1 2012-02-16 Jakub Jelinek <jakub@redhat.com>
3 PR tree-optimization/52255
4 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
5 loop->header has virtual PHI, but exit_e->dest doesn't, add
6 virtual PHI to exit_e->dest and adjust all uses after the loop.
9 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
10 children with clone_tree_hash, not after it.
12 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
14 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
17 2012-02-16 Jakub Jelinek <jakub@redhat.com>
20 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
21 a same_body_alias, also test whether e->callee isn't a former
22 or current clone of the decl this is a same body alias of.
25 * cgraphunit.c (verify_cgraph_node): Fix a typo.
27 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
29 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
31 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
34 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
35 force_reg instead of copy_to_reg for better optimization. Force
36 non-register or memory operands into a register.
38 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
40 * extend.texi: Reserve upper bits of memory model for future use.
42 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
43 Anatoly Sokolov <aesok@post.ru>
44 Eric Weddington <eric.weddington@atmel.com>
47 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
48 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
49 Rewrite initializers for .macro.
50 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
51 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
52 atxmega32d4, atxmega32x1.
53 avrxmega4: atxmega64a3, atxmega64d3.
54 avrxmega5: atxmega64a1, atxmega64a1u.
55 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
56 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
57 avrxmega7: atxmega128a1, atxmega128a1u.
58 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
59 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
60 (struct base_arch_s): Rename reserved to xmega_p.
61 Rename reserved2 to have_rampd.
62 (AVR_XMEGA): New define.
63 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
64 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
65 * config/avr/predicates.md (io_address_operand): Take into
67 (low_io_address_operand): Ditto.
68 (high_io_address_operand): Ditto.
69 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
70 (enabled, movhi_sp_r): Use them.
71 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
72 cpp_define_formatted to built-in define __AVR_ARCH__.
73 (__AVR_XMEGA__): New built-in define.
74 (__AVR_HAVE_RAMPD__): New built-in define.
75 (__AVR_HAVE_RAMPX__): New built-in define.
76 (__AVR_HAVE_RAMPY__): New built-in define.
77 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
79 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
80 (avr_option_override): Initialize them.
81 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
82 (avr_init_expanders): Initialize them. No more block several calls.
83 (emit_push_sfr): New static function.
84 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
86 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
87 (avr_print_operand): Print addreeses as symbols for
88 RAMPX, RAMPY, RAMPD, CCP.
89 (output_movhi): Handle AVR_XMEGA when writing to SP.
90 (avr_out_movhi_mr_r_xmega): New static function.
91 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
92 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
93 __RAMPD__, __CCP__ as needed.
95 * config/avr/multilib.h: Regenerate.
96 * config/avr/t-multilib: Regenerate.
97 * config/avr/avr-tables.opt: Regenerate.
99 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
101 PR tree-optimization/50561
102 * graphite-flattening.c (lst_project_loop): Do not
103 remove old scattering dimensions after flattening.
104 (lst_do_flatten): Likewise.
106 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
108 * doc/extend.texi (AVR Built-in Functions): Remove doc for
109 __builtin_avr_map8, __builtin_avr_map16.
110 Document __builtin_avr_insert_bits.
112 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
113 (insert_bits): New insn.
114 (adjust_len.map_bits): Rename to insert_bits.
115 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
116 * avr-protos.h (avr_out_map_bits): Remove.
117 (avr_out_insert_bits, avr_has_nibble_0xf): New.
118 * config/avr/constraints.md (Cxf,C0f): New.
119 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
120 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
121 New built-in define __BUILTIN_AVR_INSERT_BITS.
122 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
123 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
124 (avr_move_bits): Rewrite.
125 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
127 (avr_map_op_t): New typedef.
128 (avr_map_op): New static variable.
129 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
130 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
131 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
132 (bdesc_3arg, avr_expand_triop_builtin): New.
133 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
134 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
135 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
136 (avr_map_equal_p, avr_map_sig_p): Remove.
137 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
138 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
139 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
140 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
141 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
142 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
144 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
146 * config/c6x/c6x.md (reserve_cycles): New attribute.
147 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
148 don't reserve functional units after the branch occurs.
150 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
153 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
154 functions into non-tm_pure functions.
156 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
159 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
160 (iterative_hash_canonical_type): Likewise.
161 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
164 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
166 * haifa-sched.c (prune_ready_list): Ensure that if there is a
167 sched-group insn, it either remains alone or the entire list is
170 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
172 * doc/install.texi (Prerequisites): Fix grammar.
173 (Configuration): Likewise.
175 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
177 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
178 MPC as part of GCC before describing configuring with --with-gmp etc.
179 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
182 2012-02-14 Jakub Jelinek <jakub@redhat.com>
185 * dwarf2out.c (clone_tree_hash): New function.
186 (copy_decls_walk): Use it instead of clone_tree.
188 2012-02-14 Richard Guenther <rguenther@suse.de>
190 PR tree-optimization/52244
191 PR tree-optimization/51528
192 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
193 replacements for integral types.
195 2012-02-14 Walter Lee <walt@tilera.com>
197 * config.gcc: Handle tilegx and tilepro.
198 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
200 Add HAVE_AS_TLS check for tilegx and tilepro.
201 * configure: Regenerate.
202 * doc/contrib.texi: Add Mat Hostetter and self.
203 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
204 Document instruction intrinsics and network accessing intrinsics.
205 (TILEPro Built-in Functions): New node. Document instruction
206 intrinsics and network accessing intrinsics.
207 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
208 (Specific, tilepro-*-linux*): Likewise.
209 * doc/invoke.texi (TILE-Gx Options): New section.
210 (TILEPro Options): New section.
211 * doc/md.texi (TILE-Gx): New section.
212 (TILEPro): New section.
213 * common/config/tilegx/tilegx-common.c: New file.
214 * common/config/tilepro/tilepro-common.c: New file.
215 * config/tilegx/constraints.md: New file.
216 * config/tilegx/linux.h: New file.
217 * config/tilegx/mul-tables.c: New file.
218 * config/tilegx/predicates.md: New file.
219 * config/tilegx/sync.md: New file.
220 * config/tilegx/t-tilegx: New file.
221 * config/tilegx/tilegx-builtins.h: New file.
222 * config/tilegx/tilegx-c.c: New file.
223 * config/tilegx/tilegx-generic.md: New file.
224 * config/tilegx/tilegx-modes.def: New file.
225 * config/tilegx/tilegx-multiply.h: New file.
226 * config/tilegx/tilegx-protos.h: New file.
227 * config/tilegx/tilegx.c: New file.
228 * config/tilegx/tilegx.h: New file.
229 * config/tilegx/tilegx.md: New file.
230 * config/tilegx/tilegx.opt: New file.
231 * config/tilepro/constraints.md: New file.
232 * config/tilepro/gen-mul-tables.cc: New file.
233 * config/tilepro/linux.h: New file.
234 * config/tilepro/mul-tables.c: New file.
235 * config/tilepro/predicates.md: New file.
236 * config/tilepro/t-tilepro: New file.
237 * config/tilepro/tilepro-builtins.h: New file.
238 * config/tilepro/tilepro-c.c: New file.
239 * config/tilepro/tilepro-generic.md: New file.
240 * config/tilepro/tilepro-modes.def: New file.
241 * config/tilepro/tilepro-multiply.h: New file.
242 * config/tilepro/tilepro-protos.h: New file.
243 * config/tilepro/tilepro.c: New file.
244 * config/tilepro/tilepro.h: New file.
245 * config/tilepro/tilepro.md: New file.
246 * config/tilepro/tilepro.opt: New file.
248 2012-02-14 Jakub Jelinek <jakub@redhat.com>
250 PR tree-optimization/52210
251 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
252 vect_model_simple_cost with two entry vect_def_type array instead
255 2012-02-14 Richard Guenther <rguenther@suse.de>
258 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
259 Do not stream DECL_QUALIFIER.
260 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
261 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
262 (find_decls_types_r): Do not walk DECL_QUALIFIER.
264 2012-02-14 Jakub Jelinek <jakub@redhat.com>
267 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
270 2012-02-13 Jakub Jelinek <jakub@redhat.com>
273 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
274 * cselib.c (cselib_subst_to_values_from_insn): New function.
275 * sched-deps.c (add_insn_mem_dependence,
276 sched_analyze_1, sched_analyze_2): Use it.
278 2012-02-13 Jan Hubicka <jh@suse.cz>
281 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
283 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
285 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
286 (GTM_SELF_SPECS): Define if not already defined.
287 (driver_self_specs): Add GTM_SELF_SPECS.
288 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
289 (GTM_SELF_SPECS): Define.
