1 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
3 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
4 to stubs with non-sibling calls.
6 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
8 * doc/invoke.texi (-fira-* options): Copy-edit.
9 (ira-* parameters): Copy-edit.
11 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
13 * doc/invoke.texi: Minor copy-edits to bring into conformance with
14 GCC coding conventions.
16 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
18 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
19 when used as adjectives.
21 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
23 * doc/invoke.texi: Clean up "that"/"which" confusion.
25 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
27 * system.h: Poison SMALL_REGISTER_CLASSES
28 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
29 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
31 2012-02-16 Jakub Jelinek <jakub@redhat.com>
33 PR tree-optimization/52285
34 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
35 when deciding if a call is a tail call or tail recursion.
37 2012-02-16 Kai Tietz <ktietz@redhat.com>
39 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
40 interger-constant displacement for UNSPEC_PCREL.
42 2012-02-16 Jakub Jelinek <jakub@redhat.com>
44 PR rtl-optimization/52208
45 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
46 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
48 PR tree-optimization/52255
49 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
50 loop->header has virtual PHI, but exit_e->dest doesn't, add
51 virtual PHI to exit_e->dest and adjust all uses after the loop.
54 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
55 children with clone_tree_hash, not after it.
57 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
59 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
62 2012-02-16 Jakub Jelinek <jakub@redhat.com>
65 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
66 a same_body_alias, also test whether e->callee isn't a former
67 or current clone of the decl this is a same body alias of.
70 * cgraphunit.c (verify_cgraph_node): Fix a typo.
72 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
74 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
76 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
79 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
80 force_reg instead of copy_to_reg for better optimization. Force
81 non-register or memory operands into a register.
83 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
85 * extend.texi: Reserve upper bits of memory model for future use.
87 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
88 Anatoly Sokolov <aesok@post.ru>
89 Eric Weddington <eric.weddington@atmel.com>
92 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
93 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
94 Rewrite initializers for .macro.
95 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
96 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
97 atxmega32d4, atxmega32x1.
98 avrxmega4: atxmega64a3, atxmega64d3.
99 avrxmega5: atxmega64a1, atxmega64a1u.
100 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
101 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
102 avrxmega7: atxmega128a1, atxmega128a1u.
103 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
104 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
105 (struct base_arch_s): Rename reserved to xmega_p.
106 Rename reserved2 to have_rampd.
107 (AVR_XMEGA): New define.
108 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
109 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
110 * config/avr/predicates.md (io_address_operand): Take into
112 (low_io_address_operand): Ditto.
113 (high_io_address_operand): Ditto.
114 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
115 (enabled, movhi_sp_r): Use them.
116 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
117 cpp_define_formatted to built-in define __AVR_ARCH__.
118 (__AVR_XMEGA__): New built-in define.
119 (__AVR_HAVE_RAMPD__): New built-in define.
120 (__AVR_HAVE_RAMPX__): New built-in define.
121 (__AVR_HAVE_RAMPY__): New built-in define.
122 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
124 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
125 (avr_option_override): Initialize them.
126 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
127 (avr_init_expanders): Initialize them. No more block several calls.
128 (emit_push_sfr): New static function.
129 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
131 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
132 (avr_print_operand): Print addreeses as symbols for
133 RAMPX, RAMPY, RAMPD, CCP.
134 (output_movhi): Handle AVR_XMEGA when writing to SP.
135 (avr_out_movhi_mr_r_xmega): New static function.
136 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
137 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
138 __RAMPD__, __CCP__ as needed.
140 * config/avr/multilib.h: Regenerate.
141 * config/avr/t-multilib: Regenerate.
142 * config/avr/avr-tables.opt: Regenerate.
144 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
146 PR tree-optimization/50561
147 * graphite-flattening.c (lst_project_loop): Do not
148 remove old scattering dimensions after flattening.
149 (lst_do_flatten): Likewise.
151 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
153 * doc/extend.texi (AVR Built-in Functions): Remove doc for
154 __builtin_avr_map8, __builtin_avr_map16.
155 Document __builtin_avr_insert_bits.
157 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
158 (insert_bits): New insn.
159 (adjust_len.map_bits): Rename to insert_bits.
160 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
161 * avr-protos.h (avr_out_map_bits): Remove.
162 (avr_out_insert_bits, avr_has_nibble_0xf): New.
163 * config/avr/constraints.md (Cxf,C0f): New.
164 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
165 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
166 New built-in define __BUILTIN_AVR_INSERT_BITS.
167 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
168 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
169 (avr_move_bits): Rewrite.
170 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
172 (avr_map_op_t): New typedef.
173 (avr_map_op): New static variable.
174 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
175 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
176 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
177 (bdesc_3arg, avr_expand_triop_builtin): New.
178 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
179 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
180 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
181 (avr_map_equal_p, avr_map_sig_p): Remove.
182 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
183 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
184 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
185 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
186 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
187 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
189 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
191 * config/c6x/c6x.md (reserve_cycles): New attribute.
192 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
193 don't reserve functional units after the branch occurs.
195 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
198 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
199 functions into non-tm_pure functions.
201 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
204 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
205 (iterative_hash_canonical_type): Likewise.
206 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
209 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
211 * haifa-sched.c (prune_ready_list): Ensure that if there is a
212 sched-group insn, it either remains alone or the entire list is
215 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
217 * doc/install.texi (Prerequisites): Fix grammar.
218 (Configuration): Likewise.
220 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
222 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
223 MPC as part of GCC before describing configuring with --with-gmp etc.
224 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
227 2012-02-14 Jakub Jelinek <jakub@redhat.com>
230 * dwarf2out.c (clone_tree_hash): New function.
231 (copy_decls_walk): Use it instead of clone_tree.
233 2012-02-14 Richard Guenther <rguenther@suse.de>
235 PR tree-optimization/52244
236 PR tree-optimization/51528
237 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
238 replacements for integral types.
240 2012-02-14 Walter Lee <walt@tilera.com>
242 * config.gcc: Handle tilegx and tilepro.
243 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
245 Add HAVE_AS_TLS check for tilegx and tilepro.
246 * configure: Regenerate.
247 * doc/contrib.texi: Add Mat Hostetter and self.
248 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
249 Document instruction intrinsics and network accessing intrinsics.
250 (TILEPro Built-in Functions): New node. Document instruction
251 intrinsics and network accessing intrinsics.
252 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
253 (Specific, tilepro-*-linux*): Likewise.
254 * doc/invoke.texi (TILE-Gx Options): New section.
255 (TILEPro Options): New section.
256 * doc/md.texi (TILE-Gx): New section.
257 (TILEPro): New section.
258 * common/config/tilegx/tilegx-common.c: New file.
259 * common/config/tilepro/tilepro-common.c: New file.
260 * config/tilegx/constraints.md: New file.
261 * config/tilegx/linux.h: New file.
262 * config/tilegx/mul-tables.c: New file.
263 * config/tilegx/predicates.md: New file.
264 * config/tilegx/sync.md: New file.
265 * config/tilegx/t-tilegx: New file.
266 * config/tilegx/tilegx-builtins.h: New file.
267 * config/tilegx/tilegx-c.c: New file.
268 * config/tilegx/tilegx-generic.md: New file.
269 * config/tilegx/tilegx-modes.def: New file.
270 * config/tilegx/tilegx-multiply.h: New file.
271 * config/tilegx/tilegx-protos.h: New file.
272 * config/tilegx/tilegx.c: New file.
273 * config/tilegx/tilegx.h: New file.
274 * config/tilegx/tilegx.md: New file.
275 * config/tilegx/tilegx.opt: New file.
276 * config/tilepro/constraints.md: New file.
277 * config/tilepro/gen-mul-tables.cc: New file.
278 * config/tilepro/linux.h: New file.
279 * config/tilepro/mul-tables.c: New file.
280 * config/tilepro/predicates.md: New file.
281 * config/tilepro/t-tilepro: New file.
282 * config/tilepro/tilepro-builtins.h: New file.
283 * config/tilepro/tilepro-c.c: New file.
284 * config/tilepro/tilepro-generic.md: New file.
285 * config/tilepro/tilepro-modes.def: New file.
286 * config/tilepro/tilepro-multiply.h: New file.
287 * config/tilepro/tilepro-protos.h: New file.
288 * config/tilepro/tilepro.c: New file.
289 * config/tilepro/tilepro.h: New file.
290 * config/tilepro/tilepro.md: New file.
291 * config/tilepro/tilepro.opt: New file.
293 2012-02-14 Jakub Jelinek <jakub@redhat.com>
295 PR tree-optimization/52210
296 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
297 vect_model_simple_cost with two entry vect_def_type array instead
300 2012-02-14 Richard Guenther <rguenther@suse.de>
303 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
304 Do not stream DECL_QUALIFIER.
305 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
306 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
307 (find_decls_types_r): Do not walk DECL_QUALIFIER.
