1 2012-02-16 Jakub Jelinek <jakub@redhat.com>
4 * cgraphunit.c (verify_cgraph_node): Fix a typo.
6 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
8 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
10 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
13 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
14 force_reg instead of copy_to_reg for better optimization. Force
15 non-register or memory operands into a register.
17 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
19 * extend.texi: Reserve upper bits of memory model for future use.
21 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
22 Anatoly Sokolov <aesok@post.ru>
23 Eric Weddington <eric.weddington@atmel.com>
26 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
27 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
28 Rewrite initializers for .macro.
29 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
30 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
31 atxmega32d4, atxmega32x1.
32 avrxmega4: atxmega64a3, atxmega64d3.
33 avrxmega5: atxmega64a1, atxmega64a1u.
34 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
35 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
36 avrxmega7: atxmega128a1, atxmega128a1u.
37 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
38 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
39 (struct base_arch_s): Rename reserved to xmega_p.
40 Rename reserved2 to have_rampd.
41 (AVR_XMEGA): New define.
42 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
43 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
44 * config/avr/predicates.md (io_address_operand): Take into
46 (low_io_address_operand): Ditto.
47 (high_io_address_operand): Ditto.
48 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
49 (enabled, movhi_sp_r): Use them.
50 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
51 cpp_define_formatted to built-in define __AVR_ARCH__.
52 (__AVR_XMEGA__): New built-in define.
53 (__AVR_HAVE_RAMPD__): New built-in define.
54 (__AVR_HAVE_RAMPX__): New built-in define.
55 (__AVR_HAVE_RAMPY__): New built-in define.
56 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
58 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
59 (avr_option_override): Initialize them.
60 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
61 (avr_init_expanders): Initialize them. No more block several calls.
62 (emit_push_sfr): New static function.
63 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
65 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
66 (avr_print_operand): Print addreeses as symbols for
67 RAMPX, RAMPY, RAMPD, CCP.
68 (output_movhi): Handle AVR_XMEGA when writing to SP.
69 (avr_out_movhi_mr_r_xmega): New static function.
70 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
71 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
72 __RAMPD__, __CCP__ as needed.
74 * config/avr/multilib.h: Regenerate.
75 * config/avr/t-multilib: Regenerate.
76 * config/avr/avr-tables.opt: Regenerate.
78 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
80 PR tree-optimization/50561
81 * graphite-flattening.c (lst_project_loop): Do not
82 remove old scattering dimensions after flattening.
83 (lst_do_flatten): Likewise.
85 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
87 * doc/extend.texi (AVR Built-in Functions): Remove doc for
88 __builtin_avr_map8, __builtin_avr_map16.
89 Document __builtin_avr_insert_bits.
91 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
92 (insert_bits): New insn.
93 (adjust_len.map_bits): Rename to insert_bits.
94 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
95 * avr-protos.h (avr_out_map_bits): Remove.
96 (avr_out_insert_bits, avr_has_nibble_0xf): New.
97 * config/avr/constraints.md (Cxf,C0f): New.
98 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
99 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
100 New built-in define __BUILTIN_AVR_INSERT_BITS.
101 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
102 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
103 (avr_move_bits): Rewrite.
104 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
106 (avr_map_op_t): New typedef.
107 (avr_map_op): New static variable.
108 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
109 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
110 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
111 (bdesc_3arg, avr_expand_triop_builtin): New.
112 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
113 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
114 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
115 (avr_map_equal_p, avr_map_sig_p): Remove.
116 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
117 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
118 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
119 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
120 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
121 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
123 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
125 * config/c6x/c6x.md (reserve_cycles): New attribute.
126 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
127 don't reserve functional units after the branch occurs.
129 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
132 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
133 functions into non-tm_pure functions.
135 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
138 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
139 (iterative_hash_canonical_type): Likewise.
140 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
143 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
145 * haifa-sched.c (prune_ready_list): Ensure that if there is a
146 sched-group insn, it either remains alone or the entire list is
149 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
151 * doc/install.texi (Prerequisites): Fix grammar.
152 (Configuration): Likewise.
154 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
156 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
157 MPC as part of GCC before describing configuring with --with-gmp etc.
158 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
161 2012-02-14 Jakub Jelinek <jakub@redhat.com>
164 * dwarf2out.c (clone_tree_hash): New function.
165 (copy_decls_walk): Use it instead of clone_tree.
167 2012-02-14 Richard Guenther <rguenther@suse.de>
169 PR tree-optimization/52244
170 PR tree-optimization/51528
171 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
172 replacements for integral types.
174 2012-02-14 Walter Lee <walt@tilera.com>
176 * config.gcc: Handle tilegx and tilepro.
177 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
179 Add HAVE_AS_TLS check for tilegx and tilepro.
180 * configure: Regenerate.
181 * doc/contrib.texi: Add Mat Hostetter and self.
182 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
183 Document instruction intrinsics and network accessing intrinsics.
184 (TILEPro Built-in Functions): New node. Document instruction
185 intrinsics and network accessing intrinsics.
186 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
187 (Specific, tilepro-*-linux*): Likewise.
188 * doc/invoke.texi (TILE-Gx Options): New section.
189 (TILEPro Options): New section.
190 * doc/md.texi (TILE-Gx): New section.
191 (TILEPro): New section.
192 * common/config/tilegx/tilegx-common.c: New file.
193 * common/config/tilepro/tilepro-common.c: New file.
194 * config/tilegx/constraints.md: New file.
195 * config/tilegx/linux.h: New file.
196 * config/tilegx/mul-tables.c: New file.
197 * config/tilegx/predicates.md: New file.
198 * config/tilegx/sync.md: New file.
199 * config/tilegx/t-tilegx: New file.
200 * config/tilegx/tilegx-builtins.h: New file.
201 * config/tilegx/tilegx-c.c: New file.
202 * config/tilegx/tilegx-generic.md: New file.
203 * config/tilegx/tilegx-modes.def: New file.
204 * config/tilegx/tilegx-multiply.h: New file.
205 * config/tilegx/tilegx-protos.h: New file.
206 * config/tilegx/tilegx.c: New file.
207 * config/tilegx/tilegx.h: New file.
208 * config/tilegx/tilegx.md: New file.
209 * config/tilegx/tilegx.opt: New file.
210 * config/tilepro/constraints.md: New file.
211 * config/tilepro/gen-mul-tables.cc: New file.
212 * config/tilepro/linux.h: New file.
213 * config/tilepro/mul-tables.c: New file.
214 * config/tilepro/predicates.md: New file.
215 * config/tilepro/t-tilepro: New file.
216 * config/tilepro/tilepro-builtins.h: New file.
217 * config/tilepro/tilepro-c.c: New file.
218 * config/tilepro/tilepro-generic.md: New file.
219 * config/tilepro/tilepro-modes.def: New file.
220 * config/tilepro/tilepro-multiply.h: New file.
221 * config/tilepro/tilepro-protos.h: New file.
222 * config/tilepro/tilepro.c: New file.
223 * config/tilepro/tilepro.h: New file.
224 * config/tilepro/tilepro.md: New file.
225 * config/tilepro/tilepro.opt: New file.
227 2012-02-14 Jakub Jelinek <jakub@redhat.com>
229 PR tree-optimization/52210
230 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
231 vect_model_simple_cost with two entry vect_def_type array instead
234 2012-02-14 Richard Guenther <rguenther@suse.de>
237 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
238 Do not stream DECL_QUALIFIER.
239 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
240 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
241 (find_decls_types_r): Do not walk DECL_QUALIFIER.
243 2012-02-14 Jakub Jelinek <jakub@redhat.com>
246 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
249 2012-02-13 Jakub Jelinek <jakub@redhat.com>
252 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
253 * cselib.c (cselib_subst_to_values_from_insn): New function.
254 * sched-deps.c (add_insn_mem_dependence,
255 sched_analyze_1, sched_analyze_2): Use it.
257 2012-02-13 Jan Hubicka <jh@suse.cz>
260 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
262 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
264 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
265 (GTM_SELF_SPECS): Define if not already defined.
