1 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
3 * system.h: Poison SMALL_REGISTER_CLASSES
4 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
5 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
7 2012-02-16 Jakub Jelinek <jakub@redhat.com>
9 PR tree-optimization/52285
10 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
11 when deciding if a call is a tail call or tail recursion.
13 2012-02-16 Kai Tietz <ktietz@redhat.com>
15 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
16 interger-constant displacement for UNSPEC_PCREL.
18 2012-02-16 Jakub Jelinek <jakub@redhat.com>
20 PR rtl-optimization/52208
21 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
22 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
24 PR tree-optimization/52255
25 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
26 loop->header has virtual PHI, but exit_e->dest doesn't, add
27 virtual PHI to exit_e->dest and adjust all uses after the loop.
30 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
31 children with clone_tree_hash, not after it.
33 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
35 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
38 2012-02-16 Jakub Jelinek <jakub@redhat.com>
41 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
42 a same_body_alias, also test whether e->callee isn't a former
43 or current clone of the decl this is a same body alias of.
46 * cgraphunit.c (verify_cgraph_node): Fix a typo.
48 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
50 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
52 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
55 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
56 force_reg instead of copy_to_reg for better optimization. Force
57 non-register or memory operands into a register.
59 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
61 * extend.texi: Reserve upper bits of memory model for future use.
63 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
64 Anatoly Sokolov <aesok@post.ru>
65 Eric Weddington <eric.weddington@atmel.com>
68 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
69 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
70 Rewrite initializers for .macro.
71 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
72 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
73 atxmega32d4, atxmega32x1.
74 avrxmega4: atxmega64a3, atxmega64d3.
75 avrxmega5: atxmega64a1, atxmega64a1u.
76 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
77 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
78 avrxmega7: atxmega128a1, atxmega128a1u.
79 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
80 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
81 (struct base_arch_s): Rename reserved to xmega_p.
82 Rename reserved2 to have_rampd.
83 (AVR_XMEGA): New define.
84 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
85 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
86 * config/avr/predicates.md (io_address_operand): Take into
88 (low_io_address_operand): Ditto.
89 (high_io_address_operand): Ditto.
90 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
91 (enabled, movhi_sp_r): Use them.
92 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
93 cpp_define_formatted to built-in define __AVR_ARCH__.
94 (__AVR_XMEGA__): New built-in define.
95 (__AVR_HAVE_RAMPD__): New built-in define.
96 (__AVR_HAVE_RAMPX__): New built-in define.
97 (__AVR_HAVE_RAMPY__): New built-in define.
98 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
100 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
101 (avr_option_override): Initialize them.
102 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
103 (avr_init_expanders): Initialize them. No more block several calls.
104 (emit_push_sfr): New static function.
105 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
107 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
108 (avr_print_operand): Print addreeses as symbols for
109 RAMPX, RAMPY, RAMPD, CCP.
110 (output_movhi): Handle AVR_XMEGA when writing to SP.
111 (avr_out_movhi_mr_r_xmega): New static function.
112 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
113 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
114 __RAMPD__, __CCP__ as needed.
116 * config/avr/multilib.h: Regenerate.
117 * config/avr/t-multilib: Regenerate.
118 * config/avr/avr-tables.opt: Regenerate.
120 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
122 PR tree-optimization/50561
123 * graphite-flattening.c (lst_project_loop): Do not
124 remove old scattering dimensions after flattening.
125 (lst_do_flatten): Likewise.
127 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
129 * doc/extend.texi (AVR Built-in Functions): Remove doc for
130 __builtin_avr_map8, __builtin_avr_map16.
131 Document __builtin_avr_insert_bits.
133 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
134 (insert_bits): New insn.
135 (adjust_len.map_bits): Rename to insert_bits.
136 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
137 * avr-protos.h (avr_out_map_bits): Remove.
138 (avr_out_insert_bits, avr_has_nibble_0xf): New.
139 * config/avr/constraints.md (Cxf,C0f): New.
140 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
141 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
142 New built-in define __BUILTIN_AVR_INSERT_BITS.
143 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
144 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
145 (avr_move_bits): Rewrite.
146 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
148 (avr_map_op_t): New typedef.
149 (avr_map_op): New static variable.
150 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
151 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
152 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
153 (bdesc_3arg, avr_expand_triop_builtin): New.
154 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
155 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
156 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
157 (avr_map_equal_p, avr_map_sig_p): Remove.
158 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
159 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
160 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
161 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
162 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
163 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
165 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
167 * config/c6x/c6x.md (reserve_cycles): New attribute.
168 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
169 don't reserve functional units after the branch occurs.
171 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
174 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
175 functions into non-tm_pure functions.
177 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
180 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
181 (iterative_hash_canonical_type): Likewise.
182 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
185 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
187 * haifa-sched.c (prune_ready_list): Ensure that if there is a
188 sched-group insn, it either remains alone or the entire list is
191 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
193 * doc/install.texi (Prerequisites): Fix grammar.
194 (Configuration): Likewise.
196 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
198 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
199 MPC as part of GCC before describing configuring with --with-gmp etc.
200 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
203 2012-02-14 Jakub Jelinek <jakub@redhat.com>
206 * dwarf2out.c (clone_tree_hash): New function.
207 (copy_decls_walk): Use it instead of clone_tree.
209 2012-02-14 Richard Guenther <rguenther@suse.de>
211 PR tree-optimization/52244
212 PR tree-optimization/51528
213 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
214 replacements for integral types.
216 2012-02-14 Walter Lee <walt@tilera.com>
218 * config.gcc: Handle tilegx and tilepro.
219 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
221 Add HAVE_AS_TLS check for tilegx and tilepro.
222 * configure: Regenerate.
223 * doc/contrib.texi: Add Mat Hostetter and self.
224 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
225 Document instruction intrinsics and network accessing intrinsics.
226 (TILEPro Built-in Functions): New node. Document instruction
227 intrinsics and network accessing intrinsics.
228 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
229 (Specific, tilepro-*-linux*): Likewise.
230 * doc/invoke.texi (TILE-Gx Options): New section.
231 (TILEPro Options): New section.
232 * doc/md.texi (TILE-Gx): New section.
233 (TILEPro): New section.
234 * common/config/tilegx/tilegx-common.c: New file.
235 * common/config/tilepro/tilepro-common.c: New file.
236 * config/tilegx/constraints.md: New file.
237 * config/tilegx/linux.h: New file.
238 * config/tilegx/mul-tables.c: New file.
239 * config/tilegx/predicates.md: New file.
240 * config/tilegx/sync.md: New file.
241 * config/tilegx/t-tilegx: New file.
242 * config/tilegx/tilegx-builtins.h: New file.
243 * config/tilegx/tilegx-c.c: New file.
244 * config/tilegx/tilegx-generic.md: New file.
245 * config/tilegx/tilegx-modes.def: New file.
246 * config/tilegx/tilegx-multiply.h: New file.
247 * config/tilegx/tilegx-protos.h: New file.
248 * config/tilegx/tilegx.c: New file.
249 * config/tilegx/tilegx.h: New file.
250 * config/tilegx/tilegx.md: New file.
251 * config/tilegx/tilegx.opt: New file.
252 * config/tilepro/constraints.md: New file.
253 * config/tilepro/gen-mul-tables.cc: New file.
254 * config/tilepro/linux.h: New file.
255 * config/tilepro/mul-tables.c: New file.
256 * config/tilepro/predicates.md: New file.
257 * config/tilepro/t-tilepro: New file.
258 * config/tilepro/tilepro-builtins.h: New file.
259 * config/tilepro/tilepro-c.c: New file.
260 * config/tilepro/tilepro-generic.md: New file.
261 * config/tilepro/tilepro-modes.def: New file.
262 * config/tilepro/tilepro-multiply.h: New file.
263 * config/tilepro/tilepro-protos.h: New file.
264 * config/tilepro/tilepro.c: New file.
265 * config/tilepro/tilepro.h: New file.
266 * config/tilepro/tilepro.md: New file.
267 * config/tilepro/tilepro.opt: New file.
269 2012-02-14 Jakub Jelinek <jakub@redhat.com>
271 PR tree-optimization/52210
272 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
273 vect_model_simple_cost with two entry vect_def_type array instead
276 2012-02-14 Richard Guenther <rguenther@suse.de>
279 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
280 Do not stream DECL_QUALIFIER.
281 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
282 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
283 (find_decls_types_r): Do not walk DECL_QUALIFIER.
285 2012-02-14 Jakub Jelinek <jakub@redhat.com>
288 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
291 2012-02-13 Jakub Jelinek <jakub@redhat.com>
294 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
295 * cselib.c (cselib_subst_to_values_from_insn): New function.
296 * sched-deps.c (add_insn_mem_dependence,
297 sched_analyze_1, sched_analyze_2): Use it.