309 2012-02-14 Jakub Jelinek <jakub@redhat.com>
312 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
315 2012-02-13 Jakub Jelinek <jakub@redhat.com>
318 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
319 * cselib.c (cselib_subst_to_values_from_insn): New function.
320 * sched-deps.c (add_insn_mem_dependence,
321 sched_analyze_1, sched_analyze_2): Use it.
323 2012-02-13 Jan Hubicka <jh@suse.cz>
326 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
328 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
330 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
331 (GTM_SELF_SPECS): Define if not already defined.
332 (driver_self_specs): Add GTM_SELF_SPECS.
333 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
334 (GTM_SELF_SPECS): Define.
335 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
336 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
338 2012-02-13 Jakub Jelinek <jakub@redhat.com>
340 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
343 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is
347 * omp-low.c (expand_omp_for): If a static schedule without
348 chunk size has NULL region->cont, force fd.chunk_size to be
351 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
354 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
356 2012-02-13 Richard Guenther <rguenther@suse.de>
359 * passes.c (enable_disable_pass): Fix typo.
361 2012-02-13 Jakub Jelinek <jakub@redhat.com>
364 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
365 XOR for reduce_bit_field if type is unsigned.
367 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
369 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
370 disallow changes from SFmode to mode with different size in FP regs.
372 2012-02-12 Robert Millan <rmh@gnu.org>
373 Gerald Pfeifer <gerald@pfeifer.com>
375 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
378 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
380 PR rtl-optimization/52175
381 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
382 to frame-related instructions.
384 2012-02-10 Jason Merrill <jason@redhat.com>
387 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
388 (demangle_new_symbols): Fill it.
389 (scan_linker_output): Walk it.
390 (start_tweaking): Split out from scan_linker_output.
391 (maybe_tweak): Update sym->chosen.
392 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
394 2012-02-11 Jakub Jelinek <jakub@redhat.com>
397 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
400 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
402 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
403 having the same mode as previous compare.
405 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
407 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
408 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
409 (nonlocal_goto_internal): Likewise.
410 (nonlocal_goto): Emit a use and an indirect jump directly.
412 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
415 * doc/extend.texi : Update comments for __atomic_compare_exchange and
416 __atomic_{is,always}_lock_free.
418 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
421 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
422 negative constant address for x32.
424 2012-02-10 Richard Henderson <rth@redhat.com>
426 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
427 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
428 for GIMPLE_TRANSACTION. Tidy if's into a switch.
430 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
431 Ira Rosen <irar@il.ibm.com>
433 PR tree-optimization/50031
434 * targhooks.c (default_builtin_vectorization_cost): Handle
436 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
437 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
438 all types of reduction and pattern statements.
439 (vect_estimate_min_profitable_iters): Likewise.
440 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
441 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
442 for explicit realigns.
443 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
444 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
446 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
447 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
448 vec_perm for VSX and handle vec_promote_demote.
450 2012-02-10 Jakub Jelinek <jakub@redhat.com>
453 * builtins.c (fold_builtin_atomic_always_lock_free,
454 expand_builtin_atomic_always_lock_free,
455 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
456 Return and/or test boolean_true_node/boolean_false_node instead of
457 integer_one_node/integer_zero_node.
459 2012-02-10 Jan Hubicka <jh@suse.cz>
462 * predict.c (predict_paths_for_bb): Prevent looping.
463 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
465 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
467 * config/arm/arm.c (output_move_double): In one case properly
468 count number of instructions that will be emitted.
470 2012-02-10 Richard Guenther <rguenther@suse.de>
473 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
475 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
478 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
480 2012-02-09 Jakub Jelinek <jakub@redhat.com>
483 * var-tracking.c (emit_note_insn_var_location): If
484 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
485 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
486 non-NOTE_DURING_CALL_P insn.
488 2012-02-09 Bin Cheng <bin.cheng@arm.com>
491 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
493 2012-02-08 Magnus Granberg <zorry@gentoo.org>
496 * gcc.c (switch_matches) Support switches with separated form,
499 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
501 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
504 * config/avr/avr.c (avr_addr_t): New typedef.
505 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
506 (avr_init_expanders): Initialize it.
507 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
509 (expand_epilogue): Ditto.
510 (avr_print_operand): Ditto.
511 (avr_file_start): Ditto.
512 (avr_emit_movmemhi): Ditto.
514 2012-02-08 Richard Guenther <rguenther@suse.de>
516 PR tree-optimization/46886
517 * tree-flow.h (do_while_loop_p): Declare.
518 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
519 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
521 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
523 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
524 always succeed for integers larger than a native word.
526 2012-02-08 Richard Guenther <rguenther@suse.de>
528 PR rtl-optimization/52170
529 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
530 properly handle integer vector modes.
532 2012-02-08 Jakub Jelinek <jakub@redhat.com>
534 PR gcov-profile/52150
535 * coverage.c: Include target.h.
536 (build_var): Call targetm.strip_name_encoding on the assembler name.
537 Change one _ into . or $ if the target allows it.
538 * Makefile.in (coverage.o): Depend on $(TARGET_H).
540 PR rtl-optimization/52139
541 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
542 is a BARRIER after emit_insn_after_noloc, move BB_END
543 to the last non-BARRIER insn before it.
545 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
548 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
549 (mips_gimplify_va_arg_expr): Call it instead of
550 std_gimplify_va_arg_expr.
552 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
554 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
555 message for -mno-pointers-to-nested-function.
557 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
560 * expr.c (get_inner_reference): If there is an offset, add a negative
561 bit position to it (if any).
563 2012-02-07 Jakub Jelinek <jakub@redhat.com>
565 PR rtl-optimization/52060
566 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
567 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
568 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
569 and/or i0src_copy2 when needed.
571 2012-02-07 Jakub Jelinek <jakub@redhat.com>
573 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
574 or LTOPLUGINSONAME if have_c.
576 * config/freebsd-spec.h: Add comment about what macros can be defined
578 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
579 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
582 2012-02-07 Richard Guenther <rguenther@suse.de>
584 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
585 newline in -alias dumps.
587 2012-02-07 Kai Tietz <ktietz@redhat.com>
588 Dave Korn <dave.korn.cygwin@gmail.com>
591 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
592 Take care that typinfo gets dllexport-attribute.
594 2012-02-07 Jakub Jelinek <jakub@redhat.com>
597 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
598 if modifier < EXPAND_SUM call force_operand on the result.
600 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
602 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
603 adding __forwarder_dst__ prefix if a forwarder_section attribute is
605 (epiphany_function_type): Replace types for specific interrupts with
606 EPIPHANY_FUNCTION_INTERRUPT.
607 (EPIPHANY_INTERRUPT_P): Update.
608 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
610 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
611 <disinterrupt>: Affects type identity.
612 (epiphany_handle_interrupt_attribute): Handle variable number of
614 (epiphany_compute_function_type): Update for new
615 epiphany_function_type definition.
616 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
617 handlers with a longcall forwarder.
618 (epiphany_start_function): Handle multiple interrupt arguments and/or
619 forwarder_section attribute.
621 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
624 2012-02-07 Alan Modra <amodra@gmail.com>
627 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
630 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
632 PR tree-optimization/50969
633 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
634 use vec_perm rather than vector_stmt.
635 (vect_model_load_cost): Likewise.
636 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
637 vec_perm to be the same as other vector statements.
638 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
639 cost of vec_perm for TARGET_VSX.
641 2012-02-06 Richard Guenther <rguenther@suse.de>
643 PR tree-optimization/52115
644 * tree-sra.c (access_has_replacements_p): New function.
645 (sra_modify_assign): Use it to decide whether a use is uninitialized.
647 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
650 * trans-mem.c (expand_call_tm): Add an assertion.
651 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
654 2012-02-06 Richard Guenther <rguenther@suse.de>
656 PR tree-optimization/50955
657 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
658 raise cost of expressions that replace an address with an
659 expression based on a different pointer.
661 2012-02-06 Jakub Jelinek <jakub@redhat.com>
664 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
665 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
667 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
670 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
671 -Weffc++ and specify guidelines come from second edition.
673 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
675 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
676 (sibcall_value_multiple_internal, call_split, call_internal_direct)
677 (call_direct_split, call_value_split, call_value_internal_direct)
678 (call_value_direct_split, call_value_multiple_split): Use jal and
679 jal_macro attributes.
681 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
683 * reload1.c (reload_regs_reach_end_p): Replace with...
684 (reload_reg_rtx_reaches_end_p): ...this function.
685 (new_spill_reg_store): Update commentary.
686 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
687 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
688 before setting new_spill_reg_store.
689 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
690 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
691 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
692 for non-spill reload registers.
694 2012-02-05 Ira Rosen <irar@il.ibm.com>
696 PR tree-optimization/52091
697 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
698 (vect_is_simple_use_1): Likewise.
699 * tree-vect-loop.c (vectorizable_reduction): Update calls
700 to vect_is_simple_use_1 and vect_is_simple_use.