266 (driver_self_specs): Add GTM_SELF_SPECS.
267 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
268 (GTM_SELF_SPECS): Define.
269 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
270 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
272 2012-02-13 Jakub Jelinek <jakub@redhat.com>
274 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
277 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is
281 * omp-low.c (expand_omp_for): If a static schedule without
282 chunk size has NULL region->cont, force fd.chunk_size to be
285 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
288 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
290 2012-02-13 Richard Guenther <rguenther@suse.de>
293 * passes.c (enable_disable_pass): Fix typo.
295 2012-02-13 Jakub Jelinek <jakub@redhat.com>
298 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
299 XOR for reduce_bit_field if type is unsigned.
301 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
303 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
304 disallow changes from SFmode to mode with different size in FP regs.
306 2012-02-12 Robert Millan <rmh@gnu.org>
307 Gerald Pfeifer <gerald@pfeifer.com>
309 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
312 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
314 PR rtl-optimization/52175
315 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
316 to frame-related instructions.
318 2012-02-10 Jason Merrill <jason@redhat.com>
321 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
322 (demangle_new_symbols): Fill it.
323 (scan_linker_output): Walk it.
324 (start_tweaking): Split out from scan_linker_output.
325 (maybe_tweak): Update sym->chosen.
326 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
328 2012-02-11 Jakub Jelinek <jakub@redhat.com>
331 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
334 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
336 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
337 having the same mode as previous compare.
339 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
341 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
342 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
343 (nonlocal_goto_internal): Likewise.
344 (nonlocal_goto): Emit a use and an indirect jump directly.
346 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
349 * doc/extend.texi : Update comments for __atomic_compare_exchange and
350 __atomic_{is,always}_lock_free.
352 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
355 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
356 negative constant address for x32.
358 2012-02-10 Richard Henderson <rth@redhat.com>
360 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
361 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
362 for GIMPLE_TRANSACTION. Tidy if's into a switch.
364 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
365 Ira Rosen <irar@il.ibm.com>
367 PR tree-optimization/50031
368 * targhooks.c (default_builtin_vectorization_cost): Handle
370 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
371 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
372 all types of reduction and pattern statements.
373 (vect_estimate_min_profitable_iters): Likewise.
374 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
375 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
376 for explicit realigns.
377 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
378 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
380 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
381 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
382 vec_perm for VSX and handle vec_promote_demote.
384 2012-02-10 Jakub Jelinek <jakub@redhat.com>
387 * builtins.c (fold_builtin_atomic_always_lock_free,
388 expand_builtin_atomic_always_lock_free,
389 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
390 Return and/or test boolean_true_node/boolean_false_node instead of
391 integer_one_node/integer_zero_node.
393 2012-02-10 Jan Hubicka <jh@suse.cz>
396 * predict.c (predict_paths_for_bb): Prevent looping.
397 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
399 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
401 * config/arm/arm.c (output_move_double): In one case properly
402 count number of instructions that will be emitted.
404 2012-02-10 Richard Guenther <rguenther@suse.de>
407 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
409 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
412 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
414 2012-02-09 Jakub Jelinek <jakub@redhat.com>
417 * var-tracking.c (emit_note_insn_var_location): If
418 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
419 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
420 non-NOTE_DURING_CALL_P insn.
422 2012-02-09 Bin Cheng <bin.cheng@arm.com>
425 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
427 2012-02-08 Magnus Granberg <zorry@gentoo.org>
430 * gcc.c (switch_matches) Support switches with separated form,
433 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
435 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
438 * config/avr/avr.c (avr_addr_t): New typedef.
439 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
440 (avr_init_expanders): Initialize it.
441 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
443 (expand_epilogue): Ditto.
444 (avr_print_operand): Ditto.
445 (avr_file_start): Ditto.
446 (avr_emit_movmemhi): Ditto.
448 2012-02-08 Richard Guenther <rguenther@suse.de>
450 PR tree-optimization/46886
451 * tree-flow.h (do_while_loop_p): Declare.
452 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
453 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
455 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
457 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
458 always succeed for integers larger than a native word.
460 2012-02-08 Richard Guenther <rguenther@suse.de>
462 PR rtl-optimization/52170
463 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
464 properly handle integer vector modes.
466 2012-02-08 Jakub Jelinek <jakub@redhat.com>
468 PR gcov-profile/52150
469 * coverage.c: Include target.h.
470 (build_var): Call targetm.strip_name_encoding on the assembler name.
471 Change one _ into . or $ if the target allows it.
472 * Makefile.in (coverage.o): Depend on $(TARGET_H).
474 PR rtl-optimization/52139
475 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
476 is a BARRIER after emit_insn_after_noloc, move BB_END
477 to the last non-BARRIER insn before it.
479 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
482 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
483 (mips_gimplify_va_arg_expr): Call it instead of
484 std_gimplify_va_arg_expr.
486 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
488 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
489 message for -mno-pointers-to-nested-function.
491 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
494 * expr.c (get_inner_reference): If there is an offset, add a negative
495 bit position to it (if any).
497 2012-02-07 Jakub Jelinek <jakub@redhat.com>
499 PR rtl-optimization/52060
500 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
501 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
502 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
503 and/or i0src_copy2 when needed.
505 2012-02-07 Jakub Jelinek <jakub@redhat.com>
507 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
508 or LTOPLUGINSONAME if have_c.
510 * config/freebsd-spec.h: Add comment about what macros can be defined
512 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
513 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
516 2012-02-07 Richard Guenther <rguenther@suse.de>
518 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
519 newline in -alias dumps.
521 2012-02-07 Kai Tietz <ktietz@redhat.com>
522 Dave Korn <dave.korn.cygwin@gmail.com>
525 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
526 Take care that typinfo gets dllexport-attribute.
528 2012-02-07 Jakub Jelinek <jakub@redhat.com>
531 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
532 if modifier < EXPAND_SUM call force_operand on the result.
534 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
536 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
537 adding __forwarder_dst__ prefix if a forwarder_section attribute is
539 (epiphany_function_type): Replace types for specific interrupts with
540 EPIPHANY_FUNCTION_INTERRUPT.
541 (EPIPHANY_INTERRUPT_P): Update.
542 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
544 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
545 <disinterrupt>: Affects type identity.
546 (epiphany_handle_interrupt_attribute): Handle variable number of
548 (epiphany_compute_function_type): Update for new
549 epiphany_function_type definition.
550 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
551 handlers with a longcall forwarder.
552 (epiphany_start_function): Handle multiple interrupt arguments and/or
553 forwarder_section attribute.
555 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
558 2012-02-07 Alan Modra <amodra@gmail.com>
561 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
564 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
566 PR tree-optimization/50969
567 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
568 use vec_perm rather than vector_stmt.
569 (vect_model_load_cost): Likewise.
570 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
571 vec_perm to be the same as other vector statements.
572 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
573 cost of vec_perm for TARGET_VSX.
575 2012-02-06 Richard Guenther <rguenther@suse.de>
577 PR tree-optimization/52115
578 * tree-sra.c (access_has_replacements_p): New function.
579 (sra_modify_assign): Use it to decide whether a use is uninitialized.
581 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
584 * trans-mem.c (expand_call_tm): Add an assertion.
585 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
588 2012-02-06 Richard Guenther <rguenther@suse.de>
590 PR tree-optimization/50955
591 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
592 raise cost of expressions that replace an address with an
593 expression based on a different pointer.
595 2012-02-06 Jakub Jelinek <jakub@redhat.com>
598 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
599 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
601 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
604 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
605 -Weffc++ and specify guidelines come from second edition.
607 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
609 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
610 (sibcall_value_multiple_internal, call_split, call_internal_direct)
611 (call_direct_split, call_value_split, call_value_internal_direct)
612 (call_value_direct_split, call_value_multiple_split): Use jal and
613 jal_macro attributes.
615 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
617 * reload1.c (reload_regs_reach_end_p): Replace with...
618 (reload_reg_rtx_reaches_end_p): ...this function.
619 (new_spill_reg_store): Update commentary.
620 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
621 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
622 before setting new_spill_reg_store.
