1 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
3 * doc/invoke.texi: Minor copy-edits to bring into conformance with
4 GCC coding conventions.
6 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
8 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
9 when used as adjectives.
11 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
13 * doc/invoke.texi: Clean up "that"/"which" confusion.
15 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
17 * system.h: Poison SMALL_REGISTER_CLASSES
18 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
19 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
21 2012-02-16 Jakub Jelinek <jakub@redhat.com>
23 PR tree-optimization/52285
24 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
25 when deciding if a call is a tail call or tail recursion.
27 2012-02-16 Kai Tietz <ktietz@redhat.com>
29 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
30 interger-constant displacement for UNSPEC_PCREL.
32 2012-02-16 Jakub Jelinek <jakub@redhat.com>
34 PR rtl-optimization/52208
35 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
36 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
38 PR tree-optimization/52255
39 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
40 loop->header has virtual PHI, but exit_e->dest doesn't, add
41 virtual PHI to exit_e->dest and adjust all uses after the loop.
44 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
45 children with clone_tree_hash, not after it.
47 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
49 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
52 2012-02-16 Jakub Jelinek <jakub@redhat.com>
55 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
56 a same_body_alias, also test whether e->callee isn't a former
57 or current clone of the decl this is a same body alias of.
60 * cgraphunit.c (verify_cgraph_node): Fix a typo.
62 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
64 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
66 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
69 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
70 force_reg instead of copy_to_reg for better optimization. Force
71 non-register or memory operands into a register.
73 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
75 * extend.texi: Reserve upper bits of memory model for future use.
77 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
78 Anatoly Sokolov <aesok@post.ru>
79 Eric Weddington <eric.weddington@atmel.com>
82 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
83 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
84 Rewrite initializers for .macro.
85 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
86 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
87 atxmega32d4, atxmega32x1.
88 avrxmega4: atxmega64a3, atxmega64d3.
89 avrxmega5: atxmega64a1, atxmega64a1u.
90 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
91 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
92 avrxmega7: atxmega128a1, atxmega128a1u.
93 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
94 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
95 (struct base_arch_s): Rename reserved to xmega_p.
96 Rename reserved2 to have_rampd.
97 (AVR_XMEGA): New define.
98 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
99 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
100 * config/avr/predicates.md (io_address_operand): Take into
102 (low_io_address_operand): Ditto.
103 (high_io_address_operand): Ditto.
104 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
105 (enabled, movhi_sp_r): Use them.
106 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
107 cpp_define_formatted to built-in define __AVR_ARCH__.
108 (__AVR_XMEGA__): New built-in define.
109 (__AVR_HAVE_RAMPD__): New built-in define.
110 (__AVR_HAVE_RAMPX__): New built-in define.
111 (__AVR_HAVE_RAMPY__): New built-in define.
112 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
114 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
115 (avr_option_override): Initialize them.
116 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
117 (avr_init_expanders): Initialize them. No more block several calls.
118 (emit_push_sfr): New static function.
119 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
121 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
122 (avr_print_operand): Print addreeses as symbols for
123 RAMPX, RAMPY, RAMPD, CCP.
124 (output_movhi): Handle AVR_XMEGA when writing to SP.
125 (avr_out_movhi_mr_r_xmega): New static function.
126 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
127 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
128 __RAMPD__, __CCP__ as needed.
130 * config/avr/multilib.h: Regenerate.
131 * config/avr/t-multilib: Regenerate.
132 * config/avr/avr-tables.opt: Regenerate.
134 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
136 PR tree-optimization/50561
137 * graphite-flattening.c (lst_project_loop): Do not
138 remove old scattering dimensions after flattening.
139 (lst_do_flatten): Likewise.
141 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
143 * doc/extend.texi (AVR Built-in Functions): Remove doc for
144 __builtin_avr_map8, __builtin_avr_map16.
145 Document __builtin_avr_insert_bits.
147 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
148 (insert_bits): New insn.
149 (adjust_len.map_bits): Rename to insert_bits.
150 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
151 * avr-protos.h (avr_out_map_bits): Remove.
152 (avr_out_insert_bits, avr_has_nibble_0xf): New.
153 * config/avr/constraints.md (Cxf,C0f): New.
154 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
155 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
156 New built-in define __BUILTIN_AVR_INSERT_BITS.
157 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
158 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
159 (avr_move_bits): Rewrite.
160 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
162 (avr_map_op_t): New typedef.
163 (avr_map_op): New static variable.
164 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
165 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
166 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
167 (bdesc_3arg, avr_expand_triop_builtin): New.
168 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
169 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
170 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
171 (avr_map_equal_p, avr_map_sig_p): Remove.
172 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
173 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
174 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
175 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
176 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
177 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
179 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
181 * config/c6x/c6x.md (reserve_cycles): New attribute.
182 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
183 don't reserve functional units after the branch occurs.
185 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
188 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
189 functions into non-tm_pure functions.
191 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
194 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
195 (iterative_hash_canonical_type): Likewise.
196 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
199 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
201 * haifa-sched.c (prune_ready_list): Ensure that if there is a
202 sched-group insn, it either remains alone or the entire list is
205 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
207 * doc/install.texi (Prerequisites): Fix grammar.
208 (Configuration): Likewise.
210 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
212 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
213 MPC as part of GCC before describing configuring with --with-gmp etc.
214 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
217 2012-02-14 Jakub Jelinek <jakub@redhat.com>
220 * dwarf2out.c (clone_tree_hash): New function.
221 (copy_decls_walk): Use it instead of clone_tree.
223 2012-02-14 Richard Guenther <rguenther@suse.de>
225 PR tree-optimization/52244
226 PR tree-optimization/51528
227 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
228 replacements for integral types.
230 2012-02-14 Walter Lee <walt@tilera.com>
232 * config.gcc: Handle tilegx and tilepro.
233 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
235 Add HAVE_AS_TLS check for tilegx and tilepro.
236 * configure: Regenerate.
237 * doc/contrib.texi: Add Mat Hostetter and self.
238 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
239 Document instruction intrinsics and network accessing intrinsics.
240 (TILEPro Built-in Functions): New node. Document instruction
241 intrinsics and network accessing intrinsics.
242 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
243 (Specific, tilepro-*-linux*): Likewise.
244 * doc/invoke.texi (TILE-Gx Options): New section.
245 (TILEPro Options): New section.
246 * doc/md.texi (TILE-Gx): New section.
247 (TILEPro): New section.
248 * common/config/tilegx/tilegx-common.c: New file.
249 * common/config/tilepro/tilepro-common.c: New file.
250 * config/tilegx/constraints.md: New file.
251 * config/tilegx/linux.h: New file.
252 * config/tilegx/mul-tables.c: New file.
253 * config/tilegx/predicates.md: New file.
254 * config/tilegx/sync.md: New file.
255 * config/tilegx/t-tilegx: New file.
256 * config/tilegx/tilegx-builtins.h: New file.
257 * config/tilegx/tilegx-c.c: New file.
258 * config/tilegx/tilegx-generic.md: New file.
259 * config/tilegx/tilegx-modes.def: New file.
260 * config/tilegx/tilegx-multiply.h: New file.
261 * config/tilegx/tilegx-protos.h: New file.
262 * config/tilegx/tilegx.c: New file.
263 * config/tilegx/tilegx.h: New file.
264 * config/tilegx/tilegx.md: New file.
265 * config/tilegx/tilegx.opt: New file.
266 * config/tilepro/constraints.md: New file.
267 * config/tilepro/gen-mul-tables.cc: New file.
268 * config/tilepro/linux.h: New file.
269 * config/tilepro/mul-tables.c: New file.
270 * config/tilepro/predicates.md: New file.
271 * config/tilepro/t-tilepro: New file.
272 * config/tilepro/tilepro-builtins.h: New file.
273 * config/tilepro/tilepro-c.c: New file.
274 * config/tilepro/tilepro-generic.md: New file.
275 * config/tilepro/tilepro-modes.def: New file.
276 * config/tilepro/tilepro-multiply.h: New file.
277 * config/tilepro/tilepro-protos.h: New file.
278 * config/tilepro/tilepro.c: New file.
279 * config/tilepro/tilepro.h: New file.
280 * config/tilepro/tilepro.md: New file.
281 * config/tilepro/tilepro.opt: New file.
283 2012-02-14 Jakub Jelinek <jakub@redhat.com>
285 PR tree-optimization/52210
286 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
287 vect_model_simple_cost with two entry vect_def_type array instead
290 2012-02-14 Richard Guenther <rguenther@suse.de>
293 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
294 Do not stream DECL_QUALIFIER.
295 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
296 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
297 (find_decls_types_r): Do not walk DECL_QUALIFIER.
299 2012-02-14 Jakub Jelinek <jakub@redhat.com>
302 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
305 2012-02-13 Jakub Jelinek <jakub@redhat.com>
308 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
309 * cselib.c (cselib_subst_to_values_from_insn): New function.