701 (vectorizable_live_operation): Likewise.
702 * tree-vect-patterns.c (widened_name_p,
703 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
704 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
705 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
706 vectorizable_shift,vectorizable_operation, vectorizable_store,
707 vectorizable_load): Likewise.
708 (vect_is_simple_cond): Add an argument, pass it to
709 vect_is_simple_use_1.
710 (vectorizable_condition): Update calls to vect_is_simple_cond,
712 (vect_is_simple_use): Add an argument, the statement in which
713 OPERAND is used. Check that if OPERAND's def stmt is a double
714 reduction phi node, the use is a phi node too.
715 (vect_is_simple_use_1): Add an argument, pass it to
717 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
718 to vect_is_simple_use.
720 2012-02-04 Jakub Jelinek <jakub@redhat.com>
722 PR rtl-optimization/52095
723 * modulo-sched.c (dump_insn_locator): New function.
724 (loop_canon_p, sms_schedule): Use it.
726 PR rtl-optimization/52113
727 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
728 even for decomposable shift/zext insns.
730 2012-02-03 Jakub Jelinek <jakub@redhat.com>
731 Zdenek Dvorak <ook@ucw.cz>
733 PR rtl-optimization/52092
734 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
735 on get_iv_value result.
737 2012-02-02 Andrew Pinski <apinski@cavium.com>
741 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
743 2012-02-02 Jakub Jelinek <jakub@redhat.com>
746 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
748 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
750 PR rtl-optimization/49800
751 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
752 (sched_finish): Call regstat_free_n_sets_and_refs.
754 2012-02-02 Jia Liu <proljc@gmail.com>
756 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
759 2012-02-02 Jan Hubicka <jh@suse.cz>
760 Tom de Vries <tom@codesourcery.com>
763 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
764 * varpool.c (varpool_analyze_pending_decls): Likewise.
766 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
767 Jayant R Sonar <jayant.sonar@kpitcummins.com>
769 * config.gcc: Add cr16-* support.
771 * doc/extend.texi: Document cr16 extensions.
772 * doc/install.texi: Document cr16 install.
773 * doc/invoke.texi: Document cr16 options.
774 * doc/md.texi: Document cr16 constraints.
776 * common/config/cr16/cr16-common.c: New file.
777 * config/cr16/cr16.c: New file.
778 * config/cr16/cr16.h: New file.
779 * config/cr16/cr16.md: New file.
780 * config/cr16/cr16.opt: New file.
781 * config/cr16/cr16-protos.h: New file.
782 * config/cr16/predicates.md: New file.
783 * config/cr16/constraints.md: New file.
784 * config/cr16/t-cr16: New file.
786 2012-02-02 Jakub Jelinek <jakub@redhat.com>
789 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
790 that operands[2] is either immediate, or q_regs_operand.
792 PR tree-optimization/52073
793 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
794 a pattern stmt for pattern uses, ignore uses outside of the loop.
796 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
798 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
799 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
800 (OUT_AS1, OUT_AS2): Remove.
802 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
804 PR rtl-optimization/51374
805 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
806 to cross other volatile_refs_p insns.
808 2012-02-01 Richard Guenther <rguenther@suse.de>
810 * doc/invoke.texi (fno-inline): Clarify documentation.
811 (finline-small-functions): Likewise.
812 (finline-functions): Likewise.
813 * common.opt (finline): Adjust comment and documentation.
814 (finline-small-functions): Clarify documentation.
815 (finline-functions): Likewise.
816 (finline-functions-called-once): Likewise.
818 2012-02-01 Tristan Gingold <gingold@adacore.com>
820 * c-typeck.c (composite_type): Keep mode for pointers.
822 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
824 * function.h (regno_reg_rtx): Adjust comment.
825 * reginfo.c (init_reg_modes_target): Only use the previous mode
826 if it fits within one register. Remove MIPS comment.
828 2012-01-31 Jakub Jelinek <jakub@redhat.com>
831 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
833 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
835 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
838 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
840 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
842 2012-01-31 Jakub Jelinek <jakub@redhat.com>
847 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
849 2012-01-31 Richard Guenther <rguenther@suse.de>
851 PR tree-optimization/51528
852 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
855 2012-01-31 Jakub Jelinek <jakub@redhat.com>
860 * ree.c (add_removable_extension): Change def_map argument
861 to unsigned *, store in def_map 1 + offset into *insn_list vector
862 instead of pointers into the vector.
863 (find_removable_extensions): Adjust caller.
865 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
867 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
868 Transform all "* quoted-c-code" to { c-code }.
869 Remove redundant test for "optimize" in combine patterns.
870 Move (include "avr-dimode.md") to end of file.
872 2012-01-30 Bin Cheng <bin.cheng@arm.com>
875 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
876 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
878 2012-01-30 Richard Guenther <rguenther@suse.de>
880 PR tree-optimization/52028
881 * tree-loop-distribution.c (ldist_gen): Properly update
884 2012-01-30 Jakub Jelinek <jakub@redhat.com>
887 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
888 set_cur_line_info_table if not emitting debug info.
890 PR tree-optimization/52046
891 * tree-vect-patterns.c (check_bool_pattern): Give up if
892 a comparison could throw.
895 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
897 2012-01-30 Richard Guenther <rguenther@suse.de>
899 PR tree-optimization/52045
900 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
901 SSA form if cfgcleanup did anything.
903 2012-01-30 Richard Guenther <rguenther@suse.de>
905 PR tree-optimization/52045
906 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
907 before computing final todo.
909 2012-01-30 Richard Guenther <rguenther@suse.de>
911 PR tree-optimization/51528
912 * tree-sra.c (sra_modify_assign): Re-factor in preparation
915 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
917 * df-problems.c (df_kill_notes): Check that the use refers
918 to the note under examination.
920 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
923 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
924 parameter and use short-lived pseudos.
925 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
926 (sparc_expand_vector_init): Const-ify local variables and adjust
927 calls to above functions.
929 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
931 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
933 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
935 * doc/invoke.texi: Make usage of "compile time" and
936 "run time"/"runtime" consistent throughout the file.
938 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
940 * config/alpha/alpha.c (alpha_option_override): Default to
941 full IEEE compliance mode for Go language.
943 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
945 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
946 (LINK_SSP_SPEC): Define.
948 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
951 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
954 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
956 * doc/invoke.texi: Correct hyphenation of "floating point",
957 "double precision", and related terminology throughout the file.
959 2012-01-28 Jakub Jelinek <jakub@redhat.com>
962 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
963 arm_general_register_operand predicate for operand 2 instead of
966 2012-01-27 Ian Lance Taylor <iant@google.com>
969 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
970 * builtins.c (expand_builtin_init_trampoline): Add onstack
971 parameter. Change caller.
972 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
973 * tree.c (build_common_builtin_nodes): Declare
974 __builtin_init_heap_trampoline.
976 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
978 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
979 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
980 * config/avr/avr.c: Ditto.
981 (avr_regnames): Remove because unused.
982 * config/avr/avr.md (*cpse.ne): New peephole.
983 (*cpse.eq): New peephole from former cpse peepholes.
985 2012-01-27 Michael Eager <eager@eagercon.com>
987 * config/microblaze.c (microblaze_emit_compare): Correct
988 test after pcmp instruction.
990 2012-01-27 Richard Guenther <rguenther@suse.de>
992 PR tree-optimization/52020
993 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
995 2012-01-27 Richard Guenther <rguenther@suse.de>
997 * ipa-pure-const.c (check_stmt): Clobbers do not make a
998 function non-const/pure.
1000 2012-01-27 Richard Guenther <rguenther@suse.de>
1002 PR tree-optimization/50444
1003 * tree-sra.c (build_ref_for_offset): Properly adjust the
1004 MEM_REF type for unaligned accesses.
1006 2012-01-27 Richard Guenther <rguenther@suse.de>
1008 PR tree-optimization/50444
1009 * expr.c (mem_ref_refers_to_non_mem_p): New function.
1010 (expand_assignment): Use it. Properly handle misaligned
1011 bases when expanding stores to component references.
1012 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1015 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
1018 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1019 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1020 * tree-data-ref.c (find_data_references_in_loop): Make static.
1021 (compute_all_dependences): Change return type to bool. Bail out
1022 for too many datarefs in a loop. Move the hunk resetting the data
1023 dependences vector from ...
1024 (compute_data_dependences_for_loop): ... here. Account for
1025 compute_all_dependences returning false.
1026 (compute_data_dependences_for_bb): Likewise.
1027 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1028 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1030 2012-01-27 Richard Guenther <rguenther@suse.de>
1033 * expr.c (store_field): Use the alias-set of the scratch memory
1036 2012-01-27 Tom de Vries <tom@codesourcery.com>
1038 PR tree-optimization/51990
1039 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1041 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1043 2012-01-27 Jakub Jelinek <jakub@redhat.com>
1046 * var-tracking.c (reverse_op): Don't add any reverse operation
1047 if V already has any constant locations.