623 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
624 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
625 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
626 for non-spill reload registers.
628 2012-02-05 Ira Rosen <irar@il.ibm.com>
630 PR tree-optimization/52091
631 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
632 (vect_is_simple_use_1): Likewise.
633 * tree-vect-loop.c (vectorizable_reduction): Update calls
634 to vect_is_simple_use_1 and vect_is_simple_use.
635 (vectorizable_live_operation): Likewise.
636 * tree-vect-patterns.c (widened_name_p,
637 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
638 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
639 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
640 vectorizable_shift,vectorizable_operation, vectorizable_store,
641 vectorizable_load): Likewise.
642 (vect_is_simple_cond): Add an argument, pass it to
643 vect_is_simple_use_1.
644 (vectorizable_condition): Update calls to vect_is_simple_cond,
646 (vect_is_simple_use): Add an argument, the statement in which
647 OPERAND is used. Check that if OPERAND's def stmt is a double
648 reduction phi node, the use is a phi node too.
649 (vect_is_simple_use_1): Add an argument, pass it to
651 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
652 to vect_is_simple_use.
654 2012-02-04 Jakub Jelinek <jakub@redhat.com>
656 PR rtl-optimization/52095
657 * modulo-sched.c (dump_insn_locator): New function.
658 (loop_canon_p, sms_schedule): Use it.
660 PR rtl-optimization/52113
661 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
662 even for decomposable shift/zext insns.
664 2012-02-03 Jakub Jelinek <jakub@redhat.com>
665 Zdenek Dvorak <ook@ucw.cz>
667 PR rtl-optimization/52092
668 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
669 on get_iv_value result.
671 2012-02-02 Andrew Pinski <apinski@cavium.com>
675 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
677 2012-02-02 Jakub Jelinek <jakub@redhat.com>
680 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
682 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
684 PR rtl-optimization/49800
685 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
686 (sched_finish): Call regstat_free_n_sets_and_refs.
688 2012-02-02 Jia Liu <proljc@gmail.com>
690 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
693 2012-02-02 Jan Hubicka <jh@suse.cz>
694 Tom de Vries <tom@codesourcery.com>
697 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
698 * varpool.c (varpool_analyze_pending_decls): Likewise.
700 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
701 Jayant R Sonar <jayant.sonar@kpitcummins.com>
703 * config.gcc: Add cr16-* support.
705 * doc/extend.texi: Document cr16 extensions.
706 * doc/install.texi: Document cr16 install.
707 * doc/invoke.texi: Document cr16 options.
708 * doc/md.texi: Document cr16 constraints.
710 * common/config/cr16/cr16-common.c: New file.
711 * config/cr16/cr16.c: New file.
712 * config/cr16/cr16.h: New file.
713 * config/cr16/cr16.md: New file.
714 * config/cr16/cr16.opt: New file.
715 * config/cr16/cr16-protos.h: New file.
716 * config/cr16/predicates.md: New file.
717 * config/cr16/constraints.md: New file.
718 * config/cr16/t-cr16: New file.
720 2012-02-02 Jakub Jelinek <jakub@redhat.com>
723 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
724 that operands[2] is either immediate, or q_regs_operand.
726 PR tree-optimization/52073
727 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
728 a pattern stmt for pattern uses, ignore uses outside of the loop.
730 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
732 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
733 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
734 (OUT_AS1, OUT_AS2): Remove.
736 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
738 PR rtl-optimization/51374
739 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
740 to cross other volatile_refs_p insns.
742 2012-02-01 Richard Guenther <rguenther@suse.de>
744 * doc/invoke.texi (fno-inline): Clarify documentation.
745 (finline-small-functions): Likewise.
746 (finline-functions): Likewise.
747 * common.opt (finline): Adjust comment and documentation.
748 (finline-small-functions): Clarify documentation.
749 (finline-functions): Likewise.
750 (finline-functions-called-once): Likewise.
752 2012-02-01 Tristan Gingold <gingold@adacore.com>
754 * c-typeck.c (composite_type): Keep mode for pointers.
756 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
758 * function.h (regno_reg_rtx): Adjust comment.
759 * reginfo.c (init_reg_modes_target): Only use the previous mode
760 if it fits within one register. Remove MIPS comment.
762 2012-01-31 Jakub Jelinek <jakub@redhat.com>
765 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
767 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
769 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
772 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
774 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
776 2012-01-31 Jakub Jelinek <jakub@redhat.com>
781 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
783 2012-01-31 Richard Guenther <rguenther@suse.de>
785 PR tree-optimization/51528
786 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
789 2012-01-31 Jakub Jelinek <jakub@redhat.com>
794 * ree.c (add_removable_extension): Change def_map argument
795 to unsigned *, store in def_map 1 + offset into *insn_list vector
796 instead of pointers into the vector.
797 (find_removable_extensions): Adjust caller.
799 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
801 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
802 Transform all "* quoted-c-code" to { c-code }.
803 Remove redundant test for "optimize" in combine patterns.
804 Move (include "avr-dimode.md") to end of file.
806 2012-01-30 Bin Cheng <bin.cheng@arm.com>
809 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
810 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
812 2012-01-30 Richard Guenther <rguenther@suse.de>
814 PR tree-optimization/52028
815 * tree-loop-distribution.c (ldist_gen): Properly update
818 2012-01-30 Jakub Jelinek <jakub@redhat.com>
821 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
822 set_cur_line_info_table if not emitting debug info.
824 PR tree-optimization/52046
825 * tree-vect-patterns.c (check_bool_pattern): Give up if
826 a comparison could throw.
829 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
831 2012-01-30 Richard Guenther <rguenther@suse.de>
833 PR tree-optimization/52045
834 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
835 SSA form if cfgcleanup did anything.
837 2012-01-30 Richard Guenther <rguenther@suse.de>
839 PR tree-optimization/52045
840 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
841 before computing final todo.
843 2012-01-30 Richard Guenther <rguenther@suse.de>
845 PR tree-optimization/51528
846 * tree-sra.c (sra_modify_assign): Re-factor in preparation
849 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
851 * df-problems.c (df_kill_notes): Check that the use refers
852 to the note under examination.
854 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
857 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
858 parameter and use short-lived pseudos.
859 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
860 (sparc_expand_vector_init): Const-ify local variables and adjust
861 calls to above functions.
863 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
865 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
867 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
869 * doc/invoke.texi: Make usage of "compile time" and
870 "run time"/"runtime" consistent throughout the file.
872 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
874 * config/alpha/alpha.c (alpha_option_override): Default to
875 full IEEE compliance mode for Go language.
877 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
879 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
880 (LINK_SSP_SPEC): Define.
882 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
885 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
888 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
890 * doc/invoke.texi: Correct hyphenation of "floating point",
891 "double precision", and related terminology throughout the file.
893 2012-01-28 Jakub Jelinek <jakub@redhat.com>
896 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
897 arm_general_register_operand predicate for operand 2 instead of
900 2012-01-27 Ian Lance Taylor <iant@google.com>
903 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
904 * builtins.c (expand_builtin_init_trampoline): Add onstack
905 parameter. Change caller.
906 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
907 * tree.c (build_common_builtin_nodes): Declare
908 __builtin_init_heap_trampoline.
910 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
912 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
913 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
914 * config/avr/avr.c: Ditto.
915 (avr_regnames): Remove because unused.
916 * config/avr/avr.md (*cpse.ne): New peephole.
917 (*cpse.eq): New peephole from former cpse peepholes.
919 2012-01-27 Michael Eager <eager@eagercon.com>
921 * config/microblaze.c (microblaze_emit_compare): Correct
922 test after pcmp instruction.
924 2012-01-27 Richard Guenther <rguenther@suse.de>
926 PR tree-optimization/52020
927 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
929 2012-01-27 Richard Guenther <rguenther@suse.de>
931 * ipa-pure-const.c (check_stmt): Clobbers do not make a
932 function non-const/pure.
