1 2012-03-11 H.J. Lu <hongjiu.lu@intel.com>
3 * config/i386/i386.c (x86_this_parameter): Replace DImode with
6 2012-03-11 H.J. Lu <hongjiu.lu@intel.com>
8 * config/i386/i386.md (lwp_slwpcb): Check Pmode instead of
11 2012-03-11 H.J. Lu <hongjiu.lu@intel.com>
12 Uros Bizjak <ubizjak@gmail.com>
14 * config/i386/predicates.md (call_insn_operand): Allow
15 constant_call_address_operand in Pmode only.
16 (sibcall_insn_operand): Ditto.
17 * config/i386/i386.md (*call): Use W mode iterator instead of P mode.
18 (*call_vzeroupper): Ditto.
20 (*sibcall_vzeroupper): Ditto.
22 (*call_value_vzeroupper): Ditto.
23 (*sibcall_value): Ditto.
24 (*sibcall_value_vzeroupper): Ditto.
25 (*indirect_jump): Ditto.
26 (*tablejump_1): Ditto.
27 (indirect_jump): Convert memory address to word mode for TARGET_X32.
29 * config/i386/i386.c (ix86_expand_call): Convert indirect operands
32 2012-03-11 Oleg Endo <olegendo@gcc.gnu.org>
35 * config/sh/sh.md (movnegt): Expand into respective insns immediately.
36 Use movrt_negc instead of negc pattern for non-SH2A.
38 (*movrt_negc, *negnegt, *movtt, *movt_qi): New insns and splits.
40 2012-03-10 H.J. Lu <hongjiu.lu@intel.com>
42 * config/i386/i386.c (ix86_decompose_address): Disallow fs:(reg)
43 if Pmode != word_mode.
44 (legitimize_tls_address): Call gen_tls_initial_exec_x32 if
45 Pmode == SImode for TARGET_X32.
47 * config/i386/i386.md (UNSPEC_TLS_IE_X32): New.
48 (tls_initial_exec_x32): Likewise.
50 2012-03-10 Chung-Lin Tang <cltang@codesourcery.com>
52 PR rtl-optimization/52528
53 * combine.c (can_combine_p): Add setting of subst_low_luid
54 before call to expand_field_assignment().
56 2012-03-09 Sandra Loosemore <sandra@codesourcery.com>
58 * doc/invoke.texi: Use correct names/markup for "GCC", "GDB", "ld",
59 and related program names.
61 2012-03-09 Sandra Loosemore <sandra@codesourcery.com>
63 * doc/invoke.texi: Use correct names for "DWARF", "stabs", and "ELF".
65 2012-03-09 Uros Bizjak <ubizjak@gmail.com>
68 * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
69 (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
71 * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
72 (*movdi_internal_rex64): Use %E operand modifier for lea.
73 (*movsi_internal): Ditto.
75 (*lea<mode>_2): Ditto.
76 (*lea_{3,4,5,6}_zext): Ditto.
77 (*tls_global_dynamic_32_gnu): Ditto.
78 (*tls_global_dynamic_64): Ditto.
79 (*tls_dynamic_gnu2_lea_32): Ditto.
80 (*tls_dynamic_gnu2_lea_64): Ditto.
81 (pro_epilogue_adjust_stack_<mode>_add): Ditto.
83 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
85 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
86 redefine to be NULL if the current bit-size is different from the
89 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
90 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
91 set the default tuning. Add asserts to make sure the cpu and tune
92 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
93 test whether the index is set, instead of > 0.
94 (rs6000_file_start): Do not reset the default cpu if the current
95 bit-size is different from the configured bit-size.
97 2012-03-09 Tristan Gingold <gingold@adacore.com>
99 * config/vms/vms-crtlmap.map: Add comments.
100 Add entries needed to build Ada RTS.
102 2012-03-09 Tristan Gingold <gingold@adacore.com>
104 * ginclude/stddef.h: Do not define __size_t on VMS.
106 2012-03-09 Tristan Gingold <gingold@adacore.com>
108 * c-tree.h (c_default_pointer_mode): New variable.
109 * c-decl.c (c_default_pointer_mode): New variable.
110 (c_build_pointer_type): New function.
111 (grokdeclarator): Call c_build_pointer_type instead
112 of build_pointer_type.
114 * config/vms/vms-c.c: Include c-tree.h
115 (saved_pointer_mode): New variable.
116 (handle_pragma_pointer_size): New function.
117 (vms_pragma_pointer_size, vms_pragma_required_pointer_size): Likewise.
118 (vms_c_register_pragma): Register __pointer_size and
119 __required_pointer_size pragmas.
121 2012-03-09 Tristan Gingold <gingold@adacore.com>
123 * config/vms/vms-c.c (vms_construct_include_filename): New function.
124 (vms_c_register_includes): Reference it.
126 2012-03-09 Andrew Pinski <apinski@cavium.com>
129 * tree-ssa-phiopt.c: Include tree-pretty-print.h for
131 (tree_ssa_phiopt_worker): Go through all the PHIs for
132 value_replacement instead of just the singleton one.
133 (value_replacement): Change return type to int. Return 0 instead of
135 Allow the middle basic block to contain more than just the defining
137 Handle non empty middle basic blocks.
138 * Makefile.in (tree-ssa-phiopt.o): Add tree-pretty-print.h.
140 2012-03-09 Jiangning Liu <jiangning.liu@arm.com>
142 * tree-scalar-evolution (interpret_rhs_expr): generate chrec for
143 array reference and component reference.
144 (analyze_scalar_evolution_for_address_of): New.
146 2012-03-08 Jie Zhang <jzhang918@gmail.com>
149 * config/bfin/bfin.c (hwloop_optimize): Fix unused variable warnings.
150 (hwloop_pattern_reg): Fix set but not used warning.
151 (bfin_reorg_loops): Remove unused parameter.
152 (bfin_reorg): Update use of bfin_reorg_loops.
154 2012-03-08 H.J. Lu <hongjiu.lu@intel.com>
156 * config/i386/i386.c (setup_incoming_varargs_64): Use word_mode
157 with integer parameters in registers.
158 (gen_push): Push register in word_mode instead of Pmode.
159 (ix86_emit_save_regs): Likewise.
160 (ix86_emit_save_regs_using_mov): Save integer registers in word_mode.
161 (gen_pop): Pop register in word_mode instead of Pmode.
162 (ix86_emit_restore_regs_using_pop): Likewise.
163 (ix86_expand_prologue): Replace Pmode with word_mode for push
164 immediate. Use ix86_gen_pro_epilogue_adjust_stack. Save and
165 restore RAX and R10 in word_mode.
166 (ix86_emit_restore_regs_using_mov): Restore integer registers
168 (ix86_expand_split_stack_prologue): Save R10_REG and restore in
170 (ix86_split_to_parts): Use word_mode with PUT_MODE for push.
171 (ix86_split_long_move): Likewise.
173 * config/i386/i386.md (W): New.
174 (*push<mode>2_prologue): Replace :P with :W.
175 (*pop<mode>1): Likewise.
176 (*pop<mode>1_epilogue): Likewise.
177 (push/pop peephole2): Use word_mode scratch registers.
179 2012-03-08 Uros Bizjak <ubizjak@gmail.com>
181 * config/i386/predicates.md (indirect_branch_operand): Simplify.
183 2012-03-08 Georg-Johann Lay <avr@gjlay.de>
185 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
186 for constants in [-63,63].
188 2012-03-08 Uros Bizjak <ubizjak@gmail.com>
192 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
194 * config/i386/i386.c (ix86_print_operand_address): Only handle
195 zero-extended DImode addresses.
197 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
199 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
200 * configure: Regenerate.
202 2012-03-08 Georg-Johann Lay <avr@gjlay.de>
205 * config/avr/avr.c (avr_mem_clobber): New static function.
206 (avr_expand_delay_cycles): Add memory clobber operand to
207 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
208 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
209 (enable_interrupt, disable_interrupt): New expander.
210 (nopv, sleep, wdr): New expanders.
211 (delay_cycles_1): Add memory clobber.
212 (delay_cycles_2): Add memory clobber.
213 (delay_cycles_3): Add memory clobber.
214 (delay_cycles_4): Add memory clobber.
215 (cli_sei): New insn from former "enable_interrupt",
216 "disable_interrupt" with memory clobber.
217 (*wdt): New insn from former "wdt" with memory clobber.
218 (*nopv): Similar, but for "nopv".
219 (*sleep): Similar, but for "sleep".
221 2012-03-07 Oleg Endo <olegendo@gcc.gnu.org>
222 Kaz Kojima <kkojima@gcc.gnu.org>
225 * config/sh/sh.opt (msoft-atomic): Use Var instead of Mask.
226 * config/sh/linux.h (TARGET_DEFAULT): Remove MASK_SOFT_ATOMIC.
227 (SUBTARGET_OVERRIDE_OPTIONS): Define.
229 2012-03-07 Uros Bizjak <ubizjak@gmail.com>
231 * config/i386/predicates.md (x86_64_zext_general_operand): New.
232 * config/i386/i386.md (*zero_extendsidi2_rex64): Change operand 1
233 predicate to x86_64_zext_general_operand. Accept "Z" constraint.
235 2012-03-07 Walter Lee <walt@tilera.com>
237 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
238 REG_CFA_* notes for the stack pointer.
239 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
240 EH_RETURN_STACKADJ_RTX.
241 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
242 generate REG_CFA_* notes for the stack pointer.
243 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
244 by EH_RETURN_STACKADJ_RTX.
246 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
248 * doc/invoke.texi (AVR Built-in Macros): Correct condition for
249 when __AVR_3_BYTE_PC__ is defined.
251 2012-03-07 Uros Bizjak <ubizjak@gmail.com>
253 * config/i386/i386.c (ix86_print_operand_punct_valid_p): Add '^'.
254 (ix86_print_operand): Handle '^'.
255 * config/i386/i386.md (*strmovdi_rex_1): Macroize memory operands
256 using P mode iterator. Add %^ to asm template to conditionally emit
258 (*rep_movdi_rex64): Ditto.
259 (*strsetdi_rex_1): Ditto.
260 (*rep_stosdi_rex64): Ditto.
261 (*strmov{si,hi,qi}_1): Add %^ to asm template to
262 conditionally emit addr32 prefix.
263 (*rep_mov{si,qi}): Ditto.
264 (*strset{si,hi,qi}): Ditto.
265 (*rep_stos{si,qi}): Ditto.
266 (*cmpstrnqi_nz_1): Ditto.
267 (*cmpstrnqi_1): Ditto.
268 (*strlenqi_1): Ditto.
270 2012-03-07 H.J. Lu <hongjiu.lu@intel.com>
272 * config/i386/i386.c (function_value_64): Return pointers in
273 word_mode instead of Pmode.
274 (ix86_promote_function_mode): Likewise.
276 2012-03-07 Richard Guenther <rguenther@suse.de>
278 * coverage.c (get_gcov_type): Use type_for_mode.
279 (get_gcov_unsigned_t): Likewise.
280 * expr.c (store_constructor): Use type_for_mode.
281 (try_casesi): Likewise.
282 * tree-ssa-loop-ivopts.c (add_standard_iv_candidates_for_size): Remove.
283 (add_standard_iv_candidates): Use standard type trees.
284 * dojump.c (do_jump): Remove dead code.
286 2012-03-07 Richard Guenther <rguenther@suse.de>
288 * c-typeck.c (pointer_diff): Use c_common_type_for_size.
290 2012-03-07 Richard Guenther <rguenther@suse.de>
292 * convert.c (strip_float_extensions): Move ...
293 * tree.c (strip_float_extensions): ... here.
295 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
298 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
300 2012-03-07 Richard Guenther <rguenther@suse.de>
302 * omp-low.c (extract_omp_for_data): Use signed_type_for.
303 (expand_omp_for_generic): Likewise.
304 (expand_omp_for_static_nochunk): Likewise.
305 (expand_omp_for_static_chunk): Likewise.
306 * tree-vect-stmts.c (vect_gen_perm_mask): Use type_for_mode.
307 * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
308 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop):
309 Use unsigned_type_for.
310 (vect_create_cond_for_align_checks): Use signed_type_for.
312 2012-03-07 Andrey Belevantsev <abel@ispras.ru>
314 PR rtl-optimization/52203
315 * sel-sched.c (estimate_insn_cost): New parameter pempty. Adjust
316 all callers to pass NULL except ...
317 (reset_sched_cycles_in_current_ebb): ... here, save the value
318 in new variable 'empty'. Increase issue_rate only for
321 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
324 * Makefile.in: Let install-gcc-ar depend on installdirs,
325 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
326 Don't double canonicalize if cross-compiling.
328 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
331 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
332 to: RAMPZ, RAMPY, RAMPX, RAMPD.
333 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
335 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
338 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
340 * config/avr/avr.md (xload_8): Adjust insn length.
342 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
345 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
346 if RAMPZ affects reading from RAM.
348 2012-03-07 Richard Guenther <rguenther@suse.de>
352 * doc/invoke.texi (Precompiled Headers): Remove sentence that
353 suggests you can include PCHs from inside another header.
355 2012-03-07 Richard Sandiford <rdsandiford@googlemail.com>
358 * rtl.h (pc_rtx, cc0_rtx, ret_rtx, simple_return_rtx): Add GTY markers.
360 2012-03-07 Kai Tietz <ktietz@redhat.com>
362 * doc/invoke.texi (fwritable-relocated-rdata): Document
363 new Cygwin/MinGW target option.
364 * config/i386/winnt.c (i386_pe_unique_section): Ignore
365 reloc if flag -fwritable-relocated-rdata is not set.
366 (i386_pe_section_type_flags): Likewise.
367 * config/i386/cygming.opt (fwritable-relocated-rdata):
368 Add new flag variable flag_writable_rel_rdata.
370 2012-03-07 Richard Guenther <rguenther@suse.de>
372 * tree-ssa-math-opts.c (convert_mult_to_widen): Check actual
373 precision against gimple constraints.
375 2012-03-06 Richard Sandiford <rdsandiford@googlemail.com>
378 * rtl.h (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): Redefine as
380 (GR_PC, GR_CC0, GR_RETURN, GR_SIMPLE_RETURN): Delete.
381 * emit-rtl.c (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): New
383 (init_emit_regs): Move associated initialization to...
384 (init_emit_once): ...here.
386 2012-03-06 Richard Henderson <rth@redhat.com>
388 * config/m68k/m68k.h (ISA_HAS_TAS): New.
389 * config/m68k/sync.md (atomic_test_and_set): Use it.
390 (atomic_test_and_set_1): Likewise.
392 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
395 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
396 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
397 (vector_ltgt<mode>): Likewise.
398 (vector_ordered<mode>): Likewise.
399 (vector_unordered<mode>): Likewise.
400 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
402 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
404 * trans-mem.c: New typedef for tm_region_p.
