1 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
3 * doc/invoke.texi (-fira-* options): Copy-edit.
4 (ira-* parameters): Copy-edit.
6 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
8 * doc/invoke.texi: Minor copy-edits to bring into conformance with
9 GCC coding conventions.
11 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
13 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
14 when used as adjectives.
16 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
18 * doc/invoke.texi: Clean up "that"/"which" confusion.
20 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
22 * system.h: Poison SMALL_REGISTER_CLASSES
23 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
24 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
26 2012-02-16 Jakub Jelinek <jakub@redhat.com>
28 PR tree-optimization/52285
29 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
30 when deciding if a call is a tail call or tail recursion.
32 2012-02-16 Kai Tietz <ktietz@redhat.com>
34 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
35 interger-constant displacement for UNSPEC_PCREL.
37 2012-02-16 Jakub Jelinek <jakub@redhat.com>
39 PR rtl-optimization/52208
40 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
41 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
43 PR tree-optimization/52255
44 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
45 loop->header has virtual PHI, but exit_e->dest doesn't, add
46 virtual PHI to exit_e->dest and adjust all uses after the loop.
49 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
50 children with clone_tree_hash, not after it.
52 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
54 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
57 2012-02-16 Jakub Jelinek <jakub@redhat.com>
60 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
61 a same_body_alias, also test whether e->callee isn't a former
62 or current clone of the decl this is a same body alias of.
65 * cgraphunit.c (verify_cgraph_node): Fix a typo.
67 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
69 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
71 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
74 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
75 force_reg instead of copy_to_reg for better optimization. Force
76 non-register or memory operands into a register.
78 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
80 * extend.texi: Reserve upper bits of memory model for future use.
82 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
83 Anatoly Sokolov <aesok@post.ru>
84 Eric Weddington <eric.weddington@atmel.com>
87 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
88 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
89 Rewrite initializers for .macro.
90 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
91 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
92 atxmega32d4, atxmega32x1.
93 avrxmega4: atxmega64a3, atxmega64d3.
94 avrxmega5: atxmega64a1, atxmega64a1u.
95 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
96 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
97 avrxmega7: atxmega128a1, atxmega128a1u.
98 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
99 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
100 (struct base_arch_s): Rename reserved to xmega_p.
101 Rename reserved2 to have_rampd.
102 (AVR_XMEGA): New define.
103 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
104 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
105 * config/avr/predicates.md (io_address_operand): Take into
107 (low_io_address_operand): Ditto.
108 (high_io_address_operand): Ditto.
109 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
110 (enabled, movhi_sp_r): Use them.
111 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
112 cpp_define_formatted to built-in define __AVR_ARCH__.
113 (__AVR_XMEGA__): New built-in define.
114 (__AVR_HAVE_RAMPD__): New built-in define.
115 (__AVR_HAVE_RAMPX__): New built-in define.
116 (__AVR_HAVE_RAMPY__): New built-in define.
117 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
119 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
120 (avr_option_override): Initialize them.
121 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
122 (avr_init_expanders): Initialize them. No more block several calls.
123 (emit_push_sfr): New static function.
124 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
126 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
127 (avr_print_operand): Print addreeses as symbols for
128 RAMPX, RAMPY, RAMPD, CCP.
129 (output_movhi): Handle AVR_XMEGA when writing to SP.
130 (avr_out_movhi_mr_r_xmega): New static function.
131 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
132 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
133 __RAMPD__, __CCP__ as needed.
135 * config/avr/multilib.h: Regenerate.
136 * config/avr/t-multilib: Regenerate.
137 * config/avr/avr-tables.opt: Regenerate.
139 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
141 PR tree-optimization/50561
142 * graphite-flattening.c (lst_project_loop): Do not
143 remove old scattering dimensions after flattening.
144 (lst_do_flatten): Likewise.
146 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
148 * doc/extend.texi (AVR Built-in Functions): Remove doc for
149 __builtin_avr_map8, __builtin_avr_map16.
150 Document __builtin_avr_insert_bits.
152 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
153 (insert_bits): New insn.
154 (adjust_len.map_bits): Rename to insert_bits.
155 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
156 * avr-protos.h (avr_out_map_bits): Remove.
157 (avr_out_insert_bits, avr_has_nibble_0xf): New.
158 * config/avr/constraints.md (Cxf,C0f): New.
159 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
160 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
161 New built-in define __BUILTIN_AVR_INSERT_BITS.
162 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
163 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
164 (avr_move_bits): Rewrite.
165 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
167 (avr_map_op_t): New typedef.
168 (avr_map_op): New static variable.
169 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
170 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
171 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
172 (bdesc_3arg, avr_expand_triop_builtin): New.
173 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
174 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
175 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
176 (avr_map_equal_p, avr_map_sig_p): Remove.
177 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
178 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
179 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
180 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
181 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
182 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
184 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
186 * config/c6x/c6x.md (reserve_cycles): New attribute.
187 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
188 don't reserve functional units after the branch occurs.
190 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
193 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
194 functions into non-tm_pure functions.
196 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
199 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
200 (iterative_hash_canonical_type): Likewise.
201 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
204 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
206 * haifa-sched.c (prune_ready_list): Ensure that if there is a
207 sched-group insn, it either remains alone or the entire list is
210 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
212 * doc/install.texi (Prerequisites): Fix grammar.
213 (Configuration): Likewise.
215 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
217 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
218 MPC as part of GCC before describing configuring with --with-gmp etc.
219 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
222 2012-02-14 Jakub Jelinek <jakub@redhat.com>
225 * dwarf2out.c (clone_tree_hash): New function.
226 (copy_decls_walk): Use it instead of clone_tree.
228 2012-02-14 Richard Guenther <rguenther@suse.de>
230 PR tree-optimization/52244
231 PR tree-optimization/51528
232 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
233 replacements for integral types.
235 2012-02-14 Walter Lee <walt@tilera.com>
237 * config.gcc: Handle tilegx and tilepro.
238 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
240 Add HAVE_AS_TLS check for tilegx and tilepro.
241 * configure: Regenerate.
242 * doc/contrib.texi: Add Mat Hostetter and self.
243 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
244 Document instruction intrinsics and network accessing intrinsics.
245 (TILEPro Built-in Functions): New node. Document instruction
246 intrinsics and network accessing intrinsics.
247 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
248 (Specific, tilepro-*-linux*): Likewise.
249 * doc/invoke.texi (TILE-Gx Options): New section.
250 (TILEPro Options): New section.
251 * doc/md.texi (TILE-Gx): New section.
252 (TILEPro): New section.
253 * common/config/tilegx/tilegx-common.c: New file.
254 * common/config/tilepro/tilepro-common.c: New file.
255 * config/tilegx/constraints.md: New file.
256 * config/tilegx/linux.h: New file.
257 * config/tilegx/mul-tables.c: New file.
258 * config/tilegx/predicates.md: New file.
259 * config/tilegx/sync.md: New file.
260 * config/tilegx/t-tilegx: New file.
261 * config/tilegx/tilegx-builtins.h: New file.
262 * config/tilegx/tilegx-c.c: New file.
263 * config/tilegx/tilegx-generic.md: New file.
264 * config/tilegx/tilegx-modes.def: New file.
265 * config/tilegx/tilegx-multiply.h: New file.
266 * config/tilegx/tilegx-protos.h: New file.
267 * config/tilegx/tilegx.c: New file.
268 * config/tilegx/tilegx.h: New file.
269 * config/tilegx/tilegx.md: New file.
270 * config/tilegx/tilegx.opt: New file.
271 * config/tilepro/constraints.md: New file.
272 * config/tilepro/gen-mul-tables.cc: New file.
273 * config/tilepro/linux.h: New file.
274 * config/tilepro/mul-tables.c: New file.
275 * config/tilepro/predicates.md: New file.
276 * config/tilepro/t-tilepro: New file.
277 * config/tilepro/tilepro-builtins.h: New file.
278 * config/tilepro/tilepro-c.c: New file.
279 * config/tilepro/tilepro-generic.md: New file.
280 * config/tilepro/tilepro-modes.def: New file.
281 * config/tilepro/tilepro-multiply.h: New file.
282 * config/tilepro/tilepro-protos.h: New file.
283 * config/tilepro/tilepro.c: New file.
284 * config/tilepro/tilepro.h: New file.
285 * config/tilepro/tilepro.md: New file.
286 * config/tilepro/tilepro.opt: New file.
288 2012-02-14 Jakub Jelinek <jakub@redhat.com>
290 PR tree-optimization/52210
291 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
292 vect_model_simple_cost with two entry vect_def_type array instead
295 2012-02-14 Richard Guenther <rguenther@suse.de>
298 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
299 Do not stream DECL_QUALIFIER.
300 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
301 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
302 (find_decls_types_r): Do not walk DECL_QUALIFIER.
