1 2012-02-16 Jakub Jelinek <jakub@redhat.com>
4 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
5 children with clone_tree_hash, not after it.
7 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
9 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
12 2012-02-16 Jakub Jelinek <jakub@redhat.com>
15 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
16 a same_body_alias, also test whether e->callee isn't a former
17 or current clone of the decl this is a same body alias of.
20 * cgraphunit.c (verify_cgraph_node): Fix a typo.
22 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
24 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
26 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
29 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
30 force_reg instead of copy_to_reg for better optimization. Force
31 non-register or memory operands into a register.
33 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
35 * extend.texi: Reserve upper bits of memory model for future use.
37 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
38 Anatoly Sokolov <aesok@post.ru>
39 Eric Weddington <eric.weddington@atmel.com>
42 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
43 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
44 Rewrite initializers for .macro.
45 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
46 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
47 atxmega32d4, atxmega32x1.
48 avrxmega4: atxmega64a3, atxmega64d3.
49 avrxmega5: atxmega64a1, atxmega64a1u.
50 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
51 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
52 avrxmega7: atxmega128a1, atxmega128a1u.
53 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
54 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
55 (struct base_arch_s): Rename reserved to xmega_p.
56 Rename reserved2 to have_rampd.
57 (AVR_XMEGA): New define.
58 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
59 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
60 * config/avr/predicates.md (io_address_operand): Take into
62 (low_io_address_operand): Ditto.
63 (high_io_address_operand): Ditto.
64 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
65 (enabled, movhi_sp_r): Use them.
66 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
67 cpp_define_formatted to built-in define __AVR_ARCH__.
68 (__AVR_XMEGA__): New built-in define.
69 (__AVR_HAVE_RAMPD__): New built-in define.
70 (__AVR_HAVE_RAMPX__): New built-in define.
71 (__AVR_HAVE_RAMPY__): New built-in define.
72 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
74 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
75 (avr_option_override): Initialize them.
76 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
77 (avr_init_expanders): Initialize them. No more block several calls.
78 (emit_push_sfr): New static function.
79 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
81 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
82 (avr_print_operand): Print addreeses as symbols for
83 RAMPX, RAMPY, RAMPD, CCP.
84 (output_movhi): Handle AVR_XMEGA when writing to SP.
85 (avr_out_movhi_mr_r_xmega): New static function.
86 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
87 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
88 __RAMPD__, __CCP__ as needed.
90 * config/avr/multilib.h: Regenerate.
91 * config/avr/t-multilib: Regenerate.
92 * config/avr/avr-tables.opt: Regenerate.
94 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
96 PR tree-optimization/50561
97 * graphite-flattening.c (lst_project_loop): Do not
98 remove old scattering dimensions after flattening.
99 (lst_do_flatten): Likewise.
101 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
103 * doc/extend.texi (AVR Built-in Functions): Remove doc for
104 __builtin_avr_map8, __builtin_avr_map16.
105 Document __builtin_avr_insert_bits.
107 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
108 (insert_bits): New insn.
109 (adjust_len.map_bits): Rename to insert_bits.
110 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
111 * avr-protos.h (avr_out_map_bits): Remove.
112 (avr_out_insert_bits, avr_has_nibble_0xf): New.
113 * config/avr/constraints.md (Cxf,C0f): New.
114 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
115 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
116 New built-in define __BUILTIN_AVR_INSERT_BITS.
117 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
118 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
119 (avr_move_bits): Rewrite.
120 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
122 (avr_map_op_t): New typedef.
123 (avr_map_op): New static variable.
124 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
125 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
126 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
127 (bdesc_3arg, avr_expand_triop_builtin): New.
128 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
129 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
130 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
131 (avr_map_equal_p, avr_map_sig_p): Remove.
132 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
133 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
134 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
135 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
136 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
137 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
139 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
141 * config/c6x/c6x.md (reserve_cycles): New attribute.
142 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
143 don't reserve functional units after the branch occurs.
145 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
148 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
149 functions into non-tm_pure functions.
151 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
154 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
155 (iterative_hash_canonical_type): Likewise.
156 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
159 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
161 * haifa-sched.c (prune_ready_list): Ensure that if there is a
162 sched-group insn, it either remains alone or the entire list is
165 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
167 * doc/install.texi (Prerequisites): Fix grammar.
168 (Configuration): Likewise.
170 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
172 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
173 MPC as part of GCC before describing configuring with --with-gmp etc.
174 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
177 2012-02-14 Jakub Jelinek <jakub@redhat.com>
180 * dwarf2out.c (clone_tree_hash): New function.
181 (copy_decls_walk): Use it instead of clone_tree.
183 2012-02-14 Richard Guenther <rguenther@suse.de>
185 PR tree-optimization/52244
186 PR tree-optimization/51528
187 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
188 replacements for integral types.
190 2012-02-14 Walter Lee <walt@tilera.com>
192 * config.gcc: Handle tilegx and tilepro.
193 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
195 Add HAVE_AS_TLS check for tilegx and tilepro.
196 * configure: Regenerate.
197 * doc/contrib.texi: Add Mat Hostetter and self.
198 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
199 Document instruction intrinsics and network accessing intrinsics.
200 (TILEPro Built-in Functions): New node. Document instruction
201 intrinsics and network accessing intrinsics.
202 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
203 (Specific, tilepro-*-linux*): Likewise.
204 * doc/invoke.texi (TILE-Gx Options): New section.
205 (TILEPro Options): New section.
206 * doc/md.texi (TILE-Gx): New section.
207 (TILEPro): New section.
208 * common/config/tilegx/tilegx-common.c: New file.
209 * common/config/tilepro/tilepro-common.c: New file.
210 * config/tilegx/constraints.md: New file.
211 * config/tilegx/linux.h: New file.
212 * config/tilegx/mul-tables.c: New file.
213 * config/tilegx/predicates.md: New file.
214 * config/tilegx/sync.md: New file.
215 * config/tilegx/t-tilegx: New file.
216 * config/tilegx/tilegx-builtins.h: New file.
217 * config/tilegx/tilegx-c.c: New file.
218 * config/tilegx/tilegx-generic.md: New file.
219 * config/tilegx/tilegx-modes.def: New file.
220 * config/tilegx/tilegx-multiply.h: New file.
221 * config/tilegx/tilegx-protos.h: New file.
222 * config/tilegx/tilegx.c: New file.
223 * config/tilegx/tilegx.h: New file.
224 * config/tilegx/tilegx.md: New file.
225 * config/tilegx/tilegx.opt: New file.
226 * config/tilepro/constraints.md: New file.
227 * config/tilepro/gen-mul-tables.cc: New file.
228 * config/tilepro/linux.h: New file.
229 * config/tilepro/mul-tables.c: New file.
230 * config/tilepro/predicates.md: New file.
231 * config/tilepro/t-tilepro: New file.
232 * config/tilepro/tilepro-builtins.h: New file.
233 * config/tilepro/tilepro-c.c: New file.
234 * config/tilepro/tilepro-generic.md: New file.
235 * config/tilepro/tilepro-modes.def: New file.
236 * config/tilepro/tilepro-multiply.h: New file.
237 * config/tilepro/tilepro-protos.h: New file.
238 * config/tilepro/tilepro.c: New file.
239 * config/tilepro/tilepro.h: New file.
240 * config/tilepro/tilepro.md: New file.
241 * config/tilepro/tilepro.opt: New file.
243 2012-02-14 Jakub Jelinek <jakub@redhat.com>
245 PR tree-optimization/52210
246 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
247 vect_model_simple_cost with two entry vect_def_type array instead
250 2012-02-14 Richard Guenther <rguenther@suse.de>
253 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
254 Do not stream DECL_QUALIFIER.
255 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
256 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
257 (find_decls_types_r): Do not walk DECL_QUALIFIER.
259 2012-02-14 Jakub Jelinek <jakub@redhat.com>
262 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
265 2012-02-13 Jakub Jelinek <jakub@redhat.com>
268 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
269 * cselib.c (cselib_subst_to_values_from_insn): New function.
270 * sched-deps.c (add_insn_mem_dependence,
271 sched_analyze_1, sched_analyze_2): Use it.
273 2012-02-13 Jan Hubicka <jh@suse.cz>
276 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
278 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
280 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
281 (GTM_SELF_SPECS): Define if not already defined.
282 (driver_self_specs): Add GTM_SELF_SPECS.
283 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
284 (GTM_SELF_SPECS): Define.
285 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
286 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
288 2012-02-13 Jakub Jelinek <jakub@redhat.com>
290 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
293 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is
297 * omp-low.c (expand_omp_for): If a static schedule without
298 chunk size has NULL region->cont, force fd.chunk_size to be
301 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
304 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
306 2012-02-13 Richard Guenther <rguenther@suse.de>
309 * passes.c (enable_disable_pass): Fix typo.