405 Define vector types for tm_region_p.
406 (tm_region_init): Replace region_worklist to a vector called
409 2012-03-06 Richard Guenther <rguenther@suse.de>
411 * fold-const.c (build_fold_addr_expr_with_type_loc): Fold
412 MEM_REF with constant pointer operand.
414 2012-03-06 Richard Guenther <rguenther@suse.de>
417 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
419 2012-03-06 Tristan Gingold <gingold@adacore.com>
421 * config/vms/vms-c.c (vms_pragma_nomember_alignment): Handle octaword.
422 (external_model_kind): Improve documentation.
423 (vms_pragma_extern_model): Handle relaxed_redef.
424 (vms_c_register_pragma): Allow expansion for nomember_alignment.
426 2012-03-06 Georg-Johann Lay <avr@gjlay.de>
428 * doc/invoke.texi (AVR Options): -mmcu=: Document the XMEGA cores.
429 Explain RAMPD, RAMPX, RAMPDY, RAMPZ usage by avr-gcc.
430 Some more notes on EIND usage and reorder EIND subsection.
432 2012-03-06 Tristan Gingold <gingold@adacore.com>
434 * config/vms/vms.c (VMS_CRTL_LDBL): Rename from VMS_CRTL_PRNTF.
435 * config/vms/vms-crtlmap.map: Rename PRNTF to LDBL.
437 2012-03-06 Tristan Gingold <gingold@adacore.com>
439 * config/vms/t-vmsnative (version): Define.
440 * config/vms/t-vms (STMP_FIXPROTO, STMP_FIXINC, version): Remove.
442 2012-03-06 Andrey Belevantsev <abel@ispras.ru>
444 PR rtl-optimization/52250
445 * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
446 to put note list into. Unconditionally call move_bb_info.
447 (move_bb_info): Do not assert the blocks being in the same region,
448 just drop the note list if they are not.
450 2012-03-06 Oleg Endo <olegendo@gcc.gnu.org>
453 * config/sh/sh.c (sh_expand_t_scc): Remove SH2A special case
454 and use unified expansion logic.
455 * config/sh/sh.md (xorsi3_movrt): Rename to movrt. Move
456 closer to the existing movt insn.
457 (negc): Rename insn to *negc. Add new expander.
458 (movnegt): Use xor pattern for T bit negation. Reserve helper
459 constant for negc pattern.
460 (*movnegt): New insn and splitter.
462 2012-03-05 Bernd Schmidt <bernds@codesourcery.com>
464 * c-typeck.c (pointer_diff): Check for POINTER_PLUS_EXPR, not
467 2012-03-05 Richard Henderson <rth@redhat.com>
469 * genemit.c (main): Include "target.h" in insn-emit.c.
470 * Makefile.in (insn-emit.o): Depend on TARGET_H.
471 * config/sh/sync.md (atomic_test_and_set): Reference
472 targetm.atomic_test_and_set_trueval instead of
473 TARGET_ATOMIC_TEST_AND_SET_TRUEVAL.
475 2012-03-05 Joern Rennecke <joern.rennecke@embecosm.com>
477 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
480 2012-03-05 Steven Bosscher <steven@gcc.gnu.org>
482 * langhooks.c (add_builtin_type): New function.
483 * langhooks.h (add_builtin_type): Export it.
484 * config/mep/mep.c (mep_init_builtins): Use it.
485 * config/rs6000/rs6000.c (rs6000_init_builtins): Use it.
487 2012-03-05 Jakub Jelinek <jakub@redhat.com>
490 * tree.h (BLOCK_SAME_RANGE): Define.
491 * function.c (block_fragments_nreverse): Clear BLOCK_SAME_RANGE
492 if BLOCK_FRAGMENT_CHAIN is non-NULL, but has it cleared.
493 Also clear BLOCK_SAME_RANGE if fragment chain's supercontext fragment
494 isn't equal to supercontext fragment's fragment chain.
495 Adjust BLOCK_SUPERCONTEXT to point to supercontext fragment's
497 (blocks_nreverse_all): Likewise.
498 (reorder_blocks_1): Compute BLOCK_SAME_RANGE bits. Set
499 BLOCK_SUPERCONTEXT to supercontext fragment instead of
500 supercontext fragment's fragment origin.
501 * dwarf2out.c (add_high_low_attributes): If stmt has the same
502 range as its parent (or parents thereof etc.), use the parent's
503 DW_AT_ranges value instead of creating a new .debug_ranges range.
505 2012-03-05 Richard Henderson <rth@redhat.com>
508 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
509 * omp-low.c (expand_omp_atomic): Assume anything aligned to
510 BIGGEST_ALIGNMENT is aligned.
512 2012-03-05 Richard Henderson <rth@redhat.com>
514 * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Move...
515 * config/sh/sh.c: ... here.
517 2012-03-05 Richard Henderson <rth@redhat.com>
520 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
521 instead of calling negqi2 directly.
523 2012-03-05 Aldy Hernandez <aldyh@redhat.com>
526 * trans-mem.c (tm_region_init): Use last_basic_block.
528 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
530 * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
531 * config/sh/sync.md (atomic_test_and_set): New expander.
532 (tasb, atomic_test_and_set_soft): New insns.
533 * config/sh/sh.opt (menable-tas): New option.
534 * doc/invoke.texi (SH Options): Document it.
536 2012-03-05 Richard Guenther <rguenther@suse.de>
538 * cfgloop.c (verify_loop_structure): Verify dominators before
540 * graphite-clast-to-gimple.c (graphite_verify): Do not verify
541 dominators from here.
542 * graphite-scop-detection.c (create_sese_edges): Likewise.
543 * loop-doloop.c (doloop_optimize_loops): Likewise.
544 * loop-init.c (loop_optimizer_init): Likewise.
545 * loop-unroll.c (unroll_and_peel_loops): Likewise.
546 * loop-unswitch.c (unswitch_loops): Likewise.
547 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
548 * tree-parloops.c (parallelize_loops): Likewise. Verify
549 only when checking is enabled.
550 * tree-loop-distribution.c (tree_loop_distribution): Likewise.
552 2012-03-05 Bernd Schmidt <bernds@codesourcery.com>
554 * genautomata.c (parse_automata_opt): New static function.
555 (initiate_automaton_gen): Remove all option handling code. Remove
556 argc argument. All callers changed.
557 (main): Call init_rtx_reader_args_cb with the new function as argument.
559 2012-03-05 Richard Guenther <rguenther@suse.de>
561 * cfgexpand.c (gimple_expand_cfg): Free dominator info.
562 * tree-if-conv.c (combine_blocks): Free post-dominator info
564 * tree-parloops.c (create_parallel_loop): Free and re-compute
565 dominator info after breaking it.
567 2012-03-05 Richard Guenther <rguenther@suse.de>
570 * optabs.h (trapv_unoptab_p): New function.
571 (trapv_binoptab_p): Likewise.
572 * optabs.c (expand_binop): Use emit_libcall_block_1 with
573 a proper equiv_may_trap argument.
574 (expand_unop): Likewise.
575 (emit_libcall_block_1): Take extra argument whether the
576 instruction may trap. Renamed from ...
577 (emit_libcall_block): ... this. New wrapper.
579 2012-03-05 Jakub Jelinek <jakub@redhat.com>
581 PR tree-optimization/51721
582 * tree-vrp.c (register_edge_assert_for_2): If comparing
583 lhs of right shift by constant with an integer constant,
584 add ASSERT_EXPRs for the rhs1 of the right shift.
586 * cfgrtl.c (cfg_layout_merge_blocks): Cleanup.
588 2012-03-05 Richard Guenther <rguenther@suse.de>
590 * tree.c (integer_zerop): Handle VECTOR_CSTs.
591 (integer_onep): Likewise.
592 (integer_all_onesp): Likewise.
594 2012-03-05 Georg-Johann Lay <avr@gjlay.de>
596 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
598 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
600 * config/i386/i386.c (pro_epilogue_adjust_stack): Check Pmode
601 instead of TARGET_64BIT.
603 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
605 * config/i386/i386.c (ix86_expand_prologue): Check Pmode to set
608 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
610 * config/i386/i386.c (ix86_print_operand_address): Only handle
611 zero-extended DImode addresses.
613 2012-03-04 Uros Bizjak <ubizjak@gmail.com>
615 * config/i386/i386.c (ix86_print_operand) <case '+'>: Declare
616 taken and cputaken as bool.
618 2012-03-04 Uros Bizjak <ubizjak@gmail.com>
620 * config/i386/constraints.md (Ya): New internal constraint.
621 * config/i386/i386.md (zero_extendsidi2): Remove expansion.
622 (*zero_extendsidi2_rex64): Add x,x alternative.
623 (*zero_extendsidi2): Ditto. Add o,0 alternative.
624 Remove flags reg clobber. Adjust corresponding splits.
625 (zero_extend<mode>si2): Macroize expander from zero_extendhisi2 and
626 zero_extendqisi2 expanders using SWI12 mode iterator.
627 (zero_extend<mode>si2_and): Macroize insn from
628 zero_extendhisi2_and and zero_extendqisi2_and. Merge corresponding
630 (*zero_extend<mode>si2): Macroize insn from
631 *zero_extendhisi2_movzbl and *zero_extendqisi2_movzbl.
632 (*zero_extend*2_movzbl_and): Remove insn patterns.
633 (zero_extendqihi2_and): Merge corresponding splitter.
634 (*zero_extendqihi2): Rename from *zero_extendqihi2_movzbl.
635 (*zero_extend*2_movzbl_and): Remove insn patterns.
636 (*anddi_1): Split TYPE_IMOVX instructions.
637 (*andsi_1): Use Ya for alternative 2. Split TYPE_IMOVX instructions.
639 (and->zext splitter): Add splitter pattern.
640 (zero extend with andsi3 splitter): Adjust zero_extend pattern.
642 2012-03-04 Sandra Loosemore <sandra@codesourcery.com>
644 * doc/invoke.texi (C++ Dialect Options): Minor copy-edits to
646 (Debugging Options): Likewise.
647 (Optimize Options): Likewise.
648 (i386 and x86-64 Options): Discuss -march before -mtune, consistently
649 with other architectures. Use official processor names with correct
650 spelling/capitalization. Fix formatting and grammar issues.
651 (i386 and x86-64 Windows Options): Similar cleanup here.
653 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
655 * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
657 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
659 * config/sh/sh.c (sh_dwarf_register_span): Don't apply
662 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
664 * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
665 operand is CONST_INT. Take COSTS_N_INSNS into account.
666 (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value
669 2012-03-02 Richard Henderson <rth@redhat.com>
671 * optabs.c (expand_atomic_test_and_set): Honor
672 atomic_test_and_set_trueval even when atomic_test_and_set
675 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
679 * config/sh/sh.c (sh_register_move_cost): Increase cost between
680 GENERAL_REGS and FP_REGS for SImode.
682 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
685 * config/sh/sh.md (negdi2): Add TARGET_SH1 condition.
686 (absdi2): New expander.
687 (*absdi2, *negabsdi2, negdi_cond): New insns and splits.
689 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
691 * config/sh/sync.md (atomic_exchange<mode>): New expander.
692 (atomic_exchange<mode>_soft): New insn.
694 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
696 * config/sh/sync.md: Update copyright notice dates.
697 (atomic_compare_and_swap<mode>): Use SImode for return value instead
699 (atomic_compare_and_swap<mode>_soft): Likewise.
701 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
704 * config/sh/sh.h (LOOP_ALIGN): Move logic to sh_loop_align.
705 * config/sh/sh.c: Update copyright notice dates.
706 (sh_loop_align): Add logic from LOOP_ALIGN. Don't disable loop
707 alignment for TARGET_HARD_SH4.
708 (sh_option_override): Reduce default function alignment. Set
709 loop alignment to 4 bytes when not optimizing for size.
711 2012-03-02 Maxim Kuvyrkov <maxim@codesourcery.com>
714 * doc/invoke.texi (floop-flatten): Remove.
715 * toplev.c (process_options): Remove references to flag_loop_flatten.
716 * tree-ssa-loop.c (gate_graphite_transform): Same.
717 * common.opt (floop-flatten): Obsolete.
718 * graphite-poly.c (apply_poly_transforms): Remove reference to
720 * Makefile.in (graphite-flattening.o): Remove.
721 * graphite-flattening.c: Remove.
723 2012-03-02 Uros Bizjak <ubizjak@gmail.com>
725 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
726 having mode compatible with the mode of previous compare. Substitute
727 compare mode of previous compare with the mode, compatible
728 with eliminated and previous compare.
730 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
732 * config/rs6000/dfp.md (floatdidd2): New define_insn.
734 2012-03-02 Uros Bizjak <ubizjak@gmail.com>
736 * config/i386/i386.c (ix86_cc_modes_compatible): Declare CCZmode
737 compatible with CCGOCmode and CCGCmode.
739 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
741 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
743 2012-03-02 Ulrich Weigand <ulrich.weigand@linaro.org>
745 * config/arm/arm.c (arm_sat_operator_match): New function.
746 * config/arm/arm-protos.h (arm_sat_operator_match): Add prototype.
747 * config/arm/arm.md ("insn" attribute): Add "sat" value.
748 ("SAT", "SATrev"): New code iterators.
749 ("SATlo", "SAThi"): New code iterator attributes.
750 ("*satsi_<SAT:code>"): New pattern.
751 ("*satsi_<SAT:code>_shift"): Likewise.
752 * config/arm/arm-fixed.md ("arm_ssatsihi_shift"): Add "insn"
753 and "shift" attributes.
754 ("arm_usatsihi"): Add "insn" attribute.
755 * config/arm/predicates.md (sat_shift_operator): Allow multiplication
756 by powers of two. Do not allow shift by 32.
758 2012-03-02 Uros Bizjak <ubizjak@gmail.com>
761 * config/i386/i386.c (construct_container): Use gen_reg_or_parallel
762 to pass the argument in the register of "natural" mode.
764 2012-03-02 Richard Guenther <rguenther@suse.de>
766 PR tree-optimization/52406
767 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
768 (struct indices): Add unconstrained_base member.
769 (struct dr_alias): Remove unused vops member.
770 (DR_UNCONSTRAINED_BASE): New define.
771 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
772 add indices to allow their disambiguation. Make DR_BASE_OBJECT
773 be an artificial access that covers the whole indexed object,
774 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
775 plain decl base-objects to their MEM_REF variant.
776 (dr_may_alias_p): When the base-object of either data reference
777 has unknown size use only points-to information.
778 (compute_affine_dependence): Make dumps easier to read and
780 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
781 DR_REF when looking for packed references.
782 (vect_supportable_dr_alignment): Likewise.
784 2012-03-02 Greta Yorsh <Greta.Yorsh@arm.com>
786 * config/arm/arm-ldmstm.ml (write_ldm_commutative_peephole):
787 Improve conditions for peepholes of loads followed by commutative
789 * config/arm/ldmstm.md: Regenerated.
791 2012-03-02 Richard Guenther <rguenther@suse.de>
793 * BASE-VER: Set to 4.8.0.
795 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
797 * config.gcc (obsolete): Add all ARM targets using the FPA.
798 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
799 * doc/install.texi: Avoid references to obsolete ARM ports.
