1 2012-03-10 Chung-Lin Tang <cltang@codesourcery.com>
3 PR rtl-optimization/52528
4 * combine.c (can_combine_p): Add setting of subst_low_luid
5 before call to expand_field_assignment().
7 2012-03-09 Sandra Loosemore <sandra@codesourcery.com>
9 * doc/invoke.texi: Use correct names/markup for "GCC", "GDB", "ld",
10 and related program names.
12 2012-03-09 Sandra Loosemore <sandra@codesourcery.com>
14 * doc/invoke.texi: Use correct names for "DWARF", "stabs", and "ELF".
16 2012-03-09 Uros Bizjak <ubizjak@gmail.com>
19 * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
20 (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
22 * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
23 (*movdi_internal_rex64): Use %E operand modifier for lea.
24 (*movsi_internal): Ditto.
26 (*lea<mode>_2): Ditto.
27 (*lea_{3,4,5,6}_zext): Ditto.
28 (*tls_global_dynamic_32_gnu): Ditto.
29 (*tls_global_dynamic_64): Ditto.
30 (*tls_dynamic_gnu2_lea_32): Ditto.
31 (*tls_dynamic_gnu2_lea_64): Ditto.
32 (pro_epilogue_adjust_stack_<mode>_add): Ditto.
34 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
36 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
37 redefine to be NULL if the current bit-size is different from the
40 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
41 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
42 set the default tuning. Add asserts to make sure the cpu and tune
43 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
44 test whether the index is set, instead of > 0.
45 (rs6000_file_start): Do not reset the default cpu if the current
46 bit-size is different from the configured bit-size.
48 2012-03-09 Tristan Gingold <gingold@adacore.com>
50 * config/vms/vms-crtlmap.map: Add comments.
51 Add entries needed to build Ada RTS.
53 2012-03-09 Tristan Gingold <gingold@adacore.com>
55 * ginclude/stddef.h: Do not define __size_t on VMS.
57 2012-03-09 Tristan Gingold <gingold@adacore.com>
59 * c-tree.h (c_default_pointer_mode): New variable.
60 * c-decl.c (c_default_pointer_mode): New variable.
61 (c_build_pointer_type): New function.
62 (grokdeclarator): Call c_build_pointer_type instead
63 of build_pointer_type.
65 * config/vms/vms-c.c: Include c-tree.h
66 (saved_pointer_mode): New variable.
67 (handle_pragma_pointer_size): New function.
68 (vms_pragma_pointer_size, vms_pragma_required_pointer_size): Likewise.
69 (vms_c_register_pragma): Register __pointer_size and
70 __required_pointer_size pragmas.
72 2012-03-09 Tristan Gingold <gingold@adacore.com>
74 * config/vms/vms-c.c (vms_construct_include_filename): New function.
75 (vms_c_register_includes): Reference it.
77 2012-03-09 Andrew Pinski <apinski@cavium.com>
80 * tree-ssa-phiopt.c: Include tree-pretty-print.h for
82 (tree_ssa_phiopt_worker): Go through all the PHIs for
83 value_replacement instead of just the singleton one.
84 (value_replacement): Change return type to int. Return 0 instead of
86 Allow the middle basic block to contain more than just the defining
88 Handle non empty middle basic blocks.
89 * Makefile.in (tree-ssa-phiopt.o): Add tree-pretty-print.h.
91 2012-03-09 Jiangning Liu <jiangning.liu@arm.com>
93 * tree-scalar-evolution (interpret_rhs_expr): generate chrec for
94 array reference and component reference.
95 (analyze_scalar_evolution_for_address_of): New.
97 2012-03-08 Jie Zhang <jzhang918@gmail.com>
100 * config/bfin/bfin.c (hwloop_optimize): Fix unused variable warnings.
101 (hwloop_pattern_reg): Fix set but not used warning.
102 (bfin_reorg_loops): Remove unused parameter.
103 (bfin_reorg): Update use of bfin_reorg_loops.
105 2012-03-08 H.J. Lu <hongjiu.lu@intel.com>
107 * config/i386/i386.c (setup_incoming_varargs_64): Use word_mode
108 with integer parameters in registers.
109 (gen_push): Push register in word_mode instead of Pmode.
110 (ix86_emit_save_regs): Likewise.
111 (ix86_emit_save_regs_using_mov): Save integer registers in word_mode.
112 (gen_pop): Pop register in word_mode instead of Pmode.
113 (ix86_emit_restore_regs_using_pop): Likewise.
114 (ix86_expand_prologue): Replace Pmode with word_mode for push
115 immediate. Use ix86_gen_pro_epilogue_adjust_stack. Save and
116 restore RAX and R10 in word_mode.
117 (ix86_emit_restore_regs_using_mov): Restore integer registers
119 (ix86_expand_split_stack_prologue): Save R10_REG and restore in
121 (ix86_split_to_parts): Use word_mode with PUT_MODE for push.
122 (ix86_split_long_move): Likewise.
124 * config/i386/i386.md (W): New.
125 (*push<mode>2_prologue): Replace :P with :W.
126 (*pop<mode>1): Likewise.
127 (*pop<mode>1_epilogue): Likewise.
128 (push/pop peephole2): Use word_mode scratch registers.
130 2012-03-08 Uros Bizjak <ubizjak@gmail.com>
132 * config/i386/predicates.md (indirect_branch_operand): Simplify.
134 2012-03-08 Georg-Johann Lay <avr@gjlay.de>
136 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
137 for constants in [-63,63].
139 2012-03-08 Uros Bizjak <ubizjak@gmail.com>
143 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
145 * config/i386/i386.c (ix86_print_operand_address): Only handle
146 zero-extended DImode addresses.
148 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
150 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
151 * configure: Regenerate.
153 2012-03-08 Georg-Johann Lay <avr@gjlay.de>
156 * config/avr/avr.c (avr_mem_clobber): New static function.
157 (avr_expand_delay_cycles): Add memory clobber operand to
158 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
159 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
160 (enable_interrupt, disable_interrupt): New expander.
161 (nopv, sleep, wdr): New expanders.
162 (delay_cycles_1): Add memory clobber.
163 (delay_cycles_2): Add memory clobber.
164 (delay_cycles_3): Add memory clobber.
165 (delay_cycles_4): Add memory clobber.
166 (cli_sei): New insn from former "enable_interrupt",
167 "disable_interrupt" with memory clobber.
168 (*wdt): New insn from former "wdt" with memory clobber.
169 (*nopv): Similar, but for "nopv".
170 (*sleep): Similar, but for "sleep".
172 2012-03-07 Oleg Endo <olegendo@gcc.gnu.org>
173 Kaz Kojima <kkojima@gcc.gnu.org>
176 * config/sh/sh.opt (msoft-atomic): Use Var instead of Mask.
177 * config/sh/linux.h (TARGET_DEFAULT): Remove MASK_SOFT_ATOMIC.
178 (SUBTARGET_OVERRIDE_OPTIONS): Define.
180 2012-03-07 Uros Bizjak <ubizjak@gmail.com>
182 * config/i386/predicates.md (x86_64_zext_general_operand): New.
183 * config/i386/i386.md (*zero_extendsidi2_rex64): Change operand 1
184 predicate to x86_64_zext_general_operand. Accept "Z" constraint.
186 2012-03-07 Walter Lee <walt@tilera.com>
188 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
189 REG_CFA_* notes for the stack pointer.
190 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
191 EH_RETURN_STACKADJ_RTX.
192 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
193 generate REG_CFA_* notes for the stack pointer.
194 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
195 by EH_RETURN_STACKADJ_RTX.
197 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
199 * doc/invoke.texi (AVR Built-in Macros): Correct condition for
200 when __AVR_3_BYTE_PC__ is defined.
202 2012-03-07 Uros Bizjak <ubizjak@gmail.com>
204 * config/i386/i386.c (ix86_print_operand_punct_valid_p): Add '^'.
205 (ix86_print_operand): Handle '^'.
206 * config/i386/i386.md (*strmovdi_rex_1): Macroize memory operands
207 using P mode iterator. Add %^ to asm template to conditionally emit
209 (*rep_movdi_rex64): Ditto.
210 (*strsetdi_rex_1): Ditto.
211 (*rep_stosdi_rex64): Ditto.
212 (*strmov{si,hi,qi}_1): Add %^ to asm template to
213 conditionally emit addr32 prefix.
214 (*rep_mov{si,qi}): Ditto.
215 (*strset{si,hi,qi}): Ditto.
216 (*rep_stos{si,qi}): Ditto.
217 (*cmpstrnqi_nz_1): Ditto.
218 (*cmpstrnqi_1): Ditto.
219 (*strlenqi_1): Ditto.
221 2012-03-07 H.J. Lu <hongjiu.lu@intel.com>
223 * config/i386/i386.c (function_value_64): Return pointers in
224 word_mode instead of Pmode.
225 (ix86_promote_function_mode): Likewise.
227 2012-03-07 Richard Guenther <rguenther@suse.de>
229 * coverage.c (get_gcov_type): Use type_for_mode.
230 (get_gcov_unsigned_t): Likewise.
231 * expr.c (store_constructor): Use type_for_mode.
232 (try_casesi): Likewise.
233 * tree-ssa-loop-ivopts.c (add_standard_iv_candidates_for_size): Remove.
234 (add_standard_iv_candidates): Use standard type trees.
235 * dojump.c (do_jump): Remove dead code.
237 2012-03-07 Richard Guenther <rguenther@suse.de>
239 * c-typeck.c (pointer_diff): Use c_common_type_for_size.
241 2012-03-07 Richard Guenther <rguenther@suse.de>
243 * convert.c (strip_float_extensions): Move ...
244 * tree.c (strip_float_extensions): ... here.
246 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
249 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
251 2012-03-07 Richard Guenther <rguenther@suse.de>
253 * omp-low.c (extract_omp_for_data): Use signed_type_for.
254 (expand_omp_for_generic): Likewise.
255 (expand_omp_for_static_nochunk): Likewise.
256 (expand_omp_for_static_chunk): Likewise.
257 * tree-vect-stmts.c (vect_gen_perm_mask): Use type_for_mode.
258 * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
259 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop):
260 Use unsigned_type_for.
261 (vect_create_cond_for_align_checks): Use signed_type_for.
263 2012-03-07 Andrey Belevantsev <abel@ispras.ru>
265 PR rtl-optimization/52203
266 * sel-sched.c (estimate_insn_cost): New parameter pempty. Adjust
267 all callers to pass NULL except ...
268 (reset_sched_cycles_in_current_ebb): ... here, save the value
269 in new variable 'empty'. Increase issue_rate only for
272 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
275 * Makefile.in: Let install-gcc-ar depend on installdirs,
276 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
277 Don't double canonicalize if cross-compiling.
279 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
282 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
283 to: RAMPZ, RAMPY, RAMPX, RAMPD.
284 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
286 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
289 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
291 * config/avr/avr.md (xload_8): Adjust insn length.
293 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
296 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
297 if RAMPZ affects reading from RAM.
299 2012-03-07 Richard Guenther <rguenther@suse.de>
303 * doc/invoke.texi (Precompiled Headers): Remove sentence that
304 suggests you can include PCHs from inside another header.
306 2012-03-07 Richard Sandiford <rdsandiford@googlemail.com>
309 * rtl.h (pc_rtx, cc0_rtx, ret_rtx, simple_return_rtx): Add GTY markers.
311 2012-03-07 Kai Tietz <ktietz@redhat.com>
313 * doc/invoke.texi (fwritable-relocated-rdata): Document
314 new Cygwin/MinGW target option.
315 * config/i386/winnt.c (i386_pe_unique_section): Ignore
316 reloc if flag -fwritable-relocated-rdata is not set.
317 (i386_pe_section_type_flags): Likewise.
318 * config/i386/cygming.opt (fwritable-relocated-rdata):
319 Add new flag variable flag_writable_rel_rdata.
321 2012-03-07 Richard Guenther <rguenther@suse.de>
323 * tree-ssa-math-opts.c (convert_mult_to_widen): Check actual
324 precision against gimple constraints.
326 2012-03-06 Richard Sandiford <rdsandiford@googlemail.com>
329 * rtl.h (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): Redefine as
331 (GR_PC, GR_CC0, GR_RETURN, GR_SIMPLE_RETURN): Delete.
332 * emit-rtl.c (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): New
334 (init_emit_regs): Move associated initialization to...
335 (init_emit_once): ...here.
337 2012-03-06 Richard Henderson <rth@redhat.com>
339 * config/m68k/m68k.h (ISA_HAS_TAS): New.
340 * config/m68k/sync.md (atomic_test_and_set): Use it.
341 (atomic_test_and_set_1): Likewise.
343 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
346 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
347 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
348 (vector_ltgt<mode>): Likewise.
349 (vector_ordered<mode>): Likewise.
350 (vector_unordered<mode>): Likewise.
351 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
353 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
355 * trans-mem.c: New typedef for tm_region_p.
356 Define vector types for tm_region_p.
357 (tm_region_init): Replace region_worklist to a vector called
360 2012-03-06 Richard Guenther <rguenther@suse.de>
362 * fold-const.c (build_fold_addr_expr_with_type_loc): Fold
363 MEM_REF with constant pointer operand.
365 2012-03-06 Richard Guenther <rguenther@suse.de>
368 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
370 2012-03-06 Tristan Gingold <gingold@adacore.com>
372 * config/vms/vms-c.c (vms_pragma_nomember_alignment): Handle octaword.
373 (external_model_kind): Improve documentation.
374 (vms_pragma_extern_model): Handle relaxed_redef.
375 (vms_c_register_pragma): Allow expansion for nomember_alignment.
377 2012-03-06 Georg-Johann Lay <avr@gjlay.de>
379 * doc/invoke.texi (AVR Options): -mmcu=: Document the XMEGA cores.
380 Explain RAMPD, RAMPX, RAMPDY, RAMPZ usage by avr-gcc.
381 Some more notes on EIND usage and reorder EIND subsection.
383 2012-03-06 Tristan Gingold <gingold@adacore.com>
385 * config/vms/vms.c (VMS_CRTL_LDBL): Rename from VMS_CRTL_PRNTF.
386 * config/vms/vms-crtlmap.map: Rename PRNTF to LDBL.
388 2012-03-06 Tristan Gingold <gingold@adacore.com>
390 * config/vms/t-vmsnative (version): Define.
391 * config/vms/t-vms (STMP_FIXPROTO, STMP_FIXINC, version): Remove.
393 2012-03-06 Andrey Belevantsev <abel@ispras.ru>
395 PR rtl-optimization/52250
396 * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
397 to put note list into. Unconditionally call move_bb_info.
398 (move_bb_info): Do not assert the blocks being in the same region,
399 just drop the note list if they are not.