311 2012-02-13 Jakub Jelinek <jakub@redhat.com>
314 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
315 XOR for reduce_bit_field if type is unsigned.
317 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
319 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
320 disallow changes from SFmode to mode with different size in FP regs.
322 2012-02-12 Robert Millan <rmh@gnu.org>
323 Gerald Pfeifer <gerald@pfeifer.com>
325 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
328 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
330 PR rtl-optimization/52175
331 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
332 to frame-related instructions.
334 2012-02-10 Jason Merrill <jason@redhat.com>
337 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
338 (demangle_new_symbols): Fill it.
339 (scan_linker_output): Walk it.
340 (start_tweaking): Split out from scan_linker_output.
341 (maybe_tweak): Update sym->chosen.
342 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
344 2012-02-11 Jakub Jelinek <jakub@redhat.com>
347 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
350 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
352 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
353 having the same mode as previous compare.
355 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
357 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
358 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
359 (nonlocal_goto_internal): Likewise.
360 (nonlocal_goto): Emit a use and an indirect jump directly.
362 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
365 * doc/extend.texi : Update comments for __atomic_compare_exchange and
366 __atomic_{is,always}_lock_free.
368 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
371 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
372 negative constant address for x32.
374 2012-02-10 Richard Henderson <rth@redhat.com>
376 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
377 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
378 for GIMPLE_TRANSACTION. Tidy if's into a switch.
380 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
381 Ira Rosen <irar@il.ibm.com>
383 PR tree-optimization/50031
384 * targhooks.c (default_builtin_vectorization_cost): Handle
386 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
387 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
388 all types of reduction and pattern statements.
389 (vect_estimate_min_profitable_iters): Likewise.
390 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
391 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
392 for explicit realigns.
393 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
394 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
396 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
397 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
398 vec_perm for VSX and handle vec_promote_demote.
400 2012-02-10 Jakub Jelinek <jakub@redhat.com>
403 * builtins.c (fold_builtin_atomic_always_lock_free,
404 expand_builtin_atomic_always_lock_free,
405 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
406 Return and/or test boolean_true_node/boolean_false_node instead of
407 integer_one_node/integer_zero_node.
409 2012-02-10 Jan Hubicka <jh@suse.cz>
412 * predict.c (predict_paths_for_bb): Prevent looping.
413 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
415 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
417 * config/arm/arm.c (output_move_double): In one case properly
418 count number of instructions that will be emitted.
420 2012-02-10 Richard Guenther <rguenther@suse.de>
423 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
425 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
428 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
430 2012-02-09 Jakub Jelinek <jakub@redhat.com>
433 * var-tracking.c (emit_note_insn_var_location): If
434 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
435 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
436 non-NOTE_DURING_CALL_P insn.
438 2012-02-09 Bin Cheng <bin.cheng@arm.com>
441 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
443 2012-02-08 Magnus Granberg <zorry@gentoo.org>
446 * gcc.c (switch_matches) Support switches with separated form,
449 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
451 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
454 * config/avr/avr.c (avr_addr_t): New typedef.
455 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
456 (avr_init_expanders): Initialize it.
457 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
459 (expand_epilogue): Ditto.
460 (avr_print_operand): Ditto.
461 (avr_file_start): Ditto.
462 (avr_emit_movmemhi): Ditto.
464 2012-02-08 Richard Guenther <rguenther@suse.de>
466 PR tree-optimization/46886
467 * tree-flow.h (do_while_loop_p): Declare.
468 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
469 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
471 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
473 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
474 always succeed for integers larger than a native word.
476 2012-02-08 Richard Guenther <rguenther@suse.de>
478 PR rtl-optimization/52170
479 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
480 properly handle integer vector modes.
482 2012-02-08 Jakub Jelinek <jakub@redhat.com>
484 PR gcov-profile/52150
485 * coverage.c: Include target.h.
486 (build_var): Call targetm.strip_name_encoding on the assembler name.
487 Change one _ into . or $ if the target allows it.
488 * Makefile.in (coverage.o): Depend on $(TARGET_H).
490 PR rtl-optimization/52139
491 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
492 is a BARRIER after emit_insn_after_noloc, move BB_END
493 to the last non-BARRIER insn before it.
495 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
498 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
499 (mips_gimplify_va_arg_expr): Call it instead of
500 std_gimplify_va_arg_expr.
502 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
504 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
505 message for -mno-pointers-to-nested-function.
507 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
510 * expr.c (get_inner_reference): If there is an offset, add a negative
511 bit position to it (if any).
513 2012-02-07 Jakub Jelinek <jakub@redhat.com>
515 PR rtl-optimization/52060
516 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
517 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
518 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
519 and/or i0src_copy2 when needed.
521 2012-02-07 Jakub Jelinek <jakub@redhat.com>
523 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
524 or LTOPLUGINSONAME if have_c.
526 * config/freebsd-spec.h: Add comment about what macros can be defined
528 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
529 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
532 2012-02-07 Richard Guenther <rguenther@suse.de>
534 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
535 newline in -alias dumps.
537 2012-02-07 Kai Tietz <ktietz@redhat.com>
538 Dave Korn <dave.korn.cygwin@gmail.com>
541 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
542 Take care that typinfo gets dllexport-attribute.
544 2012-02-07 Jakub Jelinek <jakub@redhat.com>
547 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
548 if modifier < EXPAND_SUM call force_operand on the result.
550 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
552 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
553 adding __forwarder_dst__ prefix if a forwarder_section attribute is
555 (epiphany_function_type): Replace types for specific interrupts with
556 EPIPHANY_FUNCTION_INTERRUPT.
557 (EPIPHANY_INTERRUPT_P): Update.
558 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
560 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
561 <disinterrupt>: Affects type identity.
562 (epiphany_handle_interrupt_attribute): Handle variable number of
564 (epiphany_compute_function_type): Update for new
565 epiphany_function_type definition.
566 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
567 handlers with a longcall forwarder.
568 (epiphany_start_function): Handle multiple interrupt arguments and/or
569 forwarder_section attribute.
571 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
574 2012-02-07 Alan Modra <amodra@gmail.com>
577 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
580 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
582 PR tree-optimization/50969
583 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
584 use vec_perm rather than vector_stmt.
585 (vect_model_load_cost): Likewise.
586 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
587 vec_perm to be the same as other vector statements.
588 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
589 cost of vec_perm for TARGET_VSX.
591 2012-02-06 Richard Guenther <rguenther@suse.de>
593 PR tree-optimization/52115
594 * tree-sra.c (access_has_replacements_p): New function.
595 (sra_modify_assign): Use it to decide whether a use is uninitialized.
597 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
600 * trans-mem.c (expand_call_tm): Add an assertion.
601 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
604 2012-02-06 Richard Guenther <rguenther@suse.de>
606 PR tree-optimization/50955
607 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
608 raise cost of expressions that replace an address with an
609 expression based on a different pointer.
611 2012-02-06 Jakub Jelinek <jakub@redhat.com>
614 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
615 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
617 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
620 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
621 -Weffc++ and specify guidelines come from second edition.
623 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
625 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
626 (sibcall_value_multiple_internal, call_split, call_internal_direct)
627 (call_direct_split, call_value_split, call_value_internal_direct)
628 (call_value_direct_split, call_value_multiple_split): Use jal and
629 jal_macro attributes.
631 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
633 * reload1.c (reload_regs_reach_end_p): Replace with...
634 (reload_reg_rtx_reaches_end_p): ...this function.
635 (new_spill_reg_store): Update commentary.
636 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
637 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
638 before setting new_spill_reg_store.
639 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
640 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
641 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
642 for non-spill reload registers.
644 2012-02-05 Ira Rosen <irar@il.ibm.com>
646 PR tree-optimization/52091
647 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
648 (vect_is_simple_use_1): Likewise.
649 * tree-vect-loop.c (vectorizable_reduction): Update calls
650 to vect_is_simple_use_1 and vect_is_simple_use.
651 (vectorizable_live_operation): Likewise.
652 * tree-vect-patterns.c (widened_name_p,
653 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
654 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
655 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
656 vectorizable_shift,vectorizable_operation, vectorizable_store,
657 vectorizable_load): Likewise.
658 (vect_is_simple_cond): Add an argument, pass it to
659 vect_is_simple_use_1.
660 (vectorizable_condition): Update calls to vect_is_simple_cond,
662 (vect_is_simple_use): Add an argument, the statement in which
663 OPERAND is used. Check that if OPERAND's def stmt is a double
664 reduction phi node, the use is a phi node too.
665 (vect_is_simple_use_1): Add an argument, pass it to
667 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
668 to vect_is_simple_use.
