1 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
3 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
6 2012-02-16 Jakub Jelinek <jakub@redhat.com>
9 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
10 a same_body_alias, also test whether e->callee isn't a former
11 or current clone of the decl this is a same body alias of.
14 * cgraphunit.c (verify_cgraph_node): Fix a typo.
16 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
18 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
20 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
23 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
24 force_reg instead of copy_to_reg for better optimization. Force
25 non-register or memory operands into a register.
27 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
29 * extend.texi: Reserve upper bits of memory model for future use.
31 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
32 Anatoly Sokolov <aesok@post.ru>
33 Eric Weddington <eric.weddington@atmel.com>
36 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
37 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
38 Rewrite initializers for .macro.
39 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
40 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
41 atxmega32d4, atxmega32x1.
42 avrxmega4: atxmega64a3, atxmega64d3.
43 avrxmega5: atxmega64a1, atxmega64a1u.
44 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
45 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
46 avrxmega7: atxmega128a1, atxmega128a1u.
47 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
48 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
49 (struct base_arch_s): Rename reserved to xmega_p.
50 Rename reserved2 to have_rampd.
51 (AVR_XMEGA): New define.
52 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
53 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
54 * config/avr/predicates.md (io_address_operand): Take into
56 (low_io_address_operand): Ditto.
57 (high_io_address_operand): Ditto.
58 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
59 (enabled, movhi_sp_r): Use them.
60 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
61 cpp_define_formatted to built-in define __AVR_ARCH__.
62 (__AVR_XMEGA__): New built-in define.
63 (__AVR_HAVE_RAMPD__): New built-in define.
64 (__AVR_HAVE_RAMPX__): New built-in define.
65 (__AVR_HAVE_RAMPY__): New built-in define.
66 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
68 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
69 (avr_option_override): Initialize them.
70 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
71 (avr_init_expanders): Initialize them. No more block several calls.
72 (emit_push_sfr): New static function.
73 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
75 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
76 (avr_print_operand): Print addreeses as symbols for
77 RAMPX, RAMPY, RAMPD, CCP.
78 (output_movhi): Handle AVR_XMEGA when writing to SP.
79 (avr_out_movhi_mr_r_xmega): New static function.
80 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
81 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
82 __RAMPD__, __CCP__ as needed.
84 * config/avr/multilib.h: Regenerate.
85 * config/avr/t-multilib: Regenerate.
86 * config/avr/avr-tables.opt: Regenerate.
88 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
90 PR tree-optimization/50561
91 * graphite-flattening.c (lst_project_loop): Do not
92 remove old scattering dimensions after flattening.
93 (lst_do_flatten): Likewise.
95 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
97 * doc/extend.texi (AVR Built-in Functions): Remove doc for
98 __builtin_avr_map8, __builtin_avr_map16.
99 Document __builtin_avr_insert_bits.
101 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
102 (insert_bits): New insn.
103 (adjust_len.map_bits): Rename to insert_bits.
104 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
105 * avr-protos.h (avr_out_map_bits): Remove.
106 (avr_out_insert_bits, avr_has_nibble_0xf): New.
107 * config/avr/constraints.md (Cxf,C0f): New.
108 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
109 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
110 New built-in define __BUILTIN_AVR_INSERT_BITS.
111 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
112 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
113 (avr_move_bits): Rewrite.
114 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
116 (avr_map_op_t): New typedef.
117 (avr_map_op): New static variable.
118 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
119 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
120 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
121 (bdesc_3arg, avr_expand_triop_builtin): New.
122 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
123 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
124 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
125 (avr_map_equal_p, avr_map_sig_p): Remove.
126 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
127 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
128 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
129 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
130 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
131 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
133 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
135 * config/c6x/c6x.md (reserve_cycles): New attribute.
136 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
137 don't reserve functional units after the branch occurs.
139 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
142 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
143 functions into non-tm_pure functions.
145 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
148 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
149 (iterative_hash_canonical_type): Likewise.
150 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
153 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
155 * haifa-sched.c (prune_ready_list): Ensure that if there is a
156 sched-group insn, it either remains alone or the entire list is
159 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
161 * doc/install.texi (Prerequisites): Fix grammar.
162 (Configuration): Likewise.
164 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
166 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
167 MPC as part of GCC before describing configuring with --with-gmp etc.
168 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
171 2012-02-14 Jakub Jelinek <jakub@redhat.com>
174 * dwarf2out.c (clone_tree_hash): New function.
175 (copy_decls_walk): Use it instead of clone_tree.
177 2012-02-14 Richard Guenther <rguenther@suse.de>
179 PR tree-optimization/52244
180 PR tree-optimization/51528
181 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
182 replacements for integral types.
184 2012-02-14 Walter Lee <walt@tilera.com>
186 * config.gcc: Handle tilegx and tilepro.
187 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
189 Add HAVE_AS_TLS check for tilegx and tilepro.
190 * configure: Regenerate.
191 * doc/contrib.texi: Add Mat Hostetter and self.
192 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
193 Document instruction intrinsics and network accessing intrinsics.
194 (TILEPro Built-in Functions): New node. Document instruction
195 intrinsics and network accessing intrinsics.
196 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
197 (Specific, tilepro-*-linux*): Likewise.
198 * doc/invoke.texi (TILE-Gx Options): New section.
199 (TILEPro Options): New section.
200 * doc/md.texi (TILE-Gx): New section.
201 (TILEPro): New section.
202 * common/config/tilegx/tilegx-common.c: New file.
203 * common/config/tilepro/tilepro-common.c: New file.
204 * config/tilegx/constraints.md: New file.
205 * config/tilegx/linux.h: New file.
206 * config/tilegx/mul-tables.c: New file.
207 * config/tilegx/predicates.md: New file.
208 * config/tilegx/sync.md: New file.
209 * config/tilegx/t-tilegx: New file.
210 * config/tilegx/tilegx-builtins.h: New file.
211 * config/tilegx/tilegx-c.c: New file.
212 * config/tilegx/tilegx-generic.md: New file.
213 * config/tilegx/tilegx-modes.def: New file.
214 * config/tilegx/tilegx-multiply.h: New file.
215 * config/tilegx/tilegx-protos.h: New file.
216 * config/tilegx/tilegx.c: New file.
217 * config/tilegx/tilegx.h: New file.
218 * config/tilegx/tilegx.md: New file.
219 * config/tilegx/tilegx.opt: New file.
220 * config/tilepro/constraints.md: New file.
221 * config/tilepro/gen-mul-tables.cc: New file.
222 * config/tilepro/linux.h: New file.
223 * config/tilepro/mul-tables.c: New file.
224 * config/tilepro/predicates.md: New file.
225 * config/tilepro/t-tilepro: New file.
226 * config/tilepro/tilepro-builtins.h: New file.
227 * config/tilepro/tilepro-c.c: New file.
228 * config/tilepro/tilepro-generic.md: New file.
229 * config/tilepro/tilepro-modes.def: New file.
230 * config/tilepro/tilepro-multiply.h: New file.
231 * config/tilepro/tilepro-protos.h: New file.
232 * config/tilepro/tilepro.c: New file.
233 * config/tilepro/tilepro.h: New file.
234 * config/tilepro/tilepro.md: New file.
235 * config/tilepro/tilepro.opt: New file.
237 2012-02-14 Jakub Jelinek <jakub@redhat.com>
239 PR tree-optimization/52210
240 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
241 vect_model_simple_cost with two entry vect_def_type array instead
244 2012-02-14 Richard Guenther <rguenther@suse.de>
247 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
248 Do not stream DECL_QUALIFIER.
249 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
250 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
251 (find_decls_types_r): Do not walk DECL_QUALIFIER.
253 2012-02-14 Jakub Jelinek <jakub@redhat.com>
256 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
259 2012-02-13 Jakub Jelinek <jakub@redhat.com>
262 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
263 * cselib.c (cselib_subst_to_values_from_insn): New function.
264 * sched-deps.c (add_insn_mem_dependence,
265 sched_analyze_1, sched_analyze_2): Use it.
267 2012-02-13 Jan Hubicka <jh@suse.cz>
270 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
272 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
274 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
275 (GTM_SELF_SPECS): Define if not already defined.
276 (driver_self_specs): Add GTM_SELF_SPECS.
277 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
278 (GTM_SELF_SPECS): Define.
279 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
280 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
282 2012-02-13 Jakub Jelinek <jakub@redhat.com>
284 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
287 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is
291 * omp-low.c (expand_omp_for): If a static schedule without
292 chunk size has NULL region->cont, force fd.chunk_size to be
295 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
298 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
300 2012-02-13 Richard Guenther <rguenther@suse.de>
303 * passes.c (enable_disable_pass): Fix typo.