401 2012-03-06 Oleg Endo <olegendo@gcc.gnu.org>
404 * config/sh/sh.c (sh_expand_t_scc): Remove SH2A special case
405 and use unified expansion logic.
406 * config/sh/sh.md (xorsi3_movrt): Rename to movrt. Move
407 closer to the existing movt insn.
408 (negc): Rename insn to *negc. Add new expander.
409 (movnegt): Use xor pattern for T bit negation. Reserve helper
410 constant for negc pattern.
411 (*movnegt): New insn and splitter.
413 2012-03-05 Bernd Schmidt <bernds@codesourcery.com>
415 * c-typeck.c (pointer_diff): Check for POINTER_PLUS_EXPR, not
418 2012-03-05 Richard Henderson <rth@redhat.com>
420 * genemit.c (main): Include "target.h" in insn-emit.c.
421 * Makefile.in (insn-emit.o): Depend on TARGET_H.
422 * config/sh/sync.md (atomic_test_and_set): Reference
423 targetm.atomic_test_and_set_trueval instead of
424 TARGET_ATOMIC_TEST_AND_SET_TRUEVAL.
426 2012-03-05 Joern Rennecke <joern.rennecke@embecosm.com>
428 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
431 2012-03-05 Steven Bosscher <steven@gcc.gnu.org>
433 * langhooks.c (add_builtin_type): New function.
434 * langhooks.h (add_builtin_type): Export it.
435 * config/mep/mep.c (mep_init_builtins): Use it.
436 * config/rs6000/rs6000.c (rs6000_init_builtins): Use it.
438 2012-03-05 Jakub Jelinek <jakub@redhat.com>
441 * tree.h (BLOCK_SAME_RANGE): Define.
442 * function.c (block_fragments_nreverse): Clear BLOCK_SAME_RANGE
443 if BLOCK_FRAGMENT_CHAIN is non-NULL, but has it cleared.
444 Also clear BLOCK_SAME_RANGE if fragment chain's supercontext fragment
445 isn't equal to supercontext fragment's fragment chain.
446 Adjust BLOCK_SUPERCONTEXT to point to supercontext fragment's
448 (blocks_nreverse_all): Likewise.
449 (reorder_blocks_1): Compute BLOCK_SAME_RANGE bits. Set
450 BLOCK_SUPERCONTEXT to supercontext fragment instead of
451 supercontext fragment's fragment origin.
452 * dwarf2out.c (add_high_low_attributes): If stmt has the same
453 range as its parent (or parents thereof etc.), use the parent's
454 DW_AT_ranges value instead of creating a new .debug_ranges range.
456 2012-03-05 Richard Henderson <rth@redhat.com>
459 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
460 * omp-low.c (expand_omp_atomic): Assume anything aligned to
461 BIGGEST_ALIGNMENT is aligned.
463 2012-03-05 Richard Henderson <rth@redhat.com>
465 * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Move...
466 * config/sh/sh.c: ... here.
468 2012-03-05 Richard Henderson <rth@redhat.com>
471 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
472 instead of calling negqi2 directly.
474 2012-03-05 Aldy Hernandez <aldyh@redhat.com>
477 * trans-mem.c (tm_region_init): Use last_basic_block.
479 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
481 * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
482 * config/sh/sync.md (atomic_test_and_set): New expander.
483 (tasb, atomic_test_and_set_soft): New insns.
484 * config/sh/sh.opt (menable-tas): New option.
485 * doc/invoke.texi (SH Options): Document it.
487 2012-03-05 Richard Guenther <rguenther@suse.de>
489 * cfgloop.c (verify_loop_structure): Verify dominators before
491 * graphite-clast-to-gimple.c (graphite_verify): Do not verify
492 dominators from here.
493 * graphite-scop-detection.c (create_sese_edges): Likewise.
494 * loop-doloop.c (doloop_optimize_loops): Likewise.
495 * loop-init.c (loop_optimizer_init): Likewise.
496 * loop-unroll.c (unroll_and_peel_loops): Likewise.
497 * loop-unswitch.c (unswitch_loops): Likewise.
498 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
499 * tree-parloops.c (parallelize_loops): Likewise. Verify
500 only when checking is enabled.
501 * tree-loop-distribution.c (tree_loop_distribution): Likewise.
503 2012-03-05 Bernd Schmidt <bernds@codesourcery.com>
505 * genautomata.c (parse_automata_opt): New static function.
506 (initiate_automaton_gen): Remove all option handling code. Remove
507 argc argument. All callers changed.
508 (main): Call init_rtx_reader_args_cb with the new function as argument.
510 2012-03-05 Richard Guenther <rguenther@suse.de>
512 * cfgexpand.c (gimple_expand_cfg): Free dominator info.
513 * tree-if-conv.c (combine_blocks): Free post-dominator info
515 * tree-parloops.c (create_parallel_loop): Free and re-compute
516 dominator info after breaking it.
518 2012-03-05 Richard Guenther <rguenther@suse.de>
521 * optabs.h (trapv_unoptab_p): New function.
522 (trapv_binoptab_p): Likewise.
523 * optabs.c (expand_binop): Use emit_libcall_block_1 with
524 a proper equiv_may_trap argument.
525 (expand_unop): Likewise.
526 (emit_libcall_block_1): Take extra argument whether the
527 instruction may trap. Renamed from ...
528 (emit_libcall_block): ... this. New wrapper.
530 2012-03-05 Jakub Jelinek <jakub@redhat.com>
532 PR tree-optimization/51721
533 * tree-vrp.c (register_edge_assert_for_2): If comparing
534 lhs of right shift by constant with an integer constant,
535 add ASSERT_EXPRs for the rhs1 of the right shift.
537 * cfgrtl.c (cfg_layout_merge_blocks): Cleanup.
539 2012-03-05 Richard Guenther <rguenther@suse.de>
541 * tree.c (integer_zerop): Handle VECTOR_CSTs.
542 (integer_onep): Likewise.
543 (integer_all_onesp): Likewise.
545 2012-03-05 Georg-Johann Lay <avr@gjlay.de>
547 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
549 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
551 * config/i386/i386.c (pro_epilogue_adjust_stack): Check Pmode
552 instead of TARGET_64BIT.
554 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
556 * config/i386/i386.c (ix86_expand_prologue): Check Pmode to set
559 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
561 * config/i386/i386.c (ix86_print_operand_address): Only handle
562 zero-extended DImode addresses.
564 2012-03-04 Uros Bizjak <ubizjak@gmail.com>
566 * config/i386/i386.c (ix86_print_operand) <case '+'>: Declare
567 taken and cputaken as bool.
569 2012-03-04 Uros Bizjak <ubizjak@gmail.com>
571 * config/i386/constraints.md (Ya): New internal constraint.
572 * config/i386/i386.md (zero_extendsidi2): Remove expansion.
573 (*zero_extendsidi2_rex64): Add x,x alternative.
574 (*zero_extendsidi2): Ditto. Add o,0 alternative.
575 Remove flags reg clobber. Adjust corresponding splits.
576 (zero_extend<mode>si2): Macroize expander from zero_extendhisi2 and
577 zero_extendqisi2 expanders using SWI12 mode iterator.
578 (zero_extend<mode>si2_and): Macroize insn from
579 zero_extendhisi2_and and zero_extendqisi2_and. Merge corresponding
581 (*zero_extend<mode>si2): Macroize insn from
582 *zero_extendhisi2_movzbl and *zero_extendqisi2_movzbl.
583 (*zero_extend*2_movzbl_and): Remove insn patterns.
584 (zero_extendqihi2_and): Merge corresponding splitter.
585 (*zero_extendqihi2): Rename from *zero_extendqihi2_movzbl.
586 (*zero_extend*2_movzbl_and): Remove insn patterns.
587 (*anddi_1): Split TYPE_IMOVX instructions.
588 (*andsi_1): Use Ya for alternative 2. Split TYPE_IMOVX instructions.
590 (and->zext splitter): Add splitter pattern.
591 (zero extend with andsi3 splitter): Adjust zero_extend pattern.
593 2012-03-04 Sandra Loosemore <sandra@codesourcery.com>
595 * doc/invoke.texi (C++ Dialect Options): Minor copy-edits to
597 (Debugging Options): Likewise.
598 (Optimize Options): Likewise.
599 (i386 and x86-64 Options): Discuss -march before -mtune, consistently
600 with other architectures. Use official processor names with correct
601 spelling/capitalization. Fix formatting and grammar issues.
602 (i386 and x86-64 Windows Options): Similar cleanup here.
604 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
606 * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
608 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
610 * config/sh/sh.c (sh_dwarf_register_span): Don't apply
613 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
615 * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
616 operand is CONST_INT. Take COSTS_N_INSNS into account.
617 (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value
620 2012-03-02 Richard Henderson <rth@redhat.com>
622 * optabs.c (expand_atomic_test_and_set): Honor
623 atomic_test_and_set_trueval even when atomic_test_and_set
626 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
630 * config/sh/sh.c (sh_register_move_cost): Increase cost between
631 GENERAL_REGS and FP_REGS for SImode.
633 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
636 * config/sh/sh.md (negdi2): Add TARGET_SH1 condition.
637 (absdi2): New expander.
638 (*absdi2, *negabsdi2, negdi_cond): New insns and splits.
640 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
642 * config/sh/sync.md (atomic_exchange<mode>): New expander.
643 (atomic_exchange<mode>_soft): New insn.
645 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
647 * config/sh/sync.md: Update copyright notice dates.
648 (atomic_compare_and_swap<mode>): Use SImode for return value instead
650 (atomic_compare_and_swap<mode>_soft): Likewise.
652 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
655 * config/sh/sh.h (LOOP_ALIGN): Move logic to sh_loop_align.
656 * config/sh/sh.c: Update copyright notice dates.
657 (sh_loop_align): Add logic from LOOP_ALIGN. Don't disable loop
658 alignment for TARGET_HARD_SH4.
659 (sh_option_override): Reduce default function alignment. Set
660 loop alignment to 4 bytes when not optimizing for size.
662 2012-03-02 Maxim Kuvyrkov <maxim@codesourcery.com>
665 * doc/invoke.texi (floop-flatten): Remove.
666 * toplev.c (process_options): Remove references to flag_loop_flatten.
667 * tree-ssa-loop.c (gate_graphite_transform): Same.
668 * common.opt (floop-flatten): Obsolete.
669 * graphite-poly.c (apply_poly_transforms): Remove reference to
671 * Makefile.in (graphite-flattening.o): Remove.
672 * graphite-flattening.c: Remove.
674 2012-03-02 Uros Bizjak <ubizjak@gmail.com>
676 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
677 having mode compatible with the mode of previous compare. Substitute
678 compare mode of previous compare with the mode, compatible
679 with eliminated and previous compare.
681 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
683 * config/rs6000/dfp.md (floatdidd2): New define_insn.
685 2012-03-02 Uros Bizjak <ubizjak@gmail.com>
687 * config/i386/i386.c (ix86_cc_modes_compatible): Declare CCZmode
688 compatible with CCGOCmode and CCGCmode.
690 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
692 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
694 2012-03-02 Ulrich Weigand <ulrich.weigand@linaro.org>
696 * config/arm/arm.c (arm_sat_operator_match): New function.
697 * config/arm/arm-protos.h (arm_sat_operator_match): Add prototype.
698 * config/arm/arm.md ("insn" attribute): Add "sat" value.
699 ("SAT", "SATrev"): New code iterators.
700 ("SATlo", "SAThi"): New code iterator attributes.
701 ("*satsi_<SAT:code>"): New pattern.
702 ("*satsi_<SAT:code>_shift"): Likewise.
703 * config/arm/arm-fixed.md ("arm_ssatsihi_shift"): Add "insn"
704 and "shift" attributes.
705 ("arm_usatsihi"): Add "insn" attribute.
706 * config/arm/predicates.md (sat_shift_operator): Allow multiplication
707 by powers of two. Do not allow shift by 32.
709 2012-03-02 Uros Bizjak <ubizjak@gmail.com>
712 * config/i386/i386.c (construct_container): Use gen_reg_or_parallel
713 to pass the argument in the register of "natural" mode.
715 2012-03-02 Richard Guenther <rguenther@suse.de>
717 PR tree-optimization/52406
718 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
719 (struct indices): Add unconstrained_base member.
720 (struct dr_alias): Remove unused vops member.
721 (DR_UNCONSTRAINED_BASE): New define.
722 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
723 add indices to allow their disambiguation. Make DR_BASE_OBJECT
724 be an artificial access that covers the whole indexed object,
725 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
726 plain decl base-objects to their MEM_REF variant.
727 (dr_may_alias_p): When the base-object of either data reference
728 has unknown size use only points-to information.
729 (compute_affine_dependence): Make dumps easier to read and
731 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
732 DR_REF when looking for packed references.
733 (vect_supportable_dr_alignment): Likewise.
735 2012-03-02 Greta Yorsh <Greta.Yorsh@arm.com>
737 * config/arm/arm-ldmstm.ml (write_ldm_commutative_peephole):
738 Improve conditions for peepholes of loads followed by commutative
740 * config/arm/ldmstm.md: Regenerated.
742 2012-03-02 Richard Guenther <rguenther@suse.de>
744 * BASE-VER: Set to 4.8.0.
746 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
748 * config.gcc (obsolete): Add all ARM targets using the FPA.
749 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
750 * doc/install.texi: Avoid references to obsolete ARM ports.
752 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
754 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
756 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
757 Joern Rennecke <joern.rennecke@embecosm.com>
759 * doc/extend.texi: Expand and update information on interrupt
760 attribute for Epiphany.
762 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
764 * config/sh/sh-protos.h: Update copyright notice dates.
765 * config/sh/sh.h: Likewise.
766 * config/sh/sh.md: Likewise.
767 * config/sh/constraints.md: Likewise.
768 * config/sh/predicates.md: Likewise.
770 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
772 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
773 * config/sh/sh.c (tertiary_reload_operand): Likewise.
775 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
777 * config/sh/constraints.md: Fix comment typo.
779 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
782 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
783 unsigned HOST_WIDE_INT.
784 (zvdep_imm64): Likewise.
785 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
786 (vdepi_and): Likewise.
787 Likewise for unamed 64-bit patterns.
788 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
790 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
793 PR rtl-optimization/52417
794 * cselib.c (cselib_any_perm_equivs): New variable.
795 (cselib_reset_table): Check that it's not set when not
796 preserving constants.
797 (cselib_add_permanent_equiv): Set it.
798 (cselib_have_permanent_equivalences): New.
799 (cselib_init, cselib_finish): Reset it.
800 * cselib.h (cselib_have_permanent_equivalences): Declare.
801 * alias.c (get_addr): Restore earlier behavior when there
802 aren't permanent equivalences.
804 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
806 * config/mn10300/mn10300-modes.def: Fix copyright notice.
807 * config/v850/v850-modes.def: Fix copyright notice.
