse.de>
1060 PR tree-optimization/52402
1061 * ipa-prop.c (ipa_modify_call_arguments): Properly use
1062 mis-aligned types when creating the accesses at the call site.
1064 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1066 * config/avr/builtins.def: New file.
1067 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1068 * config/avr/avr.c (enum avr_builtin_id): Use it.
1069 (avr_init_builtins): Use it. And use avr_bdesc.
1070 (bdesc_1arg): Remove.
1071 (bdesc_2arg): Remove.
1072 (bdesc_3arg): Remove.
1073 (struct avr_builtin_description): Add field n_args.
1074 (avr_bdesc): New static variable using builtins.def.
1075 (avr_expand_builtin): Use it.
1076 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1077 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1078 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1080 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1083 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1084 match only one single hard register with respective hard reg rtx.
1085 (movmemx_<mode>): Ditto.
1086 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1087 insn anatomy of movmem[x]_<mode>.
1088 (avr_out_movmem): Same for printing assembler and operand usage.
1090 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1094 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1095 address spaces located outside of device flash.
1097 * config/avr/avr.h (base_arch_s): Remove field n_segments.
1098 (mcu_type_s): Add field n_flash.
1099 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1100 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1101 (AVR_MCU): Add N_FLASH argument.
1102 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1103 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1104 macro __FLASH<n> if that address space makes sense for the device.
1105 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1106 outside of target flash.
1107 (avr_asm_named_section): Ditto.
1108 (avr_asm_select_section): Ditto.
1109 (avr_addr_space_convert): Ditto.
1110 (avr_emit_movmemhi): Ditto.
1111 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1112 address space is outside of device flash.
1113 (avr_insert_attributes): Ditto.
1114 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1115 avr_current_arch->n_segments.
1117 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
1120 * config/i386/i386.md (*movabs<mode>_1): Enable only for TARGET_LP64.
1121 (*movabs<mode>_2): Likewise.
1123 2012-02-27 Jakub Jelinek <jakub@redhat.com>
1126 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1127 s_register_operand in the test instead of REG_P. Don't call
1128 gen_reg_rtx if it won't be used.
1130 PR tree-optimization/52376
1131 * ipa-split.c (split_function): Ignore CLOBBER stmts.
1133 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
1135 * ifcvt.c (noce_get_condition): Check condition variable is not
1136 small_register_classes_for_mode_p before accepting.
1138 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
1140 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1142 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1145 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1146 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1148 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1150 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
1152 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1154 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
1156 * config/sh/predicates.md: Remove blank lines.
1157 * config/sh/sh.c: Fix typos in comments.
1158 * config/sh/constraints.md: Likewise.
1159 * config/sh/sh.md: Remove blank lines.
1160 Fix typos in comments. Use ;; as comment characters.
1162 2012-02-26 Walter Lee <walt@tilera.com>
1164 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1165 (replace_mov_pcrel_step2): Ditto.
1167 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
1170 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1171 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
1172 and locs that reference values newer than the non-canonical value
1173 at hand. Return the canonical value as a worst case.
1174 (memrefs_conflict_p): Walk canonical value's locs.
1177 * cselib.c (preserve_only_constants): Rename to...
1178 (preserve_constants_and_equivs): ... this. Split out...
1179 (invariant_or_equiv_p): ... this. Preserve plus expressions
1180 of other preserved expressions too.
1181 (cselib_reset_table): Adjust.
1182 * var-tracking.c (reverse_op): Use canonical value to build
1185 2012-02-23 Kai Tietz <ktietz@redhat.com>
1187 * config/i386/i386.c (ix86_delegitimize_address): Handle
1188 UNSPEC_PCREL plus displacement.
1190 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
1193 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1194 to test for unusedness in st X addressing.
1196 2012-02-24 Richard Guenther <rguenther@suse.de>
1199 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1200 (is_gimple_reg_type): Move inline ...
1201 * gimple.h (is_gimple_reg_type): ... here.
1203 2012-02-24 Richard Guenther <rguenther@suse.de>
1206 * passes.c (execute_function_todo): When verifying SSA form
1207 verify gimple form first.
1208 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1210 2012-02-24 Richard Guenther <rguenther@suse.de>
1213 * fold-const.c (fold_addr_of_array_ref_difference): New function.
1214 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1216 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1218 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1220 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1222 * tree-phinodes.c (make_phi_node): Mark static.
1223 * tree-flow.h (make_phi_node): Remove extern decl.
1224 * doc/gimple.texi (make_phi_node): Remove documentation.
1226 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1228 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1229 * tree-ssa-sccvn.c (print_scc): Ditto.
1231 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1233 * doc/passes.texi (Full redundancy elimination): Fix typo.
1235 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1237 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1239 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
1242 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1244 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
1247 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1249 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
1251 * config/avr/avr.md (code_stdname): Add ior, xor.
1252 (xior): New code iterator.
1253 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1254 (*<code_stdname><mode>qi.byte1-3): Ditto.
1256 2012-02-23 Jakub Jelinek <jakub@redhat.com>
1258 PR tree-optimization/52019
1259 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1262 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1264 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1265 HAVE_INITFINI_ARRAY to work around namespace pollution in
1266 certain versions of newlib system headers.
1267 * config.in: Regenerate.
1268 * configure: Regenerate.
1269 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1270 instead of HAVE_INITFINI_ARRAY.
1272 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
1275 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1276 is not offsettable memory reference.
1278 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1281 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1282 setting avr_need_clear_bss_p for __gnu_lto* symbols.
1284 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1286 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1287 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1289 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1291 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1292 library on Solaris 8 even without TLS support.
1293 * configure: Regenerate.
1295 2012-02-22 Richard Guenther <rguenther@suse.de>
1298 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1299 for GIMPLE_DEBUG stmts.
1301 2012-02-22 Martin Jambor <mjambor@suse.cz>
1304 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1305 according to the base object.
1307 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1309 PR rtl-optimization/50063
1310 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1311 and 2 (8-bit SP) in operand 2.
1312 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1313 setup to use movhi_sp_r instead of vanilla move to write SP.
1314 Adjust REG_CFA notes to superseed unspec.
1315 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1317 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1318 known to be off) only with TARGET_NO_INTERRUPTS. Never use
1319 irq_state 1 (IRQ known to be on) here.
1321 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
1323 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1325 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1326 assign_hard_reg): Likewise.
1328 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1330 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1332 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1335 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1336 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1338 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1340 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1341 prototype from here to...
1342 * config/avr/avr.h: ...here.
1344 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
1347 * thumb2.md (thumb2_shiftsi3_short): Split register and
1348 immediate shifts. For register shifts tie operands 0 and 1.
1349 (peephole2 for above): Check that register-controlled shifts
1350 have suitably tied operands.
1352 2012-02-21 Quentin Neill <quentin.neill@amd.com>
1355 * config/i386/bdver1.md (bdver1_call, bdver1_push,
1356 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1357 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1358 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1359 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1360 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1361 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1362 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1363 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1364 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1365 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1366 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1367 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1368 bdver1_ssevector_avx256_unaligned_load,
1369 bdver1_ssevector_sse128_unaligned_load,
1370 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1371 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1372 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1373 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1374 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1375 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1376 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1377 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1378 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1379 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1380 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1381 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1382 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1383 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1384 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1385 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1386 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1387 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1388 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1389 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1390 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1391 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1392 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1393 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1394 bdver1_ssediv_double_load, bdver1_ssediv_double,
1395 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1396 Add "bdver2" attribute.
1398 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1400 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1401 default if possible and not specified otherwise.
1403 2012-02-21 Richard Guenther <rguenther@suse.de>
1406 * gimplify.c (create_tmp_from_val): Use the main variant type
1407 for the type of the temporary we create.
1409 2012-02-21 Richard Guenther <rguenther@suse.de>
1411 PR tree-optimization/52324
1412 * gimplify.c (gimplify_expr): When re-gimplifying expressions
1413 do not gimplify a MEM_REF address operand if it is already
1416 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1418 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1419 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1421 2012-02-21 Richard Guenther <rguenther@suse.de>
1423 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1424 nested_in_vect_loop.
1426 2012-02-21 Jakub Jelinek <jakub@redhat.com>
1428 PR tree-optimization/52318
1429 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1430 vdef also to non-pure/const call stmts in the sequence.
1432 2012-02-21 Tristan Gingold <gingold@adacore.com>
1434 * config/vms/vms-ld.c (main): Fix IDENTIFICATION padding.
1436 2012-02-20 David S. Miller <davem@davemloft.net>
1438 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1439 don't use the "rd %pc" instruction on v9 for PIC register loads.
1441 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
1444 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1445 in a transaction safe function.
1447 2012-02-20 Kai Tietz <ktietz@redhat.com>
1450 * stor-layout.c (place_field): Handle desired_align for
1453 2012-02-20 Richard Guenther <rguenther@suse.de>
1455 PR tree-optimization/52298
1456 * tree-vect-stmts.c (vectorizable_store): Properly use
1457 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1459 (vectorizable_load): Likewise.
1460 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1461 Access DR_STEP after ensuring it is not NULL.
1463 2012-02-20 Jakub Jelinek <jakub@redhat.com>
1465 PR tree-optimization/52286
1466 * fold-const.c (fold_binary_loc): For (X & C1) | C2
1467 optimization use double_int_to_tree instead of build_int_cst_wide,
1468 rewrite to use double_int vars.
1470 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1473 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1475 Remove -e 0 from $gcc_cv_ld invocation.
1476 Only use __GLIBC_PREREQ if defined.
1477 Enable on Solaris since Solaris 8 patch.
1478 (gcc_SUN_LD_VERSION): New macro.
1479 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1480 gcc_SUN_LD_VERSION for version number format.
1481 * configure: Regenerate.
1482 * varasm.c (get_elf_initfini_array_priority_section): Set
1483 SECTION_NOTYPE for non-default priority.
1484 Use get_section instead of get_unnamed_section to emit
1485 .init_array/.fini_array with default priority.
1487 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1489 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1490 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
1491 (mips_start_unique_function, mips_output_mips16_rdhwr)
1492 (mips_code_end): New functions.
1493 (TARGET_ASM_CODE_END): Define.
1495 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1497 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1498 to stubs with non-sibling calls.
1500 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
1502 * doc/invoke.texi (-fira-* options): Copy-edit.
1503 (ira-* parameters): Copy-edit.
1505 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1507 * doc/invoke.texi: Minor copy-edits to bring into conformance with
1508 GCC coding conventions.
1510 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1512 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1513 when used as adjectives.
1515 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
1517 * doc/invoke.texi: Clean up "that"/"which" confusion.