310 * sched-deps.c (add_insn_mem_dependence,
311 sched_analyze_1, sched_analyze_2): Use it.
313 2012-02-13 Jan Hubicka <jh@suse.cz>
316 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
318 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
320 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
321 (GTM_SELF_SPECS): Define if not already defined.
322 (driver_self_specs): Add GTM_SELF_SPECS.
323 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
324 (GTM_SELF_SPECS): Define.
325 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
326 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
328 2012-02-13 Jakub Jelinek <jakub@redhat.com>
330 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
333 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is
337 * omp-low.c (expand_omp_for): If a static schedule without
338 chunk size has NULL region->cont, force fd.chunk_size to be
341 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
344 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
346 2012-02-13 Richard Guenther <rguenther@suse.de>
349 * passes.c (enable_disable_pass): Fix typo.
351 2012-02-13 Jakub Jelinek <jakub@redhat.com>
354 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
355 XOR for reduce_bit_field if type is unsigned.
357 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
359 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
360 disallow changes from SFmode to mode with different size in FP regs.
362 2012-02-12 Robert Millan <rmh@gnu.org>
363 Gerald Pfeifer <gerald@pfeifer.com>
365 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
368 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
370 PR rtl-optimization/52175
371 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
372 to frame-related instructions.
374 2012-02-10 Jason Merrill <jason@redhat.com>
377 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
378 (demangle_new_symbols): Fill it.
379 (scan_linker_output): Walk it.
380 (start_tweaking): Split out from scan_linker_output.
381 (maybe_tweak): Update sym->chosen.
382 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
384 2012-02-11 Jakub Jelinek <jakub@redhat.com>
387 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
390 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
392 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
393 having the same mode as previous compare.
395 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
397 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
398 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
399 (nonlocal_goto_internal): Likewise.
400 (nonlocal_goto): Emit a use and an indirect jump directly.
402 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
405 * doc/extend.texi : Update comments for __atomic_compare_exchange and
406 __atomic_{is,always}_lock_free.
408 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
411 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
412 negative constant address for x32.
414 2012-02-10 Richard Henderson <rth@redhat.com>
416 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
417 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
418 for GIMPLE_TRANSACTION. Tidy if's into a switch.
420 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
421 Ira Rosen <irar@il.ibm.com>
423 PR tree-optimization/50031
424 * targhooks.c (default_builtin_vectorization_cost): Handle
426 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
427 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
428 all types of reduction and pattern statements.
429 (vect_estimate_min_profitable_iters): Likewise.
430 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
431 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
432 for explicit realigns.
433 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
434 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
436 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
437 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
438 vec_perm for VSX and handle vec_promote_demote.
440 2012-02-10 Jakub Jelinek <jakub@redhat.com>
443 * builtins.c (fold_builtin_atomic_always_lock_free,
444 expand_builtin_atomic_always_lock_free,
445 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
446 Return and/or test boolean_true_node/boolean_false_node instead of
447 integer_one_node/integer_zero_node.
449 2012-02-10 Jan Hubicka <jh@suse.cz>
452 * predict.c (predict_paths_for_bb): Prevent looping.
453 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
455 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
457 * config/arm/arm.c (output_move_double): In one case properly
458 count number of instructions that will be emitted.
460 2012-02-10 Richard Guenther <rguenther@suse.de>
463 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
465 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
468 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
470 2012-02-09 Jakub Jelinek <jakub@redhat.com>
473 * var-tracking.c (emit_note_insn_var_location): If
474 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
475 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
476 non-NOTE_DURING_CALL_P insn.
478 2012-02-09 Bin Cheng <bin.cheng@arm.com>
481 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
483 2012-02-08 Magnus Granberg <zorry@gentoo.org>
486 * gcc.c (switch_matches) Support switches with separated form,
489 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
491 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
494 * config/avr/avr.c (avr_addr_t): New typedef.
495 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
496 (avr_init_expanders): Initialize it.
497 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
499 (expand_epilogue): Ditto.
500 (avr_print_operand): Ditto.
501 (avr_file_start): Ditto.
502 (avr_emit_movmemhi): Ditto.
504 2012-02-08 Richard Guenther <rguenther@suse.de>
506 PR tree-optimization/46886
507 * tree-flow.h (do_while_loop_p): Declare.
508 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
509 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
511 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
513 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
514 always succeed for integers larger than a native word.
516 2012-02-08 Richard Guenther <rguenther@suse.de>
518 PR rtl-optimization/52170
519 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
520 properly handle integer vector modes.
522 2012-02-08 Jakub Jelinek <jakub@redhat.com>
524 PR gcov-profile/52150
525 * coverage.c: Include target.h.
526 (build_var): Call targetm.strip_name_encoding on the assembler name.
527 Change one _ into . or $ if the target allows it.
528 * Makefile.in (coverage.o): Depend on $(TARGET_H).
530 PR rtl-optimization/52139
531 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
532 is a BARRIER after emit_insn_after_noloc, move BB_END
533 to the last non-BARRIER insn before it.
535 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
538 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
539 (mips_gimplify_va_arg_expr): Call it instead of
540 std_gimplify_va_arg_expr.
542 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
544 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
545 message for -mno-pointers-to-nested-function.
547 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
550 * expr.c (get_inner_reference): If there is an offset, add a negative
551 bit position to it (if any).
553 2012-02-07 Jakub Jelinek <jakub@redhat.com>
555 PR rtl-optimization/52060
556 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
557 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
558 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
559 and/or i0src_copy2 when needed.
561 2012-02-07 Jakub Jelinek <jakub@redhat.com>
563 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
564 or LTOPLUGINSONAME if have_c.
566 * config/freebsd-spec.h: Add comment about what macros can be defined
568 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
569 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
572 2012-02-07 Richard Guenther <rguenther@suse.de>
574 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
575 newline in -alias dumps.
577 2012-02-07 Kai Tietz <ktietz@redhat.com>
578 Dave Korn <dave.korn.cygwin@gmail.com>
581 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
582 Take care that typinfo gets dllexport-attribute.
584 2012-02-07 Jakub Jelinek <jakub@redhat.com>
587 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
588 if modifier < EXPAND_SUM call force_operand on the result.
590 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
592 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
593 adding __forwarder_dst__ prefix if a forwarder_section attribute is
595 (epiphany_function_type): Replace types for specific interrupts with
596 EPIPHANY_FUNCTION_INTERRUPT.
597 (EPIPHANY_INTERRUPT_P): Update.
598 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
600 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
601 <disinterrupt>: Affects type identity.
602 (epiphany_handle_interrupt_attribute): Handle variable number of
604 (epiphany_compute_function_type): Update for new
605 epiphany_function_type definition.
606 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
607 handlers with a longcall forwarder.
608 (epiphany_start_function): Handle multiple interrupt arguments and/or
609 forwarder_section attribute.
611 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
614 2012-02-07 Alan Modra <amodra@gmail.com>
617 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
620 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
622 PR tree-optimization/50969
623 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
624 use vec_perm rather than vector_stmt.
625 (vect_model_load_cost): Likewise.
626 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
627 vec_perm to be the same as other vector statements.
628 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
629 cost of vec_perm for TARGET_VSX.
631 2012-02-06 Richard Guenther <rguenther@suse.de>
633 PR tree-optimization/52115
634 * tree-sra.c (access_has_replacements_p): New function.
635 (sra_modify_assign): Use it to decide whether a use is uninitialized.
637 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
640 * trans-mem.c (expand_call_tm): Add an assertion.
641 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
644 2012-02-06 Richard Guenther <rguenther@suse.de>
646 PR tree-optimization/50955
647 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
648 raise cost of expressions that replace an address with an
649 expression based on a different pointer.
651 2012-02-06 Jakub Jelinek <jakub@redhat.com>
654 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
655 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
657 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
660 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
661 -Weffc++ and specify guidelines come from second edition.
663 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
665 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
666 (sibcall_value_multiple_internal, call_split, call_internal_direct)
667 (call_direct_split, call_value_split, call_value_internal_direct)
668 (call_value_direct_split, call_value_multiple_split): Use jal and
669 jal_macro attributes.
671 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
673 * reload1.c (reload_regs_reach_end_p): Replace with...
674 (reload_reg_rtx_reaches_end_p): ...this function.
675 (new_spill_reg_store): Update commentary.
676 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
677 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
678 before setting new_spill_reg_store.
679 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
680 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
681 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
682 for non-spill reload registers.
684 2012-02-05 Ira Rosen <irar@il.ibm.com>
686 PR tree-optimization/52091
687 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
688 (vect_is_simple_use_1): Likewise.
689 * tree-vect-loop.c (vectorizable_reduction): Update calls
690 to vect_is_simple_use_1 and vect_is_simple_use.
691 (vectorizable_live_operation): Likewise.