670 2012-02-04 Jakub Jelinek <jakub@redhat.com>
672 PR rtl-optimization/52095
673 * modulo-sched.c (dump_insn_locator): New function.
674 (loop_canon_p, sms_schedule): Use it.
676 PR rtl-optimization/52113
677 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
678 even for decomposable shift/zext insns.
680 2012-02-03 Jakub Jelinek <jakub@redhat.com>
681 Zdenek Dvorak <ook@ucw.cz>
683 PR rtl-optimization/52092
684 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
685 on get_iv_value result.
687 2012-02-02 Andrew Pinski <apinski@cavium.com>
691 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
693 2012-02-02 Jakub Jelinek <jakub@redhat.com>
696 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
698 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
700 PR rtl-optimization/49800
701 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
702 (sched_finish): Call regstat_free_n_sets_and_refs.
704 2012-02-02 Jia Liu <proljc@gmail.com>
706 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
709 2012-02-02 Jan Hubicka <jh@suse.cz>
710 Tom de Vries <tom@codesourcery.com>
713 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
714 * varpool.c (varpool_analyze_pending_decls): Likewise.
716 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
717 Jayant R Sonar <jayant.sonar@kpitcummins.com>
719 * config.gcc: Add cr16-* support.
721 * doc/extend.texi: Document cr16 extensions.
722 * doc/install.texi: Document cr16 install.
723 * doc/invoke.texi: Document cr16 options.
724 * doc/md.texi: Document cr16 constraints.
726 * common/config/cr16/cr16-common.c: New file.
727 * config/cr16/cr16.c: New file.
728 * config/cr16/cr16.h: New file.
729 * config/cr16/cr16.md: New file.
730 * config/cr16/cr16.opt: New file.
731 * config/cr16/cr16-protos.h: New file.
732 * config/cr16/predicates.md: New file.
733 * config/cr16/constraints.md: New file.
734 * config/cr16/t-cr16: New file.
736 2012-02-02 Jakub Jelinek <jakub@redhat.com>
739 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
740 that operands[2] is either immediate, or q_regs_operand.
742 PR tree-optimization/52073
743 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
744 a pattern stmt for pattern uses, ignore uses outside of the loop.
746 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
748 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
749 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
750 (OUT_AS1, OUT_AS2): Remove.
752 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
754 PR rtl-optimization/51374
755 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
756 to cross other volatile_refs_p insns.
758 2012-02-01 Richard Guenther <rguenther@suse.de>
760 * doc/invoke.texi (fno-inline): Clarify documentation.
761 (finline-small-functions): Likewise.
762 (finline-functions): Likewise.
763 * common.opt (finline): Adjust comment and documentation.
764 (finline-small-functions): Clarify documentation.
765 (finline-functions): Likewise.
766 (finline-functions-called-once): Likewise.
768 2012-02-01 Tristan Gingold <gingold@adacore.com>
770 * c-typeck.c (composite_type): Keep mode for pointers.
772 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
774 * function.h (regno_reg_rtx): Adjust comment.
775 * reginfo.c (init_reg_modes_target): Only use the previous mode
776 if it fits within one register. Remove MIPS comment.
778 2012-01-31 Jakub Jelinek <jakub@redhat.com>
781 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
783 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
785 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
788 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
790 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
792 2012-01-31 Jakub Jelinek <jakub@redhat.com>
797 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
799 2012-01-31 Richard Guenther <rguenther@suse.de>
801 PR tree-optimization/51528
802 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
805 2012-01-31 Jakub Jelinek <jakub@redhat.com>
810 * ree.c (add_removable_extension): Change def_map argument
811 to unsigned *, store in def_map 1 + offset into *insn_list vector
812 instead of pointers into the vector.
813 (find_removable_extensions): Adjust caller.
815 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
817 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
818 Transform all "* quoted-c-code" to { c-code }.
819 Remove redundant test for "optimize" in combine patterns.
820 Move (include "avr-dimode.md") to end of file.
822 2012-01-30 Bin Cheng <bin.cheng@arm.com>
825 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
826 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
828 2012-01-30 Richard Guenther <rguenther@suse.de>
830 PR tree-optimization/52028
831 * tree-loop-distribution.c (ldist_gen): Properly update
834 2012-01-30 Jakub Jelinek <jakub@redhat.com>
837 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
838 set_cur_line_info_table if not emitting debug info.
840 PR tree-optimization/52046
841 * tree-vect-patterns.c (check_bool_pattern): Give up if
842 a comparison could throw.
845 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
847 2012-01-30 Richard Guenther <rguenther@suse.de>
849 PR tree-optimization/52045
850 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
851 SSA form if cfgcleanup did anything.
853 2012-01-30 Richard Guenther <rguenther@suse.de>
855 PR tree-optimization/52045
856 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
857 before computing final todo.
859 2012-01-30 Richard Guenther <rguenther@suse.de>
861 PR tree-optimization/51528
862 * tree-sra.c (sra_modify_assign): Re-factor in preparation
865 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
867 * df-problems.c (df_kill_notes): Check that the use refers
868 to the note under examination.
870 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
873 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
874 parameter and use short-lived pseudos.
875 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
876 (sparc_expand_vector_init): Const-ify local variables and adjust
877 calls to above functions.
879 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
881 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
883 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
885 * doc/invoke.texi: Make usage of "compile time" and
886 "run time"/"runtime" consistent throughout the file.
888 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
890 * config/alpha/alpha.c (alpha_option_override): Default to
891 full IEEE compliance mode for Go language.
893 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
895 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
896 (LINK_SSP_SPEC): Define.
898 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
901 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
904 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
906 * doc/invoke.texi: Correct hyphenation of "floating point",
907 "double precision", and related terminology throughout the file.
909 2012-01-28 Jakub Jelinek <jakub@redhat.com>
912 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
913 arm_general_register_operand predicate for operand 2 instead of
916 2012-01-27 Ian Lance Taylor <iant@google.com>
919 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
920 * builtins.c (expand_builtin_init_trampoline): Add onstack
921 parameter. Change caller.
922 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
923 * tree.c (build_common_builtin_nodes): Declare
924 __builtin_init_heap_trampoline.
926 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
928 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
929 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
930 * config/avr/avr.c: Ditto.
931 (avr_regnames): Remove because unused.
932 * config/avr/avr.md (*cpse.ne): New peephole.
933 (*cpse.eq): New peephole from former cpse peepholes.
935 2012-01-27 Michael Eager <eager@eagercon.com>
937 * config/microblaze.c (microblaze_emit_compare): Correct
938 test after pcmp instruction.
940 2012-01-27 Richard Guenther <rguenther@suse.de>
942 PR tree-optimization/52020
943 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
945 2012-01-27 Richard Guenther <rguenther@suse.de>
947 * ipa-pure-const.c (check_stmt): Clobbers do not make a
948 function non-const/pure.
950 2012-01-27 Richard Guenther <rguenther@suse.de>
952 PR tree-optimization/50444
953 * tree-sra.c (build_ref_for_offset): Properly adjust the
954 MEM_REF type for unaligned accesses.
956 2012-01-27 Richard Guenther <rguenther@suse.de>
958 PR tree-optimization/50444
959 * expr.c (mem_ref_refers_to_non_mem_p): New function.
960 (expand_assignment): Use it. Properly handle misaligned
961 bases when expanding stores to component references.
962 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
965 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
968 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
969 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
970 * tree-data-ref.c (find_data_references_in_loop): Make static.
971 (compute_all_dependences): Change return type to bool. Bail out
972 for too many datarefs in a loop. Move the hunk resetting the data
973 dependences vector from ...
974 (compute_data_dependences_for_loop): ... here. Account for
975 compute_all_dependences returning false.
976 (compute_data_dependences_for_bb): Likewise.
977 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
978 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
980 2012-01-27 Richard Guenther <rguenther@suse.de>
983 * expr.c (store_field): Use the alias-set of the scratch memory
986 2012-01-27 Tom de Vries <tom@codesourcery.com>
988 PR tree-optimization/51990
989 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
991 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
993 2012-01-27 Jakub Jelinek <jakub@redhat.com>
996 * var-tracking.c (reverse_op): Don't add any reverse operation
997 if V already has any constant locations.
999 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1001 * doc/invoke.texi: Correct usage of "command line" (noun)
1002 vs "command-line" (adjective) throughout.
1004 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1006 * doc/invoke.texi (Language Independent Options): Move
1007 -Wcoverage-mismatch blurb from here....
1008 (Warning Options): ...to here.
1010 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
1012 * config/rs6000/rs6000.c (rs6000_option_override_internal):
1013 Set rs6000_always_hint to false for 476.
1015 2012-01-27 Matthias Klose <doko@ubuntu.com>
1017 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1019 * incpath.c (add_standard_paths): Likewise.