1519 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
1521 * system.h: Poison SMALL_REGISTER_CLASSES
1522 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1523 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1525 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1527 PR tree-optimization/52285
1528 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1529 when deciding if a call is a tail call or tail recursion.
1531 2012-02-16 Kai Tietz <ktietz@redhat.com>
1533 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1534 interger-constant displacement for UNSPEC_PCREL.
1536 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1538 PR rtl-optimization/52208
1539 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1540 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1542 PR tree-optimization/52255
1543 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1544 loop->header has virtual PHI, but exit_e->dest doesn't, add
1545 virtual PHI to exit_e->dest and adjust all uses after the loop.
1548 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1549 children with clone_tree_hash, not after it.
1551 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
1553 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1554 extended identifiers.
1556 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1559 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1560 a same_body_alias, also test whether e->callee isn't a former
1561 or current clone of the decl this is a same body alias of.
1563 PR translation/52264
1564 * cgraphunit.c (verify_cgraph_node): Fix a typo.
1566 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
1568 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1570 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
1573 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1574 force_reg instead of copy_to_reg for better optimization. Force
1575 non-register or memory operands into a register.
1577 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
1579 * extend.texi: Reserve upper bits of memory model for future use.
1581 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
1582 Anatoly Sokolov <aesok@post.ru>
1583 Eric Weddington <eric.weddington@atmel.com>
1586 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1587 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1588 Rewrite initializers for .macro.
1589 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1590 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1591 atxmega32d4, atxmega32x1.
1592 avrxmega4: atxmega64a3, atxmega64d3.
1593 avrxmega5: atxmega64a1, atxmega64a1u.
1594 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1595 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1596 avrxmega7: atxmega128a1, atxmega128a1u.
1597 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1598 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1599 (struct base_arch_s): Rename reserved to xmega_p.
1600 Rename reserved2 to have_rampd.
1601 (AVR_XMEGA): New define.
1602 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1603 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1604 * config/avr/predicates.md (io_address_operand): Take into
1606 (low_io_address_operand): Ditto.
1607 (high_io_address_operand): Ditto.
1608 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1609 (enabled, movhi_sp_r): Use them.
1610 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1611 cpp_define_formatted to built-in define __AVR_ARCH__.
1612 (__AVR_XMEGA__): New built-in define.
1613 (__AVR_HAVE_RAMPD__): New built-in define.
1614 (__AVR_HAVE_RAMPX__): New built-in define.
1615 (__AVR_HAVE_RAMPY__): New built-in define.
1616 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1618 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1619 (avr_option_override): Initialize them.
1620 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1621 (avr_init_expanders): Initialize them. No more block several calls.
1622 (emit_push_sfr): New static function.
1623 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1625 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1626 (avr_print_operand): Print addreeses as symbols for
1627 RAMPX, RAMPY, RAMPD, CCP.
1628 (output_movhi): Handle AVR_XMEGA when writing to SP.
1629 (avr_out_movhi_mr_r_xmega): New static function.
1630 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1631 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
1632 __RAMPD__, __CCP__ as needed.
1634 * config/avr/multilib.h: Regenerate.
1635 * config/avr/t-multilib: Regenerate.
1636 * config/avr/avr-tables.opt: Regenerate.
1638 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
1640 PR tree-optimization/50561
1641 * graphite-flattening.c (lst_project_loop): Do not
1642 remove old scattering dimensions after flattening.
1643 (lst_do_flatten): Likewise.
1645 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
1647 * doc/extend.texi (AVR Built-in Functions): Remove doc for
1648 __builtin_avr_map8, __builtin_avr_map16.
1649 Document __builtin_avr_insert_bits.
1651 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1652 (insert_bits): New insn.
1653 (adjust_len.map_bits): Rename to insert_bits.
1654 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1655 * avr-protos.h (avr_out_map_bits): Remove.
1656 (avr_out_insert_bits, avr_has_nibble_0xf): New.
1657 * config/avr/constraints.md (Cxf,C0f): New.
1658 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1659 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1660 New built-in define __BUILTIN_AVR_INSERT_BITS.
1661 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1662 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1663 (avr_move_bits): Rewrite.
1664 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1666 (avr_map_op_t): New typedef.
1667 (avr_map_op): New static variable.
1668 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1669 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1670 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1671 (bdesc_3arg, avr_expand_triop_builtin): New.
1672 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1673 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1674 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1675 (avr_map_equal_p, avr_map_sig_p): Remove.
1676 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1677 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1678 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1679 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1680 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1681 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1683 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1685 * config/c6x/c6x.md (reserve_cycles): New attribute.
1686 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1687 don't reserve functional units after the branch occurs.
1689 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
1692 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1693 functions into non-tm_pure functions.
1695 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
1698 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1699 (iterative_hash_canonical_type): Likewise.
1700 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1703 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1705 * haifa-sched.c (prune_ready_list): Ensure that if there is a
1706 sched-group insn, it either remains alone or the entire list is pruned.
1708 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1710 * doc/install.texi (Prerequisites): Fix grammar.
1711 (Configuration): Likewise.
1713 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1715 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1716 MPC as part of GCC before describing configuring with --with-gmp etc.
1717 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1718 sources are present.
1720 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1723 * dwarf2out.c (clone_tree_hash): New function.
1724 (copy_decls_walk): Use it instead of clone_tree.
1726 2012-02-14 Richard Guenther <rguenther@suse.de>
1728 PR tree-optimization/52244
1729 PR tree-optimization/51528
1730 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1731 replacements for integral types.
1733 2012-02-14 Walter Lee <walt@tilera.com>
1735 * config.gcc: Handle tilegx and tilepro.
1736 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1738 Add HAVE_AS_TLS check for tilegx and tilepro.
1739 * configure: Regenerate.
1740 * doc/contrib.texi: Add Mat Hostetter and self.
1741 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1742 Document instruction intrinsics and network accessing intrinsics.
1743 (TILEPro Built-in Functions): New node. Document instruction
1744 intrinsics and network accessing intrinsics.
1745 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1746 (Specific, tilepro-*-linux*): Likewise.
1747 * doc/invoke.texi (TILE-Gx Options): New section.
1748 (TILEPro Options): New section.
1749 * doc/md.texi (TILE-Gx): New section.
1750 (TILEPro): New section.
1751 * common/config/tilegx/tilegx-common.c: New file.
1752 * common/config/tilepro/tilepro-common.c: New file.
1753 * config/tilegx/constraints.md: New file.
1754 * config/tilegx/linux.h: New file.
1755 * config/tilegx/mul-tables.c: New file.
1756 * config/tilegx/predicates.md: New file.
1757 * config/tilegx/sync.md: New file.
1758 * config/tilegx/t-tilegx: New file.
1759 * config/tilegx/tilegx-builtins.h: New file.
1760 * config/tilegx/tilegx-c.c: New file.
1761 * config/tilegx/tilegx-generic.md: New file.
1762 * config/tilegx/tilegx-modes.def: New file.
1763 * config/tilegx/tilegx-multiply.h: New file.
1764 * config/tilegx/tilegx-protos.h: New file.
1765 * config/tilegx/tilegx.c: New file.
1766 * config/tilegx/tilegx.h: New file.
1767 * config/tilegx/tilegx.md: New file.
1768 * config/tilegx/tilegx.opt: New file.
1769 * config/tilepro/constraints.md: New file.
1770 * config/tilepro/gen-mul-tables.cc: New file.
1771 * config/tilepro/linux.h: New file.
1772 * config/tilepro/mul-tables.c: New file.
1773 * config/tilepro/predicates.md: New file.
1774 * config/tilepro/t-tilepro: New file.
1775 * config/tilepro/tilepro-builtins.h: New file.
1776 * config/tilepro/tilepro-c.c: New file.
1777 * config/tilepro/tilepro-generic.md: New file.
1778 * config/tilepro/tilepro-modes.def: New file.
1779 * config/tilepro/tilepro-multiply.h: New file.
1780 * config/tilepro/tilepro-protos.h: New file.
1781 * config/tilepro/tilepro.c: New file.
1782 * config/tilepro/tilepro.h: New file.
1783 * config/tilepro/tilepro.md: New file.
1784 * config/tilepro/tilepro.opt: New file.
1786 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1788 PR tree-optimization/52210
1789 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1790 vect_model_simple_cost with two entry vect_def_type array instead
1791 of an address of dt.
1793 2012-02-14 Richard Guenther <rguenther@suse.de>
1796 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1797 Do not stream DECL_QUALIFIER.
1798 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1799 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1800 (find_decls_types_r): Do not walk DECL_QUALIFIER.
1802 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1805 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1808 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1811 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1812 * cselib.c (cselib_subst_to_values_from_insn): New function.
1813 * sched-deps.c (add_insn_mem_dependence,
1814 sched_analyze_1, sched_analyze_2): Use it.
1816 2012-02-13 Jan Hubicka <jh@suse.cz>
1819 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1821 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
1823 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1824 (GTM_SELF_SPECS): Define if not already defined.
1825 (driver_self_specs): Add GTM_SELF_SPECS.
1826 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1827 (GTM_SELF_SPECS): Define.
1828 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1829 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1831 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1833 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1836 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1839 * omp-low.c (expand_omp_for): If a static schedule without chunk size
1840 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1842 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
1845 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1847 2012-02-13 Richard Guenther <rguenther@suse.de>
1849 PR translation/52211
1850 * passes.c (enable_disable_pass): Fix typo.
1852 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1855 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1856 XOR for reduce_bit_field if type is unsigned.
1858 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
1860 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1861 disallow changes from SFmode to mode with different size in FP regs.
1863 2012-02-12 Robert Millan <rmh@gnu.org>
1864 Gerald Pfeifer <gerald@pfeifer.com>
1866 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1869 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
1871 PR rtl-optimization/52175
1872 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1873 to frame-related instructions.
1875 2012-02-10 Jason Merrill <jason@redhat.com>
1878 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1879 (demangle_new_symbols): Fill it.
1880 (scan_linker_output): Walk it.
1881 (start_tweaking): Split out from scan_linker_output.
1882 (maybe_tweak): Update sym->chosen.
1883 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1885 2012-02-11 Jakub Jelinek <jakub@redhat.com>
1888 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1890 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
1892 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1893 having the same mode as previous compare.
1895 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
1897 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1898 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1899 (nonlocal_goto_internal): Likewise.
1900 (nonlocal_goto): Emit a use and an indirect jump directly.
1902 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
1905 * doc/extend.texi : Update comments for __atomic_compare_exchange and
1906 __atomic_{is,always}_lock_free.