934 2012-01-27 Richard Guenther <rguenther@suse.de>
936 PR tree-optimization/50444
937 * tree-sra.c (build_ref_for_offset): Properly adjust the
938 MEM_REF type for unaligned accesses.
940 2012-01-27 Richard Guenther <rguenther@suse.de>
942 PR tree-optimization/50444
943 * expr.c (mem_ref_refers_to_non_mem_p): New function.
944 (expand_assignment): Use it. Properly handle misaligned
945 bases when expanding stores to component references.
946 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
949 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
952 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
953 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
954 * tree-data-ref.c (find_data_references_in_loop): Make static.
955 (compute_all_dependences): Change return type to bool. Bail out
956 for too many datarefs in a loop. Move the hunk resetting the data
957 dependences vector from ...
958 (compute_data_dependences_for_loop): ... here. Account for
959 compute_all_dependences returning false.
960 (compute_data_dependences_for_bb): Likewise.
961 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
962 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
964 2012-01-27 Richard Guenther <rguenther@suse.de>
967 * expr.c (store_field): Use the alias-set of the scratch memory
970 2012-01-27 Tom de Vries <tom@codesourcery.com>
972 PR tree-optimization/51990
973 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
975 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
977 2012-01-27 Jakub Jelinek <jakub@redhat.com>
980 * var-tracking.c (reverse_op): Don't add any reverse operation
981 if V already has any constant locations.
983 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
985 * doc/invoke.texi: Correct usage of "command line" (noun)
986 vs "command-line" (adjective) throughout.
988 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
990 * doc/invoke.texi (Language Independent Options): Move
991 -Wcoverage-mismatch blurb from here....
992 (Warning Options): ...to here.
994 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
996 * config/rs6000/rs6000.c (rs6000_option_override_internal):
997 Set rs6000_always_hint to false for 476.
999 2012-01-27 Matthias Klose <doko@ubuntu.com>
1001 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1003 * incpath.c (add_standard_paths): Likewise.
1005 2012-01-27 Richard Henderson <rth@redhat.com>
1007 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1008 * config/m68k/sync.md (atomic_test_and_set): Rename from
1009 sync_test_and_setqi and adjust the operands.
1010 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1011 and unconditionally enable.
1013 2012-01-27 Richard Henderson <rth@redhat.com>
1015 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1016 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1017 (ldstub): Rename from ldstubqi.
1018 (ldstub<I24MODE>): Remove.
1020 2012-01-27 Richard Henderson <rth@redhat.com>
1022 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1023 * c-cppbuiltin.c (cpp_atomic_builtins): Define
1024 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1025 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1026 * doc/tm.texi: Rebuild.
1028 2012-01-27 Richard Henderson <rth@redhat.com>
1030 * optabs.c (gen_atomic_test_and_set): Remove default.
1031 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1033 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1035 PR rtl-optimization/51978
1036 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1037 (combine_reaching_defs): Likewise.
1038 (struct re_info): Remove.
1039 (add_removable_extension): Remove x and data arguments,
1040 add insn, insn_list and def_map. Use the arguments directly
1041 instead of using struct re_info.
1042 (find_removable_extensions): Don't call add_removable_extension
1043 through note_stores, instead just call it with single_set
1045 (find_and_remove_re): Pass curr_cand->expr instead of
1046 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1048 2012-01-26 Michael Matz <matz@suse.de>
1050 PR tree-optimization/46590
1051 * cfgexpand.c: Revert last change (r183305).
1052 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1054 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1055 checking for emptiness.
1057 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1060 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1061 non-addressable non-BLKmode base correctly.
1063 2012-01-26 Michael Matz <matz@suse.de>
1065 PR tree-optimization/48794
1066 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1067 regions referenced from RESX/EH_DISPATCH.
1069 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1071 * config/s390/s390.h: Make BRANCH_COST an option.
1072 * config/s390/s390.opt: New option -mbranch-cost.
1074 2012-01-26 Richard Henderson <rth@redhat.com>
1076 Revert 2012-01-24 change:
1077 * trans-mem.c (requires_barrier): Do not instrument thread local
1078 variables and emit save/restore for them.
1080 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1083 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1086 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
1088 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1091 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
1094 Rename __pgm to __flash.
1095 Rename __pgm1 to __flash1.
1096 Rename __pgm2 to __flash2.
1097 Rename __pgm3 to __flash3.
1098 Rename __pgm4 to __flash4.
1099 Rename __pgm5 to __flash5.
1100 Rename __pgmx to __memx.
1101 * doc/extend.texi (AVR Named Address Spaces)
1102 Rename address space names as indicated above.
1103 * config/avr/avr.c (avr_addrspace): Ditto.
1105 * config/avr/avr-protos.h
1106 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1107 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1108 * config/avr/predicates.md: Ditto.
1109 * config/avr/avr.c Ditto, and
1110 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1111 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1113 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1114 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1115 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1116 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1117 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1118 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1119 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1120 * config/avr/avr.c: Ditto.
1121 * config/avr/avr.md: Ditto.
1123 2012-01-25 Jason Merrill <jason@redhat.com>
1126 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1128 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1130 PR tree-optimization/51987
1131 * tree-data-ref.c (get_references_in_stmt): Handle references in
1132 non-volatile GIMPLE_ASM.
1134 2012-01-25 Richard Guenther <rguenther@suse.de>
1136 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1137 bases are dereferenced.
1139 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1141 PR rtl-optimization/48374
1142 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1144 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1146 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1147 compute_data_dependences_for_loop returns false.
1148 * tree-parloops.c (loop_parallel_p): Likewise.
1150 2012-01-25 Richard Guenther <rguenther@suse.de>
1152 * tree.h (get_pointer_alignment_1): Declare.
1153 * builtins.c (get_pointer_alignment_1): New function.
1154 (get_pointer_alignment): Use it.
1156 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1158 PR rtl-optimization/48308
1159 * combine.c (enum undo_kind): Add UNDO_LINKS.
1160 (struct undo): Add member l to other_contents and where.
1161 (do_SUBST_LINK): New.
1163 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1164 (undo_all): Handle UNDO_LINKS.
1166 2012-01-25 Richard Henderson <rth@redhat.com>
1168 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1171 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1173 * optabs.c (gen_atomic_test_and_set): Use each argument.
1175 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1177 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1178 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1179 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1180 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1181 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1182 TARGET_PAIRED_SINGLE_FLOAT.
1184 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1186 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1187 (in_struct, return_val): Remove MEM documentation.
1188 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1189 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1190 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1192 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1193 * cfgexpand.c (add_alias_set_conflicts): Likewise.
1194 * expr.c (store_field): Likewise.
1195 * function.c (assign_stack_temp_for_type): Likewise.
1196 * ifcvt.c (noce_try_cmove_arith): Likewise.
1197 * reload1.c (reload): Likewise.
1198 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1199 (alpha_set_memflags): Likewise.
1200 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1202 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1204 * rtl.h (true_dependence, canon_true_dependence): Remove varies
1206 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1207 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1208 (true_dependence_1, true_dependence, canon_true_dependence): Remove
1210 * cselib.c (cselib_rtx_varies_p): Delete.
1211 (cselib_invalidate_mem): Update call to canon_true_dependence.
1212 * dse.c (record_store, check_mem_read_rtx): Likewise.
1213 (scan_reads_nospill): Likewise.
1214 * cse.c (check_dependence): Likewise.
1215 (cse_rtx_varies_p): Delete.
1216 * expr.c (safe_from_p): Update call to true_dependence.
1217 * ira.c (validate_equiv_mem_from_store): Likewise.
1218 (memref_referenced_p): Likewise.
1219 * postreload-gcse.c (find_mem_conflicts): Likewise.
1220 * sched-deps.c (sched_analyze_2): Likewise.
1221 * store-motion.c (load_kills_store): Likewise.
1222 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1223 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1224 (compute_transp): Update call to canon_true_dependence.
1226 2012-01-25 Richard Henderson <rth@redhat.com>
1228 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1229 (maybe_emit_atomic_test_and_set): New.
1230 (expand_sync_lock_test_and_set): Use it.
1231 (expand_atomic_test_and_set): Likewise.
1232 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1233 the implementation; clarify implementation defined details.