1021 2012-01-27 Richard Henderson <rth@redhat.com>
1023 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1024 * config/m68k/sync.md (atomic_test_and_set): Rename from
1025 sync_test_and_setqi and adjust the operands.
1026 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1027 and unconditionally enable.
1029 2012-01-27 Richard Henderson <rth@redhat.com>
1031 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1032 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1033 (ldstub): Rename from ldstubqi.
1034 (ldstub<I24MODE>): Remove.
1036 2012-01-27 Richard Henderson <rth@redhat.com>
1038 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1039 * c-cppbuiltin.c (cpp_atomic_builtins): Define
1040 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1041 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1042 * doc/tm.texi: Rebuild.
1044 2012-01-27 Richard Henderson <rth@redhat.com>
1046 * optabs.c (gen_atomic_test_and_set): Remove default.
1047 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1049 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1051 PR rtl-optimization/51978
1052 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1053 (combine_reaching_defs): Likewise.
1054 (struct re_info): Remove.
1055 (add_removable_extension): Remove x and data arguments,
1056 add insn, insn_list and def_map. Use the arguments directly
1057 instead of using struct re_info.
1058 (find_removable_extensions): Don't call add_removable_extension
1059 through note_stores, instead just call it with single_set
1061 (find_and_remove_re): Pass curr_cand->expr instead of
1062 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1064 2012-01-26 Michael Matz <matz@suse.de>
1066 PR tree-optimization/46590
1067 * cfgexpand.c: Revert last change (r183305).
1068 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1070 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1071 checking for emptiness.
1073 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1076 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1077 non-addressable non-BLKmode base correctly.
1079 2012-01-26 Michael Matz <matz@suse.de>
1081 PR tree-optimization/48794
1082 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1083 regions referenced from RESX/EH_DISPATCH.
1085 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1087 * config/s390/s390.h: Make BRANCH_COST an option.
1088 * config/s390/s390.opt: New option -mbranch-cost.
1090 2012-01-26 Richard Henderson <rth@redhat.com>
1092 Revert 2012-01-24 change:
1093 * trans-mem.c (requires_barrier): Do not instrument thread local
1094 variables and emit save/restore for them.
1096 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1099 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1102 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
1104 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1107 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
1110 Rename __pgm to __flash.
1111 Rename __pgm1 to __flash1.
1112 Rename __pgm2 to __flash2.
1113 Rename __pgm3 to __flash3.
1114 Rename __pgm4 to __flash4.
1115 Rename __pgm5 to __flash5.
1116 Rename __pgmx to __memx.
1117 * doc/extend.texi (AVR Named Address Spaces)
1118 Rename address space names as indicated above.
1119 * config/avr/avr.c (avr_addrspace): Ditto.
1121 * config/avr/avr-protos.h
1122 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1123 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1124 * config/avr/predicates.md: Ditto.
1125 * config/avr/avr.c Ditto, and
1126 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1127 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1129 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1130 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1131 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1132 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1133 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1134 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1135 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1136 * config/avr/avr.c: Ditto.
1137 * config/avr/avr.md: Ditto.
1139 2012-01-25 Jason Merrill <jason@redhat.com>
1142 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1144 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1146 PR tree-optimization/51987
1147 * tree-data-ref.c (get_references_in_stmt): Handle references in
1148 non-volatile GIMPLE_ASM.
1150 2012-01-25 Richard Guenther <rguenther@suse.de>
1152 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1153 bases are dereferenced.
1155 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1157 PR rtl-optimization/48374
1158 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1160 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1162 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1163 compute_data_dependences_for_loop returns false.
1164 * tree-parloops.c (loop_parallel_p): Likewise.
1166 2012-01-25 Richard Guenther <rguenther@suse.de>
1168 * tree.h (get_pointer_alignment_1): Declare.
1169 * builtins.c (get_pointer_alignment_1): New function.
1170 (get_pointer_alignment): Use it.
1172 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1174 PR rtl-optimization/48308
1175 * combine.c (enum undo_kind): Add UNDO_LINKS.
1176 (struct undo): Add member l to other_contents and where.
1177 (do_SUBST_LINK): New.
1179 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1180 (undo_all): Handle UNDO_LINKS.
1182 2012-01-25 Richard Henderson <rth@redhat.com>
1184 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1187 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1189 * optabs.c (gen_atomic_test_and_set): Use each argument.
1191 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1193 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1194 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1195 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1196 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1197 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1198 TARGET_PAIRED_SINGLE_FLOAT.
1200 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1202 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1203 (in_struct, return_val): Remove MEM documentation.
1204 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1205 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1206 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1208 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1209 * cfgexpand.c (add_alias_set_conflicts): Likewise.
1210 * expr.c (store_field): Likewise.
1211 * function.c (assign_stack_temp_for_type): Likewise.
1212 * ifcvt.c (noce_try_cmove_arith): Likewise.
1213 * reload1.c (reload): Likewise.
1214 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1215 (alpha_set_memflags): Likewise.
1216 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1218 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1220 * rtl.h (true_dependence, canon_true_dependence): Remove varies
1222 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1223 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1224 (true_dependence_1, true_dependence, canon_true_dependence): Remove
1226 * cselib.c (cselib_rtx_varies_p): Delete.
1227 (cselib_invalidate_mem): Update call to canon_true_dependence.
1228 * dse.c (record_store, check_mem_read_rtx): Likewise.
1229 (scan_reads_nospill): Likewise.
1230 * cse.c (check_dependence): Likewise.
1231 (cse_rtx_varies_p): Delete.
1232 * expr.c (safe_from_p): Update call to true_dependence.
1233 * ira.c (validate_equiv_mem_from_store): Likewise.
1234 (memref_referenced_p): Likewise.
1235 * postreload-gcse.c (find_mem_conflicts): Likewise.
1236 * sched-deps.c (sched_analyze_2): Likewise.
1237 * store-motion.c (load_kills_store): Likewise.
1238 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1239 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1240 (compute_transp): Update call to canon_true_dependence.
1242 2012-01-25 Richard Henderson <rth@redhat.com>
1244 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1245 (maybe_emit_atomic_test_and_set): New.
1246 (expand_sync_lock_test_and_set): Use it.
1247 (expand_atomic_test_and_set): Likewise.
1248 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1249 the implementation; clarify implementation defined details.
1250 * doc/md.texi (atomic_test_and_set): Document.
1252 2012-01-25 Richard Henderson <rth@redhat.com>
1254 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1256 2012-01-25 Richard Henderson <rth@redhat.com>
1259 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1260 to effect no-op split.
1262 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1265 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1266 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1267 (BT_FN_VOID_PTR_INT_SIZE): New.
1268 (BT_FN_UINT_UINT_VAR): Remove.
1269 (BT_FN_UINT32_UINT32_VAR): New.
1270 (BT_FN_DOUBLE_VPTR): Remove.
1271 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1273 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1274 (_ITM_changeTransactionMode): Same.
1275 (_ITM_memmoveRtWt): Change return type to void.
1276 (_ITM_memcpyRtWt): Same.
1277 (_ITM_memsetW): Same.
1278 (_ITM_RaRD): Change types to double.
1283 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1285 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1286 Patrick Marlier <patrick.marlier@gmail.com>
1288 * trans-mem.c (requires_barrier): Do not instrument thread local
1289 variables and emit save/restore for them.
1291 2012-01-24 Jason Merrill <jason@redhat.com>
1294 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1295 output static aliases.
1297 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1300 * common.opt (-pie, -shared, pie, shared): Change from Common to
1302 * gcc.c (display_help): Display help for -pie and -shared.
1304 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1307 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1308 Remove note on size/offset limitation.
1309 (AVR Variable Attributes): Add example how to read data located
1310 with progmem. Refer to named address spaces.
1311 * doc/invoke.texi (AVR Options): Fix typo.
1313 2012-01-24 Richard Guenther <rguenther@suse.de>
1315 Forward-port to trunk
1316 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1319 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1320 op0 isn't sufficiently aligned and there is movmisalignM
1321 insn for mode, use it to load op0 into a temporary register.
1323 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1326 * target.def (const_not_ok_for_debug_p): New hook.
1327 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1329 * doc/tm.texi: Regenerated.
1330 * dwarf2out.c (const_ok_for_output_1): If
1331 targetm.const_not_ok_for_debug_p returns true, fail.
1332 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1334 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1336 2012-01-23 Kai Tietz <ktietz@redhat.com>
1339 * config/i386/predicates.md (symbolic_operand): Allow
1340 UNSPEC_PCREL as PIC expression for lea.
1341 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1342 * config/i386/i386.c (ix86_delegitimize_address): Handle
1343 UNSPEC_PCREL for none-MEM, too.
1345 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1347 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1348 (ipa_tm_create_version_alias): Same.