1908 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
1911 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1912 negative constant address for TARGET_X32.
1914 2012-02-10 Richard Henderson <rth@redhat.com>
1916 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1917 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1918 for GIMPLE_TRANSACTION. Tidy if's into a switch.
1920 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1921 Ira Rosen <irar@il.ibm.com>
1923 PR tree-optimization/50031
1924 * targhooks.c (default_builtin_vectorization_cost): Handle
1926 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1927 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1928 all types of reduction and pattern statements.
1929 (vect_estimate_min_profitable_iters): Likewise.
1930 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1931 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1932 for explicit realigns.
1933 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1934 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1936 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1937 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1938 vec_perm for VSX and handle vec_promote_demote.
1940 2012-02-10 Jakub Jelinek <jakub@redhat.com>
1943 * builtins.c (fold_builtin_atomic_always_lock_free,
1944 expand_builtin_atomic_always_lock_free,
1945 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1946 Return and/or test boolean_true_node/boolean_false_node instead of
1947 integer_one_node/integer_zero_node.
1949 2012-02-10 Jan Hubicka <jh@suse.cz>
1952 * predict.c (predict_paths_for_bb): Prevent looping.
1953 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1955 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
1957 * config/arm/arm.c (output_move_double): In one case properly
1958 count number of instructions that will be emitted.
1960 2012-02-10 Richard Guenther <rguenther@suse.de>
1962 PR translation/52193
1963 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1965 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
1968 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1970 2012-02-09 Jakub Jelinek <jakub@redhat.com>
1973 * var-tracking.c (emit_note_insn_var_location): If
1974 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1975 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1976 non-NOTE_DURING_CALL_P insn.
1978 2012-02-09 Bin Cheng <bin.cheng@arm.com>
1981 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1983 2012-02-08 Magnus Granberg <zorry@gentoo.org>
1986 * gcc.c (switch_matches) Support switches with separated form,
1989 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
1991 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1993 (RAMPZ_ADDR): Ditto.
1994 * config/avr/avr.c (avr_addr_t): New typedef.
1995 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1996 (avr_init_expanders): Initialize it.
1997 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1999 (expand_epilogue): Ditto.
2000 (avr_print_operand): Ditto.
2001 (avr_file_start): Ditto.
2002 (avr_emit_movmemhi): Ditto.
2004 2012-02-08 Richard Guenther <rguenther@suse.de>
2006 PR tree-optimization/46886
2007 * tree-flow.h (do_while_loop_p): Declare.
2008 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2009 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2011 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
2013 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2014 always succeed for integers larger than a native word.
2016 2012-02-08 Richard Guenther <rguenther@suse.de>
2018 PR rtl-optimization/52170
2019 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2020 properly handle integer vector modes.
2022 2012-02-08 Jakub Jelinek <jakub@redhat.com>
2024 PR gcov-profile/52150
2025 * coverage.c: Include target.h.
2026 (build_var): Call targetm.strip_name_encoding on the assembler name.
2027 Change one _ into . or $ if the target allows it.
2028 * Makefile.in (coverage.o): Depend on $(TARGET_H).
2030 PR rtl-optimization/52139
2031 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2032 is a BARRIER after emit_insn_after_noloc, move BB_END
2033 to the last non-BARRIER insn before it.
2035 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
2038 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2039 (mips_gimplify_va_arg_expr): Call it instead of
2040 std_gimplify_va_arg_expr.
2042 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
2044 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2045 message for -mno-pointers-to-nested-function.
2047 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
2050 * expr.c (get_inner_reference): If there is an offset, add a negative
2051 bit position to it (if any).
2053 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2055 PR rtl-optimization/52060
2056 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2057 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2058 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2059 and/or i0src_copy2 when needed.
2061 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2063 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2064 or LTOPLUGINSONAME if have_c.
2066 * config/freebsd-spec.h: Add comment about what macros can be defined
2068 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2069 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2072 2012-02-07 Richard Guenther <rguenther@suse.de>
2074 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2075 newline in -alias dumps.
2077 2012-02-07 Kai Tietz <ktietz@redhat.com>
2078 Dave Korn <dave.korn.cygwin@gmail.com>
2081 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2082 Take care that typinfo gets dllexport-attribute.
2084 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2087 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2088 if modifier < EXPAND_SUM call force_operand on the result.
2090 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
2092 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2093 adding __forwarder_dst__ prefix if a forwarder_section attribute is
2095 (epiphany_function_type): Replace types for specific interrupts with
2096 EPIPHANY_FUNCTION_INTERRUPT.
2097 (EPIPHANY_INTERRUPT_P): Update.
2098 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2099 New static function.
2100 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2101 <disinterrupt>: Affects type identity.
2102 (epiphany_handle_interrupt_attribute): Handle variable number of
2104 (epiphany_compute_function_type): Update for new
2105 epiphany_function_type definition.
2106 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2107 handlers with a longcall forwarder.
2108 (epiphany_start_function): Handle multiple interrupt arguments and/or
2109 forwarder_section attribute.
2111 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2114 2012-02-07 Alan Modra <amodra@gmail.com>
2117 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2120 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2122 PR tree-optimization/50969
2123 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2124 use vec_perm rather than vector_stmt.
2125 (vect_model_load_cost): Likewise.
2126 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2127 vec_perm to be the same as other vector statements.
2128 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2129 cost of vec_perm for TARGET_VSX.
2131 2012-02-06 Richard Guenther <rguenther@suse.de>
2133 PR tree-optimization/52115
2134 * tree-sra.c (access_has_replacements_p): New function.
2135 (sra_modify_assign): Use it to decide whether a use is uninitialized.
2137 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
2140 * trans-mem.c (expand_call_tm): Add an assertion.
2141 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2144 2012-02-06 Richard Guenther <rguenther@suse.de>
2146 PR tree-optimization/50955
2147 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2148 raise cost of expressions that replace an address with an
2149 expression based on a different pointer.
2151 2012-02-06 Jakub Jelinek <jakub@redhat.com>
2154 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2155 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2157 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
2160 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2161 -Weffc++ and specify guidelines come from second edition.
2163 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2165 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2166 (sibcall_value_multiple_internal, call_split, call_internal_direct)
2167 (call_direct_split, call_value_split, call_value_internal_direct)
2168 (call_value_direct_split, call_value_multiple_split): Use jal and
2169 jal_macro attributes.
2171 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2173 * reload1.c (reload_regs_reach_end_p): Replace with...
2174 (reload_reg_rtx_reaches_end_p): ...this function.
2175 (new_spill_reg_store): Update commentary.
2176 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2177 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2178 before setting new_spill_reg_store.
2179 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2180 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2181 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2182 for non-spill reload registers.
2184 2012-02-05 Ira Rosen <irar@il.ibm.com>
2186 PR tree-optimization/52091
2187 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2188 (vect_is_simple_use_1): Likewise.
2189 * tree-vect-loop.c (vectorizable_reduction): Update calls
2190 to vect_is_simple_use_1 and vect_is_simple_use.
2191 (vectorizable_live_operation): Likewise.
2192 * tree-vect-patterns.c (widened_name_p,
2193 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2194 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2195 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2196 vectorizable_shift,vectorizable_operation, vectorizable_store,
2197 vectorizable_load): Likewise.
2198 (vect_is_simple_cond): Add an argument, pass it to
2199 vect_is_simple_use_1.
2200 (vectorizable_condition): Update calls to vect_is_simple_cond,
2202 (vect_is_simple_use): Add an argument, the statement in which
2203 OPERAND is used. Check that if OPERAND's def stmt is a double
2204 reduction phi node, the use is a phi node too.
2205 (vect_is_simple_use_1): Add an argument, pass it to
2207 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2208 to vect_is_simple_use.
2210 2012-02-04 Jakub Jelinek <jakub@redhat.com>
2212 PR rtl-optimization/52095
2213 * modulo-sched.c (dump_insn_locator): New function.
2214 (loop_canon_p, sms_schedule): Use it.
2216 PR rtl-optimization/52113
2217 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2218 even for decomposable shift/zext insns.
2220 2012-02-03 Jakub Jelinek <jakub@redhat.com>
2221 Zdenek Dvorak <ook@ucw.cz>
2223 PR rtl-optimization/52092
2224 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2225 on get_iv_value result.
2227 2012-02-02 Andrew Pinski <apinski@cavium.com>
2231 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2233 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2236 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2238 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
2240 PR rtl-optimization/49800
2241 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2242 (sched_finish): Call regstat_free_n_sets_and_refs.
2244 2012-02-02 Jia Liu <proljc@gmail.com>
2246 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2249 2012-02-02 Jan Hubicka <jh@suse.cz>
2250 Tom de Vries <tom@codesourcery.com>
2253 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2254 * varpool.c (varpool_analyze_pending_decls): Likewise.
2256 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2257 Jayant R Sonar <jayant.sonar@kpitcummins.com>
2259 * config.gcc: Add cr16-* support.
2261 * doc/extend.texi: Document cr16 extensions.
2262 * doc/install.texi: Document cr16 install.
2263 * doc/invoke.texi: Document cr16 options.
2264 * doc/md.texi: Document cr16 constraints.
2266 * common/config/cr16/cr16-common.c: New file.
2267 * config/cr16/cr16.c: New file.
2268 * config/cr16/cr16.h: New file.
2269 * config/cr16/cr16.md: New file.
2270 * config/cr16/cr16.opt: New file.
2271 * config/cr16/cr16-protos.h: New file.
2272 * config/cr16/predicates.md: New file.
2273 * config/cr16/constraints.md: New file.
2274 * config/cr16/t-cr16: New file.
2276 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2279 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2280 that operands[2] is either immediate, or q_regs_operand.
2282 PR tree-optimization/52073
2283 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2284 a pattern stmt for pattern uses, ignore uses outside of the loop.
2286 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2288 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2289 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2290 (OUT_AS1, OUT_AS2): Remove.
2292 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2294 PR rtl-optimization/51374
2295 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2296 to cross other volatile_refs_p insns.
2298 2012-02-01 Richard Guenther <rguenther@suse.de>
2300 * doc/invoke.texi (fno-inline): Clarify documentation.
2301 (finline-small-functions): Likewise.
2302 (finline-functions): Likewise.
2303 * common.opt (finline): Adjust comment and documentation.
2304 (finline-small-functions): Clarify documentation.
2305 (finline-functions): Likewise.
2306 (finline-functions-called-once): Likewise.
2308 2012-02-01 Tristan Gingold <gingold@adacore.com>
2310 * c-typeck.c (composite_type): Keep mode for pointers.