1049 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1051 * doc/invoke.texi: Correct usage of "command line" (noun)
1052 vs "command-line" (adjective) throughout.
1054 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1056 * doc/invoke.texi (Language Independent Options): Move
1057 -Wcoverage-mismatch blurb from here....
1058 (Warning Options): ...to here.
1060 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
1062 * config/rs6000/rs6000.c (rs6000_option_override_internal):
1063 Set rs6000_always_hint to false for 476.
1065 2012-01-27 Matthias Klose <doko@ubuntu.com>
1067 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1069 * incpath.c (add_standard_paths): Likewise.
1071 2012-01-27 Richard Henderson <rth@redhat.com>
1073 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1074 * config/m68k/sync.md (atomic_test_and_set): Rename from
1075 sync_test_and_setqi and adjust the operands.
1076 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1077 and unconditionally enable.
1079 2012-01-27 Richard Henderson <rth@redhat.com>
1081 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1082 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1083 (ldstub): Rename from ldstubqi.
1084 (ldstub<I24MODE>): Remove.
1086 2012-01-27 Richard Henderson <rth@redhat.com>
1088 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1089 * c-cppbuiltin.c (cpp_atomic_builtins): Define
1090 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1091 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1092 * doc/tm.texi: Rebuild.
1094 2012-01-27 Richard Henderson <rth@redhat.com>
1096 * optabs.c (gen_atomic_test_and_set): Remove default.
1097 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1099 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1101 PR rtl-optimization/51978
1102 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1103 (combine_reaching_defs): Likewise.
1104 (struct re_info): Remove.
1105 (add_removable_extension): Remove x and data arguments,
1106 add insn, insn_list and def_map. Use the arguments directly
1107 instead of using struct re_info.
1108 (find_removable_extensions): Don't call add_removable_extension
1109 through note_stores, instead just call it with single_set
1111 (find_and_remove_re): Pass curr_cand->expr instead of
1112 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1114 2012-01-26 Michael Matz <matz@suse.de>
1116 PR tree-optimization/46590
1117 * cfgexpand.c: Revert last change (r183305).
1118 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1120 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1121 checking for emptiness.
1123 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1126 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1127 non-addressable non-BLKmode base correctly.
1129 2012-01-26 Michael Matz <matz@suse.de>
1131 PR tree-optimization/48794
1132 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1133 regions referenced from RESX/EH_DISPATCH.
1135 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1137 * config/s390/s390.h: Make BRANCH_COST an option.
1138 * config/s390/s390.opt: New option -mbranch-cost.
1140 2012-01-26 Richard Henderson <rth@redhat.com>
1142 Revert 2012-01-24 change:
1143 * trans-mem.c (requires_barrier): Do not instrument thread local
1144 variables and emit save/restore for them.
1146 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1149 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1152 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
1154 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1157 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
1160 Rename __pgm to __flash.
1161 Rename __pgm1 to __flash1.
1162 Rename __pgm2 to __flash2.
1163 Rename __pgm3 to __flash3.
1164 Rename __pgm4 to __flash4.
1165 Rename __pgm5 to __flash5.
1166 Rename __pgmx to __memx.
1167 * doc/extend.texi (AVR Named Address Spaces)
1168 Rename address space names as indicated above.
1169 * config/avr/avr.c (avr_addrspace): Ditto.
1171 * config/avr/avr-protos.h
1172 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1173 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1174 * config/avr/predicates.md: Ditto.
1175 * config/avr/avr.c Ditto, and
1176 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1177 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1179 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1180 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1181 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1182 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1183 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1184 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1185 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1186 * config/avr/avr.c: Ditto.
1187 * config/avr/avr.md: Ditto.
1189 2012-01-25 Jason Merrill <jason@redhat.com>
1192 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1194 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1196 PR tree-optimization/51987
1197 * tree-data-ref.c (get_references_in_stmt): Handle references in
1198 non-volatile GIMPLE_ASM.
1200 2012-01-25 Richard Guenther <rguenther@suse.de>
1202 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1203 bases are dereferenced.
1205 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1207 PR rtl-optimization/48374
1208 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1210 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1212 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1213 compute_data_dependences_for_loop returns false.
1214 * tree-parloops.c (loop_parallel_p): Likewise.
1216 2012-01-25 Richard Guenther <rguenther@suse.de>
1218 * tree.h (get_pointer_alignment_1): Declare.
1219 * builtins.c (get_pointer_alignment_1): New function.
1220 (get_pointer_alignment): Use it.
1222 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1224 PR rtl-optimization/48308
1225 * combine.c (enum undo_kind): Add UNDO_LINKS.
1226 (struct undo): Add member l to other_contents and where.
1227 (do_SUBST_LINK): New.
1229 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1230 (undo_all): Handle UNDO_LINKS.
1232 2012-01-25 Richard Henderson <rth@redhat.com>
1234 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1237 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1239 * optabs.c (gen_atomic_test_and_set): Use each argument.
1241 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1243 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1244 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1245 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1246 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1247 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1248 TARGET_PAIRED_SINGLE_FLOAT.
1250 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1252 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1253 (in_struct, return_val): Remove MEM documentation.
1254 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1255 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1256 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1258 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1259 * cfgexpand.c (add_alias_set_conflicts): Likewise.
1260 * expr.c (store_field): Likewise.
1261 * function.c (assign_stack_temp_for_type): Likewise.
1262 * ifcvt.c (noce_try_cmove_arith): Likewise.
1263 * reload1.c (reload): Likewise.
1264 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1265 (alpha_set_memflags): Likewise.
1266 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1268 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1270 * rtl.h (true_dependence, canon_true_dependence): Remove varies
1272 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1273 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1274 (true_dependence_1, true_dependence, canon_true_dependence): Remove
1276 * cselib.c (cselib_rtx_varies_p): Delete.
1277 (cselib_invalidate_mem): Update call to canon_true_dependence.
1278 * dse.c (record_store, check_mem_read_rtx): Likewise.
1279 (scan_reads_nospill): Likewise.
1280 * cse.c (check_dependence): Likewise.
1281 (cse_rtx_varies_p): Delete.
1282 * expr.c (safe_from_p): Update call to true_dependence.
1283 * ira.c (validate_equiv_mem_from_store): Likewise.
1284 (memref_referenced_p): Likewise.
1285 * postreload-gcse.c (find_mem_conflicts): Likewise.
1286 * sched-deps.c (sched_analyze_2): Likewise.
1287 * store-motion.c (load_kills_store): Likewise.
1288 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1289 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1290 (compute_transp): Update call to canon_true_dependence.
1292 2012-01-25 Richard Henderson <rth@redhat.com>
1294 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1295 (maybe_emit_atomic_test_and_set): New.
1296 (expand_sync_lock_test_and_set): Use it.
1297 (expand_atomic_test_and_set): Likewise.
1298 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1299 the implementation; clarify implementation defined details.
1300 * doc/md.texi (atomic_test_and_set): Document.
1302 2012-01-25 Richard Henderson <rth@redhat.com>
1304 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1306 2012-01-25 Richard Henderson <rth@redhat.com>
1309 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1310 to effect no-op split.
1312 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1315 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1316 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1317 (BT_FN_VOID_PTR_INT_SIZE): New.
1318 (BT_FN_UINT_UINT_VAR): Remove.
1319 (BT_FN_UINT32_UINT32_VAR): New.
1320 (BT_FN_DOUBLE_VPTR): Remove.
1321 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1323 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1324 (_ITM_changeTransactionMode): Same.
1325 (_ITM_memmoveRtWt): Change return type to void.
1326 (_ITM_memcpyRtWt): Same.
1327 (_ITM_memsetW): Same.
1328 (_ITM_RaRD): Change types to double.
1333 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1335 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1336 Patrick Marlier <patrick.marlier@gmail.com>
1338 * trans-mem.c (requires_barrier): Do not instrument thread local
1339 variables and emit save/restore for them.
1341 2012-01-24 Jason Merrill <jason@redhat.com>
1344 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1345 output static aliases.
1347 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1350 * common.opt (-pie, -shared, pie, shared): Change from Common to
1352 * gcc.c (display_help): Display help for -pie and -shared.
1354 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1357 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1358 Remove note on size/offset limitation.
1359 (AVR Variable Attributes): Add example how to read data located
1360 with progmem. Refer to named address spaces.
1361 * doc/invoke.texi (AVR Options): Fix typo.
1363 2012-01-24 Richard Guenther <rguenther@suse.de>
1365 Forward-port to trunk
1366 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1369 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1370 op0 isn't sufficiently aligned and there is movmisalignM
1371 insn for mode, use it to load op0 into a temporary register.
1373 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1376 * target.def (const_not_ok_for_debug_p): New hook.
1377 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1379 * doc/tm.texi: Regenerated.