1350 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1353 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1354 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1356 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1357 Patrick Marlier <patrick.marlier@gmail.com>
1358 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1361 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1362 simple_object_start_read.
1364 2012-01-23 Richard Guenther <rguenther@suse.de>
1367 PR tree-optimization/51895
1368 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1369 parameter decomposition into BLKmode components.
1371 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1373 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1374 fake variables for restrict-qualified pointers whose pointed-to type
1375 contains a placeholder.
1377 2012-01-23 Richard Guenther <rguenther@suse.de>
1379 PR tree-optimization/51949
1380 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1382 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1384 PR rtl-optimization/51933
1385 * ree.c (transform_ifelse): Return true right away if dstreg is
1386 already wider or equal to cand->mode.
1387 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1388 (make_defs_and_copies_lists): Remove defs_list and copies_list
1389 arguments, add state argument, just truncate state->work_list
1390 instead of always allocating and freeing the vector. Assert that
1391 get_defs succeeds instead of returning 2. Changed return type to bool.
1392 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1393 have ext_src_mode, see if it has been modified already with the
1394 right kind of extension and has been extended before from the
1395 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1396 just return true. Remember the original mode in state->modified array.
1397 (combine_reaching_defs): Add state argument. Don't allocate and
1398 free here def_list, copied_list and vec vectors, instead just
1399 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1400 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1401 Add state variable, clear vectors in it, initialize state.modified
1402 if needed. Free all the vectors at the end and state.modified too.
1403 Don't skip a candidate if the extension expression has been modified.
1405 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1408 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1409 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1410 (extra_options) interix.opt -> i386/interix.opt"
1411 (extra_objs):Add winnt-stubs.o
1412 * configure.ac: Add interix to target_os .comm on PE check.
1413 * configure: Regenerate.
1414 * config/interix3.h: Delete and move bits to..
1415 * config/interix.h: Delete and move bits to..
1416 * config/i386/i386-interix3.h: Delete and move bits to..
1417 * config/i386/i386-interix.h: ..here.
1418 (TARGET_CPU_DEFAULT): Remove redefinition.
1419 (TARGET_ASM_CONSTRUCTOR): Undefine.
1420 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1421 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1422 (PTRDIFF_TYPE): Define.
1423 (LONG_DOUBLE_TYPE_SIZE): Define.
1424 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1425 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1426 (TARGET_SECTION_TYPE_FLAGS): Define.
1427 (ASM_DECLARE_FUNCTION_NAME): Define.
1428 (ASM_OUTPUT_EXTERNAL): Define.
1429 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1430 (ASM_OUTPUT_ALIGNED_BSS): Define.
1431 (PCC_BITFIELD_TYPE_MATTERS): Define.
1432 (USE_CONST_SECTION): Define.
1433 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1434 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1435 (SUPPORTS_ONE_ONLY): Remove.
1436 (I386_PE_STRIP_ENCODING): Define.
1437 * config/interix.opt: Delete and move bits to..
1438 * config/i386/interix.opt: ..here. New.
1439 (mpe-aligned-commons): Add.
1440 * config/i386/t-interix: Add copyright header.
1441 (winnt-stubs.o): Add rule.
1443 2012-01-22 Jason Merrill <jason@redhat.com>
1446 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1447 for extra name aliases.
1449 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1451 PR rtl-optimization/51924
1452 * ree.c (combine_set_extension): Improve debugging message.
1453 (combine_reaching_defs): Likewise.
1454 (get_defs): Rename confusingly named variable.
1455 (find_and_remove_re): Skip a candidate if the extension expression has
1458 2012-01-21 Robert Millan <rmh@gnu.org>
1459 Gerald Pfeifer <gerald@pfeifer.com>
1461 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1462 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1464 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1466 PR tree-optimization/51914
1467 * tree-vect-stmts.c (vectorizable_conversion): For
1468 cvt_type && modifier == WIDEN, put temporary with cvt_type
1469 at the beginning of vec_dsts and set vec_dest to temporary
1472 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1474 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1476 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1478 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1479 * config/rs6000/rs6000.c: Likewise.
1481 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1484 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1485 output_move_double on a copy of operands array.
1487 2012-01-20 Cary Coutant <ccoutant@google.com>
1488 Dodji Seketeli <dodji@redhat.com>
1491 * dwarf2out.c (copy_declaration_context): Return ref to parent
1492 of declaration DIE, if necessary.
1493 (remove_child_or_replace_with_skeleton): Add new parameter; update
1494 caller. Place skeleton DIE under parent DIE of original declaration.
1495 Move call to copy_declaration_context to here ...
1496 (break_out_comdat_types): ... from here.
1498 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1500 PR rtl-optimization/51856
1501 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1504 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1507 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1508 hints for neon loads and stores.
1510 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1514 * doc/extend.texi (Named Address Spaces): Split into subsections.
1515 (AVR Named Address Spaces): New subsection.
1516 (M32C Named Address Spaces): New subsection.
1517 (RL78 Named Address Spaces): New subsection.
1518 (SPU Named Address Spaces): New subsection.
1519 (Variable Attributes): New anchor "AVR Variable Attributes".
1520 (AVR Variable Attributes): Rewrite and avoid wording
1521 "address space" in this context.
1522 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1523 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1524 (AVR Built-in Macros): New subsubsection therein.
1525 * doc/md.texi (AVR constraints): Remove "C04", "R".
1527 2012-01-20 Richard Guenther <rguenther@suse.de>
1529 PR tree-optimization/51903
1530 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1531 when removing stmts.
1533 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1536 * config/arm/arm.c (arm_load_pic_register): Use
1537 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1538 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1539 (arm_pic_static_addr): Likewise.
1540 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1541 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1542 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1543 (pic_load_addr_unified): New.
1545 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1548 * function.c (instantiate_virtual_regs_in_insn): Use
1549 delete_insn_and_edges when removing a wrong asm insn.
1551 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1553 PR rtl-optimization/40761
1554 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1555 Add new member loop_num.
1556 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1557 (ira_build): Remove the parameter.
1559 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1560 (ira.c): Do not build CFG loops for one region allocation. Remove
1561 argument from ira_build call.
1563 * ira-build.c (init_loop_tree_node): New function.
1564 (create_loop_tree_nodes): Use it. Separate the case when CFG
1565 loops are not built.
1566 (more_one_region_p): Check current_loops.
1567 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1569 (add_loop_to_tree): Process loop equal to NULL too.
1570 (form_loop_tree): Separate the case when CFG loops are not built.
1571 Use explicitly number for the root.
1572 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1574 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1575 instead of loop->num.
1576 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1577 (mark_all_loops_for_removal): Ditto.
1578 (remove_unnecessary_regions): Separate the case when CFG loops
1580 (ira_build): Remove the parameter. Use explicit number of regions
1581 when CFG loops are not built.
1583 * ira-color.c (print_loop_title): Separate the case for the root node.
1584 Use loop_num instead of loop->num.
1585 (move_spill_restore): Use loop_num instead of loop->num.
1587 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1588 (change_loop): Ditto.
1589 (change_loop): Use loop_num instead of loop->num.
1591 * ira-lives.c (process_bb_node_lives): Ditto.
1593 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1595 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1597 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1600 * tree-mudflap.c (mf_artificial): New function.
1601 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1602 mx_register_decls, mudflap_enqueue_decl): Use it.
1605 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1606 numbers in the insn pattern.
1608 2012-01-19 Michael Matz <matz@suse.de>
1610 PR tree-optimization/46590
1611 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1612 use it in remembering which conflicts we already created.
1613 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1616 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1619 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1620 (merge_and_complain): Same.
1622 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1625 * config/initfini-array.h: Guard content of the header
1626 with #ifdef HAVE_INITFINI_ARRAY.
1627 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1628 Add initfini-array.h to tm_file here.
1629 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1630 * config.gcc: Don't add initfini-array.h to tm_file here.
1631 * configure: Regenerated.
1633 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1635 PR rtl-optimization/51505
1636 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1637 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1638 (df_note_bb_compute): Update the call to df_kill_notes.
1640 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1642 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1644 2012-01-18 Richard Guenther <rguenther@suse.de>
1646 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1647 of conversions to void *.
1649 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1650 Richard Sandiford <rdsandiford@googlemail.com>
1654 * optabs.h (simplify_expand_binop): Declare.
1655 * optabs.c (simplify_expand_binop): Make global.
1656 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1657 endian targets if the source cannot be exactly covered by word
1660 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1663 * hard-reg-set.h (struct hard_reg_set_container): New type.
1664 * target.h (struct hard_reg_set_container): Forward declare.
1665 * target.def (set_up_by_prologue): New target hook.