290 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
291 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
293 2012-02-13 Jakub Jelinek <jakub@redhat.com>
295 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
298 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is
302 * omp-low.c (expand_omp_for): If a static schedule without
303 chunk size has NULL region->cont, force fd.chunk_size to be
306 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
309 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
311 2012-02-13 Richard Guenther <rguenther@suse.de>
314 * passes.c (enable_disable_pass): Fix typo.
316 2012-02-13 Jakub Jelinek <jakub@redhat.com>
319 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
320 XOR for reduce_bit_field if type is unsigned.
322 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
324 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
325 disallow changes from SFmode to mode with different size in FP regs.
327 2012-02-12 Robert Millan <rmh@gnu.org>
328 Gerald Pfeifer <gerald@pfeifer.com>
330 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
333 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
335 PR rtl-optimization/52175
336 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
337 to frame-related instructions.
339 2012-02-10 Jason Merrill <jason@redhat.com>
342 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
343 (demangle_new_symbols): Fill it.
344 (scan_linker_output): Walk it.
345 (start_tweaking): Split out from scan_linker_output.
346 (maybe_tweak): Update sym->chosen.
347 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
349 2012-02-11 Jakub Jelinek <jakub@redhat.com>
352 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
355 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
357 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
358 having the same mode as previous compare.
360 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
362 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
363 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
364 (nonlocal_goto_internal): Likewise.
365 (nonlocal_goto): Emit a use and an indirect jump directly.
367 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
370 * doc/extend.texi : Update comments for __atomic_compare_exchange and
371 __atomic_{is,always}_lock_free.
373 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
376 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
377 negative constant address for x32.
379 2012-02-10 Richard Henderson <rth@redhat.com>
381 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
382 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
383 for GIMPLE_TRANSACTION. Tidy if's into a switch.
385 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
386 Ira Rosen <irar@il.ibm.com>
388 PR tree-optimization/50031
389 * targhooks.c (default_builtin_vectorization_cost): Handle
391 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
392 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
393 all types of reduction and pattern statements.
394 (vect_estimate_min_profitable_iters): Likewise.
395 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
396 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
397 for explicit realigns.
398 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
399 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
401 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
402 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
403 vec_perm for VSX and handle vec_promote_demote.
405 2012-02-10 Jakub Jelinek <jakub@redhat.com>
408 * builtins.c (fold_builtin_atomic_always_lock_free,
409 expand_builtin_atomic_always_lock_free,
410 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
411 Return and/or test boolean_true_node/boolean_false_node instead of
412 integer_one_node/integer_zero_node.
414 2012-02-10 Jan Hubicka <jh@suse.cz>
417 * predict.c (predict_paths_for_bb): Prevent looping.
418 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
420 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
422 * config/arm/arm.c (output_move_double): In one case properly
423 count number of instructions that will be emitted.
425 2012-02-10 Richard Guenther <rguenther@suse.de>
428 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
430 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
433 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
435 2012-02-09 Jakub Jelinek <jakub@redhat.com>
438 * var-tracking.c (emit_note_insn_var_location): If
439 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
440 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
441 non-NOTE_DURING_CALL_P insn.
443 2012-02-09 Bin Cheng <bin.cheng@arm.com>
446 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
448 2012-02-08 Magnus Granberg <zorry@gentoo.org>
451 * gcc.c (switch_matches) Support switches with separated form,
454 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
456 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
459 * config/avr/avr.c (avr_addr_t): New typedef.
460 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
461 (avr_init_expanders): Initialize it.
462 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
464 (expand_epilogue): Ditto.
465 (avr_print_operand): Ditto.
466 (avr_file_start): Ditto.
467 (avr_emit_movmemhi): Ditto.
469 2012-02-08 Richard Guenther <rguenther@suse.de>
471 PR tree-optimization/46886
472 * tree-flow.h (do_while_loop_p): Declare.
473 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
474 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
476 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
478 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
479 always succeed for integers larger than a native word.
481 2012-02-08 Richard Guenther <rguenther@suse.de>
483 PR rtl-optimization/52170
484 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
485 properly handle integer vector modes.
487 2012-02-08 Jakub Jelinek <jakub@redhat.com>
489 PR gcov-profile/52150
490 * coverage.c: Include target.h.
491 (build_var): Call targetm.strip_name_encoding on the assembler name.
492 Change one _ into . or $ if the target allows it.
493 * Makefile.in (coverage.o): Depend on $(TARGET_H).
495 PR rtl-optimization/52139
496 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
497 is a BARRIER after emit_insn_after_noloc, move BB_END
498 to the last non-BARRIER insn before it.
500 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
503 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
504 (mips_gimplify_va_arg_expr): Call it instead of
505 std_gimplify_va_arg_expr.
507 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
509 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
510 message for -mno-pointers-to-nested-function.
512 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
515 * expr.c (get_inner_reference): If there is an offset, add a negative
516 bit position to it (if any).
518 2012-02-07 Jakub Jelinek <jakub@redhat.com>
520 PR rtl-optimization/52060
521 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
522 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
523 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
524 and/or i0src_copy2 when needed.
526 2012-02-07 Jakub Jelinek <jakub@redhat.com>
528 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
529 or LTOPLUGINSONAME if have_c.
531 * config/freebsd-spec.h: Add comment about what macros can be defined
533 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
534 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
537 2012-02-07 Richard Guenther <rguenther@suse.de>
539 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
540 newline in -alias dumps.
542 2012-02-07 Kai Tietz <ktietz@redhat.com>
543 Dave Korn <dave.korn.cygwin@gmail.com>
546 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
547 Take care that typinfo gets dllexport-attribute.
549 2012-02-07 Jakub Jelinek <jakub@redhat.com>
552 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
553 if modifier < EXPAND_SUM call force_operand on the result.
555 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
557 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
558 adding __forwarder_dst__ prefix if a forwarder_section attribute is
560 (epiphany_function_type): Replace types for specific interrupts with
561 EPIPHANY_FUNCTION_INTERRUPT.
562 (EPIPHANY_INTERRUPT_P): Update.
563 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
565 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
566 <disinterrupt>: Affects type identity.
567 (epiphany_handle_interrupt_attribute): Handle variable number of
569 (epiphany_compute_function_type): Update for new
570 epiphany_function_type definition.
571 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
572 handlers with a longcall forwarder.
573 (epiphany_start_function): Handle multiple interrupt arguments and/or
574 forwarder_section attribute.
576 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
579 2012-02-07 Alan Modra <amodra@gmail.com>
582 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
585 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
587 PR tree-optimization/50969
588 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
589 use vec_perm rather than vector_stmt.
590 (vect_model_load_cost): Likewise.
591 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
592 vec_perm to be the same as other vector statements.
593 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
594 cost of vec_perm for TARGET_VSX.
596 2012-02-06 Richard Guenther <rguenther@suse.de>
598 PR tree-optimization/52115
599 * tree-sra.c (access_has_replacements_p): New function.
600 (sra_modify_assign): Use it to decide whether a use is uninitialized.
602 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
605 * trans-mem.c (expand_call_tm): Add an assertion.
606 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
609 2012-02-06 Richard Guenther <rguenther@suse.de>
611 PR tree-optimization/50955
612 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
613 raise cost of expressions that replace an address with an
614 expression based on a different pointer.
616 2012-02-06 Jakub Jelinek <jakub@redhat.com>
619 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
620 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
622 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
625 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
626 -Weffc++ and specify guidelines come from second edition.
628 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
630 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
631 (sibcall_value_multiple_internal, call_split, call_internal_direct)
632 (call_direct_split, call_value_split, call_value_internal_direct)
633 (call_value_direct_split, call_value_multiple_split): Use jal and
634 jal_macro attributes.
636 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
638 * reload1.c (reload_regs_reach_end_p): Replace with...
639 (reload_reg_rtx_reaches_end_p): ...this function.
640 (new_spill_reg_store): Update commentary.
641 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
642 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
643 before setting new_spill_reg_store.
644 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
645 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
646 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
647 for non-spill reload registers.
649 2012-02-05 Ira Rosen <irar@il.ibm.com>
651 PR tree-optimization/52091
652 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
653 (vect_is_simple_use_1): Likewise.
654 * tree-vect-loop.c (vectorizable_reduction): Update calls
655 to vect_is_simple_use_1 and vect_is_simple_use.
656 (vectorizable_live_operation): Likewise.
657 * tree-vect-patterns.c (widened_name_p,
658 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
659 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
660 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
661 vectorizable_shift,vectorizable_operation, vectorizable_store,
662 vectorizable_load): Likewise.
663 (vect_is_simple_cond): Add an argument, pass it to
664 vect_is_simple_use_1.
665 (vectorizable_condition): Update calls to vect_is_simple_cond,
667 (vect_is_simple_use): Add an argument, the statement in which
668 OPERAND is used. Check that if OPERAND's def stmt is a double
669 reduction phi node, the use is a phi node too.