304 2012-02-14 Jakub Jelinek <jakub@redhat.com>
307 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
310 2012-02-13 Jakub Jelinek <jakub@redhat.com>
313 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
314 * cselib.c (cselib_subst_to_values_from_insn): New function.
315 * sched-deps.c (add_insn_mem_dependence,
316 sched_analyze_1, sched_analyze_2): Use it.
318 2012-02-13 Jan Hubicka <jh@suse.cz>
321 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
323 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
325 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
326 (GTM_SELF_SPECS): Define if not already defined.
327 (driver_self_specs): Add GTM_SELF_SPECS.
328 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
329 (GTM_SELF_SPECS): Define.
330 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
331 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
333 2012-02-13 Jakub Jelinek <jakub@redhat.com>
335 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
338 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is
342 * omp-low.c (expand_omp_for): If a static schedule without
343 chunk size has NULL region->cont, force fd.chunk_size to be
346 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
349 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
351 2012-02-13 Richard Guenther <rguenther@suse.de>
354 * passes.c (enable_disable_pass): Fix typo.
356 2012-02-13 Jakub Jelinek <jakub@redhat.com>
359 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
360 XOR for reduce_bit_field if type is unsigned.
362 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
364 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
365 disallow changes from SFmode to mode with different size in FP regs.
367 2012-02-12 Robert Millan <rmh@gnu.org>
368 Gerald Pfeifer <gerald@pfeifer.com>
370 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
373 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
375 PR rtl-optimization/52175
376 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
377 to frame-related instructions.
379 2012-02-10 Jason Merrill <jason@redhat.com>
382 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
383 (demangle_new_symbols): Fill it.
384 (scan_linker_output): Walk it.
385 (start_tweaking): Split out from scan_linker_output.
386 (maybe_tweak): Update sym->chosen.
387 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
389 2012-02-11 Jakub Jelinek <jakub@redhat.com>
392 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
395 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
397 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
398 having the same mode as previous compare.
400 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
402 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
403 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
404 (nonlocal_goto_internal): Likewise.
405 (nonlocal_goto): Emit a use and an indirect jump directly.
407 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
410 * doc/extend.texi : Update comments for __atomic_compare_exchange and
411 __atomic_{is,always}_lock_free.
413 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
416 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
417 negative constant address for x32.
419 2012-02-10 Richard Henderson <rth@redhat.com>
421 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
422 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
423 for GIMPLE_TRANSACTION. Tidy if's into a switch.
425 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
426 Ira Rosen <irar@il.ibm.com>
428 PR tree-optimization/50031
429 * targhooks.c (default_builtin_vectorization_cost): Handle
431 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
432 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
433 all types of reduction and pattern statements.
434 (vect_estimate_min_profitable_iters): Likewise.
435 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
436 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
437 for explicit realigns.
438 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
439 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
441 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
442 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
443 vec_perm for VSX and handle vec_promote_demote.
445 2012-02-10 Jakub Jelinek <jakub@redhat.com>
448 * builtins.c (fold_builtin_atomic_always_lock_free,
449 expand_builtin_atomic_always_lock_free,
450 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
451 Return and/or test boolean_true_node/boolean_false_node instead of
452 integer_one_node/integer_zero_node.
454 2012-02-10 Jan Hubicka <jh@suse.cz>
457 * predict.c (predict_paths_for_bb): Prevent looping.
458 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
460 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
462 * config/arm/arm.c (output_move_double): In one case properly
463 count number of instructions that will be emitted.
465 2012-02-10 Richard Guenther <rguenther@suse.de>
468 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
470 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
473 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
475 2012-02-09 Jakub Jelinek <jakub@redhat.com>
478 * var-tracking.c (emit_note_insn_var_location): If
479 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
480 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
481 non-NOTE_DURING_CALL_P insn.
483 2012-02-09 Bin Cheng <bin.cheng@arm.com>
486 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
488 2012-02-08 Magnus Granberg <zorry@gentoo.org>
491 * gcc.c (switch_matches) Support switches with separated form,
494 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
496 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
499 * config/avr/avr.c (avr_addr_t): New typedef.
500 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
501 (avr_init_expanders): Initialize it.
502 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
504 (expand_epilogue): Ditto.
505 (avr_print_operand): Ditto.
506 (avr_file_start): Ditto.
507 (avr_emit_movmemhi): Ditto.
509 2012-02-08 Richard Guenther <rguenther@suse.de>
511 PR tree-optimization/46886
512 * tree-flow.h (do_while_loop_p): Declare.
513 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
514 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
516 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
518 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
519 always succeed for integers larger than a native word.
521 2012-02-08 Richard Guenther <rguenther@suse.de>
523 PR rtl-optimization/52170
524 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
525 properly handle integer vector modes.
527 2012-02-08 Jakub Jelinek <jakub@redhat.com>
529 PR gcov-profile/52150
530 * coverage.c: Include target.h.
531 (build_var): Call targetm.strip_name_encoding on the assembler name.
532 Change one _ into . or $ if the target allows it.
533 * Makefile.in (coverage.o): Depend on $(TARGET_H).
535 PR rtl-optimization/52139
536 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
537 is a BARRIER after emit_insn_after_noloc, move BB_END
538 to the last non-BARRIER insn before it.
540 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
543 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
544 (mips_gimplify_va_arg_expr): Call it instead of
545 std_gimplify_va_arg_expr.
547 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
549 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
550 message for -mno-pointers-to-nested-function.
552 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
555 * expr.c (get_inner_reference): If there is an offset, add a negative
556 bit position to it (if any).
558 2012-02-07 Jakub Jelinek <jakub@redhat.com>
560 PR rtl-optimization/52060
561 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
562 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
563 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
564 and/or i0src_copy2 when needed.
566 2012-02-07 Jakub Jelinek <jakub@redhat.com>
568 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
569 or LTOPLUGINSONAME if have_c.
571 * config/freebsd-spec.h: Add comment about what macros can be defined
573 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
574 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
577 2012-02-07 Richard Guenther <rguenther@suse.de>
579 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
580 newline in -alias dumps.
582 2012-02-07 Kai Tietz <ktietz@redhat.com>
583 Dave Korn <dave.korn.cygwin@gmail.com>
586 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
587 Take care that typinfo gets dllexport-attribute.
589 2012-02-07 Jakub Jelinek <jakub@redhat.com>
592 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
593 if modifier < EXPAND_SUM call force_operand on the result.
595 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
597 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
598 adding __forwarder_dst__ prefix if a forwarder_section attribute is
600 (epiphany_function_type): Replace types for specific interrupts with
601 EPIPHANY_FUNCTION_INTERRUPT.
602 (EPIPHANY_INTERRUPT_P): Update.
603 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
605 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
606 <disinterrupt>: Affects type identity.
607 (epiphany_handle_interrupt_attribute): Handle variable number of
609 (epiphany_compute_function_type): Update for new
610 epiphany_function_type definition.
611 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
612 handlers with a longcall forwarder.
613 (epiphany_start_function): Handle multiple interrupt arguments and/or
614 forwarder_section attribute.
616 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
619 2012-02-07 Alan Modra <amodra@gmail.com>
622 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
625 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
627 PR tree-optimization/50969
628 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
629 use vec_perm rather than vector_stmt.
630 (vect_model_load_cost): Likewise.
631 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
632 vec_perm to be the same as other vector statements.
633 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
634 cost of vec_perm for TARGET_VSX.
636 2012-02-06 Richard Guenther <rguenther@suse.de>
638 PR tree-optimization/52115
639 * tree-sra.c (access_has_replacements_p): New function.
640 (sra_modify_assign): Use it to decide whether a use is uninitialized.
642 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
645 * trans-mem.c (expand_call_tm): Add an assertion.
646 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
649 2012-02-06 Richard Guenther <rguenther@suse.de>
651 PR tree-optimization/50955
652 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
653 raise cost of expressions that replace an address with an
654 expression based on a different pointer.
656 2012-02-06 Jakub Jelinek <jakub@redhat.com>
659 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
660 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
662 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
665 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
666 -Weffc++ and specify guidelines come from second edition.
668 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
670 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
671 (sibcall_value_multiple_internal, call_split, call_internal_direct)
672 (call_direct_split, call_value_split, call_value_internal_direct)
673 (call_value_direct_split, call_value_multiple_split): Use jal and
674 jal_macro attributes.
676 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
678 * reload1.c (reload_regs_reach_end_p): Replace with...
679 (reload_reg_rtx_reaches_end_p): ...this function.
680 (new_spill_reg_store): Update commentary.
681 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
682 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
683 before setting new_spill_reg_store.
684 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
685 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
686 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
687 for non-spill reload registers.
689 2012-02-05 Ira Rosen <irar@il.ibm.com>
691 PR tree-optimization/52091
692 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
693 (vect_is_simple_use_1): Likewise.
694 * tree-vect-loop.c (vectorizable_reduction): Update calls
695 to vect_is_simple_use_1 and vect_is_simple_use.