305 2012-02-13 Jakub Jelinek <jakub@redhat.com>
308 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
309 XOR for reduce_bit_field if type is unsigned.
311 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
313 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
314 disallow changes from SFmode to mode with different size in FP regs.
316 2012-02-12 Robert Millan <rmh@gnu.org>
317 Gerald Pfeifer <gerald@pfeifer.com>
319 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
322 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
324 PR rtl-optimization/52175
325 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
326 to frame-related instructions.
328 2012-02-10 Jason Merrill <jason@redhat.com>
331 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
332 (demangle_new_symbols): Fill it.
333 (scan_linker_output): Walk it.
334 (start_tweaking): Split out from scan_linker_output.
335 (maybe_tweak): Update sym->chosen.
336 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
338 2012-02-11 Jakub Jelinek <jakub@redhat.com>
341 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
344 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
346 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
347 having the same mode as previous compare.
349 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
351 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
352 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
353 (nonlocal_goto_internal): Likewise.
354 (nonlocal_goto): Emit a use and an indirect jump directly.
356 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
359 * doc/extend.texi : Update comments for __atomic_compare_exchange and
360 __atomic_{is,always}_lock_free.
362 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
365 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
366 negative constant address for x32.
368 2012-02-10 Richard Henderson <rth@redhat.com>
370 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
371 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
372 for GIMPLE_TRANSACTION. Tidy if's into a switch.
374 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
375 Ira Rosen <irar@il.ibm.com>
377 PR tree-optimization/50031
378 * targhooks.c (default_builtin_vectorization_cost): Handle
380 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
381 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
382 all types of reduction and pattern statements.
383 (vect_estimate_min_profitable_iters): Likewise.
384 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
385 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
386 for explicit realigns.
387 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
388 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
390 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
391 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
392 vec_perm for VSX and handle vec_promote_demote.
394 2012-02-10 Jakub Jelinek <jakub@redhat.com>
397 * builtins.c (fold_builtin_atomic_always_lock_free,
398 expand_builtin_atomic_always_lock_free,
399 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
400 Return and/or test boolean_true_node/boolean_false_node instead of
401 integer_one_node/integer_zero_node.
403 2012-02-10 Jan Hubicka <jh@suse.cz>
406 * predict.c (predict_paths_for_bb): Prevent looping.
407 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
409 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
411 * config/arm/arm.c (output_move_double): In one case properly
412 count number of instructions that will be emitted.
414 2012-02-10 Richard Guenther <rguenther@suse.de>
417 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
419 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
422 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
424 2012-02-09 Jakub Jelinek <jakub@redhat.com>
427 * var-tracking.c (emit_note_insn_var_location): If
428 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
429 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
430 non-NOTE_DURING_CALL_P insn.
432 2012-02-09 Bin Cheng <bin.cheng@arm.com>
435 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
437 2012-02-08 Magnus Granberg <zorry@gentoo.org>
440 * gcc.c (switch_matches) Support switches with separated form,
443 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
445 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
448 * config/avr/avr.c (avr_addr_t): New typedef.
449 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
450 (avr_init_expanders): Initialize it.
451 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
453 (expand_epilogue): Ditto.
454 (avr_print_operand): Ditto.
455 (avr_file_start): Ditto.
456 (avr_emit_movmemhi): Ditto.
458 2012-02-08 Richard Guenther <rguenther@suse.de>
460 PR tree-optimization/46886
461 * tree-flow.h (do_while_loop_p): Declare.
462 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
463 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
465 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
467 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
468 always succeed for integers larger than a native word.
470 2012-02-08 Richard Guenther <rguenther@suse.de>
472 PR rtl-optimization/52170
473 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
474 properly handle integer vector modes.
476 2012-02-08 Jakub Jelinek <jakub@redhat.com>
478 PR gcov-profile/52150
479 * coverage.c: Include target.h.
480 (build_var): Call targetm.strip_name_encoding on the assembler name.
481 Change one _ into . or $ if the target allows it.
482 * Makefile.in (coverage.o): Depend on $(TARGET_H).
484 PR rtl-optimization/52139
485 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
486 is a BARRIER after emit_insn_after_noloc, move BB_END
487 to the last non-BARRIER insn before it.
489 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
492 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
493 (mips_gimplify_va_arg_expr): Call it instead of
494 std_gimplify_va_arg_expr.
496 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
498 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
499 message for -mno-pointers-to-nested-function.
501 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
504 * expr.c (get_inner_reference): If there is an offset, add a negative
505 bit position to it (if any).
507 2012-02-07 Jakub Jelinek <jakub@redhat.com>
509 PR rtl-optimization/52060
510 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
511 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
512 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
513 and/or i0src_copy2 when needed.
515 2012-02-07 Jakub Jelinek <jakub@redhat.com>
517 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
518 or LTOPLUGINSONAME if have_c.
520 * config/freebsd-spec.h: Add comment about what macros can be defined
522 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
523 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
526 2012-02-07 Richard Guenther <rguenther@suse.de>
528 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
529 newline in -alias dumps.
531 2012-02-07 Kai Tietz <ktietz@redhat.com>
532 Dave Korn <dave.korn.cygwin@gmail.com>
535 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
536 Take care that typinfo gets dllexport-attribute.
538 2012-02-07 Jakub Jelinek <jakub@redhat.com>
541 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
542 if modifier < EXPAND_SUM call force_operand on the result.
544 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
546 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
547 adding __forwarder_dst__ prefix if a forwarder_section attribute is
549 (epiphany_function_type): Replace types for specific interrupts with
550 EPIPHANY_FUNCTION_INTERRUPT.
551 (EPIPHANY_INTERRUPT_P): Update.
552 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
554 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
555 <disinterrupt>: Affects type identity.
556 (epiphany_handle_interrupt_attribute): Handle variable number of
558 (epiphany_compute_function_type): Update for new
559 epiphany_function_type definition.
560 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
561 handlers with a longcall forwarder.
562 (epiphany_start_function): Handle multiple interrupt arguments and/or
563 forwarder_section attribute.
565 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
568 2012-02-07 Alan Modra <amodra@gmail.com>
571 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
574 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
576 PR tree-optimization/50969
577 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
578 use vec_perm rather than vector_stmt.
579 (vect_model_load_cost): Likewise.
580 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
581 vec_perm to be the same as other vector statements.
582 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
583 cost of vec_perm for TARGET_VSX.
585 2012-02-06 Richard Guenther <rguenther@suse.de>
587 PR tree-optimization/52115
588 * tree-sra.c (access_has_replacements_p): New function.
589 (sra_modify_assign): Use it to decide whether a use is uninitialized.
591 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
594 * trans-mem.c (expand_call_tm): Add an assertion.
595 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
598 2012-02-06 Richard Guenther <rguenther@suse.de>
600 PR tree-optimization/50955
601 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
602 raise cost of expressions that replace an address with an
603 expression based on a different pointer.
605 2012-02-06 Jakub Jelinek <jakub@redhat.com>
608 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
609 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
611 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
614 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
615 -Weffc++ and specify guidelines come from second edition.
617 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
619 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
620 (sibcall_value_multiple_internal, call_split, call_internal_direct)
621 (call_direct_split, call_value_split, call_value_internal_direct)
622 (call_value_direct_split, call_value_multiple_split): Use jal and
623 jal_macro attributes.
625 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
627 * reload1.c (reload_regs_reach_end_p): Replace with...
628 (reload_reg_rtx_reaches_end_p): ...this function.
629 (new_spill_reg_store): Update commentary.
630 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
631 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
632 before setting new_spill_reg_store.
633 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
634 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
635 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
636 for non-spill reload registers.
638 2012-02-05 Ira Rosen <irar@il.ibm.com>
640 PR tree-optimization/52091
641 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
642 (vect_is_simple_use_1): Likewise.
643 * tree-vect-loop.c (vectorizable_reduction): Update calls
644 to vect_is_simple_use_1 and vect_is_simple_use.
645 (vectorizable_live_operation): Likewise.
646 * tree-vect-patterns.c (widened_name_p,
647 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
648 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
649 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
650 vectorizable_shift,vectorizable_operation, vectorizable_store,
651 vectorizable_load): Likewise.
652 (vect_is_simple_cond): Add an argument, pass it to
653 vect_is_simple_use_1.
654 (vectorizable_condition): Update calls to vect_is_simple_cond,
656 (vect_is_simple_use): Add an argument, the statement in which
657 OPERAND is used. Check that if OPERAND's def stmt is a double
658 reduction phi node, the use is a phi node too.
659 (vect_is_simple_use_1): Add an argument, pass it to
661 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
662 to vect_is_simple_use.