692 * tree-vect-patterns.c (widened_name_p,
693 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
694 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
695 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
696 vectorizable_shift,vectorizable_operation, vectorizable_store,
697 vectorizable_load): Likewise.
698 (vect_is_simple_cond): Add an argument, pass it to
699 vect_is_simple_use_1.
700 (vectorizable_condition): Update calls to vect_is_simple_cond,
702 (vect_is_simple_use): Add an argument, the statement in which
703 OPERAND is used. Check that if OPERAND's def stmt is a double
704 reduction phi node, the use is a phi node too.
705 (vect_is_simple_use_1): Add an argument, pass it to
707 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
708 to vect_is_simple_use.
710 2012-02-04 Jakub Jelinek <jakub@redhat.com>
712 PR rtl-optimization/52095
713 * modulo-sched.c (dump_insn_locator): New function.
714 (loop_canon_p, sms_schedule): Use it.
716 PR rtl-optimization/52113
717 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
718 even for decomposable shift/zext insns.
720 2012-02-03 Jakub Jelinek <jakub@redhat.com>
721 Zdenek Dvorak <ook@ucw.cz>
723 PR rtl-optimization/52092
724 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
725 on get_iv_value result.
727 2012-02-02 Andrew Pinski <apinski@cavium.com>
731 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
733 2012-02-02 Jakub Jelinek <jakub@redhat.com>
736 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
738 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
740 PR rtl-optimization/49800
741 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
742 (sched_finish): Call regstat_free_n_sets_and_refs.
744 2012-02-02 Jia Liu <proljc@gmail.com>
746 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
749 2012-02-02 Jan Hubicka <jh@suse.cz>
750 Tom de Vries <tom@codesourcery.com>
753 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
754 * varpool.c (varpool_analyze_pending_decls): Likewise.
756 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
757 Jayant R Sonar <jayant.sonar@kpitcummins.com>
759 * config.gcc: Add cr16-* support.
761 * doc/extend.texi: Document cr16 extensions.
762 * doc/install.texi: Document cr16 install.
763 * doc/invoke.texi: Document cr16 options.
764 * doc/md.texi: Document cr16 constraints.
766 * common/config/cr16/cr16-common.c: New file.
767 * config/cr16/cr16.c: New file.
768 * config/cr16/cr16.h: New file.
769 * config/cr16/cr16.md: New file.
770 * config/cr16/cr16.opt: New file.
771 * config/cr16/cr16-protos.h: New file.
772 * config/cr16/predicates.md: New file.
773 * config/cr16/constraints.md: New file.
774 * config/cr16/t-cr16: New file.
776 2012-02-02 Jakub Jelinek <jakub@redhat.com>
779 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
780 that operands[2] is either immediate, or q_regs_operand.
782 PR tree-optimization/52073
783 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
784 a pattern stmt for pattern uses, ignore uses outside of the loop.
786 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
788 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
789 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
790 (OUT_AS1, OUT_AS2): Remove.
792 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
794 PR rtl-optimization/51374
795 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
796 to cross other volatile_refs_p insns.
798 2012-02-01 Richard Guenther <rguenther@suse.de>
800 * doc/invoke.texi (fno-inline): Clarify documentation.
801 (finline-small-functions): Likewise.
802 (finline-functions): Likewise.
803 * common.opt (finline): Adjust comment and documentation.
804 (finline-small-functions): Clarify documentation.
805 (finline-functions): Likewise.
806 (finline-functions-called-once): Likewise.
808 2012-02-01 Tristan Gingold <gingold@adacore.com>
810 * c-typeck.c (composite_type): Keep mode for pointers.
812 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
814 * function.h (regno_reg_rtx): Adjust comment.
815 * reginfo.c (init_reg_modes_target): Only use the previous mode
816 if it fits within one register. Remove MIPS comment.
818 2012-01-31 Jakub Jelinek <jakub@redhat.com>
821 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
823 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
825 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
828 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
830 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
832 2012-01-31 Jakub Jelinek <jakub@redhat.com>
837 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
839 2012-01-31 Richard Guenther <rguenther@suse.de>
841 PR tree-optimization/51528
842 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
845 2012-01-31 Jakub Jelinek <jakub@redhat.com>
850 * ree.c (add_removable_extension): Change def_map argument
851 to unsigned *, store in def_map 1 + offset into *insn_list vector
852 instead of pointers into the vector.
853 (find_removable_extensions): Adjust caller.
855 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
857 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
858 Transform all "* quoted-c-code" to { c-code }.
859 Remove redundant test for "optimize" in combine patterns.
860 Move (include "avr-dimode.md") to end of file.
862 2012-01-30 Bin Cheng <bin.cheng@arm.com>
865 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
866 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
868 2012-01-30 Richard Guenther <rguenther@suse.de>
870 PR tree-optimization/52028
871 * tree-loop-distribution.c (ldist_gen): Properly update
874 2012-01-30 Jakub Jelinek <jakub@redhat.com>
877 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
878 set_cur_line_info_table if not emitting debug info.
880 PR tree-optimization/52046
881 * tree-vect-patterns.c (check_bool_pattern): Give up if
882 a comparison could throw.
885 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
887 2012-01-30 Richard Guenther <rguenther@suse.de>
889 PR tree-optimization/52045
890 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
891 SSA form if cfgcleanup did anything.
893 2012-01-30 Richard Guenther <rguenther@suse.de>
895 PR tree-optimization/52045
896 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
897 before computing final todo.
899 2012-01-30 Richard Guenther <rguenther@suse.de>
901 PR tree-optimization/51528
902 * tree-sra.c (sra_modify_assign): Re-factor in preparation
905 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
907 * df-problems.c (df_kill_notes): Check that the use refers
908 to the note under examination.
910 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
913 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
914 parameter and use short-lived pseudos.
915 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
916 (sparc_expand_vector_init): Const-ify local variables and adjust
917 calls to above functions.
919 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
921 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
923 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
925 * doc/invoke.texi: Make usage of "compile time" and
926 "run time"/"runtime" consistent throughout the file.
928 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
930 * config/alpha/alpha.c (alpha_option_override): Default to
931 full IEEE compliance mode for Go language.
933 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
935 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
936 (LINK_SSP_SPEC): Define.
938 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
941 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
944 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
946 * doc/invoke.texi: Correct hyphenation of "floating point",
947 "double precision", and related terminology throughout the file.
949 2012-01-28 Jakub Jelinek <jakub@redhat.com>
952 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
953 arm_general_register_operand predicate for operand 2 instead of
956 2012-01-27 Ian Lance Taylor <iant@google.com>
959 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
960 * builtins.c (expand_builtin_init_trampoline): Add onstack
961 parameter. Change caller.
962 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
963 * tree.c (build_common_builtin_nodes): Declare
964 __builtin_init_heap_trampoline.
966 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
968 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
969 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
970 * config/avr/avr.c: Ditto.
971 (avr_regnames): Remove because unused.
972 * config/avr/avr.md (*cpse.ne): New peephole.
973 (*cpse.eq): New peephole from former cpse peepholes.
975 2012-01-27 Michael Eager <eager@eagercon.com>
977 * config/microblaze.c (microblaze_emit_compare): Correct
978 test after pcmp instruction.
980 2012-01-27 Richard Guenther <rguenther@suse.de>
982 PR tree-optimization/52020
983 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
985 2012-01-27 Richard Guenther <rguenther@suse.de>
987 * ipa-pure-const.c (check_stmt): Clobbers do not make a
988 function non-const/pure.
990 2012-01-27 Richard Guenther <rguenther@suse.de>
992 PR tree-optimization/50444
993 * tree-sra.c (build_ref_for_offset): Properly adjust the
994 MEM_REF type for unaligned accesses.
996 2012-01-27 Richard Guenther <rguenther@suse.de>
998 PR tree-optimization/50444
999 * expr.c (mem_ref_refers_to_non_mem_p): New function.
1000 (expand_assignment): Use it. Properly handle misaligned
1001 bases when expanding stores to component references.
1002 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1005 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
1008 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1009 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1010 * tree-data-ref.c (find_data_references_in_loop): Make static.
1011 (compute_all_dependences): Change return type to bool. Bail out
1012 for too many datarefs in a loop. Move the hunk resetting the data
1013 dependences vector from ...
1014 (compute_data_dependences_for_loop): ... here. Account for
1015 compute_all_dependences returning false.
1016 (compute_data_dependences_for_bb): Likewise.
1017 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1018 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1020 2012-01-27 Richard Guenther <rguenther@suse.de>
1023 * expr.c (store_field): Use the alias-set of the scratch memory
1026 2012-01-27 Tom de Vries <tom@codesourcery.com>
1028 PR tree-optimization/51990
1029 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1031 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1033 2012-01-27 Jakub Jelinek <jakub@redhat.com>
1036 * var-tracking.c (reverse_op): Don't add any reverse operation
1037 if V already has any constant locations.