696 (vectorizable_live_operation): Likewise.
697 * tree-vect-patterns.c (widened_name_p,
698 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
699 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
700 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
701 vectorizable_shift,vectorizable_operation, vectorizable_store,
702 vectorizable_load): Likewise.
703 (vect_is_simple_cond): Add an argument, pass it to
704 vect_is_simple_use_1.
705 (vectorizable_condition): Update calls to vect_is_simple_cond,
707 (vect_is_simple_use): Add an argument, the statement in which
708 OPERAND is used. Check that if OPERAND's def stmt is a double
709 reduction phi node, the use is a phi node too.
710 (vect_is_simple_use_1): Add an argument, pass it to
712 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
713 to vect_is_simple_use.
715 2012-02-04 Jakub Jelinek <jakub@redhat.com>
717 PR rtl-optimization/52095
718 * modulo-sched.c (dump_insn_locator): New function.
719 (loop_canon_p, sms_schedule): Use it.
721 PR rtl-optimization/52113
722 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
723 even for decomposable shift/zext insns.
725 2012-02-03 Jakub Jelinek <jakub@redhat.com>
726 Zdenek Dvorak <ook@ucw.cz>
728 PR rtl-optimization/52092
729 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
730 on get_iv_value result.
732 2012-02-02 Andrew Pinski <apinski@cavium.com>
736 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
738 2012-02-02 Jakub Jelinek <jakub@redhat.com>
741 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
743 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
745 PR rtl-optimization/49800
746 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
747 (sched_finish): Call regstat_free_n_sets_and_refs.
749 2012-02-02 Jia Liu <proljc@gmail.com>
751 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
754 2012-02-02 Jan Hubicka <jh@suse.cz>
755 Tom de Vries <tom@codesourcery.com>
758 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
759 * varpool.c (varpool_analyze_pending_decls): Likewise.
761 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
762 Jayant R Sonar <jayant.sonar@kpitcummins.com>
764 * config.gcc: Add cr16-* support.
766 * doc/extend.texi: Document cr16 extensions.
767 * doc/install.texi: Document cr16 install.
768 * doc/invoke.texi: Document cr16 options.
769 * doc/md.texi: Document cr16 constraints.
771 * common/config/cr16/cr16-common.c: New file.
772 * config/cr16/cr16.c: New file.
773 * config/cr16/cr16.h: New file.
774 * config/cr16/cr16.md: New file.
775 * config/cr16/cr16.opt: New file.
776 * config/cr16/cr16-protos.h: New file.
777 * config/cr16/predicates.md: New file.
778 * config/cr16/constraints.md: New file.
779 * config/cr16/t-cr16: New file.
781 2012-02-02 Jakub Jelinek <jakub@redhat.com>
784 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
785 that operands[2] is either immediate, or q_regs_operand.
787 PR tree-optimization/52073
788 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
789 a pattern stmt for pattern uses, ignore uses outside of the loop.
791 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
793 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
794 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
795 (OUT_AS1, OUT_AS2): Remove.
797 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
799 PR rtl-optimization/51374
800 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
801 to cross other volatile_refs_p insns.
803 2012-02-01 Richard Guenther <rguenther@suse.de>
805 * doc/invoke.texi (fno-inline): Clarify documentation.
806 (finline-small-functions): Likewise.
807 (finline-functions): Likewise.
808 * common.opt (finline): Adjust comment and documentation.
809 (finline-small-functions): Clarify documentation.
810 (finline-functions): Likewise.
811 (finline-functions-called-once): Likewise.
813 2012-02-01 Tristan Gingold <gingold@adacore.com>
815 * c-typeck.c (composite_type): Keep mode for pointers.
817 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
819 * function.h (regno_reg_rtx): Adjust comment.
820 * reginfo.c (init_reg_modes_target): Only use the previous mode
821 if it fits within one register. Remove MIPS comment.
823 2012-01-31 Jakub Jelinek <jakub@redhat.com>
826 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
828 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
830 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
833 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
835 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
837 2012-01-31 Jakub Jelinek <jakub@redhat.com>
842 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
844 2012-01-31 Richard Guenther <rguenther@suse.de>
846 PR tree-optimization/51528
847 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
850 2012-01-31 Jakub Jelinek <jakub@redhat.com>
855 * ree.c (add_removable_extension): Change def_map argument
856 to unsigned *, store in def_map 1 + offset into *insn_list vector
857 instead of pointers into the vector.
858 (find_removable_extensions): Adjust caller.
860 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
862 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
863 Transform all "* quoted-c-code" to { c-code }.
864 Remove redundant test for "optimize" in combine patterns.
865 Move (include "avr-dimode.md") to end of file.
867 2012-01-30 Bin Cheng <bin.cheng@arm.com>
870 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
871 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
873 2012-01-30 Richard Guenther <rguenther@suse.de>
875 PR tree-optimization/52028
876 * tree-loop-distribution.c (ldist_gen): Properly update
879 2012-01-30 Jakub Jelinek <jakub@redhat.com>
882 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
883 set_cur_line_info_table if not emitting debug info.
885 PR tree-optimization/52046
886 * tree-vect-patterns.c (check_bool_pattern): Give up if
887 a comparison could throw.
890 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
892 2012-01-30 Richard Guenther <rguenther@suse.de>
894 PR tree-optimization/52045
895 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
896 SSA form if cfgcleanup did anything.
898 2012-01-30 Richard Guenther <rguenther@suse.de>
900 PR tree-optimization/52045
901 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
902 before computing final todo.
904 2012-01-30 Richard Guenther <rguenther@suse.de>
906 PR tree-optimization/51528
907 * tree-sra.c (sra_modify_assign): Re-factor in preparation
910 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
912 * df-problems.c (df_kill_notes): Check that the use refers
913 to the note under examination.
915 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
918 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
919 parameter and use short-lived pseudos.
920 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
921 (sparc_expand_vector_init): Const-ify local variables and adjust
922 calls to above functions.
924 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
926 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
928 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
930 * doc/invoke.texi: Make usage of "compile time" and
931 "run time"/"runtime" consistent throughout the file.
933 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
935 * config/alpha/alpha.c (alpha_option_override): Default to
936 full IEEE compliance mode for Go language.
938 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
940 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
941 (LINK_SSP_SPEC): Define.
943 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
946 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
949 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
951 * doc/invoke.texi: Correct hyphenation of "floating point",
952 "double precision", and related terminology throughout the file.
954 2012-01-28 Jakub Jelinek <jakub@redhat.com>
957 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
958 arm_general_register_operand predicate for operand 2 instead of
961 2012-01-27 Ian Lance Taylor <iant@google.com>
964 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
965 * builtins.c (expand_builtin_init_trampoline): Add onstack
966 parameter. Change caller.
967 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
968 * tree.c (build_common_builtin_nodes): Declare
969 __builtin_init_heap_trampoline.
971 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
973 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
974 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
975 * config/avr/avr.c: Ditto.
976 (avr_regnames): Remove because unused.
977 * config/avr/avr.md (*cpse.ne): New peephole.
978 (*cpse.eq): New peephole from former cpse peepholes.
980 2012-01-27 Michael Eager <eager@eagercon.com>
982 * config/microblaze.c (microblaze_emit_compare): Correct
983 test after pcmp instruction.
985 2012-01-27 Richard Guenther <rguenther@suse.de>
987 PR tree-optimization/52020
988 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
990 2012-01-27 Richard Guenther <rguenther@suse.de>
992 * ipa-pure-const.c (check_stmt): Clobbers do not make a
993 function non-const/pure.
995 2012-01-27 Richard Guenther <rguenther@suse.de>
997 PR tree-optimization/50444
998 * tree-sra.c (build_ref_for_offset): Properly adjust the
999 MEM_REF type for unaligned accesses.
1001 2012-01-27 Richard Guenther <rguenther@suse.de>
1003 PR tree-optimization/50444
1004 * expr.c (mem_ref_refers_to_non_mem_p): New function.
1005 (expand_assignment): Use it. Properly handle misaligned
1006 bases when expanding stores to component references.
1007 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1010 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
1013 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1014 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1015 * tree-data-ref.c (find_data_references_in_loop): Make static.
1016 (compute_all_dependences): Change return type to bool. Bail out
1017 for too many datarefs in a loop. Move the hunk resetting the data
1018 dependences vector from ...
1019 (compute_data_dependences_for_loop): ... here. Account for
1020 compute_all_dependences returning false.
1021 (compute_data_dependences_for_bb): Likewise.
1022 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1023 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1025 2012-01-27 Richard Guenther <rguenther@suse.de>
1028 * expr.c (store_field): Use the alias-set of the scratch memory
1031 2012-01-27 Tom de Vries <tom@codesourcery.com>
1033 PR tree-optimization/51990
1034 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1036 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1038 2012-01-27 Jakub Jelinek <jakub@redhat.com>
1041 * var-tracking.c (reverse_op): Don't add any reverse operation
1042 if V already has any constant locations.