1380 * dwarf2out.c (const_ok_for_output_1): If
1381 targetm.const_not_ok_for_debug_p returns true, fail.
1382 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1384 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1386 2012-01-23 Kai Tietz <ktietz@redhat.com>
1389 * config/i386/predicates.md (symbolic_operand): Allow
1390 UNSPEC_PCREL as PIC expression for lea.
1391 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1392 * config/i386/i386.c (ix86_delegitimize_address): Handle
1393 UNSPEC_PCREL for none-MEM, too.
1395 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1397 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1398 (ipa_tm_create_version_alias): Same.
1400 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1403 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1404 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1406 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1407 Patrick Marlier <patrick.marlier@gmail.com>
1408 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1411 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1412 simple_object_start_read.
1414 2012-01-23 Richard Guenther <rguenther@suse.de>
1417 PR tree-optimization/51895
1418 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1419 parameter decomposition into BLKmode components.
1421 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1423 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1424 fake variables for restrict-qualified pointers whose pointed-to type
1425 contains a placeholder.
1427 2012-01-23 Richard Guenther <rguenther@suse.de>
1429 PR tree-optimization/51949
1430 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1432 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1434 PR rtl-optimization/51933
1435 * ree.c (transform_ifelse): Return true right away if dstreg is
1436 already wider or equal to cand->mode.
1437 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1438 (make_defs_and_copies_lists): Remove defs_list and copies_list
1439 arguments, add state argument, just truncate state->work_list
1440 instead of always allocating and freeing the vector. Assert that
1441 get_defs succeeds instead of returning 2. Changed return type to bool.
1442 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1443 have ext_src_mode, see if it has been modified already with the
1444 right kind of extension and has been extended before from the
1445 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1446 just return true. Remember the original mode in state->modified array.
1447 (combine_reaching_defs): Add state argument. Don't allocate and
1448 free here def_list, copied_list and vec vectors, instead just
1449 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1450 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1451 Add state variable, clear vectors in it, initialize state.modified
1452 if needed. Free all the vectors at the end and state.modified too.
1453 Don't skip a candidate if the extension expression has been modified.
1455 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1458 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1459 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1460 (extra_options) interix.opt -> i386/interix.opt"
1461 (extra_objs):Add winnt-stubs.o
1462 * configure.ac: Add interix to target_os .comm on PE check.
1463 * configure: Regenerate.
1464 * config/interix3.h: Delete and move bits to..
1465 * config/interix.h: Delete and move bits to..
1466 * config/i386/i386-interix3.h: Delete and move bits to..
1467 * config/i386/i386-interix.h: ..here.
1468 (TARGET_CPU_DEFAULT): Remove redefinition.
1469 (TARGET_ASM_CONSTRUCTOR): Undefine.
1470 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1471 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1472 (PTRDIFF_TYPE): Define.
1473 (LONG_DOUBLE_TYPE_SIZE): Define.
1474 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1475 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1476 (TARGET_SECTION_TYPE_FLAGS): Define.
1477 (ASM_DECLARE_FUNCTION_NAME): Define.
1478 (ASM_OUTPUT_EXTERNAL): Define.
1479 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1480 (ASM_OUTPUT_ALIGNED_BSS): Define.
1481 (PCC_BITFIELD_TYPE_MATTERS): Define.
1482 (USE_CONST_SECTION): Define.
1483 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1484 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1485 (SUPPORTS_ONE_ONLY): Remove.
1486 (I386_PE_STRIP_ENCODING): Define.
1487 * config/interix.opt: Delete and move bits to..
1488 * config/i386/interix.opt: ..here. New.
1489 (mpe-aligned-commons): Add.
1490 * config/i386/t-interix: Add copyright header.
1491 (winnt-stubs.o): Add rule.
1493 2012-01-22 Jason Merrill <jason@redhat.com>
1496 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1497 for extra name aliases.
1499 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1501 PR rtl-optimization/51924
1502 * ree.c (combine_set_extension): Improve debugging message.
1503 (combine_reaching_defs): Likewise.
1504 (get_defs): Rename confusingly named variable.
1505 (find_and_remove_re): Skip a candidate if the extension expression has
1508 2012-01-21 Robert Millan <rmh@gnu.org>
1509 Gerald Pfeifer <gerald@pfeifer.com>
1511 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1512 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1514 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1516 PR tree-optimization/51914
1517 * tree-vect-stmts.c (vectorizable_conversion): For
1518 cvt_type && modifier == WIDEN, put temporary with cvt_type
1519 at the beginning of vec_dsts and set vec_dest to temporary
1522 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1524 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1526 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1528 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1529 * config/rs6000/rs6000.c: Likewise.
1531 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1534 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1535 output_move_double on a copy of operands array.
1537 2012-01-20 Cary Coutant <ccoutant@google.com>
1538 Dodji Seketeli <dodji@redhat.com>
1541 * dwarf2out.c (copy_declaration_context): Return ref to parent
1542 of declaration DIE, if necessary.
1543 (remove_child_or_replace_with_skeleton): Add new parameter; update
1544 caller. Place skeleton DIE under parent DIE of original declaration.
1545 Move call to copy_declaration_context to here ...
1546 (break_out_comdat_types): ... from here.
1548 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1550 PR rtl-optimization/51856
1551 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1554 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1557 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1558 hints for neon loads and stores.
1560 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1564 * doc/extend.texi (Named Address Spaces): Split into subsections.
1565 (AVR Named Address Spaces): New subsection.
1566 (M32C Named Address Spaces): New subsection.
1567 (RL78 Named Address Spaces): New subsection.
1568 (SPU Named Address Spaces): New subsection.
1569 (Variable Attributes): New anchor "AVR Variable Attributes".
1570 (AVR Variable Attributes): Rewrite and avoid wording
1571 "address space" in this context.
1572 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1573 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1574 (AVR Built-in Macros): New subsubsection therein.
1575 * doc/md.texi (AVR constraints): Remove "C04", "R".
1577 2012-01-20 Richard Guenther <rguenther@suse.de>
1579 PR tree-optimization/51903
1580 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1581 when removing stmts.
1583 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1586 * config/arm/arm.c (arm_load_pic_register): Use
1587 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1588 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1589 (arm_pic_static_addr): Likewise.
1590 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1591 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1592 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1593 (pic_load_addr_unified): New.
1595 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1598 * function.c (instantiate_virtual_regs_in_insn): Use
1599 delete_insn_and_edges when removing a wrong asm insn.
1601 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1603 PR rtl-optimization/40761
1604 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1605 Add new member loop_num.
1606 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1607 (ira_build): Remove the parameter.
1609 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1610 (ira.c): Do not build CFG loops for one region allocation. Remove
1611 argument from ira_build call.
1613 * ira-build.c (init_loop_tree_node): New function.
1614 (create_loop_tree_nodes): Use it. Separate the case when CFG
1615 loops are not built.
1616 (more_one_region_p): Check current_loops.
1617 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1619 (add_loop_to_tree): Process loop equal to NULL too.
1620 (form_loop_tree): Separate the case when CFG loops are not built.
1621 Use explicitly number for the root.
1622 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1624 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1625 instead of loop->num.
1626 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1627 (mark_all_loops_for_removal): Ditto.
1628 (remove_unnecessary_regions): Separate the case when CFG loops
1630 (ira_build): Remove the parameter. Use explicit number of regions
1631 when CFG loops are not built.
1633 * ira-color.c (print_loop_title): Separate the case for the root node.
1634 Use loop_num instead of loop->num.
1635 (move_spill_restore): Use loop_num instead of loop->num.
1637 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1638 (change_loop): Ditto.
1639 (change_loop): Use loop_num instead of loop->num.
1641 * ira-lives.c (process_bb_node_lives): Ditto.
1643 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1645 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1647 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1650 * tree-mudflap.c (mf_artificial): New function.
1651 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1652 mx_register_decls, mudflap_enqueue_decl): Use it.
1655 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1656 numbers in the insn pattern.
1658 2012-01-19 Michael Matz <matz@suse.de>
1660 PR tree-optimization/46590
1661 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1662 use it in remembering which conflicts we already created.
1663 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1666 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1669 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1670 (merge_and_complain): Same.
1672 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1675 * config/initfini-array.h: Guard content of the header
1676 with #ifdef HAVE_INITFINI_ARRAY.
1677 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1678 Add initfini-array.h to tm_file here.
1679 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1680 * config.gcc: Don't add initfini-array.h to tm_file here.
1681 * configure: Regenerated.
1683 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1685 PR rtl-optimization/51505
1686 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1687 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1688 (df_note_bb_compute): Update the call to df_kill_notes.
1690 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1692 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1694 2012-01-18 Richard Guenther <rguenther@suse.de>
1696 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1697 of conversions to void *.
1699 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1700 Richard Sandiford <rdsandiford@googlemail.com>
1704 * optabs.h (simplify_expand_binop): Declare.