670 (vect_is_simple_use_1): Add an argument, pass it to
672 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
673 to vect_is_simple_use.
675 2012-02-04 Jakub Jelinek <jakub@redhat.com>
677 PR rtl-optimization/52095
678 * modulo-sched.c (dump_insn_locator): New function.
679 (loop_canon_p, sms_schedule): Use it.
681 PR rtl-optimization/52113
682 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
683 even for decomposable shift/zext insns.
685 2012-02-03 Jakub Jelinek <jakub@redhat.com>
686 Zdenek Dvorak <ook@ucw.cz>
688 PR rtl-optimization/52092
689 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
690 on get_iv_value result.
692 2012-02-02 Andrew Pinski <apinski@cavium.com>
696 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
698 2012-02-02 Jakub Jelinek <jakub@redhat.com>
701 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
703 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
705 PR rtl-optimization/49800
706 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
707 (sched_finish): Call regstat_free_n_sets_and_refs.
709 2012-02-02 Jia Liu <proljc@gmail.com>
711 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
714 2012-02-02 Jan Hubicka <jh@suse.cz>
715 Tom de Vries <tom@codesourcery.com>
718 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
719 * varpool.c (varpool_analyze_pending_decls): Likewise.
721 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
722 Jayant R Sonar <jayant.sonar@kpitcummins.com>
724 * config.gcc: Add cr16-* support.
726 * doc/extend.texi: Document cr16 extensions.
727 * doc/install.texi: Document cr16 install.
728 * doc/invoke.texi: Document cr16 options.
729 * doc/md.texi: Document cr16 constraints.
731 * common/config/cr16/cr16-common.c: New file.
732 * config/cr16/cr16.c: New file.
733 * config/cr16/cr16.h: New file.
734 * config/cr16/cr16.md: New file.
735 * config/cr16/cr16.opt: New file.
736 * config/cr16/cr16-protos.h: New file.
737 * config/cr16/predicates.md: New file.
738 * config/cr16/constraints.md: New file.
739 * config/cr16/t-cr16: New file.
741 2012-02-02 Jakub Jelinek <jakub@redhat.com>
744 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
745 that operands[2] is either immediate, or q_regs_operand.
747 PR tree-optimization/52073
748 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
749 a pattern stmt for pattern uses, ignore uses outside of the loop.
751 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
753 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
754 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
755 (OUT_AS1, OUT_AS2): Remove.
757 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
759 PR rtl-optimization/51374
760 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
761 to cross other volatile_refs_p insns.
763 2012-02-01 Richard Guenther <rguenther@suse.de>
765 * doc/invoke.texi (fno-inline): Clarify documentation.
766 (finline-small-functions): Likewise.
767 (finline-functions): Likewise.
768 * common.opt (finline): Adjust comment and documentation.
769 (finline-small-functions): Clarify documentation.
770 (finline-functions): Likewise.
771 (finline-functions-called-once): Likewise.
773 2012-02-01 Tristan Gingold <gingold@adacore.com>
775 * c-typeck.c (composite_type): Keep mode for pointers.
777 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
779 * function.h (regno_reg_rtx): Adjust comment.
780 * reginfo.c (init_reg_modes_target): Only use the previous mode
781 if it fits within one register. Remove MIPS comment.
783 2012-01-31 Jakub Jelinek <jakub@redhat.com>
786 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
788 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
790 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
793 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
795 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
797 2012-01-31 Jakub Jelinek <jakub@redhat.com>
802 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
804 2012-01-31 Richard Guenther <rguenther@suse.de>
806 PR tree-optimization/51528
807 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
810 2012-01-31 Jakub Jelinek <jakub@redhat.com>
815 * ree.c (add_removable_extension): Change def_map argument
816 to unsigned *, store in def_map 1 + offset into *insn_list vector
817 instead of pointers into the vector.
818 (find_removable_extensions): Adjust caller.
820 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
822 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
823 Transform all "* quoted-c-code" to { c-code }.
824 Remove redundant test for "optimize" in combine patterns.
825 Move (include "avr-dimode.md") to end of file.
827 2012-01-30 Bin Cheng <bin.cheng@arm.com>
830 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
831 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
833 2012-01-30 Richard Guenther <rguenther@suse.de>
835 PR tree-optimization/52028
836 * tree-loop-distribution.c (ldist_gen): Properly update
839 2012-01-30 Jakub Jelinek <jakub@redhat.com>
842 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
843 set_cur_line_info_table if not emitting debug info.
845 PR tree-optimization/52046
846 * tree-vect-patterns.c (check_bool_pattern): Give up if
847 a comparison could throw.
850 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
852 2012-01-30 Richard Guenther <rguenther@suse.de>
854 PR tree-optimization/52045
855 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
856 SSA form if cfgcleanup did anything.
858 2012-01-30 Richard Guenther <rguenther@suse.de>
860 PR tree-optimization/52045
861 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
862 before computing final todo.
864 2012-01-30 Richard Guenther <rguenther@suse.de>
866 PR tree-optimization/51528
867 * tree-sra.c (sra_modify_assign): Re-factor in preparation
870 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
872 * df-problems.c (df_kill_notes): Check that the use refers
873 to the note under examination.
875 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
878 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
879 parameter and use short-lived pseudos.
880 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
881 (sparc_expand_vector_init): Const-ify local variables and adjust
882 calls to above functions.
884 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
886 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
888 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
890 * doc/invoke.texi: Make usage of "compile time" and
891 "run time"/"runtime" consistent throughout the file.
893 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
895 * config/alpha/alpha.c (alpha_option_override): Default to
896 full IEEE compliance mode for Go language.
898 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
900 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
901 (LINK_SSP_SPEC): Define.
903 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
906 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
909 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
911 * doc/invoke.texi: Correct hyphenation of "floating point",
912 "double precision", and related terminology throughout the file.
914 2012-01-28 Jakub Jelinek <jakub@redhat.com>
917 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
918 arm_general_register_operand predicate for operand 2 instead of
921 2012-01-27 Ian Lance Taylor <iant@google.com>
924 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
925 * builtins.c (expand_builtin_init_trampoline): Add onstack
926 parameter. Change caller.
927 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
928 * tree.c (build_common_builtin_nodes): Declare
929 __builtin_init_heap_trampoline.
931 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
933 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
934 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
935 * config/avr/avr.c: Ditto.
936 (avr_regnames): Remove because unused.
937 * config/avr/avr.md (*cpse.ne): New peephole.
938 (*cpse.eq): New peephole from former cpse peepholes.
940 2012-01-27 Michael Eager <eager@eagercon.com>
942 * config/microblaze.c (microblaze_emit_compare): Correct
943 test after pcmp instruction.
945 2012-01-27 Richard Guenther <rguenther@suse.de>
947 PR tree-optimization/52020
948 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
950 2012-01-27 Richard Guenther <rguenther@suse.de>
952 * ipa-pure-const.c (check_stmt): Clobbers do not make a
953 function non-const/pure.
955 2012-01-27 Richard Guenther <rguenther@suse.de>
957 PR tree-optimization/50444
958 * tree-sra.c (build_ref_for_offset): Properly adjust the
959 MEM_REF type for unaligned accesses.
961 2012-01-27 Richard Guenther <rguenther@suse.de>
963 PR tree-optimization/50444
964 * expr.c (mem_ref_refers_to_non_mem_p): New function.
965 (expand_assignment): Use it. Properly handle misaligned
966 bases when expanding stores to component references.
967 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
970 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
973 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
974 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
975 * tree-data-ref.c (find_data_references_in_loop): Make static.
976 (compute_all_dependences): Change return type to bool. Bail out
977 for too many datarefs in a loop. Move the hunk resetting the data
978 dependences vector from ...
979 (compute_data_dependences_for_loop): ... here. Account for
980 compute_all_dependences returning false.
981 (compute_data_dependences_for_bb): Likewise.
982 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
983 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
985 2012-01-27 Richard Guenther <rguenther@suse.de>
988 * expr.c (store_field): Use the alias-set of the scratch memory
991 2012-01-27 Tom de Vries <tom@codesourcery.com>
993 PR tree-optimization/51990
994 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
996 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
998 2012-01-27 Jakub Jelinek <jakub@redhat.com>
1001 * var-tracking.c (reverse_op): Don't add any reverse operation
1002 if V already has any constant locations.
1004 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1006 * doc/invoke.texi: Correct usage of "command line" (noun)
1007 vs "command-line" (adjective) throughout.
1009 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1011 * doc/invoke.texi (Language Independent Options): Move
1012 -Wcoverage-mismatch blurb from here....
1013 (Warning Options): ...to here.