1234 * doc/md.texi (atomic_test_and_set): Document.
1236 2012-01-25 Richard Henderson <rth@redhat.com>
1238 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1240 2012-01-25 Richard Henderson <rth@redhat.com>
1243 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1244 to effect no-op split.
1246 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1249 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1250 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1251 (BT_FN_VOID_PTR_INT_SIZE): New.
1252 (BT_FN_UINT_UINT_VAR): Remove.
1253 (BT_FN_UINT32_UINT32_VAR): New.
1254 (BT_FN_DOUBLE_VPTR): Remove.
1255 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1257 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1258 (_ITM_changeTransactionMode): Same.
1259 (_ITM_memmoveRtWt): Change return type to void.
1260 (_ITM_memcpyRtWt): Same.
1261 (_ITM_memsetW): Same.
1262 (_ITM_RaRD): Change types to double.
1267 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1269 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1270 Patrick Marlier <patrick.marlier@gmail.com>
1272 * trans-mem.c (requires_barrier): Do not instrument thread local
1273 variables and emit save/restore for them.
1275 2012-01-24 Jason Merrill <jason@redhat.com>
1278 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1279 output static aliases.
1281 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1284 * common.opt (-pie, -shared, pie, shared): Change from Common to
1286 * gcc.c (display_help): Display help for -pie and -shared.
1288 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1291 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1292 Remove note on size/offset limitation.
1293 (AVR Variable Attributes): Add example how to read data located
1294 with progmem. Refer to named address spaces.
1295 * doc/invoke.texi (AVR Options): Fix typo.
1297 2012-01-24 Richard Guenther <rguenther@suse.de>
1299 Forward-port to trunk
1300 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1303 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1304 op0 isn't sufficiently aligned and there is movmisalignM
1305 insn for mode, use it to load op0 into a temporary register.
1307 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1310 * target.def (const_not_ok_for_debug_p): New hook.
1311 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1313 * doc/tm.texi: Regenerated.
1314 * dwarf2out.c (const_ok_for_output_1): If
1315 targetm.const_not_ok_for_debug_p returns true, fail.
1316 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1318 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1320 2012-01-23 Kai Tietz <ktietz@redhat.com>
1323 * config/i386/predicates.md (symbolic_operand): Allow
1324 UNSPEC_PCREL as PIC expression for lea.
1325 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1326 * config/i386/i386.c (ix86_delegitimize_address): Handle
1327 UNSPEC_PCREL for none-MEM, too.
1329 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1331 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1332 (ipa_tm_create_version_alias): Same.
1334 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1337 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1338 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1340 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1341 Patrick Marlier <patrick.marlier@gmail.com>
1342 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1345 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1346 simple_object_start_read.
1348 2012-01-23 Richard Guenther <rguenther@suse.de>
1351 PR tree-optimization/51895
1352 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1353 parameter decomposition into BLKmode components.
1355 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1357 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1358 fake variables for restrict-qualified pointers whose pointed-to type
1359 contains a placeholder.
1361 2012-01-23 Richard Guenther <rguenther@suse.de>
1363 PR tree-optimization/51949
1364 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1366 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1368 PR rtl-optimization/51933
1369 * ree.c (transform_ifelse): Return true right away if dstreg is
1370 already wider or equal to cand->mode.
1371 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1372 (make_defs_and_copies_lists): Remove defs_list and copies_list
1373 arguments, add state argument, just truncate state->work_list
1374 instead of always allocating and freeing the vector. Assert that
1375 get_defs succeeds instead of returning 2. Changed return type to bool.
1376 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1377 have ext_src_mode, see if it has been modified already with the
1378 right kind of extension and has been extended before from the
1379 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1380 just return true. Remember the original mode in state->modified array.
1381 (combine_reaching_defs): Add state argument. Don't allocate and
1382 free here def_list, copied_list and vec vectors, instead just
1383 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1384 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1385 Add state variable, clear vectors in it, initialize state.modified
1386 if needed. Free all the vectors at the end and state.modified too.
1387 Don't skip a candidate if the extension expression has been modified.
1389 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1392 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1393 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1394 (extra_options) interix.opt -> i386/interix.opt"
1395 (extra_objs):Add winnt-stubs.o
1396 * configure.ac: Add interix to target_os .comm on PE check.
1397 * configure: Regenerate.
1398 * config/interix3.h: Delete and move bits to..
1399 * config/interix.h: Delete and move bits to..
1400 * config/i386/i386-interix3.h: Delete and move bits to..
1401 * config/i386/i386-interix.h: ..here.
1402 (TARGET_CPU_DEFAULT): Remove redefinition.
1403 (TARGET_ASM_CONSTRUCTOR): Undefine.
1404 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1405 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1406 (PTRDIFF_TYPE): Define.
1407 (LONG_DOUBLE_TYPE_SIZE): Define.
1408 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1409 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1410 (TARGET_SECTION_TYPE_FLAGS): Define.
1411 (ASM_DECLARE_FUNCTION_NAME): Define.
1412 (ASM_OUTPUT_EXTERNAL): Define.
1413 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1414 (ASM_OUTPUT_ALIGNED_BSS): Define.
1415 (PCC_BITFIELD_TYPE_MATTERS): Define.
1416 (USE_CONST_SECTION): Define.
1417 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1418 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1419 (SUPPORTS_ONE_ONLY): Remove.
1420 (I386_PE_STRIP_ENCODING): Define.
1421 * config/interix.opt: Delete and move bits to..
1422 * config/i386/interix.opt: ..here. New.
1423 (mpe-aligned-commons): Add.
1424 * config/i386/t-interix: Add copyright header.
1425 (winnt-stubs.o): Add rule.
1427 2012-01-22 Jason Merrill <jason@redhat.com>
1430 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1431 for extra name aliases.
1433 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1435 PR rtl-optimization/51924
1436 * ree.c (combine_set_extension): Improve debugging message.
1437 (combine_reaching_defs): Likewise.
1438 (get_defs): Rename confusingly named variable.
1439 (find_and_remove_re): Skip a candidate if the extension expression has
1442 2012-01-21 Robert Millan <rmh@gnu.org>
1443 Gerald Pfeifer <gerald@pfeifer.com>
1445 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1446 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1448 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1450 PR tree-optimization/51914
1451 * tree-vect-stmts.c (vectorizable_conversion): For
1452 cvt_type && modifier == WIDEN, put temporary with cvt_type
1453 at the beginning of vec_dsts and set vec_dest to temporary
1456 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1458 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1460 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1462 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1463 * config/rs6000/rs6000.c: Likewise.
1465 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1468 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1469 output_move_double on a copy of operands array.
1471 2012-01-20 Cary Coutant <ccoutant@google.com>
1472 Dodji Seketeli <dodji@redhat.com>
1475 * dwarf2out.c (copy_declaration_context): Return ref to parent
1476 of declaration DIE, if necessary.
1477 (remove_child_or_replace_with_skeleton): Add new parameter; update
1478 caller. Place skeleton DIE under parent DIE of original declaration.
1479 Move call to copy_declaration_context to here ...
1480 (break_out_comdat_types): ... from here.
1482 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1484 PR rtl-optimization/51856
1485 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1488 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1491 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1492 hints for neon loads and stores.
1494 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1498 * doc/extend.texi (Named Address Spaces): Split into subsections.
1499 (AVR Named Address Spaces): New subsection.
1500 (M32C Named Address Spaces): New subsection.
1501 (RL78 Named Address Spaces): New subsection.
1502 (SPU Named Address Spaces): New subsection.
1503 (Variable Attributes): New anchor "AVR Variable Attributes".
1504 (AVR Variable Attributes): Rewrite and avoid wording
1505 "address space" in this context.
1506 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1507 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1508 (AVR Built-in Macros): New subsubsection therein.
1509 * doc/md.texi (AVR constraints): Remove "C04", "R".
1511 2012-01-20 Richard Guenther <rguenther@suse.de>
1513 PR tree-optimization/51903
1514 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1515 when removing stmts.