1039 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1041 * doc/invoke.texi: Correct usage of "command line" (noun)
1042 vs "command-line" (adjective) throughout.
1044 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1046 * doc/invoke.texi (Language Independent Options): Move
1047 -Wcoverage-mismatch blurb from here....
1048 (Warning Options): ...to here.
1050 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
1052 * config/rs6000/rs6000.c (rs6000_option_override_internal):
1053 Set rs6000_always_hint to false for 476.
1055 2012-01-27 Matthias Klose <doko@ubuntu.com>
1057 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1059 * incpath.c (add_standard_paths): Likewise.
1061 2012-01-27 Richard Henderson <rth@redhat.com>
1063 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1064 * config/m68k/sync.md (atomic_test_and_set): Rename from
1065 sync_test_and_setqi and adjust the operands.
1066 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1067 and unconditionally enable.
1069 2012-01-27 Richard Henderson <rth@redhat.com>
1071 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1072 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1073 (ldstub): Rename from ldstubqi.
1074 (ldstub<I24MODE>): Remove.
1076 2012-01-27 Richard Henderson <rth@redhat.com>
1078 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1079 * c-cppbuiltin.c (cpp_atomic_builtins): Define
1080 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1081 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1082 * doc/tm.texi: Rebuild.
1084 2012-01-27 Richard Henderson <rth@redhat.com>
1086 * optabs.c (gen_atomic_test_and_set): Remove default.
1087 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1089 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1091 PR rtl-optimization/51978
1092 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1093 (combine_reaching_defs): Likewise.
1094 (struct re_info): Remove.
1095 (add_removable_extension): Remove x and data arguments,
1096 add insn, insn_list and def_map. Use the arguments directly
1097 instead of using struct re_info.
1098 (find_removable_extensions): Don't call add_removable_extension
1099 through note_stores, instead just call it with single_set
1101 (find_and_remove_re): Pass curr_cand->expr instead of
1102 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1104 2012-01-26 Michael Matz <matz@suse.de>
1106 PR tree-optimization/46590
1107 * cfgexpand.c: Revert last change (r183305).
1108 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1110 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1111 checking for emptiness.
1113 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1116 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1117 non-addressable non-BLKmode base correctly.
1119 2012-01-26 Michael Matz <matz@suse.de>
1121 PR tree-optimization/48794
1122 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1123 regions referenced from RESX/EH_DISPATCH.
1125 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1127 * config/s390/s390.h: Make BRANCH_COST an option.
1128 * config/s390/s390.opt: New option -mbranch-cost.
1130 2012-01-26 Richard Henderson <rth@redhat.com>
1132 Revert 2012-01-24 change:
1133 * trans-mem.c (requires_barrier): Do not instrument thread local
1134 variables and emit save/restore for them.
1136 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1139 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1142 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
1144 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1147 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
1150 Rename __pgm to __flash.
1151 Rename __pgm1 to __flash1.
1152 Rename __pgm2 to __flash2.
1153 Rename __pgm3 to __flash3.
1154 Rename __pgm4 to __flash4.
1155 Rename __pgm5 to __flash5.
1156 Rename __pgmx to __memx.
1157 * doc/extend.texi (AVR Named Address Spaces)
1158 Rename address space names as indicated above.
1159 * config/avr/avr.c (avr_addrspace): Ditto.
1161 * config/avr/avr-protos.h
1162 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1163 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1164 * config/avr/predicates.md: Ditto.
1165 * config/avr/avr.c Ditto, and
1166 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1167 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1169 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1170 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1171 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1172 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1173 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1174 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1175 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1176 * config/avr/avr.c: Ditto.
1177 * config/avr/avr.md: Ditto.
1179 2012-01-25 Jason Merrill <jason@redhat.com>
1182 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1184 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1186 PR tree-optimization/51987
1187 * tree-data-ref.c (get_references_in_stmt): Handle references in
1188 non-volatile GIMPLE_ASM.
1190 2012-01-25 Richard Guenther <rguenther@suse.de>
1192 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1193 bases are dereferenced.
1195 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1197 PR rtl-optimization/48374
1198 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1200 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1202 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1203 compute_data_dependences_for_loop returns false.
1204 * tree-parloops.c (loop_parallel_p): Likewise.
1206 2012-01-25 Richard Guenther <rguenther@suse.de>
1208 * tree.h (get_pointer_alignment_1): Declare.
1209 * builtins.c (get_pointer_alignment_1): New function.
1210 (get_pointer_alignment): Use it.
1212 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1214 PR rtl-optimization/48308
1215 * combine.c (enum undo_kind): Add UNDO_LINKS.
1216 (struct undo): Add member l to other_contents and where.
1217 (do_SUBST_LINK): New.
1219 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1220 (undo_all): Handle UNDO_LINKS.
1222 2012-01-25 Richard Henderson <rth@redhat.com>
1224 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1227 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1229 * optabs.c (gen_atomic_test_and_set): Use each argument.
1231 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1233 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1234 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1235 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1236 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1237 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1238 TARGET_PAIRED_SINGLE_FLOAT.
1240 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1242 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1243 (in_struct, return_val): Remove MEM documentation.
1244 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1245 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1246 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1248 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1249 * cfgexpand.c (add_alias_set_conflicts): Likewise.
1250 * expr.c (store_field): Likewise.
1251 * function.c (assign_stack_temp_for_type): Likewise.
1252 * ifcvt.c (noce_try_cmove_arith): Likewise.
1253 * reload1.c (reload): Likewise.
1254 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1255 (alpha_set_memflags): Likewise.
1256 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1258 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1260 * rtl.h (true_dependence, canon_true_dependence): Remove varies
1262 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1263 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1264 (true_dependence_1, true_dependence, canon_true_dependence): Remove
1266 * cselib.c (cselib_rtx_varies_p): Delete.
1267 (cselib_invalidate_mem): Update call to canon_true_dependence.
1268 * dse.c (record_store, check_mem_read_rtx): Likewise.
1269 (scan_reads_nospill): Likewise.
1270 * cse.c (check_dependence): Likewise.
1271 (cse_rtx_varies_p): Delete.
1272 * expr.c (safe_from_p): Update call to true_dependence.
1273 * ira.c (validate_equiv_mem_from_store): Likewise.
1274 (memref_referenced_p): Likewise.
1275 * postreload-gcse.c (find_mem_conflicts): Likewise.
1276 * sched-deps.c (sched_analyze_2): Likewise.
1277 * store-motion.c (load_kills_store): Likewise.
1278 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1279 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1280 (compute_transp): Update call to canon_true_dependence.
1282 2012-01-25 Richard Henderson <rth@redhat.com>
1284 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1285 (maybe_emit_atomic_test_and_set): New.
1286 (expand_sync_lock_test_and_set): Use it.
1287 (expand_atomic_test_and_set): Likewise.
1288 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1289 the implementation; clarify implementation defined details.
1290 * doc/md.texi (atomic_test_and_set): Document.
1292 2012-01-25 Richard Henderson <rth@redhat.com>
1294 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1296 2012-01-25 Richard Henderson <rth@redhat.com>
1299 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1300 to effect no-op split.
1302 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1305 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1306 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1307 (BT_FN_VOID_PTR_INT_SIZE): New.
1308 (BT_FN_UINT_UINT_VAR): Remove.
1309 (BT_FN_UINT32_UINT32_VAR): New.
1310 (BT_FN_DOUBLE_VPTR): Remove.
1311 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1313 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1314 (_ITM_changeTransactionMode): Same.
1315 (_ITM_memmoveRtWt): Change return type to void.
1316 (_ITM_memcpyRtWt): Same.
1317 (_ITM_memsetW): Same.
1318 (_ITM_RaRD): Change types to double.
1323 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1325 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1326 Patrick Marlier <patrick.marlier@gmail.com>
1328 * trans-mem.c (requires_barrier): Do not instrument thread local
1329 variables and emit save/restore for them.
1331 2012-01-24 Jason Merrill <jason@redhat.com>
1334 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1335 output static aliases.
1337 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1340 * common.opt (-pie, -shared, pie, shared): Change from Common to
1342 * gcc.c (display_help): Display help for -pie and -shared.
1344 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1347 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1348 Remove note on size/offset limitation.
1349 (AVR Variable Attributes): Add example how to read data located
1350 with progmem. Refer to named address spaces.
1351 * doc/invoke.texi (AVR Options): Fix typo.
1353 2012-01-24 Richard Guenther <rguenther@suse.de>
1355 Forward-port to trunk
1356 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1359 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1360 op0 isn't sufficiently aligned and there is movmisalignM
1361 insn for mode, use it to load op0 into a temporary register.
1363 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1366 * target.def (const_not_ok_for_debug_p): New hook.
1367 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1369 * doc/tm.texi: Regenerated.
1370 * dwarf2out.c (const_ok_for_output_1): If
1371 targetm.const_not_ok_for_debug_p returns true, fail.