1015 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
1017 * config/rs6000/rs6000.c (rs6000_option_override_internal):
1018 Set rs6000_always_hint to false for 476.
1020 2012-01-27 Matthias Klose <doko@ubuntu.com>
1022 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1024 * incpath.c (add_standard_paths): Likewise.
1026 2012-01-27 Richard Henderson <rth@redhat.com>
1028 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1029 * config/m68k/sync.md (atomic_test_and_set): Rename from
1030 sync_test_and_setqi and adjust the operands.
1031 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1032 and unconditionally enable.
1034 2012-01-27 Richard Henderson <rth@redhat.com>
1036 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1037 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1038 (ldstub): Rename from ldstubqi.
1039 (ldstub<I24MODE>): Remove.
1041 2012-01-27 Richard Henderson <rth@redhat.com>
1043 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1044 * c-cppbuiltin.c (cpp_atomic_builtins): Define
1045 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1046 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1047 * doc/tm.texi: Rebuild.
1049 2012-01-27 Richard Henderson <rth@redhat.com>
1051 * optabs.c (gen_atomic_test_and_set): Remove default.
1052 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1054 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1056 PR rtl-optimization/51978
1057 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1058 (combine_reaching_defs): Likewise.
1059 (struct re_info): Remove.
1060 (add_removable_extension): Remove x and data arguments,
1061 add insn, insn_list and def_map. Use the arguments directly
1062 instead of using struct re_info.
1063 (find_removable_extensions): Don't call add_removable_extension
1064 through note_stores, instead just call it with single_set
1066 (find_and_remove_re): Pass curr_cand->expr instead of
1067 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1069 2012-01-26 Michael Matz <matz@suse.de>
1071 PR tree-optimization/46590
1072 * cfgexpand.c: Revert last change (r183305).
1073 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1075 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1076 checking for emptiness.
1078 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1081 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1082 non-addressable non-BLKmode base correctly.
1084 2012-01-26 Michael Matz <matz@suse.de>
1086 PR tree-optimization/48794
1087 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1088 regions referenced from RESX/EH_DISPATCH.
1090 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1092 * config/s390/s390.h: Make BRANCH_COST an option.
1093 * config/s390/s390.opt: New option -mbranch-cost.
1095 2012-01-26 Richard Henderson <rth@redhat.com>
1097 Revert 2012-01-24 change:
1098 * trans-mem.c (requires_barrier): Do not instrument thread local
1099 variables and emit save/restore for them.
1101 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1104 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1107 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
1109 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1112 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
1115 Rename __pgm to __flash.
1116 Rename __pgm1 to __flash1.
1117 Rename __pgm2 to __flash2.
1118 Rename __pgm3 to __flash3.
1119 Rename __pgm4 to __flash4.
1120 Rename __pgm5 to __flash5.
1121 Rename __pgmx to __memx.
1122 * doc/extend.texi (AVR Named Address Spaces)
1123 Rename address space names as indicated above.
1124 * config/avr/avr.c (avr_addrspace): Ditto.
1126 * config/avr/avr-protos.h
1127 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1128 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1129 * config/avr/predicates.md: Ditto.
1130 * config/avr/avr.c Ditto, and
1131 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1132 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1134 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1135 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1136 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1137 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1138 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1139 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1140 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1141 * config/avr/avr.c: Ditto.
1142 * config/avr/avr.md: Ditto.
1144 2012-01-25 Jason Merrill <jason@redhat.com>
1147 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1149 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1151 PR tree-optimization/51987
1152 * tree-data-ref.c (get_references_in_stmt): Handle references in
1153 non-volatile GIMPLE_ASM.
1155 2012-01-25 Richard Guenther <rguenther@suse.de>
1157 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1158 bases are dereferenced.
1160 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1162 PR rtl-optimization/48374
1163 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1165 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1167 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1168 compute_data_dependences_for_loop returns false.
1169 * tree-parloops.c (loop_parallel_p): Likewise.
1171 2012-01-25 Richard Guenther <rguenther@suse.de>
1173 * tree.h (get_pointer_alignment_1): Declare.
1174 * builtins.c (get_pointer_alignment_1): New function.
1175 (get_pointer_alignment): Use it.
1177 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1179 PR rtl-optimization/48308
1180 * combine.c (enum undo_kind): Add UNDO_LINKS.
1181 (struct undo): Add member l to other_contents and where.
1182 (do_SUBST_LINK): New.
1184 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1185 (undo_all): Handle UNDO_LINKS.
1187 2012-01-25 Richard Henderson <rth@redhat.com>
1189 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1192 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1194 * optabs.c (gen_atomic_test_and_set): Use each argument.
1196 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1198 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1199 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1200 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1201 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1202 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1203 TARGET_PAIRED_SINGLE_FLOAT.
1205 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1207 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1208 (in_struct, return_val): Remove MEM documentation.
1209 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1210 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1211 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1213 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1214 * cfgexpand.c (add_alias_set_conflicts): Likewise.
1215 * expr.c (store_field): Likewise.
1216 * function.c (assign_stack_temp_for_type): Likewise.
1217 * ifcvt.c (noce_try_cmove_arith): Likewise.
1218 * reload1.c (reload): Likewise.
1219 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1220 (alpha_set_memflags): Likewise.
1221 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1223 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1225 * rtl.h (true_dependence, canon_true_dependence): Remove varies
1227 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1228 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1229 (true_dependence_1, true_dependence, canon_true_dependence): Remove
1231 * cselib.c (cselib_rtx_varies_p): Delete.
1232 (cselib_invalidate_mem): Update call to canon_true_dependence.
1233 * dse.c (record_store, check_mem_read_rtx): Likewise.
1234 (scan_reads_nospill): Likewise.
1235 * cse.c (check_dependence): Likewise.
1236 (cse_rtx_varies_p): Delete.
1237 * expr.c (safe_from_p): Update call to true_dependence.
1238 * ira.c (validate_equiv_mem_from_store): Likewise.
1239 (memref_referenced_p): Likewise.
1240 * postreload-gcse.c (find_mem_conflicts): Likewise.
1241 * sched-deps.c (sched_analyze_2): Likewise.
1242 * store-motion.c (load_kills_store): Likewise.
1243 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1244 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1245 (compute_transp): Update call to canon_true_dependence.
1247 2012-01-25 Richard Henderson <rth@redhat.com>
1249 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1250 (maybe_emit_atomic_test_and_set): New.
1251 (expand_sync_lock_test_and_set): Use it.
1252 (expand_atomic_test_and_set): Likewise.
1253 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1254 the implementation; clarify implementation defined details.
1255 * doc/md.texi (atomic_test_and_set): Document.
1257 2012-01-25 Richard Henderson <rth@redhat.com>
1259 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1261 2012-01-25 Richard Henderson <rth@redhat.com>
1264 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1265 to effect no-op split.
1267 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1270 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1271 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1272 (BT_FN_VOID_PTR_INT_SIZE): New.
1273 (BT_FN_UINT_UINT_VAR): Remove.
1274 (BT_FN_UINT32_UINT32_VAR): New.
1275 (BT_FN_DOUBLE_VPTR): Remove.
1276 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1278 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1279 (_ITM_changeTransactionMode): Same.
1280 (_ITM_memmoveRtWt): Change return type to void.
1281 (_ITM_memcpyRtWt): Same.
1282 (_ITM_memsetW): Same.
1283 (_ITM_RaRD): Change types to double.
1288 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1290 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1291 Patrick Marlier <patrick.marlier@gmail.com>
1293 * trans-mem.c (requires_barrier): Do not instrument thread local
1294 variables and emit save/restore for them.
1296 2012-01-24 Jason Merrill <jason@redhat.com>
1299 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1300 output static aliases.
1302 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1305 * common.opt (-pie, -shared, pie, shared): Change from Common to
1307 * gcc.c (display_help): Display help for -pie and -shared.
1309 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1312 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1313 Remove note on size/offset limitation.
1314 (AVR Variable Attributes): Add example how to read data located
1315 with progmem. Refer to named address spaces.
1316 * doc/invoke.texi (AVR Options): Fix typo.
1318 2012-01-24 Richard Guenther <rguenther@suse.de>
1320 Forward-port to trunk
1321 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1324 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1325 op0 isn't sufficiently aligned and there is movmisalignM
1326 insn for mode, use it to load op0 into a temporary register.
1328 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1331 * target.def (const_not_ok_for_debug_p): New hook.
1332 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1334 * doc/tm.texi: Regenerated.
1335 * dwarf2out.c (const_ok_for_output_1): If
1336 targetm.const_not_ok_for_debug_p returns true, fail.
1337 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1339 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1341 2012-01-23 Kai Tietz <ktietz@redhat.com>
1344 * config/i386/predicates.md (symbolic_operand): Allow
1345 UNSPEC_PCREL as PIC expression for lea.
1346 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1347 * config/i386/i386.c (ix86_delegitimize_address): Handle
1348 UNSPEC_PCREL for none-MEM, too.
1350 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1352 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1353 (ipa_tm_create_version_alias): Same.