809 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
811 * doc/extend.texi (AVR Built-in Functions): Document
812 __builtin_avr_flash_segment.
814 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
815 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
816 (*split.flash_segment): New insn-and-split.
817 * config/avr/avr.c (avr_init_builtins): Add local variables:
818 const_memx_void_node, const_memx_ptr_type_node,
819 char_ftype_const_memx_ptr.
821 2012-03-01 Jakub Jelinek <jakub@redhat.com>
823 PR tree-optimization/52445
824 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
825 add ssa_name_ver, offset and size fields and change store field
827 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
828 (add_or_mark_expr): Likewise. Only consider previous stores
829 with the same size and offset.
830 (nt_init_block): Only look at gimple_assign_single_p stmts,
831 doesn't look at rhs2.
833 2012-03-01 Richard Guenther <rguenther@suse.de>
836 * tree-cfg.c (verify_gimple_assign_unary): Allow any
837 conversions from integral types to pointer types.
839 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
841 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
842 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
843 unintentionally removed in r184616.
845 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
847 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
850 2012-02-29 Jakub Jelinek <jakub@redhat.com>
851 Uros Bizjak <ubizjak@gmail.com>
854 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
855 alternatives, add "e" constraint to the new last alternative
856 and ! to last 3 alternatives.
858 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
860 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
861 DW_AT_artificial attributes at the end of the processing.
862 (gen_array_type_die): Likewise.
863 (gen_enumeration_type_die): Likewise.
864 (gen_struct_or_union_type_die): Likewise.
865 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
868 2012-02-29 Jakub Jelinek <jakub@redhat.com>
871 * expr.c (expand_assignment): If doing misaligned store that doesn't
872 cover all mode bits, perform a RMW cycle.
874 PR tree-optimization/52429
875 * tree-parloops.c (separate_decls_in_region_debug): Return early
876 if var is LABEL_DECL.
878 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
880 PR tree-optimization/52424
881 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
882 calling dom_thread_across_edge.
884 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
886 * config/avr/avr.c: Move definition of TARGET macros to end of file.
888 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
890 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
891 * config/avr/avr.c (avr_output_bld): Remove unused function.
892 (avr_out_sbxx_branch): Use "%T" to print bit position.
894 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
896 * config/avr/avr.md: Untabify.
898 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
900 * config/avr/avr.md (eqne): New code iterator.
901 (*dec-and-branchsi): Use it in text peephole's condition.
902 (*dec-and-branchhi): Ditto.
903 (*dec-and-branchqi): Ditto.
905 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
908 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
909 the device does not have the skip-bug.
911 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
913 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
914 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
915 -mpretend-cmove): New.
917 2012-02-29 Jakub Jelinek <jakub@redhat.com>
920 * df.h (struct df_d): Adjust comment that hard_regs_live_count
921 doesn't count DEBUG_INSN refs.
922 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
925 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
929 2012-02-20 Richard Guenther <rguenther@suse.de>
930 PR tree-optimization/52298
931 * tree-vect-stmts.c (vectorizable_load): Properly use
932 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
935 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
938 * gimple.h (gimple_in_transaction): New.
939 (gimple_set_in_transaction): New.
940 (struct gimple_statement_base): Add in_transaction field.
941 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
943 (tree_ssa_lim_initialize): Compute transaction bits.
944 * tree.h (compute_transaction_bits): Protoize.
945 * trans-mem.c (tm_region_init): Use the heap to store BB
947 (compute_transaction_bits): New.
949 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
951 * gcc.c (display_help): Document --help=common and sort entries
954 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
956 * doc/install.texi: Document check-$LANG specific shortcuts
958 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
961 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
963 * config/arm/arm_neon.h: Regenerate.
964 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
965 (neon_vcgeu): New insn.
966 (neon_vcgtu): Likewise.
967 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
968 (ops): Unsigned comparison intrinsics call a different builtin.
970 2012-02-28 Richard Guenther <rguenther@suse.de>
973 * config/i386/i386.c (ix86_expand_vector_set): Fix element
974 ordering for the VEC_CONCAT for two element vectors for
975 V2SFmode, V2SImode and V2DImode.
977 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
980 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
981 detecting big-endian triplets.
983 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
985 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
986 mode if there is no type information available.
988 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
990 PR tree-optimization/53207
991 * doc/invoke.texi: Document as experimental and relying on graphite.
993 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
995 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
996 of initializer to changes from r184614.
998 2012-02-28 Richard Guenther <rguenther@suse.de>
1000 PR tree-optimization/52395
1001 * tree-sra.c (build_ref_for_offset): Also look at the base
1002 TYPE_ALIGN when figuring out the alignment of the replacement.
1004 2012-02-28 Richard Guenther <rguenther@suse.de>
1006 PR tree-optimization/52402
1007 * ipa-prop.c (ipa_modify_call_arguments): Properly use
1008 mis-aligned types when creating the accesses at the call site.
1010 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1012 * config/avr/builtins.def: New file.
1013 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1014 * config/avr/avr.c (enum avr_builtin_id): Use it.
1015 (avr_init_builtins): Use it. And use avr_bdesc.
1016 (bdesc_1arg): Remove.
1017 (bdesc_2arg): Remove.
1018 (bdesc_3arg): Remove.
1019 (struct avr_builtin_description): Add field n_args.
1020 (avr_bdesc): New static variable using builtins.def.
1021 (avr_expand_builtin): Use it.
1022 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1023 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1024 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1026 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1029 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1030 match only one single hard register with respective hard reg rtx.
1031 (movmemx_<mode>): Ditto.
1032 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1033 insn anatomy of movmem[x]_<mode>.
1034 (avr_out_movmem): Same for printing assembler and operand usage.
1036 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1040 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1041 address spaces located outside of device flash.
1043 * config/avr/avr.h (base_arch_s): Remove field n_segments.
1044 (mcu_type_s): Add field n_flash.
1045 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1046 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1047 (AVR_MCU): Add N_FLASH argument.
1048 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1049 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1050 macro __FLASH<n> if that address space makes sense for the device.
1051 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1052 outside of target flash.
1053 (avr_asm_named_section): Ditto.
1054 (avr_asm_select_section): Ditto.
1055 (avr_addr_space_convert): Ditto.
1056 (avr_emit_movmemhi): Ditto.
1057 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1058 address space is outside of device flash.
1059 (avr_insert_attributes): Ditto.
1060 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1061 avr_current_arch->n_segments.
1063 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
1066 * config/i386/i386.md (*movabs<mode>_1): Enable only for TARGET_LP64.
1067 (*movabs<mode>_2): Likewise.
1069 2012-02-27 Jakub Jelinek <jakub@redhat.com>
1072 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1073 s_register_operand in the test instead of REG_P. Don't call
1074 gen_reg_rtx if it won't be used.
1076 PR tree-optimization/52376
1077 * ipa-split.c (split_function): Ignore CLOBBER stmts.
1079 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
1081 * ifcvt.c (noce_get_condition): Check condition variable is not
1082 small_register_classes_for_mode_p before accepting.
1084 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
1086 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1088 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1091 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1092 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1094 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1096 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
1098 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1100 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
1102 * config/sh/predicates.md: Remove blank lines.
1103 * config/sh/sh.c: Fix typos in comments.
1104 * config/sh/constraints.md: Likewise.
1105 * config/sh/sh.md: Remove blank lines.
1106 Fix typos in comments. Use ;; as comment characters.
1108 2012-02-26 Walter Lee <walt@tilera.com>
1110 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1111 (replace_mov_pcrel_step2): Ditto.
1113 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
1116 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1117 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
1118 and locs that reference values newer than the non-canonical value
1119 at hand. Return the canonical value as a worst case.
1120 (memrefs_conflict_p): Walk canonical value's locs.
1123 * cselib.c (preserve_only_constants): Rename to...
1124 (preserve_constants_and_equivs): ... this. Split out...
1125 (invariant_or_equiv_p): ... this. Preserve plus expressions
1126 of other preserved expressions too.
1127 (cselib_reset_table): Adjust.
1128 * var-tracking.c (reverse_op): Use canonical value to build
1131 2012-02-23 Kai Tietz <ktietz@redhat.com>
1133 * config/i386/i386.c (ix86_delegitimize_address): Handle
1134 UNSPEC_PCREL plus displacement.
1136 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
1139 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1140 to test for unusedness in st X addressing.
1142 2012-02-24 Richard Guenther <rguenther@suse.de>
1145 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1146 (is_gimple_reg_type): Move inline ...
1147 * gimple.h (is_gimple_reg_type): ... here.
1149 2012-02-24 Richard Guenther <rguenther@suse.de>
1152 * passes.c (execute_function_todo): When verifying SSA form
1153 verify gimple form first.
1154 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1156 2012-02-24 Richard Guenther <rguenther@suse.de>
1159 * fold-const.c (fold_addr_of_array_ref_difference): New function.
1160 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1162 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1164 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1166 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1168 * tree-phinodes.c (make_phi_node): Mark static.
1169 * tree-flow.h (make_phi_node): Remove extern decl.
1170 * doc/gimple.texi (make_phi_node): Remove documentation.
1172 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1174 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1175 * tree-ssa-sccvn.c (print_scc): Ditto.
1177 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1179 * doc/passes.texi (Full redundancy elimination): Fix typo.
1181 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1183 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1185 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
1188 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1190 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
1193 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1195 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
1197 * config/avr/avr.md (code_stdname): Add ior, xor.
1198 (xior): New code iterator.
1199 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1200 (*<code_stdname><mode>qi.byte1-3): Ditto.
1202 2012-02-23 Jakub Jelinek <jakub@redhat.com>
1204 PR tree-optimization/52019
1205 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1208 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1210 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1211 HAVE_INITFINI_ARRAY to work around namespace pollution in
1212 certain versions of newlib system headers.
1213 * config.in: Regenerate.
1214 * configure: Regenerate.
1215 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1216 instead of HAVE_INITFINI_ARRAY.
1218 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
1221 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1222 is not offsettable memory reference.
1224 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1227 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1228 setting avr_need_clear_bss_p for __gnu_lto* symbols.
1230 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1232 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1233 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1235 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1237 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1238 library on Solaris 8 even without TLS support.
1239 * configure: Regenerate.
1241 2012-02-22 Richard Guenther <rguenther@suse.de>
1244 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1245 for GIMPLE_DEBUG stmts.
1247 2012-02-22 Martin Jambor <mjambor@suse.cz>
1250 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1251 according to the base object.
1253 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1255 PR rtl-optimization/50063
1256 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1257 and 2 (8-bit SP) in operand 2.
1258 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1259 setup to use movhi_sp_r instead of vanilla move to write SP.
1260 Adjust REG_CFA notes to superseed unspec.
1261 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1263 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1264 known to be off) only with TARGET_NO_INTERRUPTS. Never use
1265 irq_state 1 (IRQ known to be on) here.
1267 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
1269 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1271 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1272 assign_hard_reg): Likewise.
1274 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1276 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1278 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1281 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1282 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1284 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1286 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1287 prototype from here to...
1288 * config/avr/avr.h: ...here.
1290 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
1293 * thumb2.md (thumb2_shiftsi3_short): Split register and
1294 immediate shifts. For register shifts tie operands 0 and 1.
1295 (peephole2 for above): Check that register-controlled shifts
1296 have suitably tied operands.
1298 2012-02-21 Quentin Neill <quentin.neill@amd.com>
1301 * config/i386/bdver1.md (bdver1_call, bdver1_push,
1302 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1303 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1304 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1305 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1306 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1307 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1308 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1309 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1310 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1311 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1312 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1313 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1314 bdver1_ssevector_avx256_unaligned_load,
1315 bdver1_ssevector_sse128_unaligned_load,
1316 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1317 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1318 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1319 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1320 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1321 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1322 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1323 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1324 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1325 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1326 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1327 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1328 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1329 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1330 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1331 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1332 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1333 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1334 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1335 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1336 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1337 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1338 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1339 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1340 bdver1_ssediv_double_load, bdver1_ssediv_double,
1341 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1342 Add "bdver2" attribute.
1344 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1346 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1347 default if possible and not specified otherwise.
1349 2012-02-21 Richard Guenther <rguenther@suse.de>
1352 * gimplify.c (create_tmp_from_val): Use the main variant type
1353 for the type of the temporary we create.
1355 2012-02-21 Richard Guenther <rguenther@suse.de>
1357 PR tree-optimization/52324
1358 * gimplify.c (gimplify_expr): When re-gimplifying expressions
1359 do not gimplify a MEM_REF address operand if it is already
1362 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1364 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1365 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1367 2012-02-21 Richard Guenther <rguenther@suse.de>
1369 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1370 nested_in_vect_loop.
1372 2012-02-21 Jakub Jelinek <jakub@redhat.com>
1374 PR tree-optimization/52318
1375 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1376 vdef also to non-pure/const call stmts in the sequence.
1378 2012-02-21 Tristan Gingold <gingold@adacore.com>
1380 * config/vms/vms-ld.c (main): Fix IDENTIFICATION padding.
1382 2012-02-20 David S. Miller <davem@davemloft.net>
1384 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1385 don't use the "rd %pc" instruction on v9 for PIC register loads.
1387 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
1390 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1391 in a transaction safe function.
1393 2012-02-20 Kai Tietz <ktietz@redhat.com>
1396 * stor-layout.c (place_field): Handle desired_align for
1399 2012-02-20 Richard Guenther <rguenther@suse.de>
1401 PR tree-optimization/52298
1402 * tree-vect-stmts.c (vectorizable_store): Properly use
1403 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1405 (vectorizable_load): Likewise.
1406 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1407 Access DR_STEP after ensuring it is not NULL.
1409 2012-02-20 Jakub Jelinek <jakub@redhat.com>
1411 PR tree-optimization/52286
1412 * fold-const.c (fold_binary_loc): For (X & C1) | C2
1413 optimization use double_int_to_tree instead of build_int_cst_wide,
1414 rewrite to use double_int vars.
1416 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1419 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1421 Remove -e 0 from $gcc_cv_ld invocation.
1422 Only use __GLIBC_PREREQ if defined.
1423 Enable on Solaris since Solaris 8 patch.
1424 (gcc_SUN_LD_VERSION): New macro.
1425 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1426 gcc_SUN_LD_VERSION for version number format.
1427 * configure: Regenerate.
1428 * varasm.c (get_elf_initfini_array_priority_section): Set
1429 SECTION_NOTYPE for non-default priority.
1430 Use get_section instead of get_unnamed_section to emit
1431 .init_array/.fini_array with default priority.
1433 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1435 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1436 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
1437 (mips_start_unique_function, mips_output_mips16_rdhwr)
1438 (mips_code_end): New functions.
1439 (TARGET_ASM_CODE_END): Define.
1441 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1443 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1444 to stubs with non-sibling calls.