1372 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1374 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1376 2012-01-23 Kai Tietz <ktietz@redhat.com>
1379 * config/i386/predicates.md (symbolic_operand): Allow
1380 UNSPEC_PCREL as PIC expression for lea.
1381 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1382 * config/i386/i386.c (ix86_delegitimize_address): Handle
1383 UNSPEC_PCREL for none-MEM, too.
1385 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1387 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1388 (ipa_tm_create_version_alias): Same.
1390 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1393 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1394 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1396 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1397 Patrick Marlier <patrick.marlier@gmail.com>
1398 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1401 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1402 simple_object_start_read.
1404 2012-01-23 Richard Guenther <rguenther@suse.de>
1407 PR tree-optimization/51895
1408 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1409 parameter decomposition into BLKmode components.
1411 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1413 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1414 fake variables for restrict-qualified pointers whose pointed-to type
1415 contains a placeholder.
1417 2012-01-23 Richard Guenther <rguenther@suse.de>
1419 PR tree-optimization/51949
1420 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1422 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1424 PR rtl-optimization/51933
1425 * ree.c (transform_ifelse): Return true right away if dstreg is
1426 already wider or equal to cand->mode.
1427 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1428 (make_defs_and_copies_lists): Remove defs_list and copies_list
1429 arguments, add state argument, just truncate state->work_list
1430 instead of always allocating and freeing the vector. Assert that
1431 get_defs succeeds instead of returning 2. Changed return type to bool.
1432 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1433 have ext_src_mode, see if it has been modified already with the
1434 right kind of extension and has been extended before from the
1435 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1436 just return true. Remember the original mode in state->modified array.
1437 (combine_reaching_defs): Add state argument. Don't allocate and
1438 free here def_list, copied_list and vec vectors, instead just
1439 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1440 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1441 Add state variable, clear vectors in it, initialize state.modified
1442 if needed. Free all the vectors at the end and state.modified too.
1443 Don't skip a candidate if the extension expression has been modified.
1445 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1448 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1449 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1450 (extra_options) interix.opt -> i386/interix.opt"
1451 (extra_objs):Add winnt-stubs.o
1452 * configure.ac: Add interix to target_os .comm on PE check.
1453 * configure: Regenerate.
1454 * config/interix3.h: Delete and move bits to..
1455 * config/interix.h: Delete and move bits to..
1456 * config/i386/i386-interix3.h: Delete and move bits to..
1457 * config/i386/i386-interix.h: ..here.
1458 (TARGET_CPU_DEFAULT): Remove redefinition.
1459 (TARGET_ASM_CONSTRUCTOR): Undefine.
1460 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1461 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1462 (PTRDIFF_TYPE): Define.
1463 (LONG_DOUBLE_TYPE_SIZE): Define.
1464 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1465 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1466 (TARGET_SECTION_TYPE_FLAGS): Define.
1467 (ASM_DECLARE_FUNCTION_NAME): Define.
1468 (ASM_OUTPUT_EXTERNAL): Define.
1469 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1470 (ASM_OUTPUT_ALIGNED_BSS): Define.
1471 (PCC_BITFIELD_TYPE_MATTERS): Define.
1472 (USE_CONST_SECTION): Define.
1473 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1474 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1475 (SUPPORTS_ONE_ONLY): Remove.
1476 (I386_PE_STRIP_ENCODING): Define.
1477 * config/interix.opt: Delete and move bits to..
1478 * config/i386/interix.opt: ..here. New.
1479 (mpe-aligned-commons): Add.
1480 * config/i386/t-interix: Add copyright header.
1481 (winnt-stubs.o): Add rule.
1483 2012-01-22 Jason Merrill <jason@redhat.com>
1486 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1487 for extra name aliases.
1489 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1491 PR rtl-optimization/51924
1492 * ree.c (combine_set_extension): Improve debugging message.
1493 (combine_reaching_defs): Likewise.
1494 (get_defs): Rename confusingly named variable.
1495 (find_and_remove_re): Skip a candidate if the extension expression has
1498 2012-01-21 Robert Millan <rmh@gnu.org>
1499 Gerald Pfeifer <gerald@pfeifer.com>
1501 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1502 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1504 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1506 PR tree-optimization/51914
1507 * tree-vect-stmts.c (vectorizable_conversion): For
1508 cvt_type && modifier == WIDEN, put temporary with cvt_type
1509 at the beginning of vec_dsts and set vec_dest to temporary
1512 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1514 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1516 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1518 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1519 * config/rs6000/rs6000.c: Likewise.
1521 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1524 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1525 output_move_double on a copy of operands array.
1527 2012-01-20 Cary Coutant <ccoutant@google.com>
1528 Dodji Seketeli <dodji@redhat.com>
1531 * dwarf2out.c (copy_declaration_context): Return ref to parent
1532 of declaration DIE, if necessary.
1533 (remove_child_or_replace_with_skeleton): Add new parameter; update
1534 caller. Place skeleton DIE under parent DIE of original declaration.
1535 Move call to copy_declaration_context to here ...
1536 (break_out_comdat_types): ... from here.
1538 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1540 PR rtl-optimization/51856
1541 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1544 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1547 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1548 hints for neon loads and stores.
1550 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1554 * doc/extend.texi (Named Address Spaces): Split into subsections.
1555 (AVR Named Address Spaces): New subsection.
1556 (M32C Named Address Spaces): New subsection.
1557 (RL78 Named Address Spaces): New subsection.
1558 (SPU Named Address Spaces): New subsection.
1559 (Variable Attributes): New anchor "AVR Variable Attributes".
1560 (AVR Variable Attributes): Rewrite and avoid wording
1561 "address space" in this context.
1562 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1563 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1564 (AVR Built-in Macros): New subsubsection therein.
1565 * doc/md.texi (AVR constraints): Remove "C04", "R".
1567 2012-01-20 Richard Guenther <rguenther@suse.de>
1569 PR tree-optimization/51903
1570 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1571 when removing stmts.
1573 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1576 * config/arm/arm.c (arm_load_pic_register): Use
1577 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1578 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1579 (arm_pic_static_addr): Likewise.
1580 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1581 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1582 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1583 (pic_load_addr_unified): New.
1585 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1588 * function.c (instantiate_virtual_regs_in_insn): Use
1589 delete_insn_and_edges when removing a wrong asm insn.
1591 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1593 PR rtl-optimization/40761
1594 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1595 Add new member loop_num.
1596 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1597 (ira_build): Remove the parameter.
1599 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1600 (ira.c): Do not build CFG loops for one region allocation. Remove
1601 argument from ira_build call.
1603 * ira-build.c (init_loop_tree_node): New function.
1604 (create_loop_tree_nodes): Use it. Separate the case when CFG
1605 loops are not built.
1606 (more_one_region_p): Check current_loops.
1607 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1609 (add_loop_to_tree): Process loop equal to NULL too.
1610 (form_loop_tree): Separate the case when CFG loops are not built.
1611 Use explicitly number for the root.
1612 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1614 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1615 instead of loop->num.
1616 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1617 (mark_all_loops_for_removal): Ditto.
1618 (remove_unnecessary_regions): Separate the case when CFG loops
1620 (ira_build): Remove the parameter. Use explicit number of regions
1621 when CFG loops are not built.
1623 * ira-color.c (print_loop_title): Separate the case for the root node.
1624 Use loop_num instead of loop->num.
1625 (move_spill_restore): Use loop_num instead of loop->num.
1627 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1628 (change_loop): Ditto.
1629 (change_loop): Use loop_num instead of loop->num.
1631 * ira-lives.c (process_bb_node_lives): Ditto.
1633 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1635 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1637 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1640 * tree-mudflap.c (mf_artificial): New function.
1641 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1642 mx_register_decls, mudflap_enqueue_decl): Use it.
1645 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1646 numbers in the insn pattern.
1648 2012-01-19 Michael Matz <matz@suse.de>
1650 PR tree-optimization/46590
1651 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1652 use it in remembering which conflicts we already created.
1653 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1656 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1659 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1660 (merge_and_complain): Same.
1662 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1665 * config/initfini-array.h: Guard content of the header
1666 with #ifdef HAVE_INITFINI_ARRAY.
1667 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1668 Add initfini-array.h to tm_file here.
1669 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1670 * config.gcc: Don't add initfini-array.h to tm_file here.
1671 * configure: Regenerated.
1673 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1675 PR rtl-optimization/51505
1676 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1677 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1678 (df_note_bb_compute): Update the call to df_kill_notes.
1680 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1682 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1684 2012-01-18 Richard Guenther <rguenther@suse.de>
1686 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1687 of conversions to void *.
1689 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1690 Richard Sandiford <rdsandiford@googlemail.com>
1694 * optabs.h (simplify_expand_binop): Declare.
1695 * optabs.c (simplify_expand_binop): Make global.