801 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
803 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
805 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
806 Joern Rennecke <joern.rennecke@embecosm.com>
808 * doc/extend.texi: Expand and update information on interrupt
809 attribute for Epiphany.
811 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
813 * config/sh/sh-protos.h: Update copyright notice dates.
814 * config/sh/sh.h: Likewise.
815 * config/sh/sh.md: Likewise.
816 * config/sh/constraints.md: Likewise.
817 * config/sh/predicates.md: Likewise.
819 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
821 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
822 * config/sh/sh.c (tertiary_reload_operand): Likewise.
824 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
826 * config/sh/constraints.md: Fix comment typo.
828 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
831 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
832 unsigned HOST_WIDE_INT.
833 (zvdep_imm64): Likewise.
834 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
835 (vdepi_and): Likewise.
836 Likewise for unamed 64-bit patterns.
837 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
839 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
842 PR rtl-optimization/52417
843 * cselib.c (cselib_any_perm_equivs): New variable.
844 (cselib_reset_table): Check that it's not set when not
845 preserving constants.
846 (cselib_add_permanent_equiv): Set it.
847 (cselib_have_permanent_equivalences): New.
848 (cselib_init, cselib_finish): Reset it.
849 * cselib.h (cselib_have_permanent_equivalences): Declare.
850 * alias.c (get_addr): Restore earlier behavior when there
851 aren't permanent equivalences.
853 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
855 * config/mn10300/mn10300-modes.def: Fix copyright notice.
856 * config/v850/v850-modes.def: Fix copyright notice.
858 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
860 * doc/extend.texi (AVR Built-in Functions): Document
861 __builtin_avr_flash_segment.
863 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
864 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
865 (*split.flash_segment): New insn-and-split.
866 * config/avr/avr.c (avr_init_builtins): Add local variables:
867 const_memx_void_node, const_memx_ptr_type_node,
868 char_ftype_const_memx_ptr.
870 2012-03-01 Jakub Jelinek <jakub@redhat.com>
872 PR tree-optimization/52445
873 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
874 add ssa_name_ver, offset and size fields and change store field
876 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
877 (add_or_mark_expr): Likewise. Only consider previous stores
878 with the same size and offset.
879 (nt_init_block): Only look at gimple_assign_single_p stmts,
880 doesn't look at rhs2.
882 2012-03-01 Richard Guenther <rguenther@suse.de>
885 * tree-cfg.c (verify_gimple_assign_unary): Allow any
886 conversions from integral types to pointer types.
888 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
890 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
891 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
892 unintentionally removed in r184616.
894 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
896 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
899 2012-02-29 Jakub Jelinek <jakub@redhat.com>
900 Uros Bizjak <ubizjak@gmail.com>
903 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
904 alternatives, add "e" constraint to the new last alternative
905 and ! to last 3 alternatives.
907 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
909 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
910 DW_AT_artificial attributes at the end of the processing.
911 (gen_array_type_die): Likewise.
912 (gen_enumeration_type_die): Likewise.
913 (gen_struct_or_union_type_die): Likewise.
914 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
917 2012-02-29 Jakub Jelinek <jakub@redhat.com>
920 * expr.c (expand_assignment): If doing misaligned store that doesn't
921 cover all mode bits, perform a RMW cycle.
923 PR tree-optimization/52429
924 * tree-parloops.c (separate_decls_in_region_debug): Return early
925 if var is LABEL_DECL.
927 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
929 PR tree-optimization/52424
930 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
931 calling dom_thread_across_edge.
933 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
935 * config/avr/avr.c: Move definition of TARGET macros to end of file.
937 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
939 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
940 * config/avr/avr.c (avr_output_bld): Remove unused function.
941 (avr_out_sbxx_branch): Use "%T" to print bit position.
943 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
945 * config/avr/avr.md: Untabify.
947 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
949 * config/avr/avr.md (eqne): New code iterator.
950 (*dec-and-branchsi): Use it in text peephole's condition.
951 (*dec-and-branchhi): Ditto.
952 (*dec-and-branchqi): Ditto.
954 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
957 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
958 the device does not have the skip-bug.
960 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
962 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
963 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
964 -mpretend-cmove): New.
966 2012-02-29 Jakub Jelinek <jakub@redhat.com>
969 * df.h (struct df_d): Adjust comment that hard_regs_live_count
970 doesn't count DEBUG_INSN refs.
971 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
974 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
978 2012-02-20 Richard Guenther <rguenther@suse.de>
979 PR tree-optimization/52298
980 * tree-vect-stmts.c (vectorizable_load): Properly use
981 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
984 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
987 * gimple.h (gimple_in_transaction): New.
988 (gimple_set_in_transaction): New.
989 (struct gimple_statement_base): Add in_transaction field.
990 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
992 (tree_ssa_lim_initialize): Compute transaction bits.
993 * tree.h (compute_transaction_bits): Protoize.
994 * trans-mem.c (tm_region_init): Use the heap to store BB
996 (compute_transaction_bits): New.
998 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1000 * gcc.c (display_help): Document --help=common and sort entries
1003 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1005 * doc/install.texi: Document check-$LANG specific shortcuts
1007 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1010 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1012 * config/arm/arm_neon.h: Regenerate.
1013 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1014 (neon_vcgeu): New insn.
1015 (neon_vcgtu): Likewise.
1016 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1017 (ops): Unsigned comparison intrinsics call a different builtin.
1019 2012-02-28 Richard Guenther <rguenther@suse.de>
1022 * config/i386/i386.c (ix86_expand_vector_set): Fix element
1023 ordering for the VEC_CONCAT for two element vectors for
1024 V2SFmode, V2SImode and V2DImode.
1026 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1029 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1030 detecting big-endian triplets.
1032 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1034 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1035 mode if there is no type information available.
1037 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
1039 PR tree-optimization/53207
1040 * doc/invoke.texi: Document as experimental and relying on graphite.
1042 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1044 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1045 of initializer to changes from r184614.
1047 2012-02-28 Richard Guenther <rguenther@suse.de>
1049 PR tree-optimization/52395
1050 * tree-sra.c (build_ref_for_offset): Also look at the base
1051 TYPE_ALIGN when figuring out the alignment of the replacement.
1053 2012-02-28 Richard Guenther <rguenther@suse.de>
1055 PR tree-optimization/52402
1056 * ipa-prop.c (ipa_modify_call_arguments): Properly use
1057 mis-aligned types when creating the accesses at the call site.
1059 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1061 * config/avr/builtins.def: New file.
1062 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1063 * config/avr/avr.c (enum avr_builtin_id): Use it.
1064 (avr_init_builtins): Use it. And use avr_bdesc.
1065 (bdesc_1arg): Remove.
1066 (bdesc_2arg): Remove.
1067 (bdesc_3arg): Remove.
1068 (struct avr_builtin_description): Add field n_args.
1069 (avr_bdesc): New static variable using builtins.def.
1070 (avr_expand_builtin): Use it.
1071 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1072 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1073 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1075 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1078 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1079 match only one single hard register with respective hard reg rtx.
1080 (movmemx_<mode>): Ditto.
1081 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1082 insn anatomy of movmem[x]_<mode>.
1083 (avr_out_movmem): Same for printing assembler and operand usage.
1085 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1089 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1090 address spaces located outside of device flash.
1092 * config/avr/avr.h (base_arch_s): Remove field n_segments.
1093 (mcu_type_s): Add field n_flash.
1094 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1095 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1096 (AVR_MCU): Add N_FLASH argument.
1097 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1098 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1099 macro __FLASH<n> if that address space makes sense for the device.
1100 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1101 outside of target flash.
1102 (avr_asm_named_section): Ditto.
1103 (avr_asm_select_section): Ditto.
1104 (avr_addr_space_convert): Ditto.
1105 (avr_emit_movmemhi): Ditto.
1106 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1107 address space is outside of device flash.
1108 (avr_insert_attributes): Ditto.
1109 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1110 avr_current_arch->n_segments.
1112 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
1115 * config/i386/i386.md (*movabs<mode>_1): Enable only for TARGET_LP64.
1116 (*movabs<mode>_2): Likewise.
1118 2012-02-27 Jakub Jelinek <jakub@redhat.com>
1121 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1122 s_register_operand in the test instead of REG_P. Don't call
1123 gen_reg_rtx if it won't be used.
1125 PR tree-optimization/52376
1126 * ipa-split.c (split_function): Ignore CLOBBER stmts.
1128 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
1130 * ifcvt.c (noce_get_condition): Check condition variable is not
1131 small_register_classes_for_mode_p before accepting.
1133 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
1135 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1137 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1140 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1141 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1143 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1145 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
1147 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1149 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
1151 * config/sh/predicates.md: Remove blank lines.
1152 * config/sh/sh.c: Fix typos in comments.
1153 * config/sh/constraints.md: Likewise.
1154 * config/sh/sh.md: Remove blank lines.
1155 Fix typos in comments. Use ;; as comment characters.
1157 2012-02-26 Walter Lee <walt@tilera.com>
1159 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1160 (replace_mov_pcrel_step2): Ditto.
1162 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
1165 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1166 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
1167 and locs that reference values newer than the non-canonical value
1168 at hand. Return the canonical value as a worst case.
1169 (memrefs_conflict_p): Walk canonical value's locs.
1172 * cselib.c (preserve_only_constants): Rename to...
1173 (preserve_constants_and_equivs): ... this. Split out...
1174 (invariant_or_equiv_p): ... this. Preserve plus expressions
1175 of other preserved expressions too.
1176 (cselib_reset_table): Adjust.
1177 * var-tracking.c (reverse_op): Use canonical value to build
1180 2012-02-23 Kai Tietz <ktietz@redhat.com>
1182 * config/i386/i386.c (ix86_delegitimize_address): Handle
1183 UNSPEC_PCREL plus displacement.
1185 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
1188 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1189 to test for unusedness in st X addressing.
1191 2012-02-24 Richard Guenther <rguenther@suse.de>
1194 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1195 (is_gimple_reg_type): Move inline ...
1196 * gimple.h (is_gimple_reg_type): ... here.
1198 2012-02-24 Richard Guenther <rguenther@suse.de>
1201 * passes.c (execute_function_todo): When verifying SSA form
1202 verify gimple form first.
1203 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1205 2012-02-24 Richard Guenther <rguenther@suse.de>
1208 * fold-const.c (fold_addr_of_array_ref_difference): New function.
1209 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1211 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1213 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1215 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1217 * tree-phinodes.c (make_phi_node): Mark static.
1218 * tree-flow.h (make_phi_node): Remove extern decl.
1219 * doc/gimple.texi (make_phi_node): Remove documentation.
1221 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1223 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1224 * tree-ssa-sccvn.c (print_scc): Ditto.
1226 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1228 * doc/passes.texi (Full redundancy elimination): Fix typo.
1230 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1232 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1234 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
1237 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1239 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
1242 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1244 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
1246 * config/avr/avr.md (code_stdname): Add ior, xor.
1247 (xior): New code iterator.
1248 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1249 (*<code_stdname><mode>qi.byte1-3): Ditto.
1251 2012-02-23 Jakub Jelinek <jakub@redhat.com>
1253 PR tree-optimization/52019
1254 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1257 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1259 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1260 HAVE_INITFINI_ARRAY to work around namespace pollution in
1261 certain versions of newlib system headers.
1262 * config.in: Regenerate.
1263 * configure: Regenerate.
1264 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1265 instead of HAVE_INITFINI_ARRAY.
1267 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
1270 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1271 is not offsettable memory reference.
1273 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1276 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1277 setting avr_need_clear_bss_p for __gnu_lto* symbols.
1279 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1281 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1282 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1284 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1286 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1287 library on Solaris 8 even without TLS support.
1288 * configure: Regenerate.
1290 2012-02-22 Richard Guenther <rguenther@suse.de>
1293 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1294 for GIMPLE_DEBUG stmts.
1296 2012-02-22 Martin Jambor <mjambor@suse.cz>
1299 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1300 according to the base object.
1302 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1304 PR rtl-optimization/50063
1305 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1306 and 2 (8-bit SP) in operand 2.
1307 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1308 setup to use movhi_sp_r instead of vanilla move to write SP.
1309 Adjust REG_CFA notes to superseed unspec.
1310 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1312 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1313 known to be off) only with TARGET_NO_INTERRUPTS. Never use
1314 irq_state 1 (IRQ known to be on) here.
1316 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
1318 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1320 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1321 assign_hard_reg): Likewise.
1323 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1325 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1327 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1330 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1331 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1333 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1335 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1336 prototype from here to...
1337 * config/avr/avr.h: ...here.
1339 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
1342 * thumb2.md (thumb2_shiftsi3_short): Split register and
1343 immediate shifts. For register shifts tie operands 0 and 1.
1344 (peephole2 for above): Check that register-controlled shifts
1345 have suitably tied operands.
1347 2012-02-21 Quentin Neill <quentin.neill@amd.com>
1350 * config/i386/bdver1.md (bdver1_call, bdver1_push,
1351 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1352 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1353 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1354 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1355 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1356 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1357 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1358 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1359 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1360 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1361 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1362 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1363 bdver1_ssevector_avx256_unaligned_load,
1364 bdver1_ssevector_sse128_unaligned_load,
1365 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1366 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1367 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1368 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1369 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1370 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1371 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1372 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1373 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1374 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1375 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1376 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1377 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1378 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1379 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1380 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1381 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1382 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1383 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1384 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1385 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1386 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1387 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1388 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1389 bdver1_ssediv_double_load, bdver1_ssediv_double,
1390 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1391 Add "bdver2" attribute.
1393 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1395 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1396 default if possible and not specified otherwise.
1398 2012-02-21 Richard Guenther <rguenther@suse.de>
1401 * gimplify.c (create_tmp_from_val): Use the main variant type
1402 for the type of the temporary we create.
1404 2012-02-21 Richard Guenther <rguenther@suse.de>
1406 PR tree-optimization/52324
1407 * gimplify.c (gimplify_expr): When re-gimplifying expressions
1408 do not gimplify a MEM_REF address operand if it is already
1411 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1413 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1414 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1416 2012-02-21 Richard Guenther <rguenther@suse.de>
1418 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1419 nested_in_vect_loop.
1421 2012-02-21 Jakub Jelinek <jakub@redhat.com>
1423 PR tree-optimization/52318
1424 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1425 vdef also to non-pure/const call stmts in the sequence.
1427 2012-02-21 Tristan Gingold <gingold@adacore.com>
1429 * config/vms/vms-ld.c (main): Fix IDENTIFICATION padding.
1431 2012-02-20 David S. Miller <davem@davemloft.net>
1433 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1434 don't use the "rd %pc" instruction on v9 for PIC register loads.
1436 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
1439 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1440 in a transaction safe function.
1442 2012-02-20 Kai Tietz <ktietz@redhat.com>
1445 * stor-layout.c (place_field): Handle desired_align for
1448 2012-02-20 Richard Guenther <rguenther@suse.de>
1450 PR tree-optimization/52298
1451 * tree-vect-stmts.c (vectorizable_store): Properly use
1452 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1454 (vectorizable_load): Likewise.