1044 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1046 * doc/invoke.texi: Correct usage of "command line" (noun)
1047 vs "command-line" (adjective) throughout.
1049 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1051 * doc/invoke.texi (Language Independent Options): Move
1052 -Wcoverage-mismatch blurb from here....
1053 (Warning Options): ...to here.
1055 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
1057 * config/rs6000/rs6000.c (rs6000_option_override_internal):
1058 Set rs6000_always_hint to false for 476.
1060 2012-01-27 Matthias Klose <doko@ubuntu.com>
1062 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1064 * incpath.c (add_standard_paths): Likewise.
1066 2012-01-27 Richard Henderson <rth@redhat.com>
1068 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1069 * config/m68k/sync.md (atomic_test_and_set): Rename from
1070 sync_test_and_setqi and adjust the operands.
1071 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1072 and unconditionally enable.
1074 2012-01-27 Richard Henderson <rth@redhat.com>
1076 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1077 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1078 (ldstub): Rename from ldstubqi.
1079 (ldstub<I24MODE>): Remove.
1081 2012-01-27 Richard Henderson <rth@redhat.com>
1083 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1084 * c-cppbuiltin.c (cpp_atomic_builtins): Define
1085 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1086 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1087 * doc/tm.texi: Rebuild.
1089 2012-01-27 Richard Henderson <rth@redhat.com>
1091 * optabs.c (gen_atomic_test_and_set): Remove default.
1092 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1094 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1096 PR rtl-optimization/51978
1097 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1098 (combine_reaching_defs): Likewise.
1099 (struct re_info): Remove.
1100 (add_removable_extension): Remove x and data arguments,
1101 add insn, insn_list and def_map. Use the arguments directly
1102 instead of using struct re_info.
1103 (find_removable_extensions): Don't call add_removable_extension
1104 through note_stores, instead just call it with single_set
1106 (find_and_remove_re): Pass curr_cand->expr instead of
1107 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1109 2012-01-26 Michael Matz <matz@suse.de>
1111 PR tree-optimization/46590
1112 * cfgexpand.c: Revert last change (r183305).
1113 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1115 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1116 checking for emptiness.
1118 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1121 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1122 non-addressable non-BLKmode base correctly.
1124 2012-01-26 Michael Matz <matz@suse.de>
1126 PR tree-optimization/48794
1127 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1128 regions referenced from RESX/EH_DISPATCH.
1130 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1132 * config/s390/s390.h: Make BRANCH_COST an option.
1133 * config/s390/s390.opt: New option -mbranch-cost.
1135 2012-01-26 Richard Henderson <rth@redhat.com>
1137 Revert 2012-01-24 change:
1138 * trans-mem.c (requires_barrier): Do not instrument thread local
1139 variables and emit save/restore for them.
1141 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1144 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1147 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
1149 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1152 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
1155 Rename __pgm to __flash.
1156 Rename __pgm1 to __flash1.
1157 Rename __pgm2 to __flash2.
1158 Rename __pgm3 to __flash3.
1159 Rename __pgm4 to __flash4.
1160 Rename __pgm5 to __flash5.
1161 Rename __pgmx to __memx.
1162 * doc/extend.texi (AVR Named Address Spaces)
1163 Rename address space names as indicated above.
1164 * config/avr/avr.c (avr_addrspace): Ditto.
1166 * config/avr/avr-protos.h
1167 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1168 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1169 * config/avr/predicates.md: Ditto.
1170 * config/avr/avr.c Ditto, and
1171 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1172 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1174 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1175 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1176 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1177 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1178 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1179 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1180 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1181 * config/avr/avr.c: Ditto.
1182 * config/avr/avr.md: Ditto.
1184 2012-01-25 Jason Merrill <jason@redhat.com>
1187 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1189 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1191 PR tree-optimization/51987
1192 * tree-data-ref.c (get_references_in_stmt): Handle references in
1193 non-volatile GIMPLE_ASM.
1195 2012-01-25 Richard Guenther <rguenther@suse.de>
1197 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1198 bases are dereferenced.
1200 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1202 PR rtl-optimization/48374
1203 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1205 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1207 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1208 compute_data_dependences_for_loop returns false.
1209 * tree-parloops.c (loop_parallel_p): Likewise.
1211 2012-01-25 Richard Guenther <rguenther@suse.de>
1213 * tree.h (get_pointer_alignment_1): Declare.
1214 * builtins.c (get_pointer_alignment_1): New function.
1215 (get_pointer_alignment): Use it.
1217 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1219 PR rtl-optimization/48308
1220 * combine.c (enum undo_kind): Add UNDO_LINKS.
1221 (struct undo): Add member l to other_contents and where.
1222 (do_SUBST_LINK): New.
1224 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1225 (undo_all): Handle UNDO_LINKS.
1227 2012-01-25 Richard Henderson <rth@redhat.com>
1229 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1232 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1234 * optabs.c (gen_atomic_test_and_set): Use each argument.
1236 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1238 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1239 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1240 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1241 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1242 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1243 TARGET_PAIRED_SINGLE_FLOAT.
1245 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1247 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1248 (in_struct, return_val): Remove MEM documentation.
1249 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1250 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1251 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1253 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1254 * cfgexpand.c (add_alias_set_conflicts): Likewise.
1255 * expr.c (store_field): Likewise.
1256 * function.c (assign_stack_temp_for_type): Likewise.
1257 * ifcvt.c (noce_try_cmove_arith): Likewise.
1258 * reload1.c (reload): Likewise.
1259 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1260 (alpha_set_memflags): Likewise.
1261 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1263 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1265 * rtl.h (true_dependence, canon_true_dependence): Remove varies
1267 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1268 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1269 (true_dependence_1, true_dependence, canon_true_dependence): Remove
1271 * cselib.c (cselib_rtx_varies_p): Delete.
1272 (cselib_invalidate_mem): Update call to canon_true_dependence.
1273 * dse.c (record_store, check_mem_read_rtx): Likewise.
1274 (scan_reads_nospill): Likewise.
1275 * cse.c (check_dependence): Likewise.
1276 (cse_rtx_varies_p): Delete.
1277 * expr.c (safe_from_p): Update call to true_dependence.
1278 * ira.c (validate_equiv_mem_from_store): Likewise.
1279 (memref_referenced_p): Likewise.
1280 * postreload-gcse.c (find_mem_conflicts): Likewise.
1281 * sched-deps.c (sched_analyze_2): Likewise.
1282 * store-motion.c (load_kills_store): Likewise.
1283 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1284 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1285 (compute_transp): Update call to canon_true_dependence.
1287 2012-01-25 Richard Henderson <rth@redhat.com>
1289 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1290 (maybe_emit_atomic_test_and_set): New.
1291 (expand_sync_lock_test_and_set): Use it.
1292 (expand_atomic_test_and_set): Likewise.
1293 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1294 the implementation; clarify implementation defined details.
1295 * doc/md.texi (atomic_test_and_set): Document.
1297 2012-01-25 Richard Henderson <rth@redhat.com>
1299 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1301 2012-01-25 Richard Henderson <rth@redhat.com>
1304 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1305 to effect no-op split.
1307 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1310 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1311 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1312 (BT_FN_VOID_PTR_INT_SIZE): New.
1313 (BT_FN_UINT_UINT_VAR): Remove.
1314 (BT_FN_UINT32_UINT32_VAR): New.
1315 (BT_FN_DOUBLE_VPTR): Remove.
1316 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1318 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1319 (_ITM_changeTransactionMode): Same.
1320 (_ITM_memmoveRtWt): Change return type to void.
1321 (_ITM_memcpyRtWt): Same.
1322 (_ITM_memsetW): Same.
1323 (_ITM_RaRD): Change types to double.
1328 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1330 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1331 Patrick Marlier <patrick.marlier@gmail.com>
1333 * trans-mem.c (requires_barrier): Do not instrument thread local
1334 variables and emit save/restore for them.
1336 2012-01-24 Jason Merrill <jason@redhat.com>
1339 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1340 output static aliases.
1342 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1345 * common.opt (-pie, -shared, pie, shared): Change from Common to
1347 * gcc.c (display_help): Display help for -pie and -shared.
1349 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1352 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1353 Remove note on size/offset limitation.
1354 (AVR Variable Attributes): Add example how to read data located
1355 with progmem. Refer to named address spaces.
1356 * doc/invoke.texi (AVR Options): Fix typo.
1358 2012-01-24 Richard Guenther <rguenther@suse.de>
1360 Forward-port to trunk
1361 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1364 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1365 op0 isn't sufficiently aligned and there is movmisalignM
1366 insn for mode, use it to load op0 into a temporary register.
1368 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1371 * target.def (const_not_ok_for_debug_p): New hook.
1372 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1374 * doc/tm.texi: Regenerated.