1666 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1667 * doc/tm.texi: Regenerated.
1668 * function.c (thread_prologue_and_epilogue_insns): Change
1669 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1670 Call targetm.set_up_by_prologue on it.
1671 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1672 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1674 2012-01-17 Nick Clifton <nickc@redhat.com>
1676 * config/rx/rx.c (rx_can_use_simple_return): New function.
1677 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1678 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1680 2012-01-17 Richard Guenther <rguenther@suse.de>
1683 * expr.c (expand_assignment): Take address-space information
1684 from the address operand of MEM_REF and TARGET_MEM_REF.
1685 (expand_expr_real_1): Likewise.
1687 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1689 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1690 reload dump is requested.
1692 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1695 * trans-mem.c (requires_barrier): Call may_be_aliased.
1697 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1699 PR tree-optimization/51877
1700 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1701 call arguments and fndecls compare equal, instead return false if they
1702 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1703 both SSA_NAMEs that are valueized the same, or they satisfy
1706 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1708 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1710 * configure: Regenerate.
1712 2012-01-16 Jan Hubicka <jh@suse.cz>
1716 * convert.c (convert_to_integer): Use fold_convert for
1717 converting an INTEGER_CST to integer type.
1719 2012-01-16 Jason Merrill <jason@redhat.com>
1722 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1724 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1727 * config/s390/s390.c (s390_chunkify_start): Don't skip
1728 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1729 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1730 If insn is followed by NOTE_INSN_VAR_LOCATION or
1731 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1732 Don't use location of note insns.
1734 PR tree-optimization/51865
1735 * tree-inline.c (tree_function_versioning): Call remap_decl
1736 on DECL_RESULT whenever it has VOID_TYPE_P type.
1738 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1740 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1741 for calls to locally-binding MIPS16 functions if only the return
1742 type uses float regs.
1744 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1745 Richard Sandiford <rdsandiford@googlemail.com>
1747 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1748 (SYMBOL_32_HIGH): Likewise.
1749 (mips_output_tls_reloc_directive): Declare.
1750 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1751 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1752 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1753 (mips_lo_relocs, mips_hi_relocs): Make extern.
1754 (mips16_stub_function): Move up file.
1755 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1756 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1757 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1758 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1759 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1760 (mips_get_tp): Add MIPS16 support.
1761 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1762 Generalize DTPREL and TPREL handling.
1763 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1764 Add MIPS16 TLS support.
1765 (mips_output_tls_reloc_directive): New function.
1766 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1767 * config/mips/predicates.md (symbolic_operand_with_high)
1768 (tls_reloc_operand): New predicates.
1769 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1770 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1771 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1772 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1773 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1774 (*tls_get_tp_mips16_call_<mode>): Likewise.
1776 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1778 PR rtl-optimization/51821
1779 * recog.c (peep2_find_free_register): Determine clobbered registers
1782 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1785 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1786 * config/avr/avr.c: Likewise.
1787 * config/avr/avr.h: Likewise.
1789 2012-01-13 Ian Lance Taylor <iant@google.com>
1792 * tree.h (TYPE_QUALS): Add cast to int.
1793 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1795 2012-01-13 Ian Lance Taylor <iant@google.com>
1797 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1798 comparing param_index to VEC_length result.
1800 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1802 * c-decl.c: Do not include tree-mudflap.h
1803 * tree-optimize.c: Likewise.
1804 * Makefile.in: Update dependencies.
1806 2012-01-13 Richard Guenther <rguenther@suse.de>
1809 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1810 variable-sized result always use RSO.
1812 2012-01-12 DJ Delorie <dj@redhat.com>
1814 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1815 pointer type, not just the default pointer type.
1817 2012-01-09 Richard Henderson <rth@redhat.com>
1818 Denis Chertykov <chertykov@gmail.com>
1821 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1822 * config/avr/avr.c (avr_can_eliminate): Simplify.
1823 (avr_initial_elimination_offset): Likewise.
1824 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1825 (expand_epilogue): Likewise.
1826 (avr_legitimize_address): Gut.
1827 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1828 (avr_hard_regno_nregs): New.
1829 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1830 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1831 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1832 add soft frame pointer.
1833 (CALL_USED_REGISTERS): Likewise.
1834 (REG_CLASS_CONTENTS): Likewise.
1835 (REGISTER_NAMES): Likewise.
1836 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1837 (HARD_FRAME_POINTER_REGNUM): New.
1838 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1839 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1840 remove the HARD_FRAME_POINTER self-elimination.
1842 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1845 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1846 DECL_EXTERNAL when checking for initializers of progmem variables.
1848 2012-01-12 Ira Rosen <irar@il.ibm.com>
1850 PR tree-optimization/51799
1851 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1852 that the last operation is a type demotion.
1854 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1856 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1857 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1859 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1862 * combine.c (distribute_notes): If i3 is a noreturn call,
1863 allow old_size to be equal to args_size and make sure the
1864 noreturn call gets REG_ARGS_SIZE note.
1865 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1866 on noreturn calls even when the delta is 0.
1868 2012-01-11 Nathan Sidwell <nathan@acm.org>
1870 * gcov.c (STRING_SIZE): Remove.
1871 (generate_results): Erase annotations for source files with no
1872 coverage information.
1874 (output_lines): Use it.
1876 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1878 * gimple.h (gimplify_body): Remove first argument.
1879 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1880 pointer set here, instead just pass DATA to walk_tree.
1881 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1882 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1883 (unvisit_body): Likewise, but with unmark_visited.
1884 (gimplify_body): Remove BODY_P argument and adjust.
1885 (gimplify_function_tree): Adjust call to gimplify_body.
1886 * omp-low.c (finalize_task_copyfn): Likewise.
1888 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1890 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1891 (build_function_type_skip_args): Delete.
1892 * tree.c (build_function_type_skip_args): Make static and add
1893 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1894 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1895 pass it to build_function_type_skip_args.
1896 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1897 (tree_function_versioning): Likewise.
1898 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1899 build_function_decl_skip_args.
1900 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1901 and pass it to build_function_decl_skip_args/tree_function_versioning.
1902 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1903 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1904 * trans-mem.c (ipa_tm_create_version): Likewise.
1905 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1906 * tree-inline.c (declare_return_variable): Remove always-true test.
1907 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1908 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1909 * ipa-split.c (split_function): Skip the return value for the split
1910 part if it doesn't return.
1912 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1914 PR tree-optimization/49642
1915 * ipa-split.c (forbidden_dominators): New variable.
1916 (check_forbidden_calls): New function.
1917 (dominated_by_forbidden): Likewise.
1918 (consider_split): Check for forbidden dominators.
1919 (execute_split_functions): Initialize and free forbidden
1920 dominators info; call check_forbidden_calls.
1922 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1924 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1926 2012-01-11 Nick Clifton <nickc@redhat.com>
1928 * config/rx/rx.md (return): Define pattern.
1930 2012-01-11 Richard Guenther <rguenther@suse.de>
1932 * doc/extend.texi (malloc attribute): Adjust according to
1935 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1936 Patrick Marlier <patrick.marlier@gmail.com>
1939 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1940 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1941 (ipa_tm_note_irrevocable): Same.
1942 (ipa_tm_scan_irr_block): Same.
1943 (ipa_tm_decrement_clone_counts): Same.
1944 (ipa_tm_scan_irr_function): Same.
1945 (ipa_tm_create_version_alias): Same.
1946 (ipa_tm_create_version): Same.
1947 (ipa_tm_transform_calls_redirect): Same.
1948 (ipa_tm_transform_calls): Same.
1949 (ipa_tm_transform_transaction): Same.
1950 (ipa_tm_execute): Same.
1952 2012-01-10 Richard Guenther <rguenther@suse.de>
1955 * opts.c (common_handle_option): Handle -Werror.
1957 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1959 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1962 2012-01-10 Jason Merrill <jason@redhat.com>
1964 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1967 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1969 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1970 supports R_386_TLS_GD_PLT reloc.
1971 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1972 supports R_386_TLS_LDM_PLT reloc.
1973 * configure: Regenerate.
1974 * config.in: Regenerate.
1976 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1979 Extend __pgmx semantics to linearize memory.
1980 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1981 determine if code comes inline or from libgcc.
1982 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1983 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1984 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1985 (movmemx_qi, movmemx_hi): New insns.
1986 (xload_<mode>_libgcc): Rewrite to new insn condition.
1987 (xload_<mode>): Remove insns.
1988 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1989 cases that don't satisfy avr_xload_libgcc_p().
1990 (avr_addr_space_convert): Allow converting in any direction.
1991 (avr_addr_space_subset_p): Return always true.
1992 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1993 (avr_emit_movmemhi): Ditto.