1446 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
1448 * doc/invoke.texi (-fira-* options): Copy-edit.
1449 (ira-* parameters): Copy-edit.
1451 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1453 * doc/invoke.texi: Minor copy-edits to bring into conformance with
1454 GCC coding conventions.
1456 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1458 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1459 when used as adjectives.
1461 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
1463 * doc/invoke.texi: Clean up "that"/"which" confusion.
1465 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
1467 * system.h: Poison SMALL_REGISTER_CLASSES
1468 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1469 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1471 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1473 PR tree-optimization/52285
1474 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1475 when deciding if a call is a tail call or tail recursion.
1477 2012-02-16 Kai Tietz <ktietz@redhat.com>
1479 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1480 interger-constant displacement for UNSPEC_PCREL.
1482 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1484 PR rtl-optimization/52208
1485 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1486 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1488 PR tree-optimization/52255
1489 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1490 loop->header has virtual PHI, but exit_e->dest doesn't, add
1491 virtual PHI to exit_e->dest and adjust all uses after the loop.
1494 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1495 children with clone_tree_hash, not after it.
1497 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
1499 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1500 extended identifiers.
1502 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1505 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1506 a same_body_alias, also test whether e->callee isn't a former
1507 or current clone of the decl this is a same body alias of.
1509 PR translation/52264
1510 * cgraphunit.c (verify_cgraph_node): Fix a typo.
1512 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
1514 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1516 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
1519 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1520 force_reg instead of copy_to_reg for better optimization. Force
1521 non-register or memory operands into a register.
1523 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
1525 * extend.texi: Reserve upper bits of memory model for future use.
1527 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
1528 Anatoly Sokolov <aesok@post.ru>
1529 Eric Weddington <eric.weddington@atmel.com>
1532 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1533 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1534 Rewrite initializers for .macro.
1535 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1536 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1537 atxmega32d4, atxmega32x1.
1538 avrxmega4: atxmega64a3, atxmega64d3.
1539 avrxmega5: atxmega64a1, atxmega64a1u.
1540 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1541 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1542 avrxmega7: atxmega128a1, atxmega128a1u.
1543 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1544 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1545 (struct base_arch_s): Rename reserved to xmega_p.
1546 Rename reserved2 to have_rampd.
1547 (AVR_XMEGA): New define.
1548 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1549 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1550 * config/avr/predicates.md (io_address_operand): Take into
1552 (low_io_address_operand): Ditto.
1553 (high_io_address_operand): Ditto.
1554 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1555 (enabled, movhi_sp_r): Use them.
1556 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1557 cpp_define_formatted to built-in define __AVR_ARCH__.
1558 (__AVR_XMEGA__): New built-in define.
1559 (__AVR_HAVE_RAMPD__): New built-in define.
1560 (__AVR_HAVE_RAMPX__): New built-in define.
1561 (__AVR_HAVE_RAMPY__): New built-in define.
1562 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1564 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1565 (avr_option_override): Initialize them.
1566 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1567 (avr_init_expanders): Initialize them. No more block several calls.
1568 (emit_push_sfr): New static function.
1569 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1571 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1572 (avr_print_operand): Print addreeses as symbols for
1573 RAMPX, RAMPY, RAMPD, CCP.
1574 (output_movhi): Handle AVR_XMEGA when writing to SP.
1575 (avr_out_movhi_mr_r_xmega): New static function.
1576 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1577 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
1578 __RAMPD__, __CCP__ as needed.
1580 * config/avr/multilib.h: Regenerate.
1581 * config/avr/t-multilib: Regenerate.
1582 * config/avr/avr-tables.opt: Regenerate.
1584 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
1586 PR tree-optimization/50561
1587 * graphite-flattening.c (lst_project_loop): Do not
1588 remove old scattering dimensions after flattening.
1589 (lst_do_flatten): Likewise.
1591 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
1593 * doc/extend.texi (AVR Built-in Functions): Remove doc for
1594 __builtin_avr_map8, __builtin_avr_map16.
1595 Document __builtin_avr_insert_bits.
1597 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1598 (insert_bits): New insn.
1599 (adjust_len.map_bits): Rename to insert_bits.
1600 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1601 * avr-protos.h (avr_out_map_bits): Remove.
1602 (avr_out_insert_bits, avr_has_nibble_0xf): New.
1603 * config/avr/constraints.md (Cxf,C0f): New.
1604 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1605 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1606 New built-in define __BUILTIN_AVR_INSERT_BITS.
1607 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1608 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1609 (avr_move_bits): Rewrite.
1610 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1612 (avr_map_op_t): New typedef.
1613 (avr_map_op): New static variable.
1614 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1615 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1616 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1617 (bdesc_3arg, avr_expand_triop_builtin): New.
1618 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1619 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1620 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1621 (avr_map_equal_p, avr_map_sig_p): Remove.
1622 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1623 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1624 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1625 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1626 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1627 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1629 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1631 * config/c6x/c6x.md (reserve_cycles): New attribute.
1632 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1633 don't reserve functional units after the branch occurs.
1635 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
1638 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1639 functions into non-tm_pure functions.
1641 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
1644 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1645 (iterative_hash_canonical_type): Likewise.
1646 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1649 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1651 * haifa-sched.c (prune_ready_list): Ensure that if there is a
1652 sched-group insn, it either remains alone or the entire list is pruned.
1654 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1656 * doc/install.texi (Prerequisites): Fix grammar.
1657 (Configuration): Likewise.
1659 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1661 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1662 MPC as part of GCC before describing configuring with --with-gmp etc.
1663 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1664 sources are present.
1666 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1669 * dwarf2out.c (clone_tree_hash): New function.
1670 (copy_decls_walk): Use it instead of clone_tree.
1672 2012-02-14 Richard Guenther <rguenther@suse.de>
1674 PR tree-optimization/52244
1675 PR tree-optimization/51528
1676 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1677 replacements for integral types.
1679 2012-02-14 Walter Lee <walt@tilera.com>
1681 * config.gcc: Handle tilegx and tilepro.
1682 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1684 Add HAVE_AS_TLS check for tilegx and tilepro.
1685 * configure: Regenerate.
1686 * doc/contrib.texi: Add Mat Hostetter and self.
1687 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1688 Document instruction intrinsics and network accessing intrinsics.
1689 (TILEPro Built-in Functions): New node. Document instruction
1690 intrinsics and network accessing intrinsics.
1691 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1692 (Specific, tilepro-*-linux*): Likewise.
1693 * doc/invoke.texi (TILE-Gx Options): New section.
1694 (TILEPro Options): New section.
1695 * doc/md.texi (TILE-Gx): New section.
1696 (TILEPro): New section.
1697 * common/config/tilegx/tilegx-common.c: New file.
1698 * common/config/tilepro/tilepro-common.c: New file.
1699 * config/tilegx/constraints.md: New file.
1700 * config/tilegx/linux.h: New file.
1701 * config/tilegx/mul-tables.c: New file.
1702 * config/tilegx/predicates.md: New file.
1703 * config/tilegx/sync.md: New file.
1704 * config/tilegx/t-tilegx: New file.
1705 * config/tilegx/tilegx-builtins.h: New file.
1706 * config/tilegx/tilegx-c.c: New file.
1707 * config/tilegx/tilegx-generic.md: New file.
1708 * config/tilegx/tilegx-modes.def: New file.
1709 * config/tilegx/tilegx-multiply.h: New file.
1710 * config/tilegx/tilegx-protos.h: New file.
1711 * config/tilegx/tilegx.c: New file.
1712 * config/tilegx/tilegx.h: New file.
1713 * config/tilegx/tilegx.md: New file.
1714 * config/tilegx/tilegx.opt: New file.
1715 * config/tilepro/constraints.md: New file.
1716 * config/tilepro/gen-mul-tables.cc: New file.
1717 * config/tilepro/linux.h: New file.
1718 * config/tilepro/mul-tables.c: New file.
1719 * config/tilepro/predicates.md: New file.
1720 * config/tilepro/t-tilepro: New file.
1721 * config/tilepro/tilepro-builtins.h: New file.
1722 * config/tilepro/tilepro-c.c: New file.
1723 * config/tilepro/tilepro-generic.md: New file.
1724 * config/tilepro/tilepro-modes.def: New file.
1725 * config/tilepro/tilepro-multiply.h: New file.
1726 * config/tilepro/tilepro-protos.h: New file.
1727 * config/tilepro/tilepro.c: New file.
1728 * config/tilepro/tilepro.h: New file.
1729 * config/tilepro/tilepro.md: New file.
1730 * config/tilepro/tilepro.opt: New file.
1732 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1734 PR tree-optimization/52210
1735 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1736 vect_model_simple_cost with two entry vect_def_type array instead
1737 of an address of dt.
1739 2012-02-14 Richard Guenther <rguenther@suse.de>
1742 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1743 Do not stream DECL_QUALIFIER.
1744 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1745 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1746 (find_decls_types_r): Do not walk DECL_QUALIFIER.
1748 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1751 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1754 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1757 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1758 * cselib.c (cselib_subst_to_values_from_insn): New function.
1759 * sched-deps.c (add_insn_mem_dependence,
1760 sched_analyze_1, sched_analyze_2): Use it.
1762 2012-02-13 Jan Hubicka <jh@suse.cz>
1765 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1767 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
1769 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1770 (GTM_SELF_SPECS): Define if not already defined.
1771 (driver_self_specs): Add GTM_SELF_SPECS.
1772 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1773 (GTM_SELF_SPECS): Define.
1774 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1775 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1777 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1779 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1782 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1785 * omp-low.c (expand_omp_for): If a static schedule without chunk size
1786 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1788 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
1791 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1793 2012-02-13 Richard Guenther <rguenther@suse.de>
1795 PR translation/52211
1796 * passes.c (enable_disable_pass): Fix typo.
1798 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1801 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1802 XOR for reduce_bit_field if type is unsigned.
1804 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
1806 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1807 disallow changes from SFmode to mode with different size in FP regs.
1809 2012-02-12 Robert Millan <rmh@gnu.org>
1810 Gerald Pfeifer <gerald@pfeifer.com>
1812 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1815 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
1817 PR rtl-optimization/52175
1818 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1819 to frame-related instructions.
1821 2012-02-10 Jason Merrill <jason@redhat.com>
1824 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1825 (demangle_new_symbols): Fill it.
1826 (scan_linker_output): Walk it.
1827 (start_tweaking): Split out from scan_linker_output.
1828 (maybe_tweak): Update sym->chosen.
1829 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1831 2012-02-11 Jakub Jelinek <jakub@redhat.com>
1834 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1836 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
1838 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1839 having the same mode as previous compare.
1841 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
1843 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1844 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1845 (nonlocal_goto_internal): Likewise.
1846 (nonlocal_goto): Emit a use and an indirect jump directly.
1848 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
1851 * doc/extend.texi : Update comments for __atomic_compare_exchange and
1852 __atomic_{is,always}_lock_free.
1854 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
1857 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1858 negative constant address for x32.
1860 2012-02-10 Richard Henderson <rth@redhat.com>
1862 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1863 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1864 for GIMPLE_TRANSACTION. Tidy if's into a switch.
1866 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1867 Ira Rosen <irar@il.ibm.com>
1869 PR tree-optimization/50031
1870 * targhooks.c (default_builtin_vectorization_cost): Handle
1872 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1873 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1874 all types of reduction and pattern statements.
1875 (vect_estimate_min_profitable_iters): Likewise.
1876 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1877 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1878 for explicit realigns.
1879 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1880 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1882 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1883 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1884 vec_perm for VSX and handle vec_promote_demote.
1886 2012-02-10 Jakub Jelinek <jakub@redhat.com>
1889 * builtins.c (fold_builtin_atomic_always_lock_free,
1890 expand_builtin_atomic_always_lock_free,
1891 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1892 Return and/or test boolean_true_node/boolean_false_node instead of
1893 integer_one_node/integer_zero_node.
1895 2012-02-10 Jan Hubicka <jh@suse.cz>
1898 * predict.c (predict_paths_for_bb): Prevent looping.
1899 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1901 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
1903 * config/arm/arm.c (output_move_double): In one case properly
1904 count number of instructions that will be emitted.
1906 2012-02-10 Richard Guenther <rguenther@suse.de>
1908 PR translation/52193
1909 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1911 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
1914 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1916 2012-02-09 Jakub Jelinek <jakub@redhat.com>
1919 * var-tracking.c (emit_note_insn_var_location): If
1920 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1921 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1922 non-NOTE_DURING_CALL_P insn.
1924 2012-02-09 Bin Cheng <bin.cheng@arm.com>
1927 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1929 2012-02-08 Magnus Granberg <zorry@gentoo.org>
1932 * gcc.c (switch_matches) Support switches with separated form,
1935 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
1937 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1939 (RAMPZ_ADDR): Ditto.
1940 * config/avr/avr.c (avr_addr_t): New typedef.
1941 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1942 (avr_init_expanders): Initialize it.
1943 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1945 (expand_epilogue): Ditto.
1946 (avr_print_operand): Ditto.
1947 (avr_file_start): Ditto.
1948 (avr_emit_movmemhi): Ditto.
1950 2012-02-08 Richard Guenther <rguenther@suse.de>
1952 PR tree-optimization/46886
1953 * tree-flow.h (do_while_loop_p): Declare.
1954 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1955 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1957 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
1959 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1960 always succeed for integers larger than a native word.
1962 2012-02-08 Richard Guenther <rguenther@suse.de>
1964 PR rtl-optimization/52170
1965 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1966 properly handle integer vector modes.
1968 2012-02-08 Jakub Jelinek <jakub@redhat.com>
1970 PR gcov-profile/52150
1971 * coverage.c: Include target.h.
1972 (build_var): Call targetm.strip_name_encoding on the assembler name.
1973 Change one _ into . or $ if the target allows it.
1974 * Makefile.in (coverage.o): Depend on $(TARGET_H).
1976 PR rtl-optimization/52139
1977 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1978 is a BARRIER after emit_insn_after_noloc, move BB_END
1979 to the last non-BARRIER insn before it.
1981 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
1984 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1985 (mips_gimplify_va_arg_expr): Call it instead of
1986 std_gimplify_va_arg_expr.
1988 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
1990 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1991 message for -mno-pointers-to-nested-function.
1993 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
1996 * expr.c (get_inner_reference): If there is an offset, add a negative
1997 bit position to it (if any).
1999 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2001 PR rtl-optimization/52060
2002 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2003 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2004 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2005 and/or i0src_copy2 when needed.
2007 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2009 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2010 or LTOPLUGINSONAME if have_c.
2012 * config/freebsd-spec.h: Add comment about what macros can be defined
2014 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2015 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2018 2012-02-07 Richard Guenther <rguenther@suse.de>
2020 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2021 newline in -alias dumps.