1355 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1358 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1359 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1361 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1362 Patrick Marlier <patrick.marlier@gmail.com>
1363 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1366 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1367 simple_object_start_read.
1369 2012-01-23 Richard Guenther <rguenther@suse.de>
1372 PR tree-optimization/51895
1373 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1374 parameter decomposition into BLKmode components.
1376 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1378 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1379 fake variables for restrict-qualified pointers whose pointed-to type
1380 contains a placeholder.
1382 2012-01-23 Richard Guenther <rguenther@suse.de>
1384 PR tree-optimization/51949
1385 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1387 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1389 PR rtl-optimization/51933
1390 * ree.c (transform_ifelse): Return true right away if dstreg is
1391 already wider or equal to cand->mode.
1392 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1393 (make_defs_and_copies_lists): Remove defs_list and copies_list
1394 arguments, add state argument, just truncate state->work_list
1395 instead of always allocating and freeing the vector. Assert that
1396 get_defs succeeds instead of returning 2. Changed return type to bool.
1397 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1398 have ext_src_mode, see if it has been modified already with the
1399 right kind of extension and has been extended before from the
1400 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1401 just return true. Remember the original mode in state->modified array.
1402 (combine_reaching_defs): Add state argument. Don't allocate and
1403 free here def_list, copied_list and vec vectors, instead just
1404 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1405 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1406 Add state variable, clear vectors in it, initialize state.modified
1407 if needed. Free all the vectors at the end and state.modified too.
1408 Don't skip a candidate if the extension expression has been modified.
1410 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1413 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1414 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1415 (extra_options) interix.opt -> i386/interix.opt"
1416 (extra_objs):Add winnt-stubs.o
1417 * configure.ac: Add interix to target_os .comm on PE check.
1418 * configure: Regenerate.
1419 * config/interix3.h: Delete and move bits to..
1420 * config/interix.h: Delete and move bits to..
1421 * config/i386/i386-interix3.h: Delete and move bits to..
1422 * config/i386/i386-interix.h: ..here.
1423 (TARGET_CPU_DEFAULT): Remove redefinition.
1424 (TARGET_ASM_CONSTRUCTOR): Undefine.
1425 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1426 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1427 (PTRDIFF_TYPE): Define.
1428 (LONG_DOUBLE_TYPE_SIZE): Define.
1429 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1430 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1431 (TARGET_SECTION_TYPE_FLAGS): Define.
1432 (ASM_DECLARE_FUNCTION_NAME): Define.
1433 (ASM_OUTPUT_EXTERNAL): Define.
1434 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1435 (ASM_OUTPUT_ALIGNED_BSS): Define.
1436 (PCC_BITFIELD_TYPE_MATTERS): Define.
1437 (USE_CONST_SECTION): Define.
1438 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1439 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1440 (SUPPORTS_ONE_ONLY): Remove.
1441 (I386_PE_STRIP_ENCODING): Define.
1442 * config/interix.opt: Delete and move bits to..
1443 * config/i386/interix.opt: ..here. New.
1444 (mpe-aligned-commons): Add.
1445 * config/i386/t-interix: Add copyright header.
1446 (winnt-stubs.o): Add rule.
1448 2012-01-22 Jason Merrill <jason@redhat.com>
1451 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1452 for extra name aliases.
1454 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1456 PR rtl-optimization/51924
1457 * ree.c (combine_set_extension): Improve debugging message.
1458 (combine_reaching_defs): Likewise.
1459 (get_defs): Rename confusingly named variable.
1460 (find_and_remove_re): Skip a candidate if the extension expression has
1463 2012-01-21 Robert Millan <rmh@gnu.org>
1464 Gerald Pfeifer <gerald@pfeifer.com>
1466 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1467 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1469 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1471 PR tree-optimization/51914
1472 * tree-vect-stmts.c (vectorizable_conversion): For
1473 cvt_type && modifier == WIDEN, put temporary with cvt_type
1474 at the beginning of vec_dsts and set vec_dest to temporary
1477 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1479 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1481 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1483 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1484 * config/rs6000/rs6000.c: Likewise.
1486 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1489 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1490 output_move_double on a copy of operands array.
1492 2012-01-20 Cary Coutant <ccoutant@google.com>
1493 Dodji Seketeli <dodji@redhat.com>
1496 * dwarf2out.c (copy_declaration_context): Return ref to parent
1497 of declaration DIE, if necessary.
1498 (remove_child_or_replace_with_skeleton): Add new parameter; update
1499 caller. Place skeleton DIE under parent DIE of original declaration.
1500 Move call to copy_declaration_context to here ...
1501 (break_out_comdat_types): ... from here.
1503 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1505 PR rtl-optimization/51856
1506 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1509 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1512 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1513 hints for neon loads and stores.
1515 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1519 * doc/extend.texi (Named Address Spaces): Split into subsections.
1520 (AVR Named Address Spaces): New subsection.
1521 (M32C Named Address Spaces): New subsection.
1522 (RL78 Named Address Spaces): New subsection.
1523 (SPU Named Address Spaces): New subsection.
1524 (Variable Attributes): New anchor "AVR Variable Attributes".
1525 (AVR Variable Attributes): Rewrite and avoid wording
1526 "address space" in this context.
1527 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1528 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1529 (AVR Built-in Macros): New subsubsection therein.
1530 * doc/md.texi (AVR constraints): Remove "C04", "R".
1532 2012-01-20 Richard Guenther <rguenther@suse.de>
1534 PR tree-optimization/51903
1535 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1536 when removing stmts.
1538 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1541 * config/arm/arm.c (arm_load_pic_register): Use
1542 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1543 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1544 (arm_pic_static_addr): Likewise.
1545 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1546 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1547 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1548 (pic_load_addr_unified): New.
1550 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1553 * function.c (instantiate_virtual_regs_in_insn): Use
1554 delete_insn_and_edges when removing a wrong asm insn.
1556 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1558 PR rtl-optimization/40761
1559 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1560 Add new member loop_num.
1561 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1562 (ira_build): Remove the parameter.
1564 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1565 (ira.c): Do not build CFG loops for one region allocation. Remove
1566 argument from ira_build call.
1568 * ira-build.c (init_loop_tree_node): New function.
1569 (create_loop_tree_nodes): Use it. Separate the case when CFG
1570 loops are not built.
1571 (more_one_region_p): Check current_loops.
1572 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1574 (add_loop_to_tree): Process loop equal to NULL too.
1575 (form_loop_tree): Separate the case when CFG loops are not built.
1576 Use explicitly number for the root.
1577 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1579 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1580 instead of loop->num.
1581 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1582 (mark_all_loops_for_removal): Ditto.
1583 (remove_unnecessary_regions): Separate the case when CFG loops
1585 (ira_build): Remove the parameter. Use explicit number of regions
1586 when CFG loops are not built.
1588 * ira-color.c (print_loop_title): Separate the case for the root node.
1589 Use loop_num instead of loop->num.
1590 (move_spill_restore): Use loop_num instead of loop->num.
1592 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1593 (change_loop): Ditto.
1594 (change_loop): Use loop_num instead of loop->num.
1596 * ira-lives.c (process_bb_node_lives): Ditto.
1598 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1600 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1602 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1605 * tree-mudflap.c (mf_artificial): New function.
1606 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1607 mx_register_decls, mudflap_enqueue_decl): Use it.
1610 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1611 numbers in the insn pattern.
1613 2012-01-19 Michael Matz <matz@suse.de>
1615 PR tree-optimization/46590
1616 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1617 use it in remembering which conflicts we already created.
1618 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1621 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1624 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1625 (merge_and_complain): Same.
1627 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1630 * config/initfini-array.h: Guard content of the header
1631 with #ifdef HAVE_INITFINI_ARRAY.
1632 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1633 Add initfini-array.h to tm_file here.
1634 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1635 * config.gcc: Don't add initfini-array.h to tm_file here.
1636 * configure: Regenerated.
1638 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1640 PR rtl-optimization/51505
1641 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1642 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1643 (df_note_bb_compute): Update the call to df_kill_notes.
1645 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1647 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1649 2012-01-18 Richard Guenther <rguenther@suse.de>
1651 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1652 of conversions to void *.
1654 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1655 Richard Sandiford <rdsandiford@googlemail.com>
1659 * optabs.h (simplify_expand_binop): Declare.
1660 * optabs.c (simplify_expand_binop): Make global.
1661 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1662 endian targets if the source cannot be exactly covered by word
1665 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1668 * hard-reg-set.h (struct hard_reg_set_container): New type.