1375 * dwarf2out.c (const_ok_for_output_1): If
1376 targetm.const_not_ok_for_debug_p returns true, fail.
1377 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1379 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1381 2012-01-23 Kai Tietz <ktietz@redhat.com>
1384 * config/i386/predicates.md (symbolic_operand): Allow
1385 UNSPEC_PCREL as PIC expression for lea.
1386 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1387 * config/i386/i386.c (ix86_delegitimize_address): Handle
1388 UNSPEC_PCREL for none-MEM, too.
1390 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1392 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1393 (ipa_tm_create_version_alias): Same.
1395 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1398 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1399 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1401 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1402 Patrick Marlier <patrick.marlier@gmail.com>
1403 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1406 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1407 simple_object_start_read.
1409 2012-01-23 Richard Guenther <rguenther@suse.de>
1412 PR tree-optimization/51895
1413 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1414 parameter decomposition into BLKmode components.
1416 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1418 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1419 fake variables for restrict-qualified pointers whose pointed-to type
1420 contains a placeholder.
1422 2012-01-23 Richard Guenther <rguenther@suse.de>
1424 PR tree-optimization/51949
1425 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1427 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1429 PR rtl-optimization/51933
1430 * ree.c (transform_ifelse): Return true right away if dstreg is
1431 already wider or equal to cand->mode.
1432 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1433 (make_defs_and_copies_lists): Remove defs_list and copies_list
1434 arguments, add state argument, just truncate state->work_list
1435 instead of always allocating and freeing the vector. Assert that
1436 get_defs succeeds instead of returning 2. Changed return type to bool.
1437 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1438 have ext_src_mode, see if it has been modified already with the
1439 right kind of extension and has been extended before from the
1440 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1441 just return true. Remember the original mode in state->modified array.
1442 (combine_reaching_defs): Add state argument. Don't allocate and
1443 free here def_list, copied_list and vec vectors, instead just
1444 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1445 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1446 Add state variable, clear vectors in it, initialize state.modified
1447 if needed. Free all the vectors at the end and state.modified too.
1448 Don't skip a candidate if the extension expression has been modified.
1450 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1453 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1454 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1455 (extra_options) interix.opt -> i386/interix.opt"
1456 (extra_objs):Add winnt-stubs.o
1457 * configure.ac: Add interix to target_os .comm on PE check.
1458 * configure: Regenerate.
1459 * config/interix3.h: Delete and move bits to..
1460 * config/interix.h: Delete and move bits to..
1461 * config/i386/i386-interix3.h: Delete and move bits to..
1462 * config/i386/i386-interix.h: ..here.
1463 (TARGET_CPU_DEFAULT): Remove redefinition.
1464 (TARGET_ASM_CONSTRUCTOR): Undefine.
1465 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1466 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1467 (PTRDIFF_TYPE): Define.
1468 (LONG_DOUBLE_TYPE_SIZE): Define.
1469 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1470 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1471 (TARGET_SECTION_TYPE_FLAGS): Define.
1472 (ASM_DECLARE_FUNCTION_NAME): Define.
1473 (ASM_OUTPUT_EXTERNAL): Define.
1474 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1475 (ASM_OUTPUT_ALIGNED_BSS): Define.
1476 (PCC_BITFIELD_TYPE_MATTERS): Define.
1477 (USE_CONST_SECTION): Define.
1478 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1479 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1480 (SUPPORTS_ONE_ONLY): Remove.
1481 (I386_PE_STRIP_ENCODING): Define.
1482 * config/interix.opt: Delete and move bits to..
1483 * config/i386/interix.opt: ..here. New.
1484 (mpe-aligned-commons): Add.
1485 * config/i386/t-interix: Add copyright header.
1486 (winnt-stubs.o): Add rule.
1488 2012-01-22 Jason Merrill <jason@redhat.com>
1491 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1492 for extra name aliases.
1494 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1496 PR rtl-optimization/51924
1497 * ree.c (combine_set_extension): Improve debugging message.
1498 (combine_reaching_defs): Likewise.
1499 (get_defs): Rename confusingly named variable.
1500 (find_and_remove_re): Skip a candidate if the extension expression has
1503 2012-01-21 Robert Millan <rmh@gnu.org>
1504 Gerald Pfeifer <gerald@pfeifer.com>
1506 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1507 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1509 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1511 PR tree-optimization/51914
1512 * tree-vect-stmts.c (vectorizable_conversion): For
1513 cvt_type && modifier == WIDEN, put temporary with cvt_type
1514 at the beginning of vec_dsts and set vec_dest to temporary
1517 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1519 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1521 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1523 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1524 * config/rs6000/rs6000.c: Likewise.
1526 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1529 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1530 output_move_double on a copy of operands array.
1532 2012-01-20 Cary Coutant <ccoutant@google.com>
1533 Dodji Seketeli <dodji@redhat.com>
1536 * dwarf2out.c (copy_declaration_context): Return ref to parent
1537 of declaration DIE, if necessary.
1538 (remove_child_or_replace_with_skeleton): Add new parameter; update
1539 caller. Place skeleton DIE under parent DIE of original declaration.
1540 Move call to copy_declaration_context to here ...
1541 (break_out_comdat_types): ... from here.
1543 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1545 PR rtl-optimization/51856
1546 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1549 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1552 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1553 hints for neon loads and stores.
1555 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1559 * doc/extend.texi (Named Address Spaces): Split into subsections.
1560 (AVR Named Address Spaces): New subsection.
1561 (M32C Named Address Spaces): New subsection.
1562 (RL78 Named Address Spaces): New subsection.
1563 (SPU Named Address Spaces): New subsection.
1564 (Variable Attributes): New anchor "AVR Variable Attributes".
1565 (AVR Variable Attributes): Rewrite and avoid wording
1566 "address space" in this context.
1567 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1568 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1569 (AVR Built-in Macros): New subsubsection therein.
1570 * doc/md.texi (AVR constraints): Remove "C04", "R".
1572 2012-01-20 Richard Guenther <rguenther@suse.de>
1574 PR tree-optimization/51903
1575 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1576 when removing stmts.
1578 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1581 * config/arm/arm.c (arm_load_pic_register): Use
1582 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1583 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1584 (arm_pic_static_addr): Likewise.
1585 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1586 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1587 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1588 (pic_load_addr_unified): New.
1590 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1593 * function.c (instantiate_virtual_regs_in_insn): Use
1594 delete_insn_and_edges when removing a wrong asm insn.
1596 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1598 PR rtl-optimization/40761
1599 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1600 Add new member loop_num.
1601 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1602 (ira_build): Remove the parameter.
1604 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1605 (ira.c): Do not build CFG loops for one region allocation. Remove
1606 argument from ira_build call.
1608 * ira-build.c (init_loop_tree_node): New function.
1609 (create_loop_tree_nodes): Use it. Separate the case when CFG
1610 loops are not built.
1611 (more_one_region_p): Check current_loops.
1612 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1614 (add_loop_to_tree): Process loop equal to NULL too.
1615 (form_loop_tree): Separate the case when CFG loops are not built.
1616 Use explicitly number for the root.
1617 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1619 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1620 instead of loop->num.
1621 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1622 (mark_all_loops_for_removal): Ditto.
1623 (remove_unnecessary_regions): Separate the case when CFG loops
1625 (ira_build): Remove the parameter. Use explicit number of regions
1626 when CFG loops are not built.
1628 * ira-color.c (print_loop_title): Separate the case for the root node.
1629 Use loop_num instead of loop->num.
1630 (move_spill_restore): Use loop_num instead of loop->num.
1632 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1633 (change_loop): Ditto.
1634 (change_loop): Use loop_num instead of loop->num.
1636 * ira-lives.c (process_bb_node_lives): Ditto.
1638 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1640 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1642 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1645 * tree-mudflap.c (mf_artificial): New function.
1646 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1647 mx_register_decls, mudflap_enqueue_decl): Use it.
1650 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1651 numbers in the insn pattern.
1653 2012-01-19 Michael Matz <matz@suse.de>
1655 PR tree-optimization/46590
1656 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1657 use it in remembering which conflicts we already created.
1658 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1661 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1664 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1665 (merge_and_complain): Same.
1667 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1670 * config/initfini-array.h: Guard content of the header
1671 with #ifdef HAVE_INITFINI_ARRAY.
1672 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1673 Add initfini-array.h to tm_file here.
1674 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1675 * config.gcc: Don't add initfini-array.h to tm_file here.
1676 * configure: Regenerated.
1678 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1680 PR rtl-optimization/51505
1681 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1682 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1683 (df_note_bb_compute): Update the call to df_kill_notes.
1685 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1687 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1689 2012-01-18 Richard Guenther <rguenther@suse.de>
1691 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1692 of conversions to void *.
1694 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1695 Richard Sandiford <rdsandiford@googlemail.com>
1699 * optabs.h (simplify_expand_binop): Declare.