2312 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
2314 * function.h (regno_reg_rtx): Adjust comment.
2315 * reginfo.c (init_reg_modes_target): Only use the previous mode
2316 if it fits within one register. Remove MIPS comment.
2318 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2321 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2323 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2325 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2326 to srak instruction.
2328 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2330 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2332 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2337 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2339 2012-01-31 Richard Guenther <rguenther@suse.de>
2341 PR tree-optimization/51528
2342 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2345 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2350 * ree.c (add_removable_extension): Change def_map argument
2351 to unsigned *, store in def_map 1 + offset into *insn_list vector
2352 instead of pointers into the vector.
2353 (find_removable_extensions): Adjust caller.
2355 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2357 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2358 Transform all "* quoted-c-code" to { c-code }.
2359 Remove redundant test for "optimize" in combine patterns.
2360 Move (include "avr-dimode.md") to end of file.
2362 2012-01-30 Bin Cheng <bin.cheng@arm.com>
2365 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2366 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2368 2012-01-30 Richard Guenther <rguenther@suse.de>
2370 PR tree-optimization/52028
2371 * tree-loop-distribution.c (ldist_gen): Properly update
2374 2012-01-30 Jakub Jelinek <jakub@redhat.com>
2377 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2378 set_cur_line_info_table if not emitting debug info.
2380 PR tree-optimization/52046
2381 * tree-vect-patterns.c (check_bool_pattern): Give up if
2382 a comparison could throw.
2385 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2387 2012-01-30 Richard Guenther <rguenther@suse.de>
2389 PR tree-optimization/52045
2390 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2391 SSA form if cfgcleanup did anything.
2393 2012-01-30 Richard Guenther <rguenther@suse.de>
2395 PR tree-optimization/52045
2396 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2397 before computing final todo.
2399 2012-01-30 Richard Guenther <rguenther@suse.de>
2401 PR tree-optimization/51528
2402 * tree-sra.c (sra_modify_assign): Re-factor in preparation
2405 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
2407 * df-problems.c (df_kill_notes): Check that the use refers
2408 to the note under examination.
2410 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
2413 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2414 parameter and use short-lived pseudos.
2415 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2416 (sparc_expand_vector_init): Const-ify local variables and adjust
2417 calls to above functions.
2419 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2421 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2423 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
2425 * doc/invoke.texi: Make usage of "compile time" and
2426 "run time"/"runtime" consistent throughout the file.
2428 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
2430 * config/alpha/alpha.c (alpha_option_override): Default to
2431 full IEEE compliance mode for Go language.
2433 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
2435 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2436 (LINK_SSP_SPEC): Define.
2438 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2441 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2444 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
2446 * doc/invoke.texi: Correct hyphenation of "floating point",
2447 "double precision", and related terminology throughout the file.
2449 2012-01-28 Jakub Jelinek <jakub@redhat.com>
2452 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2453 arm_general_register_operand predicate for operand 2 instead of
2456 2012-01-27 Ian Lance Taylor <iant@google.com>
2459 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2460 * builtins.c (expand_builtin_init_trampoline): Add onstack
2461 parameter. Change caller.
2462 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2463 * tree.c (build_common_builtin_nodes): Declare
2464 __builtin_init_heap_trampoline.
2466 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
2468 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2469 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2470 * config/avr/avr.c: Ditto.
2471 (avr_regnames): Remove because unused.
2472 * config/avr/avr.md (*cpse.ne): New peephole.
2473 (*cpse.eq): New peephole from former cpse peepholes.
2475 2012-01-27 Michael Eager <eager@eagercon.com>
2477 * config/microblaze.c (microblaze_emit_compare): Correct
2478 test after pcmp instruction.
2480 2012-01-27 Richard Guenther <rguenther@suse.de>
2482 PR tree-optimization/52020
2483 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2485 2012-01-27 Richard Guenther <rguenther@suse.de>
2487 * ipa-pure-const.c (check_stmt): Clobbers do not make a
2488 function non-const/pure.
2490 2012-01-27 Richard Guenther <rguenther@suse.de>
2492 PR tree-optimization/50444
2493 * tree-sra.c (build_ref_for_offset): Properly adjust the
2494 MEM_REF type for unaligned accesses.
2496 2012-01-27 Richard Guenther <rguenther@suse.de>
2498 PR tree-optimization/50444
2499 * expr.c (mem_ref_refers_to_non_mem_p): New function.
2500 (expand_assignment): Use it. Properly handle misaligned
2501 bases when expanding stores to component references.
2502 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2505 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
2508 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2509 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2510 * tree-data-ref.c (find_data_references_in_loop): Make static.
2511 (compute_all_dependences): Change return type to bool. Bail out
2512 for too many datarefs in a loop. Move the hunk resetting the data
2513 dependences vector from ...
2514 (compute_data_dependences_for_loop): ... here. Account for
2515 compute_all_dependences returning false.
2516 (compute_data_dependences_for_bb): Likewise.
2517 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2518 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2520 2012-01-27 Richard Guenther <rguenther@suse.de>
2523 * expr.c (store_field): Use the alias-set of the scratch memory
2526 2012-01-27 Tom de Vries <tom@codesourcery.com>
2528 PR tree-optimization/51990
2529 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2531 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2533 2012-01-27 Jakub Jelinek <jakub@redhat.com>
2536 * var-tracking.c (reverse_op): Don't add any reverse operation
2537 if V already has any constant locations.
2539 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2541 * doc/invoke.texi: Correct usage of "command line" (noun)
2542 vs "command-line" (adjective) throughout.
2544 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2546 * doc/invoke.texi (Language Independent Options): Move
2547 -Wcoverage-mismatch blurb from here....
2548 (Warning Options): ...to here.
2550 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
2552 * config/rs6000/rs6000.c (rs6000_option_override_internal):
2553 Set rs6000_always_hint to false for 476.
2555 2012-01-27 Matthias Klose <doko@ubuntu.com>
2557 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2559 * incpath.c (add_standard_paths): Likewise.
2561 2012-01-27 Richard Henderson <rth@redhat.com>
2563 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2564 * config/m68k/sync.md (atomic_test_and_set): Rename from
2565 sync_test_and_setqi and adjust the operands.
2566 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2567 and unconditionally enable.
2569 2012-01-27 Richard Henderson <rth@redhat.com>
2571 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2572 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2573 (ldstub): Rename from ldstubqi.
2574 (ldstub<I24MODE>): Remove.
2576 2012-01-27 Richard Henderson <rth@redhat.com>
2578 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2579 * c-cppbuiltin.c (cpp_atomic_builtins): Define
2580 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2581 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2582 * doc/tm.texi: Rebuild.
2584 2012-01-27 Richard Henderson <rth@redhat.com>
2586 * optabs.c (gen_atomic_test_and_set): Remove default.
2587 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2589 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2591 PR rtl-optimization/51978
2592 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2593 (combine_reaching_defs): Likewise.
2594 (struct re_info): Remove.
2595 (add_removable_extension): Remove x and data arguments,
2596 add insn, insn_list and def_map. Use the arguments directly
2597 instead of using struct re_info.
2598 (find_removable_extensions): Don't call add_removable_extension
2599 through note_stores, instead just call it with single_set
2601 (find_and_remove_re): Pass curr_cand->expr instead of
2602 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2604 2012-01-26 Michael Matz <matz@suse.de>
2606 PR tree-optimization/46590
2607 * cfgexpand.c: Revert last change (r183305).
2608 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2610 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2611 checking for emptiness.
2613 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2616 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2617 non-addressable non-BLKmode base correctly.
2619 2012-01-26 Michael Matz <matz@suse.de>
2621 PR tree-optimization/48794
2622 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2623 regions referenced from RESX/EH_DISPATCH.
2625 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2627 * config/s390/s390.h: Make BRANCH_COST an option.
2628 * config/s390/s390.opt: New option -mbranch-cost.
2630 2012-01-26 Richard Henderson <rth@redhat.com>
2632 Revert 2012-01-24 change:
2633 * trans-mem.c (requires_barrier): Do not instrument thread local
2634 variables and emit save/restore for them.
2636 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2639 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2642 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
2644 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2647 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
2650 Rename __pgm to __flash.
2651 Rename __pgm1 to __flash1.
2652 Rename __pgm2 to __flash2.
2653 Rename __pgm3 to __flash3.
2654 Rename __pgm4 to __flash4.
2655 Rename __pgm5 to __flash5.
2656 Rename __pgmx to __memx.
2657 * doc/extend.texi (AVR Named Address Spaces)
2658 Rename address space names as indicated above.
2659 * config/avr/avr.c (avr_addrspace): Ditto.
2661 * config/avr/avr-protos.h
2662 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2663 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2664 * config/avr/predicates.md: Ditto.
2665 * config/avr/avr.c Ditto, and
2666 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2667 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2669 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2670 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2671 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2672 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2673 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2674 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2675 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2676 * config/avr/avr.c: Ditto.
2677 * config/avr/avr.md: Ditto.
2679 2012-01-25 Jason Merrill <jason@redhat.com>
2682 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2684 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2686 PR tree-optimization/51987
2687 * tree-data-ref.c (get_references_in_stmt): Handle references in
2688 non-volatile GIMPLE_ASM.
2690 2012-01-25 Richard Guenther <rguenther@suse.de>
2692 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2693 bases are dereferenced.
2695 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2697 PR rtl-optimization/48374
2698 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2700 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2702 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2703 compute_data_dependences_for_loop returns false.
2704 * tree-parloops.c (loop_parallel_p): Likewise.
2706 2012-01-25 Richard Guenther <rguenther@suse.de>
2708 * tree.h (get_pointer_alignment_1): Declare.
2709 * builtins.c (get_pointer_alignment_1): New function.
2710 (get_pointer_alignment): Use it.
2712 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2714 PR rtl-optimization/48308
2715 * combine.c (enum undo_kind): Add UNDO_LINKS.
2716 (struct undo): Add member l to other_contents and where.
2717 (do_SUBST_LINK): New.
2719 (try_combine): Handle LOG_LINKS for the dummy i1 case.
2720 (undo_all): Handle UNDO_LINKS.
2722 2012-01-25 Richard Henderson <rth@redhat.com>
2724 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2727 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2729 * optabs.c (gen_atomic_test_and_set): Use each argument.
2731 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2733 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2734 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2735 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2736 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2737 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2738 TARGET_PAIRED_SINGLE_FLOAT.
2740 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2742 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2743 (in_struct, return_val): Remove MEM documentation.
2744 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2745 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2746 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2748 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2749 * cfgexpand.c (add_alias_set_conflicts): Likewise.