1669 * target.h (struct hard_reg_set_container): Forward declare.
1670 * target.def (set_up_by_prologue): New target hook.
1671 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1672 * doc/tm.texi: Regenerated.
1673 * function.c (thread_prologue_and_epilogue_insns): Change
1674 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1675 Call targetm.set_up_by_prologue on it.
1676 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1677 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1679 2012-01-17 Nick Clifton <nickc@redhat.com>
1681 * config/rx/rx.c (rx_can_use_simple_return): New function.
1682 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1683 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1685 2012-01-17 Richard Guenther <rguenther@suse.de>
1688 * expr.c (expand_assignment): Take address-space information
1689 from the address operand of MEM_REF and TARGET_MEM_REF.
1690 (expand_expr_real_1): Likewise.
1692 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1694 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1695 reload dump is requested.
1697 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1700 * trans-mem.c (requires_barrier): Call may_be_aliased.
1702 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1704 PR tree-optimization/51877
1705 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1706 call arguments and fndecls compare equal, instead return false if they
1707 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1708 both SSA_NAMEs that are valueized the same, or they satisfy
1711 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1713 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1715 * configure: Regenerate.
1717 2012-01-16 Jan Hubicka <jh@suse.cz>
1721 * convert.c (convert_to_integer): Use fold_convert for
1722 converting an INTEGER_CST to integer type.
1724 2012-01-16 Jason Merrill <jason@redhat.com>
1727 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1729 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1732 * config/s390/s390.c (s390_chunkify_start): Don't skip
1733 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1734 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1735 If insn is followed by NOTE_INSN_VAR_LOCATION or
1736 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1737 Don't use location of note insns.
1739 PR tree-optimization/51865
1740 * tree-inline.c (tree_function_versioning): Call remap_decl
1741 on DECL_RESULT whenever it has VOID_TYPE_P type.
1743 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1745 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1746 for calls to locally-binding MIPS16 functions if only the return
1747 type uses float regs.
1749 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1750 Richard Sandiford <rdsandiford@googlemail.com>
1752 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1753 (SYMBOL_32_HIGH): Likewise.
1754 (mips_output_tls_reloc_directive): Declare.
1755 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1756 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1757 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1758 (mips_lo_relocs, mips_hi_relocs): Make extern.
1759 (mips16_stub_function): Move up file.
1760 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1761 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1762 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1763 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1764 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1765 (mips_get_tp): Add MIPS16 support.
1766 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1767 Generalize DTPREL and TPREL handling.
1768 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1769 Add MIPS16 TLS support.
1770 (mips_output_tls_reloc_directive): New function.
1771 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1772 * config/mips/predicates.md (symbolic_operand_with_high)
1773 (tls_reloc_operand): New predicates.
1774 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1775 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1776 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1777 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1778 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1779 (*tls_get_tp_mips16_call_<mode>): Likewise.
1781 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1783 PR rtl-optimization/51821
1784 * recog.c (peep2_find_free_register): Determine clobbered registers
1787 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1790 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1791 * config/avr/avr.c: Likewise.
1792 * config/avr/avr.h: Likewise.
1794 2012-01-13 Ian Lance Taylor <iant@google.com>
1797 * tree.h (TYPE_QUALS): Add cast to int.
1798 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1800 2012-01-13 Ian Lance Taylor <iant@google.com>
1802 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1803 comparing param_index to VEC_length result.
1805 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1807 * c-decl.c: Do not include tree-mudflap.h
1808 * tree-optimize.c: Likewise.
1809 * Makefile.in: Update dependencies.
1811 2012-01-13 Richard Guenther <rguenther@suse.de>
1814 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1815 variable-sized result always use RSO.
1817 2012-01-12 DJ Delorie <dj@redhat.com>
1819 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1820 pointer type, not just the default pointer type.
1822 2012-01-09 Richard Henderson <rth@redhat.com>
1823 Denis Chertykov <chertykov@gmail.com>
1826 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1827 * config/avr/avr.c (avr_can_eliminate): Simplify.
1828 (avr_initial_elimination_offset): Likewise.
1829 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1830 (expand_epilogue): Likewise.
1831 (avr_legitimize_address): Gut.
1832 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1833 (avr_hard_regno_nregs): New.
1834 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1835 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1836 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1837 add soft frame pointer.
1838 (CALL_USED_REGISTERS): Likewise.
1839 (REG_CLASS_CONTENTS): Likewise.
1840 (REGISTER_NAMES): Likewise.
1841 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1842 (HARD_FRAME_POINTER_REGNUM): New.
1843 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1844 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1845 remove the HARD_FRAME_POINTER self-elimination.
1847 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1850 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1851 DECL_EXTERNAL when checking for initializers of progmem variables.
1853 2012-01-12 Ira Rosen <irar@il.ibm.com>
1855 PR tree-optimization/51799
1856 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1857 that the last operation is a type demotion.
1859 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1861 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1862 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1864 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1867 * combine.c (distribute_notes): If i3 is a noreturn call,
1868 allow old_size to be equal to args_size and make sure the
1869 noreturn call gets REG_ARGS_SIZE note.
1870 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1871 on noreturn calls even when the delta is 0.
1873 2012-01-11 Nathan Sidwell <nathan@acm.org>
1875 * gcov.c (STRING_SIZE): Remove.
1876 (generate_results): Erase annotations for source files with no
1877 coverage information.
1879 (output_lines): Use it.
1881 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1883 * gimple.h (gimplify_body): Remove first argument.
1884 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1885 pointer set here, instead just pass DATA to walk_tree.
1886 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1887 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1888 (unvisit_body): Likewise, but with unmark_visited.
1889 (gimplify_body): Remove BODY_P argument and adjust.
1890 (gimplify_function_tree): Adjust call to gimplify_body.
1891 * omp-low.c (finalize_task_copyfn): Likewise.
1893 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1895 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1896 (build_function_type_skip_args): Delete.
1897 * tree.c (build_function_type_skip_args): Make static and add
1898 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1899 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1900 pass it to build_function_type_skip_args.
1901 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1902 (tree_function_versioning): Likewise.
1903 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1904 build_function_decl_skip_args.
1905 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1906 and pass it to build_function_decl_skip_args/tree_function_versioning.
1907 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1908 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1909 * trans-mem.c (ipa_tm_create_version): Likewise.
1910 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1911 * tree-inline.c (declare_return_variable): Remove always-true test.
1912 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1913 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1914 * ipa-split.c (split_function): Skip the return value for the split
1915 part if it doesn't return.
1917 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1919 PR tree-optimization/49642
1920 * ipa-split.c (forbidden_dominators): New variable.
1921 (check_forbidden_calls): New function.
1922 (dominated_by_forbidden): Likewise.
1923 (consider_split): Check for forbidden dominators.
1924 (execute_split_functions): Initialize and free forbidden
1925 dominators info; call check_forbidden_calls.
1927 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1929 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1931 2012-01-11 Nick Clifton <nickc@redhat.com>
1933 * config/rx/rx.md (return): Define pattern.
1935 2012-01-11 Richard Guenther <rguenther@suse.de>
1937 * doc/extend.texi (malloc attribute): Adjust according to
1940 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1941 Patrick Marlier <patrick.marlier@gmail.com>
1944 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1945 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1946 (ipa_tm_note_irrevocable): Same.
1947 (ipa_tm_scan_irr_block): Same.
1948 (ipa_tm_decrement_clone_counts): Same.
1949 (ipa_tm_scan_irr_function): Same.
1950 (ipa_tm_create_version_alias): Same.
1951 (ipa_tm_create_version): Same.
1952 (ipa_tm_transform_calls_redirect): Same.
1953 (ipa_tm_transform_calls): Same.
1954 (ipa_tm_transform_transaction): Same.
1955 (ipa_tm_execute): Same.
1957 2012-01-10 Richard Guenther <rguenther@suse.de>
1960 * opts.c (common_handle_option): Handle -Werror.
1962 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1964 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1967 2012-01-10 Jason Merrill <jason@redhat.com>
1969 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1972 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1974 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1975 supports R_386_TLS_GD_PLT reloc.
1976 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1977 supports R_386_TLS_LDM_PLT reloc.
1978 * configure: Regenerate.
1979 * config.in: Regenerate.
1981 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1984 Extend __pgmx semantics to linearize memory.
1985 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1986 determine if code comes inline or from libgcc.
1987 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1988 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1989 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1990 (movmemx_qi, movmemx_hi): New insns.
1991 (xload_<mode>_libgcc): Rewrite to new insn condition.
1992 (xload_<mode>): Remove insns.
1993 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1994 cases that don't satisfy avr_xload_libgcc_p().
1995 (avr_addr_space_convert): Allow converting in any direction.
1996 (avr_addr_space_subset_p): Return always true.