1455 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1456 Access DR_STEP after ensuring it is not NULL.
1458 2012-02-20 Jakub Jelinek <jakub@redhat.com>
1460 PR tree-optimization/52286
1461 * fold-const.c (fold_binary_loc): For (X & C1) | C2
1462 optimization use double_int_to_tree instead of build_int_cst_wide,
1463 rewrite to use double_int vars.
1465 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1468 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1470 Remove -e 0 from $gcc_cv_ld invocation.
1471 Only use __GLIBC_PREREQ if defined.
1472 Enable on Solaris since Solaris 8 patch.
1473 (gcc_SUN_LD_VERSION): New macro.
1474 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1475 gcc_SUN_LD_VERSION for version number format.
1476 * configure: Regenerate.
1477 * varasm.c (get_elf_initfini_array_priority_section): Set
1478 SECTION_NOTYPE for non-default priority.
1479 Use get_section instead of get_unnamed_section to emit
1480 .init_array/.fini_array with default priority.
1482 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1484 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1485 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
1486 (mips_start_unique_function, mips_output_mips16_rdhwr)
1487 (mips_code_end): New functions.
1488 (TARGET_ASM_CODE_END): Define.
1490 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1492 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1493 to stubs with non-sibling calls.
1495 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
1497 * doc/invoke.texi (-fira-* options): Copy-edit.
1498 (ira-* parameters): Copy-edit.
1500 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1502 * doc/invoke.texi: Minor copy-edits to bring into conformance with
1503 GCC coding conventions.
1505 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1507 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1508 when used as adjectives.
1510 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
1512 * doc/invoke.texi: Clean up "that"/"which" confusion.
1514 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
1516 * system.h: Poison SMALL_REGISTER_CLASSES
1517 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1518 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1520 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1522 PR tree-optimization/52285
1523 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1524 when deciding if a call is a tail call or tail recursion.
1526 2012-02-16 Kai Tietz <ktietz@redhat.com>
1528 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1529 interger-constant displacement for UNSPEC_PCREL.
1531 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1533 PR rtl-optimization/52208
1534 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1535 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1537 PR tree-optimization/52255
1538 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1539 loop->header has virtual PHI, but exit_e->dest doesn't, add
1540 virtual PHI to exit_e->dest and adjust all uses after the loop.
1543 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1544 children with clone_tree_hash, not after it.
1546 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
1548 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1549 extended identifiers.
1551 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1554 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1555 a same_body_alias, also test whether e->callee isn't a former
1556 or current clone of the decl this is a same body alias of.
1558 PR translation/52264
1559 * cgraphunit.c (verify_cgraph_node): Fix a typo.
1561 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
1563 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1565 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
1568 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1569 force_reg instead of copy_to_reg for better optimization. Force
1570 non-register or memory operands into a register.
1572 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
1574 * extend.texi: Reserve upper bits of memory model for future use.
1576 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
1577 Anatoly Sokolov <aesok@post.ru>
1578 Eric Weddington <eric.weddington@atmel.com>
1581 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1582 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1583 Rewrite initializers for .macro.
1584 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1585 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1586 atxmega32d4, atxmega32x1.
1587 avrxmega4: atxmega64a3, atxmega64d3.
1588 avrxmega5: atxmega64a1, atxmega64a1u.
1589 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1590 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1591 avrxmega7: atxmega128a1, atxmega128a1u.
1592 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1593 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1594 (struct base_arch_s): Rename reserved to xmega_p.
1595 Rename reserved2 to have_rampd.
1596 (AVR_XMEGA): New define.
1597 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1598 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1599 * config/avr/predicates.md (io_address_operand): Take into
1601 (low_io_address_operand): Ditto.
1602 (high_io_address_operand): Ditto.
1603 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1604 (enabled, movhi_sp_r): Use them.
1605 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1606 cpp_define_formatted to built-in define __AVR_ARCH__.
1607 (__AVR_XMEGA__): New built-in define.
1608 (__AVR_HAVE_RAMPD__): New built-in define.
1609 (__AVR_HAVE_RAMPX__): New built-in define.
1610 (__AVR_HAVE_RAMPY__): New built-in define.
1611 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1613 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1614 (avr_option_override): Initialize them.
1615 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1616 (avr_init_expanders): Initialize them. No more block several calls.
1617 (emit_push_sfr): New static function.
1618 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1620 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1621 (avr_print_operand): Print addreeses as symbols for
1622 RAMPX, RAMPY, RAMPD, CCP.
1623 (output_movhi): Handle AVR_XMEGA when writing to SP.
1624 (avr_out_movhi_mr_r_xmega): New static function.
1625 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1626 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
1627 __RAMPD__, __CCP__ as needed.
1629 * config/avr/multilib.h: Regenerate.
1630 * config/avr/t-multilib: Regenerate.
1631 * config/avr/avr-tables.opt: Regenerate.
1633 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
1635 PR tree-optimization/50561
1636 * graphite-flattening.c (lst_project_loop): Do not
1637 remove old scattering dimensions after flattening.
1638 (lst_do_flatten): Likewise.
1640 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
1642 * doc/extend.texi (AVR Built-in Functions): Remove doc for
1643 __builtin_avr_map8, __builtin_avr_map16.
1644 Document __builtin_avr_insert_bits.
1646 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1647 (insert_bits): New insn.
1648 (adjust_len.map_bits): Rename to insert_bits.
1649 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1650 * avr-protos.h (avr_out_map_bits): Remove.
1651 (avr_out_insert_bits, avr_has_nibble_0xf): New.
1652 * config/avr/constraints.md (Cxf,C0f): New.
1653 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1654 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1655 New built-in define __BUILTIN_AVR_INSERT_BITS.
1656 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1657 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1658 (avr_move_bits): Rewrite.
1659 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1661 (avr_map_op_t): New typedef.
1662 (avr_map_op): New static variable.
1663 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1664 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1665 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1666 (bdesc_3arg, avr_expand_triop_builtin): New.
1667 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1668 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1669 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1670 (avr_map_equal_p, avr_map_sig_p): Remove.
1671 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1672 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1673 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1674 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1675 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1676 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1678 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1680 * config/c6x/c6x.md (reserve_cycles): New attribute.
1681 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1682 don't reserve functional units after the branch occurs.
1684 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
1687 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1688 functions into non-tm_pure functions.
1690 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
1693 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1694 (iterative_hash_canonical_type): Likewise.
1695 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1698 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1700 * haifa-sched.c (prune_ready_list): Ensure that if there is a
1701 sched-group insn, it either remains alone or the entire list is pruned.
1703 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1705 * doc/install.texi (Prerequisites): Fix grammar.
1706 (Configuration): Likewise.
1708 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1710 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1711 MPC as part of GCC before describing configuring with --with-gmp etc.
1712 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1713 sources are present.
1715 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1718 * dwarf2out.c (clone_tree_hash): New function.
1719 (copy_decls_walk): Use it instead of clone_tree.
1721 2012-02-14 Richard Guenther <rguenther@suse.de>
1723 PR tree-optimization/52244
1724 PR tree-optimization/51528
1725 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1726 replacements for integral types.
1728 2012-02-14 Walter Lee <walt@tilera.com>
1730 * config.gcc: Handle tilegx and tilepro.
1731 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1733 Add HAVE_AS_TLS check for tilegx and tilepro.
1734 * configure: Regenerate.
1735 * doc/contrib.texi: Add Mat Hostetter and self.
1736 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1737 Document instruction intrinsics and network accessing intrinsics.
1738 (TILEPro Built-in Functions): New node. Document instruction
1739 intrinsics and network accessing intrinsics.
1740 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1741 (Specific, tilepro-*-linux*): Likewise.
1742 * doc/invoke.texi (TILE-Gx Options): New section.
1743 (TILEPro Options): New section.
1744 * doc/md.texi (TILE-Gx): New section.
1745 (TILEPro): New section.
1746 * common/config/tilegx/tilegx-common.c: New file.
1747 * common/config/tilepro/tilepro-common.c: New file.
1748 * config/tilegx/constraints.md: New file.
1749 * config/tilegx/linux.h: New file.
1750 * config/tilegx/mul-tables.c: New file.
1751 * config/tilegx/predicates.md: New file.
1752 * config/tilegx/sync.md: New file.
1753 * config/tilegx/t-tilegx: New file.
1754 * config/tilegx/tilegx-builtins.h: New file.
1755 * config/tilegx/tilegx-c.c: New file.
1756 * config/tilegx/tilegx-generic.md: New file.
1757 * config/tilegx/tilegx-modes.def: New file.
1758 * config/tilegx/tilegx-multiply.h: New file.
1759 * config/tilegx/tilegx-protos.h: New file.
1760 * config/tilegx/tilegx.c: New file.
1761 * config/tilegx/tilegx.h: New file.
1762 * config/tilegx/tilegx.md: New file.
1763 * config/tilegx/tilegx.opt: New file.
1764 * config/tilepro/constraints.md: New file.
1765 * config/tilepro/gen-mul-tables.cc: New file.
1766 * config/tilepro/linux.h: New file.
1767 * config/tilepro/mul-tables.c: New file.
1768 * config/tilepro/predicates.md: New file.
1769 * config/tilepro/t-tilepro: New file.
1770 * config/tilepro/tilepro-builtins.h: New file.
1771 * config/tilepro/tilepro-c.c: New file.
1772 * config/tilepro/tilepro-generic.md: New file.
1773 * config/tilepro/tilepro-modes.def: New file.
1774 * config/tilepro/tilepro-multiply.h: New file.
1775 * config/tilepro/tilepro-protos.h: New file.
1776 * config/tilepro/tilepro.c: New file.
1777 * config/tilepro/tilepro.h: New file.
1778 * config/tilepro/tilepro.md: New file.
1779 * config/tilepro/tilepro.opt: New file.
1781 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1783 PR tree-optimization/52210
1784 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1785 vect_model_simple_cost with two entry vect_def_type array instead
1786 of an address of dt.
1788 2012-02-14 Richard Guenther <rguenther@suse.de>
1791 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1792 Do not stream DECL_QUALIFIER.
1793 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1794 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1795 (find_decls_types_r): Do not walk DECL_QUALIFIER.
1797 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1800 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1803 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1806 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1807 * cselib.c (cselib_subst_to_values_from_insn): New function.
1808 * sched-deps.c (add_insn_mem_dependence,
1809 sched_analyze_1, sched_analyze_2): Use it.
1811 2012-02-13 Jan Hubicka <jh@suse.cz>
1814 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1816 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
1818 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1819 (GTM_SELF_SPECS): Define if not already defined.
1820 (driver_self_specs): Add GTM_SELF_SPECS.
1821 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1822 (GTM_SELF_SPECS): Define.
1823 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1824 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1826 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1828 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1831 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1834 * omp-low.c (expand_omp_for): If a static schedule without chunk size
1835 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1837 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
1840 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1842 2012-02-13 Richard Guenther <rguenther@suse.de>
1844 PR translation/52211
1845 * passes.c (enable_disable_pass): Fix typo.
1847 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1850 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1851 XOR for reduce_bit_field if type is unsigned.
1853 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
1855 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1856 disallow changes from SFmode to mode with different size in FP regs.
1858 2012-02-12 Robert Millan <rmh@gnu.org>
1859 Gerald Pfeifer <gerald@pfeifer.com>
1861 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1864 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
1866 PR rtl-optimization/52175
1867 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1868 to frame-related instructions.
1870 2012-02-10 Jason Merrill <jason@redhat.com>
1873 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1874 (demangle_new_symbols): Fill it.
1875 (scan_linker_output): Walk it.
1876 (start_tweaking): Split out from scan_linker_output.
1877 (maybe_tweak): Update sym->chosen.
1878 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1880 2012-02-11 Jakub Jelinek <jakub@redhat.com>
1883 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1885 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
1887 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1888 having the same mode as previous compare.
1890 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
1892 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1893 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1894 (nonlocal_goto_internal): Likewise.
1895 (nonlocal_goto): Emit a use and an indirect jump directly.
1897 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
1900 * doc/extend.texi : Update comments for __atomic_compare_exchange and
1901 __atomic_{is,always}_lock_free.
1903 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
1906 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1907 negative constant address for TARGET_X32.
1909 2012-02-10 Richard Henderson <rth@redhat.com>
1911 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1912 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1913 for GIMPLE_TRANSACTION. Tidy if's into a switch.
1915 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1916 Ira Rosen <irar@il.ibm.com>
1918 PR tree-optimization/50031
1919 * targhooks.c (default_builtin_vectorization_cost): Handle
1921 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1922 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1923 all types of reduction and pattern statements.
1924 (vect_estimate_min_profitable_iters): Likewise.
1925 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1926 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1927 for explicit realigns.
1928 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1929 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1931 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1932 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1933 vec_perm for VSX and handle vec_promote_demote.
1935 2012-02-10 Jakub Jelinek <jakub@redhat.com>
1938 * builtins.c (fold_builtin_atomic_always_lock_free,
1939 expand_builtin_atomic_always_lock_free,
1940 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1941 Return and/or test boolean_true_node/boolean_false_node instead of
1942 integer_one_node/integer_zero_node.
1944 2012-02-10 Jan Hubicka <jh@suse.cz>
1947 * predict.c (predict_paths_for_bb): Prevent looping.
1948 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1950 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
1952 * config/arm/arm.c (output_move_double): In one case properly
1953 count number of instructions that will be emitted.
1955 2012-02-10 Richard Guenther <rguenther@suse.de>
1957 PR translation/52193
1958 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1960 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
1963 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1965 2012-02-09 Jakub Jelinek <jakub@redhat.com>
1968 * var-tracking.c (emit_note_insn_var_location): If
1969 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1970 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1971 non-NOTE_DURING_CALL_P insn.
1973 2012-02-09 Bin Cheng <bin.cheng@arm.com>
1976 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1978 2012-02-08 Magnus Granberg <zorry@gentoo.org>
1981 * gcc.c (switch_matches) Support switches with separated form,
1984 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
1986 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1988 (RAMPZ_ADDR): Ditto.
1989 * config/avr/avr.c (avr_addr_t): New typedef.
1990 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1991 (avr_init_expanders): Initialize it.
1992 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1994 (expand_epilogue): Ditto.
1995 (avr_print_operand): Ditto.
1996 (avr_file_start): Ditto.
1997 (avr_emit_movmemhi): Ditto.
1999 2012-02-08 Richard Guenther <rguenther@suse.de>
2001 PR tree-optimization/46886
2002 * tree-flow.h (do_while_loop_p): Declare.
2003 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2004 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2006 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
2008 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2009 always succeed for integers larger than a native word.
2011 2012-02-08 Richard Guenther <rguenther@suse.de>
2013 PR rtl-optimization/52170
2014 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2015 properly handle integer vector modes.
2017 2012-02-08 Jakub Jelinek <jakub@redhat.com>
2019 PR gcov-profile/52150
2020 * coverage.c: Include target.h.
2021 (build_var): Call targetm.strip_name_encoding on the assembler name.