664 2012-02-04 Jakub Jelinek <jakub@redhat.com>
666 PR rtl-optimization/52095
667 * modulo-sched.c (dump_insn_locator): New function.
668 (loop_canon_p, sms_schedule): Use it.
670 PR rtl-optimization/52113
671 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
672 even for decomposable shift/zext insns.
674 2012-02-03 Jakub Jelinek <jakub@redhat.com>
675 Zdenek Dvorak <ook@ucw.cz>
677 PR rtl-optimization/52092
678 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
679 on get_iv_value result.
681 2012-02-02 Andrew Pinski <apinski@cavium.com>
685 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
687 2012-02-02 Jakub Jelinek <jakub@redhat.com>
690 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
692 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
694 PR rtl-optimization/49800
695 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
696 (sched_finish): Call regstat_free_n_sets_and_refs.
698 2012-02-02 Jia Liu <proljc@gmail.com>
700 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
703 2012-02-02 Jan Hubicka <jh@suse.cz>
704 Tom de Vries <tom@codesourcery.com>
707 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
708 * varpool.c (varpool_analyze_pending_decls): Likewise.
710 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
711 Jayant R Sonar <jayant.sonar@kpitcummins.com>
713 * config.gcc: Add cr16-* support.
715 * doc/extend.texi: Document cr16 extensions.
716 * doc/install.texi: Document cr16 install.
717 * doc/invoke.texi: Document cr16 options.
718 * doc/md.texi: Document cr16 constraints.
720 * common/config/cr16/cr16-common.c: New file.
721 * config/cr16/cr16.c: New file.
722 * config/cr16/cr16.h: New file.
723 * config/cr16/cr16.md: New file.
724 * config/cr16/cr16.opt: New file.
725 * config/cr16/cr16-protos.h: New file.
726 * config/cr16/predicates.md: New file.
727 * config/cr16/constraints.md: New file.
728 * config/cr16/t-cr16: New file.
730 2012-02-02 Jakub Jelinek <jakub@redhat.com>
733 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
734 that operands[2] is either immediate, or q_regs_operand.
736 PR tree-optimization/52073
737 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
738 a pattern stmt for pattern uses, ignore uses outside of the loop.
740 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
742 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
743 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
744 (OUT_AS1, OUT_AS2): Remove.
746 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
748 PR rtl-optimization/51374
749 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
750 to cross other volatile_refs_p insns.
752 2012-02-01 Richard Guenther <rguenther@suse.de>
754 * doc/invoke.texi (fno-inline): Clarify documentation.
755 (finline-small-functions): Likewise.
756 (finline-functions): Likewise.
757 * common.opt (finline): Adjust comment and documentation.
758 (finline-small-functions): Clarify documentation.
759 (finline-functions): Likewise.
760 (finline-functions-called-once): Likewise.
762 2012-02-01 Tristan Gingold <gingold@adacore.com>
764 * c-typeck.c (composite_type): Keep mode for pointers.
766 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
768 * function.h (regno_reg_rtx): Adjust comment.
769 * reginfo.c (init_reg_modes_target): Only use the previous mode
770 if it fits within one register. Remove MIPS comment.
772 2012-01-31 Jakub Jelinek <jakub@redhat.com>
775 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
777 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
779 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
782 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
784 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
786 2012-01-31 Jakub Jelinek <jakub@redhat.com>
791 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
793 2012-01-31 Richard Guenther <rguenther@suse.de>
795 PR tree-optimization/51528
796 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
799 2012-01-31 Jakub Jelinek <jakub@redhat.com>
804 * ree.c (add_removable_extension): Change def_map argument
805 to unsigned *, store in def_map 1 + offset into *insn_list vector
806 instead of pointers into the vector.
807 (find_removable_extensions): Adjust caller.
809 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
811 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
812 Transform all "* quoted-c-code" to { c-code }.
813 Remove redundant test for "optimize" in combine patterns.
814 Move (include "avr-dimode.md") to end of file.
816 2012-01-30 Bin Cheng <bin.cheng@arm.com>
819 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
820 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
822 2012-01-30 Richard Guenther <rguenther@suse.de>
824 PR tree-optimization/52028
825 * tree-loop-distribution.c (ldist_gen): Properly update
828 2012-01-30 Jakub Jelinek <jakub@redhat.com>
831 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
832 set_cur_line_info_table if not emitting debug info.
834 PR tree-optimization/52046
835 * tree-vect-patterns.c (check_bool_pattern): Give up if
836 a comparison could throw.
839 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
841 2012-01-30 Richard Guenther <rguenther@suse.de>
843 PR tree-optimization/52045
844 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
845 SSA form if cfgcleanup did anything.
847 2012-01-30 Richard Guenther <rguenther@suse.de>
849 PR tree-optimization/52045
850 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
851 before computing final todo.
853 2012-01-30 Richard Guenther <rguenther@suse.de>
855 PR tree-optimization/51528
856 * tree-sra.c (sra_modify_assign): Re-factor in preparation
859 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
861 * df-problems.c (df_kill_notes): Check that the use refers
862 to the note under examination.
864 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
867 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
868 parameter and use short-lived pseudos.
869 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
870 (sparc_expand_vector_init): Const-ify local variables and adjust
871 calls to above functions.
873 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
875 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
877 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
879 * doc/invoke.texi: Make usage of "compile time" and
880 "run time"/"runtime" consistent throughout the file.
882 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
884 * config/alpha/alpha.c (alpha_option_override): Default to
885 full IEEE compliance mode for Go language.
887 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
889 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
890 (LINK_SSP_SPEC): Define.
892 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
895 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
898 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
900 * doc/invoke.texi: Correct hyphenation of "floating point",
901 "double precision", and related terminology throughout the file.
903 2012-01-28 Jakub Jelinek <jakub@redhat.com>
906 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
907 arm_general_register_operand predicate for operand 2 instead of
910 2012-01-27 Ian Lance Taylor <iant@google.com>
913 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
914 * builtins.c (expand_builtin_init_trampoline): Add onstack
915 parameter. Change caller.
916 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
917 * tree.c (build_common_builtin_nodes): Declare
918 __builtin_init_heap_trampoline.
920 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
922 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
923 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
924 * config/avr/avr.c: Ditto.
925 (avr_regnames): Remove because unused.
926 * config/avr/avr.md (*cpse.ne): New peephole.
927 (*cpse.eq): New peephole from former cpse peepholes.
929 2012-01-27 Michael Eager <eager@eagercon.com>
931 * config/microblaze.c (microblaze_emit_compare): Correct
932 test after pcmp instruction.
934 2012-01-27 Richard Guenther <rguenther@suse.de>
936 PR tree-optimization/52020
937 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
939 2012-01-27 Richard Guenther <rguenther@suse.de>
941 * ipa-pure-const.c (check_stmt): Clobbers do not make a
942 function non-const/pure.
944 2012-01-27 Richard Guenther <rguenther@suse.de>
946 PR tree-optimization/50444
947 * tree-sra.c (build_ref_for_offset): Properly adjust the
948 MEM_REF type for unaligned accesses.
950 2012-01-27 Richard Guenther <rguenther@suse.de>
952 PR tree-optimization/50444
953 * expr.c (mem_ref_refers_to_non_mem_p): New function.
954 (expand_assignment): Use it. Properly handle misaligned
955 bases when expanding stores to component references.
956 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
959 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
962 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
963 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
964 * tree-data-ref.c (find_data_references_in_loop): Make static.
965 (compute_all_dependences): Change return type to bool. Bail out
966 for too many datarefs in a loop. Move the hunk resetting the data
967 dependences vector from ...
968 (compute_data_dependences_for_loop): ... here. Account for
969 compute_all_dependences returning false.
970 (compute_data_dependences_for_bb): Likewise.
971 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
972 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
974 2012-01-27 Richard Guenther <rguenther@suse.de>
977 * expr.c (store_field): Use the alias-set of the scratch memory
980 2012-01-27 Tom de Vries <tom@codesourcery.com>
982 PR tree-optimization/51990
983 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
985 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
987 2012-01-27 Jakub Jelinek <jakub@redhat.com>
990 * var-tracking.c (reverse_op): Don't add any reverse operation
991 if V already has any constant locations.
993 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
995 * doc/invoke.texi: Correct usage of "command line" (noun)
996 vs "command-line" (adjective) throughout.
998 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1000 * doc/invoke.texi (Language Independent Options): Move
1001 -Wcoverage-mismatch blurb from here....
1002 (Warning Options): ...to here.
1004 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
1006 * config/rs6000/rs6000.c (rs6000_option_override_internal):
1007 Set rs6000_always_hint to false for 476.
1009 2012-01-27 Matthias Klose <doko@ubuntu.com>
1011 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1013 * incpath.c (add_standard_paths): Likewise.