1997 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1998 (avr_emit_movmemhi): Ditto.
1999 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2000 (avr_out_movmem): Ditto.
2001 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2002 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2003 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2004 (avr_encode_section_info): Encode 'progmem' in symbol flags.
2005 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2007 2012-01-10 Richard Guenther <rguenther@suse.de>
2009 PR tree-optimization/50913
2010 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2011 Require data-refs to be representable by Graphite with respect
2014 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
2016 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2017 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2019 2012-01-10 Tom de Vries <tom@codesourcery.com>
2021 PR rtl-optimization/51271
2022 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2023 handling annulled branch.
2025 2012-01-10 Richard Henderson <rth@redhat.com>
2027 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2028 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2029 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2030 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2031 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2032 arm_expand_vec_perm_const): New.
2033 * config/arm/arm-protos.h: Update.
2034 * config/arm/neon.md (UNSPEC_VCONCAT): New.
2035 (*neon_vswp<VDQX>): New.
2036 (neon_vcombine<VDX>): Use neon_split_vcombine.
2037 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2038 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2039 (vec_perm<VE>): New.
2041 2012-01-10 Richard Henderson <rth@redhat.com>
2043 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2044 use it if reload_completed.
2045 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2046 arm_output_asm_insn, arm_process_output_memory_barrier,
2047 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2048 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2049 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2050 arm_process_output_sync_insn, arm_output_sync_insn,
2051 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2052 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2053 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2054 (emit_unlikely_jump): New.
2055 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2056 (arm_split_atomic_op): New.
2057 * config/arm/arm-protos.h: Update.
2058 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2059 (struct arm_sync_generator): Remove.
2060 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2061 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2062 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2063 (VUNSPEC_LL, VUNSPEC_SC): New.
2064 (sync_result, sync_memory, sync_required_value, sync_new_value,
2065 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2066 (attr length): Don't use arm_sync_loop_insns.
2067 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2068 (movsfcc, movdfcc): Likewise.
2069 * config/arm/constraints.md (Ua): New.
2070 * config/arm/prediates.md (mem_noofs_operand): New.
2071 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2072 (sync_clobber, sync_t2_reqd): Remove.
2073 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2074 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2075 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2076 (arm_sync_compare_and_swap<SIDI>): Remove.
2077 (arm_sync_compare_and_swap<NARROW>): Remove.
2078 (arm_sync_lock_test_and_set<SIDI>): Remove.
2079 (arm_sync_lock_test_and_set<NARROW>): Remove.
2080 (arm_sync_new_<syncop><SIDI>): Remove.
2081 (arm_sync_new_<syncop><NARROW>): Remove.
2082 (arm_sync_new_nand<SIDI>): Remove.
2083 (arm_sync_new_nand<NARROW>): Remove.
2084 (arm_sync_old_<syncop><SIDI>): Remove.
2085 (arm_sync_old_<syncop><NARROW>): Remove.
2086 (arm_sync_old_nand<SIDI>): Remove.
2087 (arm_sync_old_nand<NARROW>): Remove.
2088 (*memory_barrier): Merge arm_output_memory_barrier.
2089 (atomic_compare_and_swap<QHSD>): New.
2090 (atomic_compare_and_swap<NARROW>_1): New.
2091 (atomic_compare_and_swap<SIDI>_1): New.
2092 (atomic_exchange<QHSD>): New.
2093 (cas_cmp_operand, cas_cmp_str): New.
2094 (atomic_op_operand, atomic_op_str): New.
2095 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2096 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2097 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2098 (arm_load_exclusive<NARROW>): New.
2099 (arm_load_exclusivesi, arm_load_exclusivedi): New.
2100 (arm_store_exclusive<QHSD>): New.
2102 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2104 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2105 reload patterns if -mvsx-scalar-memory.
2107 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2108 generated, even -mno-vsx-scalar-double was used.
2109 (vsx_xscvdpsp_scalar): Likewise.
2110 (vsx_xscvspdp_scalar2): Likewise.
2112 2012-01-09 Tom de Vries <tom@codesourcery.com>
2113 Andrew Pinski <apinski@cavium.com>
2116 * reorg.c (fill_slots_from_thread): Don't speculate
2117 frame-related insns.
2119 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
2121 * sched-int.h (bb_note): Move to...
2122 * basic-block.h: ...here.
2123 * haifa-sched.c (bb_note): Move to...
2124 * cfgrtl.c: ...here.
2125 * function.c (next_block_for_reg): New function.
2126 (move_insn_for_shrink_wrap): Likewise.
2127 (prepare_shrink_wrap): Rewrite to use the above.
2129 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
2131 * gimple.c (is_gimple_non_addressable): Remove.
2132 * gimple.h: Remove is_gimple_non_addressable.
2133 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2134 is_gimple_non_addressable.
2135 * trans-mem.c (expand_assign_tm): Same.
2137 2012-01-09 Richard Guenther <rguenther@suse.de>
2139 PR tree-optimization/51775
2140 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2141 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2143 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2145 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2147 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2149 2012-01-09 Richard Guenther <rguenther@suse.de>
2151 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2153 2012-01-08 Jan Hubicka <jh@suse.cz>
2155 PR tree-optimize/51680
2156 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2157 on when known_vals needs to be computed; cleanup.
2159 2012-01-08 Jan Hubicka <jh@suse.cz>
2161 PR tree-optimize/51694
2162 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2164 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
2166 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2167 for -std=c++98 and -std=c++11 too.
2169 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
2171 * cfgloop.c (cancel_loop): Add free() of bbs array.
2173 2012-01-07 Jan Hubicka <jh@suse.cz>
2175 PR tree-optimization/51600
2176 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2177 that benefits small functions.
2179 2012-01-07 Jan Hubicka <jh@suse.cz>
2181 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2183 2012-01-07 Jan Hubicka <jh@suse.cz>
2185 PR tree-optimization/51680
2186 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2187 whose inlining reduce unit size.
2189 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2192 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2193 Add canonical node to containing_mem chain after the non-canonical
2194 one, even if there weren't any locs to propagate.
2195 (remove_useless_values): Keep only canonical values.
2196 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2197 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2198 canonicalize mem_chain elements that are not discarded.
2200 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2203 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2204 before emitting functions.
2206 PR gcov-profile/50127
2207 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2208 clear_aux_for_blocks.
2210 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
2213 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2215 2012-01-06 Arnaud Charlet <charlet@adacore.com>
2217 * c-decl.c (ext_block): Moved up.
2218 (collect_all_refs, for_each_global_decl): Take ext_block into account.
2220 2012-01-06 Han Shen <shenhan@google.com>
2222 Translate built-in include paths for sysroot.
2223 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2224 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2226 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2227 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2229 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2230 control whether sysroot should be prepended to gxx include dir.
2232 * configure: Regenerate.
2234 2012-01-06 Torvald Riegel <triegel@redhat.com>
2236 PR rtl-optimization/51771
2237 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2238 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2240 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2242 PR tree-optimization/51315
2243 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2244 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2246 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
2249 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2250 for shrp pattern. Correctly handle and fixup shift variable.
2251 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2253 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2256 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2257 note when !ACCUMULATE_OUTGOING_ARGS.
2259 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2261 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2263 (extract_range_from_unary_expr_1): Avoid useless computations.
2265 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2267 PR rtl-optimization/51767
2268 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2269 of jump_block and add an extra edge for degenerated asm gotos.
2272 * stmt.c (check_unique_operand_names): Don't ICE during error
2273 reporting if i is from labels chain.
2276 * profile.c (branch_prob): Split bbs that have exit edge
2277 and need a fake entry edge too.
2279 2012-01-05 Jan Hubicka <jh@suse.cz>
2282 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2285 2012-01-05 Richard Guenther <rguenther@suse.de>
2288 * tree-streamer-out.c (write_ts_optimization): New function.
2289 (streamer_write_tree_body): Call it.
2290 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2291 (streamer_read_tree_body): Call it.
2292 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2294 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2297 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2298 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2299 in_cleanup_point_expr before gimplify_stmt call and restore it
2301 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2302 in_cleanup_point_expr is false.
2304 2012-01-05 Richard Guenther <rguenther@suse.de>
2307 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2309 * toplev.c (process_options): Reject combining mudflap and LTO.
2310 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2312 2012-01-05 Richard Guenther <rguenther@suse.de>
2314 PR tree-optimization/51760
2315 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2317 (bit_value_unop): Handle UNDEFINED operands.
2318 (bit_value_binop): Likewise.
2320 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2322 * config/avr/avr.c (avr_replace_prefix): Remove.
2323 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2324 (avr_asm_function_rodata_section): Ditto.
2325 (avr_asm_select_section): Ditto.
2327 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2329 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2332 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2335 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2336 calls that have any non-fake successor edges.