2022 Change one _ into . or $ if the target allows it.
2023 * Makefile.in (coverage.o): Depend on $(TARGET_H).
2025 PR rtl-optimization/52139
2026 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2027 is a BARRIER after emit_insn_after_noloc, move BB_END
2028 to the last non-BARRIER insn before it.
2030 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
2033 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2034 (mips_gimplify_va_arg_expr): Call it instead of
2035 std_gimplify_va_arg_expr.
2037 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
2039 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2040 message for -mno-pointers-to-nested-function.
2042 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
2045 * expr.c (get_inner_reference): If there is an offset, add a negative
2046 bit position to it (if any).
2048 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2050 PR rtl-optimization/52060
2051 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2052 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2053 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2054 and/or i0src_copy2 when needed.
2056 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2058 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2059 or LTOPLUGINSONAME if have_c.
2061 * config/freebsd-spec.h: Add comment about what macros can be defined
2063 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2064 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2067 2012-02-07 Richard Guenther <rguenther@suse.de>
2069 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2070 newline in -alias dumps.
2072 2012-02-07 Kai Tietz <ktietz@redhat.com>
2073 Dave Korn <dave.korn.cygwin@gmail.com>
2076 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2077 Take care that typinfo gets dllexport-attribute.
2079 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2082 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2083 if modifier < EXPAND_SUM call force_operand on the result.
2085 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
2087 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2088 adding __forwarder_dst__ prefix if a forwarder_section attribute is
2090 (epiphany_function_type): Replace types for specific interrupts with
2091 EPIPHANY_FUNCTION_INTERRUPT.
2092 (EPIPHANY_INTERRUPT_P): Update.
2093 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2094 New static function.
2095 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2096 <disinterrupt>: Affects type identity.
2097 (epiphany_handle_interrupt_attribute): Handle variable number of
2099 (epiphany_compute_function_type): Update for new
2100 epiphany_function_type definition.
2101 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2102 handlers with a longcall forwarder.
2103 (epiphany_start_function): Handle multiple interrupt arguments and/or
2104 forwarder_section attribute.
2106 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2109 2012-02-07 Alan Modra <amodra@gmail.com>
2112 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2115 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2117 PR tree-optimization/50969
2118 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2119 use vec_perm rather than vector_stmt.
2120 (vect_model_load_cost): Likewise.
2121 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2122 vec_perm to be the same as other vector statements.
2123 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2124 cost of vec_perm for TARGET_VSX.
2126 2012-02-06 Richard Guenther <rguenther@suse.de>
2128 PR tree-optimization/52115
2129 * tree-sra.c (access_has_replacements_p): New function.
2130 (sra_modify_assign): Use it to decide whether a use is uninitialized.
2132 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
2135 * trans-mem.c (expand_call_tm): Add an assertion.
2136 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2139 2012-02-06 Richard Guenther <rguenther@suse.de>
2141 PR tree-optimization/50955
2142 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2143 raise cost of expressions that replace an address with an
2144 expression based on a different pointer.
2146 2012-02-06 Jakub Jelinek <jakub@redhat.com>
2149 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2150 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2152 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
2155 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2156 -Weffc++ and specify guidelines come from second edition.
2158 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2160 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2161 (sibcall_value_multiple_internal, call_split, call_internal_direct)
2162 (call_direct_split, call_value_split, call_value_internal_direct)
2163 (call_value_direct_split, call_value_multiple_split): Use jal and
2164 jal_macro attributes.
2166 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2168 * reload1.c (reload_regs_reach_end_p): Replace with...
2169 (reload_reg_rtx_reaches_end_p): ...this function.
2170 (new_spill_reg_store): Update commentary.
2171 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2172 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2173 before setting new_spill_reg_store.
2174 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2175 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2176 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2177 for non-spill reload registers.
2179 2012-02-05 Ira Rosen <irar@il.ibm.com>
2181 PR tree-optimization/52091
2182 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2183 (vect_is_simple_use_1): Likewise.
2184 * tree-vect-loop.c (vectorizable_reduction): Update calls
2185 to vect_is_simple_use_1 and vect_is_simple_use.
2186 (vectorizable_live_operation): Likewise.
2187 * tree-vect-patterns.c (widened_name_p,
2188 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2189 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2190 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2191 vectorizable_shift,vectorizable_operation, vectorizable_store,
2192 vectorizable_load): Likewise.
2193 (vect_is_simple_cond): Add an argument, pass it to
2194 vect_is_simple_use_1.
2195 (vectorizable_condition): Update calls to vect_is_simple_cond,
2197 (vect_is_simple_use): Add an argument, the statement in which
2198 OPERAND is used. Check that if OPERAND's def stmt is a double
2199 reduction phi node, the use is a phi node too.
2200 (vect_is_simple_use_1): Add an argument, pass it to
2202 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2203 to vect_is_simple_use.
2205 2012-02-04 Jakub Jelinek <jakub@redhat.com>
2207 PR rtl-optimization/52095
2208 * modulo-sched.c (dump_insn_locator): New function.
2209 (loop_canon_p, sms_schedule): Use it.
2211 PR rtl-optimization/52113
2212 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2213 even for decomposable shift/zext insns.
2215 2012-02-03 Jakub Jelinek <jakub@redhat.com>
2216 Zdenek Dvorak <ook@ucw.cz>
2218 PR rtl-optimization/52092
2219 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2220 on get_iv_value result.
2222 2012-02-02 Andrew Pinski <apinski@cavium.com>
2226 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2228 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2231 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2233 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
2235 PR rtl-optimization/49800
2236 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2237 (sched_finish): Call regstat_free_n_sets_and_refs.
2239 2012-02-02 Jia Liu <proljc@gmail.com>
2241 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2244 2012-02-02 Jan Hubicka <jh@suse.cz>
2245 Tom de Vries <tom@codesourcery.com>
2248 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2249 * varpool.c (varpool_analyze_pending_decls): Likewise.
2251 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2252 Jayant R Sonar <jayant.sonar@kpitcummins.com>
2254 * config.gcc: Add cr16-* support.
2256 * doc/extend.texi: Document cr16 extensions.
2257 * doc/install.texi: Document cr16 install.
2258 * doc/invoke.texi: Document cr16 options.
2259 * doc/md.texi: Document cr16 constraints.
2261 * common/config/cr16/cr16-common.c: New file.
2262 * config/cr16/cr16.c: New file.
2263 * config/cr16/cr16.h: New file.
2264 * config/cr16/cr16.md: New file.
2265 * config/cr16/cr16.opt: New file.
2266 * config/cr16/cr16-protos.h: New file.
2267 * config/cr16/predicates.md: New file.
2268 * config/cr16/constraints.md: New file.
2269 * config/cr16/t-cr16: New file.
2271 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2274 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2275 that operands[2] is either immediate, or q_regs_operand.
2277 PR tree-optimization/52073
2278 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2279 a pattern stmt for pattern uses, ignore uses outside of the loop.
2281 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2283 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2284 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2285 (OUT_AS1, OUT_AS2): Remove.
2287 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2289 PR rtl-optimization/51374
2290 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2291 to cross other volatile_refs_p insns.
2293 2012-02-01 Richard Guenther <rguenther@suse.de>
2295 * doc/invoke.texi (fno-inline): Clarify documentation.
2296 (finline-small-functions): Likewise.
2297 (finline-functions): Likewise.
2298 * common.opt (finline): Adjust comment and documentation.
2299 (finline-small-functions): Clarify documentation.
2300 (finline-functions): Likewise.
2301 (finline-functions-called-once): Likewise.
2303 2012-02-01 Tristan Gingold <gingold@adacore.com>
2305 * c-typeck.c (composite_type): Keep mode for pointers.
2307 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
2309 * function.h (regno_reg_rtx): Adjust comment.
2310 * reginfo.c (init_reg_modes_target): Only use the previous mode
2311 if it fits within one register. Remove MIPS comment.
2313 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2316 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2318 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2320 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2321 to srak instruction.
2323 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2325 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2327 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2332 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2334 2012-01-31 Richard Guenther <rguenther@suse.de>
2336 PR tree-optimization/51528
2337 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2340 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2345 * ree.c (add_removable_extension): Change def_map argument
2346 to unsigned *, store in def_map 1 + offset into *insn_list vector
2347 instead of pointers into the vector.
2348 (find_removable_extensions): Adjust caller.
2350 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2352 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2353 Transform all "* quoted-c-code" to { c-code }.
2354 Remove redundant test for "optimize" in combine patterns.
2355 Move (include "avr-dimode.md") to end of file.
2357 2012-01-30 Bin Cheng <bin.cheng@arm.com>
2360 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2361 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2363 2012-01-30 Richard Guenther <rguenther@suse.de>
2365 PR tree-optimization/52028
2366 * tree-loop-distribution.c (ldist_gen): Properly update
2369 2012-01-30 Jakub Jelinek <jakub@redhat.com>
2372 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2373 set_cur_line_info_table if not emitting debug info.
2375 PR tree-optimization/52046
2376 * tree-vect-patterns.c (check_bool_pattern): Give up if
2377 a comparison could throw.
2380 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2382 2012-01-30 Richard Guenther <rguenther@suse.de>
2384 PR tree-optimization/52045
2385 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2386 SSA form if cfgcleanup did anything.
2388 2012-01-30 Richard Guenther <rguenther@suse.de>
2390 PR tree-optimization/52045
2391 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2392 before computing final todo.
2394 2012-01-30 Richard Guenther <rguenther@suse.de>
2396 PR tree-optimization/51528
2397 * tree-sra.c (sra_modify_assign): Re-factor in preparation
2400 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
2402 * df-problems.c (df_kill_notes): Check that the use refers
2403 to the note under examination.
2405 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
2408 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2409 parameter and use short-lived pseudos.
2410 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2411 (sparc_expand_vector_init): Const-ify local variables and adjust
2412 calls to above functions.
2414 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2416 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2418 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
2420 * doc/invoke.texi: Make usage of "compile time" and
2421 "run time"/"runtime" consistent throughout the file.
2423 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
2425 * config/alpha/alpha.c (alpha_option_override): Default to
2426 full IEEE compliance mode for Go language.
2428 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
2430 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2431 (LINK_SSP_SPEC): Define.
2433 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2436 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2439 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
2441 * doc/invoke.texi: Correct hyphenation of "floating point",
2442 "double precision", and related terminology throughout the file.
2444 2012-01-28 Jakub Jelinek <jakub@redhat.com>
2447 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2448 arm_general_register_operand predicate for operand 2 instead of
2451 2012-01-27 Ian Lance Taylor <iant@google.com>
2454 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2455 * builtins.c (expand_builtin_init_trampoline): Add onstack
2456 parameter. Change caller.
2457 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2458 * tree.c (build_common_builtin_nodes): Declare
2459 __builtin_init_heap_trampoline.
2461 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
2463 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2464 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2465 * config/avr/avr.c: Ditto.
2466 (avr_regnames): Remove because unused.
2467 * config/avr/avr.md (*cpse.ne): New peephole.
2468 (*cpse.eq): New peephole from former cpse peepholes.
2470 2012-01-27 Michael Eager <eager@eagercon.com>
2472 * config/microblaze.c (microblaze_emit_compare): Correct
2473 test after pcmp instruction.
2475 2012-01-27 Richard Guenther <rguenther@suse.de>
2477 PR tree-optimization/52020
2478 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2480 2012-01-27 Richard Guenther <rguenther@suse.de>
2482 * ipa-pure-const.c (check_stmt): Clobbers do not make a
2483 function non-const/pure.
2485 2012-01-27 Richard Guenther <rguenther@suse.de>
2487 PR tree-optimization/50444
2488 * tree-sra.c (build_ref_for_offset): Properly adjust the
2489 MEM_REF type for unaligned accesses.
2491 2012-01-27 Richard Guenther <rguenther@suse.de>
2493 PR tree-optimization/50444
2494 * expr.c (mem_ref_refers_to_non_mem_p): New function.
2495 (expand_assignment): Use it. Properly handle misaligned
2496 bases when expanding stores to component references.
2497 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2500 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
2503 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2504 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2505 * tree-data-ref.c (find_data_references_in_loop): Make static.
2506 (compute_all_dependences): Change return type to bool. Bail out
2507 for too many datarefs in a loop. Move the hunk resetting the data
2508 dependences vector from ...
2509 (compute_data_dependences_for_loop): ... here. Account for
2510 compute_all_dependences returning false.
2511 (compute_data_dependences_for_bb): Likewise.
2512 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2513 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2515 2012-01-27 Richard Guenther <rguenther@suse.de>
2518 * expr.c (store_field): Use the alias-set of the scratch memory
2521 2012-01-27 Tom de Vries <tom@codesourcery.com>
2523 PR tree-optimization/51990
2524 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2526 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2528 2012-01-27 Jakub Jelinek <jakub@redhat.com>
2531 * var-tracking.c (reverse_op): Don't add any reverse operation
2532 if V already has any constant locations.
2534 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2536 * doc/invoke.texi: Correct usage of "command line" (noun)
2537 vs "command-line" (adjective) throughout.
2539 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2541 * doc/invoke.texi (Language Independent Options): Move
2542 -Wcoverage-mismatch blurb from here....
2543 (Warning Options): ...to here.
2545 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
2547 * config/rs6000/rs6000.c (rs6000_option_override_internal):
2548 Set rs6000_always_hint to false for 476.
2550 2012-01-27 Matthias Klose <doko@ubuntu.com>
2552 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2554 * incpath.c (add_standard_paths): Likewise.
2556 2012-01-27 Richard Henderson <rth@redhat.com>
2558 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2559 * config/m68k/sync.md (atomic_test_and_set): Rename from
2560 sync_test_and_setqi and adjust the operands.
2561 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2562 and unconditionally enable.
2564 2012-01-27 Richard Henderson <rth@redhat.com>
2566 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2567 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2568 (ldstub): Rename from ldstubqi.
2569 (ldstub<I24MODE>): Remove.
2571 2012-01-27 Richard Henderson <rth@redhat.com>
2573 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2574 * c-cppbuiltin.c (cpp_atomic_builtins): Define
2575 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2576 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2577 * doc/tm.texi: Rebuild.
2579 2012-01-27 Richard Henderson <rth@redhat.com>
2581 * optabs.c (gen_atomic_test_and_set): Remove default.
2582 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2584 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2586 PR rtl-optimization/51978
2587 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2588 (combine_reaching_defs): Likewise.
2589 (struct re_info): Remove.
2590 (add_removable_extension): Remove x and data arguments,
2591 add insn, insn_list and def_map. Use the arguments directly
2592 instead of using struct re_info.
2593 (find_removable_extensions): Don't call add_removable_extension
2594 through note_stores, instead just call it with single_set
2596 (find_and_remove_re): Pass curr_cand->expr instead of
2597 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2599 2012-01-26 Michael Matz <matz@suse.de>
2601 PR tree-optimization/46590
2602 * cfgexpand.c: Revert last change (r183305).
2603 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2605 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2606 checking for emptiness.
2608 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2611 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2612 non-addressable non-BLKmode base correctly.