1015 2012-01-27 Richard Henderson <rth@redhat.com>
1017 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1018 * config/m68k/sync.md (atomic_test_and_set): Rename from
1019 sync_test_and_setqi and adjust the operands.
1020 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1021 and unconditionally enable.
1023 2012-01-27 Richard Henderson <rth@redhat.com>
1025 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1026 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1027 (ldstub): Rename from ldstubqi.
1028 (ldstub<I24MODE>): Remove.
1030 2012-01-27 Richard Henderson <rth@redhat.com>
1032 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1033 * c-cppbuiltin.c (cpp_atomic_builtins): Define
1034 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1035 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1036 * doc/tm.texi: Rebuild.
1038 2012-01-27 Richard Henderson <rth@redhat.com>
1040 * optabs.c (gen_atomic_test_and_set): Remove default.
1041 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1043 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1045 PR rtl-optimization/51978
1046 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1047 (combine_reaching_defs): Likewise.
1048 (struct re_info): Remove.
1049 (add_removable_extension): Remove x and data arguments,
1050 add insn, insn_list and def_map. Use the arguments directly
1051 instead of using struct re_info.
1052 (find_removable_extensions): Don't call add_removable_extension
1053 through note_stores, instead just call it with single_set
1055 (find_and_remove_re): Pass curr_cand->expr instead of
1056 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1058 2012-01-26 Michael Matz <matz@suse.de>
1060 PR tree-optimization/46590
1061 * cfgexpand.c: Revert last change (r183305).
1062 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1064 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1065 checking for emptiness.
1067 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1070 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1071 non-addressable non-BLKmode base correctly.
1073 2012-01-26 Michael Matz <matz@suse.de>
1075 PR tree-optimization/48794
1076 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1077 regions referenced from RESX/EH_DISPATCH.
1079 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1081 * config/s390/s390.h: Make BRANCH_COST an option.
1082 * config/s390/s390.opt: New option -mbranch-cost.
1084 2012-01-26 Richard Henderson <rth@redhat.com>
1086 Revert 2012-01-24 change:
1087 * trans-mem.c (requires_barrier): Do not instrument thread local
1088 variables and emit save/restore for them.
1090 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1093 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1096 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
1098 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1101 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
1104 Rename __pgm to __flash.
1105 Rename __pgm1 to __flash1.
1106 Rename __pgm2 to __flash2.
1107 Rename __pgm3 to __flash3.
1108 Rename __pgm4 to __flash4.
1109 Rename __pgm5 to __flash5.
1110 Rename __pgmx to __memx.
1111 * doc/extend.texi (AVR Named Address Spaces)
1112 Rename address space names as indicated above.
1113 * config/avr/avr.c (avr_addrspace): Ditto.
1115 * config/avr/avr-protos.h
1116 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1117 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1118 * config/avr/predicates.md: Ditto.
1119 * config/avr/avr.c Ditto, and
1120 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1121 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1123 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1124 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1125 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1126 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1127 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1128 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1129 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1130 * config/avr/avr.c: Ditto.
1131 * config/avr/avr.md: Ditto.
1133 2012-01-25 Jason Merrill <jason@redhat.com>
1136 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1138 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1140 PR tree-optimization/51987
1141 * tree-data-ref.c (get_references_in_stmt): Handle references in
1142 non-volatile GIMPLE_ASM.
1144 2012-01-25 Richard Guenther <rguenther@suse.de>
1146 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1147 bases are dereferenced.
1149 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1151 PR rtl-optimization/48374
1152 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1154 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1156 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1157 compute_data_dependences_for_loop returns false.
1158 * tree-parloops.c (loop_parallel_p): Likewise.
1160 2012-01-25 Richard Guenther <rguenther@suse.de>
1162 * tree.h (get_pointer_alignment_1): Declare.
1163 * builtins.c (get_pointer_alignment_1): New function.
1164 (get_pointer_alignment): Use it.
1166 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1168 PR rtl-optimization/48308
1169 * combine.c (enum undo_kind): Add UNDO_LINKS.
1170 (struct undo): Add member l to other_contents and where.
1171 (do_SUBST_LINK): New.
1173 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1174 (undo_all): Handle UNDO_LINKS.
1176 2012-01-25 Richard Henderson <rth@redhat.com>
1178 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1181 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1183 * optabs.c (gen_atomic_test_and_set): Use each argument.
1185 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1187 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1188 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1189 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1190 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1191 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1192 TARGET_PAIRED_SINGLE_FLOAT.
1194 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1196 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1197 (in_struct, return_val): Remove MEM documentation.
1198 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1199 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1200 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1202 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1203 * cfgexpand.c (add_alias_set_conflicts): Likewise.
1204 * expr.c (store_field): Likewise.
1205 * function.c (assign_stack_temp_for_type): Likewise.
1206 * ifcvt.c (noce_try_cmove_arith): Likewise.
1207 * reload1.c (reload): Likewise.
1208 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1209 (alpha_set_memflags): Likewise.
1210 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1212 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1214 * rtl.h (true_dependence, canon_true_dependence): Remove varies
1216 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1217 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1218 (true_dependence_1, true_dependence, canon_true_dependence): Remove
1220 * cselib.c (cselib_rtx_varies_p): Delete.
1221 (cselib_invalidate_mem): Update call to canon_true_dependence.
1222 * dse.c (record_store, check_mem_read_rtx): Likewise.
1223 (scan_reads_nospill): Likewise.
1224 * cse.c (check_dependence): Likewise.
1225 (cse_rtx_varies_p): Delete.
1226 * expr.c (safe_from_p): Update call to true_dependence.
1227 * ira.c (validate_equiv_mem_from_store): Likewise.
1228 (memref_referenced_p): Likewise.
1229 * postreload-gcse.c (find_mem_conflicts): Likewise.
1230 * sched-deps.c (sched_analyze_2): Likewise.
1231 * store-motion.c (load_kills_store): Likewise.
1232 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1233 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1234 (compute_transp): Update call to canon_true_dependence.
1236 2012-01-25 Richard Henderson <rth@redhat.com>
1238 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1239 (maybe_emit_atomic_test_and_set): New.
1240 (expand_sync_lock_test_and_set): Use it.
1241 (expand_atomic_test_and_set): Likewise.
1242 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1243 the implementation; clarify implementation defined details.
1244 * doc/md.texi (atomic_test_and_set): Document.
1246 2012-01-25 Richard Henderson <rth@redhat.com>
1248 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1250 2012-01-25 Richard Henderson <rth@redhat.com>
1253 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1254 to effect no-op split.
1256 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1259 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1260 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1261 (BT_FN_VOID_PTR_INT_SIZE): New.
1262 (BT_FN_UINT_UINT_VAR): Remove.
1263 (BT_FN_UINT32_UINT32_VAR): New.
1264 (BT_FN_DOUBLE_VPTR): Remove.
1265 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1267 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1268 (_ITM_changeTransactionMode): Same.
1269 (_ITM_memmoveRtWt): Change return type to void.
1270 (_ITM_memcpyRtWt): Same.
1271 (_ITM_memsetW): Same.
1272 (_ITM_RaRD): Change types to double.
1277 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1279 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1280 Patrick Marlier <patrick.marlier@gmail.com>
1282 * trans-mem.c (requires_barrier): Do not instrument thread local
1283 variables and emit save/restore for them.
1285 2012-01-24 Jason Merrill <jason@redhat.com>
1288 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1289 output static aliases.
1291 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1294 * common.opt (-pie, -shared, pie, shared): Change from Common to
1296 * gcc.c (display_help): Display help for -pie and -shared.
1298 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1301 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1302 Remove note on size/offset limitation.
1303 (AVR Variable Attributes): Add example how to read data located
1304 with progmem. Refer to named address spaces.
1305 * doc/invoke.texi (AVR Options): Fix typo.
1307 2012-01-24 Richard Guenther <rguenther@suse.de>
1309 Forward-port to trunk
1310 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1313 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1314 op0 isn't sufficiently aligned and there is movmisalignM
1315 insn for mode, use it to load op0 into a temporary register.
1317 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1320 * target.def (const_not_ok_for_debug_p): New hook.
1321 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1323 * doc/tm.texi: Regenerated.
1324 * dwarf2out.c (const_ok_for_output_1): If
1325 targetm.const_not_ok_for_debug_p returns true, fail.
1326 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1328 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1330 2012-01-23 Kai Tietz <ktietz@redhat.com>
1333 * config/i386/predicates.md (symbolic_operand): Allow
1334 UNSPEC_PCREL as PIC expression for lea.
1335 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1336 * config/i386/i386.c (ix86_delegitimize_address): Handle
1337 UNSPEC_PCREL for none-MEM, too.
1339 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1341 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1342 (ipa_tm_create_version_alias): Same.