1696 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1697 endian targets if the source cannot be exactly covered by word
1700 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1703 * hard-reg-set.h (struct hard_reg_set_container): New type.
1704 * target.h (struct hard_reg_set_container): Forward declare.
1705 * target.def (set_up_by_prologue): New target hook.
1706 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1707 * doc/tm.texi: Regenerated.
1708 * function.c (thread_prologue_and_epilogue_insns): Change
1709 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1710 Call targetm.set_up_by_prologue on it.
1711 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1712 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1714 2012-01-17 Nick Clifton <nickc@redhat.com>
1716 * config/rx/rx.c (rx_can_use_simple_return): New function.
1717 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1718 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1720 2012-01-17 Richard Guenther <rguenther@suse.de>
1723 * expr.c (expand_assignment): Take address-space information
1724 from the address operand of MEM_REF and TARGET_MEM_REF.
1725 (expand_expr_real_1): Likewise.
1727 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1729 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1730 reload dump is requested.
1732 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1735 * trans-mem.c (requires_barrier): Call may_be_aliased.
1737 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1739 PR tree-optimization/51877
1740 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1741 call arguments and fndecls compare equal, instead return false if they
1742 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1743 both SSA_NAMEs that are valueized the same, or they satisfy
1746 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1748 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1750 * configure: Regenerate.
1752 2012-01-16 Jan Hubicka <jh@suse.cz>
1756 * convert.c (convert_to_integer): Use fold_convert for
1757 converting an INTEGER_CST to integer type.
1759 2012-01-16 Jason Merrill <jason@redhat.com>
1762 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1764 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1767 * config/s390/s390.c (s390_chunkify_start): Don't skip
1768 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1769 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1770 If insn is followed by NOTE_INSN_VAR_LOCATION or
1771 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1772 Don't use location of note insns.
1774 PR tree-optimization/51865
1775 * tree-inline.c (tree_function_versioning): Call remap_decl
1776 on DECL_RESULT whenever it has VOID_TYPE_P type.
1778 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1780 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1781 for calls to locally-binding MIPS16 functions if only the return
1782 type uses float regs.
1784 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1785 Richard Sandiford <rdsandiford@googlemail.com>
1787 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1788 (SYMBOL_32_HIGH): Likewise.
1789 (mips_output_tls_reloc_directive): Declare.
1790 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1791 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1792 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1793 (mips_lo_relocs, mips_hi_relocs): Make extern.
1794 (mips16_stub_function): Move up file.
1795 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1796 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1797 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1798 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1799 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1800 (mips_get_tp): Add MIPS16 support.
1801 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1802 Generalize DTPREL and TPREL handling.
1803 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1804 Add MIPS16 TLS support.
1805 (mips_output_tls_reloc_directive): New function.
1806 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1807 * config/mips/predicates.md (symbolic_operand_with_high)
1808 (tls_reloc_operand): New predicates.
1809 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1810 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1811 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1812 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1813 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1814 (*tls_get_tp_mips16_call_<mode>): Likewise.
1816 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1818 PR rtl-optimization/51821
1819 * recog.c (peep2_find_free_register): Determine clobbered registers
1822 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1825 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1826 * config/avr/avr.c: Likewise.
1827 * config/avr/avr.h: Likewise.
1829 2012-01-13 Ian Lance Taylor <iant@google.com>
1832 * tree.h (TYPE_QUALS): Add cast to int.
1833 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1835 2012-01-13 Ian Lance Taylor <iant@google.com>
1837 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1838 comparing param_index to VEC_length result.
1840 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1842 * c-decl.c: Do not include tree-mudflap.h
1843 * tree-optimize.c: Likewise.
1844 * Makefile.in: Update dependencies.
1846 2012-01-13 Richard Guenther <rguenther@suse.de>
1849 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1850 variable-sized result always use RSO.
1852 2012-01-12 DJ Delorie <dj@redhat.com>
1854 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1855 pointer type, not just the default pointer type.
1857 2012-01-09 Richard Henderson <rth@redhat.com>
1858 Denis Chertykov <chertykov@gmail.com>
1861 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1862 * config/avr/avr.c (avr_can_eliminate): Simplify.
1863 (avr_initial_elimination_offset): Likewise.
1864 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1865 (expand_epilogue): Likewise.
1866 (avr_legitimize_address): Gut.
1867 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1868 (avr_hard_regno_nregs): New.
1869 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1870 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1871 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1872 add soft frame pointer.
1873 (CALL_USED_REGISTERS): Likewise.
1874 (REG_CLASS_CONTENTS): Likewise.
1875 (REGISTER_NAMES): Likewise.
1876 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1877 (HARD_FRAME_POINTER_REGNUM): New.
1878 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1879 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1880 remove the HARD_FRAME_POINTER self-elimination.
1882 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1885 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1886 DECL_EXTERNAL when checking for initializers of progmem variables.
1888 2012-01-12 Ira Rosen <irar@il.ibm.com>
1890 PR tree-optimization/51799
1891 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1892 that the last operation is a type demotion.
1894 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1896 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1897 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1899 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1902 * combine.c (distribute_notes): If i3 is a noreturn call,
1903 allow old_size to be equal to args_size and make sure the
1904 noreturn call gets REG_ARGS_SIZE note.
1905 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1906 on noreturn calls even when the delta is 0.
1908 2012-01-11 Nathan Sidwell <nathan@acm.org>
1910 * gcov.c (STRING_SIZE): Remove.
1911 (generate_results): Erase annotations for source files with no
1912 coverage information.
1914 (output_lines): Use it.
1916 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1918 * gimple.h (gimplify_body): Remove first argument.
1919 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1920 pointer set here, instead just pass DATA to walk_tree.
1921 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1922 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1923 (unvisit_body): Likewise, but with unmark_visited.
1924 (gimplify_body): Remove BODY_P argument and adjust.
1925 (gimplify_function_tree): Adjust call to gimplify_body.
1926 * omp-low.c (finalize_task_copyfn): Likewise.
1928 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1930 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1931 (build_function_type_skip_args): Delete.
1932 * tree.c (build_function_type_skip_args): Make static and add
1933 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1934 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1935 pass it to build_function_type_skip_args.
1936 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1937 (tree_function_versioning): Likewise.
1938 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1939 build_function_decl_skip_args.
1940 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1941 and pass it to build_function_decl_skip_args/tree_function_versioning.
1942 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1943 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1944 * trans-mem.c (ipa_tm_create_version): Likewise.
1945 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1946 * tree-inline.c (declare_return_variable): Remove always-true test.
1947 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1948 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1949 * ipa-split.c (split_function): Skip the return value for the split
1950 part if it doesn't return.
1952 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1954 PR tree-optimization/49642
1955 * ipa-split.c (forbidden_dominators): New variable.
1956 (check_forbidden_calls): New function.
1957 (dominated_by_forbidden): Likewise.
1958 (consider_split): Check for forbidden dominators.
1959 (execute_split_functions): Initialize and free forbidden
1960 dominators info; call check_forbidden_calls.
1962 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1964 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1966 2012-01-11 Nick Clifton <nickc@redhat.com>
1968 * config/rx/rx.md (return): Define pattern.
1970 2012-01-11 Richard Guenther <rguenther@suse.de>
1972 * doc/extend.texi (malloc attribute): Adjust according to
1975 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1976 Patrick Marlier <patrick.marlier@gmail.com>
1979 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1980 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1981 (ipa_tm_note_irrevocable): Same.
1982 (ipa_tm_scan_irr_block): Same.
1983 (ipa_tm_decrement_clone_counts): Same.
1984 (ipa_tm_scan_irr_function): Same.
1985 (ipa_tm_create_version_alias): Same.
1986 (ipa_tm_create_version): Same.
1987 (ipa_tm_transform_calls_redirect): Same.
1988 (ipa_tm_transform_calls): Same.
1989 (ipa_tm_transform_transaction): Same.
1990 (ipa_tm_execute): Same.
1992 2012-01-10 Richard Guenther <rguenther@suse.de>
1995 * opts.c (common_handle_option): Handle -Werror.
1997 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1999 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2002 2012-01-10 Jason Merrill <jason@redhat.com>
2004 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2007 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2009 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2010 supports R_386_TLS_GD_PLT reloc.
2011 (gcc_cv_as_ix86_tlsldmplt): Check if linker
2012 supports R_386_TLS_LDM_PLT reloc.
2013 * configure: Regenerate.
2014 * config.in: Regenerate.
2016 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
2019 Extend __pgmx semantics to linearize memory.
2020 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2021 determine if code comes inline or from libgcc.
2022 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2023 (movmem_qi, movmem_qi): Set constraint #2 to "n".
2024 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2025 (movmemx_qi, movmemx_hi): New insns.
2026 (xload_<mode>_libgcc): Rewrite to new insn condition.
2027 (xload_<mode>): Remove insns.