2614 2012-01-26 Michael Matz <matz@suse.de>
2616 PR tree-optimization/48794
2617 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2618 regions referenced from RESX/EH_DISPATCH.
2620 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2622 * config/s390/s390.h: Make BRANCH_COST an option.
2623 * config/s390/s390.opt: New option -mbranch-cost.
2625 2012-01-26 Richard Henderson <rth@redhat.com>
2627 Revert 2012-01-24 change:
2628 * trans-mem.c (requires_barrier): Do not instrument thread local
2629 variables and emit save/restore for them.
2631 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2634 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2637 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
2639 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2642 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
2645 Rename __pgm to __flash.
2646 Rename __pgm1 to __flash1.
2647 Rename __pgm2 to __flash2.
2648 Rename __pgm3 to __flash3.
2649 Rename __pgm4 to __flash4.
2650 Rename __pgm5 to __flash5.
2651 Rename __pgmx to __memx.
2652 * doc/extend.texi (AVR Named Address Spaces)
2653 Rename address space names as indicated above.
2654 * config/avr/avr.c (avr_addrspace): Ditto.
2656 * config/avr/avr-protos.h
2657 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2658 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2659 * config/avr/predicates.md: Ditto.
2660 * config/avr/avr.c Ditto, and
2661 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2662 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2664 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2665 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2666 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2667 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2668 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2669 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2670 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2671 * config/avr/avr.c: Ditto.
2672 * config/avr/avr.md: Ditto.
2674 2012-01-25 Jason Merrill <jason@redhat.com>
2677 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2679 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2681 PR tree-optimization/51987
2682 * tree-data-ref.c (get_references_in_stmt): Handle references in
2683 non-volatile GIMPLE_ASM.
2685 2012-01-25 Richard Guenther <rguenther@suse.de>
2687 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2688 bases are dereferenced.
2690 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2692 PR rtl-optimization/48374
2693 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2695 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2697 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2698 compute_data_dependences_for_loop returns false.
2699 * tree-parloops.c (loop_parallel_p): Likewise.
2701 2012-01-25 Richard Guenther <rguenther@suse.de>
2703 * tree.h (get_pointer_alignment_1): Declare.
2704 * builtins.c (get_pointer_alignment_1): New function.
2705 (get_pointer_alignment): Use it.
2707 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2709 PR rtl-optimization/48308
2710 * combine.c (enum undo_kind): Add UNDO_LINKS.
2711 (struct undo): Add member l to other_contents and where.
2712 (do_SUBST_LINK): New.
2714 (try_combine): Handle LOG_LINKS for the dummy i1 case.
2715 (undo_all): Handle UNDO_LINKS.
2717 2012-01-25 Richard Henderson <rth@redhat.com>
2719 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2722 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2724 * optabs.c (gen_atomic_test_and_set): Use each argument.
2726 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2728 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2729 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2730 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2731 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2732 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2733 TARGET_PAIRED_SINGLE_FLOAT.
2735 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2737 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2738 (in_struct, return_val): Remove MEM documentation.
2739 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2740 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2741 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2743 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2744 * cfgexpand.c (add_alias_set_conflicts): Likewise.
2745 * expr.c (store_field): Likewise.
2746 * function.c (assign_stack_temp_for_type): Likewise.
2747 * ifcvt.c (noce_try_cmove_arith): Likewise.
2748 * reload1.c (reload): Likewise.
2749 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2750 (alpha_set_memflags): Likewise.
2751 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2753 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2755 * rtl.h (true_dependence, canon_true_dependence): Remove varies
2757 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2758 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2759 (true_dependence_1, true_dependence, canon_true_dependence): Remove
2761 * cselib.c (cselib_rtx_varies_p): Delete.
2762 (cselib_invalidate_mem): Update call to canon_true_dependence.
2763 * dse.c (record_store, check_mem_read_rtx): Likewise.
2764 (scan_reads_nospill): Likewise.
2765 * cse.c (check_dependence): Likewise.
2766 (cse_rtx_varies_p): Delete.
2767 * expr.c (safe_from_p): Update call to true_dependence.
2768 * ira.c (validate_equiv_mem_from_store): Likewise.
2769 (memref_referenced_p): Likewise.
2770 * postreload-gcse.c (find_mem_conflicts): Likewise.
2771 * sched-deps.c (sched_analyze_2): Likewise.
2772 * store-motion.c (load_kills_store): Likewise.
2773 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2774 * gcse.c (mems_conflict_for_gcse_p): Likewise.
2775 (compute_transp): Update call to canon_true_dependence.
2777 2012-01-25 Richard Henderson <rth@redhat.com>
2779 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2780 (maybe_emit_atomic_test_and_set): New.
2781 (expand_sync_lock_test_and_set): Use it.
2782 (expand_atomic_test_and_set): Likewise.
2783 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2784 the implementation; clarify implementation defined details.
2785 * doc/md.texi (atomic_test_and_set): Document.
2787 2012-01-25 Richard Henderson <rth@redhat.com>
2789 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2791 2012-01-25 Richard Henderson <rth@redhat.com>
2794 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2795 to effect no-op split.
2797 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2800 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2801 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2802 (BT_FN_VOID_PTR_INT_SIZE): New.
2803 (BT_FN_UINT_UINT_VAR): Remove.
2804 (BT_FN_UINT32_UINT32_VAR): New.
2805 (BT_FN_DOUBLE_VPTR): Remove.
2806 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2808 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2809 (_ITM_changeTransactionMode): Same.
2810 (_ITM_memmoveRtWt): Change return type to void.
2811 (_ITM_memcpyRtWt): Same.
2812 (_ITM_memsetW): Same.
2813 (_ITM_RaRD): Change types to double.
2818 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2820 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2821 Patrick Marlier <patrick.marlier@gmail.com>
2823 * trans-mem.c (requires_barrier): Do not instrument thread local
2824 variables and emit save/restore for them.
2826 2012-01-24 Jason Merrill <jason@redhat.com>
2829 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2830 output static aliases.
2832 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2835 * common.opt (-pie, -shared, pie, shared): Change from Common to
2837 * gcc.c (display_help): Display help for -pie and -shared.
2839 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
2842 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2843 Remove note on size/offset limitation.
2844 (AVR Variable Attributes): Add example how to read data located
2845 with progmem. Refer to named address spaces.
2846 * doc/invoke.texi (AVR Options): Fix typo.
2848 2012-01-24 Richard Guenther <rguenther@suse.de>
2850 Forward-port to trunk
2851 2010-09-21 Jakub Jelinek <jakub@redhat.com>
2854 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2855 op0 isn't sufficiently aligned and there is movmisalignM
2856 insn for mode, use it to load op0 into a temporary register.
2858 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2861 * target.def (const_not_ok_for_debug_p): New hook.
2862 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2864 * doc/tm.texi: Regenerated.
2865 * dwarf2out.c (const_ok_for_output_1): If
2866 targetm.const_not_ok_for_debug_p returns true, fail.
2867 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2869 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2871 2012-01-23 Kai Tietz <ktietz@redhat.com>
2874 * config/i386/predicates.md (symbolic_operand): Allow
2875 UNSPEC_PCREL as PIC expression for lea.
2876 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2877 * config/i386/i386.c (ix86_delegitimize_address): Handle
2878 UNSPEC_PCREL for none-MEM, too.
2880 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2882 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2883 (ipa_tm_create_version_alias): Same.
2885 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
2888 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2889 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2891 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2892 Patrick Marlier <patrick.marlier@gmail.com>
2893 Iain Sandoe <developer@sandoe-acoustics.co.uk>
2896 * lto-wrapper.c (run_gcc): Pass the LTO section name to
2897 simple_object_start_read.
2899 2012-01-23 Richard Guenther <rguenther@suse.de>
2902 PR tree-optimization/51895
2903 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2904 parameter decomposition into BLKmode components.
2906 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
2908 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2909 fake variables for restrict-qualified pointers whose pointed-to type
2910 contains a placeholder.
2912 2012-01-23 Richard Guenther <rguenther@suse.de>
2914 PR tree-optimization/51949
2915 * ipa-split.c (execute_split_functions): Do not split malloc functions.
2917 2012-01-23 Jakub Jelinek <jakub@redhat.com>
2919 PR rtl-optimization/51933
2920 * ree.c (transform_ifelse): Return true right away if dstreg is
2921 already wider or equal to cand->mode.
2922 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2923 (make_defs_and_copies_lists): Remove defs_list and copies_list
2924 arguments, add state argument, just truncate state->work_list
2925 instead of always allocating and freeing the vector. Assert that
2926 get_defs succeeds instead of returning 2. Changed return type to bool.
2927 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
2928 have ext_src_mode, see if it has been modified already with the
2929 right kind of extension and has been extended before from the
2930 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
2931 just return true. Remember the original mode in state->modified array.
2932 (combine_reaching_defs): Add state argument. Don't allocate and
2933 free here def_list, copied_list and vec vectors, instead just
2934 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
2935 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2936 Add state variable, clear vectors in it, initialize state.modified
2937 if needed. Free all the vectors at the end and state.modified too.
2938 Don't skip a candidate if the extension expression has been modified.
2940 2012-01-22 Douglas B Rupp <rupp@gnat.com>
2943 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2944 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2945 (extra_options) interix.opt -> i386/interix.opt"
2946 (extra_objs):Add winnt-stubs.o
2947 * configure.ac: Add interix to target_os .comm on PE check.
2948 * configure: Regenerate.
2949 * config/interix3.h: Delete and move bits to..
2950 * config/interix.h: Delete and move bits to..
2951 * config/i386/i386-interix3.h: Delete and move bits to..
2952 * config/i386/i386-interix.h: ..here.
2953 (TARGET_CPU_DEFAULT): Remove redefinition.
2954 (TARGET_ASM_CONSTRUCTOR): Undefine.
2955 (SUBTARGET_SWITCHES): Define for ms-bitfields.
2956 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2957 (PTRDIFF_TYPE): Define.
2958 (LONG_DOUBLE_TYPE_SIZE): Define.
2959 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2960 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2961 (TARGET_SECTION_TYPE_FLAGS): Define.
2962 (ASM_DECLARE_FUNCTION_NAME): Define.
2963 (ASM_OUTPUT_EXTERNAL): Define.
2964 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2965 (ASM_OUTPUT_ALIGNED_BSS): Define.
2966 (PCC_BITFIELD_TYPE_MATTERS): Define.
2967 (USE_CONST_SECTION): Define.
2968 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2969 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2970 (SUPPORTS_ONE_ONLY): Remove.
2971 (I386_PE_STRIP_ENCODING): Define.
2972 * config/interix.opt: Delete and move bits to..
2973 * config/i386/interix.opt: ..here. New.
2974 (mpe-aligned-commons): Add.
2975 * config/i386/t-interix: Add copyright header.
2976 (winnt-stubs.o): Add rule.
2978 2012-01-22 Jason Merrill <jason@redhat.com>
2981 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2982 for extra name aliases.
2984 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
2986 PR rtl-optimization/51924
2987 * ree.c (combine_set_extension): Improve debugging message.
2988 (combine_reaching_defs): Likewise.
2989 (get_defs): Rename confusingly named variable.
2990 (find_and_remove_re): Skip a candidate if the extension expression has
2993 2012-01-21 Robert Millan <rmh@gnu.org>
2994 Gerald Pfeifer <gerald@pfeifer.com>
2996 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2997 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2999 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3001 PR tree-optimization/51914
3002 * tree-vect-stmts.c (vectorizable_conversion): For
3003 cvt_type && modifier == WIDEN, put temporary with cvt_type
3004 at the beginning of vec_dsts and set vec_dest to temporary
3007 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
3009 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
3011 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
3013 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
3014 * config/rs6000/rs6000.c: Likewise.
3016 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3019 * config/arm/arm.c (arm_count_output_move_double_insns): Call
3020 output_move_double on a copy of operands array.
3022 2012-01-20 Cary Coutant <ccoutant@google.com>
3023 Dodji Seketeli <dodji@redhat.com>
3026 * dwarf2out.c (copy_declaration_context): Return ref to parent
3027 of declaration DIE, if necessary.
3028 (remove_child_or_replace_with_skeleton): Add new parameter; update
3029 caller. Place skeleton DIE under parent DIE of original declaration.
3030 Move call to copy_declaration_context to here ...
3031 (break_out_comdat_types): ... from here.
3033 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3035 PR rtl-optimization/51856
3036 * reload.c (find_reloads_subreg_address): Set the address_reloaded
3039 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3042 * config/arm/arm.c (arm_print_operand): Correct output of alignment
3043 hints for neon loads and stores.
3045 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
3049 * doc/extend.texi (Named Address Spaces): Split into subsections.
3050 (AVR Named Address Spaces): New subsection.
3051 (M32C Named Address Spaces): New subsection.
3052 (RL78 Named Address Spaces): New subsection.
3053 (SPU Named Address Spaces): New subsection.
3054 (Variable Attributes): New anchor "AVR Variable Attributes".
3055 (AVR Variable Attributes): Rewrite and avoid wording
3056 "address space" in this context.
3057 * doc/invoke.texi (AVR Options): Rewrite and add documentation
3058 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
3059 (AVR Built-in Macros): New subsubsection therein.
3060 * doc/md.texi (AVR constraints): Remove "C04", "R".
3062 2012-01-20 Richard Guenther <rguenther@suse.de>
3064 PR tree-optimization/51903
3065 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
3066 when removing stmts.
3068 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3071 * config/arm/arm.c (arm_load_pic_register): Use
3072 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
3073 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
3074 (arm_pic_static_addr): Likewise.
3075 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
3076 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
3077 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
3078 (pic_load_addr_unified): New.
3080 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
3083 * function.c (instantiate_virtual_regs_in_insn): Use
3084 delete_insn_and_edges when removing a wrong asm insn.
3086 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
3088 PR rtl-optimization/40761
3089 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
3090 Add new member loop_num.
3091 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
3092 (ira_build): Remove the parameter.
3094 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
3095 (ira.c): Do not build CFG loops for one region allocation. Remove
3096 argument from ira_build call.
3098 * ira-build.c (init_loop_tree_node): New function.
3099 (create_loop_tree_nodes): Use it. Separate the case when CFG
3100 loops are not built.
3101 (more_one_region_p): Check current_loops.
3102 (finish_loop_tree_nodes): Separate the case when CFG loops are not
3104 (add_loop_to_tree): Process loop equal to NULL too.
3105 (form_loop_tree): Separate the case when CFG loops are not built.
3106 Use explicitly number for the root.
3107 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
3109 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
3110 instead of loop->num.
3111 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
3112 (mark_all_loops_for_removal): Ditto.
3113 (remove_unnecessary_regions): Separate the case when CFG loops
3115 (ira_build): Remove the parameter. Use explicit number of regions
3116 when CFG loops are not built.
3118 * ira-color.c (print_loop_title): Separate the case for the root node.
3119 Use loop_num instead of loop->num.
3120 (move_spill_restore): Use loop_num instead of loop->num.
3122 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
3123 (change_loop): Ditto.