1994 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1995 (avr_out_movmem): Ditto.
1996 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1997 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1998 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1999 (avr_encode_section_info): Encode 'progmem' in symbol flags.
2000 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2002 2012-01-10 Richard Guenther <rguenther@suse.de>
2004 PR tree-optimization/50913
2005 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2006 Require data-refs to be representable by Graphite with respect
2009 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
2011 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2012 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2014 2012-01-10 Tom de Vries <tom@codesourcery.com>
2016 PR rtl-optimization/51271
2017 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2018 handling annulled branch.
2020 2012-01-10 Richard Henderson <rth@redhat.com>
2022 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2023 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2024 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2025 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2026 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2027 arm_expand_vec_perm_const): New.
2028 * config/arm/arm-protos.h: Update.
2029 * config/arm/neon.md (UNSPEC_VCONCAT): New.
2030 (*neon_vswp<VDQX>): New.
2031 (neon_vcombine<VDX>): Use neon_split_vcombine.
2032 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2033 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2034 (vec_perm<VE>): New.
2036 2012-01-10 Richard Henderson <rth@redhat.com>
2038 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2039 use it if reload_completed.
2040 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2041 arm_output_asm_insn, arm_process_output_memory_barrier,
2042 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2043 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2044 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2045 arm_process_output_sync_insn, arm_output_sync_insn,
2046 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2047 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2048 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2049 (emit_unlikely_jump): New.
2050 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2051 (arm_split_atomic_op): New.
2052 * config/arm/arm-protos.h: Update.
2053 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2054 (struct arm_sync_generator): Remove.
2055 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2056 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2057 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2058 (VUNSPEC_LL, VUNSPEC_SC): New.
2059 (sync_result, sync_memory, sync_required_value, sync_new_value,
2060 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2061 (attr length): Don't use arm_sync_loop_insns.
2062 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2063 (movsfcc, movdfcc): Likewise.
2064 * config/arm/constraints.md (Ua): New.
2065 * config/arm/prediates.md (mem_noofs_operand): New.
2066 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2067 (sync_clobber, sync_t2_reqd): Remove.
2068 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2069 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2070 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2071 (arm_sync_compare_and_swap<SIDI>): Remove.
2072 (arm_sync_compare_and_swap<NARROW>): Remove.
2073 (arm_sync_lock_test_and_set<SIDI>): Remove.
2074 (arm_sync_lock_test_and_set<NARROW>): Remove.
2075 (arm_sync_new_<syncop><SIDI>): Remove.
2076 (arm_sync_new_<syncop><NARROW>): Remove.
2077 (arm_sync_new_nand<SIDI>): Remove.
2078 (arm_sync_new_nand<NARROW>): Remove.
2079 (arm_sync_old_<syncop><SIDI>): Remove.
2080 (arm_sync_old_<syncop><NARROW>): Remove.
2081 (arm_sync_old_nand<SIDI>): Remove.
2082 (arm_sync_old_nand<NARROW>): Remove.
2083 (*memory_barrier): Merge arm_output_memory_barrier.
2084 (atomic_compare_and_swap<QHSD>): New.
2085 (atomic_compare_and_swap<NARROW>_1): New.
2086 (atomic_compare_and_swap<SIDI>_1): New.
2087 (atomic_exchange<QHSD>): New.
2088 (cas_cmp_operand, cas_cmp_str): New.
2089 (atomic_op_operand, atomic_op_str): New.
2090 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2091 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2092 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2093 (arm_load_exclusive<NARROW>): New.
2094 (arm_load_exclusivesi, arm_load_exclusivedi): New.
2095 (arm_store_exclusive<QHSD>): New.
2097 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2099 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2100 reload patterns if -mvsx-scalar-memory.
2102 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2103 generated, even -mno-vsx-scalar-double was used.
2104 (vsx_xscvdpsp_scalar): Likewise.
2105 (vsx_xscvspdp_scalar2): Likewise.
2107 2012-01-09 Tom de Vries <tom@codesourcery.com>
2108 Andrew Pinski <apinski@cavium.com>
2111 * reorg.c (fill_slots_from_thread): Don't speculate
2112 frame-related insns.
2114 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
2116 * sched-int.h (bb_note): Move to...
2117 * basic-block.h: ...here.
2118 * haifa-sched.c (bb_note): Move to...
2119 * cfgrtl.c: ...here.
2120 * function.c (next_block_for_reg): New function.
2121 (move_insn_for_shrink_wrap): Likewise.
2122 (prepare_shrink_wrap): Rewrite to use the above.
2124 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
2126 * gimple.c (is_gimple_non_addressable): Remove.
2127 * gimple.h: Remove is_gimple_non_addressable.
2128 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2129 is_gimple_non_addressable.
2130 * trans-mem.c (expand_assign_tm): Same.
2132 2012-01-09 Richard Guenther <rguenther@suse.de>
2134 PR tree-optimization/51775
2135 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2136 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2138 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2140 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2142 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2144 2012-01-09 Richard Guenther <rguenther@suse.de>
2146 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2148 2012-01-08 Jan Hubicka <jh@suse.cz>
2150 PR tree-optimize/51680
2151 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2152 on when known_vals needs to be computed; cleanup.
2154 2012-01-08 Jan Hubicka <jh@suse.cz>
2156 PR tree-optimize/51694
2157 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2159 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
2161 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2162 for -std=c++98 and -std=c++11 too.
2164 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
2166 * cfgloop.c (cancel_loop): Add free() of bbs array.
2168 2012-01-07 Jan Hubicka <jh@suse.cz>
2170 PR tree-optimization/51600
2171 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2172 that benefits small functions.
2174 2012-01-07 Jan Hubicka <jh@suse.cz>
2176 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2178 2012-01-07 Jan Hubicka <jh@suse.cz>
2180 PR tree-optimization/51680
2181 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2182 whose inlining reduce unit size.
2184 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2187 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2188 Add canonical node to containing_mem chain after the non-canonical
2189 one, even if there weren't any locs to propagate.
2190 (remove_useless_values): Keep only canonical values.
2191 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2192 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2193 canonicalize mem_chain elements that are not discarded.
2195 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2198 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2199 before emitting functions.
2201 PR gcov-profile/50127
2202 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2203 clear_aux_for_blocks.
2205 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
2208 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2210 2012-01-06 Arnaud Charlet <charlet@adacore.com>
2212 * c-decl.c (ext_block): Moved up.
2213 (collect_all_refs, for_each_global_decl): Take ext_block into account.
2215 2012-01-06 Han Shen <shenhan@google.com>
2217 Translate built-in include paths for sysroot.
2218 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2219 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2221 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2222 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2224 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2225 control whether sysroot should be prepended to gxx include dir.
2227 * configure: Regenerate.
2229 2012-01-06 Torvald Riegel <triegel@redhat.com>
2231 PR rtl-optimization/51771
2232 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2233 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2235 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2237 PR tree-optimization/51315
2238 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2239 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2241 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
2244 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2245 for shrp pattern. Correctly handle and fixup shift variable.
2246 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2248 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2251 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2252 note when !ACCUMULATE_OUTGOING_ARGS.
2254 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2256 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2258 (extract_range_from_unary_expr_1): Avoid useless computations.
2260 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2262 PR rtl-optimization/51767
2263 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2264 of jump_block and add an extra edge for degenerated asm gotos.
2267 * stmt.c (check_unique_operand_names): Don't ICE during error
2268 reporting if i is from labels chain.
2271 * profile.c (branch_prob): Split bbs that have exit edge
2272 and need a fake entry edge too.
2274 2012-01-05 Jan Hubicka <jh@suse.cz>
2277 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2280 2012-01-05 Richard Guenther <rguenther@suse.de>
2283 * tree-streamer-out.c (write_ts_optimization): New function.
2284 (streamer_write_tree_body): Call it.
2285 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2286 (streamer_read_tree_body): Call it.
2287 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2289 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2292 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2293 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2294 in_cleanup_point_expr before gimplify_stmt call and restore it
2296 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2297 in_cleanup_point_expr is false.
2299 2012-01-05 Richard Guenther <rguenther@suse.de>
2302 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2304 * toplev.c (process_options): Reject combining mudflap and LTO.
2305 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2307 2012-01-05 Richard Guenther <rguenther@suse.de>
2309 PR tree-optimization/51760
2310 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2312 (bit_value_unop): Handle UNDEFINED operands.
2313 (bit_value_binop): Likewise.
2315 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2317 * config/avr/avr.c (avr_replace_prefix): Remove.
2318 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2319 (avr_asm_function_rodata_section): Ditto.
2320 (avr_asm_select_section): Ditto.
2322 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2324 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2327 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2330 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2331 calls that have any non-fake successor edges.