299 2012-02-13 Jan Hubicka <jh@suse.cz>
302 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
304 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
306 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
307 (GTM_SELF_SPECS): Define if not already defined.
308 (driver_self_specs): Add GTM_SELF_SPECS.
309 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
310 (GTM_SELF_SPECS): Define.
311 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
312 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
314 2012-02-13 Jakub Jelinek <jakub@redhat.com>
316 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
319 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is
323 * omp-low.c (expand_omp_for): If a static schedule without
324 chunk size has NULL region->cont, force fd.chunk_size to be
327 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
330 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
332 2012-02-13 Richard Guenther <rguenther@suse.de>
335 * passes.c (enable_disable_pass): Fix typo.
337 2012-02-13 Jakub Jelinek <jakub@redhat.com>
340 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
341 XOR for reduce_bit_field if type is unsigned.
343 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
345 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
346 disallow changes from SFmode to mode with different size in FP regs.
348 2012-02-12 Robert Millan <rmh@gnu.org>
349 Gerald Pfeifer <gerald@pfeifer.com>
351 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
354 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
356 PR rtl-optimization/52175
357 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
358 to frame-related instructions.
360 2012-02-10 Jason Merrill <jason@redhat.com>
363 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
364 (demangle_new_symbols): Fill it.
365 (scan_linker_output): Walk it.
366 (start_tweaking): Split out from scan_linker_output.
367 (maybe_tweak): Update sym->chosen.
368 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
370 2012-02-11 Jakub Jelinek <jakub@redhat.com>
373 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
376 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
378 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
379 having the same mode as previous compare.
381 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
383 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
384 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
385 (nonlocal_goto_internal): Likewise.
386 (nonlocal_goto): Emit a use and an indirect jump directly.
388 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
391 * doc/extend.texi : Update comments for __atomic_compare_exchange and
392 __atomic_{is,always}_lock_free.
394 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
397 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
398 negative constant address for x32.
400 2012-02-10 Richard Henderson <rth@redhat.com>
402 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
403 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
404 for GIMPLE_TRANSACTION. Tidy if's into a switch.
406 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
407 Ira Rosen <irar@il.ibm.com>
409 PR tree-optimization/50031
410 * targhooks.c (default_builtin_vectorization_cost): Handle
412 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
413 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
414 all types of reduction and pattern statements.
415 (vect_estimate_min_profitable_iters): Likewise.
416 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
417 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
418 for explicit realigns.
419 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
420 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
422 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
423 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
424 vec_perm for VSX and handle vec_promote_demote.
426 2012-02-10 Jakub Jelinek <jakub@redhat.com>
429 * builtins.c (fold_builtin_atomic_always_lock_free,
430 expand_builtin_atomic_always_lock_free,
431 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
432 Return and/or test boolean_true_node/boolean_false_node instead of
433 integer_one_node/integer_zero_node.
435 2012-02-10 Jan Hubicka <jh@suse.cz>
438 * predict.c (predict_paths_for_bb): Prevent looping.
439 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
441 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
443 * config/arm/arm.c (output_move_double): In one case properly
444 count number of instructions that will be emitted.
446 2012-02-10 Richard Guenther <rguenther@suse.de>
449 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
451 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
454 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
456 2012-02-09 Jakub Jelinek <jakub@redhat.com>
459 * var-tracking.c (emit_note_insn_var_location): If
460 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
461 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
462 non-NOTE_DURING_CALL_P insn.
464 2012-02-09 Bin Cheng <bin.cheng@arm.com>
467 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
469 2012-02-08 Magnus Granberg <zorry@gentoo.org>
472 * gcc.c (switch_matches) Support switches with separated form,
475 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
477 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
480 * config/avr/avr.c (avr_addr_t): New typedef.
481 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
482 (avr_init_expanders): Initialize it.
483 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
485 (expand_epilogue): Ditto.
486 (avr_print_operand): Ditto.
487 (avr_file_start): Ditto.
488 (avr_emit_movmemhi): Ditto.
490 2012-02-08 Richard Guenther <rguenther@suse.de>
492 PR tree-optimization/46886
493 * tree-flow.h (do_while_loop_p): Declare.
494 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
495 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
497 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
499 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
500 always succeed for integers larger than a native word.
502 2012-02-08 Richard Guenther <rguenther@suse.de>
504 PR rtl-optimization/52170
505 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
506 properly handle integer vector modes.
508 2012-02-08 Jakub Jelinek <jakub@redhat.com>
510 PR gcov-profile/52150
511 * coverage.c: Include target.h.
512 (build_var): Call targetm.strip_name_encoding on the assembler name.
513 Change one _ into . or $ if the target allows it.
514 * Makefile.in (coverage.o): Depend on $(TARGET_H).
516 PR rtl-optimization/52139
517 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
518 is a BARRIER after emit_insn_after_noloc, move BB_END
519 to the last non-BARRIER insn before it.
521 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
524 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
525 (mips_gimplify_va_arg_expr): Call it instead of
526 std_gimplify_va_arg_expr.
528 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
530 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
531 message for -mno-pointers-to-nested-function.
533 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
536 * expr.c (get_inner_reference): If there is an offset, add a negative
537 bit position to it (if any).
539 2012-02-07 Jakub Jelinek <jakub@redhat.com>
541 PR rtl-optimization/52060
542 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
543 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
544 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
545 and/or i0src_copy2 when needed.
547 2012-02-07 Jakub Jelinek <jakub@redhat.com>
549 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
550 or LTOPLUGINSONAME if have_c.
552 * config/freebsd-spec.h: Add comment about what macros can be defined
554 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
555 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
558 2012-02-07 Richard Guenther <rguenther@suse.de>
560 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
561 newline in -alias dumps.
563 2012-02-07 Kai Tietz <ktietz@redhat.com>
564 Dave Korn <dave.korn.cygwin@gmail.com>
567 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
568 Take care that typinfo gets dllexport-attribute.
570 2012-02-07 Jakub Jelinek <jakub@redhat.com>
573 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
574 if modifier < EXPAND_SUM call force_operand on the result.
576 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
578 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
579 adding __forwarder_dst__ prefix if a forwarder_section attribute is
581 (epiphany_function_type): Replace types for specific interrupts with
582 EPIPHANY_FUNCTION_INTERRUPT.
583 (EPIPHANY_INTERRUPT_P): Update.
584 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
586 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
587 <disinterrupt>: Affects type identity.
588 (epiphany_handle_interrupt_attribute): Handle variable number of
590 (epiphany_compute_function_type): Update for new
591 epiphany_function_type definition.
592 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
593 handlers with a longcall forwarder.
594 (epiphany_start_function): Handle multiple interrupt arguments and/or
595 forwarder_section attribute.
597 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
600 2012-02-07 Alan Modra <amodra@gmail.com>
603 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
606 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
608 PR tree-optimization/50969
609 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
610 use vec_perm rather than vector_stmt.
611 (vect_model_load_cost): Likewise.
612 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
613 vec_perm to be the same as other vector statements.
614 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
615 cost of vec_perm for TARGET_VSX.
617 2012-02-06 Richard Guenther <rguenther@suse.de>
619 PR tree-optimization/52115
620 * tree-sra.c (access_has_replacements_p): New function.
621 (sra_modify_assign): Use it to decide whether a use is uninitialized.
623 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
626 * trans-mem.c (expand_call_tm): Add an assertion.
627 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
630 2012-02-06 Richard Guenther <rguenther@suse.de>
632 PR tree-optimization/50955
633 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
634 raise cost of expressions that replace an address with an
635 expression based on a different pointer.
637 2012-02-06 Jakub Jelinek <jakub@redhat.com>
640 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
641 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
643 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
646 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
647 -Weffc++ and specify guidelines come from second edition.
649 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
651 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
652 (sibcall_value_multiple_internal, call_split, call_internal_direct)
653 (call_direct_split, call_value_split, call_value_internal_direct)
654 (call_value_direct_split, call_value_multiple_split): Use jal and
655 jal_macro attributes.
657 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
659 * reload1.c (reload_regs_reach_end_p): Replace with...
660 (reload_reg_rtx_reaches_end_p): ...this function.
661 (new_spill_reg_store): Update commentary.
662 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
663 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
664 before setting new_spill_reg_store.
665 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
666 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
667 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
668 for non-spill reload registers.
670 2012-02-05 Ira Rosen <irar@il.ibm.com>
672 PR tree-optimization/52091
673 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
674 (vect_is_simple_use_1): Likewise.
675 * tree-vect-loop.c (vectorizable_reduction): Update calls
676 to vect_is_simple_use_1 and vect_is_simple_use.
677 (vectorizable_live_operation): Likewise.
678 * tree-vect-patterns.c (widened_name_p,
679 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
680 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
681 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
682 vectorizable_shift,vectorizable_operation, vectorizable_store,
683 vectorizable_load): Likewise.