3124 (change_loop): Use loop_num instead of loop->num.
3126 * ira-lives.c (process_bb_node_lives): Ditto.
3128 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
3130 * ira-conflicts.c (print_allocno_conflicts): Ditto.
3132 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3135 * tree-mudflap.c (mf_artificial): New function.
3136 (execute_mudflap_function_ops, execute_mudflap_function_decls,
3137 mx_register_decls, mudflap_enqueue_decl): Use it.
3140 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
3141 numbers in the insn pattern.
3143 2012-01-19 Michael Matz <matz@suse.de>
3145 PR tree-optimization/46590
3146 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
3147 use it in remembering which conflicts we already created.
3148 (add_scope_conflicts): Adjust call to above, (de)allocate helper
3151 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
3154 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
3155 (merge_and_complain): Same.
3157 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3160 * config/initfini-array.h: Guard content of the header
3161 with #ifdef HAVE_INITFINI_ARRAY.
3162 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
3163 Add initfini-array.h to tm_file here.
3164 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
3165 * config.gcc: Don't add initfini-array.h to tm_file here.
3166 * configure: Regenerated.
3168 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
3170 PR rtl-optimization/51505
3171 * df-problems.c (df_kill_notes): New parameter live. Update comment.
3172 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3173 (df_note_bb_compute): Update the call to df_kill_notes.
3175 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
3177 * trans-mem.c (requires_barrier): Remove call to is_global_var.
3179 2012-01-18 Richard Guenther <rguenther@suse.de>
3181 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3182 of conversions to void *.
3184 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3185 Richard Sandiford <rdsandiford@googlemail.com>
3189 * optabs.h (simplify_expand_binop): Declare.
3190 * optabs.c (simplify_expand_binop): Make global.
3191 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3192 endian targets if the source cannot be exactly covered by word
3195 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3198 * hard-reg-set.h (struct hard_reg_set_container): New type.
3199 * target.h (struct hard_reg_set_container): Forward declare.
3200 * target.def (set_up_by_prologue): New target hook.
3201 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3202 * doc/tm.texi: Regenerated.
3203 * function.c (thread_prologue_and_epilogue_insns): Change
3204 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3205 Call targetm.set_up_by_prologue on it.
3206 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3207 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3209 2012-01-17 Nick Clifton <nickc@redhat.com>
3211 * config/rx/rx.c (rx_can_use_simple_return): New function.
3212 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3213 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3215 2012-01-17 Richard Guenther <rguenther@suse.de>
3218 * expr.c (expand_assignment): Take address-space information
3219 from the address operand of MEM_REF and TARGET_MEM_REF.
3220 (expand_expr_real_1): Likewise.
3222 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3224 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3225 reload dump is requested.
3227 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
3230 * trans-mem.c (requires_barrier): Call may_be_aliased.
3232 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3234 PR tree-optimization/51877
3235 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3236 call arguments and fndecls compare equal, instead return false if they
3237 don't. Return true only if lhs1 and lhs2 are either both NULL, or
3238 both SSA_NAMEs that are valueized the same, or they satisfy
3241 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3243 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3245 * configure: Regenerate.
3247 2012-01-16 Jan Hubicka <jh@suse.cz>
3251 * convert.c (convert_to_integer): Use fold_convert for
3252 converting an INTEGER_CST to integer type.
3254 2012-01-16 Jason Merrill <jason@redhat.com>
3257 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3259 2012-01-16 Jakub Jelinek <jakub@redhat.com>
3262 * config/s390/s390.c (s390_chunkify_start): Don't skip
3263 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
3264 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3265 If insn is followed by NOTE_INSN_VAR_LOCATION or
3266 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3267 Don't use location of note insns.
3269 PR tree-optimization/51865
3270 * tree-inline.c (tree_function_versioning): Call remap_decl
3271 on DECL_RESULT whenever it has VOID_TYPE_P type.
3273 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3275 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3276 for calls to locally-binding MIPS16 functions if only the return
3277 type uses float regs.
3279 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
3280 Richard Sandiford <rdsandiford@googlemail.com>
3282 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3283 (SYMBOL_32_HIGH): Likewise.
3284 (mips_output_tls_reloc_directive): Declare.
3285 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3286 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3287 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3288 (mips_lo_relocs, mips_hi_relocs): Make extern.
3289 (mips16_stub_function): Move up file.
3290 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3291 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
3292 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
3293 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3294 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
3295 (mips_get_tp): Add MIPS16 support.
3296 (mips_legitimize_tls_address): Remove MIPS16 sorry().
3297 Generalize DTPREL and TPREL handling.
3298 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3299 Add MIPS16 TLS support.
3300 (mips_output_tls_reloc_directive): New function.
3301 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3302 * config/mips/predicates.md (symbolic_operand_with_high)
3303 (tls_reloc_operand): New predicates.
3304 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3305 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3306 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3307 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
3308 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3309 (*tls_get_tp_mips16_call_<mode>): Likewise.
3311 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
3313 PR rtl-optimization/51821
3314 * recog.c (peep2_find_free_register): Determine clobbered registers
3317 2012-01-14 Denis Chertykov <chertykov@gmail.com>
3320 * config/avr/avr-protos.h: Revert change of 2012-01-09.
3321 * config/avr/avr.c: Likewise.
3322 * config/avr/avr.h: Likewise.
3324 2012-01-13 Ian Lance Taylor <iant@google.com>
3327 * tree.h (TYPE_QUALS): Add cast to int.
3328 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3330 2012-01-13 Ian Lance Taylor <iant@google.com>
3332 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3333 comparing param_index to VEC_length result.
3335 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
3337 * c-decl.c: Do not include tree-mudflap.h
3338 * tree-optimize.c: Likewise.
3339 * Makefile.in: Update dependencies.
3341 2012-01-13 Richard Guenther <rguenther@suse.de>
3344 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3345 variable-sized result always use RSO.
3347 2012-01-12 DJ Delorie <dj@redhat.com>
3349 * cfgexpand.c (convert_debug_memory_address): Allow any valid
3350 pointer type, not just the default pointer type.
3352 2012-01-09 Richard Henderson <rth@redhat.com>
3353 Denis Chertykov <chertykov@gmail.com>
3356 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3357 * config/avr/avr.c (avr_can_eliminate): Simplify.
3358 (avr_initial_elimination_offset): Likewise.
3359 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3360 (expand_epilogue): Likewise.
3361 (avr_legitimize_address): Gut.
3362 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3363 (avr_hard_regno_nregs): New.
3364 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3365 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3366 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3367 add soft frame pointer.
3368 (CALL_USED_REGISTERS): Likewise.
3369 (REG_CLASS_CONTENTS): Likewise.
3370 (REGISTER_NAMES): Likewise.
3371 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3372 (HARD_FRAME_POINTER_REGNUM): New.
3373 (FRAME_POINTER_REGNUM): Use soft frame pointer.
3374 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3375 remove the HARD_FRAME_POINTER self-elimination.
3377 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
3380 * config/avr/avr.c (avr_encode_section_info): Test for absence of
3381 DECL_EXTERNAL when checking for initializers of progmem variables.
3383 2012-01-12 Ira Rosen <irar@il.ibm.com>
3385 PR tree-optimization/51799
3386 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3387 that the last operation is a type demotion.
3389 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
3391 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3392 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3394 2012-01-11 Jakub Jelinek <jakub@redhat.com>
3397 * combine.c (distribute_notes): If i3 is a noreturn call,
3398 allow old_size to be equal to args_size and make sure the
3399 noreturn call gets REG_ARGS_SIZE note.
3400 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3401 on noreturn calls even when the delta is 0.
3403 2012-01-11 Nathan Sidwell <nathan@acm.org>
3405 * gcov.c (STRING_SIZE): Remove.
3406 (generate_results): Erase annotations for source files with no
3407 coverage information.
3409 (output_lines): Use it.
3411 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3413 * gimple.h (gimplify_body): Remove first argument.
3414 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
3415 pointer set here, instead just pass DATA to walk_tree.
3416 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
3417 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3418 (unvisit_body): Likewise, but with unmark_visited.
3419 (gimplify_body): Remove BODY_P argument and adjust.
3420 (gimplify_function_tree): Adjust call to gimplify_body.
3421 * omp-low.c (finalize_task_copyfn): Likewise.
3423 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3425 * tree.h (build_function_decl_skip_args): Add boolean parameter.
3426 (build_function_type_skip_args): Delete.
3427 * tree.c (build_function_type_skip_args): Make static and add
3428 SKIP_RETURN parameter. Fix thinko in the handling of variants.
3429 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3430 pass it to build_function_type_skip_args.
3431 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3432 (tree_function_versioning): Likewise.
3433 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3434 build_function_decl_skip_args.
3435 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3436 and pass it to build_function_decl_skip_args/tree_function_versioning.
3437 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3438 * ipa-inline-transform.c (save_inline_function_body): Likewise.
3439 * trans-mem.c (ipa_tm_create_version): Likewise.
3440 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3441 * tree-inline.c (declare_return_variable): Remove always-true test.
3442 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
3443 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3444 * ipa-split.c (split_function): Skip the return value for the split
3445 part if it doesn't return.
3447 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3449 PR tree-optimization/49642
3450 * ipa-split.c (forbidden_dominators): New variable.
3451 (check_forbidden_calls): New function.
3452 (dominated_by_forbidden): Likewise.
3453 (consider_split): Check for forbidden dominators.
3454 (execute_split_functions): Initialize and free forbidden
3455 dominators info; call check_forbidden_calls.
3457 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3459 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3461 2012-01-11 Nick Clifton <nickc@redhat.com>
3463 * config/rx/rx.md (return): Define pattern.
3465 2012-01-11 Richard Guenther <rguenther@suse.de>
3467 * doc/extend.texi (malloc attribute): Adjust according to
3470 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
3471 Patrick Marlier <patrick.marlier@gmail.com>
3474 * trans-mem.c (get_cg_data): Traverse aliases if requested.
3475 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3476 (ipa_tm_note_irrevocable): Same.
3477 (ipa_tm_scan_irr_block): Same.
3478 (ipa_tm_decrement_clone_counts): Same.
3479 (ipa_tm_scan_irr_function): Same.
3480 (ipa_tm_create_version_alias): Same.
3481 (ipa_tm_create_version): Same.
3482 (ipa_tm_transform_calls_redirect): Same.
3483 (ipa_tm_transform_calls): Same.
3484 (ipa_tm_transform_transaction): Same.
3485 (ipa_tm_execute): Same.
3487 2012-01-10 Richard Guenther <rguenther@suse.de>
3490 * opts.c (common_handle_option): Handle -Werror.
3492 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
3494 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3497 2012-01-10 Jason Merrill <jason@redhat.com>
3499 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3502 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3504 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3505 supports R_386_TLS_GD_PLT reloc.
3506 (gcc_cv_as_ix86_tlsldmplt): Check if linker
3507 supports R_386_TLS_LDM_PLT reloc.
3508 * configure: Regenerate.
3509 * config.in: Regenerate.
3511 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
3514 Extend __pgmx semantics to linearize memory.
3515 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3516 determine if code comes inline or from libgcc.
3517 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3518 (movmem_qi, movmem_qi): Set constraint #2 to "n".
3519 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3520 (movmemx_qi, movmemx_hi): New insns.
3521 (xload_<mode>_libgcc): Rewrite to new insn condition.
3522 (xload_<mode>): Remove insns.
3523 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3524 cases that don't satisfy avr_xload_libgcc_p().
3525 (avr_addr_space_convert): Allow converting in any direction.
3526 (avr_addr_space_subset_p): Return always true.
3527 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3528 (avr_emit_movmemhi): Ditto.
3529 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3530 (avr_out_movmem): Ditto.
3531 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3532 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3533 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3534 (avr_encode_section_info): Encode 'progmem' in symbol flags.
3535 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3537 2012-01-10 Richard Guenther <rguenther@suse.de>
3539 PR tree-optimization/50913
3540 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3541 Require data-refs to be representable by Graphite with respect
3544 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
3546 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3547 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3549 2012-01-10 Tom de Vries <tom@codesourcery.com>
3551 PR rtl-optimization/51271
3552 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3553 handling annulled branch.
3555 2012-01-10 Richard Henderson <rth@redhat.com>
3557 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3558 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3559 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3560 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3561 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3562 arm_expand_vec_perm_const): New.
3563 * config/arm/arm-protos.h: Update.
3564 * config/arm/neon.md (UNSPEC_VCONCAT): New.
3565 (*neon_vswp<VDQX>): New.
3566 (neon_vcombine<VDX>): Use neon_split_vcombine.
3567 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3568 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3569 (vec_perm<VE>): New.
3571 2012-01-10 Richard Henderson <rth@redhat.com>
3573 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3574 use it if reload_completed.
3575 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3576 arm_output_asm_insn, arm_process_output_memory_barrier,
3577 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3578 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3579 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3580 arm_process_output_sync_insn, arm_output_sync_insn,
3581 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3582 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3583 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3584 (emit_unlikely_jump): New.
3585 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3586 (arm_split_atomic_op): New.
3587 * config/arm/arm-protos.h: Update.
3588 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3589 (struct arm_sync_generator): Remove.
3590 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3591 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3592 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3593 (VUNSPEC_LL, VUNSPEC_SC): New.
3594 (sync_result, sync_memory, sync_required_value, sync_new_value,
3595 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3596 (attr length): Don't use arm_sync_loop_insns.
3597 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3598 (movsfcc, movdfcc): Likewise.
3599 * config/arm/constraints.md (Ua): New.
3600 * config/arm/prediates.md (mem_noofs_operand): New.
3601 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3602 (sync_clobber, sync_t2_reqd): Remove.
3603 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3604 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3605 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3606 (arm_sync_compare_and_swap<SIDI>): Remove.
3607 (arm_sync_compare_and_swap<NARROW>): Remove.
3608 (arm_sync_lock_test_and_set<SIDI>): Remove.
3609 (arm_sync_lock_test_and_set<NARROW>): Remove.
3610 (arm_sync_new_<syncop><SIDI>): Remove.
3611 (arm_sync_new_<syncop><NARROW>): Remove.
3612 (arm_sync_new_nand<SIDI>): Remove.
3613 (arm_sync_new_nand<NARROW>): Remove.
3614 (arm_sync_old_<syncop><SIDI>): Remove.
3615 (arm_sync_old_<syncop><NARROW>): Remove.
3616 (arm_sync_old_nand<SIDI>): Remove.
3617 (arm_sync_old_nand<NARROW>): Remove.
3618 (*memory_barrier): Merge arm_output_memory_barrier.
3619 (atomic_compare_and_swap<QHSD>): New.
3620 (atomic_compare_and_swap<NARROW>_1): New.
3621 (atomic_compare_and_swap<SIDI>_1): New.
3622 (atomic_exchange<QHSD>): New.
3623 (cas_cmp_operand, cas_cmp_str): New.
3624 (atomic_op_operand, atomic_op_str): New.
3625 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3626 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3627 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3628 (arm_load_exclusive<NARROW>): New.