2023 2012-02-07 Kai Tietz <ktietz@redhat.com>
2024 Dave Korn <dave.korn.cygwin@gmail.com>
2027 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2028 Take care that typinfo gets dllexport-attribute.
2030 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2033 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2034 if modifier < EXPAND_SUM call force_operand on the result.
2036 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
2038 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2039 adding __forwarder_dst__ prefix if a forwarder_section attribute is
2041 (epiphany_function_type): Replace types for specific interrupts with
2042 EPIPHANY_FUNCTION_INTERRUPT.
2043 (EPIPHANY_INTERRUPT_P): Update.
2044 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2045 New static function.
2046 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2047 <disinterrupt>: Affects type identity.
2048 (epiphany_handle_interrupt_attribute): Handle variable number of
2050 (epiphany_compute_function_type): Update for new
2051 epiphany_function_type definition.
2052 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2053 handlers with a longcall forwarder.
2054 (epiphany_start_function): Handle multiple interrupt arguments and/or
2055 forwarder_section attribute.
2057 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2060 2012-02-07 Alan Modra <amodra@gmail.com>
2063 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2066 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2068 PR tree-optimization/50969
2069 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2070 use vec_perm rather than vector_stmt.
2071 (vect_model_load_cost): Likewise.
2072 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2073 vec_perm to be the same as other vector statements.
2074 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2075 cost of vec_perm for TARGET_VSX.
2077 2012-02-06 Richard Guenther <rguenther@suse.de>
2079 PR tree-optimization/52115
2080 * tree-sra.c (access_has_replacements_p): New function.
2081 (sra_modify_assign): Use it to decide whether a use is uninitialized.
2083 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
2086 * trans-mem.c (expand_call_tm): Add an assertion.
2087 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2090 2012-02-06 Richard Guenther <rguenther@suse.de>
2092 PR tree-optimization/50955
2093 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2094 raise cost of expressions that replace an address with an
2095 expression based on a different pointer.
2097 2012-02-06 Jakub Jelinek <jakub@redhat.com>
2100 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2101 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2103 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
2106 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2107 -Weffc++ and specify guidelines come from second edition.
2109 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2111 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2112 (sibcall_value_multiple_internal, call_split, call_internal_direct)
2113 (call_direct_split, call_value_split, call_value_internal_direct)
2114 (call_value_direct_split, call_value_multiple_split): Use jal and
2115 jal_macro attributes.
2117 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2119 * reload1.c (reload_regs_reach_end_p): Replace with...
2120 (reload_reg_rtx_reaches_end_p): ...this function.
2121 (new_spill_reg_store): Update commentary.
2122 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2123 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2124 before setting new_spill_reg_store.
2125 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2126 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2127 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2128 for non-spill reload registers.
2130 2012-02-05 Ira Rosen <irar@il.ibm.com>
2132 PR tree-optimization/52091
2133 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2134 (vect_is_simple_use_1): Likewise.
2135 * tree-vect-loop.c (vectorizable_reduction): Update calls
2136 to vect_is_simple_use_1 and vect_is_simple_use.
2137 (vectorizable_live_operation): Likewise.
2138 * tree-vect-patterns.c (widened_name_p,
2139 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2140 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2141 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2142 vectorizable_shift,vectorizable_operation, vectorizable_store,
2143 vectorizable_load): Likewise.
2144 (vect_is_simple_cond): Add an argument, pass it to
2145 vect_is_simple_use_1.
2146 (vectorizable_condition): Update calls to vect_is_simple_cond,
2148 (vect_is_simple_use): Add an argument, the statement in which
2149 OPERAND is used. Check that if OPERAND's def stmt is a double
2150 reduction phi node, the use is a phi node too.
2151 (vect_is_simple_use_1): Add an argument, pass it to
2153 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2154 to vect_is_simple_use.
2156 2012-02-04 Jakub Jelinek <jakub@redhat.com>
2158 PR rtl-optimization/52095
2159 * modulo-sched.c (dump_insn_locator): New function.
2160 (loop_canon_p, sms_schedule): Use it.
2162 PR rtl-optimization/52113
2163 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2164 even for decomposable shift/zext insns.
2166 2012-02-03 Jakub Jelinek <jakub@redhat.com>
2167 Zdenek Dvorak <ook@ucw.cz>
2169 PR rtl-optimization/52092
2170 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2171 on get_iv_value result.
2173 2012-02-02 Andrew Pinski <apinski@cavium.com>
2177 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2179 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2182 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2184 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
2186 PR rtl-optimization/49800
2187 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2188 (sched_finish): Call regstat_free_n_sets_and_refs.
2190 2012-02-02 Jia Liu <proljc@gmail.com>
2192 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2195 2012-02-02 Jan Hubicka <jh@suse.cz>
2196 Tom de Vries <tom@codesourcery.com>
2199 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2200 * varpool.c (varpool_analyze_pending_decls): Likewise.
2202 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2203 Jayant R Sonar <jayant.sonar@kpitcummins.com>
2205 * config.gcc: Add cr16-* support.
2207 * doc/extend.texi: Document cr16 extensions.
2208 * doc/install.texi: Document cr16 install.
2209 * doc/invoke.texi: Document cr16 options.
2210 * doc/md.texi: Document cr16 constraints.
2212 * common/config/cr16/cr16-common.c: New file.
2213 * config/cr16/cr16.c: New file.
2214 * config/cr16/cr16.h: New file.
2215 * config/cr16/cr16.md: New file.
2216 * config/cr16/cr16.opt: New file.
2217 * config/cr16/cr16-protos.h: New file.
2218 * config/cr16/predicates.md: New file.
2219 * config/cr16/constraints.md: New file.
2220 * config/cr16/t-cr16: New file.
2222 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2225 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2226 that operands[2] is either immediate, or q_regs_operand.
2228 PR tree-optimization/52073
2229 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2230 a pattern stmt for pattern uses, ignore uses outside of the loop.
2232 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2234 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2235 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2236 (OUT_AS1, OUT_AS2): Remove.
2238 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2240 PR rtl-optimization/51374
2241 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2242 to cross other volatile_refs_p insns.
2244 2012-02-01 Richard Guenther <rguenther@suse.de>
2246 * doc/invoke.texi (fno-inline): Clarify documentation.
2247 (finline-small-functions): Likewise.
2248 (finline-functions): Likewise.
2249 * common.opt (finline): Adjust comment and documentation.
2250 (finline-small-functions): Clarify documentation.
2251 (finline-functions): Likewise.
2252 (finline-functions-called-once): Likewise.
2254 2012-02-01 Tristan Gingold <gingold@adacore.com>
2256 * c-typeck.c (composite_type): Keep mode for pointers.
2258 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
2260 * function.h (regno_reg_rtx): Adjust comment.
2261 * reginfo.c (init_reg_modes_target): Only use the previous mode
2262 if it fits within one register. Remove MIPS comment.
2264 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2267 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2269 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2271 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2272 to srak instruction.
2274 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2276 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2278 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2283 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2285 2012-01-31 Richard Guenther <rguenther@suse.de>
2287 PR tree-optimization/51528
2288 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2291 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2296 * ree.c (add_removable_extension): Change def_map argument
2297 to unsigned *, store in def_map 1 + offset into *insn_list vector
2298 instead of pointers into the vector.
2299 (find_removable_extensions): Adjust caller.
2301 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2303 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2304 Transform all "* quoted-c-code" to { c-code }.
2305 Remove redundant test for "optimize" in combine patterns.
2306 Move (include "avr-dimode.md") to end of file.
2308 2012-01-30 Bin Cheng <bin.cheng@arm.com>
2311 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2312 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2314 2012-01-30 Richard Guenther <rguenther@suse.de>
2316 PR tree-optimization/52028
2317 * tree-loop-distribution.c (ldist_gen): Properly update
2320 2012-01-30 Jakub Jelinek <jakub@redhat.com>
2323 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2324 set_cur_line_info_table if not emitting debug info.
2326 PR tree-optimization/52046
2327 * tree-vect-patterns.c (check_bool_pattern): Give up if
2328 a comparison could throw.
2331 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2333 2012-01-30 Richard Guenther <rguenther@suse.de>
2335 PR tree-optimization/52045
2336 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2337 SSA form if cfgcleanup did anything.
2339 2012-01-30 Richard Guenther <rguenther@suse.de>
2341 PR tree-optimization/52045
2342 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2343 before computing final todo.
2345 2012-01-30 Richard Guenther <rguenther@suse.de>
2347 PR tree-optimization/51528
2348 * tree-sra.c (sra_modify_assign): Re-factor in preparation
2351 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
2353 * df-problems.c (df_kill_notes): Check that the use refers
2354 to the note under examination.
2356 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
2359 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2360 parameter and use short-lived pseudos.
2361 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2362 (sparc_expand_vector_init): Const-ify local variables and adjust
2363 calls to above functions.
2365 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2367 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2369 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
2371 * doc/invoke.texi: Make usage of "compile time" and
2372 "run time"/"runtime" consistent throughout the file.
2374 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
2376 * config/alpha/alpha.c (alpha_option_override): Default to
2377 full IEEE compliance mode for Go language.
2379 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
2381 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2382 (LINK_SSP_SPEC): Define.
2384 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2387 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2390 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
2392 * doc/invoke.texi: Correct hyphenation of "floating point",
2393 "double precision", and related terminology throughout the file.
2395 2012-01-28 Jakub Jelinek <jakub@redhat.com>
2398 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2399 arm_general_register_operand predicate for operand 2 instead of
2402 2012-01-27 Ian Lance Taylor <iant@google.com>
2405 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2406 * builtins.c (expand_builtin_init_trampoline): Add onstack
2407 parameter. Change caller.
2408 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2409 * tree.c (build_common_builtin_nodes): Declare
2410 __builtin_init_heap_trampoline.
2412 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
2414 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2415 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2416 * config/avr/avr.c: Ditto.
2417 (avr_regnames): Remove because unused.
2418 * config/avr/avr.md (*cpse.ne): New peephole.
2419 (*cpse.eq): New peephole from former cpse peepholes.
2421 2012-01-27 Michael Eager <eager@eagercon.com>
2423 * config/microblaze.c (microblaze_emit_compare): Correct
2424 test after pcmp instruction.
2426 2012-01-27 Richard Guenther <rguenther@suse.de>
2428 PR tree-optimization/52020
2429 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2431 2012-01-27 Richard Guenther <rguenther@suse.de>
2433 * ipa-pure-const.c (check_stmt): Clobbers do not make a
2434 function non-const/pure.
2436 2012-01-27 Richard Guenther <rguenther@suse.de>
2438 PR tree-optimization/50444
2439 * tree-sra.c (build_ref_for_offset): Properly adjust the
2440 MEM_REF type for unaligned accesses.
2442 2012-01-27 Richard Guenther <rguenther@suse.de>
2444 PR tree-optimization/50444
2445 * expr.c (mem_ref_refers_to_non_mem_p): New function.
2446 (expand_assignment): Use it. Properly handle misaligned
2447 bases when expanding stores to component references.
2448 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2451 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
2454 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2455 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2456 * tree-data-ref.c (find_data_references_in_loop): Make static.
2457 (compute_all_dependences): Change return type to bool. Bail out
2458 for too many datarefs in a loop. Move the hunk resetting the data
2459 dependences vector from ...
2460 (compute_data_dependences_for_loop): ... here. Account for
2461 compute_all_dependences returning false.
2462 (compute_data_dependences_for_bb): Likewise.
2463 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2464 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2466 2012-01-27 Richard Guenther <rguenther@suse.de>
2469 * expr.c (store_field): Use the alias-set of the scratch memory
2472 2012-01-27 Tom de Vries <tom@codesourcery.com>
2474 PR tree-optimization/51990
2475 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2477 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2479 2012-01-27 Jakub Jelinek <jakub@redhat.com>
2482 * var-tracking.c (reverse_op): Don't add any reverse operation
2483 if V already has any constant locations.
2485 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2487 * doc/invoke.texi: Correct usage of "command line" (noun)
2488 vs "command-line" (adjective) throughout.
2490 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2492 * doc/invoke.texi (Language Independent Options): Move
2493 -Wcoverage-mismatch blurb from here....
2494 (Warning Options): ...to here.
2496 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
2498 * config/rs6000/rs6000.c (rs6000_option_override_internal):
2499 Set rs6000_always_hint to false for 476.
2501 2012-01-27 Matthias Klose <doko@ubuntu.com>
2503 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2505 * incpath.c (add_standard_paths): Likewise.
2507 2012-01-27 Richard Henderson <rth@redhat.com>
2509 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2510 * config/m68k/sync.md (atomic_test_and_set): Rename from
2511 sync_test_and_setqi and adjust the operands.
2512 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2513 and unconditionally enable.
2515 2012-01-27 Richard Henderson <rth@redhat.com>
2517 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2518 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2519 (ldstub): Rename from ldstubqi.
2520 (ldstub<I24MODE>): Remove.
2522 2012-01-27 Richard Henderson <rth@redhat.com>
2524 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2525 * c-cppbuiltin.c (cpp_atomic_builtins): Define
2526 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2527 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2528 * doc/tm.texi: Rebuild.
2530 2012-01-27 Richard Henderson <rth@redhat.com>
2532 * optabs.c (gen_atomic_test_and_set): Remove default.
2533 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2535 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2537 PR rtl-optimization/51978
2538 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2539 (combine_reaching_defs): Likewise.
2540 (struct re_info): Remove.
2541 (add_removable_extension): Remove x and data arguments,
2542 add insn, insn_list and def_map. Use the arguments directly
2543 instead of using struct re_info.
2544 (find_removable_extensions): Don't call add_removable_extension
2545 through note_stores, instead just call it with single_set
2547 (find_and_remove_re): Pass curr_cand->expr instead of
2548 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2550 2012-01-26 Michael Matz <matz@suse.de>
2552 PR tree-optimization/46590
2553 * cfgexpand.c: Revert last change (r183305).
2554 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2556 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2557 checking for emptiness.
2559 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2562 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2563 non-addressable non-BLKmode base correctly.
2565 2012-01-26 Michael Matz <matz@suse.de>
2567 PR tree-optimization/48794
2568 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2569 regions referenced from RESX/EH_DISPATCH.
2571 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2573 * config/s390/s390.h: Make BRANCH_COST an option.
2574 * config/s390/s390.opt: New option -mbranch-cost.
2576 2012-01-26 Richard Henderson <rth@redhat.com>
2578 Revert 2012-01-24 change:
2579 * trans-mem.c (requires_barrier): Do not instrument thread local
2580 variables and emit save/restore for them.