1517 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1520 * config/arm/arm.c (arm_load_pic_register): Use
1521 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1522 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1523 (arm_pic_static_addr): Likewise.
1524 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1525 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1526 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1527 (pic_load_addr_unified): New.
1529 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1532 * function.c (instantiate_virtual_regs_in_insn): Use
1533 delete_insn_and_edges when removing a wrong asm insn.
1535 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1537 PR rtl-optimization/40761
1538 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1539 Add new member loop_num.
1540 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1541 (ira_build): Remove the parameter.
1543 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1544 (ira.c): Do not build CFG loops for one region allocation. Remove
1545 argument from ira_build call.
1547 * ira-build.c (init_loop_tree_node): New function.
1548 (create_loop_tree_nodes): Use it. Separate the case when CFG
1549 loops are not built.
1550 (more_one_region_p): Check current_loops.
1551 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1553 (add_loop_to_tree): Process loop equal to NULL too.
1554 (form_loop_tree): Separate the case when CFG loops are not built.
1555 Use explicitly number for the root.
1556 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1558 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1559 instead of loop->num.
1560 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1561 (mark_all_loops_for_removal): Ditto.
1562 (remove_unnecessary_regions): Separate the case when CFG loops
1564 (ira_build): Remove the parameter. Use explicit number of regions
1565 when CFG loops are not built.
1567 * ira-color.c (print_loop_title): Separate the case for the root node.
1568 Use loop_num instead of loop->num.
1569 (move_spill_restore): Use loop_num instead of loop->num.
1571 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1572 (change_loop): Ditto.
1573 (change_loop): Use loop_num instead of loop->num.
1575 * ira-lives.c (process_bb_node_lives): Ditto.
1577 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1579 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1581 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1584 * tree-mudflap.c (mf_artificial): New function.
1585 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1586 mx_register_decls, mudflap_enqueue_decl): Use it.
1589 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1590 numbers in the insn pattern.
1592 2012-01-19 Michael Matz <matz@suse.de>
1594 PR tree-optimization/46590
1595 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1596 use it in remembering which conflicts we already created.
1597 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1600 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1603 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1604 (merge_and_complain): Same.
1606 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1609 * config/initfini-array.h: Guard content of the header
1610 with #ifdef HAVE_INITFINI_ARRAY.
1611 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1612 Add initfini-array.h to tm_file here.
1613 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1614 * config.gcc: Don't add initfini-array.h to tm_file here.
1615 * configure: Regenerated.
1617 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1619 PR rtl-optimization/51505
1620 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1621 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1622 (df_note_bb_compute): Update the call to df_kill_notes.
1624 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1626 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1628 2012-01-18 Richard Guenther <rguenther@suse.de>
1630 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1631 of conversions to void *.
1633 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1634 Richard Sandiford <rdsandiford@googlemail.com>
1638 * optabs.h (simplify_expand_binop): Declare.
1639 * optabs.c (simplify_expand_binop): Make global.
1640 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1641 endian targets if the source cannot be exactly covered by word
1644 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1647 * hard-reg-set.h (struct hard_reg_set_container): New type.
1648 * target.h (struct hard_reg_set_container): Forward declare.
1649 * target.def (set_up_by_prologue): New target hook.
1650 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1651 * doc/tm.texi: Regenerated.
1652 * function.c (thread_prologue_and_epilogue_insns): Change
1653 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1654 Call targetm.set_up_by_prologue on it.
1655 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1656 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1658 2012-01-17 Nick Clifton <nickc@redhat.com>
1660 * config/rx/rx.c (rx_can_use_simple_return): New function.
1661 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1662 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1664 2012-01-17 Richard Guenther <rguenther@suse.de>
1667 * expr.c (expand_assignment): Take address-space information
1668 from the address operand of MEM_REF and TARGET_MEM_REF.
1669 (expand_expr_real_1): Likewise.
1671 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1673 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1674 reload dump is requested.
1676 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1679 * trans-mem.c (requires_barrier): Call may_be_aliased.
1681 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1683 PR tree-optimization/51877
1684 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1685 call arguments and fndecls compare equal, instead return false if they
1686 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1687 both SSA_NAMEs that are valueized the same, or they satisfy
1690 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1692 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1694 * configure: Regenerate.
1696 2012-01-16 Jan Hubicka <jh@suse.cz>
1700 * convert.c (convert_to_integer): Use fold_convert for
1701 converting an INTEGER_CST to integer type.
1703 2012-01-16 Jason Merrill <jason@redhat.com>
1706 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1708 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1711 * config/s390/s390.c (s390_chunkify_start): Don't skip
1712 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1713 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1714 If insn is followed by NOTE_INSN_VAR_LOCATION or
1715 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1716 Don't use location of note insns.
1718 PR tree-optimization/51865
1719 * tree-inline.c (tree_function_versioning): Call remap_decl
1720 on DECL_RESULT whenever it has VOID_TYPE_P type.
1722 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1724 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1725 for calls to locally-binding MIPS16 functions if only the return
1726 type uses float regs.
1728 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1729 Richard Sandiford <rdsandiford@googlemail.com>
1731 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1732 (SYMBOL_32_HIGH): Likewise.
1733 (mips_output_tls_reloc_directive): Declare.
1734 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1735 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1736 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1737 (mips_lo_relocs, mips_hi_relocs): Make extern.
1738 (mips16_stub_function): Move up file.
1739 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1740 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1741 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1742 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1743 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1744 (mips_get_tp): Add MIPS16 support.
1745 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1746 Generalize DTPREL and TPREL handling.
1747 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1748 Add MIPS16 TLS support.
1749 (mips_output_tls_reloc_directive): New function.
1750 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1751 * config/mips/predicates.md (symbolic_operand_with_high)
1752 (tls_reloc_operand): New predicates.
1753 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1754 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1755 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1756 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1757 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1758 (*tls_get_tp_mips16_call_<mode>): Likewise.
1760 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1762 PR rtl-optimization/51821
1763 * recog.c (peep2_find_free_register): Determine clobbered registers
1766 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1769 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1770 * config/avr/avr.c: Likewise.
1771 * config/avr/avr.h: Likewise.
1773 2012-01-13 Ian Lance Taylor <iant@google.com>
1776 * tree.h (TYPE_QUALS): Add cast to int.
1777 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1779 2012-01-13 Ian Lance Taylor <iant@google.com>
1781 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1782 comparing param_index to VEC_length result.
1784 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1786 * c-decl.c: Do not include tree-mudflap.h
1787 * tree-optimize.c: Likewise.
1788 * Makefile.in: Update dependencies.
1790 2012-01-13 Richard Guenther <rguenther@suse.de>
1793 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1794 variable-sized result always use RSO.
1796 2012-01-12 DJ Delorie <dj@redhat.com>
1798 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1799 pointer type, not just the default pointer type.
1801 2012-01-09 Richard Henderson <rth@redhat.com>
1802 Denis Chertykov <chertykov@gmail.com>
1805 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1806 * config/avr/avr.c (avr_can_eliminate): Simplify.
1807 (avr_initial_elimination_offset): Likewise.
1808 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1809 (expand_epilogue): Likewise.
1810 (avr_legitimize_address): Gut.
1811 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1812 (avr_hard_regno_nregs): New.
1813 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1814 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1815 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1816 add soft frame pointer.
1817 (CALL_USED_REGISTERS): Likewise.
1818 (REG_CLASS_CONTENTS): Likewise.
1819 (REGISTER_NAMES): Likewise.
1820 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1821 (HARD_FRAME_POINTER_REGNUM): New.
1822 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1823 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1824 remove the HARD_FRAME_POINTER self-elimination.
1826 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1829 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1830 DECL_EXTERNAL when checking for initializers of progmem variables.
1832 2012-01-12 Ira Rosen <irar@il.ibm.com>
1834 PR tree-optimization/51799
1835 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1836 that the last operation is a type demotion.
1838 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1840 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1841 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1843 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1846 * combine.c (distribute_notes): If i3 is a noreturn call,
1847 allow old_size to be equal to args_size and make sure the
1848 noreturn call gets REG_ARGS_SIZE note.