1344 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1347 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1348 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1350 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1351 Patrick Marlier <patrick.marlier@gmail.com>
1352 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1355 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1356 simple_object_start_read.
1358 2012-01-23 Richard Guenther <rguenther@suse.de>
1361 PR tree-optimization/51895
1362 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1363 parameter decomposition into BLKmode components.
1365 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1367 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1368 fake variables for restrict-qualified pointers whose pointed-to type
1369 contains a placeholder.
1371 2012-01-23 Richard Guenther <rguenther@suse.de>
1373 PR tree-optimization/51949
1374 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1376 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1378 PR rtl-optimization/51933
1379 * ree.c (transform_ifelse): Return true right away if dstreg is
1380 already wider or equal to cand->mode.
1381 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1382 (make_defs_and_copies_lists): Remove defs_list and copies_list
1383 arguments, add state argument, just truncate state->work_list
1384 instead of always allocating and freeing the vector. Assert that
1385 get_defs succeeds instead of returning 2. Changed return type to bool.
1386 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1387 have ext_src_mode, see if it has been modified already with the
1388 right kind of extension and has been extended before from the
1389 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1390 just return true. Remember the original mode in state->modified array.
1391 (combine_reaching_defs): Add state argument. Don't allocate and
1392 free here def_list, copied_list and vec vectors, instead just
1393 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1394 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1395 Add state variable, clear vectors in it, initialize state.modified
1396 if needed. Free all the vectors at the end and state.modified too.
1397 Don't skip a candidate if the extension expression has been modified.
1399 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1402 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1403 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1404 (extra_options) interix.opt -> i386/interix.opt"
1405 (extra_objs):Add winnt-stubs.o
1406 * configure.ac: Add interix to target_os .comm on PE check.
1407 * configure: Regenerate.
1408 * config/interix3.h: Delete and move bits to..
1409 * config/interix.h: Delete and move bits to..
1410 * config/i386/i386-interix3.h: Delete and move bits to..
1411 * config/i386/i386-interix.h: ..here.
1412 (TARGET_CPU_DEFAULT): Remove redefinition.
1413 (TARGET_ASM_CONSTRUCTOR): Undefine.
1414 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1415 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1416 (PTRDIFF_TYPE): Define.
1417 (LONG_DOUBLE_TYPE_SIZE): Define.
1418 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1419 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1420 (TARGET_SECTION_TYPE_FLAGS): Define.
1421 (ASM_DECLARE_FUNCTION_NAME): Define.
1422 (ASM_OUTPUT_EXTERNAL): Define.
1423 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1424 (ASM_OUTPUT_ALIGNED_BSS): Define.
1425 (PCC_BITFIELD_TYPE_MATTERS): Define.
1426 (USE_CONST_SECTION): Define.
1427 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1428 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1429 (SUPPORTS_ONE_ONLY): Remove.
1430 (I386_PE_STRIP_ENCODING): Define.
1431 * config/interix.opt: Delete and move bits to..
1432 * config/i386/interix.opt: ..here. New.
1433 (mpe-aligned-commons): Add.
1434 * config/i386/t-interix: Add copyright header.
1435 (winnt-stubs.o): Add rule.
1437 2012-01-22 Jason Merrill <jason@redhat.com>
1440 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1441 for extra name aliases.
1443 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1445 PR rtl-optimization/51924
1446 * ree.c (combine_set_extension): Improve debugging message.
1447 (combine_reaching_defs): Likewise.
1448 (get_defs): Rename confusingly named variable.
1449 (find_and_remove_re): Skip a candidate if the extension expression has
1452 2012-01-21 Robert Millan <rmh@gnu.org>
1453 Gerald Pfeifer <gerald@pfeifer.com>
1455 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1456 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1458 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1460 PR tree-optimization/51914
1461 * tree-vect-stmts.c (vectorizable_conversion): For
1462 cvt_type && modifier == WIDEN, put temporary with cvt_type
1463 at the beginning of vec_dsts and set vec_dest to temporary
1466 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1468 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1470 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1472 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1473 * config/rs6000/rs6000.c: Likewise.
1475 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1478 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1479 output_move_double on a copy of operands array.
1481 2012-01-20 Cary Coutant <ccoutant@google.com>
1482 Dodji Seketeli <dodji@redhat.com>
1485 * dwarf2out.c (copy_declaration_context): Return ref to parent
1486 of declaration DIE, if necessary.
1487 (remove_child_or_replace_with_skeleton): Add new parameter; update
1488 caller. Place skeleton DIE under parent DIE of original declaration.
1489 Move call to copy_declaration_context to here ...
1490 (break_out_comdat_types): ... from here.
1492 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1494 PR rtl-optimization/51856
1495 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1498 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1501 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1502 hints for neon loads and stores.
1504 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1508 * doc/extend.texi (Named Address Spaces): Split into subsections.
1509 (AVR Named Address Spaces): New subsection.
1510 (M32C Named Address Spaces): New subsection.
1511 (RL78 Named Address Spaces): New subsection.
1512 (SPU Named Address Spaces): New subsection.
1513 (Variable Attributes): New anchor "AVR Variable Attributes".
1514 (AVR Variable Attributes): Rewrite and avoid wording
1515 "address space" in this context.
1516 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1517 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1518 (AVR Built-in Macros): New subsubsection therein.
1519 * doc/md.texi (AVR constraints): Remove "C04", "R".
1521 2012-01-20 Richard Guenther <rguenther@suse.de>
1523 PR tree-optimization/51903
1524 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1525 when removing stmts.
1527 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1530 * config/arm/arm.c (arm_load_pic_register): Use
1531 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1532 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1533 (arm_pic_static_addr): Likewise.
1534 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1535 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1536 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1537 (pic_load_addr_unified): New.
1539 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1542 * function.c (instantiate_virtual_regs_in_insn): Use
1543 delete_insn_and_edges when removing a wrong asm insn.
1545 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1547 PR rtl-optimization/40761
1548 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1549 Add new member loop_num.
1550 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1551 (ira_build): Remove the parameter.
1553 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1554 (ira.c): Do not build CFG loops for one region allocation. Remove
1555 argument from ira_build call.
1557 * ira-build.c (init_loop_tree_node): New function.
1558 (create_loop_tree_nodes): Use it. Separate the case when CFG
1559 loops are not built.
1560 (more_one_region_p): Check current_loops.
1561 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1563 (add_loop_to_tree): Process loop equal to NULL too.
1564 (form_loop_tree): Separate the case when CFG loops are not built.
1565 Use explicitly number for the root.
1566 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1568 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1569 instead of loop->num.
1570 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1571 (mark_all_loops_for_removal): Ditto.
1572 (remove_unnecessary_regions): Separate the case when CFG loops
1574 (ira_build): Remove the parameter. Use explicit number of regions
1575 when CFG loops are not built.
1577 * ira-color.c (print_loop_title): Separate the case for the root node.
1578 Use loop_num instead of loop->num.
1579 (move_spill_restore): Use loop_num instead of loop->num.
1581 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1582 (change_loop): Ditto.
1583 (change_loop): Use loop_num instead of loop->num.
1585 * ira-lives.c (process_bb_node_lives): Ditto.
1587 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1589 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1591 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1594 * tree-mudflap.c (mf_artificial): New function.
1595 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1596 mx_register_decls, mudflap_enqueue_decl): Use it.
1599 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1600 numbers in the insn pattern.
1602 2012-01-19 Michael Matz <matz@suse.de>
1604 PR tree-optimization/46590
1605 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1606 use it in remembering which conflicts we already created.
1607 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1610 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1613 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1614 (merge_and_complain): Same.
1616 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1619 * config/initfini-array.h: Guard content of the header
1620 with #ifdef HAVE_INITFINI_ARRAY.
1621 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1622 Add initfini-array.h to tm_file here.
1623 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1624 * config.gcc: Don't add initfini-array.h to tm_file here.
1625 * configure: Regenerated.
1627 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1629 PR rtl-optimization/51505
1630 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1631 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1632 (df_note_bb_compute): Update the call to df_kill_notes.
1634 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1636 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1638 2012-01-18 Richard Guenther <rguenther@suse.de>
1640 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1641 of conversions to void *.
1643 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1644 Richard Sandiford <rdsandiford@googlemail.com>
1648 * optabs.h (simplify_expand_binop): Declare.
1649 * optabs.c (simplify_expand_binop): Make global.
1650 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1651 endian targets if the source cannot be exactly covered by word
1654 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1657 * hard-reg-set.h (struct hard_reg_set_container): New type.
1658 * target.h (struct hard_reg_set_container): Forward declare.
1659 * target.def (set_up_by_prologue): New target hook.