2582 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2585 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2588 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
2590 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2593 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
2596 Rename __pgm to __flash.
2597 Rename __pgm1 to __flash1.
2598 Rename __pgm2 to __flash2.
2599 Rename __pgm3 to __flash3.
2600 Rename __pgm4 to __flash4.
2601 Rename __pgm5 to __flash5.
2602 Rename __pgmx to __memx.
2603 * doc/extend.texi (AVR Named Address Spaces)
2604 Rename address space names as indicated above.
2605 * config/avr/avr.c (avr_addrspace): Ditto.
2607 * config/avr/avr-protos.h
2608 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2609 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2610 * config/avr/predicates.md: Ditto.
2611 * config/avr/avr.c Ditto, and
2612 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2613 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2615 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2616 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2617 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2618 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2619 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2620 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2621 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2622 * config/avr/avr.c: Ditto.
2623 * config/avr/avr.md: Ditto.
2625 2012-01-25 Jason Merrill <jason@redhat.com>
2628 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2630 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2632 PR tree-optimization/51987
2633 * tree-data-ref.c (get_references_in_stmt): Handle references in
2634 non-volatile GIMPLE_ASM.
2636 2012-01-25 Richard Guenther <rguenther@suse.de>
2638 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2639 bases are dereferenced.
2641 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2643 PR rtl-optimization/48374
2644 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2646 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2648 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2649 compute_data_dependences_for_loop returns false.
2650 * tree-parloops.c (loop_parallel_p): Likewise.
2652 2012-01-25 Richard Guenther <rguenther@suse.de>
2654 * tree.h (get_pointer_alignment_1): Declare.
2655 * builtins.c (get_pointer_alignment_1): New function.
2656 (get_pointer_alignment): Use it.
2658 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2660 PR rtl-optimization/48308
2661 * combine.c (enum undo_kind): Add UNDO_LINKS.
2662 (struct undo): Add member l to other_contents and where.
2663 (do_SUBST_LINK): New.
2665 (try_combine): Handle LOG_LINKS for the dummy i1 case.
2666 (undo_all): Handle UNDO_LINKS.
2668 2012-01-25 Richard Henderson <rth@redhat.com>
2670 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2673 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2675 * optabs.c (gen_atomic_test_and_set): Use each argument.
2677 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2679 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2680 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2681 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2682 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2683 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2684 TARGET_PAIRED_SINGLE_FLOAT.
2686 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2688 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2689 (in_struct, return_val): Remove MEM documentation.
2690 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2691 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2692 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2694 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2695 * cfgexpand.c (add_alias_set_conflicts): Likewise.
2696 * expr.c (store_field): Likewise.
2697 * function.c (assign_stack_temp_for_type): Likewise.
2698 * ifcvt.c (noce_try_cmove_arith): Likewise.
2699 * reload1.c (reload): Likewise.
2700 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2701 (alpha_set_memflags): Likewise.
2702 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2704 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2706 * rtl.h (true_dependence, canon_true_dependence): Remove varies
2708 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2709 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2710 (true_dependence_1, true_dependence, canon_true_dependence): Remove
2712 * cselib.c (cselib_rtx_varies_p): Delete.
2713 (cselib_invalidate_mem): Update call to canon_true_dependence.
2714 * dse.c (record_store, check_mem_read_rtx): Likewise.
2715 (scan_reads_nospill): Likewise.
2716 * cse.c (check_dependence): Likewise.
2717 (cse_rtx_varies_p): Delete.
2718 * expr.c (safe_from_p): Update call to true_dependence.
2719 * ira.c (validate_equiv_mem_from_store): Likewise.
2720 (memref_referenced_p): Likewise.
2721 * postreload-gcse.c (find_mem_conflicts): Likewise.
2722 * sched-deps.c (sched_analyze_2): Likewise.
2723 * store-motion.c (load_kills_store): Likewise.
2724 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2725 * gcse.c (mems_conflict_for_gcse_p): Likewise.
2726 (compute_transp): Update call to canon_true_dependence.
2728 2012-01-25 Richard Henderson <rth@redhat.com>
2730 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2731 (maybe_emit_atomic_test_and_set): New.
2732 (expand_sync_lock_test_and_set): Use it.
2733 (expand_atomic_test_and_set): Likewise.
2734 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2735 the implementation; clarify implementation defined details.
2736 * doc/md.texi (atomic_test_and_set): Document.
2738 2012-01-25 Richard Henderson <rth@redhat.com>
2740 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2742 2012-01-25 Richard Henderson <rth@redhat.com>
2745 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2746 to effect no-op split.
2748 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2751 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2752 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2753 (BT_FN_VOID_PTR_INT_SIZE): New.
2754 (BT_FN_UINT_UINT_VAR): Remove.
2755 (BT_FN_UINT32_UINT32_VAR): New.
2756 (BT_FN_DOUBLE_VPTR): Remove.
2757 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2759 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2760 (_ITM_changeTransactionMode): Same.
2761 (_ITM_memmoveRtWt): Change return type to void.
2762 (_ITM_memcpyRtWt): Same.
2763 (_ITM_memsetW): Same.
2764 (_ITM_RaRD): Change types to double.
2769 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2771 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2772 Patrick Marlier <patrick.marlier@gmail.com>
2774 * trans-mem.c (requires_barrier): Do not instrument thread local
2775 variables and emit save/restore for them.
2777 2012-01-24 Jason Merrill <jason@redhat.com>
2780 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2781 output static aliases.
2783 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2786 * common.opt (-pie, -shared, pie, shared): Change from Common to
2788 * gcc.c (display_help): Display help for -pie and -shared.
2790 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
2793 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2794 Remove note on size/offset limitation.
2795 (AVR Variable Attributes): Add example how to read data located
2796 with progmem. Refer to named address spaces.
2797 * doc/invoke.texi (AVR Options): Fix typo.
2799 2012-01-24 Richard Guenther <rguenther@suse.de>
2801 Forward-port to trunk
2802 2010-09-21 Jakub Jelinek <jakub@redhat.com>
2805 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2806 op0 isn't sufficiently aligned and there is movmisalignM
2807 insn for mode, use it to load op0 into a temporary register.
2809 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2812 * target.def (const_not_ok_for_debug_p): New hook.
2813 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2815 * doc/tm.texi: Regenerated.
2816 * dwarf2out.c (const_ok_for_output_1): If
2817 targetm.const_not_ok_for_debug_p returns true, fail.
2818 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2820 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2822 2012-01-23 Kai Tietz <ktietz@redhat.com>
2825 * config/i386/predicates.md (symbolic_operand): Allow
2826 UNSPEC_PCREL as PIC expression for lea.
2827 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2828 * config/i386/i386.c (ix86_delegitimize_address): Handle
2829 UNSPEC_PCREL for none-MEM, too.
2831 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2833 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2834 (ipa_tm_create_version_alias): Same.
2836 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
2839 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2840 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2842 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2843 Patrick Marlier <patrick.marlier@gmail.com>
2844 Iain Sandoe <developer@sandoe-acoustics.co.uk>
2847 * lto-wrapper.c (run_gcc): Pass the LTO section name to
2848 simple_object_start_read.
2850 2012-01-23 Richard Guenther <rguenther@suse.de>
2853 PR tree-optimization/51895
2854 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2855 parameter decomposition into BLKmode components.
2857 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
2859 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2860 fake variables for restrict-qualified pointers whose pointed-to type
2861 contains a placeholder.
2863 2012-01-23 Richard Guenther <rguenther@suse.de>
2865 PR tree-optimization/51949
2866 * ipa-split.c (execute_split_functions): Do not split malloc functions.
2868 2012-01-23 Jakub Jelinek <jakub@redhat.com>
2870 PR rtl-optimization/51933
2871 * ree.c (transform_ifelse): Return true right away if dstreg is
2872 already wider or equal to cand->mode.
2873 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2874 (make_defs_and_copies_lists): Remove defs_list and copies_list
2875 arguments, add state argument, just truncate state->work_list
2876 instead of always allocating and freeing the vector. Assert that
2877 get_defs succeeds instead of returning 2. Changed return type to bool.
2878 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
2879 have ext_src_mode, see if it has been modified already with the
2880 right kind of extension and has been extended before from the
2881 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
2882 just return true. Remember the original mode in state->modified array.
2883 (combine_reaching_defs): Add state argument. Don't allocate and
2884 free here def_list, copied_list and vec vectors, instead just
2885 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
2886 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2887 Add state variable, clear vectors in it, initialize state.modified
2888 if needed. Free all the vectors at the end and state.modified too.
2889 Don't skip a candidate if the extension expression has been modified.
2891 2012-01-22 Douglas B Rupp <rupp@gnat.com>
2894 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2895 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2896 (extra_options) interix.opt -> i386/interix.opt"
2897 (extra_objs):Add winnt-stubs.o
2898 * configure.ac: Add interix to target_os .comm on PE check.
2899 * configure: Regenerate.
2900 * config/interix3.h: Delete and move bits to..
2901 * config/interix.h: Delete and move bits to..
2902 * config/i386/i386-interix3.h: Delete and move bits to..
2903 * config/i386/i386-interix.h: ..here.
2904 (TARGET_CPU_DEFAULT): Remove redefinition.
2905 (TARGET_ASM_CONSTRUCTOR): Undefine.
2906 (SUBTARGET_SWITCHES): Define for ms-bitfields.
2907 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2908 (PTRDIFF_TYPE): Define.
2909 (LONG_DOUBLE_TYPE_SIZE): Define.
2910 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2911 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2912 (TARGET_SECTION_TYPE_FLAGS): Define.
2913 (ASM_DECLARE_FUNCTION_NAME): Define.
2914 (ASM_OUTPUT_EXTERNAL): Define.
2915 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2916 (ASM_OUTPUT_ALIGNED_BSS): Define.
2917 (PCC_BITFIELD_TYPE_MATTERS): Define.
2918 (USE_CONST_SECTION): Define.
2919 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2920 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2921 (SUPPORTS_ONE_ONLY): Remove.
2922 (I386_PE_STRIP_ENCODING): Define.
2923 * config/interix.opt: Delete and move bits to..
2924 * config/i386/interix.opt: ..here. New.
2925 (mpe-aligned-commons): Add.
2926 * config/i386/t-interix: Add copyright header.
2927 (winnt-stubs.o): Add rule.
2929 2012-01-22 Jason Merrill <jason@redhat.com>
2932 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2933 for extra name aliases.
2935 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
2937 PR rtl-optimization/51924
2938 * ree.c (combine_set_extension): Improve debugging message.
2939 (combine_reaching_defs): Likewise.
2940 (get_defs): Rename confusingly named variable.
2941 (find_and_remove_re): Skip a candidate if the extension expression has
2944 2012-01-21 Robert Millan <rmh@gnu.org>
2945 Gerald Pfeifer <gerald@pfeifer.com>
2947 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2948 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2950 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2952 PR tree-optimization/51914
2953 * tree-vect-stmts.c (vectorizable_conversion): For
2954 cvt_type && modifier == WIDEN, put temporary with cvt_type
2955 at the beginning of vec_dsts and set vec_dest to temporary
2958 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
2960 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2962 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
2964 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2965 * config/rs6000/rs6000.c: Likewise.
2967 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2970 * config/arm/arm.c (arm_count_output_move_double_insns): Call
2971 output_move_double on a copy of operands array.
2973 2012-01-20 Cary Coutant <ccoutant@google.com>
2974 Dodji Seketeli <dodji@redhat.com>
2977 * dwarf2out.c (copy_declaration_context): Return ref to parent
2978 of declaration DIE, if necessary.
2979 (remove_child_or_replace_with_skeleton): Add new parameter; update
2980 caller. Place skeleton DIE under parent DIE of original declaration.
2981 Move call to copy_declaration_context to here ...
2982 (break_out_comdat_types): ... from here.
2984 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2986 PR rtl-optimization/51856
2987 * reload.c (find_reloads_subreg_address): Set the address_reloaded
2990 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2993 * config/arm/arm.c (arm_print_operand): Correct output of alignment
2994 hints for neon loads and stores.
2996 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
3000 * doc/extend.texi (Named Address Spaces): Split into subsections.
3001 (AVR Named Address Spaces): New subsection.
3002 (M32C Named Address Spaces): New subsection.
3003 (RL78 Named Address Spaces): New subsection.
3004 (SPU Named Address Spaces): New subsection.
3005 (Variable Attributes): New anchor "AVR Variable Attributes".
3006 (AVR Variable Attributes): Rewrite and avoid wording
3007 "address space" in this context.
3008 * doc/invoke.texi (AVR Options): Rewrite and add documentation
3009 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
3010 (AVR Built-in Macros): New subsubsection therein.
3011 * doc/md.texi (AVR constraints): Remove "C04", "R".
3013 2012-01-20 Richard Guenther <rguenther@suse.de>
3015 PR tree-optimization/51903
3016 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
3017 when removing stmts.
3019 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3022 * config/arm/arm.c (arm_load_pic_register): Use
3023 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
3024 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
3025 (arm_pic_static_addr): Likewise.
3026 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
3027 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
3028 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
3029 (pic_load_addr_unified): New.
3031 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
3034 * function.c (instantiate_virtual_regs_in_insn): Use
3035 delete_insn_and_edges when removing a wrong asm insn.
3037 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
3039 PR rtl-optimization/40761
3040 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
3041 Add new member loop_num.
3042 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
3043 (ira_build): Remove the parameter.
3045 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
3046 (ira.c): Do not build CFG loops for one region allocation. Remove
3047 argument from ira_build call.
3049 * ira-build.c (init_loop_tree_node): New function.
3050 (create_loop_tree_nodes): Use it. Separate the case when CFG
3051 loops are not built.
3052 (more_one_region_p): Check current_loops.
3053 (finish_loop_tree_nodes): Separate the case when CFG loops are not
3055 (add_loop_to_tree): Process loop equal to NULL too.
3056 (form_loop_tree): Separate the case when CFG loops are not built.
3057 Use explicitly number for the root.
3058 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
3060 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
3061 instead of loop->num.
3062 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
3063 (mark_all_loops_for_removal): Ditto.
3064 (remove_unnecessary_regions): Separate the case when CFG loops
3066 (ira_build): Remove the parameter. Use explicit number of regions
3067 when CFG loops are not built.
3069 * ira-color.c (print_loop_title): Separate the case for the root node.
3070 Use loop_num instead of loop->num.
3071 (move_spill_restore): Use loop_num instead of loop->num.
3073 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
3074 (change_loop): Ditto.
3075 (change_loop): Use loop_num instead of loop->num.
3077 * ira-lives.c (process_bb_node_lives): Ditto.
3079 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
3081 * ira-conflicts.c (print_allocno_conflicts): Ditto.
3083 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3086 * tree-mudflap.c (mf_artificial): New function.
3087 (execute_mudflap_function_ops, execute_mudflap_function_decls,
3088 mx_register_decls, mudflap_enqueue_decl): Use it.
3091 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
3092 numbers in the insn pattern.