684 (vect_is_simple_cond): Add an argument, pass it to
685 vect_is_simple_use_1.
686 (vectorizable_condition): Update calls to vect_is_simple_cond,
688 (vect_is_simple_use): Add an argument, the statement in which
689 OPERAND is used. Check that if OPERAND's def stmt is a double
690 reduction phi node, the use is a phi node too.
691 (vect_is_simple_use_1): Add an argument, pass it to
693 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
694 to vect_is_simple_use.
696 2012-02-04 Jakub Jelinek <jakub@redhat.com>
698 PR rtl-optimization/52095
699 * modulo-sched.c (dump_insn_locator): New function.
700 (loop_canon_p, sms_schedule): Use it.
702 PR rtl-optimization/52113
703 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
704 even for decomposable shift/zext insns.
706 2012-02-03 Jakub Jelinek <jakub@redhat.com>
707 Zdenek Dvorak <ook@ucw.cz>
709 PR rtl-optimization/52092
710 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
711 on get_iv_value result.
713 2012-02-02 Andrew Pinski <apinski@cavium.com>
717 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
719 2012-02-02 Jakub Jelinek <jakub@redhat.com>
722 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
724 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
726 PR rtl-optimization/49800
727 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
728 (sched_finish): Call regstat_free_n_sets_and_refs.
730 2012-02-02 Jia Liu <proljc@gmail.com>
732 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
735 2012-02-02 Jan Hubicka <jh@suse.cz>
736 Tom de Vries <tom@codesourcery.com>
739 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
740 * varpool.c (varpool_analyze_pending_decls): Likewise.
742 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
743 Jayant R Sonar <jayant.sonar@kpitcummins.com>
745 * config.gcc: Add cr16-* support.
747 * doc/extend.texi: Document cr16 extensions.
748 * doc/install.texi: Document cr16 install.
749 * doc/invoke.texi: Document cr16 options.
750 * doc/md.texi: Document cr16 constraints.
752 * common/config/cr16/cr16-common.c: New file.
753 * config/cr16/cr16.c: New file.
754 * config/cr16/cr16.h: New file.
755 * config/cr16/cr16.md: New file.
756 * config/cr16/cr16.opt: New file.
757 * config/cr16/cr16-protos.h: New file.
758 * config/cr16/predicates.md: New file.
759 * config/cr16/constraints.md: New file.
760 * config/cr16/t-cr16: New file.
762 2012-02-02 Jakub Jelinek <jakub@redhat.com>
765 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
766 that operands[2] is either immediate, or q_regs_operand.
768 PR tree-optimization/52073
769 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
770 a pattern stmt for pattern uses, ignore uses outside of the loop.
772 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
774 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
775 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
776 (OUT_AS1, OUT_AS2): Remove.
778 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
780 PR rtl-optimization/51374
781 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
782 to cross other volatile_refs_p insns.
784 2012-02-01 Richard Guenther <rguenther@suse.de>
786 * doc/invoke.texi (fno-inline): Clarify documentation.
787 (finline-small-functions): Likewise.
788 (finline-functions): Likewise.
789 * common.opt (finline): Adjust comment and documentation.
790 (finline-small-functions): Clarify documentation.
791 (finline-functions): Likewise.
792 (finline-functions-called-once): Likewise.
794 2012-02-01 Tristan Gingold <gingold@adacore.com>
796 * c-typeck.c (composite_type): Keep mode for pointers.
798 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
800 * function.h (regno_reg_rtx): Adjust comment.
801 * reginfo.c (init_reg_modes_target): Only use the previous mode
802 if it fits within one register. Remove MIPS comment.
804 2012-01-31 Jakub Jelinek <jakub@redhat.com>
807 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
809 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
811 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
814 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
816 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
818 2012-01-31 Jakub Jelinek <jakub@redhat.com>
823 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
825 2012-01-31 Richard Guenther <rguenther@suse.de>
827 PR tree-optimization/51528
828 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
831 2012-01-31 Jakub Jelinek <jakub@redhat.com>
836 * ree.c (add_removable_extension): Change def_map argument
837 to unsigned *, store in def_map 1 + offset into *insn_list vector
838 instead of pointers into the vector.
839 (find_removable_extensions): Adjust caller.
841 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
843 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
844 Transform all "* quoted-c-code" to { c-code }.
845 Remove redundant test for "optimize" in combine patterns.
846 Move (include "avr-dimode.md") to end of file.
848 2012-01-30 Bin Cheng <bin.cheng@arm.com>
851 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
852 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
854 2012-01-30 Richard Guenther <rguenther@suse.de>
856 PR tree-optimization/52028
857 * tree-loop-distribution.c (ldist_gen): Properly update
860 2012-01-30 Jakub Jelinek <jakub@redhat.com>
863 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
864 set_cur_line_info_table if not emitting debug info.
866 PR tree-optimization/52046
867 * tree-vect-patterns.c (check_bool_pattern): Give up if
868 a comparison could throw.
871 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
873 2012-01-30 Richard Guenther <rguenther@suse.de>
875 PR tree-optimization/52045
876 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
877 SSA form if cfgcleanup did anything.
879 2012-01-30 Richard Guenther <rguenther@suse.de>
881 PR tree-optimization/52045
882 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
883 before computing final todo.
885 2012-01-30 Richard Guenther <rguenther@suse.de>
887 PR tree-optimization/51528
888 * tree-sra.c (sra_modify_assign): Re-factor in preparation
891 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
893 * df-problems.c (df_kill_notes): Check that the use refers
894 to the note under examination.
896 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
899 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
900 parameter and use short-lived pseudos.
901 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
902 (sparc_expand_vector_init): Const-ify local variables and adjust
903 calls to above functions.
905 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
907 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
909 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
911 * doc/invoke.texi: Make usage of "compile time" and
912 "run time"/"runtime" consistent throughout the file.
914 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
916 * config/alpha/alpha.c (alpha_option_override): Default to
917 full IEEE compliance mode for Go language.
919 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
921 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
922 (LINK_SSP_SPEC): Define.
924 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
927 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
930 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
932 * doc/invoke.texi: Correct hyphenation of "floating point",
933 "double precision", and related terminology throughout the file.
935 2012-01-28 Jakub Jelinek <jakub@redhat.com>
938 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
939 arm_general_register_operand predicate for operand 2 instead of
942 2012-01-27 Ian Lance Taylor <iant@google.com>
945 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
946 * builtins.c (expand_builtin_init_trampoline): Add onstack
947 parameter. Change caller.
948 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
949 * tree.c (build_common_builtin_nodes): Declare
950 __builtin_init_heap_trampoline.
952 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
954 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
955 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
956 * config/avr/avr.c: Ditto.
957 (avr_regnames): Remove because unused.
958 * config/avr/avr.md (*cpse.ne): New peephole.
959 (*cpse.eq): New peephole from former cpse peepholes.
961 2012-01-27 Michael Eager <eager@eagercon.com>
963 * config/microblaze.c (microblaze_emit_compare): Correct
964 test after pcmp instruction.
966 2012-01-27 Richard Guenther <rguenther@suse.de>
968 PR tree-optimization/52020
969 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
971 2012-01-27 Richard Guenther <rguenther@suse.de>
973 * ipa-pure-const.c (check_stmt): Clobbers do not make a
974 function non-const/pure.
976 2012-01-27 Richard Guenther <rguenther@suse.de>
978 PR tree-optimization/50444
979 * tree-sra.c (build_ref_for_offset): Properly adjust the
980 MEM_REF type for unaligned accesses.
982 2012-01-27 Richard Guenther <rguenther@suse.de>
984 PR tree-optimization/50444
985 * expr.c (mem_ref_refers_to_non_mem_p): New function.
986 (expand_assignment): Use it. Properly handle misaligned
987 bases when expanding stores to component references.
988 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
991 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
994 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
995 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
996 * tree-data-ref.c (find_data_references_in_loop): Make static.
997 (compute_all_dependences): Change return type to bool. Bail out
998 for too many datarefs in a loop. Move the hunk resetting the data
999 dependences vector from ...
1000 (compute_data_dependences_for_loop): ... here. Account for
1001 compute_all_dependences returning false.
1002 (compute_data_dependences_for_bb): Likewise.
1003 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1004 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1006 2012-01-27 Richard Guenther <rguenther@suse.de>
1009 * expr.c (store_field): Use the alias-set of the scratch memory
1012 2012-01-27 Tom de Vries <tom@codesourcery.com>
1014 PR tree-optimization/51990
1015 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1017 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1019 2012-01-27 Jakub Jelinek <jakub@redhat.com>
1022 * var-tracking.c (reverse_op): Don't add any reverse operation
1023 if V already has any constant locations.
1025 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1027 * doc/invoke.texi: Correct usage of "command line" (noun)
1028 vs "command-line" (adjective) throughout.