1849 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1850 on noreturn calls even when the delta is 0.
1852 2012-01-11 Nathan Sidwell <nathan@acm.org>
1854 * gcov.c (STRING_SIZE): Remove.
1855 (generate_results): Erase annotations for source files with no
1856 coverage information.
1858 (output_lines): Use it.
1860 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1862 * gimple.h (gimplify_body): Remove first argument.
1863 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1864 pointer set here, instead just pass DATA to walk_tree.
1865 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1866 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1867 (unvisit_body): Likewise, but with unmark_visited.
1868 (gimplify_body): Remove BODY_P argument and adjust.
1869 (gimplify_function_tree): Adjust call to gimplify_body.
1870 * omp-low.c (finalize_task_copyfn): Likewise.
1872 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1874 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1875 (build_function_type_skip_args): Delete.
1876 * tree.c (build_function_type_skip_args): Make static and add
1877 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1878 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1879 pass it to build_function_type_skip_args.
1880 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1881 (tree_function_versioning): Likewise.
1882 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1883 build_function_decl_skip_args.
1884 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1885 and pass it to build_function_decl_skip_args/tree_function_versioning.
1886 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1887 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1888 * trans-mem.c (ipa_tm_create_version): Likewise.
1889 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1890 * tree-inline.c (declare_return_variable): Remove always-true test.
1891 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1892 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1893 * ipa-split.c (split_function): Skip the return value for the split
1894 part if it doesn't return.
1896 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1898 PR tree-optimization/49642
1899 * ipa-split.c (forbidden_dominators): New variable.
1900 (check_forbidden_calls): New function.
1901 (dominated_by_forbidden): Likewise.
1902 (consider_split): Check for forbidden dominators.
1903 (execute_split_functions): Initialize and free forbidden
1904 dominators info; call check_forbidden_calls.
1906 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1908 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1910 2012-01-11 Nick Clifton <nickc@redhat.com>
1912 * config/rx/rx.md (return): Define pattern.
1914 2012-01-11 Richard Guenther <rguenther@suse.de>
1916 * doc/extend.texi (malloc attribute): Adjust according to
1919 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1920 Patrick Marlier <patrick.marlier@gmail.com>
1923 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1924 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1925 (ipa_tm_note_irrevocable): Same.
1926 (ipa_tm_scan_irr_block): Same.
1927 (ipa_tm_decrement_clone_counts): Same.
1928 (ipa_tm_scan_irr_function): Same.
1929 (ipa_tm_create_version_alias): Same.
1930 (ipa_tm_create_version): Same.
1931 (ipa_tm_transform_calls_redirect): Same.
1932 (ipa_tm_transform_calls): Same.
1933 (ipa_tm_transform_transaction): Same.
1934 (ipa_tm_execute): Same.
1936 2012-01-10 Richard Guenther <rguenther@suse.de>
1939 * opts.c (common_handle_option): Handle -Werror.
1941 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1943 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1946 2012-01-10 Jason Merrill <jason@redhat.com>
1948 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1951 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1953 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1954 supports R_386_TLS_GD_PLT reloc.
1955 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1956 supports R_386_TLS_LDM_PLT reloc.
1957 * configure: Regenerate.
1958 * config.in: Regenerate.
1960 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1963 Extend __pgmx semantics to linearize memory.
1964 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1965 determine if code comes inline or from libgcc.
1966 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1967 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1968 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1969 (movmemx_qi, movmemx_hi): New insns.
1970 (xload_<mode>_libgcc): Rewrite to new insn condition.
1971 (xload_<mode>): Remove insns.
1972 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1973 cases that don't satisfy avr_xload_libgcc_p().
1974 (avr_addr_space_convert): Allow converting in any direction.
1975 (avr_addr_space_subset_p): Return always true.
1976 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1977 (avr_emit_movmemhi): Ditto.
1978 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1979 (avr_out_movmem): Ditto.
1980 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1981 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1982 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1983 (avr_encode_section_info): Encode 'progmem' in symbol flags.
1984 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1986 2012-01-10 Richard Guenther <rguenther@suse.de>
1988 PR tree-optimization/50913
1989 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1990 Require data-refs to be representable by Graphite with respect
1993 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
1995 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1996 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1998 2012-01-10 Tom de Vries <tom@codesourcery.com>
2000 PR rtl-optimization/51271
2001 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2002 handling annulled branch.
2004 2012-01-10 Richard Henderson <rth@redhat.com>
2006 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2007 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2008 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2009 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2010 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2011 arm_expand_vec_perm_const): New.
2012 * config/arm/arm-protos.h: Update.
2013 * config/arm/neon.md (UNSPEC_VCONCAT): New.
2014 (*neon_vswp<VDQX>): New.
2015 (neon_vcombine<VDX>): Use neon_split_vcombine.
2016 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2017 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2018 (vec_perm<VE>): New.
2020 2012-01-10 Richard Henderson <rth@redhat.com>
2022 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2023 use it if reload_completed.
2024 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2025 arm_output_asm_insn, arm_process_output_memory_barrier,
2026 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2027 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2028 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2029 arm_process_output_sync_insn, arm_output_sync_insn,
2030 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2031 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2032 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2033 (emit_unlikely_jump): New.
2034 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2035 (arm_split_atomic_op): New.
2036 * config/arm/arm-protos.h: Update.
2037 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2038 (struct arm_sync_generator): Remove.
2039 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2040 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2041 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2042 (VUNSPEC_LL, VUNSPEC_SC): New.
2043 (sync_result, sync_memory, sync_required_value, sync_new_value,
2044 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2045 (attr length): Don't use arm_sync_loop_insns.
2046 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2047 (movsfcc, movdfcc): Likewise.
2048 * config/arm/constraints.md (Ua): New.
2049 * config/arm/prediates.md (mem_noofs_operand): New.
2050 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2051 (sync_clobber, sync_t2_reqd): Remove.
2052 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2053 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2054 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2055 (arm_sync_compare_and_swap<SIDI>): Remove.
2056 (arm_sync_compare_and_swap<NARROW>): Remove.
2057 (arm_sync_lock_test_and_set<SIDI>): Remove.
2058 (arm_sync_lock_test_and_set<NARROW>): Remove.
2059 (arm_sync_new_<syncop><SIDI>): Remove.
2060 (arm_sync_new_<syncop><NARROW>): Remove.
2061 (arm_sync_new_nand<SIDI>): Remove.
2062 (arm_sync_new_nand<NARROW>): Remove.
2063 (arm_sync_old_<syncop><SIDI>): Remove.
2064 (arm_sync_old_<syncop><NARROW>): Remove.
2065 (arm_sync_old_nand<SIDI>): Remove.
2066 (arm_sync_old_nand<NARROW>): Remove.
2067 (*memory_barrier): Merge arm_output_memory_barrier.
2068 (atomic_compare_and_swap<QHSD>): New.
2069 (atomic_compare_and_swap<NARROW>_1): New.
2070 (atomic_compare_and_swap<SIDI>_1): New.
2071 (atomic_exchange<QHSD>): New.
2072 (cas_cmp_operand, cas_cmp_str): New.
2073 (atomic_op_operand, atomic_op_str): New.
2074 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2075 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2076 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2077 (arm_load_exclusive<NARROW>): New.
2078 (arm_load_exclusivesi, arm_load_exclusivedi): New.
2079 (arm_store_exclusive<QHSD>): New.
2081 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2083 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2084 reload patterns if -mvsx-scalar-memory.
2086 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2087 generated, even -mno-vsx-scalar-double was used.
2088 (vsx_xscvdpsp_scalar): Likewise.
2089 (vsx_xscvspdp_scalar2): Likewise.
2091 2012-01-09 Tom de Vries <tom@codesourcery.com>
2092 Andrew Pinski <apinski@cavium.com>
2095 * reorg.c (fill_slots_from_thread): Don't speculate
2096 frame-related insns.
2098 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
2100 * sched-int.h (bb_note): Move to...
2101 * basic-block.h: ...here.
2102 * haifa-sched.c (bb_note): Move to...
2103 * cfgrtl.c: ...here.