2750 * expr.c (store_field): Likewise.
2751 * function.c (assign_stack_temp_for_type): Likewise.
2752 * ifcvt.c (noce_try_cmove_arith): Likewise.
2753 * reload1.c (reload): Likewise.
2754 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2755 (alpha_set_memflags): Likewise.
2756 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2758 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2760 * rtl.h (true_dependence, canon_true_dependence): Remove varies
2762 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2763 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2764 (true_dependence_1, true_dependence, canon_true_dependence): Remove
2766 * cselib.c (cselib_rtx_varies_p): Delete.
2767 (cselib_invalidate_mem): Update call to canon_true_dependence.
2768 * dse.c (record_store, check_mem_read_rtx): Likewise.
2769 (scan_reads_nospill): Likewise.
2770 * cse.c (check_dependence): Likewise.
2771 (cse_rtx_varies_p): Delete.
2772 * expr.c (safe_from_p): Update call to true_dependence.
2773 * ira.c (validate_equiv_mem_from_store): Likewise.
2774 (memref_referenced_p): Likewise.
2775 * postreload-gcse.c (find_mem_conflicts): Likewise.
2776 * sched-deps.c (sched_analyze_2): Likewise.
2777 * store-motion.c (load_kills_store): Likewise.
2778 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2779 * gcse.c (mems_conflict_for_gcse_p): Likewise.
2780 (compute_transp): Update call to canon_true_dependence.
2782 2012-01-25 Richard Henderson <rth@redhat.com>
2784 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2785 (maybe_emit_atomic_test_and_set): New.
2786 (expand_sync_lock_test_and_set): Use it.
2787 (expand_atomic_test_and_set): Likewise.
2788 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2789 the implementation; clarify implementation defined details.
2790 * doc/md.texi (atomic_test_and_set): Document.
2792 2012-01-25 Richard Henderson <rth@redhat.com>
2794 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2796 2012-01-25 Richard Henderson <rth@redhat.com>
2799 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2800 to effect no-op split.
2802 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2805 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2806 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2807 (BT_FN_VOID_PTR_INT_SIZE): New.
2808 (BT_FN_UINT_UINT_VAR): Remove.
2809 (BT_FN_UINT32_UINT32_VAR): New.
2810 (BT_FN_DOUBLE_VPTR): Remove.
2811 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2813 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2814 (_ITM_changeTransactionMode): Same.
2815 (_ITM_memmoveRtWt): Change return type to void.
2816 (_ITM_memcpyRtWt): Same.
2817 (_ITM_memsetW): Same.
2818 (_ITM_RaRD): Change types to double.
2823 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2825 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2826 Patrick Marlier <patrick.marlier@gmail.com>
2828 * trans-mem.c (requires_barrier): Do not instrument thread local
2829 variables and emit save/restore for them.
2831 2012-01-24 Jason Merrill <jason@redhat.com>
2834 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2835 output static aliases.
2837 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2840 * common.opt (-pie, -shared, pie, shared): Change from Common to
2842 * gcc.c (display_help): Display help for -pie and -shared.
2844 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
2847 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2848 Remove note on size/offset limitation.
2849 (AVR Variable Attributes): Add example how to read data located
2850 with progmem. Refer to named address spaces.
2851 * doc/invoke.texi (AVR Options): Fix typo.
2853 2012-01-24 Richard Guenther <rguenther@suse.de>
2855 Forward-port to trunk
2856 2010-09-21 Jakub Jelinek <jakub@redhat.com>
2859 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2860 op0 isn't sufficiently aligned and there is movmisalignM
2861 insn for mode, use it to load op0 into a temporary register.
2863 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2866 * target.def (const_not_ok_for_debug_p): New hook.
2867 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2869 * doc/tm.texi: Regenerated.
2870 * dwarf2out.c (const_ok_for_output_1): If
2871 targetm.const_not_ok_for_debug_p returns true, fail.
2872 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2874 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2876 2012-01-23 Kai Tietz <ktietz@redhat.com>
2879 * config/i386/predicates.md (symbolic_operand): Allow
2880 UNSPEC_PCREL as PIC expression for lea.
2881 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2882 * config/i386/i386.c (ix86_delegitimize_address): Handle
2883 UNSPEC_PCREL for none-MEM, too.
2885 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2887 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2888 (ipa_tm_create_version_alias): Same.
2890 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
2893 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2894 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2896 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2897 Patrick Marlier <patrick.marlier@gmail.com>
2898 Iain Sandoe <developer@sandoe-acoustics.co.uk>
2901 * lto-wrapper.c (run_gcc): Pass the LTO section name to
2902 simple_object_start_read.
2904 2012-01-23 Richard Guenther <rguenther@suse.de>
2907 PR tree-optimization/51895
2908 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2909 parameter decomposition into BLKmode components.
2911 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
2913 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2914 fake variables for restrict-qualified pointers whose pointed-to type
2915 contains a placeholder.
2917 2012-01-23 Richard Guenther <rguenther@suse.de>
2919 PR tree-optimization/51949
2920 * ipa-split.c (execute_split_functions): Do not split malloc functions.
2922 2012-01-23 Jakub Jelinek <jakub@redhat.com>
2924 PR rtl-optimization/51933
2925 * ree.c (transform_ifelse): Return true right away if dstreg is
2926 already wider or equal to cand->mode.
2927 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2928 (make_defs_and_copies_lists): Remove defs_list and copies_list
2929 arguments, add state argument, just truncate state->work_list
2930 instead of always allocating and freeing the vector. Assert that
2931 get_defs succeeds instead of returning 2. Changed return type to bool.
2932 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
2933 have ext_src_mode, see if it has been modified already with the
2934 right kind of extension and has been extended before from the
2935 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
2936 just return true. Remember the original mode in state->modified array.
2937 (combine_reaching_defs): Add state argument. Don't allocate and
2938 free here def_list, copied_list and vec vectors, instead just
2939 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
2940 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2941 Add state variable, clear vectors in it, initialize state.modified
2942 if needed. Free all the vectors at the end and state.modified too.
2943 Don't skip a candidate if the extension expression has been modified.
2945 2012-01-22 Douglas B Rupp <rupp@gnat.com>
2948 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2949 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2950 (extra_options) interix.opt -> i386/interix.opt"
2951 (extra_objs):Add winnt-stubs.o
2952 * configure.ac: Add interix to target_os .comm on PE check.
2953 * configure: Regenerate.
2954 * config/interix3.h: Delete and move bits to..
2955 * config/interix.h: Delete and move bits to..
2956 * config/i386/i386-interix3.h: Delete and move bits to..
2957 * config/i386/i386-interix.h: ..here.
2958 (TARGET_CPU_DEFAULT): Remove redefinition.
2959 (TARGET_ASM_CONSTRUCTOR): Undefine.
2960 (SUBTARGET_SWITCHES): Define for ms-bitfields.
2961 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2962 (PTRDIFF_TYPE): Define.
2963 (LONG_DOUBLE_TYPE_SIZE): Define.
2964 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2965 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2966 (TARGET_SECTION_TYPE_FLAGS): Define.
2967 (ASM_DECLARE_FUNCTION_NAME): Define.
2968 (ASM_OUTPUT_EXTERNAL): Define.
2969 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2970 (ASM_OUTPUT_ALIGNED_BSS): Define.
2971 (PCC_BITFIELD_TYPE_MATTERS): Define.
2972 (USE_CONST_SECTION): Define.
2973 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2974 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2975 (SUPPORTS_ONE_ONLY): Remove.
2976 (I386_PE_STRIP_ENCODING): Define.
2977 * config/interix.opt: Delete and move bits to..
2978 * config/i386/interix.opt: ..here. New.
2979 (mpe-aligned-commons): Add.
2980 * config/i386/t-interix: Add copyright header.
2981 (winnt-stubs.o): Add rule.
2983 2012-01-22 Jason Merrill <jason@redhat.com>
2986 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2987 for extra name aliases.
2989 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
2991 PR rtl-optimization/51924
2992 * ree.c (combine_set_extension): Improve debugging message.
2993 (combine_reaching_defs): Likewise.
2994 (get_defs): Rename confusingly named variable.
2995 (find_and_remove_re): Skip a candidate if the extension expression has
2998 2012-01-21 Robert Millan <rmh@gnu.org>
2999 Gerald Pfeifer <gerald@pfeifer.com>
3001 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
3002 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
3004 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3006 PR tree-optimization/51914
3007 * tree-vect-stmts.c (vectorizable_conversion): For
3008 cvt_type && modifier == WIDEN, put temporary with cvt_type
3009 at the beginning of vec_dsts and set vec_dest to temporary
3012 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
3014 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
3016 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
3018 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
3019 * config/rs6000/rs6000.c: Likewise.
3021 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3024 * config/arm/arm.c (arm_count_output_move_double_insns): Call
3025 output_move_double on a copy of operands array.
3027 2012-01-20 Cary Coutant <ccoutant@google.com>
3028 Dodji Seketeli <dodji@redhat.com>
3031 * dwarf2out.c (copy_declaration_context): Return ref to parent
3032 of declaration DIE, if necessary.
3033 (remove_child_or_replace_with_skeleton): Add new parameter; update
3034 caller. Place skeleton DIE under parent DIE of original declaration.
3035 Move call to copy_declaration_context to here ...
3036 (break_out_comdat_types): ... from here.
3038 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3040 PR rtl-optimization/51856
3041 * reload.c (find_reloads_subreg_address): Set the address_reloaded
3044 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3047 * config/arm/arm.c (arm_print_operand): Correct output of alignment
3048 hints for neon loads and stores.
3050 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
3054 * doc/extend.texi (Named Address Spaces): Split into subsections.
3055 (AVR Named Address Spaces): New subsection.
3056 (M32C Named Address Spaces): New subsection.
3057 (RL78 Named Address Spaces): New subsection.
3058 (SPU Named Address Spaces): New subsection.
3059 (Variable Attributes): New anchor "AVR Variable Attributes".
3060 (AVR Variable Attributes): Rewrite and avoid wording
3061 "address space" in this context.
3062 * doc/invoke.texi (AVR Options): Rewrite and add documentation
3063 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
3064 (AVR Built-in Macros): New subsubsection therein.
3065 * doc/md.texi (AVR constraints): Remove "C04", "R".
3067 2012-01-20 Richard Guenther <rguenther@suse.de>
3069 PR tree-optimization/51903
3070 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
3071 when removing stmts.
3073 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3076 * config/arm/arm.c (arm_load_pic_register): Use
3077 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
3078 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
3079 (arm_pic_static_addr): Likewise.