3094 2012-01-19 Michael Matz <matz@suse.de>
3096 PR tree-optimization/46590
3097 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
3098 use it in remembering which conflicts we already created.
3099 (add_scope_conflicts): Adjust call to above, (de)allocate helper
3102 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
3105 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
3106 (merge_and_complain): Same.
3108 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3111 * config/initfini-array.h: Guard content of the header
3112 with #ifdef HAVE_INITFINI_ARRAY.
3113 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
3114 Add initfini-array.h to tm_file here.
3115 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
3116 * config.gcc: Don't add initfini-array.h to tm_file here.
3117 * configure: Regenerated.
3119 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
3121 PR rtl-optimization/51505
3122 * df-problems.c (df_kill_notes): New parameter live. Update comment.
3123 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3124 (df_note_bb_compute): Update the call to df_kill_notes.
3126 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
3128 * trans-mem.c (requires_barrier): Remove call to is_global_var.
3130 2012-01-18 Richard Guenther <rguenther@suse.de>
3132 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3133 of conversions to void *.
3135 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3136 Richard Sandiford <rdsandiford@googlemail.com>
3140 * optabs.h (simplify_expand_binop): Declare.
3141 * optabs.c (simplify_expand_binop): Make global.
3142 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3143 endian targets if the source cannot be exactly covered by word
3146 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3149 * hard-reg-set.h (struct hard_reg_set_container): New type.
3150 * target.h (struct hard_reg_set_container): Forward declare.
3151 * target.def (set_up_by_prologue): New target hook.
3152 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3153 * doc/tm.texi: Regenerated.
3154 * function.c (thread_prologue_and_epilogue_insns): Change
3155 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3156 Call targetm.set_up_by_prologue on it.
3157 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3158 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3160 2012-01-17 Nick Clifton <nickc@redhat.com>
3162 * config/rx/rx.c (rx_can_use_simple_return): New function.
3163 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3164 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3166 2012-01-17 Richard Guenther <rguenther@suse.de>
3169 * expr.c (expand_assignment): Take address-space information
3170 from the address operand of MEM_REF and TARGET_MEM_REF.
3171 (expand_expr_real_1): Likewise.
3173 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3175 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3176 reload dump is requested.
3178 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
3181 * trans-mem.c (requires_barrier): Call may_be_aliased.
3183 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3185 PR tree-optimization/51877
3186 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3187 call arguments and fndecls compare equal, instead return false if they
3188 don't. Return true only if lhs1 and lhs2 are either both NULL, or
3189 both SSA_NAMEs that are valueized the same, or they satisfy
3192 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3194 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3196 * configure: Regenerate.
3198 2012-01-16 Jan Hubicka <jh@suse.cz>
3202 * convert.c (convert_to_integer): Use fold_convert for
3203 converting an INTEGER_CST to integer type.
3205 2012-01-16 Jason Merrill <jason@redhat.com>
3208 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3210 2012-01-16 Jakub Jelinek <jakub@redhat.com>
3213 * config/s390/s390.c (s390_chunkify_start): Don't skip
3214 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
3215 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3216 If insn is followed by NOTE_INSN_VAR_LOCATION or
3217 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3218 Don't use location of note insns.
3220 PR tree-optimization/51865
3221 * tree-inline.c (tree_function_versioning): Call remap_decl
3222 on DECL_RESULT whenever it has VOID_TYPE_P type.
3224 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3226 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3227 for calls to locally-binding MIPS16 functions if only the return
3228 type uses float regs.
3230 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
3231 Richard Sandiford <rdsandiford@googlemail.com>
3233 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3234 (SYMBOL_32_HIGH): Likewise.
3235 (mips_output_tls_reloc_directive): Declare.
3236 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3237 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3238 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3239 (mips_lo_relocs, mips_hi_relocs): Make extern.
3240 (mips16_stub_function): Move up file.
3241 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3242 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
3243 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
3244 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3245 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
3246 (mips_get_tp): Add MIPS16 support.
3247 (mips_legitimize_tls_address): Remove MIPS16 sorry().
3248 Generalize DTPREL and TPREL handling.
3249 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3250 Add MIPS16 TLS support.
3251 (mips_output_tls_reloc_directive): New function.
3252 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3253 * config/mips/predicates.md (symbolic_operand_with_high)
3254 (tls_reloc_operand): New predicates.
3255 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3256 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3257 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3258 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
3259 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3260 (*tls_get_tp_mips16_call_<mode>): Likewise.
3262 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
3264 PR rtl-optimization/51821
3265 * recog.c (peep2_find_free_register): Determine clobbered registers
3268 2012-01-14 Denis Chertykov <chertykov@gmail.com>
3271 * config/avr/avr-protos.h: Revert change of 2012-01-09.
3272 * config/avr/avr.c: Likewise.
3273 * config/avr/avr.h: Likewise.
3275 2012-01-13 Ian Lance Taylor <iant@google.com>
3278 * tree.h (TYPE_QUALS): Add cast to int.
3279 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3281 2012-01-13 Ian Lance Taylor <iant@google.com>
3283 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3284 comparing param_index to VEC_length result.
3286 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
3288 * c-decl.c: Do not include tree-mudflap.h
3289 * tree-optimize.c: Likewise.
3290 * Makefile.in: Update dependencies.
3292 2012-01-13 Richard Guenther <rguenther@suse.de>
3295 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3296 variable-sized result always use RSO.
3298 2012-01-12 DJ Delorie <dj@redhat.com>
3300 * cfgexpand.c (convert_debug_memory_address): Allow any valid
3301 pointer type, not just the default pointer type.
3303 2012-01-09 Richard Henderson <rth@redhat.com>
3304 Denis Chertykov <chertykov@gmail.com>
3307 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3308 * config/avr/avr.c (avr_can_eliminate): Simplify.
3309 (avr_initial_elimination_offset): Likewise.
3310 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3311 (expand_epilogue): Likewise.
3312 (avr_legitimize_address): Gut.
3313 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3314 (avr_hard_regno_nregs): New.
3315 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3316 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3317 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3318 add soft frame pointer.
3319 (CALL_USED_REGISTERS): Likewise.
3320 (REG_CLASS_CONTENTS): Likewise.
3321 (REGISTER_NAMES): Likewise.
3322 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3323 (HARD_FRAME_POINTER_REGNUM): New.
3324 (FRAME_POINTER_REGNUM): Use soft frame pointer.
3325 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3326 remove the HARD_FRAME_POINTER self-elimination.
3328 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
3331 * config/avr/avr.c (avr_encode_section_info): Test for absence of
3332 DECL_EXTERNAL when checking for initializers of progmem variables.
3334 2012-01-12 Ira Rosen <irar@il.ibm.com>
3336 PR tree-optimization/51799
3337 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3338 that the last operation is a type demotion.
3340 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
3342 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3343 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3345 2012-01-11 Jakub Jelinek <jakub@redhat.com>
3348 * combine.c (distribute_notes): If i3 is a noreturn call,
3349 allow old_size to be equal to args_size and make sure the
3350 noreturn call gets REG_ARGS_SIZE note.
3351 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3352 on noreturn calls even when the delta is 0.
3354 2012-01-11 Nathan Sidwell <nathan@acm.org>
3356 * gcov.c (STRING_SIZE): Remove.
3357 (generate_results): Erase annotations for source files with no
3358 coverage information.
3360 (output_lines): Use it.
3362 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3364 * gimple.h (gimplify_body): Remove first argument.
3365 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
3366 pointer set here, instead just pass DATA to walk_tree.
3367 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
3368 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3369 (unvisit_body): Likewise, but with unmark_visited.
3370 (gimplify_body): Remove BODY_P argument and adjust.
3371 (gimplify_function_tree): Adjust call to gimplify_body.
3372 * omp-low.c (finalize_task_copyfn): Likewise.
3374 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3376 * tree.h (build_function_decl_skip_args): Add boolean parameter.
3377 (build_function_type_skip_args): Delete.
3378 * tree.c (build_function_type_skip_args): Make static and add
3379 SKIP_RETURN parameter. Fix thinko in the handling of variants.
3380 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3381 pass it to build_function_type_skip_args.
3382 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3383 (tree_function_versioning): Likewise.
3384 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3385 build_function_decl_skip_args.
3386 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3387 and pass it to build_function_decl_skip_args/tree_function_versioning.
3388 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3389 * ipa-inline-transform.c (save_inline_function_body): Likewise.
3390 * trans-mem.c (ipa_tm_create_version): Likewise.
3391 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3392 * tree-inline.c (declare_return_variable): Remove always-true test.
3393 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
3394 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3395 * ipa-split.c (split_function): Skip the return value for the split
3396 part if it doesn't return.
3398 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3400 PR tree-optimization/49642
3401 * ipa-split.c (forbidden_dominators): New variable.
3402 (check_forbidden_calls): New function.
3403 (dominated_by_forbidden): Likewise.
3404 (consider_split): Check for forbidden dominators.
3405 (execute_split_functions): Initialize and free forbidden
3406 dominators info; call check_forbidden_calls.
3408 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3410 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3412 2012-01-11 Nick Clifton <nickc@redhat.com>
3414 * config/rx/rx.md (return): Define pattern.
3416 2012-01-11 Richard Guenther <rguenther@suse.de>
3418 * doc/extend.texi (malloc attribute): Adjust according to
3421 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
3422 Patrick Marlier <patrick.marlier@gmail.com>
3425 * trans-mem.c (get_cg_data): Traverse aliases if requested.
3426 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3427 (ipa_tm_note_irrevocable): Same.
3428 (ipa_tm_scan_irr_block): Same.
3429 (ipa_tm_decrement_clone_counts): Same.
3430 (ipa_tm_scan_irr_function): Same.
3431 (ipa_tm_create_version_alias): Same.
3432 (ipa_tm_create_version): Same.
3433 (ipa_tm_transform_calls_redirect): Same.
3434 (ipa_tm_transform_calls): Same.
3435 (ipa_tm_transform_transaction): Same.
3436 (ipa_tm_execute): Same.
3438 2012-01-10 Richard Guenther <rguenther@suse.de>
3441 * opts.c (common_handle_option): Handle -Werror.
3443 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
3445 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3448 2012-01-10 Jason Merrill <jason@redhat.com>
3450 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3453 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3455 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3456 supports R_386_TLS_GD_PLT reloc.
3457 (gcc_cv_as_ix86_tlsldmplt): Check if linker
3458 supports R_386_TLS_LDM_PLT reloc.
3459 * configure: Regenerate.
3460 * config.in: Regenerate.
3462 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
3465 Extend __pgmx semantics to linearize memory.
3466 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3467 determine if code comes inline or from libgcc.
3468 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3469 (movmem_qi, movmem_qi): Set constraint #2 to "n".
3470 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3471 (movmemx_qi, movmemx_hi): New insns.
3472 (xload_<mode>_libgcc): Rewrite to new insn condition.
3473 (xload_<mode>): Remove insns.
3474 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3475 cases that don't satisfy avr_xload_libgcc_p().
3476 (avr_addr_space_convert): Allow converting in any direction.
3477 (avr_addr_space_subset_p): Return always true.
3478 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3479 (avr_emit_movmemhi): Ditto.
3480 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3481 (avr_out_movmem): Ditto.
3482 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3483 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3484 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3485 (avr_encode_section_info): Encode 'progmem' in symbol flags.
3486 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3488 2012-01-10 Richard Guenther <rguenther@suse.de>
3490 PR tree-optimization/50913
3491 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3492 Require data-refs to be representable by Graphite with respect
3495 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
3497 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3498 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3500 2012-01-10 Tom de Vries <tom@codesourcery.com>
3502 PR rtl-optimization/51271
3503 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3504 handling annulled branch.
3506 2012-01-10 Richard Henderson <rth@redhat.com>
3508 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3509 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3510 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3511 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3512 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3513 arm_expand_vec_perm_const): New.
3514 * config/arm/arm-protos.h: Update.
3515 * config/arm/neon.md (UNSPEC_VCONCAT): New.
3516 (*neon_vswp<VDQX>): New.
3517 (neon_vcombine<VDX>): Use neon_split_vcombine.
3518 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3519 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3520 (vec_perm<VE>): New.
3522 2012-01-10 Richard Henderson <rth@redhat.com>
3524 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3525 use it if reload_completed.
3526 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3527 arm_output_asm_insn, arm_process_output_memory_barrier,
3528 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3529 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3530 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3531 arm_process_output_sync_insn, arm_output_sync_insn,
3532 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3533 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3534 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3535 (emit_unlikely_jump): New.
3536 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3537 (arm_split_atomic_op): New.
3538 * config/arm/arm-protos.h: Update.
3539 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3540 (struct arm_sync_generator): Remove.
3541 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3542 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3543 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3544 (VUNSPEC_LL, VUNSPEC_SC): New.
3545 (sync_result, sync_memory, sync_required_value, sync_new_value,
3546 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3547 (attr length): Don't use arm_sync_loop_insns.
3548 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3549 (movsfcc, movdfcc): Likewise.
3550 * config/arm/constraints.md (Ua): New.
3551 * config/arm/prediates.md (mem_noofs_operand): New.
3552 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3553 (sync_clobber, sync_t2_reqd): Remove.
3554 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3555 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3556 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3557 (arm_sync_compare_and_swap<SIDI>): Remove.
3558 (arm_sync_compare_and_swap<NARROW>): Remove.
3559 (arm_sync_lock_test_and_set<SIDI>): Remove.
3560 (arm_sync_lock_test_and_set<NARROW>): Remove.
3561 (arm_sync_new_<syncop><SIDI>): Remove.
3562 (arm_sync_new_<syncop><NARROW>): Remove.
3563 (arm_sync_new_nand<SIDI>): Remove.
3564 (arm_sync_new_nand<NARROW>): Remove.
3565 (arm_sync_old_<syncop><SIDI>): Remove.
3566 (arm_sync_old_<syncop><NARROW>): Remove.
3567 (arm_sync_old_nand<SIDI>): Remove.
3568 (arm_sync_old_nand<NARROW>): Remove.
3569 (*memory_barrier): Merge arm_output_memory_barrier.
3570 (atomic_compare_and_swap<QHSD>): New.
3571 (atomic_compare_and_swap<NARROW>_1): New.
3572 (atomic_compare_and_swap<SIDI>_1): New.
3573 (atomic_exchange<QHSD>): New.
3574 (cas_cmp_operand, cas_cmp_str): New.
3575 (atomic_op_operand, atomic_op_str): New.
3576 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3577 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3578 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3579 (arm_load_exclusive<NARROW>): New.
3580 (arm_load_exclusivesi, arm_load_exclusivedi): New.
3581 (arm_store_exclusive<QHSD>): New.
3583 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
3585 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3586 reload patterns if -mvsx-scalar-memory.
3588 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3589 generated, even -mno-vsx-scalar-double was used.