1700 * optabs.c (simplify_expand_binop): Make global.
1701 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1702 endian targets if the source cannot be exactly covered by word
1705 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1708 * hard-reg-set.h (struct hard_reg_set_container): New type.
1709 * target.h (struct hard_reg_set_container): Forward declare.
1710 * target.def (set_up_by_prologue): New target hook.
1711 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1712 * doc/tm.texi: Regenerated.
1713 * function.c (thread_prologue_and_epilogue_insns): Change
1714 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1715 Call targetm.set_up_by_prologue on it.
1716 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1717 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1719 2012-01-17 Nick Clifton <nickc@redhat.com>
1721 * config/rx/rx.c (rx_can_use_simple_return): New function.
1722 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1723 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1725 2012-01-17 Richard Guenther <rguenther@suse.de>
1728 * expr.c (expand_assignment): Take address-space information
1729 from the address operand of MEM_REF and TARGET_MEM_REF.
1730 (expand_expr_real_1): Likewise.
1732 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1734 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1735 reload dump is requested.
1737 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1740 * trans-mem.c (requires_barrier): Call may_be_aliased.
1742 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1744 PR tree-optimization/51877
1745 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1746 call arguments and fndecls compare equal, instead return false if they
1747 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1748 both SSA_NAMEs that are valueized the same, or they satisfy
1751 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1753 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1755 * configure: Regenerate.
1757 2012-01-16 Jan Hubicka <jh@suse.cz>
1761 * convert.c (convert_to_integer): Use fold_convert for
1762 converting an INTEGER_CST to integer type.
1764 2012-01-16 Jason Merrill <jason@redhat.com>
1767 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1769 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1772 * config/s390/s390.c (s390_chunkify_start): Don't skip
1773 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1774 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1775 If insn is followed by NOTE_INSN_VAR_LOCATION or
1776 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1777 Don't use location of note insns.
1779 PR tree-optimization/51865
1780 * tree-inline.c (tree_function_versioning): Call remap_decl
1781 on DECL_RESULT whenever it has VOID_TYPE_P type.
1783 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1785 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1786 for calls to locally-binding MIPS16 functions if only the return
1787 type uses float regs.
1789 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1790 Richard Sandiford <rdsandiford@googlemail.com>
1792 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1793 (SYMBOL_32_HIGH): Likewise.
1794 (mips_output_tls_reloc_directive): Declare.
1795 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1796 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1797 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1798 (mips_lo_relocs, mips_hi_relocs): Make extern.
1799 (mips16_stub_function): Move up file.
1800 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1801 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1802 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1803 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1804 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1805 (mips_get_tp): Add MIPS16 support.
1806 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1807 Generalize DTPREL and TPREL handling.
1808 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1809 Add MIPS16 TLS support.
1810 (mips_output_tls_reloc_directive): New function.
1811 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1812 * config/mips/predicates.md (symbolic_operand_with_high)
1813 (tls_reloc_operand): New predicates.
1814 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1815 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1816 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1817 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1818 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1819 (*tls_get_tp_mips16_call_<mode>): Likewise.
1821 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1823 PR rtl-optimization/51821
1824 * recog.c (peep2_find_free_register): Determine clobbered registers
1827 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1830 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1831 * config/avr/avr.c: Likewise.
1832 * config/avr/avr.h: Likewise.
1834 2012-01-13 Ian Lance Taylor <iant@google.com>
1837 * tree.h (TYPE_QUALS): Add cast to int.
1838 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1840 2012-01-13 Ian Lance Taylor <iant@google.com>
1842 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1843 comparing param_index to VEC_length result.
1845 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1847 * c-decl.c: Do not include tree-mudflap.h
1848 * tree-optimize.c: Likewise.
1849 * Makefile.in: Update dependencies.
1851 2012-01-13 Richard Guenther <rguenther@suse.de>
1854 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1855 variable-sized result always use RSO.
1857 2012-01-12 DJ Delorie <dj@redhat.com>
1859 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1860 pointer type, not just the default pointer type.
1862 2012-01-09 Richard Henderson <rth@redhat.com>
1863 Denis Chertykov <chertykov@gmail.com>
1866 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1867 * config/avr/avr.c (avr_can_eliminate): Simplify.
1868 (avr_initial_elimination_offset): Likewise.
1869 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1870 (expand_epilogue): Likewise.
1871 (avr_legitimize_address): Gut.
1872 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1873 (avr_hard_regno_nregs): New.
1874 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1875 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1876 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1877 add soft frame pointer.
1878 (CALL_USED_REGISTERS): Likewise.
1879 (REG_CLASS_CONTENTS): Likewise.
1880 (REGISTER_NAMES): Likewise.
1881 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1882 (HARD_FRAME_POINTER_REGNUM): New.
1883 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1884 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1885 remove the HARD_FRAME_POINTER self-elimination.
1887 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1890 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1891 DECL_EXTERNAL when checking for initializers of progmem variables.
1893 2012-01-12 Ira Rosen <irar@il.ibm.com>
1895 PR tree-optimization/51799
1896 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1897 that the last operation is a type demotion.
1899 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1901 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1902 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1904 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1907 * combine.c (distribute_notes): If i3 is a noreturn call,
1908 allow old_size to be equal to args_size and make sure the
1909 noreturn call gets REG_ARGS_SIZE note.
1910 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1911 on noreturn calls even when the delta is 0.
1913 2012-01-11 Nathan Sidwell <nathan@acm.org>
1915 * gcov.c (STRING_SIZE): Remove.
1916 (generate_results): Erase annotations for source files with no
1917 coverage information.
1919 (output_lines): Use it.
1921 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1923 * gimple.h (gimplify_body): Remove first argument.
1924 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1925 pointer set here, instead just pass DATA to walk_tree.
1926 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1927 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1928 (unvisit_body): Likewise, but with unmark_visited.
1929 (gimplify_body): Remove BODY_P argument and adjust.
1930 (gimplify_function_tree): Adjust call to gimplify_body.
1931 * omp-low.c (finalize_task_copyfn): Likewise.
1933 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1935 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1936 (build_function_type_skip_args): Delete.
1937 * tree.c (build_function_type_skip_args): Make static and add
1938 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1939 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1940 pass it to build_function_type_skip_args.
1941 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1942 (tree_function_versioning): Likewise.
1943 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1944 build_function_decl_skip_args.
1945 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1946 and pass it to build_function_decl_skip_args/tree_function_versioning.
1947 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1948 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1949 * trans-mem.c (ipa_tm_create_version): Likewise.
1950 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1951 * tree-inline.c (declare_return_variable): Remove always-true test.
1952 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1953 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1954 * ipa-split.c (split_function): Skip the return value for the split
1955 part if it doesn't return.
1957 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1959 PR tree-optimization/49642
1960 * ipa-split.c (forbidden_dominators): New variable.
1961 (check_forbidden_calls): New function.
1962 (dominated_by_forbidden): Likewise.
1963 (consider_split): Check for forbidden dominators.
1964 (execute_split_functions): Initialize and free forbidden
1965 dominators info; call check_forbidden_calls.
1967 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1969 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1971 2012-01-11 Nick Clifton <nickc@redhat.com>
1973 * config/rx/rx.md (return): Define pattern.
1975 2012-01-11 Richard Guenther <rguenther@suse.de>
1977 * doc/extend.texi (malloc attribute): Adjust according to
1980 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1981 Patrick Marlier <patrick.marlier@gmail.com>
1984 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1985 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1986 (ipa_tm_note_irrevocable): Same.
1987 (ipa_tm_scan_irr_block): Same.
1988 (ipa_tm_decrement_clone_counts): Same.
1989 (ipa_tm_scan_irr_function): Same.
1990 (ipa_tm_create_version_alias): Same.
1991 (ipa_tm_create_version): Same.
1992 (ipa_tm_transform_calls_redirect): Same.
1993 (ipa_tm_transform_calls): Same.
1994 (ipa_tm_transform_transaction): Same.
1995 (ipa_tm_execute): Same.
1997 2012-01-10 Richard Guenther <rguenther@suse.de>
2000 * opts.c (common_handle_option): Handle -Werror.
2002 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
2004 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2007 2012-01-10 Jason Merrill <jason@redhat.com>
2009 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2012 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2014 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2015 supports R_386_TLS_GD_PLT reloc.
2016 (gcc_cv_as_ix86_tlsldmplt): Check if linker
2017 supports R_386_TLS_LDM_PLT reloc.
2018 * configure: Regenerate.
2019 * config.in: Regenerate.
2021 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
2024 Extend __pgmx semantics to linearize memory.
2025 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2026 determine if code comes inline or from libgcc.
2027 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2028 (movmem_qi, movmem_qi): Set constraint #2 to "n".
2029 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2030 (movmemx_qi, movmemx_hi): New insns.
2031 (xload_<mode>_libgcc): Rewrite to new insn condition.