3080 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
3081 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
3082 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
3083 (pic_load_addr_unified): New.
3085 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
3088 * function.c (instantiate_virtual_regs_in_insn): Use
3089 delete_insn_and_edges when removing a wrong asm insn.
3091 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
3093 PR rtl-optimization/40761
3094 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
3095 Add new member loop_num.
3096 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
3097 (ira_build): Remove the parameter.
3099 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
3100 (ira.c): Do not build CFG loops for one region allocation. Remove
3101 argument from ira_build call.
3103 * ira-build.c (init_loop_tree_node): New function.
3104 (create_loop_tree_nodes): Use it. Separate the case when CFG
3105 loops are not built.
3106 (more_one_region_p): Check current_loops.
3107 (finish_loop_tree_nodes): Separate the case when CFG loops are not
3109 (add_loop_to_tree): Process loop equal to NULL too.
3110 (form_loop_tree): Separate the case when CFG loops are not built.
3111 Use explicitly number for the root.
3112 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
3114 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
3115 instead of loop->num.
3116 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
3117 (mark_all_loops_for_removal): Ditto.
3118 (remove_unnecessary_regions): Separate the case when CFG loops
3120 (ira_build): Remove the parameter. Use explicit number of regions
3121 when CFG loops are not built.
3123 * ira-color.c (print_loop_title): Separate the case for the root node.
3124 Use loop_num instead of loop->num.
3125 (move_spill_restore): Use loop_num instead of loop->num.
3127 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
3128 (change_loop): Ditto.
3129 (change_loop): Use loop_num instead of loop->num.
3131 * ira-lives.c (process_bb_node_lives): Ditto.
3133 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
3135 * ira-conflicts.c (print_allocno_conflicts): Ditto.
3137 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3140 * tree-mudflap.c (mf_artificial): New function.
3141 (execute_mudflap_function_ops, execute_mudflap_function_decls,
3142 mx_register_decls, mudflap_enqueue_decl): Use it.
3145 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
3146 numbers in the insn pattern.
3148 2012-01-19 Michael Matz <matz@suse.de>
3150 PR tree-optimization/46590
3151 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
3152 use it in remembering which conflicts we already created.
3153 (add_scope_conflicts): Adjust call to above, (de)allocate helper
3156 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
3159 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
3160 (merge_and_complain): Same.
3162 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3165 * config/initfini-array.h: Guard content of the header
3166 with #ifdef HAVE_INITFINI_ARRAY.
3167 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
3168 Add initfini-array.h to tm_file here.
3169 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
3170 * config.gcc: Don't add initfini-array.h to tm_file here.
3171 * configure: Regenerated.
3173 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
3175 PR rtl-optimization/51505
3176 * df-problems.c (df_kill_notes): New parameter live. Update comment.
3177 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3178 (df_note_bb_compute): Update the call to df_kill_notes.
3180 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
3182 * trans-mem.c (requires_barrier): Remove call to is_global_var.
3184 2012-01-18 Richard Guenther <rguenther@suse.de>
3186 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3187 of conversions to void *.
3189 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3190 Richard Sandiford <rdsandiford@googlemail.com>
3194 * optabs.h (simplify_expand_binop): Declare.
3195 * optabs.c (simplify_expand_binop): Make global.
3196 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3197 endian targets if the source cannot be exactly covered by word
3200 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3203 * hard-reg-set.h (struct hard_reg_set_container): New type.
3204 * target.h (struct hard_reg_set_container): Forward declare.
3205 * target.def (set_up_by_prologue): New target hook.
3206 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3207 * doc/tm.texi: Regenerated.
3208 * function.c (thread_prologue_and_epilogue_insns): Change
3209 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3210 Call targetm.set_up_by_prologue on it.
3211 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3212 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3214 2012-01-17 Nick Clifton <nickc@redhat.com>
3216 * config/rx/rx.c (rx_can_use_simple_return): New function.
3217 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3218 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3220 2012-01-17 Richard Guenther <rguenther@suse.de>
3223 * expr.c (expand_assignment): Take address-space information
3224 from the address operand of MEM_REF and TARGET_MEM_REF.
3225 (expand_expr_real_1): Likewise.
3227 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3229 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3230 reload dump is requested.
3232 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
3235 * trans-mem.c (requires_barrier): Call may_be_aliased.
3237 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3239 PR tree-optimization/51877
3240 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3241 call arguments and fndecls compare equal, instead return false if they
3242 don't. Return true only if lhs1 and lhs2 are either both NULL, or
3243 both SSA_NAMEs that are valueized the same, or they satisfy
3246 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3248 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3250 * configure: Regenerate.
3252 2012-01-16 Jan Hubicka <jh@suse.cz>
3256 * convert.c (convert_to_integer): Use fold_convert for
3257 converting an INTEGER_CST to integer type.
3259 2012-01-16 Jason Merrill <jason@redhat.com>
3262 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3264 2012-01-16 Jakub Jelinek <jakub@redhat.com>
3267 * config/s390/s390.c (s390_chunkify_start): Don't skip
3268 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
3269 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3270 If insn is followed by NOTE_INSN_VAR_LOCATION or
3271 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3272 Don't use location of note insns.
3274 PR tree-optimization/51865
3275 * tree-inline.c (tree_function_versioning): Call remap_decl
3276 on DECL_RESULT whenever it has VOID_TYPE_P type.
3278 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3280 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3281 for calls to locally-binding MIPS16 functions if only the return
3282 type uses float regs.
3284 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
3285 Richard Sandiford <rdsandiford@googlemail.com>
3287 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3288 (SYMBOL_32_HIGH): Likewise.
3289 (mips_output_tls_reloc_directive): Declare.
3290 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3291 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3292 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3293 (mips_lo_relocs, mips_hi_relocs): Make extern.
3294 (mips16_stub_function): Move up file.
3295 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3296 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
3297 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
3298 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3299 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
3300 (mips_get_tp): Add MIPS16 support.
3301 (mips_legitimize_tls_address): Remove MIPS16 sorry().
3302 Generalize DTPREL and TPREL handling.
3303 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3304 Add MIPS16 TLS support.
3305 (mips_output_tls_reloc_directive): New function.
3306 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3307 * config/mips/predicates.md (symbolic_operand_with_high)
3308 (tls_reloc_operand): New predicates.
3309 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3310 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3311 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3312 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
3313 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3314 (*tls_get_tp_mips16_call_<mode>): Likewise.
3316 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
3318 PR rtl-optimization/51821
3319 * recog.c (peep2_find_free_register): Determine clobbered registers
3322 2012-01-14 Denis Chertykov <chertykov@gmail.com>
3325 * config/avr/avr-protos.h: Revert change of 2012-01-09.
3326 * config/avr/avr.c: Likewise.
3327 * config/avr/avr.h: Likewise.
3329 2012-01-13 Ian Lance Taylor <iant@google.com>
3332 * tree.h (TYPE_QUALS): Add cast to int.
3333 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3335 2012-01-13 Ian Lance Taylor <iant@google.com>
3337 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3338 comparing param_index to VEC_length result.
3340 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
3342 * c-decl.c: Do not include tree-mudflap.h
3343 * tree-optimize.c: Likewise.
3344 * Makefile.in: Update dependencies.
3346 2012-01-13 Richard Guenther <rguenther@suse.de>
3349 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3350 variable-sized result always use RSO.
3352 2012-01-12 DJ Delorie <dj@redhat.com>
3354 * cfgexpand.c (convert_debug_memory_address): Allow any valid
3355 pointer type, not just the default pointer type.
3357 2012-01-09 Richard Henderson <rth@redhat.com>
3358 Denis Chertykov <chertykov@gmail.com>
3361 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3362 * config/avr/avr.c (avr_can_eliminate): Simplify.
3363 (avr_initial_elimination_offset): Likewise.
3364 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3365 (expand_epilogue): Likewise.
3366 (avr_legitimize_address): Gut.
3367 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3368 (avr_hard_regno_nregs): New.
3369 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3370 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3371 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3372 add soft frame pointer.
3373 (CALL_USED_REGISTERS): Likewise.
3374 (REG_CLASS_CONTENTS): Likewise.
3375 (REGISTER_NAMES): Likewise.
3376 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3377 (HARD_FRAME_POINTER_REGNUM): New.
3378 (FRAME_POINTER_REGNUM): Use soft frame pointer.
3379 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3380 remove the HARD_FRAME_POINTER self-elimination.
3382 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
3385 * config/avr/avr.c (avr_encode_section_info): Test for absence of
3386 DECL_EXTERNAL when checking for initializers of progmem variables.
3388 2012-01-12 Ira Rosen <irar@il.ibm.com>
3390 PR tree-optimization/51799
3391 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3392 that the last operation is a type demotion.
3394 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
3396 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3397 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3399 2012-01-11 Jakub Jelinek <jakub@redhat.com>
3402 * combine.c (distribute_notes): If i3 is a noreturn call,
3403 allow old_size to be equal to args_size and make sure the
3404 noreturn call gets REG_ARGS_SIZE note.
3405 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3406 on noreturn calls even when the delta is 0.
3408 2012-01-11 Nathan Sidwell <nathan@acm.org>
3410 * gcov.c (STRING_SIZE): Remove.
3411 (generate_results): Erase annotations for source files with no
3412 coverage information.
3414 (output_lines): Use it.
3416 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3418 * gimple.h (gimplify_body): Remove first argument.
3419 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
3420 pointer set here, instead just pass DATA to walk_tree.
3421 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
3422 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3423 (unvisit_body): Likewise, but with unmark_visited.
3424 (gimplify_body): Remove BODY_P argument and adjust.
3425 (gimplify_function_tree): Adjust call to gimplify_body.
3426 * omp-low.c (finalize_task_copyfn): Likewise.
3428 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3430 * tree.h (build_function_decl_skip_args): Add boolean parameter.
3431 (build_function_type_skip_args): Delete.
3432 * tree.c (build_function_type_skip_args): Make static and add
3433 SKIP_RETURN parameter. Fix thinko in the handling of variants.
3434 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3435 pass it to build_function_type_skip_args.
3436 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3437 (tree_function_versioning): Likewise.
3438 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3439 build_function_decl_skip_args.
3440 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3441 and pass it to build_function_decl_skip_args/tree_function_versioning.
3442 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3443 * ipa-inline-transform.c (save_inline_function_body): Likewise.
3444 * trans-mem.c (ipa_tm_create_version): Likewise.
3445 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3446 * tree-inline.c (declare_return_variable): Remove always-true test.
3447 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
3448 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3449 * ipa-split.c (split_function): Skip the return value for the split
3450 part if it doesn't return.