1030 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1032 * doc/invoke.texi (Language Independent Options): Move
1033 -Wcoverage-mismatch blurb from here....
1034 (Warning Options): ...to here.
1036 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
1038 * config/rs6000/rs6000.c (rs6000_option_override_internal):
1039 Set rs6000_always_hint to false for 476.
1041 2012-01-27 Matthias Klose <doko@ubuntu.com>
1043 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1045 * incpath.c (add_standard_paths): Likewise.
1047 2012-01-27 Richard Henderson <rth@redhat.com>
1049 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1050 * config/m68k/sync.md (atomic_test_and_set): Rename from
1051 sync_test_and_setqi and adjust the operands.
1052 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1053 and unconditionally enable.
1055 2012-01-27 Richard Henderson <rth@redhat.com>
1057 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1058 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1059 (ldstub): Rename from ldstubqi.
1060 (ldstub<I24MODE>): Remove.
1062 2012-01-27 Richard Henderson <rth@redhat.com>
1064 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1065 * c-cppbuiltin.c (cpp_atomic_builtins): Define
1066 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1067 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1068 * doc/tm.texi: Rebuild.
1070 2012-01-27 Richard Henderson <rth@redhat.com>
1072 * optabs.c (gen_atomic_test_and_set): Remove default.
1073 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1075 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1077 PR rtl-optimization/51978
1078 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1079 (combine_reaching_defs): Likewise.
1080 (struct re_info): Remove.
1081 (add_removable_extension): Remove x and data arguments,
1082 add insn, insn_list and def_map. Use the arguments directly
1083 instead of using struct re_info.
1084 (find_removable_extensions): Don't call add_removable_extension
1085 through note_stores, instead just call it with single_set
1087 (find_and_remove_re): Pass curr_cand->expr instead of
1088 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1090 2012-01-26 Michael Matz <matz@suse.de>
1092 PR tree-optimization/46590
1093 * cfgexpand.c: Revert last change (r183305).
1094 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1096 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1097 checking for emptiness.
1099 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1102 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1103 non-addressable non-BLKmode base correctly.
1105 2012-01-26 Michael Matz <matz@suse.de>
1107 PR tree-optimization/48794
1108 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1109 regions referenced from RESX/EH_DISPATCH.
1111 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1113 * config/s390/s390.h: Make BRANCH_COST an option.
1114 * config/s390/s390.opt: New option -mbranch-cost.
1116 2012-01-26 Richard Henderson <rth@redhat.com>
1118 Revert 2012-01-24 change:
1119 * trans-mem.c (requires_barrier): Do not instrument thread local
1120 variables and emit save/restore for them.
1122 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1125 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1128 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
1130 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1133 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
1136 Rename __pgm to __flash.
1137 Rename __pgm1 to __flash1.
1138 Rename __pgm2 to __flash2.
1139 Rename __pgm3 to __flash3.
1140 Rename __pgm4 to __flash4.
1141 Rename __pgm5 to __flash5.
1142 Rename __pgmx to __memx.
1143 * doc/extend.texi (AVR Named Address Spaces)
1144 Rename address space names as indicated above.
1145 * config/avr/avr.c (avr_addrspace): Ditto.
1147 * config/avr/avr-protos.h
1148 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1149 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1150 * config/avr/predicates.md: Ditto.
1151 * config/avr/avr.c Ditto, and
1152 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1153 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1155 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1156 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1157 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1158 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1159 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1160 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1161 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1162 * config/avr/avr.c: Ditto.
1163 * config/avr/avr.md: Ditto.
1165 2012-01-25 Jason Merrill <jason@redhat.com>
1168 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1170 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1172 PR tree-optimization/51987
1173 * tree-data-ref.c (get_references_in_stmt): Handle references in
1174 non-volatile GIMPLE_ASM.
1176 2012-01-25 Richard Guenther <rguenther@suse.de>
1178 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1179 bases are dereferenced.
1181 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1183 PR rtl-optimization/48374
1184 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1186 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1188 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1189 compute_data_dependences_for_loop returns false.
1190 * tree-parloops.c (loop_parallel_p): Likewise.
1192 2012-01-25 Richard Guenther <rguenther@suse.de>
1194 * tree.h (get_pointer_alignment_1): Declare.
1195 * builtins.c (get_pointer_alignment_1): New function.
1196 (get_pointer_alignment): Use it.
1198 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1200 PR rtl-optimization/48308
1201 * combine.c (enum undo_kind): Add UNDO_LINKS.
1202 (struct undo): Add member l to other_contents and where.
1203 (do_SUBST_LINK): New.
1205 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1206 (undo_all): Handle UNDO_LINKS.
1208 2012-01-25 Richard Henderson <rth@redhat.com>
1210 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1213 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1215 * optabs.c (gen_atomic_test_and_set): Use each argument.
1217 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1219 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1220 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1221 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1222 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1223 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1224 TARGET_PAIRED_SINGLE_FLOAT.
1226 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1228 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1229 (in_struct, return_val): Remove MEM documentation.
1230 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1231 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1232 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1234 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1235 * cfgexpand.c (add_alias_set_conflicts): Likewise.
1236 * expr.c (store_field): Likewise.
1237 * function.c (assign_stack_temp_for_type): Likewise.
1238 * ifcvt.c (noce_try_cmove_arith): Likewise.
1239 * reload1.c (reload): Likewise.
1240 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1241 (alpha_set_memflags): Likewise.
1242 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1244 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1246 * rtl.h (true_dependence, canon_true_dependence): Remove varies
1248 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1249 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1250 (true_dependence_1, true_dependence, canon_true_dependence): Remove
1252 * cselib.c (cselib_rtx_varies_p): Delete.
1253 (cselib_invalidate_mem): Update call to canon_true_dependence.
1254 * dse.c (record_store, check_mem_read_rtx): Likewise.
1255 (scan_reads_nospill): Likewise.
1256 * cse.c (check_dependence): Likewise.
1257 (cse_rtx_varies_p): Delete.
1258 * expr.c (safe_from_p): Update call to true_dependence.
1259 * ira.c (validate_equiv_mem_from_store): Likewise.
1260 (memref_referenced_p): Likewise.
1261 * postreload-gcse.c (find_mem_conflicts): Likewise.
1262 * sched-deps.c (sched_analyze_2): Likewise.
1263 * store-motion.c (load_kills_store): Likewise.
1264 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1265 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1266 (compute_transp): Update call to canon_true_dependence.
1268 2012-01-25 Richard Henderson <rth@redhat.com>
1270 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1271 (maybe_emit_atomic_test_and_set): New.
1272 (expand_sync_lock_test_and_set): Use it.
1273 (expand_atomic_test_and_set): Likewise.
1274 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1275 the implementation; clarify implementation defined details.
1276 * doc/md.texi (atomic_test_and_set): Document.
1278 2012-01-25 Richard Henderson <rth@redhat.com>
1280 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1282 2012-01-25 Richard Henderson <rth@redhat.com>
1285 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1286 to effect no-op split.
1288 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1291 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1292 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1293 (BT_FN_VOID_PTR_INT_SIZE): New.
1294 (BT_FN_UINT_UINT_VAR): Remove.
1295 (BT_FN_UINT32_UINT32_VAR): New.
1296 (BT_FN_DOUBLE_VPTR): Remove.
1297 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1299 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1300 (_ITM_changeTransactionMode): Same.
1301 (_ITM_memmoveRtWt): Change return type to void.
1302 (_ITM_memcpyRtWt): Same.
1303 (_ITM_memsetW): Same.
1304 (_ITM_RaRD): Change types to double.
1309 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1311 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1312 Patrick Marlier <patrick.marlier@gmail.com>
1314 * trans-mem.c (requires_barrier): Do not instrument thread local
1315 variables and emit save/restore for them.
1317 2012-01-24 Jason Merrill <jason@redhat.com>
1320 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1321 output static aliases.
1323 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1326 * common.opt (-pie, -shared, pie, shared): Change from Common to
1328 * gcc.c (display_help): Display help for -pie and -shared.
1330 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1333 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1334 Remove note on size/offset limitation.
1335 (AVR Variable Attributes): Add example how to read data located
1336 with progmem. Refer to named address spaces.
1337 * doc/invoke.texi (AVR Options): Fix typo.
1339 2012-01-24 Richard Guenther <rguenther@suse.de>
1341 Forward-port to trunk
1342 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1345 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1346 op0 isn't sufficiently aligned and there is movmisalignM
1347 insn for mode, use it to load op0 into a temporary register.
1349 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1352 * target.def (const_not_ok_for_debug_p): New hook.
1353 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1355 * doc/tm.texi: Regenerated.
1356 * dwarf2out.c (const_ok_for_output_1): If
1357 targetm.const_not_ok_for_debug_p returns true, fail.