3629 (arm_load_exclusivesi, arm_load_exclusivedi): New.
3630 (arm_store_exclusive<QHSD>): New.
3632 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
3634 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3635 reload patterns if -mvsx-scalar-memory.
3637 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3638 generated, even -mno-vsx-scalar-double was used.
3639 (vsx_xscvdpsp_scalar): Likewise.
3640 (vsx_xscvspdp_scalar2): Likewise.
3642 2012-01-09 Tom de Vries <tom@codesourcery.com>
3643 Andrew Pinski <apinski@cavium.com>
3646 * reorg.c (fill_slots_from_thread): Don't speculate
3647 frame-related insns.
3649 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
3651 * sched-int.h (bb_note): Move to...
3652 * basic-block.h: ...here.
3653 * haifa-sched.c (bb_note): Move to...
3654 * cfgrtl.c: ...here.
3655 * function.c (next_block_for_reg): New function.
3656 (move_insn_for_shrink_wrap): Likewise.
3657 (prepare_shrink_wrap): Rewrite to use the above.
3659 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
3661 * gimple.c (is_gimple_non_addressable): Remove.
3662 * gimple.h: Remove is_gimple_non_addressable.
3663 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3664 is_gimple_non_addressable.
3665 * trans-mem.c (expand_assign_tm): Same.
3667 2012-01-09 Richard Guenther <rguenther@suse.de>
3669 PR tree-optimization/51775
3670 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3671 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3673 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3675 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3677 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3679 2012-01-09 Richard Guenther <rguenther@suse.de>
3681 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3683 2012-01-08 Jan Hubicka <jh@suse.cz>
3685 PR tree-optimize/51680
3686 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3687 on when known_vals needs to be computed; cleanup.
3689 2012-01-08 Jan Hubicka <jh@suse.cz>
3691 PR tree-optimize/51694
3692 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3694 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
3696 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3697 for -std=c++98 and -std=c++11 too.
3699 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
3701 * cfgloop.c (cancel_loop): Add free() of bbs array.
3703 2012-01-07 Jan Hubicka <jh@suse.cz>
3705 PR tree-optimization/51600
3706 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3707 that benefits small functions.
3709 2012-01-07 Jan Hubicka <jh@suse.cz>
3711 * ipa-inline.c (want_inline_small_function_p): Fix formating.
3713 2012-01-07 Jan Hubicka <jh@suse.cz>
3715 PR tree-optimization/51680
3716 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3717 whose inlining reduce unit size.
3719 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
3722 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3723 Add canonical node to containing_mem chain after the non-canonical
3724 one, even if there weren't any locs to propagate.
3725 (remove_useless_values): Keep only canonical values.
3726 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3727 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
3728 canonicalize mem_chain elements that are not discarded.
3730 2012-01-06 Jakub Jelinek <jakub@redhat.com>
3733 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3734 before emitting functions.
3736 PR gcov-profile/50127
3737 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3738 clear_aux_for_blocks.
3740 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
3743 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3745 2012-01-06 Arnaud Charlet <charlet@adacore.com>
3747 * c-decl.c (ext_block): Moved up.
3748 (collect_all_refs, for_each_global_decl): Take ext_block into account.
3750 2012-01-06 Han Shen <shenhan@google.com>
3752 Translate built-in include paths for sysroot.
3753 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3754 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3756 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3757 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3759 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3760 control whether sysroot should be prepended to gxx include dir.
3762 * configure: Regenerate.
3764 2012-01-06 Torvald Riegel <triegel@redhat.com>
3766 PR rtl-optimization/51771
3767 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3768 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3770 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3772 PR tree-optimization/51315
3773 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3774 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3776 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
3779 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3780 for shrp pattern. Correctly handle and fixup shift variable.
3781 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3783 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3786 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
3787 note when !ACCUMULATE_OUTGOING_ARGS.
3789 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3791 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3793 (extract_range_from_unary_expr_1): Avoid useless computations.
3795 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3797 PR rtl-optimization/51767
3798 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
3799 of jump_block and add an extra edge for degenerated asm gotos.
3802 * stmt.c (check_unique_operand_names): Don't ICE during error
3803 reporting if i is from labels chain.
3806 * profile.c (branch_prob): Split bbs that have exit edge
3807 and need a fake entry edge too.
3809 2012-01-05 Jan Hubicka <jh@suse.cz>
3812 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
3815 2012-01-05 Richard Guenther <rguenther@suse.de>
3818 * tree-streamer-out.c (write_ts_optimization): New function.
3819 (streamer_write_tree_body): Call it.
3820 * tree-streamer-in.c (lto_input_ts_optimization): New function.
3821 (streamer_read_tree_body): Call it.
3822 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
3824 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3827 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
3828 * gimplify.c (gimplify_cleanup_point_expr): Save and set
3829 in_cleanup_point_expr before gimplify_stmt call and restore it
3831 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
3832 in_cleanup_point_expr is false.
3834 2012-01-05 Richard Guenther <rguenther@suse.de>
3837 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
3839 * toplev.c (process_options): Reject combining mudflap and LTO.
3840 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
3842 2012-01-05 Richard Guenther <rguenther@suse.de>
3844 PR tree-optimization/51760
3845 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
3847 (bit_value_unop): Handle UNDEFINED operands.
3848 (bit_value_binop): Likewise.
3850 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
3852 * config/avr/avr.c (avr_replace_prefix): Remove.
3853 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
3854 (avr_asm_function_rodata_section): Ditto.
3855 (avr_asm_select_section): Ditto.
3857 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
3859 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
3862 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3865 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
3866 calls that have any non-fake successor edges.
3869 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
3871 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
3873 PR tree-optimization/51624
3874 * tree-sra.c (build_ref_for_model): When replicating a chain of
3875 COMPONENT_REFs, stop as soon as the offset would become negative.
3877 2012-01-04 Jakub Jelinek <jakub@redhat.com>
3880 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
3881 in .debug_loc on the floor.
3883 2012-01-04 Andrew Pinski <apinski@cavium.com>
3885 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
3887 2012-01-04 Andrew Pinski <apinski@cavium.com>
3888 Adam Nemet <anemet@caviumnetworks.com>
3890 * config/mips/mips.md (size): Add SI and DI.
3891 (SIZE): New mode attribute.
3892 (U): New code attribute.
3893 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
3894 (mips_lbux_<mode>): Delete.
3895 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
3896 (mips_lhx): Use gen_mips_lhx_extsi.
3897 (mips_lhx_<mode>): Delete.
3899 (mips_l<size>x): New expand.
3900 (mips_lwx_<mode>): Delete.
3901 (mips_l<GPR:size>x_<P:mode>): New pattern.
3902 (*mips_lw<u>x_<P:mode>_ext): Likewise.
3903 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
3904 * config/mips/mips.c (mips_lx_address_p): New function.
3905 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
3906 (dsp64): New availability predicate.
3907 (mips_builtins): Add an entry for __builtin_mips_ldx.
3908 * config/mips/mips.h (ISA_HAS_LBX): New define.
3909 (ISA_HAS_LBUX): Likewise.
3910 (ISA_HAS_LHX): Likewise.
3911 (ISA_HAS_LHUX): Likewise.
3912 (ISA_HAS_LWX): Likewise.
3913 (ISA_HAS_LWUX): Likewise.
3914 (ISA_HAS_LDX): Likewise.
3915 * doc/extend.texi (__builtin_mips_ldx): Document.
3917 2012-01-04 Tristan Gingold <gingold@adacore.com>
3919 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
3920 when long pointers are used.
3921 * config.build (*-*-*vms*): Handle all OpenVMS targets.
3922 (alpha64-dec-*vms*, alpha*-dec-*vms*)
3923 (ia64-hp-*vms*): Remove.
3924 * config/vms/xm-vms64.h: Delete.
3926 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3929 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
3931 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3933 * opts.c (finish_options): Remove duplicate sorry.
3935 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3938 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
3941 2012-01-04 Richard Guenther <rguenther@suse.de>
3944 * tree.c (size_low_cst): New function.
3945 * tree.h (size_low_cst): Declare.
3946 * fold-const.c (fold_comparison): Use it to extract the low
3947 part of the POINTER_PLUS_EXPR offset.
3949 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
3951 Fix clearing ZERO_REG
3952 * config/avr/avr.md (cc): Add alternative "ldi".
3953 (movqi_insn): Use it in cc attribute.
3954 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
3955 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
3956 (output_reload_insisf): Use ZERO_REG to pre-clear register.
3958 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3960 * configure: Regenerate.
3962 2012-01-04 Richard Guenther <rguenther@suse.de>
3964 PR tree-optimization/49651
3965 * tree-ssa-structalias.c (type_can_have_subvars): New function.
3966 (var_can_have_subvars): Use it.
3967 (get_constraint_for_1): Only consider subfields if there can be any.
3969 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3972 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
3973 to its new canonical_cselib_val and the cselib_val was in
3974 first_containing_mem chain, but the canonical_cselib_val was not,
3975 add the latter into the chain.
3976 (cselib_invalidate_mem): Compare canonical_cselib_val of
3977 addr_list chain elt with v.
3980 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
3981 dwarf2out_undef): Allocate e.info using ggc_strdup instead
3983 (output_macinfo_op): Don't ggc_strdup fd->filename.
3984 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
3985 then ggc_strdup it. Don't free inc->info or cur->info.
3986 (output_macinfo): Don't free ref->info or file->info.
3988 2012-01-03 Ira Rosen <irar@il.ibm.com>
3990 PR tree-optimization/51269
3991 * tree-vect-loop-manip.c (set_prologue_iterations): Make
3992 first_niters a pointer.
3993 (slpeel_tree_peel_loop_to_edge): Likewise.
3994 (vect_do_peeling_for_loop_bound): Update call to
3995 slpeel_tree_peel_loop_to_edge.
3996 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
3997 here. Remove it from the parameters list.
3998 (vect_do_peeling_for_alignment): Update calls and compute
4001 2012-01-03 Richard Guenther <rguenther@suse.de>
4003 PR tree-optimization/51070
4004 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
4005 Properly handle calls.
4007 2012-01-03 Richard Guenther <rguenther@suse.de>
4009 PR tree-optimization/51692
4010 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
4011 the LHS of allocation stmts.
4013 2012-01-03 Olivier Hainque <hainque@adacore.com>
4015 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
4017 2012-01-03 Olivier Hainque <hainque@adacore.com>
4019 * collect2.c (main): In AIX specific computations for vector
4020 insertions, use CONST_CAST2 to cast from char ** to const char **.
4022 2012-01-03 Richard Guenther <rguenther@suse.de>
4025 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
4026 the context of a limbo DIE when it does not already exist.
4028 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4030 PR tree-optimization/51719
4031 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
4032 but direct call is, clear direct call's lhs and don't add fallthrough
4033 edge from dcall_bb to join_bb and PHIs.
4035 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4037 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
4038 the instructions emitted by the pattern.
4039 ("*TDC_insn_<mode>"): Add comment.
4041 2012-01-03 Richard Guenther <rguenther@suse.de>
4044 * fold-const.c (fold_comparison): Properly canonicalize
4045 tree offset and HOST_WIDE_INT bit position.
4047 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
4049 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
4050 operands for extzv pattern.
4052 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4055 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
4058 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
4060 * doc/invoke.texi (-flto and related options): Copy-edit.
4062 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4064 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
4066 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4068 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
4071 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4073 * expr.h (move_by_pieces_ninsns): Declare.
4074 * expr.c (move_by_pieces_ninsns): Make external.
4075 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
4076 (mips_store_by_pieces_p): Likewise.
4077 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
4078 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
4079 * config/mips/mips.c (mips_move_by_pieces_p): New function.
4080 (mips_store_by_pieces_p): Likewise.
4082 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4084 * passes.c (register_one_dump_file): Free full_name.
4086 * reload1.c (reload): Don't allocate reg_max_ref_width here.
4087 (calculate_elim_costs_all_insns): Free offsets_at and
4088 offsets_known_at at the end and clear the pointers.
4090 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4092 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
4093 this option introduced in r180739.
4095 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4098 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
4099 (tmake_file target=avr): Add avr/t-multilib.
4101 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
4102 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
4103 * config/avr/genmultilib.awk: New file.
4104 * config/avr/t-multilib: New auto-generated file.
4105 * config/avr/multilib.h: New auto-generated file.
4106 * config/avr/t-avr (AVR_MCUS): New variable.
4107 (genopt.sh): Use it.
4108 (s-mlib): Depend on t-multilib.
4109 (t-multilib, multilib.h): New dependencies.
4110 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
4111 (MULTILIB_OPTIONS): Remove.
4112 (MULTILIB_MATCHES): Remove.
4113 (MULTILIB_DIRNAMES): Remove.
4114 (MULTILIB_EXCEPTIONS): Remove:
4115 * config/avr/genopt.sh: Don't use hard coded file name;
4116 pass AVR_MCUS from t-avr instead.
4118 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4120 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
4122 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4124 Implement light-weight DImode support.
4125 * config/avr/avr-dimode.md: New file.
4126 * config/avr/avr.md: Include it.
4127 (adjust_len): Add plus64, compare64.
4128 (HIDI): Remove code iterator.
4129 (code_stdname): New code attribute.
4130 (rotx, rotsmode): Remove DI.
4131 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
4133 * config/avr/avr-protos.h (avr_have_dimode): New.
4134 (avr_out_plus64, avr_out_compare64): New.
4135 * config/avr/avr.c (avr_out_compare): Handle DImode.
4136 (avr_have_dimode): New variable definition and initialization.
4137 (avr_out_compare64, avr_out_plus64): New functions.
4138 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
4139 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
4140 (avr_compare_pattern): Skip DImode comparisons.
4142 2012-01-02 Revital Eres <revital.eres@linaro.org>
4144 * ddg.c (def_has_ccmode_p): New function.
4145 (add_cross_iteration_register_deps,
4146 create_ddg_dep_from_intra_loop_link): Call it.
4148 2012-01-02 Richard Guenther <rguenther@suse.de>
4151 * invoke.texi (fassociative-math): Remove spurious paranthesis.
4153 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4155 * gcc.c (process_command): Update copyright notice dates.
4156 * gcov.c (print_version): Likewise.
4157 * gcov-dump.c (print_version): Likewise.
4158 * mips-tfile.c (main): Likewise.
4159 * mips-tdump.c (main): Likewise.
4161 2012-01-01 Ira Rosen <irar@il.ibm.com>
4163 PR tree-optimization/51704
4164 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
4165 a use is inside the basic block or loop before accessing its vect info.
4167 2012-01-01 Jan Hubicka <jhjh@suse.cz>
4169 PR rtl-optimization/51069
4170 * cfgloopmanip.c (remove_path): Removing path making irreducible
4171 region unconditional makes BB part of the region.
4173 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4175 PR tree-optimization/51683
4176 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
4177 calls with side-effects.
4178 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
4180 Copyright (C) 2012 Free Software Foundation, Inc.
4182 Copying and distribution of this file, with or without modification,
4183 are permitted in any medium without royalty provided the copyright
4184 notice and this notice are preserved.