3452 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3454 PR tree-optimization/49642
3455 * ipa-split.c (forbidden_dominators): New variable.
3456 (check_forbidden_calls): New function.
3457 (dominated_by_forbidden): Likewise.
3458 (consider_split): Check for forbidden dominators.
3459 (execute_split_functions): Initialize and free forbidden
3460 dominators info; call check_forbidden_calls.
3462 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3464 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3466 2012-01-11 Nick Clifton <nickc@redhat.com>
3468 * config/rx/rx.md (return): Define pattern.
3470 2012-01-11 Richard Guenther <rguenther@suse.de>
3472 * doc/extend.texi (malloc attribute): Adjust according to
3475 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
3476 Patrick Marlier <patrick.marlier@gmail.com>
3479 * trans-mem.c (get_cg_data): Traverse aliases if requested.
3480 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3481 (ipa_tm_note_irrevocable): Same.
3482 (ipa_tm_scan_irr_block): Same.
3483 (ipa_tm_decrement_clone_counts): Same.
3484 (ipa_tm_scan_irr_function): Same.
3485 (ipa_tm_create_version_alias): Same.
3486 (ipa_tm_create_version): Same.
3487 (ipa_tm_transform_calls_redirect): Same.
3488 (ipa_tm_transform_calls): Same.
3489 (ipa_tm_transform_transaction): Same.
3490 (ipa_tm_execute): Same.
3492 2012-01-10 Richard Guenther <rguenther@suse.de>
3495 * opts.c (common_handle_option): Handle -Werror.
3497 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
3499 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3502 2012-01-10 Jason Merrill <jason@redhat.com>
3504 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3507 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3509 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3510 supports R_386_TLS_GD_PLT reloc.
3511 (gcc_cv_as_ix86_tlsldmplt): Check if linker
3512 supports R_386_TLS_LDM_PLT reloc.
3513 * configure: Regenerate.
3514 * config.in: Regenerate.
3516 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
3519 Extend __pgmx semantics to linearize memory.
3520 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3521 determine if code comes inline or from libgcc.
3522 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3523 (movmem_qi, movmem_qi): Set constraint #2 to "n".
3524 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3525 (movmemx_qi, movmemx_hi): New insns.
3526 (xload_<mode>_libgcc): Rewrite to new insn condition.
3527 (xload_<mode>): Remove insns.
3528 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3529 cases that don't satisfy avr_xload_libgcc_p().
3530 (avr_addr_space_convert): Allow converting in any direction.
3531 (avr_addr_space_subset_p): Return always true.
3532 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3533 (avr_emit_movmemhi): Ditto.
3534 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3535 (avr_out_movmem): Ditto.
3536 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3537 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3538 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3539 (avr_encode_section_info): Encode 'progmem' in symbol flags.
3540 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3542 2012-01-10 Richard Guenther <rguenther@suse.de>
3544 PR tree-optimization/50913
3545 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3546 Require data-refs to be representable by Graphite with respect
3549 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
3551 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3552 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3554 2012-01-10 Tom de Vries <tom@codesourcery.com>
3556 PR rtl-optimization/51271
3557 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3558 handling annulled branch.
3560 2012-01-10 Richard Henderson <rth@redhat.com>
3562 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3563 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3564 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3565 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3566 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3567 arm_expand_vec_perm_const): New.
3568 * config/arm/arm-protos.h: Update.
3569 * config/arm/neon.md (UNSPEC_VCONCAT): New.
3570 (*neon_vswp<VDQX>): New.
3571 (neon_vcombine<VDX>): Use neon_split_vcombine.
3572 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3573 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3574 (vec_perm<VE>): New.
3576 2012-01-10 Richard Henderson <rth@redhat.com>
3578 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3579 use it if reload_completed.
3580 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3581 arm_output_asm_insn, arm_process_output_memory_barrier,
3582 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3583 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3584 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3585 arm_process_output_sync_insn, arm_output_sync_insn,
3586 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3587 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3588 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3589 (emit_unlikely_jump): New.
3590 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3591 (arm_split_atomic_op): New.
3592 * config/arm/arm-protos.h: Update.
3593 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3594 (struct arm_sync_generator): Remove.
3595 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3596 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3597 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3598 (VUNSPEC_LL, VUNSPEC_SC): New.
3599 (sync_result, sync_memory, sync_required_value, sync_new_value,
3600 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3601 (attr length): Don't use arm_sync_loop_insns.
3602 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3603 (movsfcc, movdfcc): Likewise.
3604 * config/arm/constraints.md (Ua): New.
3605 * config/arm/prediates.md (mem_noofs_operand): New.
3606 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3607 (sync_clobber, sync_t2_reqd): Remove.
3608 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3609 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3610 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3611 (arm_sync_compare_and_swap<SIDI>): Remove.
3612 (arm_sync_compare_and_swap<NARROW>): Remove.
3613 (arm_sync_lock_test_and_set<SIDI>): Remove.
3614 (arm_sync_lock_test_and_set<NARROW>): Remove.
3615 (arm_sync_new_<syncop><SIDI>): Remove.
3616 (arm_sync_new_<syncop><NARROW>): Remove.
3617 (arm_sync_new_nand<SIDI>): Remove.
3618 (arm_sync_new_nand<NARROW>): Remove.
3619 (arm_sync_old_<syncop><SIDI>): Remove.
3620 (arm_sync_old_<syncop><NARROW>): Remove.
3621 (arm_sync_old_nand<SIDI>): Remove.
3622 (arm_sync_old_nand<NARROW>): Remove.
3623 (*memory_barrier): Merge arm_output_memory_barrier.
3624 (atomic_compare_and_swap<QHSD>): New.
3625 (atomic_compare_and_swap<NARROW>_1): New.
3626 (atomic_compare_and_swap<SIDI>_1): New.
3627 (atomic_exchange<QHSD>): New.
3628 (cas_cmp_operand, cas_cmp_str): New.
3629 (atomic_op_operand, atomic_op_str): New.
3630 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3631 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3632 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3633 (arm_load_exclusive<NARROW>): New.
3634 (arm_load_exclusivesi, arm_load_exclusivedi): New.
3635 (arm_store_exclusive<QHSD>): New.
3637 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
3639 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3640 reload patterns if -mvsx-scalar-memory.
3642 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3643 generated, even -mno-vsx-scalar-double was used.
3644 (vsx_xscvdpsp_scalar): Likewise.
3645 (vsx_xscvspdp_scalar2): Likewise.
3647 2012-01-09 Tom de Vries <tom@codesourcery.com>
3648 Andrew Pinski <apinski@cavium.com>
3651 * reorg.c (fill_slots_from_thread): Don't speculate
3652 frame-related insns.
3654 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
3656 * sched-int.h (bb_note): Move to...
3657 * basic-block.h: ...here.
3658 * haifa-sched.c (bb_note): Move to...
3659 * cfgrtl.c: ...here.
3660 * function.c (next_block_for_reg): New function.
3661 (move_insn_for_shrink_wrap): Likewise.
3662 (prepare_shrink_wrap): Rewrite to use the above.
3664 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
3666 * gimple.c (is_gimple_non_addressable): Remove.
3667 * gimple.h: Remove is_gimple_non_addressable.
3668 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3669 is_gimple_non_addressable.
3670 * trans-mem.c (expand_assign_tm): Same.
3672 2012-01-09 Richard Guenther <rguenther@suse.de>
3674 PR tree-optimization/51775
3675 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3676 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3678 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3680 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3682 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3684 2012-01-09 Richard Guenther <rguenther@suse.de>
3686 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3688 2012-01-08 Jan Hubicka <jh@suse.cz>
3690 PR tree-optimize/51680
3691 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3692 on when known_vals needs to be computed; cleanup.
3694 2012-01-08 Jan Hubicka <jh@suse.cz>
3696 PR tree-optimize/51694
3697 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3699 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
3701 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3702 for -std=c++98 and -std=c++11 too.
3704 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
3706 * cfgloop.c (cancel_loop): Add free() of bbs array.
3708 2012-01-07 Jan Hubicka <jh@suse.cz>
3710 PR tree-optimization/51600
3711 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3712 that benefits small functions.
3714 2012-01-07 Jan Hubicka <jh@suse.cz>
3716 * ipa-inline.c (want_inline_small_function_p): Fix formating.
3718 2012-01-07 Jan Hubicka <jh@suse.cz>
3720 PR tree-optimization/51680
3721 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3722 whose inlining reduce unit size.
3724 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
3727 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3728 Add canonical node to containing_mem chain after the non-canonical
3729 one, even if there weren't any locs to propagate.
3730 (remove_useless_values): Keep only canonical values.
3731 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3732 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
3733 canonicalize mem_chain elements that are not discarded.
3735 2012-01-06 Jakub Jelinek <jakub@redhat.com>
3738 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3739 before emitting functions.
3741 PR gcov-profile/50127
3742 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3743 clear_aux_for_blocks.
3745 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
3748 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3750 2012-01-06 Arnaud Charlet <charlet@adacore.com>
3752 * c-decl.c (ext_block): Moved up.
3753 (collect_all_refs, for_each_global_decl): Take ext_block into account.
3755 2012-01-06 Han Shen <shenhan@google.com>
3757 Translate built-in include paths for sysroot.
3758 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3759 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3761 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3762 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3764 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3765 control whether sysroot should be prepended to gxx include dir.
3767 * configure: Regenerate.
3769 2012-01-06 Torvald Riegel <triegel@redhat.com>
3771 PR rtl-optimization/51771
3772 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3773 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3775 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3777 PR tree-optimization/51315
3778 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3779 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3781 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
3784 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3785 for shrp pattern. Correctly handle and fixup shift variable.
3786 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3788 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3791 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
3792 note when !ACCUMULATE_OUTGOING_ARGS.
3794 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3796 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3798 (extract_range_from_unary_expr_1): Avoid useless computations.
3800 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3802 PR rtl-optimization/51767
3803 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
3804 of jump_block and add an extra edge for degenerated asm gotos.
3807 * stmt.c (check_unique_operand_names): Don't ICE during error
3808 reporting if i is from labels chain.
3811 * profile.c (branch_prob): Split bbs that have exit edge
3812 and need a fake entry edge too.
3814 2012-01-05 Jan Hubicka <jh@suse.cz>
3817 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
3820 2012-01-05 Richard Guenther <rguenther@suse.de>
3823 * tree-streamer-out.c (write_ts_optimization): New function.
3824 (streamer_write_tree_body): Call it.
3825 * tree-streamer-in.c (lto_input_ts_optimization): New function.
3826 (streamer_read_tree_body): Call it.