1705 * optabs.c (simplify_expand_binop): Make global.
1706 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1707 endian targets if the source cannot be exactly covered by word
1710 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1713 * hard-reg-set.h (struct hard_reg_set_container): New type.
1714 * target.h (struct hard_reg_set_container): Forward declare.
1715 * target.def (set_up_by_prologue): New target hook.
1716 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1717 * doc/tm.texi: Regenerated.
1718 * function.c (thread_prologue_and_epilogue_insns): Change
1719 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1720 Call targetm.set_up_by_prologue on it.
1721 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1722 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1724 2012-01-17 Nick Clifton <nickc@redhat.com>
1726 * config/rx/rx.c (rx_can_use_simple_return): New function.
1727 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1728 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1730 2012-01-17 Richard Guenther <rguenther@suse.de>
1733 * expr.c (expand_assignment): Take address-space information
1734 from the address operand of MEM_REF and TARGET_MEM_REF.
1735 (expand_expr_real_1): Likewise.
1737 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1739 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1740 reload dump is requested.
1742 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1745 * trans-mem.c (requires_barrier): Call may_be_aliased.
1747 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1749 PR tree-optimization/51877
1750 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1751 call arguments and fndecls compare equal, instead return false if they
1752 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1753 both SSA_NAMEs that are valueized the same, or they satisfy
1756 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1758 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1760 * configure: Regenerate.
1762 2012-01-16 Jan Hubicka <jh@suse.cz>
1766 * convert.c (convert_to_integer): Use fold_convert for
1767 converting an INTEGER_CST to integer type.
1769 2012-01-16 Jason Merrill <jason@redhat.com>
1772 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1774 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1777 * config/s390/s390.c (s390_chunkify_start): Don't skip
1778 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1779 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1780 If insn is followed by NOTE_INSN_VAR_LOCATION or
1781 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1782 Don't use location of note insns.
1784 PR tree-optimization/51865
1785 * tree-inline.c (tree_function_versioning): Call remap_decl
1786 on DECL_RESULT whenever it has VOID_TYPE_P type.
1788 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1790 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1791 for calls to locally-binding MIPS16 functions if only the return
1792 type uses float regs.
1794 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1795 Richard Sandiford <rdsandiford@googlemail.com>
1797 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1798 (SYMBOL_32_HIGH): Likewise.
1799 (mips_output_tls_reloc_directive): Declare.
1800 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1801 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1802 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1803 (mips_lo_relocs, mips_hi_relocs): Make extern.
1804 (mips16_stub_function): Move up file.
1805 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1806 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1807 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1808 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1809 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1810 (mips_get_tp): Add MIPS16 support.
1811 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1812 Generalize DTPREL and TPREL handling.
1813 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1814 Add MIPS16 TLS support.
1815 (mips_output_tls_reloc_directive): New function.
1816 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1817 * config/mips/predicates.md (symbolic_operand_with_high)
1818 (tls_reloc_operand): New predicates.
1819 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1820 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1821 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1822 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1823 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1824 (*tls_get_tp_mips16_call_<mode>): Likewise.
1826 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1828 PR rtl-optimization/51821
1829 * recog.c (peep2_find_free_register): Determine clobbered registers
1832 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1835 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1836 * config/avr/avr.c: Likewise.
1837 * config/avr/avr.h: Likewise.
1839 2012-01-13 Ian Lance Taylor <iant@google.com>
1842 * tree.h (TYPE_QUALS): Add cast to int.
1843 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1845 2012-01-13 Ian Lance Taylor <iant@google.com>
1847 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1848 comparing param_index to VEC_length result.
1850 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1852 * c-decl.c: Do not include tree-mudflap.h
1853 * tree-optimize.c: Likewise.
1854 * Makefile.in: Update dependencies.
1856 2012-01-13 Richard Guenther <rguenther@suse.de>
1859 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1860 variable-sized result always use RSO.
1862 2012-01-12 DJ Delorie <dj@redhat.com>
1864 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1865 pointer type, not just the default pointer type.
1867 2012-01-09 Richard Henderson <rth@redhat.com>
1868 Denis Chertykov <chertykov@gmail.com>
1871 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1872 * config/avr/avr.c (avr_can_eliminate): Simplify.
1873 (avr_initial_elimination_offset): Likewise.
1874 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1875 (expand_epilogue): Likewise.
1876 (avr_legitimize_address): Gut.
1877 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1878 (avr_hard_regno_nregs): New.
1879 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1880 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1881 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1882 add soft frame pointer.
1883 (CALL_USED_REGISTERS): Likewise.
1884 (REG_CLASS_CONTENTS): Likewise.
1885 (REGISTER_NAMES): Likewise.
1886 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1887 (HARD_FRAME_POINTER_REGNUM): New.
1888 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1889 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1890 remove the HARD_FRAME_POINTER self-elimination.
1892 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1895 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1896 DECL_EXTERNAL when checking for initializers of progmem variables.
1898 2012-01-12 Ira Rosen <irar@il.ibm.com>
1900 PR tree-optimization/51799
1901 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1902 that the last operation is a type demotion.
1904 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1906 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1907 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1909 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1912 * combine.c (distribute_notes): If i3 is a noreturn call,
1913 allow old_size to be equal to args_size and make sure the
1914 noreturn call gets REG_ARGS_SIZE note.
1915 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1916 on noreturn calls even when the delta is 0.
1918 2012-01-11 Nathan Sidwell <nathan@acm.org>
1920 * gcov.c (STRING_SIZE): Remove.
1921 (generate_results): Erase annotations for source files with no
1922 coverage information.
1924 (output_lines): Use it.
1926 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1928 * gimple.h (gimplify_body): Remove first argument.
1929 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1930 pointer set here, instead just pass DATA to walk_tree.
1931 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1932 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1933 (unvisit_body): Likewise, but with unmark_visited.
1934 (gimplify_body): Remove BODY_P argument and adjust.
1935 (gimplify_function_tree): Adjust call to gimplify_body.
1936 * omp-low.c (finalize_task_copyfn): Likewise.
1938 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1940 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1941 (build_function_type_skip_args): Delete.
1942 * tree.c (build_function_type_skip_args): Make static and add
1943 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1944 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1945 pass it to build_function_type_skip_args.
1946 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1947 (tree_function_versioning): Likewise.
1948 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1949 build_function_decl_skip_args.
1950 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1951 and pass it to build_function_decl_skip_args/tree_function_versioning.
1952 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1953 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1954 * trans-mem.c (ipa_tm_create_version): Likewise.
1955 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1956 * tree-inline.c (declare_return_variable): Remove always-true test.
1957 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1958 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1959 * ipa-split.c (split_function): Skip the return value for the split
1960 part if it doesn't return.
1962 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1964 PR tree-optimization/49642
1965 * ipa-split.c (forbidden_dominators): New variable.
1966 (check_forbidden_calls): New function.
1967 (dominated_by_forbidden): Likewise.
1968 (consider_split): Check for forbidden dominators.
1969 (execute_split_functions): Initialize and free forbidden
1970 dominators info; call check_forbidden_calls.
1972 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1974 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1976 2012-01-11 Nick Clifton <nickc@redhat.com>
1978 * config/rx/rx.md (return): Define pattern.
1980 2012-01-11 Richard Guenther <rguenther@suse.de>
1982 * doc/extend.texi (malloc attribute): Adjust according to
1985 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1986 Patrick Marlier <patrick.marlier@gmail.com>
1989 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1990 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1991 (ipa_tm_note_irrevocable): Same.
1992 (ipa_tm_scan_irr_block): Same.
1993 (ipa_tm_decrement_clone_counts): Same.
1994 (ipa_tm_scan_irr_function): Same.
1995 (ipa_tm_create_version_alias): Same.
1996 (ipa_tm_create_version): Same.
1997 (ipa_tm_transform_calls_redirect): Same.
1998 (ipa_tm_transform_calls): Same.
1999 (ipa_tm_transform_transaction): Same.
2000 (ipa_tm_execute): Same.
2002 2012-01-10 Richard Guenther <rguenther@suse.de>
2005 * opts.c (common_handle_option): Handle -Werror.
2007 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
2009 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2012 2012-01-10 Jason Merrill <jason@redhat.com>
2014 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2017 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2019 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2020 supports R_386_TLS_GD_PLT reloc.
2021 (gcc_cv_as_ix86_tlsldmplt): Check if linker
2022 supports R_386_TLS_LDM_PLT reloc.
2023 * configure: Regenerate.
2024 * config.in: Regenerate.
2026 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
2029 Extend __pgmx semantics to linearize memory.
2030 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2031 determine if code comes inline or from libgcc.
2032 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2033 (movmem_qi, movmem_qi): Set constraint #2 to "n".
2034 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2035 (movmemx_qi, movmemx_hi): New insns.
2036 (xload_<mode>_libgcc): Rewrite to new insn condition.