1358 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1360 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1362 2012-01-23 Kai Tietz <ktietz@redhat.com>
1365 * config/i386/predicates.md (symbolic_operand): Allow
1366 UNSPEC_PCREL as PIC expression for lea.
1367 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1368 * config/i386/i386.c (ix86_delegitimize_address): Handle
1369 UNSPEC_PCREL for none-MEM, too.
1371 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1373 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1374 (ipa_tm_create_version_alias): Same.
1376 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1379 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1380 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1382 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1383 Patrick Marlier <patrick.marlier@gmail.com>
1384 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1387 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1388 simple_object_start_read.
1390 2012-01-23 Richard Guenther <rguenther@suse.de>
1393 PR tree-optimization/51895
1394 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1395 parameter decomposition into BLKmode components.
1397 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1399 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1400 fake variables for restrict-qualified pointers whose pointed-to type
1401 contains a placeholder.
1403 2012-01-23 Richard Guenther <rguenther@suse.de>
1405 PR tree-optimization/51949
1406 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1408 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1410 PR rtl-optimization/51933
1411 * ree.c (transform_ifelse): Return true right away if dstreg is
1412 already wider or equal to cand->mode.
1413 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1414 (make_defs_and_copies_lists): Remove defs_list and copies_list
1415 arguments, add state argument, just truncate state->work_list
1416 instead of always allocating and freeing the vector. Assert that
1417 get_defs succeeds instead of returning 2. Changed return type to bool.
1418 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1419 have ext_src_mode, see if it has been modified already with the
1420 right kind of extension and has been extended before from the
1421 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1422 just return true. Remember the original mode in state->modified array.
1423 (combine_reaching_defs): Add state argument. Don't allocate and
1424 free here def_list, copied_list and vec vectors, instead just
1425 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1426 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1427 Add state variable, clear vectors in it, initialize state.modified
1428 if needed. Free all the vectors at the end and state.modified too.
1429 Don't skip a candidate if the extension expression has been modified.
1431 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1434 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1435 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1436 (extra_options) interix.opt -> i386/interix.opt"
1437 (extra_objs):Add winnt-stubs.o
1438 * configure.ac: Add interix to target_os .comm on PE check.
1439 * configure: Regenerate.
1440 * config/interix3.h: Delete and move bits to..
1441 * config/interix.h: Delete and move bits to..
1442 * config/i386/i386-interix3.h: Delete and move bits to..
1443 * config/i386/i386-interix.h: ..here.
1444 (TARGET_CPU_DEFAULT): Remove redefinition.
1445 (TARGET_ASM_CONSTRUCTOR): Undefine.
1446 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1447 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1448 (PTRDIFF_TYPE): Define.
1449 (LONG_DOUBLE_TYPE_SIZE): Define.
1450 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1451 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1452 (TARGET_SECTION_TYPE_FLAGS): Define.
1453 (ASM_DECLARE_FUNCTION_NAME): Define.
1454 (ASM_OUTPUT_EXTERNAL): Define.
1455 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1456 (ASM_OUTPUT_ALIGNED_BSS): Define.
1457 (PCC_BITFIELD_TYPE_MATTERS): Define.
1458 (USE_CONST_SECTION): Define.
1459 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1460 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1461 (SUPPORTS_ONE_ONLY): Remove.
1462 (I386_PE_STRIP_ENCODING): Define.
1463 * config/interix.opt: Delete and move bits to..
1464 * config/i386/interix.opt: ..here. New.
1465 (mpe-aligned-commons): Add.
1466 * config/i386/t-interix: Add copyright header.
1467 (winnt-stubs.o): Add rule.
1469 2012-01-22 Jason Merrill <jason@redhat.com>
1472 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1473 for extra name aliases.
1475 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1477 PR rtl-optimization/51924
1478 * ree.c (combine_set_extension): Improve debugging message.
1479 (combine_reaching_defs): Likewise.
1480 (get_defs): Rename confusingly named variable.
1481 (find_and_remove_re): Skip a candidate if the extension expression has
1484 2012-01-21 Robert Millan <rmh@gnu.org>
1485 Gerald Pfeifer <gerald@pfeifer.com>
1487 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1488 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1490 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1492 PR tree-optimization/51914
1493 * tree-vect-stmts.c (vectorizable_conversion): For
1494 cvt_type && modifier == WIDEN, put temporary with cvt_type
1495 at the beginning of vec_dsts and set vec_dest to temporary
1498 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1500 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1502 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1504 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1505 * config/rs6000/rs6000.c: Likewise.
1507 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1510 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1511 output_move_double on a copy of operands array.
1513 2012-01-20 Cary Coutant <ccoutant@google.com>
1514 Dodji Seketeli <dodji@redhat.com>
1517 * dwarf2out.c (copy_declaration_context): Return ref to parent
1518 of declaration DIE, if necessary.
1519 (remove_child_or_replace_with_skeleton): Add new parameter; update
1520 caller. Place skeleton DIE under parent DIE of original declaration.
1521 Move call to copy_declaration_context to here ...
1522 (break_out_comdat_types): ... from here.
1524 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1526 PR rtl-optimization/51856
1527 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1530 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1533 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1534 hints for neon loads and stores.
1536 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1540 * doc/extend.texi (Named Address Spaces): Split into subsections.
1541 (AVR Named Address Spaces): New subsection.
1542 (M32C Named Address Spaces): New subsection.
1543 (RL78 Named Address Spaces): New subsection.
1544 (SPU Named Address Spaces): New subsection.
1545 (Variable Attributes): New anchor "AVR Variable Attributes".
1546 (AVR Variable Attributes): Rewrite and avoid wording
1547 "address space" in this context.
1548 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1549 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1550 (AVR Built-in Macros): New subsubsection therein.
1551 * doc/md.texi (AVR constraints): Remove "C04", "R".
1553 2012-01-20 Richard Guenther <rguenther@suse.de>
1555 PR tree-optimization/51903
1556 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1557 when removing stmts.
1559 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1562 * config/arm/arm.c (arm_load_pic_register): Use
1563 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1564 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1565 (arm_pic_static_addr): Likewise.
1566 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1567 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1568 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1569 (pic_load_addr_unified): New.
1571 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1574 * function.c (instantiate_virtual_regs_in_insn): Use
1575 delete_insn_and_edges when removing a wrong asm insn.
1577 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1579 PR rtl-optimization/40761
1580 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1581 Add new member loop_num.
1582 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1583 (ira_build): Remove the parameter.
1585 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1586 (ira.c): Do not build CFG loops for one region allocation. Remove
1587 argument from ira_build call.
1589 * ira-build.c (init_loop_tree_node): New function.
1590 (create_loop_tree_nodes): Use it. Separate the case when CFG
1591 loops are not built.
1592 (more_one_region_p): Check current_loops.
1593 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1595 (add_loop_to_tree): Process loop equal to NULL too.
1596 (form_loop_tree): Separate the case when CFG loops are not built.
1597 Use explicitly number for the root.
1598 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1600 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1601 instead of loop->num.
1602 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1603 (mark_all_loops_for_removal): Ditto.
1604 (remove_unnecessary_regions): Separate the case when CFG loops
1606 (ira_build): Remove the parameter. Use explicit number of regions
1607 when CFG loops are not built.
1609 * ira-color.c (print_loop_title): Separate the case for the root node.
1610 Use loop_num instead of loop->num.
1611 (move_spill_restore): Use loop_num instead of loop->num.
1613 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1614 (change_loop): Ditto.
1615 (change_loop): Use loop_num instead of loop->num.
1617 * ira-lives.c (process_bb_node_lives): Ditto.
1619 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1621 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1623 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1626 * tree-mudflap.c (mf_artificial): New function.
1627 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1628 mx_register_decls, mudflap_enqueue_decl): Use it.
1631 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1632 numbers in the insn pattern.
1634 2012-01-19 Michael Matz <matz@suse.de>
1636 PR tree-optimization/46590
1637 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1638 use it in remembering which conflicts we already created.
1639 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1642 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1645 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1646 (merge_and_complain): Same.
1648 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1651 * config/initfini-array.h: Guard content of the header
1652 with #ifdef HAVE_INITFINI_ARRAY.
1653 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1654 Add initfini-array.h to tm_file here.
1655 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1656 * config.gcc: Don't add initfini-array.h to tm_file here.
1657 * configure: Regenerated.
1659 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1661 PR rtl-optimization/51505
1662 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1663 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1664 (df_note_bb_compute): Update the call to df_kill_notes.
1666 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1668 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1670 2012-01-18 Richard Guenther <rguenther@suse.de>
1672 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1673 of conversions to void *.
1675 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1676 Richard Sandiford <rdsandiford@googlemail.com>
1680 * optabs.h (simplify_expand_binop): Declare.
1681 * optabs.c (simplify_expand_binop): Make global.