1660 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1661 * doc/tm.texi: Regenerated.
1662 * function.c (thread_prologue_and_epilogue_insns): Change
1663 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1664 Call targetm.set_up_by_prologue on it.
1665 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1666 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1668 2012-01-17 Nick Clifton <nickc@redhat.com>
1670 * config/rx/rx.c (rx_can_use_simple_return): New function.
1671 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1672 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1674 2012-01-17 Richard Guenther <rguenther@suse.de>
1677 * expr.c (expand_assignment): Take address-space information
1678 from the address operand of MEM_REF and TARGET_MEM_REF.
1679 (expand_expr_real_1): Likewise.
1681 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1683 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1684 reload dump is requested.
1686 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1689 * trans-mem.c (requires_barrier): Call may_be_aliased.
1691 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1693 PR tree-optimization/51877
1694 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1695 call arguments and fndecls compare equal, instead return false if they
1696 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1697 both SSA_NAMEs that are valueized the same, or they satisfy
1700 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1702 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1704 * configure: Regenerate.
1706 2012-01-16 Jan Hubicka <jh@suse.cz>
1710 * convert.c (convert_to_integer): Use fold_convert for
1711 converting an INTEGER_CST to integer type.
1713 2012-01-16 Jason Merrill <jason@redhat.com>
1716 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1718 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1721 * config/s390/s390.c (s390_chunkify_start): Don't skip
1722 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1723 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1724 If insn is followed by NOTE_INSN_VAR_LOCATION or
1725 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1726 Don't use location of note insns.
1728 PR tree-optimization/51865
1729 * tree-inline.c (tree_function_versioning): Call remap_decl
1730 on DECL_RESULT whenever it has VOID_TYPE_P type.
1732 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1734 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1735 for calls to locally-binding MIPS16 functions if only the return
1736 type uses float regs.
1738 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1739 Richard Sandiford <rdsandiford@googlemail.com>
1741 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1742 (SYMBOL_32_HIGH): Likewise.
1743 (mips_output_tls_reloc_directive): Declare.
1744 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1745 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1746 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1747 (mips_lo_relocs, mips_hi_relocs): Make extern.
1748 (mips16_stub_function): Move up file.
1749 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1750 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1751 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1752 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1753 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1754 (mips_get_tp): Add MIPS16 support.
1755 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1756 Generalize DTPREL and TPREL handling.
1757 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1758 Add MIPS16 TLS support.
1759 (mips_output_tls_reloc_directive): New function.
1760 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1761 * config/mips/predicates.md (symbolic_operand_with_high)
1762 (tls_reloc_operand): New predicates.
1763 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1764 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1765 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1766 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1767 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1768 (*tls_get_tp_mips16_call_<mode>): Likewise.
1770 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1772 PR rtl-optimization/51821
1773 * recog.c (peep2_find_free_register): Determine clobbered registers
1776 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1779 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1780 * config/avr/avr.c: Likewise.
1781 * config/avr/avr.h: Likewise.
1783 2012-01-13 Ian Lance Taylor <iant@google.com>
1786 * tree.h (TYPE_QUALS): Add cast to int.
1787 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1789 2012-01-13 Ian Lance Taylor <iant@google.com>
1791 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1792 comparing param_index to VEC_length result.
1794 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1796 * c-decl.c: Do not include tree-mudflap.h
1797 * tree-optimize.c: Likewise.
1798 * Makefile.in: Update dependencies.
1800 2012-01-13 Richard Guenther <rguenther@suse.de>
1803 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1804 variable-sized result always use RSO.
1806 2012-01-12 DJ Delorie <dj@redhat.com>
1808 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1809 pointer type, not just the default pointer type.
1811 2012-01-09 Richard Henderson <rth@redhat.com>
1812 Denis Chertykov <chertykov@gmail.com>
1815 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1816 * config/avr/avr.c (avr_can_eliminate): Simplify.
1817 (avr_initial_elimination_offset): Likewise.
1818 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1819 (expand_epilogue): Likewise.
1820 (avr_legitimize_address): Gut.
1821 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1822 (avr_hard_regno_nregs): New.
1823 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1824 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1825 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1826 add soft frame pointer.
1827 (CALL_USED_REGISTERS): Likewise.
1828 (REG_CLASS_CONTENTS): Likewise.
1829 (REGISTER_NAMES): Likewise.
1830 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1831 (HARD_FRAME_POINTER_REGNUM): New.
1832 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1833 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1834 remove the HARD_FRAME_POINTER self-elimination.
1836 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1839 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1840 DECL_EXTERNAL when checking for initializers of progmem variables.
1842 2012-01-12 Ira Rosen <irar@il.ibm.com>
1844 PR tree-optimization/51799
1845 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1846 that the last operation is a type demotion.
1848 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1850 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1851 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1853 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1856 * combine.c (distribute_notes): If i3 is a noreturn call,
1857 allow old_size to be equal to args_size and make sure the
1858 noreturn call gets REG_ARGS_SIZE note.
1859 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1860 on noreturn calls even when the delta is 0.
1862 2012-01-11 Nathan Sidwell <nathan@acm.org>
1864 * gcov.c (STRING_SIZE): Remove.
1865 (generate_results): Erase annotations for source files with no
1866 coverage information.
1868 (output_lines): Use it.
1870 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1872 * gimple.h (gimplify_body): Remove first argument.
1873 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1874 pointer set here, instead just pass DATA to walk_tree.
1875 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1876 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1877 (unvisit_body): Likewise, but with unmark_visited.
1878 (gimplify_body): Remove BODY_P argument and adjust.
1879 (gimplify_function_tree): Adjust call to gimplify_body.
1880 * omp-low.c (finalize_task_copyfn): Likewise.
1882 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1884 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1885 (build_function_type_skip_args): Delete.
1886 * tree.c (build_function_type_skip_args): Make static and add
1887 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1888 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1889 pass it to build_function_type_skip_args.
1890 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1891 (tree_function_versioning): Likewise.
1892 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1893 build_function_decl_skip_args.
1894 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1895 and pass it to build_function_decl_skip_args/tree_function_versioning.
1896 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1897 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1898 * trans-mem.c (ipa_tm_create_version): Likewise.
1899 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1900 * tree-inline.c (declare_return_variable): Remove always-true test.
1901 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1902 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1903 * ipa-split.c (split_function): Skip the return value for the split
1904 part if it doesn't return.
1906 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1908 PR tree-optimization/49642
1909 * ipa-split.c (forbidden_dominators): New variable.
1910 (check_forbidden_calls): New function.
1911 (dominated_by_forbidden): Likewise.
1912 (consider_split): Check for forbidden dominators.
1913 (execute_split_functions): Initialize and free forbidden
1914 dominators info; call check_forbidden_calls.
1916 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1918 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1920 2012-01-11 Nick Clifton <nickc@redhat.com>
1922 * config/rx/rx.md (return): Define pattern.
1924 2012-01-11 Richard Guenther <rguenther@suse.de>
1926 * doc/extend.texi (malloc attribute): Adjust according to
1929 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1930 Patrick Marlier <patrick.marlier@gmail.com>
1933 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1934 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1935 (ipa_tm_note_irrevocable): Same.
1936 (ipa_tm_scan_irr_block): Same.
1937 (ipa_tm_decrement_clone_counts): Same.
1938 (ipa_tm_scan_irr_function): Same.
1939 (ipa_tm_create_version_alias): Same.
1940 (ipa_tm_create_version): Same.
1941 (ipa_tm_transform_calls_redirect): Same.
1942 (ipa_tm_transform_calls): Same.
1943 (ipa_tm_transform_transaction): Same.
1944 (ipa_tm_execute): Same.
1946 2012-01-10 Richard Guenther <rguenther@suse.de>
1949 * opts.c (common_handle_option): Handle -Werror.
1951 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1953 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1956 2012-01-10 Jason Merrill <jason@redhat.com>
1958 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1961 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1963 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1964 supports R_386_TLS_GD_PLT reloc.
1965 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1966 supports R_386_TLS_LDM_PLT reloc.
1967 * configure: Regenerate.
1968 * config.in: Regenerate.
1970 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1973 Extend __pgmx semantics to linearize memory.
1974 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1975 determine if code comes inline or from libgcc.
1976 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1977 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1978 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1979 (movmemx_qi, movmemx_hi): New insns.
1980 (xload_<mode>_libgcc): Rewrite to new insn condition.
1981 (xload_<mode>): Remove insns.
1982 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1983 cases that don't satisfy avr_xload_libgcc_p().
1984 (avr_addr_space_convert): Allow converting in any direction.
1985 (avr_addr_space_subset_p): Return always true.
1986 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1987 (avr_emit_movmemhi): Ditto.
1988 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1989 (avr_out_movmem): Ditto.