3590 (vsx_xscvdpsp_scalar): Likewise.
3591 (vsx_xscvspdp_scalar2): Likewise.
3593 2012-01-09 Tom de Vries <tom@codesourcery.com>
3594 Andrew Pinski <apinski@cavium.com>
3597 * reorg.c (fill_slots_from_thread): Don't speculate
3598 frame-related insns.
3600 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
3602 * sched-int.h (bb_note): Move to...
3603 * basic-block.h: ...here.
3604 * haifa-sched.c (bb_note): Move to...
3605 * cfgrtl.c: ...here.
3606 * function.c (next_block_for_reg): New function.
3607 (move_insn_for_shrink_wrap): Likewise.
3608 (prepare_shrink_wrap): Rewrite to use the above.
3610 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
3612 * gimple.c (is_gimple_non_addressable): Remove.
3613 * gimple.h: Remove is_gimple_non_addressable.
3614 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3615 is_gimple_non_addressable.
3616 * trans-mem.c (expand_assign_tm): Same.
3618 2012-01-09 Richard Guenther <rguenther@suse.de>
3620 PR tree-optimization/51775
3621 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3622 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3624 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3626 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3628 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3630 2012-01-09 Richard Guenther <rguenther@suse.de>
3632 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3634 2012-01-08 Jan Hubicka <jh@suse.cz>
3636 PR tree-optimize/51680
3637 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3638 on when known_vals needs to be computed; cleanup.
3640 2012-01-08 Jan Hubicka <jh@suse.cz>
3642 PR tree-optimize/51694
3643 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3645 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
3647 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3648 for -std=c++98 and -std=c++11 too.
3650 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
3652 * cfgloop.c (cancel_loop): Add free() of bbs array.
3654 2012-01-07 Jan Hubicka <jh@suse.cz>
3656 PR tree-optimization/51600
3657 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3658 that benefits small functions.
3660 2012-01-07 Jan Hubicka <jh@suse.cz>
3662 * ipa-inline.c (want_inline_small_function_p): Fix formating.
3664 2012-01-07 Jan Hubicka <jh@suse.cz>
3666 PR tree-optimization/51680
3667 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3668 whose inlining reduce unit size.
3670 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
3673 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3674 Add canonical node to containing_mem chain after the non-canonical
3675 one, even if there weren't any locs to propagate.
3676 (remove_useless_values): Keep only canonical values.
3677 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3678 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
3679 canonicalize mem_chain elements that are not discarded.
3681 2012-01-06 Jakub Jelinek <jakub@redhat.com>
3684 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3685 before emitting functions.
3687 PR gcov-profile/50127
3688 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3689 clear_aux_for_blocks.
3691 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
3694 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3696 2012-01-06 Arnaud Charlet <charlet@adacore.com>
3698 * c-decl.c (ext_block): Moved up.
3699 (collect_all_refs, for_each_global_decl): Take ext_block into account.
3701 2012-01-06 Han Shen <shenhan@google.com>
3703 Translate built-in include paths for sysroot.
3704 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3705 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3707 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3708 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3710 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3711 control whether sysroot should be prepended to gxx include dir.
3713 * configure: Regenerate.
3715 2012-01-06 Torvald Riegel <triegel@redhat.com>
3717 PR rtl-optimization/51771
3718 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3719 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3721 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3723 PR tree-optimization/51315
3724 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3725 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3727 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
3730 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3731 for shrp pattern. Correctly handle and fixup shift variable.
3732 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3734 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3737 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
3738 note when !ACCUMULATE_OUTGOING_ARGS.
3740 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3742 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3744 (extract_range_from_unary_expr_1): Avoid useless computations.
3746 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3748 PR rtl-optimization/51767
3749 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
3750 of jump_block and add an extra edge for degenerated asm gotos.
3753 * stmt.c (check_unique_operand_names): Don't ICE during error
3754 reporting if i is from labels chain.
3757 * profile.c (branch_prob): Split bbs that have exit edge
3758 and need a fake entry edge too.
3760 2012-01-05 Jan Hubicka <jh@suse.cz>
3763 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
3766 2012-01-05 Richard Guenther <rguenther@suse.de>
3769 * tree-streamer-out.c (write_ts_optimization): New function.
3770 (streamer_write_tree_body): Call it.
3771 * tree-streamer-in.c (lto_input_ts_optimization): New function.
3772 (streamer_read_tree_body): Call it.
3773 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
3775 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3778 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
3779 * gimplify.c (gimplify_cleanup_point_expr): Save and set
3780 in_cleanup_point_expr before gimplify_stmt call and restore it
3782 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
3783 in_cleanup_point_expr is false.
3785 2012-01-05 Richard Guenther <rguenther@suse.de>
3788 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
3790 * toplev.c (process_options): Reject combining mudflap and LTO.
3791 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
3793 2012-01-05 Richard Guenther <rguenther@suse.de>
3795 PR tree-optimization/51760
3796 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
3798 (bit_value_unop): Handle UNDEFINED operands.
3799 (bit_value_binop): Likewise.
3801 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
3803 * config/avr/avr.c (avr_replace_prefix): Remove.
3804 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
3805 (avr_asm_function_rodata_section): Ditto.
3806 (avr_asm_select_section): Ditto.
3808 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
3810 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
3813 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3816 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
3817 calls that have any non-fake successor edges.
3820 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
3822 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
3824 PR tree-optimization/51624
3825 * tree-sra.c (build_ref_for_model): When replicating a chain of
3826 COMPONENT_REFs, stop as soon as the offset would become negative.
3828 2012-01-04 Jakub Jelinek <jakub@redhat.com>
3831 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
3832 in .debug_loc on the floor.
3834 2012-01-04 Andrew Pinski <apinski@cavium.com>
3836 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
3838 2012-01-04 Andrew Pinski <apinski@cavium.com>
3839 Adam Nemet <anemet@caviumnetworks.com>
3841 * config/mips/mips.md (size): Add SI and DI.
3842 (SIZE): New mode attribute.
3843 (U): New code attribute.
3844 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
3845 (mips_lbux_<mode>): Delete.
3846 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
3847 (mips_lhx): Use gen_mips_lhx_extsi.
3848 (mips_lhx_<mode>): Delete.
3850 (mips_l<size>x): New expand.
3851 (mips_lwx_<mode>): Delete.
3852 (mips_l<GPR:size>x_<P:mode>): New pattern.
3853 (*mips_lw<u>x_<P:mode>_ext): Likewise.
3854 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
3855 * config/mips/mips.c (mips_lx_address_p): New function.
3856 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
3857 (dsp64): New availability predicate.
3858 (mips_builtins): Add an entry for __builtin_mips_ldx.
3859 * config/mips/mips.h (ISA_HAS_LBX): New define.
3860 (ISA_HAS_LBUX): Likewise.
3861 (ISA_HAS_LHX): Likewise.
3862 (ISA_HAS_LHUX): Likewise.
3863 (ISA_HAS_LWX): Likewise.
3864 (ISA_HAS_LWUX): Likewise.
3865 (ISA_HAS_LDX): Likewise.
3866 * doc/extend.texi (__builtin_mips_ldx): Document.
3868 2012-01-04 Tristan Gingold <gingold@adacore.com>
3870 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
3871 when long pointers are used.
3872 * config.build (*-*-*vms*): Handle all OpenVMS targets.
3873 (alpha64-dec-*vms*, alpha*-dec-*vms*)
3874 (ia64-hp-*vms*): Remove.
3875 * config/vms/xm-vms64.h: Delete.
3877 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3880 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
3882 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3884 * opts.c (finish_options): Remove duplicate sorry.
3886 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3889 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
3892 2012-01-04 Richard Guenther <rguenther@suse.de>
3895 * tree.c (size_low_cst): New function.
3896 * tree.h (size_low_cst): Declare.
3897 * fold-const.c (fold_comparison): Use it to extract the low
3898 part of the POINTER_PLUS_EXPR offset.
3900 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
3902 Fix clearing ZERO_REG
3903 * config/avr/avr.md (cc): Add alternative "ldi".
3904 (movqi_insn): Use it in cc attribute.
3905 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
3906 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
3907 (output_reload_insisf): Use ZERO_REG to pre-clear register.
3909 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3911 * configure: Regenerate.
3913 2012-01-04 Richard Guenther <rguenther@suse.de>
3915 PR tree-optimization/49651
3916 * tree-ssa-structalias.c (type_can_have_subvars): New function.
3917 (var_can_have_subvars): Use it.
3918 (get_constraint_for_1): Only consider subfields if there can be any.
3920 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3923 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
3924 to its new canonical_cselib_val and the cselib_val was in
3925 first_containing_mem chain, but the canonical_cselib_val was not,
3926 add the latter into the chain.
3927 (cselib_invalidate_mem): Compare canonical_cselib_val of
3928 addr_list chain elt with v.
3931 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
3932 dwarf2out_undef): Allocate e.info using ggc_strdup instead
3934 (output_macinfo_op): Don't ggc_strdup fd->filename.
3935 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
3936 then ggc_strdup it. Don't free inc->info or cur->info.
3937 (output_macinfo): Don't free ref->info or file->info.
3939 2012-01-03 Ira Rosen <irar@il.ibm.com>
3941 PR tree-optimization/51269
3942 * tree-vect-loop-manip.c (set_prologue_iterations): Make
3943 first_niters a pointer.
3944 (slpeel_tree_peel_loop_to_edge): Likewise.
3945 (vect_do_peeling_for_loop_bound): Update call to
3946 slpeel_tree_peel_loop_to_edge.
3947 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
3948 here. Remove it from the parameters list.
3949 (vect_do_peeling_for_alignment): Update calls and compute
3952 2012-01-03 Richard Guenther <rguenther@suse.de>
3954 PR tree-optimization/51070
3955 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3956 Properly handle calls.
3958 2012-01-03 Richard Guenther <rguenther@suse.de>
3960 PR tree-optimization/51692
3961 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
3962 the LHS of allocation stmts.
3964 2012-01-03 Olivier Hainque <hainque@adacore.com>
3966 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
3968 2012-01-03 Olivier Hainque <hainque@adacore.com>
3970 * collect2.c (main): In AIX specific computations for vector
3971 insertions, use CONST_CAST2 to cast from char ** to const char **.
3973 2012-01-03 Richard Guenther <rguenther@suse.de>
3976 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
3977 the context of a limbo DIE when it does not already exist.
3979 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3981 PR tree-optimization/51719
3982 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
3983 but direct call is, clear direct call's lhs and don't add fallthrough
3984 edge from dcall_bb to join_bb and PHIs.
3986 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3988 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
3989 the instructions emitted by the pattern.
3990 ("*TDC_insn_<mode>"): Add comment.
3992 2012-01-03 Richard Guenther <rguenther@suse.de>
3995 * fold-const.c (fold_comparison): Properly canonicalize
3996 tree offset and HOST_WIDE_INT bit position.
3998 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
4000 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
4001 operands for extzv pattern.
4003 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4006 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
4009 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
4011 * doc/invoke.texi (-flto and related options): Copy-edit.
4013 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4015 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
4017 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4019 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
4022 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4024 * expr.h (move_by_pieces_ninsns): Declare.
4025 * expr.c (move_by_pieces_ninsns): Make external.
4026 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
4027 (mips_store_by_pieces_p): Likewise.
4028 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
4029 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
4030 * config/mips/mips.c (mips_move_by_pieces_p): New function.
4031 (mips_store_by_pieces_p): Likewise.
4033 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4035 * passes.c (register_one_dump_file): Free full_name.
4037 * reload1.c (reload): Don't allocate reg_max_ref_width here.
4038 (calculate_elim_costs_all_insns): Free offsets_at and
4039 offsets_known_at at the end and clear the pointers.
4041 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4043 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
4044 this option introduced in r180739.
4046 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4049 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
4050 (tmake_file target=avr): Add avr/t-multilib.
4052 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
4053 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
4054 * config/avr/genmultilib.awk: New file.
4055 * config/avr/t-multilib: New auto-generated file.
4056 * config/avr/multilib.h: New auto-generated file.
4057 * config/avr/t-avr (AVR_MCUS): New variable.
4058 (genopt.sh): Use it.
4059 (s-mlib): Depend on t-multilib.
4060 (t-multilib, multilib.h): New dependencies.
4061 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
4062 (MULTILIB_OPTIONS): Remove.
4063 (MULTILIB_MATCHES): Remove.
4064 (MULTILIB_DIRNAMES): Remove.
4065 (MULTILIB_EXCEPTIONS): Remove:
4066 * config/avr/genopt.sh: Don't use hard coded file name;
4067 pass AVR_MCUS from t-avr instead.
4069 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4071 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
4073 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4075 Implement light-weight DImode support.
4076 * config/avr/avr-dimode.md: New file.
4077 * config/avr/avr.md: Include it.
4078 (adjust_len): Add plus64, compare64.
4079 (HIDI): Remove code iterator.
4080 (code_stdname): New code attribute.
4081 (rotx, rotsmode): Remove DI.
4082 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
4084 * config/avr/avr-protos.h (avr_have_dimode): New.
4085 (avr_out_plus64, avr_out_compare64): New.
4086 * config/avr/avr.c (avr_out_compare): Handle DImode.
4087 (avr_have_dimode): New variable definition and initialization.
4088 (avr_out_compare64, avr_out_plus64): New functions.
4089 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
4090 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
4091 (avr_compare_pattern): Skip DImode comparisons.
4093 2012-01-02 Revital Eres <revital.eres@linaro.org>
4095 * ddg.c (def_has_ccmode_p): New function.
4096 (add_cross_iteration_register_deps,
4097 create_ddg_dep_from_intra_loop_link): Call it.
4099 2012-01-02 Richard Guenther <rguenther@suse.de>
4102 * invoke.texi (fassociative-math): Remove spurious paranthesis.
4104 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4106 * gcc.c (process_command): Update copyright notice dates.
4107 * gcov.c (print_version): Likewise.
4108 * gcov-dump.c (print_version): Likewise.
4109 * mips-tfile.c (main): Likewise.
4110 * mips-tdump.c (main): Likewise.
4112 2012-01-01 Ira Rosen <irar@il.ibm.com>
4114 PR tree-optimization/51704
4115 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
4116 a use is inside the basic block or loop before accessing its vect info.
4118 2012-01-01 Jan Hubicka <jhjh@suse.cz>
4120 PR rtl-optimization/51069
4121 * cfgloopmanip.c (remove_path): Removing path making irreducible
4122 region unconditional makes BB part of the region.
4124 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4126 PR tree-optimization/51683
4127 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
4128 calls with side-effects.
4129 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
4131 Copyright (C) 2012 Free Software Foundation, Inc.
4133 Copying and distribution of this file, with or without modification,
4134 are permitted in any medium without royalty provided the copyright
4135 notice and this notice are preserved.