1682 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1683 endian targets if the source cannot be exactly covered by word
1686 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1689 * hard-reg-set.h (struct hard_reg_set_container): New type.
1690 * target.h (struct hard_reg_set_container): Forward declare.
1691 * target.def (set_up_by_prologue): New target hook.
1692 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1693 * doc/tm.texi: Regenerated.
1694 * function.c (thread_prologue_and_epilogue_insns): Change
1695 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1696 Call targetm.set_up_by_prologue on it.
1697 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1698 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1700 2012-01-17 Nick Clifton <nickc@redhat.com>
1702 * config/rx/rx.c (rx_can_use_simple_return): New function.
1703 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1704 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1706 2012-01-17 Richard Guenther <rguenther@suse.de>
1709 * expr.c (expand_assignment): Take address-space information
1710 from the address operand of MEM_REF and TARGET_MEM_REF.
1711 (expand_expr_real_1): Likewise.
1713 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1715 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1716 reload dump is requested.
1718 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1721 * trans-mem.c (requires_barrier): Call may_be_aliased.
1723 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1725 PR tree-optimization/51877
1726 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1727 call arguments and fndecls compare equal, instead return false if they
1728 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1729 both SSA_NAMEs that are valueized the same, or they satisfy
1732 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1734 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1736 * configure: Regenerate.
1738 2012-01-16 Jan Hubicka <jh@suse.cz>
1742 * convert.c (convert_to_integer): Use fold_convert for
1743 converting an INTEGER_CST to integer type.
1745 2012-01-16 Jason Merrill <jason@redhat.com>
1748 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1750 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1753 * config/s390/s390.c (s390_chunkify_start): Don't skip
1754 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1755 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1756 If insn is followed by NOTE_INSN_VAR_LOCATION or
1757 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1758 Don't use location of note insns.
1760 PR tree-optimization/51865
1761 * tree-inline.c (tree_function_versioning): Call remap_decl
1762 on DECL_RESULT whenever it has VOID_TYPE_P type.
1764 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1766 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1767 for calls to locally-binding MIPS16 functions if only the return
1768 type uses float regs.
1770 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1771 Richard Sandiford <rdsandiford@googlemail.com>
1773 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1774 (SYMBOL_32_HIGH): Likewise.
1775 (mips_output_tls_reloc_directive): Declare.
1776 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1777 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1778 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1779 (mips_lo_relocs, mips_hi_relocs): Make extern.
1780 (mips16_stub_function): Move up file.
1781 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1782 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1783 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1784 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1785 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1786 (mips_get_tp): Add MIPS16 support.
1787 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1788 Generalize DTPREL and TPREL handling.
1789 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1790 Add MIPS16 TLS support.
1791 (mips_output_tls_reloc_directive): New function.
1792 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1793 * config/mips/predicates.md (symbolic_operand_with_high)
1794 (tls_reloc_operand): New predicates.
1795 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1796 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1797 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1798 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1799 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1800 (*tls_get_tp_mips16_call_<mode>): Likewise.
1802 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1804 PR rtl-optimization/51821
1805 * recog.c (peep2_find_free_register): Determine clobbered registers
1808 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1811 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1812 * config/avr/avr.c: Likewise.
1813 * config/avr/avr.h: Likewise.
1815 2012-01-13 Ian Lance Taylor <iant@google.com>
1818 * tree.h (TYPE_QUALS): Add cast to int.
1819 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1821 2012-01-13 Ian Lance Taylor <iant@google.com>
1823 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1824 comparing param_index to VEC_length result.
1826 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1828 * c-decl.c: Do not include tree-mudflap.h
1829 * tree-optimize.c: Likewise.
1830 * Makefile.in: Update dependencies.
1832 2012-01-13 Richard Guenther <rguenther@suse.de>
1835 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1836 variable-sized result always use RSO.
1838 2012-01-12 DJ Delorie <dj@redhat.com>
1840 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1841 pointer type, not just the default pointer type.
1843 2012-01-09 Richard Henderson <rth@redhat.com>
1844 Denis Chertykov <chertykov@gmail.com>
1847 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1848 * config/avr/avr.c (avr_can_eliminate): Simplify.
1849 (avr_initial_elimination_offset): Likewise.
1850 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1851 (expand_epilogue): Likewise.
1852 (avr_legitimize_address): Gut.
1853 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1854 (avr_hard_regno_nregs): New.
1855 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1856 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1857 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1858 add soft frame pointer.
1859 (CALL_USED_REGISTERS): Likewise.
1860 (REG_CLASS_CONTENTS): Likewise.
1861 (REGISTER_NAMES): Likewise.
1862 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1863 (HARD_FRAME_POINTER_REGNUM): New.
1864 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1865 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1866 remove the HARD_FRAME_POINTER self-elimination.
1868 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1871 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1872 DECL_EXTERNAL when checking for initializers of progmem variables.
1874 2012-01-12 Ira Rosen <irar@il.ibm.com>
1876 PR tree-optimization/51799
1877 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1878 that the last operation is a type demotion.
1880 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1882 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1883 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1885 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1888 * combine.c (distribute_notes): If i3 is a noreturn call,
1889 allow old_size to be equal to args_size and make sure the
1890 noreturn call gets REG_ARGS_SIZE note.
1891 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1892 on noreturn calls even when the delta is 0.
1894 2012-01-11 Nathan Sidwell <nathan@acm.org>
1896 * gcov.c (STRING_SIZE): Remove.
1897 (generate_results): Erase annotations for source files with no
1898 coverage information.
1900 (output_lines): Use it.
1902 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1904 * gimple.h (gimplify_body): Remove first argument.
1905 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1906 pointer set here, instead just pass DATA to walk_tree.
1907 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1908 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1909 (unvisit_body): Likewise, but with unmark_visited.
1910 (gimplify_body): Remove BODY_P argument and adjust.
1911 (gimplify_function_tree): Adjust call to gimplify_body.
1912 * omp-low.c (finalize_task_copyfn): Likewise.
1914 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1916 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1917 (build_function_type_skip_args): Delete.
1918 * tree.c (build_function_type_skip_args): Make static and add
1919 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1920 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1921 pass it to build_function_type_skip_args.
1922 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1923 (tree_function_versioning): Likewise.
1924 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1925 build_function_decl_skip_args.
1926 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1927 and pass it to build_function_decl_skip_args/tree_function_versioning.
1928 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1929 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1930 * trans-mem.c (ipa_tm_create_version): Likewise.
1931 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1932 * tree-inline.c (declare_return_variable): Remove always-true test.
1933 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1934 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1935 * ipa-split.c (split_function): Skip the return value for the split
1936 part if it doesn't return.
1938 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1940 PR tree-optimization/49642
1941 * ipa-split.c (forbidden_dominators): New variable.
1942 (check_forbidden_calls): New function.
1943 (dominated_by_forbidden): Likewise.
1944 (consider_split): Check for forbidden dominators.
1945 (execute_split_functions): Initialize and free forbidden
1946 dominators info; call check_forbidden_calls.
1948 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1950 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1952 2012-01-11 Nick Clifton <nickc@redhat.com>
1954 * config/rx/rx.md (return): Define pattern.
1956 2012-01-11 Richard Guenther <rguenther@suse.de>
1958 * doc/extend.texi (malloc attribute): Adjust according to
1961 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1962 Patrick Marlier <patrick.marlier@gmail.com>
1965 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1966 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1967 (ipa_tm_note_irrevocable): Same.
1968 (ipa_tm_scan_irr_block): Same.
1969 (ipa_tm_decrement_clone_counts): Same.
1970 (ipa_tm_scan_irr_function): Same.
1971 (ipa_tm_create_version_alias): Same.
1972 (ipa_tm_create_version): Same.
1973 (ipa_tm_transform_calls_redirect): Same.
1974 (ipa_tm_transform_calls): Same.
1975 (ipa_tm_transform_transaction): Same.
1976 (ipa_tm_execute): Same.
1978 2012-01-10 Richard Guenther <rguenther@suse.de>
1981 * opts.c (common_handle_option): Handle -Werror.
1983 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1985 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1988 2012-01-10 Jason Merrill <jason@redhat.com>
1990 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1993 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1995 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1996 supports R_386_TLS_GD_PLT reloc.
1997 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1998 supports R_386_TLS_LDM_PLT reloc.
1999 * configure: Regenerate.
2000 * config.in: Regenerate.
2002 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
2005 Extend __pgmx semantics to linearize memory.
2006 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2007 determine if code comes inline or from libgcc.
2008 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2009 (movmem_qi, movmem_qi): Set constraint #2 to "n".
2010 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2011 (movmemx_qi, movmemx_hi): New insns.
2012 (xload_<mode>_libgcc): Rewrite to new insn condition.
2013 (xload_<mode>): Remove insns.
2014 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2015 cases that don't satisfy avr_xload_libgcc_p().