1990 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1991 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1992 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1993 (avr_encode_section_info): Encode 'progmem' in symbol flags.
1994 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1996 2012-01-10 Richard Guenther <rguenther@suse.de>
1998 PR tree-optimization/50913
1999 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2000 Require data-refs to be representable by Graphite with respect
2003 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
2005 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2006 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2008 2012-01-10 Tom de Vries <tom@codesourcery.com>
2010 PR rtl-optimization/51271
2011 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2012 handling annulled branch.
2014 2012-01-10 Richard Henderson <rth@redhat.com>
2016 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2017 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2018 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2019 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2020 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2021 arm_expand_vec_perm_const): New.
2022 * config/arm/arm-protos.h: Update.
2023 * config/arm/neon.md (UNSPEC_VCONCAT): New.
2024 (*neon_vswp<VDQX>): New.
2025 (neon_vcombine<VDX>): Use neon_split_vcombine.
2026 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2027 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2028 (vec_perm<VE>): New.
2030 2012-01-10 Richard Henderson <rth@redhat.com>
2032 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2033 use it if reload_completed.
2034 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2035 arm_output_asm_insn, arm_process_output_memory_barrier,
2036 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2037 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2038 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2039 arm_process_output_sync_insn, arm_output_sync_insn,
2040 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2041 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2042 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2043 (emit_unlikely_jump): New.
2044 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2045 (arm_split_atomic_op): New.
2046 * config/arm/arm-protos.h: Update.
2047 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2048 (struct arm_sync_generator): Remove.
2049 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2050 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2051 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2052 (VUNSPEC_LL, VUNSPEC_SC): New.
2053 (sync_result, sync_memory, sync_required_value, sync_new_value,
2054 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2055 (attr length): Don't use arm_sync_loop_insns.
2056 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2057 (movsfcc, movdfcc): Likewise.
2058 * config/arm/constraints.md (Ua): New.
2059 * config/arm/prediates.md (mem_noofs_operand): New.
2060 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2061 (sync_clobber, sync_t2_reqd): Remove.
2062 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2063 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2064 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2065 (arm_sync_compare_and_swap<SIDI>): Remove.
2066 (arm_sync_compare_and_swap<NARROW>): Remove.
2067 (arm_sync_lock_test_and_set<SIDI>): Remove.
2068 (arm_sync_lock_test_and_set<NARROW>): Remove.
2069 (arm_sync_new_<syncop><SIDI>): Remove.
2070 (arm_sync_new_<syncop><NARROW>): Remove.
2071 (arm_sync_new_nand<SIDI>): Remove.
2072 (arm_sync_new_nand<NARROW>): Remove.
2073 (arm_sync_old_<syncop><SIDI>): Remove.
2074 (arm_sync_old_<syncop><NARROW>): Remove.
2075 (arm_sync_old_nand<SIDI>): Remove.
2076 (arm_sync_old_nand<NARROW>): Remove.
2077 (*memory_barrier): Merge arm_output_memory_barrier.
2078 (atomic_compare_and_swap<QHSD>): New.
2079 (atomic_compare_and_swap<NARROW>_1): New.
2080 (atomic_compare_and_swap<SIDI>_1): New.
2081 (atomic_exchange<QHSD>): New.
2082 (cas_cmp_operand, cas_cmp_str): New.
2083 (atomic_op_operand, atomic_op_str): New.
2084 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2085 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2086 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2087 (arm_load_exclusive<NARROW>): New.
2088 (arm_load_exclusivesi, arm_load_exclusivedi): New.
2089 (arm_store_exclusive<QHSD>): New.
2091 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2093 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2094 reload patterns if -mvsx-scalar-memory.
2096 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2097 generated, even -mno-vsx-scalar-double was used.
2098 (vsx_xscvdpsp_scalar): Likewise.
2099 (vsx_xscvspdp_scalar2): Likewise.
2101 2012-01-09 Tom de Vries <tom@codesourcery.com>
2102 Andrew Pinski <apinski@cavium.com>
2105 * reorg.c (fill_slots_from_thread): Don't speculate
2106 frame-related insns.
2108 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
2110 * sched-int.h (bb_note): Move to...
2111 * basic-block.h: ...here.
2112 * haifa-sched.c (bb_note): Move to...
2113 * cfgrtl.c: ...here.
2114 * function.c (next_block_for_reg): New function.
2115 (move_insn_for_shrink_wrap): Likewise.
2116 (prepare_shrink_wrap): Rewrite to use the above.
2118 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
2120 * gimple.c (is_gimple_non_addressable): Remove.
2121 * gimple.h: Remove is_gimple_non_addressable.
2122 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2123 is_gimple_non_addressable.
2124 * trans-mem.c (expand_assign_tm): Same.
2126 2012-01-09 Richard Guenther <rguenther@suse.de>
2128 PR tree-optimization/51775
2129 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2130 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2132 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2134 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2136 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2138 2012-01-09 Richard Guenther <rguenther@suse.de>
2140 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2142 2012-01-08 Jan Hubicka <jh@suse.cz>
2144 PR tree-optimize/51680
2145 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2146 on when known_vals needs to be computed; cleanup.
2148 2012-01-08 Jan Hubicka <jh@suse.cz>
2150 PR tree-optimize/51694
2151 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2153 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
2155 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2156 for -std=c++98 and -std=c++11 too.
2158 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
2160 * cfgloop.c (cancel_loop): Add free() of bbs array.
2162 2012-01-07 Jan Hubicka <jh@suse.cz>
2164 PR tree-optimization/51600
2165 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2166 that benefits small functions.
2168 2012-01-07 Jan Hubicka <jh@suse.cz>
2170 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2172 2012-01-07 Jan Hubicka <jh@suse.cz>
2174 PR tree-optimization/51680
2175 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2176 whose inlining reduce unit size.
2178 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2181 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2182 Add canonical node to containing_mem chain after the non-canonical
2183 one, even if there weren't any locs to propagate.
2184 (remove_useless_values): Keep only canonical values.
2185 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2186 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2187 canonicalize mem_chain elements that are not discarded.
2189 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2192 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2193 before emitting functions.
2195 PR gcov-profile/50127
2196 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2197 clear_aux_for_blocks.
2199 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
2202 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2204 2012-01-06 Arnaud Charlet <charlet@adacore.com>
2206 * c-decl.c (ext_block): Moved up.
2207 (collect_all_refs, for_each_global_decl): Take ext_block into account.
2209 2012-01-06 Han Shen <shenhan@google.com>
2211 Translate built-in include paths for sysroot.
2212 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2213 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2215 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2216 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2218 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2219 control whether sysroot should be prepended to gxx include dir.
2221 * configure: Regenerate.
2223 2012-01-06 Torvald Riegel <triegel@redhat.com>
2225 PR rtl-optimization/51771
2226 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2227 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2229 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2231 PR tree-optimization/51315
2232 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2233 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2235 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
2238 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2239 for shrp pattern. Correctly handle and fixup shift variable.
2240 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2242 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2245 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2246 note when !ACCUMULATE_OUTGOING_ARGS.
2248 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2250 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2252 (extract_range_from_unary_expr_1): Avoid useless computations.
2254 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2256 PR rtl-optimization/51767
2257 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2258 of jump_block and add an extra edge for degenerated asm gotos.
2261 * stmt.c (check_unique_operand_names): Don't ICE during error
2262 reporting if i is from labels chain.
2265 * profile.c (branch_prob): Split bbs that have exit edge
2266 and need a fake entry edge too.
2268 2012-01-05 Jan Hubicka <jh@suse.cz>
2271 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2274 2012-01-05 Richard Guenther <rguenther@suse.de>
2277 * tree-streamer-out.c (write_ts_optimization): New function.
2278 (streamer_write_tree_body): Call it.
2279 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2280 (streamer_read_tree_body): Call it.
2281 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2283 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2286 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2287 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2288 in_cleanup_point_expr before gimplify_stmt call and restore it
2290 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2291 in_cleanup_point_expr is false.
2293 2012-01-05 Richard Guenther <rguenther@suse.de>
2296 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2298 * toplev.c (process_options): Reject combining mudflap and LTO.
2299 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2301 2012-01-05 Richard Guenther <rguenther@suse.de>
2303 PR tree-optimization/51760
2304 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2306 (bit_value_unop): Handle UNDEFINED operands.
2307 (bit_value_binop): Likewise.
2309 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2311 * config/avr/avr.c (avr_replace_prefix): Remove.
2312 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2313 (avr_asm_function_rodata_section): Ditto.
2314 (avr_asm_select_section): Ditto.
2316 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2318 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2321 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2324 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2325 calls that have any non-fake successor edges.