2032 (xload_<mode>): Remove insns.
2033 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2034 cases that don't satisfy avr_xload_libgcc_p().
2035 (avr_addr_space_convert): Allow converting in any direction.
2036 (avr_addr_space_subset_p): Return always true.
2037 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2038 (avr_emit_movmemhi): Ditto.
2039 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2040 (avr_out_movmem): Ditto.
2041 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2042 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2043 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2044 (avr_encode_section_info): Encode 'progmem' in symbol flags.
2045 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2047 2012-01-10 Richard Guenther <rguenther@suse.de>
2049 PR tree-optimization/50913
2050 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2051 Require data-refs to be representable by Graphite with respect
2054 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
2056 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2057 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2059 2012-01-10 Tom de Vries <tom@codesourcery.com>
2061 PR rtl-optimization/51271
2062 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2063 handling annulled branch.
2065 2012-01-10 Richard Henderson <rth@redhat.com>
2067 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2068 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2069 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2070 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2071 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2072 arm_expand_vec_perm_const): New.
2073 * config/arm/arm-protos.h: Update.
2074 * config/arm/neon.md (UNSPEC_VCONCAT): New.
2075 (*neon_vswp<VDQX>): New.
2076 (neon_vcombine<VDX>): Use neon_split_vcombine.
2077 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2078 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2079 (vec_perm<VE>): New.
2081 2012-01-10 Richard Henderson <rth@redhat.com>
2083 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2084 use it if reload_completed.
2085 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2086 arm_output_asm_insn, arm_process_output_memory_barrier,
2087 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2088 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2089 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2090 arm_process_output_sync_insn, arm_output_sync_insn,
2091 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2092 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2093 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2094 (emit_unlikely_jump): New.
2095 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2096 (arm_split_atomic_op): New.
2097 * config/arm/arm-protos.h: Update.
2098 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2099 (struct arm_sync_generator): Remove.
2100 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2101 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2102 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2103 (VUNSPEC_LL, VUNSPEC_SC): New.
2104 (sync_result, sync_memory, sync_required_value, sync_new_value,
2105 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2106 (attr length): Don't use arm_sync_loop_insns.
2107 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2108 (movsfcc, movdfcc): Likewise.
2109 * config/arm/constraints.md (Ua): New.
2110 * config/arm/prediates.md (mem_noofs_operand): New.
2111 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2112 (sync_clobber, sync_t2_reqd): Remove.
2113 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2114 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2115 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2116 (arm_sync_compare_and_swap<SIDI>): Remove.
2117 (arm_sync_compare_and_swap<NARROW>): Remove.
2118 (arm_sync_lock_test_and_set<SIDI>): Remove.
2119 (arm_sync_lock_test_and_set<NARROW>): Remove.
2120 (arm_sync_new_<syncop><SIDI>): Remove.
2121 (arm_sync_new_<syncop><NARROW>): Remove.
2122 (arm_sync_new_nand<SIDI>): Remove.
2123 (arm_sync_new_nand<NARROW>): Remove.
2124 (arm_sync_old_<syncop><SIDI>): Remove.
2125 (arm_sync_old_<syncop><NARROW>): Remove.
2126 (arm_sync_old_nand<SIDI>): Remove.
2127 (arm_sync_old_nand<NARROW>): Remove.
2128 (*memory_barrier): Merge arm_output_memory_barrier.
2129 (atomic_compare_and_swap<QHSD>): New.
2130 (atomic_compare_and_swap<NARROW>_1): New.
2131 (atomic_compare_and_swap<SIDI>_1): New.
2132 (atomic_exchange<QHSD>): New.
2133 (cas_cmp_operand, cas_cmp_str): New.
2134 (atomic_op_operand, atomic_op_str): New.
2135 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2136 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2137 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2138 (arm_load_exclusive<NARROW>): New.
2139 (arm_load_exclusivesi, arm_load_exclusivedi): New.
2140 (arm_store_exclusive<QHSD>): New.
2142 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2144 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2145 reload patterns if -mvsx-scalar-memory.
2147 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2148 generated, even -mno-vsx-scalar-double was used.
2149 (vsx_xscvdpsp_scalar): Likewise.
2150 (vsx_xscvspdp_scalar2): Likewise.
2152 2012-01-09 Tom de Vries <tom@codesourcery.com>
2153 Andrew Pinski <apinski@cavium.com>
2156 * reorg.c (fill_slots_from_thread): Don't speculate
2157 frame-related insns.
2159 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
2161 * sched-int.h (bb_note): Move to...
2162 * basic-block.h: ...here.
2163 * haifa-sched.c (bb_note): Move to...
2164 * cfgrtl.c: ...here.
2165 * function.c (next_block_for_reg): New function.
2166 (move_insn_for_shrink_wrap): Likewise.
2167 (prepare_shrink_wrap): Rewrite to use the above.
2169 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
2171 * gimple.c (is_gimple_non_addressable): Remove.
2172 * gimple.h: Remove is_gimple_non_addressable.
2173 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2174 is_gimple_non_addressable.
2175 * trans-mem.c (expand_assign_tm): Same.
2177 2012-01-09 Richard Guenther <rguenther@suse.de>
2179 PR tree-optimization/51775
2180 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2181 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2183 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2185 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2187 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2189 2012-01-09 Richard Guenther <rguenther@suse.de>
2191 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2193 2012-01-08 Jan Hubicka <jh@suse.cz>
2195 PR tree-optimize/51680
2196 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2197 on when known_vals needs to be computed; cleanup.
2199 2012-01-08 Jan Hubicka <jh@suse.cz>
2201 PR tree-optimize/51694
2202 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2204 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
2206 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2207 for -std=c++98 and -std=c++11 too.
2209 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
2211 * cfgloop.c (cancel_loop): Add free() of bbs array.
2213 2012-01-07 Jan Hubicka <jh@suse.cz>
2215 PR tree-optimization/51600
2216 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2217 that benefits small functions.
2219 2012-01-07 Jan Hubicka <jh@suse.cz>
2221 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2223 2012-01-07 Jan Hubicka <jh@suse.cz>
2225 PR tree-optimization/51680
2226 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2227 whose inlining reduce unit size.
2229 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2232 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2233 Add canonical node to containing_mem chain after the non-canonical
2234 one, even if there weren't any locs to propagate.
2235 (remove_useless_values): Keep only canonical values.
2236 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2237 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2238 canonicalize mem_chain elements that are not discarded.
2240 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2243 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2244 before emitting functions.
2246 PR gcov-profile/50127
2247 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2248 clear_aux_for_blocks.
2250 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
2253 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2255 2012-01-06 Arnaud Charlet <charlet@adacore.com>
2257 * c-decl.c (ext_block): Moved up.
2258 (collect_all_refs, for_each_global_decl): Take ext_block into account.
2260 2012-01-06 Han Shen <shenhan@google.com>
2262 Translate built-in include paths for sysroot.
2263 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2264 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2266 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2267 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2269 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2270 control whether sysroot should be prepended to gxx include dir.
2272 * configure: Regenerate.
2274 2012-01-06 Torvald Riegel <triegel@redhat.com>
2276 PR rtl-optimization/51771
2277 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2278 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2280 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2282 PR tree-optimization/51315
2283 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2284 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2286 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
2289 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2290 for shrp pattern. Correctly handle and fixup shift variable.
2291 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2293 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2296 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2297 note when !ACCUMULATE_OUTGOING_ARGS.
2299 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2301 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2303 (extract_range_from_unary_expr_1): Avoid useless computations.
2305 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2307 PR rtl-optimization/51767
2308 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2309 of jump_block and add an extra edge for degenerated asm gotos.
2312 * stmt.c (check_unique_operand_names): Don't ICE during error
2313 reporting if i is from labels chain.
2316 * profile.c (branch_prob): Split bbs that have exit edge
2317 and need a fake entry edge too.
2319 2012-01-05 Jan Hubicka <jh@suse.cz>
2322 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2325 2012-01-05 Richard Guenther <rguenther@suse.de>
2328 * tree-streamer-out.c (write_ts_optimization): New function.
2329 (streamer_write_tree_body): Call it.
2330 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2331 (streamer_read_tree_body): Call it.
2332 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2334 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2337 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2338 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2339 in_cleanup_point_expr before gimplify_stmt call and restore it
2341 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2342 in_cleanup_point_expr is false.
2344 2012-01-05 Richard Guenther <rguenther@suse.de>
2347 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2349 * toplev.c (process_options): Reject combining mudflap and LTO.
2350 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2352 2012-01-05 Richard Guenther <rguenther@suse.de>
2354 PR tree-optimization/51760
2355 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2357 (bit_value_unop): Handle UNDEFINED operands.
2358 (bit_value_binop): Likewise.
2360 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2362 * config/avr/avr.c (avr_replace_prefix): Remove.
2363 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2364 (avr_asm_function_rodata_section): Ditto.