2016 (avr_addr_space_convert): Allow converting in any direction.
2017 (avr_addr_space_subset_p): Return always true.
2018 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2019 (avr_emit_movmemhi): Ditto.
2020 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2021 (avr_out_movmem): Ditto.
2022 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2023 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2024 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2025 (avr_encode_section_info): Encode 'progmem' in symbol flags.
2026 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2028 2012-01-10 Richard Guenther <rguenther@suse.de>
2030 PR tree-optimization/50913
2031 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2032 Require data-refs to be representable by Graphite with respect
2035 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
2037 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2038 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2040 2012-01-10 Tom de Vries <tom@codesourcery.com>
2042 PR rtl-optimization/51271
2043 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2044 handling annulled branch.
2046 2012-01-10 Richard Henderson <rth@redhat.com>
2048 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2049 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2050 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2051 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2052 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2053 arm_expand_vec_perm_const): New.
2054 * config/arm/arm-protos.h: Update.
2055 * config/arm/neon.md (UNSPEC_VCONCAT): New.
2056 (*neon_vswp<VDQX>): New.
2057 (neon_vcombine<VDX>): Use neon_split_vcombine.
2058 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2059 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2060 (vec_perm<VE>): New.
2062 2012-01-10 Richard Henderson <rth@redhat.com>
2064 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2065 use it if reload_completed.
2066 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2067 arm_output_asm_insn, arm_process_output_memory_barrier,
2068 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2069 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2070 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2071 arm_process_output_sync_insn, arm_output_sync_insn,
2072 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2073 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2074 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2075 (emit_unlikely_jump): New.
2076 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2077 (arm_split_atomic_op): New.
2078 * config/arm/arm-protos.h: Update.
2079 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2080 (struct arm_sync_generator): Remove.
2081 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2082 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2083 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2084 (VUNSPEC_LL, VUNSPEC_SC): New.
2085 (sync_result, sync_memory, sync_required_value, sync_new_value,
2086 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2087 (attr length): Don't use arm_sync_loop_insns.
2088 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2089 (movsfcc, movdfcc): Likewise.
2090 * config/arm/constraints.md (Ua): New.
2091 * config/arm/prediates.md (mem_noofs_operand): New.
2092 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2093 (sync_clobber, sync_t2_reqd): Remove.
2094 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2095 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2096 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2097 (arm_sync_compare_and_swap<SIDI>): Remove.
2098 (arm_sync_compare_and_swap<NARROW>): Remove.
2099 (arm_sync_lock_test_and_set<SIDI>): Remove.
2100 (arm_sync_lock_test_and_set<NARROW>): Remove.
2101 (arm_sync_new_<syncop><SIDI>): Remove.
2102 (arm_sync_new_<syncop><NARROW>): Remove.
2103 (arm_sync_new_nand<SIDI>): Remove.
2104 (arm_sync_new_nand<NARROW>): Remove.
2105 (arm_sync_old_<syncop><SIDI>): Remove.
2106 (arm_sync_old_<syncop><NARROW>): Remove.
2107 (arm_sync_old_nand<SIDI>): Remove.
2108 (arm_sync_old_nand<NARROW>): Remove.
2109 (*memory_barrier): Merge arm_output_memory_barrier.
2110 (atomic_compare_and_swap<QHSD>): New.
2111 (atomic_compare_and_swap<NARROW>_1): New.
2112 (atomic_compare_and_swap<SIDI>_1): New.
2113 (atomic_exchange<QHSD>): New.
2114 (cas_cmp_operand, cas_cmp_str): New.
2115 (atomic_op_operand, atomic_op_str): New.
2116 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2117 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2118 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2119 (arm_load_exclusive<NARROW>): New.
2120 (arm_load_exclusivesi, arm_load_exclusivedi): New.
2121 (arm_store_exclusive<QHSD>): New.
2123 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2125 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2126 reload patterns if -mvsx-scalar-memory.
2128 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2129 generated, even -mno-vsx-scalar-double was used.
2130 (vsx_xscvdpsp_scalar): Likewise.
2131 (vsx_xscvspdp_scalar2): Likewise.
2133 2012-01-09 Tom de Vries <tom@codesourcery.com>
2134 Andrew Pinski <apinski@cavium.com>
2137 * reorg.c (fill_slots_from_thread): Don't speculate
2138 frame-related insns.
2140 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
2142 * sched-int.h (bb_note): Move to...
2143 * basic-block.h: ...here.
2144 * haifa-sched.c (bb_note): Move to...
2145 * cfgrtl.c: ...here.
2146 * function.c (next_block_for_reg): New function.
2147 (move_insn_for_shrink_wrap): Likewise.
2148 (prepare_shrink_wrap): Rewrite to use the above.
2150 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
2152 * gimple.c (is_gimple_non_addressable): Remove.
2153 * gimple.h: Remove is_gimple_non_addressable.
2154 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2155 is_gimple_non_addressable.
2156 * trans-mem.c (expand_assign_tm): Same.
2158 2012-01-09 Richard Guenther <rguenther@suse.de>
2160 PR tree-optimization/51775
2161 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2162 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2164 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2166 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2168 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2170 2012-01-09 Richard Guenther <rguenther@suse.de>
2172 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2174 2012-01-08 Jan Hubicka <jh@suse.cz>
2176 PR tree-optimize/51680
2177 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2178 on when known_vals needs to be computed; cleanup.
2180 2012-01-08 Jan Hubicka <jh@suse.cz>
2182 PR tree-optimize/51694
2183 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2185 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
2187 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2188 for -std=c++98 and -std=c++11 too.
2190 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
2192 * cfgloop.c (cancel_loop): Add free() of bbs array.
2194 2012-01-07 Jan Hubicka <jh@suse.cz>
2196 PR tree-optimization/51600
2197 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2198 that benefits small functions.
2200 2012-01-07 Jan Hubicka <jh@suse.cz>
2202 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2204 2012-01-07 Jan Hubicka <jh@suse.cz>
2206 PR tree-optimization/51680
2207 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2208 whose inlining reduce unit size.
2210 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2213 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2214 Add canonical node to containing_mem chain after the non-canonical
2215 one, even if there weren't any locs to propagate.
2216 (remove_useless_values): Keep only canonical values.
2217 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2218 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2219 canonicalize mem_chain elements that are not discarded.
2221 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2224 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2225 before emitting functions.
2227 PR gcov-profile/50127
2228 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2229 clear_aux_for_blocks.
2231 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
2234 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2236 2012-01-06 Arnaud Charlet <charlet@adacore.com>
2238 * c-decl.c (ext_block): Moved up.
2239 (collect_all_refs, for_each_global_decl): Take ext_block into account.
2241 2012-01-06 Han Shen <shenhan@google.com>
2243 Translate built-in include paths for sysroot.
2244 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2245 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2247 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2248 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2250 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2251 control whether sysroot should be prepended to gxx include dir.
2253 * configure: Regenerate.
2255 2012-01-06 Torvald Riegel <triegel@redhat.com>
2257 PR rtl-optimization/51771
2258 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2259 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2261 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2263 PR tree-optimization/51315
2264 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2265 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2267 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
2270 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2271 for shrp pattern. Correctly handle and fixup shift variable.
2272 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2274 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2277 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2278 note when !ACCUMULATE_OUTGOING_ARGS.
2280 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2282 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2284 (extract_range_from_unary_expr_1): Avoid useless computations.
2286 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2288 PR rtl-optimization/51767
2289 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2290 of jump_block and add an extra edge for degenerated asm gotos.
2293 * stmt.c (check_unique_operand_names): Don't ICE during error
2294 reporting if i is from labels chain.
2297 * profile.c (branch_prob): Split bbs that have exit edge
2298 and need a fake entry edge too.
2300 2012-01-05 Jan Hubicka <jh@suse.cz>
2303 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2306 2012-01-05 Richard Guenther <rguenther@suse.de>
2309 * tree-streamer-out.c (write_ts_optimization): New function.
2310 (streamer_write_tree_body): Call it.
2311 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2312 (streamer_read_tree_body): Call it.
2313 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2315 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2318 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2319 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2320 in_cleanup_point_expr before gimplify_stmt call and restore it
2322 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2323 in_cleanup_point_expr is false.
2325 2012-01-05 Richard Guenther <rguenther@suse.de>
2328 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2330 * toplev.c (process_options): Reject combining mudflap and LTO.
2331 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2333 2012-01-05 Richard Guenther <rguenther@suse.de>
2335 PR tree-optimization/51760
2336 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2338 (bit_value_unop): Handle UNDEFINED operands.
2339 (bit_value_binop): Likewise.
2341 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2343 * config/avr/avr.c (avr_replace_prefix): Remove.
2344 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2345 (avr_asm_function_rodata_section): Ditto.
2346 (avr_asm_select_section): Ditto.