2328 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2330 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2332 PR tree-optimization/51624
2333 * tree-sra.c (build_ref_for_model): When replicating a chain of
2334 COMPONENT_REFs, stop as soon as the offset would become negative.
2336 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2339 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2340 in .debug_loc on the floor.
2342 2012-01-04 Andrew Pinski <apinski@cavium.com>
2344 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2346 2012-01-04 Andrew Pinski <apinski@cavium.com>
2347 Adam Nemet <anemet@caviumnetworks.com>
2349 * config/mips/mips.md (size): Add SI and DI.
2350 (SIZE): New mode attribute.
2351 (U): New code attribute.
2352 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2353 (mips_lbux_<mode>): Delete.
2354 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2355 (mips_lhx): Use gen_mips_lhx_extsi.
2356 (mips_lhx_<mode>): Delete.
2358 (mips_l<size>x): New expand.
2359 (mips_lwx_<mode>): Delete.
2360 (mips_l<GPR:size>x_<P:mode>): New pattern.
2361 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2362 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2363 * config/mips/mips.c (mips_lx_address_p): New function.
2364 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2365 (dsp64): New availability predicate.
2366 (mips_builtins): Add an entry for __builtin_mips_ldx.
2367 * config/mips/mips.h (ISA_HAS_LBX): New define.
2368 (ISA_HAS_LBUX): Likewise.
2369 (ISA_HAS_LHX): Likewise.
2370 (ISA_HAS_LHUX): Likewise.
2371 (ISA_HAS_LWX): Likewise.
2372 (ISA_HAS_LWUX): Likewise.
2373 (ISA_HAS_LDX): Likewise.
2374 * doc/extend.texi (__builtin_mips_ldx): Document.
2376 2012-01-04 Tristan Gingold <gingold@adacore.com>
2378 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2379 when long pointers are used.
2380 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2381 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2382 (ia64-hp-*vms*): Remove.
2383 * config/vms/xm-vms64.h: Delete.
2385 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2388 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2390 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2392 * opts.c (finish_options): Remove duplicate sorry.
2394 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2397 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2400 2012-01-04 Richard Guenther <rguenther@suse.de>
2403 * tree.c (size_low_cst): New function.
2404 * tree.h (size_low_cst): Declare.
2405 * fold-const.c (fold_comparison): Use it to extract the low
2406 part of the POINTER_PLUS_EXPR offset.
2408 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2410 Fix clearing ZERO_REG
2411 * config/avr/avr.md (cc): Add alternative "ldi".
2412 (movqi_insn): Use it in cc attribute.
2413 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2414 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2415 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2417 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2419 * configure: Regenerate.
2421 2012-01-04 Richard Guenther <rguenther@suse.de>
2423 PR tree-optimization/49651
2424 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2425 (var_can_have_subvars): Use it.
2426 (get_constraint_for_1): Only consider subfields if there can be any.
2428 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2431 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2432 to its new canonical_cselib_val and the cselib_val was in
2433 first_containing_mem chain, but the canonical_cselib_val was not,
2434 add the latter into the chain.
2435 (cselib_invalidate_mem): Compare canonical_cselib_val of
2436 addr_list chain elt with v.
2439 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2440 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2442 (output_macinfo_op): Don't ggc_strdup fd->filename.
2443 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2444 then ggc_strdup it. Don't free inc->info or cur->info.
2445 (output_macinfo): Don't free ref->info or file->info.
2447 2012-01-03 Ira Rosen <irar@il.ibm.com>
2449 PR tree-optimization/51269
2450 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2451 first_niters a pointer.
2452 (slpeel_tree_peel_loop_to_edge): Likewise.
2453 (vect_do_peeling_for_loop_bound): Update call to
2454 slpeel_tree_peel_loop_to_edge.
2455 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2456 here. Remove it from the parameters list.
2457 (vect_do_peeling_for_alignment): Update calls and compute
2460 2012-01-03 Richard Guenther <rguenther@suse.de>
2462 PR tree-optimization/51070
2463 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2464 Properly handle calls.
2466 2012-01-03 Richard Guenther <rguenther@suse.de>
2468 PR tree-optimization/51692
2469 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2470 the LHS of allocation stmts.
2472 2012-01-03 Olivier Hainque <hainque@adacore.com>
2474 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2476 2012-01-03 Olivier Hainque <hainque@adacore.com>
2478 * collect2.c (main): In AIX specific computations for vector
2479 insertions, use CONST_CAST2 to cast from char ** to const char **.
2481 2012-01-03 Richard Guenther <rguenther@suse.de>
2484 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2485 the context of a limbo DIE when it does not already exist.
2487 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2489 PR tree-optimization/51719
2490 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2491 but direct call is, clear direct call's lhs and don't add fallthrough
2492 edge from dcall_bb to join_bb and PHIs.
2494 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2496 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2497 the instructions emitted by the pattern.
2498 ("*TDC_insn_<mode>"): Add comment.
2500 2012-01-03 Richard Guenther <rguenther@suse.de>
2503 * fold-const.c (fold_comparison): Properly canonicalize
2504 tree offset and HOST_WIDE_INT bit position.
2506 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2508 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2509 operands for extzv pattern.
2511 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2514 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2517 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2519 * doc/invoke.texi (-flto and related options): Copy-edit.
2521 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2523 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2525 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2527 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2530 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2532 * expr.h (move_by_pieces_ninsns): Declare.
2533 * expr.c (move_by_pieces_ninsns): Make external.
2534 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2535 (mips_store_by_pieces_p): Likewise.
2536 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2537 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2538 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2539 (mips_store_by_pieces_p): Likewise.
2541 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2543 * passes.c (register_one_dump_file): Free full_name.
2545 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2546 (calculate_elim_costs_all_insns): Free offsets_at and
2547 offsets_known_at at the end and clear the pointers.
2549 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2551 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2552 this option introduced in r180739.
2554 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2557 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2558 (tmake_file target=avr): Add avr/t-multilib.
2560 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2561 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2562 * config/avr/genmultilib.awk: New file.
2563 * config/avr/t-multilib: New auto-generated file.
2564 * config/avr/multilib.h: New auto-generated file.
2565 * config/avr/t-avr (AVR_MCUS): New variable.
2566 (genopt.sh): Use it.
2567 (s-mlib): Depend on t-multilib.
2568 (t-multilib, multilib.h): New dependencies.
2569 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2570 (MULTILIB_OPTIONS): Remove.
2571 (MULTILIB_MATCHES): Remove.
2572 (MULTILIB_DIRNAMES): Remove.
2573 (MULTILIB_EXCEPTIONS): Remove:
2574 * config/avr/genopt.sh: Don't use hard coded file name;
2575 pass AVR_MCUS from t-avr instead.
2577 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2579 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2581 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2583 Implement light-weight DImode support.
2584 * config/avr/avr-dimode.md: New file.
2585 * config/avr/avr.md: Include it.
2586 (adjust_len): Add plus64, compare64.
2587 (HIDI): Remove code iterator.
2588 (code_stdname): New code attribute.
2589 (rotx, rotsmode): Remove DI.
2590 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2592 * config/avr/avr-protos.h (avr_have_dimode): New.
2593 (avr_out_plus64, avr_out_compare64): New.
2594 * config/avr/avr.c (avr_out_compare): Handle DImode.
2595 (avr_have_dimode): New variable definition and initialization.
2596 (avr_out_compare64, avr_out_plus64): New functions.
2597 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2598 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2599 (avr_compare_pattern): Skip DImode comparisons.
2601 2012-01-02 Revital Eres <revital.eres@linaro.org>
2603 * ddg.c (def_has_ccmode_p): New function.
2604 (add_cross_iteration_register_deps,
2605 create_ddg_dep_from_intra_loop_link): Call it.
2607 2012-01-02 Richard Guenther <rguenther@suse.de>
2610 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2612 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2614 * gcc.c (process_command): Update copyright notice dates.
2615 * gcov.c (print_version): Likewise.
2616 * gcov-dump.c (print_version): Likewise.
2617 * mips-tfile.c (main): Likewise.
2618 * mips-tdump.c (main): Likewise.
2620 2012-01-01 Ira Rosen <irar@il.ibm.com>
2622 PR tree-optimization/51704
2623 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2624 a use is inside the basic block or loop before accessing its vect info.
2626 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2628 PR rtl-optimization/51069
2629 * cfgloopmanip.c (remove_path): Removing path making irreducible
2630 region unconditional makes BB part of the region.
2632 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2634 PR tree-optimization/51683
2635 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2636 calls with side-effects.
2637 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2639 Copyright (C) 2012 Free Software Foundation, Inc.
2641 Copying and distribution of this file, with or without modification,
2642 are permitted in any medium without royalty provided the copyright
2643 notice and this notice are preserved.