2365 (avr_asm_select_section): Ditto.
2367 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2369 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2372 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2375 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2376 calls that have any non-fake successor edges.
2379 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2381 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2383 PR tree-optimization/51624
2384 * tree-sra.c (build_ref_for_model): When replicating a chain of
2385 COMPONENT_REFs, stop as soon as the offset would become negative.
2387 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2390 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2391 in .debug_loc on the floor.
2393 2012-01-04 Andrew Pinski <apinski@cavium.com>
2395 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2397 2012-01-04 Andrew Pinski <apinski@cavium.com>
2398 Adam Nemet <anemet@caviumnetworks.com>
2400 * config/mips/mips.md (size): Add SI and DI.
2401 (SIZE): New mode attribute.
2402 (U): New code attribute.
2403 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2404 (mips_lbux_<mode>): Delete.
2405 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2406 (mips_lhx): Use gen_mips_lhx_extsi.
2407 (mips_lhx_<mode>): Delete.
2409 (mips_l<size>x): New expand.
2410 (mips_lwx_<mode>): Delete.
2411 (mips_l<GPR:size>x_<P:mode>): New pattern.
2412 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2413 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2414 * config/mips/mips.c (mips_lx_address_p): New function.
2415 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2416 (dsp64): New availability predicate.
2417 (mips_builtins): Add an entry for __builtin_mips_ldx.
2418 * config/mips/mips.h (ISA_HAS_LBX): New define.
2419 (ISA_HAS_LBUX): Likewise.
2420 (ISA_HAS_LHX): Likewise.
2421 (ISA_HAS_LHUX): Likewise.
2422 (ISA_HAS_LWX): Likewise.
2423 (ISA_HAS_LWUX): Likewise.
2424 (ISA_HAS_LDX): Likewise.
2425 * doc/extend.texi (__builtin_mips_ldx): Document.
2427 2012-01-04 Tristan Gingold <gingold@adacore.com>
2429 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2430 when long pointers are used.
2431 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2432 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2433 (ia64-hp-*vms*): Remove.
2434 * config/vms/xm-vms64.h: Delete.
2436 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2439 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2441 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2443 * opts.c (finish_options): Remove duplicate sorry.
2445 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2448 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2451 2012-01-04 Richard Guenther <rguenther@suse.de>
2454 * tree.c (size_low_cst): New function.
2455 * tree.h (size_low_cst): Declare.
2456 * fold-const.c (fold_comparison): Use it to extract the low
2457 part of the POINTER_PLUS_EXPR offset.
2459 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2461 Fix clearing ZERO_REG
2462 * config/avr/avr.md (cc): Add alternative "ldi".
2463 (movqi_insn): Use it in cc attribute.
2464 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2465 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2466 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2468 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2470 * configure: Regenerate.
2472 2012-01-04 Richard Guenther <rguenther@suse.de>
2474 PR tree-optimization/49651
2475 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2476 (var_can_have_subvars): Use it.
2477 (get_constraint_for_1): Only consider subfields if there can be any.
2479 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2482 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2483 to its new canonical_cselib_val and the cselib_val was in
2484 first_containing_mem chain, but the canonical_cselib_val was not,
2485 add the latter into the chain.
2486 (cselib_invalidate_mem): Compare canonical_cselib_val of
2487 addr_list chain elt with v.
2490 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2491 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2493 (output_macinfo_op): Don't ggc_strdup fd->filename.
2494 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2495 then ggc_strdup it. Don't free inc->info or cur->info.
2496 (output_macinfo): Don't free ref->info or file->info.
2498 2012-01-03 Ira Rosen <irar@il.ibm.com>
2500 PR tree-optimization/51269
2501 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2502 first_niters a pointer.
2503 (slpeel_tree_peel_loop_to_edge): Likewise.
2504 (vect_do_peeling_for_loop_bound): Update call to
2505 slpeel_tree_peel_loop_to_edge.
2506 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2507 here. Remove it from the parameters list.
2508 (vect_do_peeling_for_alignment): Update calls and compute
2511 2012-01-03 Richard Guenther <rguenther@suse.de>
2513 PR tree-optimization/51070
2514 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2515 Properly handle calls.
2517 2012-01-03 Richard Guenther <rguenther@suse.de>
2519 PR tree-optimization/51692
2520 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2521 the LHS of allocation stmts.
2523 2012-01-03 Olivier Hainque <hainque@adacore.com>
2525 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2527 2012-01-03 Olivier Hainque <hainque@adacore.com>
2529 * collect2.c (main): In AIX specific computations for vector
2530 insertions, use CONST_CAST2 to cast from char ** to const char **.
2532 2012-01-03 Richard Guenther <rguenther@suse.de>
2535 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2536 the context of a limbo DIE when it does not already exist.
2538 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2540 PR tree-optimization/51719
2541 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2542 but direct call is, clear direct call's lhs and don't add fallthrough
2543 edge from dcall_bb to join_bb and PHIs.
2545 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2547 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2548 the instructions emitted by the pattern.
2549 ("*TDC_insn_<mode>"): Add comment.
2551 2012-01-03 Richard Guenther <rguenther@suse.de>
2554 * fold-const.c (fold_comparison): Properly canonicalize
2555 tree offset and HOST_WIDE_INT bit position.
2557 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2559 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2560 operands for extzv pattern.
2562 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2565 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2568 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2570 * doc/invoke.texi (-flto and related options): Copy-edit.
2572 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2574 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2576 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2578 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2581 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2583 * expr.h (move_by_pieces_ninsns): Declare.
2584 * expr.c (move_by_pieces_ninsns): Make external.
2585 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2586 (mips_store_by_pieces_p): Likewise.
2587 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2588 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2589 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2590 (mips_store_by_pieces_p): Likewise.
2592 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2594 * passes.c (register_one_dump_file): Free full_name.
2596 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2597 (calculate_elim_costs_all_insns): Free offsets_at and
2598 offsets_known_at at the end and clear the pointers.
2600 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2602 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2603 this option introduced in r180739.
2605 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2608 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2609 (tmake_file target=avr): Add avr/t-multilib.
2611 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2612 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2613 * config/avr/genmultilib.awk: New file.
2614 * config/avr/t-multilib: New auto-generated file.
2615 * config/avr/multilib.h: New auto-generated file.
2616 * config/avr/t-avr (AVR_MCUS): New variable.
2617 (genopt.sh): Use it.
2618 (s-mlib): Depend on t-multilib.
2619 (t-multilib, multilib.h): New dependencies.
2620 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2621 (MULTILIB_OPTIONS): Remove.
2622 (MULTILIB_MATCHES): Remove.
2623 (MULTILIB_DIRNAMES): Remove.
2624 (MULTILIB_EXCEPTIONS): Remove:
2625 * config/avr/genopt.sh: Don't use hard coded file name;
2626 pass AVR_MCUS from t-avr instead.
2628 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2630 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2632 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2634 Implement light-weight DImode support.
2635 * config/avr/avr-dimode.md: New file.
2636 * config/avr/avr.md: Include it.
2637 (adjust_len): Add plus64, compare64.
2638 (HIDI): Remove code iterator.
2639 (code_stdname): New code attribute.
2640 (rotx, rotsmode): Remove DI.
2641 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2643 * config/avr/avr-protos.h (avr_have_dimode): New.
2644 (avr_out_plus64, avr_out_compare64): New.
2645 * config/avr/avr.c (avr_out_compare): Handle DImode.
2646 (avr_have_dimode): New variable definition and initialization.
2647 (avr_out_compare64, avr_out_plus64): New functions.
2648 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2649 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2650 (avr_compare_pattern): Skip DImode comparisons.
2652 2012-01-02 Revital Eres <revital.eres@linaro.org>
2654 * ddg.c (def_has_ccmode_p): New function.
2655 (add_cross_iteration_register_deps,
2656 create_ddg_dep_from_intra_loop_link): Call it.
2658 2012-01-02 Richard Guenther <rguenther@suse.de>
2661 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2663 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2665 * gcc.c (process_command): Update copyright notice dates.
2666 * gcov.c (print_version): Likewise.
2667 * gcov-dump.c (print_version): Likewise.
2668 * mips-tfile.c (main): Likewise.
2669 * mips-tdump.c (main): Likewise.
2671 2012-01-01 Ira Rosen <irar@il.ibm.com>
2673 PR tree-optimization/51704
2674 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2675 a use is inside the basic block or loop before accessing its vect info.
2677 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2679 PR rtl-optimization/51069
2680 * cfgloopmanip.c (remove_path): Removing path making irreducible
2681 region unconditional makes BB part of the region.
2683 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2685 PR tree-optimization/51683
2686 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2687 calls with side-effects.
2688 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2690 Copyright (C) 2012 Free Software Foundation, Inc.
2692 Copying and distribution of this file, with or without modification,
2693 are permitted in any medium without royalty provided the copyright
2694 notice and this notice are preserved.
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