2348 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2350 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2353 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2356 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2357 calls that have any non-fake successor edges.
2360 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2362 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2364 PR tree-optimization/51624
2365 * tree-sra.c (build_ref_for_model): When replicating a chain of
2366 COMPONENT_REFs, stop as soon as the offset would become negative.
2368 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2371 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2372 in .debug_loc on the floor.
2374 2012-01-04 Andrew Pinski <apinski@cavium.com>
2376 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2378 2012-01-04 Andrew Pinski <apinski@cavium.com>
2379 Adam Nemet <anemet@caviumnetworks.com>
2381 * config/mips/mips.md (size): Add SI and DI.
2382 (SIZE): New mode attribute.
2383 (U): New code attribute.
2384 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2385 (mips_lbux_<mode>): Delete.
2386 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2387 (mips_lhx): Use gen_mips_lhx_extsi.
2388 (mips_lhx_<mode>): Delete.
2390 (mips_l<size>x): New expand.
2391 (mips_lwx_<mode>): Delete.
2392 (mips_l<GPR:size>x_<P:mode>): New pattern.
2393 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2394 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2395 * config/mips/mips.c (mips_lx_address_p): New function.
2396 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2397 (dsp64): New availability predicate.
2398 (mips_builtins): Add an entry for __builtin_mips_ldx.
2399 * config/mips/mips.h (ISA_HAS_LBX): New define.
2400 (ISA_HAS_LBUX): Likewise.
2401 (ISA_HAS_LHX): Likewise.
2402 (ISA_HAS_LHUX): Likewise.
2403 (ISA_HAS_LWX): Likewise.
2404 (ISA_HAS_LWUX): Likewise.
2405 (ISA_HAS_LDX): Likewise.
2406 * doc/extend.texi (__builtin_mips_ldx): Document.
2408 2012-01-04 Tristan Gingold <gingold@adacore.com>
2410 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2411 when long pointers are used.
2412 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2413 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2414 (ia64-hp-*vms*): Remove.
2415 * config/vms/xm-vms64.h: Delete.
2417 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2420 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2422 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2424 * opts.c (finish_options): Remove duplicate sorry.
2426 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2429 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2432 2012-01-04 Richard Guenther <rguenther@suse.de>
2435 * tree.c (size_low_cst): New function.
2436 * tree.h (size_low_cst): Declare.
2437 * fold-const.c (fold_comparison): Use it to extract the low
2438 part of the POINTER_PLUS_EXPR offset.
2440 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2442 Fix clearing ZERO_REG
2443 * config/avr/avr.md (cc): Add alternative "ldi".
2444 (movqi_insn): Use it in cc attribute.
2445 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2446 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2447 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2449 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2451 * configure: Regenerate.
2453 2012-01-04 Richard Guenther <rguenther@suse.de>
2455 PR tree-optimization/49651
2456 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2457 (var_can_have_subvars): Use it.
2458 (get_constraint_for_1): Only consider subfields if there can be any.
2460 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2463 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2464 to its new canonical_cselib_val and the cselib_val was in
2465 first_containing_mem chain, but the canonical_cselib_val was not,
2466 add the latter into the chain.
2467 (cselib_invalidate_mem): Compare canonical_cselib_val of
2468 addr_list chain elt with v.
2471 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2472 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2474 (output_macinfo_op): Don't ggc_strdup fd->filename.
2475 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2476 then ggc_strdup it. Don't free inc->info or cur->info.
2477 (output_macinfo): Don't free ref->info or file->info.
2479 2012-01-03 Ira Rosen <irar@il.ibm.com>
2481 PR tree-optimization/51269
2482 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2483 first_niters a pointer.
2484 (slpeel_tree_peel_loop_to_edge): Likewise.
2485 (vect_do_peeling_for_loop_bound): Update call to
2486 slpeel_tree_peel_loop_to_edge.
2487 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2488 here. Remove it from the parameters list.
2489 (vect_do_peeling_for_alignment): Update calls and compute
2492 2012-01-03 Richard Guenther <rguenther@suse.de>
2494 PR tree-optimization/51070
2495 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2496 Properly handle calls.
2498 2012-01-03 Richard Guenther <rguenther@suse.de>
2500 PR tree-optimization/51692
2501 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2502 the LHS of allocation stmts.
2504 2012-01-03 Olivier Hainque <hainque@adacore.com>
2506 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2508 2012-01-03 Olivier Hainque <hainque@adacore.com>
2510 * collect2.c (main): In AIX specific computations for vector
2511 insertions, use CONST_CAST2 to cast from char ** to const char **.
2513 2012-01-03 Richard Guenther <rguenther@suse.de>
2516 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2517 the context of a limbo DIE when it does not already exist.
2519 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2521 PR tree-optimization/51719
2522 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2523 but direct call is, clear direct call's lhs and don't add fallthrough
2524 edge from dcall_bb to join_bb and PHIs.
2526 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2528 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2529 the instructions emitted by the pattern.
2530 ("*TDC_insn_<mode>"): Add comment.
2532 2012-01-03 Richard Guenther <rguenther@suse.de>
2535 * fold-const.c (fold_comparison): Properly canonicalize
2536 tree offset and HOST_WIDE_INT bit position.
2538 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2540 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2541 operands for extzv pattern.
2543 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2546 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2549 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2551 * doc/invoke.texi (-flto and related options): Copy-edit.
2553 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2555 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2557 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2559 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2562 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2564 * expr.h (move_by_pieces_ninsns): Declare.
2565 * expr.c (move_by_pieces_ninsns): Make external.
2566 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2567 (mips_store_by_pieces_p): Likewise.
2568 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2569 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2570 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2571 (mips_store_by_pieces_p): Likewise.
2573 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2575 * passes.c (register_one_dump_file): Free full_name.
2577 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2578 (calculate_elim_costs_all_insns): Free offsets_at and
2579 offsets_known_at at the end and clear the pointers.
2581 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2583 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2584 this option introduced in r180739.
2586 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2589 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2590 (tmake_file target=avr): Add avr/t-multilib.
2592 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2593 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2594 * config/avr/genmultilib.awk: New file.
2595 * config/avr/t-multilib: New auto-generated file.
2596 * config/avr/multilib.h: New auto-generated file.
2597 * config/avr/t-avr (AVR_MCUS): New variable.
2598 (genopt.sh): Use it.
2599 (s-mlib): Depend on t-multilib.
2600 (t-multilib, multilib.h): New dependencies.
2601 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2602 (MULTILIB_OPTIONS): Remove.
2603 (MULTILIB_MATCHES): Remove.
2604 (MULTILIB_DIRNAMES): Remove.
2605 (MULTILIB_EXCEPTIONS): Remove:
2606 * config/avr/genopt.sh: Don't use hard coded file name;
2607 pass AVR_MCUS from t-avr instead.
2609 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2611 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2613 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2615 Implement light-weight DImode support.
2616 * config/avr/avr-dimode.md: New file.
2617 * config/avr/avr.md: Include it.
2618 (adjust_len): Add plus64, compare64.
2619 (HIDI): Remove code iterator.
2620 (code_stdname): New code attribute.
2621 (rotx, rotsmode): Remove DI.
2622 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2624 * config/avr/avr-protos.h (avr_have_dimode): New.
2625 (avr_out_plus64, avr_out_compare64): New.
2626 * config/avr/avr.c (avr_out_compare): Handle DImode.
2627 (avr_have_dimode): New variable definition and initialization.
2628 (avr_out_compare64, avr_out_plus64): New functions.
2629 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2630 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2631 (avr_compare_pattern): Skip DImode comparisons.
2633 2012-01-02 Revital Eres <revital.eres@linaro.org>
2635 * ddg.c (def_has_ccmode_p): New function.
2636 (add_cross_iteration_register_deps,
2637 create_ddg_dep_from_intra_loop_link): Call it.
2639 2012-01-02 Richard Guenther <rguenther@suse.de>
2642 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2644 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2646 * gcc.c (process_command): Update copyright notice dates.
2647 * gcov.c (print_version): Likewise.
2648 * gcov-dump.c (print_version): Likewise.
2649 * mips-tfile.c (main): Likewise.
2650 * mips-tdump.c (main): Likewise.
2652 2012-01-01 Ira Rosen <irar@il.ibm.com>
2654 PR tree-optimization/51704
2655 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2656 a use is inside the basic block or loop before accessing its vect info.
2658 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2660 PR rtl-optimization/51069
2661 * cfgloopmanip.c (remove_path): Removing path making irreducible
2662 region unconditional makes BB part of the region.
2664 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2666 PR tree-optimization/51683
2667 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2668 calls with side-effects.
2669 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2671 Copyright (C) 2012 Free Software Foundation, Inc.
2673 Copying and distribution of this file, with or without modification,
2674 are permitted in any medium without royalty provided the copyright
2675 notice and this notice are preserved.