2037 (xload_<mode>): Remove insns.
2038 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2039 cases that don't satisfy avr_xload_libgcc_p().
2040 (avr_addr_space_convert): Allow converting in any direction.
2041 (avr_addr_space_subset_p): Return always true.
2042 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2043 (avr_emit_movmemhi): Ditto.
2044 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2045 (avr_out_movmem): Ditto.
2046 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2047 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2048 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2049 (avr_encode_section_info): Encode 'progmem' in symbol flags.
2050 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2052 2012-01-10 Richard Guenther <rguenther@suse.de>
2054 PR tree-optimization/50913
2055 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2056 Require data-refs to be representable by Graphite with respect
2059 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
2061 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2062 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2064 2012-01-10 Tom de Vries <tom@codesourcery.com>
2066 PR rtl-optimization/51271
2067 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2068 handling annulled branch.
2070 2012-01-10 Richard Henderson <rth@redhat.com>
2072 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2073 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2074 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2075 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2076 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2077 arm_expand_vec_perm_const): New.
2078 * config/arm/arm-protos.h: Update.
2079 * config/arm/neon.md (UNSPEC_VCONCAT): New.
2080 (*neon_vswp<VDQX>): New.
2081 (neon_vcombine<VDX>): Use neon_split_vcombine.
2082 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2083 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2084 (vec_perm<VE>): New.
2086 2012-01-10 Richard Henderson <rth@redhat.com>
2088 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2089 use it if reload_completed.
2090 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2091 arm_output_asm_insn, arm_process_output_memory_barrier,
2092 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2093 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2094 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2095 arm_process_output_sync_insn, arm_output_sync_insn,
2096 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2097 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2098 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2099 (emit_unlikely_jump): New.
2100 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2101 (arm_split_atomic_op): New.
2102 * config/arm/arm-protos.h: Update.
2103 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2104 (struct arm_sync_generator): Remove.
2105 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2106 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2107 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2108 (VUNSPEC_LL, VUNSPEC_SC): New.
2109 (sync_result, sync_memory, sync_required_value, sync_new_value,
2110 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2111 (attr length): Don't use arm_sync_loop_insns.
2112 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2113 (movsfcc, movdfcc): Likewise.
2114 * config/arm/constraints.md (Ua): New.
2115 * config/arm/prediates.md (mem_noofs_operand): New.
2116 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2117 (sync_clobber, sync_t2_reqd): Remove.
2118 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2119 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2120 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2121 (arm_sync_compare_and_swap<SIDI>): Remove.
2122 (arm_sync_compare_and_swap<NARROW>): Remove.
2123 (arm_sync_lock_test_and_set<SIDI>): Remove.
2124 (arm_sync_lock_test_and_set<NARROW>): Remove.
2125 (arm_sync_new_<syncop><SIDI>): Remove.
2126 (arm_sync_new_<syncop><NARROW>): Remove.
2127 (arm_sync_new_nand<SIDI>): Remove.
2128 (arm_sync_new_nand<NARROW>): Remove.
2129 (arm_sync_old_<syncop><SIDI>): Remove.
2130 (arm_sync_old_<syncop><NARROW>): Remove.
2131 (arm_sync_old_nand<SIDI>): Remove.
2132 (arm_sync_old_nand<NARROW>): Remove.
2133 (*memory_barrier): Merge arm_output_memory_barrier.
2134 (atomic_compare_and_swap<QHSD>): New.
2135 (atomic_compare_and_swap<NARROW>_1): New.
2136 (atomic_compare_and_swap<SIDI>_1): New.
2137 (atomic_exchange<QHSD>): New.
2138 (cas_cmp_operand, cas_cmp_str): New.
2139 (atomic_op_operand, atomic_op_str): New.
2140 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2141 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2142 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2143 (arm_load_exclusive<NARROW>): New.
2144 (arm_load_exclusivesi, arm_load_exclusivedi): New.
2145 (arm_store_exclusive<QHSD>): New.
2147 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2149 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2150 reload patterns if -mvsx-scalar-memory.
2152 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2153 generated, even -mno-vsx-scalar-double was used.
2154 (vsx_xscvdpsp_scalar): Likewise.
2155 (vsx_xscvspdp_scalar2): Likewise.
2157 2012-01-09 Tom de Vries <tom@codesourcery.com>
2158 Andrew Pinski <apinski@cavium.com>
2161 * reorg.c (fill_slots_from_thread): Don't speculate
2162 frame-related insns.
2164 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
2166 * sched-int.h (bb_note): Move to...
2167 * basic-block.h: ...here.
2168 * haifa-sched.c (bb_note): Move to...
2169 * cfgrtl.c: ...here.
2170 * function.c (next_block_for_reg): New function.
2171 (move_insn_for_shrink_wrap): Likewise.
2172 (prepare_shrink_wrap): Rewrite to use the above.
2174 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
2176 * gimple.c (is_gimple_non_addressable): Remove.
2177 * gimple.h: Remove is_gimple_non_addressable.
2178 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2179 is_gimple_non_addressable.
2180 * trans-mem.c (expand_assign_tm): Same.
2182 2012-01-09 Richard Guenther <rguenther@suse.de>
2184 PR tree-optimization/51775
2185 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2186 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2188 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2190 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2192 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2194 2012-01-09 Richard Guenther <rguenther@suse.de>
2196 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2198 2012-01-08 Jan Hubicka <jh@suse.cz>
2200 PR tree-optimize/51680
2201 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2202 on when known_vals needs to be computed; cleanup.
2204 2012-01-08 Jan Hubicka <jh@suse.cz>
2206 PR tree-optimize/51694
2207 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2209 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
2211 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2212 for -std=c++98 and -std=c++11 too.
2214 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
2216 * cfgloop.c (cancel_loop): Add free() of bbs array.
2218 2012-01-07 Jan Hubicka <jh@suse.cz>
2220 PR tree-optimization/51600
2221 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2222 that benefits small functions.
2224 2012-01-07 Jan Hubicka <jh@suse.cz>
2226 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2228 2012-01-07 Jan Hubicka <jh@suse.cz>
2230 PR tree-optimization/51680
2231 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2232 whose inlining reduce unit size.
2234 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2237 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2238 Add canonical node to containing_mem chain after the non-canonical
2239 one, even if there weren't any locs to propagate.
2240 (remove_useless_values): Keep only canonical values.
2241 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2242 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2243 canonicalize mem_chain elements that are not discarded.
2245 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2248 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2249 before emitting functions.
2251 PR gcov-profile/50127
2252 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2253 clear_aux_for_blocks.
2255 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
2258 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2260 2012-01-06 Arnaud Charlet <charlet@adacore.com>
2262 * c-decl.c (ext_block): Moved up.
2263 (collect_all_refs, for_each_global_decl): Take ext_block into account.
2265 2012-01-06 Han Shen <shenhan@google.com>
2267 Translate built-in include paths for sysroot.
2268 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2269 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2271 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2272 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2274 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2275 control whether sysroot should be prepended to gxx include dir.
2277 * configure: Regenerate.
2279 2012-01-06 Torvald Riegel <triegel@redhat.com>
2281 PR rtl-optimization/51771
2282 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2283 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2285 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2287 PR tree-optimization/51315
2288 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2289 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2291 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
2294 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2295 for shrp pattern. Correctly handle and fixup shift variable.
2296 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2298 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2301 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2302 note when !ACCUMULATE_OUTGOING_ARGS.
2304 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2306 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2308 (extract_range_from_unary_expr_1): Avoid useless computations.
2310 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2312 PR rtl-optimization/51767
2313 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2314 of jump_block and add an extra edge for degenerated asm gotos.
2317 * stmt.c (check_unique_operand_names): Don't ICE during error
2318 reporting if i is from labels chain.
2321 * profile.c (branch_prob): Split bbs that have exit edge
2322 and need a fake entry edge too.
2324 2012-01-05 Jan Hubicka <jh@suse.cz>
2327 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2330 2012-01-05 Richard Guenther <rguenther@suse.de>
2333 * tree-streamer-out.c (write_ts_optimization): New function.
2334 (streamer_write_tree_body): Call it.
2335 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2336 (streamer_read_tree_body): Call it.
2337 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2339 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2342 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2343 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2344 in_cleanup_point_expr before gimplify_stmt call and restore it
2346 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2347 in_cleanup_point_expr is false.
2349 2012-01-05 Richard Guenther <rguenther@suse.de>
2352 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2354 * toplev.c (process_options): Reject combining mudflap and LTO.
2355 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2357 2012-01-05 Richard Guenther <rguenther@suse.de>
2359 PR tree-optimization/51760
2360 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2362 (bit_value_unop): Handle UNDEFINED operands.
2363 (bit_value_binop): Likewise.
2365 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2367 * config/avr/avr.c (avr_replace_prefix): Remove.
2368 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2369 (avr_asm_function_rodata_section): Ditto.