2339 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2341 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2343 PR tree-optimization/51624
2344 * tree-sra.c (build_ref_for_model): When replicating a chain of
2345 COMPONENT_REFs, stop as soon as the offset would become negative.
2347 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2350 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2351 in .debug_loc on the floor.
2353 2012-01-04 Andrew Pinski <apinski@cavium.com>
2355 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2357 2012-01-04 Andrew Pinski <apinski@cavium.com>
2358 Adam Nemet <anemet@caviumnetworks.com>
2360 * config/mips/mips.md (size): Add SI and DI.
2361 (SIZE): New mode attribute.
2362 (U): New code attribute.
2363 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2364 (mips_lbux_<mode>): Delete.
2365 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2366 (mips_lhx): Use gen_mips_lhx_extsi.
2367 (mips_lhx_<mode>): Delete.
2369 (mips_l<size>x): New expand.
2370 (mips_lwx_<mode>): Delete.
2371 (mips_l<GPR:size>x_<P:mode>): New pattern.
2372 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2373 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2374 * config/mips/mips.c (mips_lx_address_p): New function.
2375 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2376 (dsp64): New availability predicate.
2377 (mips_builtins): Add an entry for __builtin_mips_ldx.
2378 * config/mips/mips.h (ISA_HAS_LBX): New define.
2379 (ISA_HAS_LBUX): Likewise.
2380 (ISA_HAS_LHX): Likewise.
2381 (ISA_HAS_LHUX): Likewise.
2382 (ISA_HAS_LWX): Likewise.
2383 (ISA_HAS_LWUX): Likewise.
2384 (ISA_HAS_LDX): Likewise.
2385 * doc/extend.texi (__builtin_mips_ldx): Document.
2387 2012-01-04 Tristan Gingold <gingold@adacore.com>
2389 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2390 when long pointers are used.
2391 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2392 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2393 (ia64-hp-*vms*): Remove.
2394 * config/vms/xm-vms64.h: Delete.
2396 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2399 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2401 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2403 * opts.c (finish_options): Remove duplicate sorry.
2405 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2408 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2411 2012-01-04 Richard Guenther <rguenther@suse.de>
2414 * tree.c (size_low_cst): New function.
2415 * tree.h (size_low_cst): Declare.
2416 * fold-const.c (fold_comparison): Use it to extract the low
2417 part of the POINTER_PLUS_EXPR offset.
2419 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2421 Fix clearing ZERO_REG
2422 * config/avr/avr.md (cc): Add alternative "ldi".
2423 (movqi_insn): Use it in cc attribute.
2424 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2425 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2426 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2428 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2430 * configure: Regenerate.
2432 2012-01-04 Richard Guenther <rguenther@suse.de>
2434 PR tree-optimization/49651
2435 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2436 (var_can_have_subvars): Use it.
2437 (get_constraint_for_1): Only consider subfields if there can be any.
2439 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2442 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2443 to its new canonical_cselib_val and the cselib_val was in
2444 first_containing_mem chain, but the canonical_cselib_val was not,
2445 add the latter into the chain.
2446 (cselib_invalidate_mem): Compare canonical_cselib_val of
2447 addr_list chain elt with v.
2450 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2451 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2453 (output_macinfo_op): Don't ggc_strdup fd->filename.
2454 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2455 then ggc_strdup it. Don't free inc->info or cur->info.
2456 (output_macinfo): Don't free ref->info or file->info.
2458 2012-01-03 Ira Rosen <irar@il.ibm.com>
2460 PR tree-optimization/51269
2461 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2462 first_niters a pointer.
2463 (slpeel_tree_peel_loop_to_edge): Likewise.
2464 (vect_do_peeling_for_loop_bound): Update call to
2465 slpeel_tree_peel_loop_to_edge.
2466 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2467 here. Remove it from the parameters list.
2468 (vect_do_peeling_for_alignment): Update calls and compute
2471 2012-01-03 Richard Guenther <rguenther@suse.de>
2473 PR tree-optimization/51070
2474 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2475 Properly handle calls.
2477 2012-01-03 Richard Guenther <rguenther@suse.de>
2479 PR tree-optimization/51692
2480 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2481 the LHS of allocation stmts.
2483 2012-01-03 Olivier Hainque <hainque@adacore.com>
2485 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2487 2012-01-03 Olivier Hainque <hainque@adacore.com>
2489 * collect2.c (main): In AIX specific computations for vector
2490 insertions, use CONST_CAST2 to cast from char ** to const char **.
2492 2012-01-03 Richard Guenther <rguenther@suse.de>
2495 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2496 the context of a limbo DIE when it does not already exist.
2498 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2500 PR tree-optimization/51719
2501 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2502 but direct call is, clear direct call's lhs and don't add fallthrough
2503 edge from dcall_bb to join_bb and PHIs.
2505 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2507 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2508 the instructions emitted by the pattern.
2509 ("*TDC_insn_<mode>"): Add comment.
2511 2012-01-03 Richard Guenther <rguenther@suse.de>
2514 * fold-const.c (fold_comparison): Properly canonicalize
2515 tree offset and HOST_WIDE_INT bit position.
2517 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2519 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2520 operands for extzv pattern.
2522 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2525 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2528 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2530 * doc/invoke.texi (-flto and related options): Copy-edit.
2532 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2534 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2536 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2538 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2541 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2543 * expr.h (move_by_pieces_ninsns): Declare.
2544 * expr.c (move_by_pieces_ninsns): Make external.
2545 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2546 (mips_store_by_pieces_p): Likewise.
2547 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2548 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2549 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2550 (mips_store_by_pieces_p): Likewise.
2552 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2554 * passes.c (register_one_dump_file): Free full_name.
2556 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2557 (calculate_elim_costs_all_insns): Free offsets_at and
2558 offsets_known_at at the end and clear the pointers.
2560 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2562 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2563 this option introduced in r180739.
2565 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2568 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2569 (tmake_file target=avr): Add avr/t-multilib.
2571 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2572 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2573 * config/avr/genmultilib.awk: New file.
2574 * config/avr/t-multilib: New auto-generated file.
2575 * config/avr/multilib.h: New auto-generated file.
2576 * config/avr/t-avr (AVR_MCUS): New variable.
2577 (genopt.sh): Use it.
2578 (s-mlib): Depend on t-multilib.
2579 (t-multilib, multilib.h): New dependencies.
2580 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2581 (MULTILIB_OPTIONS): Remove.
2582 (MULTILIB_MATCHES): Remove.
2583 (MULTILIB_DIRNAMES): Remove.
2584 (MULTILIB_EXCEPTIONS): Remove:
2585 * config/avr/genopt.sh: Don't use hard coded file name;
2586 pass AVR_MCUS from t-avr instead.
2588 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2590 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2592 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2594 Implement light-weight DImode support.
2595 * config/avr/avr-dimode.md: New file.
2596 * config/avr/avr.md: Include it.
2597 (adjust_len): Add plus64, compare64.
2598 (HIDI): Remove code iterator.
2599 (code_stdname): New code attribute.
2600 (rotx, rotsmode): Remove DI.
2601 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2603 * config/avr/avr-protos.h (avr_have_dimode): New.
2604 (avr_out_plus64, avr_out_compare64): New.
2605 * config/avr/avr.c (avr_out_compare): Handle DImode.
2606 (avr_have_dimode): New variable definition and initialization.
2607 (avr_out_compare64, avr_out_plus64): New functions.
2608 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2609 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2610 (avr_compare_pattern): Skip DImode comparisons.
2612 2012-01-02 Revital Eres <revital.eres@linaro.org>
2614 * ddg.c (def_has_ccmode_p): New function.
2615 (add_cross_iteration_register_deps,
2616 create_ddg_dep_from_intra_loop_link): Call it.
2618 2012-01-02 Richard Guenther <rguenther@suse.de>
2621 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2623 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2625 * gcc.c (process_command): Update copyright notice dates.
2626 * gcov.c (print_version): Likewise.
2627 * gcov-dump.c (print_version): Likewise.
2628 * mips-tfile.c (main): Likewise.
2629 * mips-tdump.c (main): Likewise.
2631 2012-01-01 Ira Rosen <irar@il.ibm.com>
2633 PR tree-optimization/51704
2634 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2635 a use is inside the basic block or loop before accessing its vect info.
2637 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2639 PR rtl-optimization/51069
2640 * cfgloopmanip.c (remove_path): Removing path making irreducible
2641 region unconditional makes BB part of the region.
2643 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2645 PR tree-optimization/51683
2646 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2647 calls with side-effects.
2648 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2650 Copyright (C) 2012 Free Software Foundation, Inc.
2652 Copying and distribution of this file, with or without modification,
2653 are permitted in any medium without royalty provided the copyright
2654 notice and this notice are preserved.