3827 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
3829 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3832 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
3833 * gimplify.c (gimplify_cleanup_point_expr): Save and set
3834 in_cleanup_point_expr before gimplify_stmt call and restore it
3836 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
3837 in_cleanup_point_expr is false.
3839 2012-01-05 Richard Guenther <rguenther@suse.de>
3842 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
3844 * toplev.c (process_options): Reject combining mudflap and LTO.
3845 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
3847 2012-01-05 Richard Guenther <rguenther@suse.de>
3849 PR tree-optimization/51760
3850 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
3852 (bit_value_unop): Handle UNDEFINED operands.
3853 (bit_value_binop): Likewise.
3855 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
3857 * config/avr/avr.c (avr_replace_prefix): Remove.
3858 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
3859 (avr_asm_function_rodata_section): Ditto.
3860 (avr_asm_select_section): Ditto.
3862 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
3864 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
3867 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3870 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
3871 calls that have any non-fake successor edges.
3874 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
3876 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
3878 PR tree-optimization/51624
3879 * tree-sra.c (build_ref_for_model): When replicating a chain of
3880 COMPONENT_REFs, stop as soon as the offset would become negative.
3882 2012-01-04 Jakub Jelinek <jakub@redhat.com>
3885 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
3886 in .debug_loc on the floor.
3888 2012-01-04 Andrew Pinski <apinski@cavium.com>
3890 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
3892 2012-01-04 Andrew Pinski <apinski@cavium.com>
3893 Adam Nemet <anemet@caviumnetworks.com>
3895 * config/mips/mips.md (size): Add SI and DI.
3896 (SIZE): New mode attribute.
3897 (U): New code attribute.
3898 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
3899 (mips_lbux_<mode>): Delete.
3900 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
3901 (mips_lhx): Use gen_mips_lhx_extsi.
3902 (mips_lhx_<mode>): Delete.
3904 (mips_l<size>x): New expand.
3905 (mips_lwx_<mode>): Delete.
3906 (mips_l<GPR:size>x_<P:mode>): New pattern.
3907 (*mips_lw<u>x_<P:mode>_ext): Likewise.
3908 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
3909 * config/mips/mips.c (mips_lx_address_p): New function.
3910 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
3911 (dsp64): New availability predicate.
3912 (mips_builtins): Add an entry for __builtin_mips_ldx.
3913 * config/mips/mips.h (ISA_HAS_LBX): New define.
3914 (ISA_HAS_LBUX): Likewise.
3915 (ISA_HAS_LHX): Likewise.
3916 (ISA_HAS_LHUX): Likewise.
3917 (ISA_HAS_LWX): Likewise.
3918 (ISA_HAS_LWUX): Likewise.
3919 (ISA_HAS_LDX): Likewise.
3920 * doc/extend.texi (__builtin_mips_ldx): Document.
3922 2012-01-04 Tristan Gingold <gingold@adacore.com>
3924 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
3925 when long pointers are used.
3926 * config.build (*-*-*vms*): Handle all OpenVMS targets.
3927 (alpha64-dec-*vms*, alpha*-dec-*vms*)
3928 (ia64-hp-*vms*): Remove.
3929 * config/vms/xm-vms64.h: Delete.
3931 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3934 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
3936 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3938 * opts.c (finish_options): Remove duplicate sorry.
3940 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3943 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
3946 2012-01-04 Richard Guenther <rguenther@suse.de>
3949 * tree.c (size_low_cst): New function.
3950 * tree.h (size_low_cst): Declare.
3951 * fold-const.c (fold_comparison): Use it to extract the low
3952 part of the POINTER_PLUS_EXPR offset.
3954 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
3956 Fix clearing ZERO_REG
3957 * config/avr/avr.md (cc): Add alternative "ldi".
3958 (movqi_insn): Use it in cc attribute.
3959 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
3960 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
3961 (output_reload_insisf): Use ZERO_REG to pre-clear register.
3963 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3965 * configure: Regenerate.
3967 2012-01-04 Richard Guenther <rguenther@suse.de>
3969 PR tree-optimization/49651
3970 * tree-ssa-structalias.c (type_can_have_subvars): New function.
3971 (var_can_have_subvars): Use it.
3972 (get_constraint_for_1): Only consider subfields if there can be any.
3974 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3977 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
3978 to its new canonical_cselib_val and the cselib_val was in
3979 first_containing_mem chain, but the canonical_cselib_val was not,
3980 add the latter into the chain.
3981 (cselib_invalidate_mem): Compare canonical_cselib_val of
3982 addr_list chain elt with v.
3985 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
3986 dwarf2out_undef): Allocate e.info using ggc_strdup instead
3988 (output_macinfo_op): Don't ggc_strdup fd->filename.
3989 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
3990 then ggc_strdup it. Don't free inc->info or cur->info.
3991 (output_macinfo): Don't free ref->info or file->info.
3993 2012-01-03 Ira Rosen <irar@il.ibm.com>
3995 PR tree-optimization/51269
3996 * tree-vect-loop-manip.c (set_prologue_iterations): Make
3997 first_niters a pointer.
3998 (slpeel_tree_peel_loop_to_edge): Likewise.
3999 (vect_do_peeling_for_loop_bound): Update call to
4000 slpeel_tree_peel_loop_to_edge.
4001 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
4002 here. Remove it from the parameters list.
4003 (vect_do_peeling_for_alignment): Update calls and compute
4006 2012-01-03 Richard Guenther <rguenther@suse.de>
4008 PR tree-optimization/51070
4009 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
4010 Properly handle calls.
4012 2012-01-03 Richard Guenther <rguenther@suse.de>
4014 PR tree-optimization/51692
4015 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
4016 the LHS of allocation stmts.
4018 2012-01-03 Olivier Hainque <hainque@adacore.com>
4020 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
4022 2012-01-03 Olivier Hainque <hainque@adacore.com>
4024 * collect2.c (main): In AIX specific computations for vector
4025 insertions, use CONST_CAST2 to cast from char ** to const char **.
4027 2012-01-03 Richard Guenther <rguenther@suse.de>
4030 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
4031 the context of a limbo DIE when it does not already exist.
4033 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4035 PR tree-optimization/51719
4036 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
4037 but direct call is, clear direct call's lhs and don't add fallthrough
4038 edge from dcall_bb to join_bb and PHIs.
4040 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4042 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
4043 the instructions emitted by the pattern.
4044 ("*TDC_insn_<mode>"): Add comment.
4046 2012-01-03 Richard Guenther <rguenther@suse.de>
4049 * fold-const.c (fold_comparison): Properly canonicalize
4050 tree offset and HOST_WIDE_INT bit position.
4052 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
4054 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
4055 operands for extzv pattern.
4057 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4060 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
4063 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
4065 * doc/invoke.texi (-flto and related options): Copy-edit.
4067 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4069 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
4071 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4073 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
4076 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4078 * expr.h (move_by_pieces_ninsns): Declare.
4079 * expr.c (move_by_pieces_ninsns): Make external.
4080 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
4081 (mips_store_by_pieces_p): Likewise.
4082 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
4083 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
4084 * config/mips/mips.c (mips_move_by_pieces_p): New function.
4085 (mips_store_by_pieces_p): Likewise.
4087 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4089 * passes.c (register_one_dump_file): Free full_name.
4091 * reload1.c (reload): Don't allocate reg_max_ref_width here.
4092 (calculate_elim_costs_all_insns): Free offsets_at and
4093 offsets_known_at at the end and clear the pointers.
4095 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4097 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
4098 this option introduced in r180739.
4100 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4103 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
4104 (tmake_file target=avr): Add avr/t-multilib.
4106 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
4107 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
4108 * config/avr/genmultilib.awk: New file.
4109 * config/avr/t-multilib: New auto-generated file.
4110 * config/avr/multilib.h: New auto-generated file.
4111 * config/avr/t-avr (AVR_MCUS): New variable.
4112 (genopt.sh): Use it.
4113 (s-mlib): Depend on t-multilib.
4114 (t-multilib, multilib.h): New dependencies.
4115 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
4116 (MULTILIB_OPTIONS): Remove.
4117 (MULTILIB_MATCHES): Remove.
4118 (MULTILIB_DIRNAMES): Remove.
4119 (MULTILIB_EXCEPTIONS): Remove:
4120 * config/avr/genopt.sh: Don't use hard coded file name;
4121 pass AVR_MCUS from t-avr instead.
4123 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4125 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
4127 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4129 Implement light-weight DImode support.
4130 * config/avr/avr-dimode.md: New file.
4131 * config/avr/avr.md: Include it.
4132 (adjust_len): Add plus64, compare64.
4133 (HIDI): Remove code iterator.
4134 (code_stdname): New code attribute.
4135 (rotx, rotsmode): Remove DI.
4136 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
4138 * config/avr/avr-protos.h (avr_have_dimode): New.
4139 (avr_out_plus64, avr_out_compare64): New.
4140 * config/avr/avr.c (avr_out_compare): Handle DImode.
4141 (avr_have_dimode): New variable definition and initialization.
4142 (avr_out_compare64, avr_out_plus64): New functions.
4143 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
4144 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
4145 (avr_compare_pattern): Skip DImode comparisons.
4147 2012-01-02 Revital Eres <revital.eres@linaro.org>
4149 * ddg.c (def_has_ccmode_p): New function.
4150 (add_cross_iteration_register_deps,
4151 create_ddg_dep_from_intra_loop_link): Call it.
4153 2012-01-02 Richard Guenther <rguenther@suse.de>
4156 * invoke.texi (fassociative-math): Remove spurious paranthesis.
4158 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4160 * gcc.c (process_command): Update copyright notice dates.
4161 * gcov.c (print_version): Likewise.
4162 * gcov-dump.c (print_version): Likewise.
4163 * mips-tfile.c (main): Likewise.
4164 * mips-tdump.c (main): Likewise.
4166 2012-01-01 Ira Rosen <irar@il.ibm.com>
4168 PR tree-optimization/51704
4169 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
4170 a use is inside the basic block or loop before accessing its vect info.
4172 2012-01-01 Jan Hubicka <jhjh@suse.cz>
4174 PR rtl-optimization/51069
4175 * cfgloopmanip.c (remove_path): Removing path making irreducible
4176 region unconditional makes BB part of the region.
4178 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4180 PR tree-optimization/51683
4181 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
4182 calls with side-effects.
4183 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
4185 Copyright (C) 2012 Free Software Foundation, Inc.
4187 Copying and distribution of this file, with or without modification,
4188 are permitted in any medium without royalty provided the copyright
4189 notice and this notice are preserved.