2334 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2336 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2338 PR tree-optimization/51624
2339 * tree-sra.c (build_ref_for_model): When replicating a chain of
2340 COMPONENT_REFs, stop as soon as the offset would become negative.
2342 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2345 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2346 in .debug_loc on the floor.
2348 2012-01-04 Andrew Pinski <apinski@cavium.com>
2350 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2352 2012-01-04 Andrew Pinski <apinski@cavium.com>
2353 Adam Nemet <anemet@caviumnetworks.com>
2355 * config/mips/mips.md (size): Add SI and DI.
2356 (SIZE): New mode attribute.
2357 (U): New code attribute.
2358 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2359 (mips_lbux_<mode>): Delete.
2360 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2361 (mips_lhx): Use gen_mips_lhx_extsi.
2362 (mips_lhx_<mode>): Delete.
2364 (mips_l<size>x): New expand.
2365 (mips_lwx_<mode>): Delete.
2366 (mips_l<GPR:size>x_<P:mode>): New pattern.
2367 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2368 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2369 * config/mips/mips.c (mips_lx_address_p): New function.
2370 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2371 (dsp64): New availability predicate.
2372 (mips_builtins): Add an entry for __builtin_mips_ldx.
2373 * config/mips/mips.h (ISA_HAS_LBX): New define.
2374 (ISA_HAS_LBUX): Likewise.
2375 (ISA_HAS_LHX): Likewise.
2376 (ISA_HAS_LHUX): Likewise.
2377 (ISA_HAS_LWX): Likewise.
2378 (ISA_HAS_LWUX): Likewise.
2379 (ISA_HAS_LDX): Likewise.
2380 * doc/extend.texi (__builtin_mips_ldx): Document.
2382 2012-01-04 Tristan Gingold <gingold@adacore.com>
2384 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2385 when long pointers are used.
2386 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2387 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2388 (ia64-hp-*vms*): Remove.
2389 * config/vms/xm-vms64.h: Delete.
2391 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2394 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2396 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2398 * opts.c (finish_options): Remove duplicate sorry.
2400 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2403 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2406 2012-01-04 Richard Guenther <rguenther@suse.de>
2409 * tree.c (size_low_cst): New function.
2410 * tree.h (size_low_cst): Declare.
2411 * fold-const.c (fold_comparison): Use it to extract the low
2412 part of the POINTER_PLUS_EXPR offset.
2414 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2416 Fix clearing ZERO_REG
2417 * config/avr/avr.md (cc): Add alternative "ldi".
2418 (movqi_insn): Use it in cc attribute.
2419 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2420 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2421 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2423 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2425 * configure: Regenerate.
2427 2012-01-04 Richard Guenther <rguenther@suse.de>
2429 PR tree-optimization/49651
2430 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2431 (var_can_have_subvars): Use it.
2432 (get_constraint_for_1): Only consider subfields if there can be any.
2434 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2437 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2438 to its new canonical_cselib_val and the cselib_val was in
2439 first_containing_mem chain, but the canonical_cselib_val was not,
2440 add the latter into the chain.
2441 (cselib_invalidate_mem): Compare canonical_cselib_val of
2442 addr_list chain elt with v.
2445 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2446 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2448 (output_macinfo_op): Don't ggc_strdup fd->filename.
2449 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2450 then ggc_strdup it. Don't free inc->info or cur->info.
2451 (output_macinfo): Don't free ref->info or file->info.
2453 2012-01-03 Ira Rosen <irar@il.ibm.com>
2455 PR tree-optimization/51269
2456 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2457 first_niters a pointer.
2458 (slpeel_tree_peel_loop_to_edge): Likewise.
2459 (vect_do_peeling_for_loop_bound): Update call to
2460 slpeel_tree_peel_loop_to_edge.
2461 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2462 here. Remove it from the parameters list.
2463 (vect_do_peeling_for_alignment): Update calls and compute
2466 2012-01-03 Richard Guenther <rguenther@suse.de>
2468 PR tree-optimization/51070
2469 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2470 Properly handle calls.
2472 2012-01-03 Richard Guenther <rguenther@suse.de>
2474 PR tree-optimization/51692
2475 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2476 the LHS of allocation stmts.
2478 2012-01-03 Olivier Hainque <hainque@adacore.com>
2480 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2482 2012-01-03 Olivier Hainque <hainque@adacore.com>
2484 * collect2.c (main): In AIX specific computations for vector
2485 insertions, use CONST_CAST2 to cast from char ** to const char **.
2487 2012-01-03 Richard Guenther <rguenther@suse.de>
2490 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2491 the context of a limbo DIE when it does not already exist.
2493 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2495 PR tree-optimization/51719
2496 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2497 but direct call is, clear direct call's lhs and don't add fallthrough
2498 edge from dcall_bb to join_bb and PHIs.
2500 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2502 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2503 the instructions emitted by the pattern.
2504 ("*TDC_insn_<mode>"): Add comment.
2506 2012-01-03 Richard Guenther <rguenther@suse.de>
2509 * fold-const.c (fold_comparison): Properly canonicalize
2510 tree offset and HOST_WIDE_INT bit position.
2512 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2514 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2515 operands for extzv pattern.
2517 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2520 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2523 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2525 * doc/invoke.texi (-flto and related options): Copy-edit.
2527 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2529 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2531 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2533 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2536 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2538 * expr.h (move_by_pieces_ninsns): Declare.
2539 * expr.c (move_by_pieces_ninsns): Make external.
2540 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2541 (mips_store_by_pieces_p): Likewise.
2542 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2543 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2544 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2545 (mips_store_by_pieces_p): Likewise.
2547 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2549 * passes.c (register_one_dump_file): Free full_name.
2551 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2552 (calculate_elim_costs_all_insns): Free offsets_at and
2553 offsets_known_at at the end and clear the pointers.
2555 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2557 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2558 this option introduced in r180739.
2560 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2563 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2564 (tmake_file target=avr): Add avr/t-multilib.
2566 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2567 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2568 * config/avr/genmultilib.awk: New file.
2569 * config/avr/t-multilib: New auto-generated file.
2570 * config/avr/multilib.h: New auto-generated file.
2571 * config/avr/t-avr (AVR_MCUS): New variable.
2572 (genopt.sh): Use it.
2573 (s-mlib): Depend on t-multilib.
2574 (t-multilib, multilib.h): New dependencies.
2575 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2576 (MULTILIB_OPTIONS): Remove.
2577 (MULTILIB_MATCHES): Remove.
2578 (MULTILIB_DIRNAMES): Remove.
2579 (MULTILIB_EXCEPTIONS): Remove:
2580 * config/avr/genopt.sh: Don't use hard coded file name;
2581 pass AVR_MCUS from t-avr instead.
2583 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2585 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2587 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2589 Implement light-weight DImode support.
2590 * config/avr/avr-dimode.md: New file.
2591 * config/avr/avr.md: Include it.
2592 (adjust_len): Add plus64, compare64.
2593 (HIDI): Remove code iterator.
2594 (code_stdname): New code attribute.
2595 (rotx, rotsmode): Remove DI.
2596 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2598 * config/avr/avr-protos.h (avr_have_dimode): New.
2599 (avr_out_plus64, avr_out_compare64): New.
2600 * config/avr/avr.c (avr_out_compare): Handle DImode.
2601 (avr_have_dimode): New variable definition and initialization.
2602 (avr_out_compare64, avr_out_plus64): New functions.
2603 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2604 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2605 (avr_compare_pattern): Skip DImode comparisons.
2607 2012-01-02 Revital Eres <revital.eres@linaro.org>
2609 * ddg.c (def_has_ccmode_p): New function.
2610 (add_cross_iteration_register_deps,
2611 create_ddg_dep_from_intra_loop_link): Call it.
2613 2012-01-02 Richard Guenther <rguenther@suse.de>
2616 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2618 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2620 * gcc.c (process_command): Update copyright notice dates.
2621 * gcov.c (print_version): Likewise.
2622 * gcov-dump.c (print_version): Likewise.
2623 * mips-tfile.c (main): Likewise.
2624 * mips-tdump.c (main): Likewise.
2626 2012-01-01 Ira Rosen <irar@il.ibm.com>
2628 PR tree-optimization/51704
2629 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2630 a use is inside the basic block or loop before accessing its vect info.
2632 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2634 PR rtl-optimization/51069
2635 * cfgloopmanip.c (remove_path): Removing path making irreducible
2636 region unconditional makes BB part of the region.
2638 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2640 PR tree-optimization/51683
2641 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2642 calls with side-effects.
2643 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2645 Copyright (C) 2012 Free Software Foundation, Inc.
2647 Copying and distribution of this file, with or without modification,
2648 are permitted in any medium without royalty provided the copyright
2649 notice and this notice are preserved.
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