2028 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2029 cases that don't satisfy avr_xload_libgcc_p().
2030 (avr_addr_space_convert): Allow converting in any direction.
2031 (avr_addr_space_subset_p): Return always true.
2032 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2033 (avr_emit_movmemhi): Ditto.
2034 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2035 (avr_out_movmem): Ditto.
2036 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2037 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2038 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2039 (avr_encode_section_info): Encode 'progmem' in symbol flags.
2040 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2042 2012-01-10 Richard Guenther <rguenther@suse.de>
2044 PR tree-optimization/50913
2045 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2046 Require data-refs to be representable by Graphite with respect
2049 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
2051 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2052 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2054 2012-01-10 Tom de Vries <tom@codesourcery.com>
2056 PR rtl-optimization/51271
2057 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2058 handling annulled branch.
2060 2012-01-10 Richard Henderson <rth@redhat.com>
2062 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2063 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2064 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2065 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2066 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2067 arm_expand_vec_perm_const): New.
2068 * config/arm/arm-protos.h: Update.
2069 * config/arm/neon.md (UNSPEC_VCONCAT): New.
2070 (*neon_vswp<VDQX>): New.
2071 (neon_vcombine<VDX>): Use neon_split_vcombine.
2072 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2073 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2074 (vec_perm<VE>): New.
2076 2012-01-10 Richard Henderson <rth@redhat.com>
2078 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2079 use it if reload_completed.
2080 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2081 arm_output_asm_insn, arm_process_output_memory_barrier,
2082 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2083 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2084 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2085 arm_process_output_sync_insn, arm_output_sync_insn,
2086 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2087 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2088 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2089 (emit_unlikely_jump): New.
2090 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2091 (arm_split_atomic_op): New.
2092 * config/arm/arm-protos.h: Update.
2093 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2094 (struct arm_sync_generator): Remove.
2095 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2096 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2097 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2098 (VUNSPEC_LL, VUNSPEC_SC): New.
2099 (sync_result, sync_memory, sync_required_value, sync_new_value,
2100 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2101 (attr length): Don't use arm_sync_loop_insns.
2102 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2103 (movsfcc, movdfcc): Likewise.
2104 * config/arm/constraints.md (Ua): New.
2105 * config/arm/prediates.md (mem_noofs_operand): New.
2106 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2107 (sync_clobber, sync_t2_reqd): Remove.
2108 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2109 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2110 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2111 (arm_sync_compare_and_swap<SIDI>): Remove.
2112 (arm_sync_compare_and_swap<NARROW>): Remove.
2113 (arm_sync_lock_test_and_set<SIDI>): Remove.
2114 (arm_sync_lock_test_and_set<NARROW>): Remove.
2115 (arm_sync_new_<syncop><SIDI>): Remove.
2116 (arm_sync_new_<syncop><NARROW>): Remove.
2117 (arm_sync_new_nand<SIDI>): Remove.
2118 (arm_sync_new_nand<NARROW>): Remove.
2119 (arm_sync_old_<syncop><SIDI>): Remove.
2120 (arm_sync_old_<syncop><NARROW>): Remove.
2121 (arm_sync_old_nand<SIDI>): Remove.
2122 (arm_sync_old_nand<NARROW>): Remove.
2123 (*memory_barrier): Merge arm_output_memory_barrier.
2124 (atomic_compare_and_swap<QHSD>): New.
2125 (atomic_compare_and_swap<NARROW>_1): New.
2126 (atomic_compare_and_swap<SIDI>_1): New.
2127 (atomic_exchange<QHSD>): New.
2128 (cas_cmp_operand, cas_cmp_str): New.
2129 (atomic_op_operand, atomic_op_str): New.
2130 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2131 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2132 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2133 (arm_load_exclusive<NARROW>): New.
2134 (arm_load_exclusivesi, arm_load_exclusivedi): New.
2135 (arm_store_exclusive<QHSD>): New.
2137 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2139 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2140 reload patterns if -mvsx-scalar-memory.
2142 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2143 generated, even -mno-vsx-scalar-double was used.
2144 (vsx_xscvdpsp_scalar): Likewise.
2145 (vsx_xscvspdp_scalar2): Likewise.
2147 2012-01-09 Tom de Vries <tom@codesourcery.com>
2148 Andrew Pinski <apinski@cavium.com>
2151 * reorg.c (fill_slots_from_thread): Don't speculate
2152 frame-related insns.
2154 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
2156 * sched-int.h (bb_note): Move to...
2157 * basic-block.h: ...here.
2158 * haifa-sched.c (bb_note): Move to...
2159 * cfgrtl.c: ...here.
2160 * function.c (next_block_for_reg): New function.
2161 (move_insn_for_shrink_wrap): Likewise.
2162 (prepare_shrink_wrap): Rewrite to use the above.
2164 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
2166 * gimple.c (is_gimple_non_addressable): Remove.
2167 * gimple.h: Remove is_gimple_non_addressable.
2168 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2169 is_gimple_non_addressable.
2170 * trans-mem.c (expand_assign_tm): Same.
2172 2012-01-09 Richard Guenther <rguenther@suse.de>
2174 PR tree-optimization/51775
2175 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2176 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2178 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2180 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2182 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2184 2012-01-09 Richard Guenther <rguenther@suse.de>
2186 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2188 2012-01-08 Jan Hubicka <jh@suse.cz>
2190 PR tree-optimize/51680
2191 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2192 on when known_vals needs to be computed; cleanup.
2194 2012-01-08 Jan Hubicka <jh@suse.cz>
2196 PR tree-optimize/51694
2197 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2199 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
2201 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2202 for -std=c++98 and -std=c++11 too.
2204 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
2206 * cfgloop.c (cancel_loop): Add free() of bbs array.
2208 2012-01-07 Jan Hubicka <jh@suse.cz>
2210 PR tree-optimization/51600
2211 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2212 that benefits small functions.
2214 2012-01-07 Jan Hubicka <jh@suse.cz>
2216 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2218 2012-01-07 Jan Hubicka <jh@suse.cz>
2220 PR tree-optimization/51680
2221 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2222 whose inlining reduce unit size.
2224 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2227 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2228 Add canonical node to containing_mem chain after the non-canonical
2229 one, even if there weren't any locs to propagate.
2230 (remove_useless_values): Keep only canonical values.
2231 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2232 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2233 canonicalize mem_chain elements that are not discarded.
2235 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2238 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2239 before emitting functions.
2241 PR gcov-profile/50127
2242 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2243 clear_aux_for_blocks.
2245 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
2248 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2250 2012-01-06 Arnaud Charlet <charlet@adacore.com>
2252 * c-decl.c (ext_block): Moved up.
2253 (collect_all_refs, for_each_global_decl): Take ext_block into account.
2255 2012-01-06 Han Shen <shenhan@google.com>
2257 Translate built-in include paths for sysroot.
2258 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2259 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2261 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2262 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2264 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2265 control whether sysroot should be prepended to gxx include dir.
2267 * configure: Regenerate.
2269 2012-01-06 Torvald Riegel <triegel@redhat.com>
2271 PR rtl-optimization/51771
2272 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2273 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2275 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2277 PR tree-optimization/51315
2278 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2279 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2281 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
2284 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2285 for shrp pattern. Correctly handle and fixup shift variable.
2286 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2288 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2291 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2292 note when !ACCUMULATE_OUTGOING_ARGS.
2294 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2296 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2298 (extract_range_from_unary_expr_1): Avoid useless computations.
2300 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2302 PR rtl-optimization/51767
2303 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2304 of jump_block and add an extra edge for degenerated asm gotos.
2307 * stmt.c (check_unique_operand_names): Don't ICE during error
2308 reporting if i is from labels chain.
2311 * profile.c (branch_prob): Split bbs that have exit edge
2312 and need a fake entry edge too.
2314 2012-01-05 Jan Hubicka <jh@suse.cz>
2317 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2320 2012-01-05 Richard Guenther <rguenther@suse.de>
2323 * tree-streamer-out.c (write_ts_optimization): New function.
2324 (streamer_write_tree_body): Call it.
2325 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2326 (streamer_read_tree_body): Call it.
2327 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2329 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2332 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2333 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2334 in_cleanup_point_expr before gimplify_stmt call and restore it
2336 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2337 in_cleanup_point_expr is false.
2339 2012-01-05 Richard Guenther <rguenther@suse.de>
2342 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2344 * toplev.c (process_options): Reject combining mudflap and LTO.
2345 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2347 2012-01-05 Richard Guenther <rguenther@suse.de>
2349 PR tree-optimization/51760
2350 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2352 (bit_value_unop): Handle UNDEFINED operands.
2353 (bit_value_binop): Likewise.
2355 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2357 * config/avr/avr.c (avr_replace_prefix): Remove.
2358 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2359 (avr_asm_function_rodata_section): Ditto.
2360 (avr_asm_select_section): Ditto.