2370 (avr_asm_select_section): Ditto.
2372 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2374 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2377 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2380 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2381 calls that have any non-fake successor edges.
2384 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2386 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2388 PR tree-optimization/51624
2389 * tree-sra.c (build_ref_for_model): When replicating a chain of
2390 COMPONENT_REFs, stop as soon as the offset would become negative.
2392 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2395 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2396 in .debug_loc on the floor.
2398 2012-01-04 Andrew Pinski <apinski@cavium.com>
2400 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2402 2012-01-04 Andrew Pinski <apinski@cavium.com>
2403 Adam Nemet <anemet@caviumnetworks.com>
2405 * config/mips/mips.md (size): Add SI and DI.
2406 (SIZE): New mode attribute.
2407 (U): New code attribute.
2408 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2409 (mips_lbux_<mode>): Delete.
2410 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2411 (mips_lhx): Use gen_mips_lhx_extsi.
2412 (mips_lhx_<mode>): Delete.
2414 (mips_l<size>x): New expand.
2415 (mips_lwx_<mode>): Delete.
2416 (mips_l<GPR:size>x_<P:mode>): New pattern.
2417 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2418 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2419 * config/mips/mips.c (mips_lx_address_p): New function.
2420 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2421 (dsp64): New availability predicate.
2422 (mips_builtins): Add an entry for __builtin_mips_ldx.
2423 * config/mips/mips.h (ISA_HAS_LBX): New define.
2424 (ISA_HAS_LBUX): Likewise.
2425 (ISA_HAS_LHX): Likewise.
2426 (ISA_HAS_LHUX): Likewise.
2427 (ISA_HAS_LWX): Likewise.
2428 (ISA_HAS_LWUX): Likewise.
2429 (ISA_HAS_LDX): Likewise.
2430 * doc/extend.texi (__builtin_mips_ldx): Document.
2432 2012-01-04 Tristan Gingold <gingold@adacore.com>
2434 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2435 when long pointers are used.
2436 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2437 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2438 (ia64-hp-*vms*): Remove.
2439 * config/vms/xm-vms64.h: Delete.
2441 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2444 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2446 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2448 * opts.c (finish_options): Remove duplicate sorry.
2450 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2453 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2456 2012-01-04 Richard Guenther <rguenther@suse.de>
2459 * tree.c (size_low_cst): New function.
2460 * tree.h (size_low_cst): Declare.
2461 * fold-const.c (fold_comparison): Use it to extract the low
2462 part of the POINTER_PLUS_EXPR offset.
2464 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2466 Fix clearing ZERO_REG
2467 * config/avr/avr.md (cc): Add alternative "ldi".
2468 (movqi_insn): Use it in cc attribute.
2469 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2470 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2471 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2473 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2475 * configure: Regenerate.
2477 2012-01-04 Richard Guenther <rguenther@suse.de>
2479 PR tree-optimization/49651
2480 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2481 (var_can_have_subvars): Use it.
2482 (get_constraint_for_1): Only consider subfields if there can be any.
2484 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2487 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2488 to its new canonical_cselib_val and the cselib_val was in
2489 first_containing_mem chain, but the canonical_cselib_val was not,
2490 add the latter into the chain.
2491 (cselib_invalidate_mem): Compare canonical_cselib_val of
2492 addr_list chain elt with v.
2495 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2496 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2498 (output_macinfo_op): Don't ggc_strdup fd->filename.
2499 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2500 then ggc_strdup it. Don't free inc->info or cur->info.
2501 (output_macinfo): Don't free ref->info or file->info.
2503 2012-01-03 Ira Rosen <irar@il.ibm.com>
2505 PR tree-optimization/51269
2506 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2507 first_niters a pointer.
2508 (slpeel_tree_peel_loop_to_edge): Likewise.
2509 (vect_do_peeling_for_loop_bound): Update call to
2510 slpeel_tree_peel_loop_to_edge.
2511 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2512 here. Remove it from the parameters list.
2513 (vect_do_peeling_for_alignment): Update calls and compute
2516 2012-01-03 Richard Guenther <rguenther@suse.de>
2518 PR tree-optimization/51070
2519 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2520 Properly handle calls.
2522 2012-01-03 Richard Guenther <rguenther@suse.de>
2524 PR tree-optimization/51692
2525 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2526 the LHS of allocation stmts.
2528 2012-01-03 Olivier Hainque <hainque@adacore.com>
2530 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2532 2012-01-03 Olivier Hainque <hainque@adacore.com>
2534 * collect2.c (main): In AIX specific computations for vector
2535 insertions, use CONST_CAST2 to cast from char ** to const char **.
2537 2012-01-03 Richard Guenther <rguenther@suse.de>
2540 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2541 the context of a limbo DIE when it does not already exist.
2543 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2545 PR tree-optimization/51719
2546 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2547 but direct call is, clear direct call's lhs and don't add fallthrough
2548 edge from dcall_bb to join_bb and PHIs.
2550 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2552 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2553 the instructions emitted by the pattern.
2554 ("*TDC_insn_<mode>"): Add comment.
2556 2012-01-03 Richard Guenther <rguenther@suse.de>
2559 * fold-const.c (fold_comparison): Properly canonicalize
2560 tree offset and HOST_WIDE_INT bit position.
2562 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2564 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2565 operands for extzv pattern.
2567 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2570 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2573 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2575 * doc/invoke.texi (-flto and related options): Copy-edit.
2577 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2579 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2581 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2583 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2586 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2588 * expr.h (move_by_pieces_ninsns): Declare.
2589 * expr.c (move_by_pieces_ninsns): Make external.
2590 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2591 (mips_store_by_pieces_p): Likewise.
2592 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2593 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2594 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2595 (mips_store_by_pieces_p): Likewise.
2597 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2599 * passes.c (register_one_dump_file): Free full_name.
2601 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2602 (calculate_elim_costs_all_insns): Free offsets_at and
2603 offsets_known_at at the end and clear the pointers.
2605 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2607 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2608 this option introduced in r180739.
2610 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2613 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2614 (tmake_file target=avr): Add avr/t-multilib.
2616 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2617 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2618 * config/avr/genmultilib.awk: New file.
2619 * config/avr/t-multilib: New auto-generated file.
2620 * config/avr/multilib.h: New auto-generated file.
2621 * config/avr/t-avr (AVR_MCUS): New variable.
2622 (genopt.sh): Use it.
2623 (s-mlib): Depend on t-multilib.
2624 (t-multilib, multilib.h): New dependencies.
2625 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2626 (MULTILIB_OPTIONS): Remove.
2627 (MULTILIB_MATCHES): Remove.
2628 (MULTILIB_DIRNAMES): Remove.
2629 (MULTILIB_EXCEPTIONS): Remove:
2630 * config/avr/genopt.sh: Don't use hard coded file name;
2631 pass AVR_MCUS from t-avr instead.
2633 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2635 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2637 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2639 Implement light-weight DImode support.
2640 * config/avr/avr-dimode.md: New file.
2641 * config/avr/avr.md: Include it.
2642 (adjust_len): Add plus64, compare64.
2643 (HIDI): Remove code iterator.
2644 (code_stdname): New code attribute.
2645 (rotx, rotsmode): Remove DI.
2646 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2648 * config/avr/avr-protos.h (avr_have_dimode): New.
2649 (avr_out_plus64, avr_out_compare64): New.
2650 * config/avr/avr.c (avr_out_compare): Handle DImode.
2651 (avr_have_dimode): New variable definition and initialization.
2652 (avr_out_compare64, avr_out_plus64): New functions.
2653 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2654 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2655 (avr_compare_pattern): Skip DImode comparisons.
2657 2012-01-02 Revital Eres <revital.eres@linaro.org>
2659 * ddg.c (def_has_ccmode_p): New function.
2660 (add_cross_iteration_register_deps,
2661 create_ddg_dep_from_intra_loop_link): Call it.
2663 2012-01-02 Richard Guenther <rguenther@suse.de>
2666 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2668 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2670 * gcc.c (process_command): Update copyright notice dates.
2671 * gcov.c (print_version): Likewise.
2672 * gcov-dump.c (print_version): Likewise.
2673 * mips-tfile.c (main): Likewise.
2674 * mips-tdump.c (main): Likewise.
2676 2012-01-01 Ira Rosen <irar@il.ibm.com>
2678 PR tree-optimization/51704
2679 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2680 a use is inside the basic block or loop before accessing its vect info.
2682 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2684 PR rtl-optimization/51069
2685 * cfgloopmanip.c (remove_path): Removing path making irreducible
2686 region unconditional makes BB part of the region.
2688 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2690 PR tree-optimization/51683
2691 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2692 calls with side-effects.
2693 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2695 Copyright (C) 2012 Free Software Foundation, Inc.
2697 Copying and distribution of this file, with or without modification,
2698 are permitted in any medium without royalty provided the copyright
2699 notice and this notice are preserved.