2362 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2364 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2367 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2370 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2371 calls that have any non-fake successor edges.
2374 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2376 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2378 PR tree-optimization/51624
2379 * tree-sra.c (build_ref_for_model): When replicating a chain of
2380 COMPONENT_REFs, stop as soon as the offset would become negative.
2382 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2385 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2386 in .debug_loc on the floor.
2388 2012-01-04 Andrew Pinski <apinski@cavium.com>
2390 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2392 2012-01-04 Andrew Pinski <apinski@cavium.com>
2393 Adam Nemet <anemet@caviumnetworks.com>
2395 * config/mips/mips.md (size): Add SI and DI.
2396 (SIZE): New mode attribute.
2397 (U): New code attribute.
2398 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2399 (mips_lbux_<mode>): Delete.
2400 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2401 (mips_lhx): Use gen_mips_lhx_extsi.
2402 (mips_lhx_<mode>): Delete.
2404 (mips_l<size>x): New expand.
2405 (mips_lwx_<mode>): Delete.
2406 (mips_l<GPR:size>x_<P:mode>): New pattern.
2407 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2408 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2409 * config/mips/mips.c (mips_lx_address_p): New function.
2410 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2411 (dsp64): New availability predicate.
2412 (mips_builtins): Add an entry for __builtin_mips_ldx.
2413 * config/mips/mips.h (ISA_HAS_LBX): New define.
2414 (ISA_HAS_LBUX): Likewise.
2415 (ISA_HAS_LHX): Likewise.
2416 (ISA_HAS_LHUX): Likewise.
2417 (ISA_HAS_LWX): Likewise.
2418 (ISA_HAS_LWUX): Likewise.
2419 (ISA_HAS_LDX): Likewise.
2420 * doc/extend.texi (__builtin_mips_ldx): Document.
2422 2012-01-04 Tristan Gingold <gingold@adacore.com>
2424 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2425 when long pointers are used.
2426 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2427 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2428 (ia64-hp-*vms*): Remove.
2429 * config/vms/xm-vms64.h: Delete.
2431 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2434 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2436 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2438 * opts.c (finish_options): Remove duplicate sorry.
2440 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2443 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2446 2012-01-04 Richard Guenther <rguenther@suse.de>
2449 * tree.c (size_low_cst): New function.
2450 * tree.h (size_low_cst): Declare.
2451 * fold-const.c (fold_comparison): Use it to extract the low
2452 part of the POINTER_PLUS_EXPR offset.
2454 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2456 Fix clearing ZERO_REG
2457 * config/avr/avr.md (cc): Add alternative "ldi".
2458 (movqi_insn): Use it in cc attribute.
2459 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2460 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2461 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2463 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2465 * configure: Regenerate.
2467 2012-01-04 Richard Guenther <rguenther@suse.de>
2469 PR tree-optimization/49651
2470 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2471 (var_can_have_subvars): Use it.
2472 (get_constraint_for_1): Only consider subfields if there can be any.
2474 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2477 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2478 to its new canonical_cselib_val and the cselib_val was in
2479 first_containing_mem chain, but the canonical_cselib_val was not,
2480 add the latter into the chain.
2481 (cselib_invalidate_mem): Compare canonical_cselib_val of
2482 addr_list chain elt with v.
2485 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2486 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2488 (output_macinfo_op): Don't ggc_strdup fd->filename.
2489 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2490 then ggc_strdup it. Don't free inc->info or cur->info.
2491 (output_macinfo): Don't free ref->info or file->info.
2493 2012-01-03 Ira Rosen <irar@il.ibm.com>
2495 PR tree-optimization/51269
2496 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2497 first_niters a pointer.
2498 (slpeel_tree_peel_loop_to_edge): Likewise.
2499 (vect_do_peeling_for_loop_bound): Update call to
2500 slpeel_tree_peel_loop_to_edge.
2501 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2502 here. Remove it from the parameters list.
2503 (vect_do_peeling_for_alignment): Update calls and compute
2506 2012-01-03 Richard Guenther <rguenther@suse.de>
2508 PR tree-optimization/51070
2509 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2510 Properly handle calls.
2512 2012-01-03 Richard Guenther <rguenther@suse.de>
2514 PR tree-optimization/51692
2515 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2516 the LHS of allocation stmts.
2518 2012-01-03 Olivier Hainque <hainque@adacore.com>
2520 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2522 2012-01-03 Olivier Hainque <hainque@adacore.com>
2524 * collect2.c (main): In AIX specific computations for vector
2525 insertions, use CONST_CAST2 to cast from char ** to const char **.
2527 2012-01-03 Richard Guenther <rguenther@suse.de>
2530 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2531 the context of a limbo DIE when it does not already exist.
2533 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2535 PR tree-optimization/51719
2536 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2537 but direct call is, clear direct call's lhs and don't add fallthrough
2538 edge from dcall_bb to join_bb and PHIs.
2540 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2542 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2543 the instructions emitted by the pattern.
2544 ("*TDC_insn_<mode>"): Add comment.
2546 2012-01-03 Richard Guenther <rguenther@suse.de>
2549 * fold-const.c (fold_comparison): Properly canonicalize
2550 tree offset and HOST_WIDE_INT bit position.
2552 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2554 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2555 operands for extzv pattern.
2557 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2560 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2563 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2565 * doc/invoke.texi (-flto and related options): Copy-edit.
2567 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2569 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2571 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2573 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2576 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2578 * expr.h (move_by_pieces_ninsns): Declare.
2579 * expr.c (move_by_pieces_ninsns): Make external.
2580 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2581 (mips_store_by_pieces_p): Likewise.
2582 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2583 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2584 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2585 (mips_store_by_pieces_p): Likewise.
2587 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2589 * passes.c (register_one_dump_file): Free full_name.
2591 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2592 (calculate_elim_costs_all_insns): Free offsets_at and
2593 offsets_known_at at the end and clear the pointers.
2595 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2597 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2598 this option introduced in r180739.
2600 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2603 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2604 (tmake_file target=avr): Add avr/t-multilib.
2606 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2607 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2608 * config/avr/genmultilib.awk: New file.
2609 * config/avr/t-multilib: New auto-generated file.
2610 * config/avr/multilib.h: New auto-generated file.
2611 * config/avr/t-avr (AVR_MCUS): New variable.
2612 (genopt.sh): Use it.
2613 (s-mlib): Depend on t-multilib.
2614 (t-multilib, multilib.h): New dependencies.
2615 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2616 (MULTILIB_OPTIONS): Remove.
2617 (MULTILIB_MATCHES): Remove.
2618 (MULTILIB_DIRNAMES): Remove.
2619 (MULTILIB_EXCEPTIONS): Remove:
2620 * config/avr/genopt.sh: Don't use hard coded file name;
2621 pass AVR_MCUS from t-avr instead.
2623 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2625 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2627 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2629 Implement light-weight DImode support.
2630 * config/avr/avr-dimode.md: New file.
2631 * config/avr/avr.md: Include it.
2632 (adjust_len): Add plus64, compare64.
2633 (HIDI): Remove code iterator.
2634 (code_stdname): New code attribute.
2635 (rotx, rotsmode): Remove DI.
2636 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2638 * config/avr/avr-protos.h (avr_have_dimode): New.
2639 (avr_out_plus64, avr_out_compare64): New.
2640 * config/avr/avr.c (avr_out_compare): Handle DImode.
2641 (avr_have_dimode): New variable definition and initialization.
2642 (avr_out_compare64, avr_out_plus64): New functions.
2643 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2644 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2645 (avr_compare_pattern): Skip DImode comparisons.
2647 2012-01-02 Revital Eres <revital.eres@linaro.org>
2649 * ddg.c (def_has_ccmode_p): New function.
2650 (add_cross_iteration_register_deps,
2651 create_ddg_dep_from_intra_loop_link): Call it.
2653 2012-01-02 Richard Guenther <rguenther@suse.de>
2656 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2658 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2660 * gcc.c (process_command): Update copyright notice dates.
2661 * gcov.c (print_version): Likewise.
2662 * gcov-dump.c (print_version): Likewise.
2663 * mips-tfile.c (main): Likewise.
2664 * mips-tdump.c (main): Likewise.
2666 2012-01-01 Ira Rosen <irar@il.ibm.com>
2668 PR tree-optimization/51704
2669 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2670 a use is inside the basic block or loop before accessing its vect info.
2672 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2674 PR rtl-optimization/51069
2675 * cfgloopmanip.c (remove_path): Removing path making irreducible
2676 region unconditional makes BB part of the region.
2678 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2680 PR tree-optimization/51683
2681 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2682 calls with side-effects.
2683 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2685 Copyright (C) 2012 Free Software Foundation, Inc.
2687 Copying and distribution of this file, with or without modification,
2688 are permitted in any medium without royalty provided the copyright
2689 notice and this notice are preserved.