2104 * function.c (next_block_for_reg): New function.
2105 (move_insn_for_shrink_wrap): Likewise.
2106 (prepare_shrink_wrap): Rewrite to use the above.
2108 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
2110 * gimple.c (is_gimple_non_addressable): Remove.
2111 * gimple.h: Remove is_gimple_non_addressable.
2112 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2113 is_gimple_non_addressable.
2114 * trans-mem.c (expand_assign_tm): Same.
2116 2012-01-09 Richard Guenther <rguenther@suse.de>
2118 PR tree-optimization/51775
2119 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2120 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2122 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2124 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2126 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2128 2012-01-09 Richard Guenther <rguenther@suse.de>
2130 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2132 2012-01-08 Jan Hubicka <jh@suse.cz>
2134 PR tree-optimize/51680
2135 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2136 on when known_vals needs to be computed; cleanup.
2138 2012-01-08 Jan Hubicka <jh@suse.cz>
2140 PR tree-optimize/51694
2141 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2143 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
2145 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2146 for -std=c++98 and -std=c++11 too.
2148 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
2150 * cfgloop.c (cancel_loop): Add free() of bbs array.
2152 2012-01-07 Jan Hubicka <jh@suse.cz>
2154 PR tree-optimization/51600
2155 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2156 that benefits small functions.
2158 2012-01-07 Jan Hubicka <jh@suse.cz>
2160 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2162 2012-01-07 Jan Hubicka <jh@suse.cz>
2164 PR tree-optimization/51680
2165 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2166 whose inlining reduce unit size.
2168 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2171 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2172 Add canonical node to containing_mem chain after the non-canonical
2173 one, even if there weren't any locs to propagate.
2174 (remove_useless_values): Keep only canonical values.
2175 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2176 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2177 canonicalize mem_chain elements that are not discarded.
2179 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2182 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2183 before emitting functions.
2185 PR gcov-profile/50127
2186 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2187 clear_aux_for_blocks.
2189 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
2192 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2194 2012-01-06 Arnaud Charlet <charlet@adacore.com>
2196 * c-decl.c (ext_block): Moved up.
2197 (collect_all_refs, for_each_global_decl): Take ext_block into account.
2199 2012-01-06 Han Shen <shenhan@google.com>
2201 Translate built-in include paths for sysroot.
2202 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2203 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2205 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2206 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2208 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2209 control whether sysroot should be prepended to gxx include dir.
2211 * configure: Regenerate.
2213 2012-01-06 Torvald Riegel <triegel@redhat.com>
2215 PR rtl-optimization/51771
2216 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2217 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2219 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2221 PR tree-optimization/51315
2222 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2223 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2225 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
2228 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2229 for shrp pattern. Correctly handle and fixup shift variable.
2230 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2232 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2235 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2236 note when !ACCUMULATE_OUTGOING_ARGS.
2238 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2240 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2242 (extract_range_from_unary_expr_1): Avoid useless computations.
2244 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2246 PR rtl-optimization/51767
2247 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2248 of jump_block and add an extra edge for degenerated asm gotos.
2251 * stmt.c (check_unique_operand_names): Don't ICE during error
2252 reporting if i is from labels chain.
2255 * profile.c (branch_prob): Split bbs that have exit edge
2256 and need a fake entry edge too.
2258 2012-01-05 Jan Hubicka <jh@suse.cz>
2261 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2264 2012-01-05 Richard Guenther <rguenther@suse.de>
2267 * tree-streamer-out.c (write_ts_optimization): New function.
2268 (streamer_write_tree_body): Call it.
2269 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2270 (streamer_read_tree_body): Call it.
2271 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2273 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2276 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2277 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2278 in_cleanup_point_expr before gimplify_stmt call and restore it
2280 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2281 in_cleanup_point_expr is false.
2283 2012-01-05 Richard Guenther <rguenther@suse.de>
2286 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2288 * toplev.c (process_options): Reject combining mudflap and LTO.
2289 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2291 2012-01-05 Richard Guenther <rguenther@suse.de>
2293 PR tree-optimization/51760
2294 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2296 (bit_value_unop): Handle UNDEFINED operands.
2297 (bit_value_binop): Likewise.
2299 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2301 * config/avr/avr.c (avr_replace_prefix): Remove.
2302 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2303 (avr_asm_function_rodata_section): Ditto.
2304 (avr_asm_select_section): Ditto.
2306 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2308 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2311 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2314 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2315 calls that have any non-fake successor edges.
2318 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2320 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2322 PR tree-optimization/51624
2323 * tree-sra.c (build_ref_for_model): When replicating a chain of
2324 COMPONENT_REFs, stop as soon as the offset would become negative.
2326 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2329 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2330 in .debug_loc on the floor.
2332 2012-01-04 Andrew Pinski <apinski@cavium.com>
2334 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2336 2012-01-04 Andrew Pinski <apinski@cavium.com>
2337 Adam Nemet <anemet@caviumnetworks.com>
2339 * config/mips/mips.md (size): Add SI and DI.
2340 (SIZE): New mode attribute.
2341 (U): New code attribute.
2342 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2343 (mips_lbux_<mode>): Delete.
2344 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2345 (mips_lhx): Use gen_mips_lhx_extsi.
2346 (mips_lhx_<mode>): Delete.
2348 (mips_l<size>x): New expand.
2349 (mips_lwx_<mode>): Delete.
2350 (mips_l<GPR:size>x_<P:mode>): New pattern.
2351 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2352 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2353 * config/mips/mips.c (mips_lx_address_p): New function.
2354 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2355 (dsp64): New availability predicate.
2356 (mips_builtins): Add an entry for __builtin_mips_ldx.
2357 * config/mips/mips.h (ISA_HAS_LBX): New define.
2358 (ISA_HAS_LBUX): Likewise.
2359 (ISA_HAS_LHX): Likewise.
2360 (ISA_HAS_LHUX): Likewise.
2361 (ISA_HAS_LWX): Likewise.
2362 (ISA_HAS_LWUX): Likewise.
2363 (ISA_HAS_LDX): Likewise.
2364 * doc/extend.texi (__builtin_mips_ldx): Document.
2366 2012-01-04 Tristan Gingold <gingold@adacore.com>
2368 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2369 when long pointers are used.
2370 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2371 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2372 (ia64-hp-*vms*): Remove.
2373 * config/vms/xm-vms64.h: Delete.
2375 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2378 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2380 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2382 * opts.c (finish_options): Remove duplicate sorry.
2384 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2387 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2390 2012-01-04 Richard Guenther <rguenther@suse.de>
2393 * tree.c (size_low_cst): New function.
2394 * tree.h (size_low_cst): Declare.
2395 * fold-const.c (fold_comparison): Use it to extract the low
2396 part of the POINTER_PLUS_EXPR offset.
2398 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2400 Fix clearing ZERO_REG
2401 * config/avr/avr.md (cc): Add alternative "ldi".
2402 (movqi_insn): Use it in cc attribute.
2403 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2404 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2405 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2407 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2409 * configure: Regenerate.
2411 2012-01-04 Richard Guenther <rguenther@suse.de>
2413 PR tree-optimization/49651
2414 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2415 (var_can_have_subvars): Use it.
2416 (get_constraint_for_1): Only consider subfields if there can be any.
2418 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2421 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2422 to its new canonical_cselib_val and the cselib_val was in
2423 first_containing_mem chain, but the canonical_cselib_val was not,
2424 add the latter into the chain.
2425 (cselib_invalidate_mem): Compare canonical_cselib_val of
2426 addr_list chain elt with v.
2429 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2430 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2432 (output_macinfo_op): Don't ggc_strdup fd->filename.
2433 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2434 then ggc_strdup it. Don't free inc->info or cur->info.
2435 (output_macinfo): Don't free ref->info or file->info.
2437 2012-01-03 Ira Rosen <irar@il.ibm.com>
2439 PR tree-optimization/51269
2440 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2441 first_niters a pointer.
2442 (slpeel_tree_peel_loop_to_edge): Likewise.
2443 (vect_do_peeling_for_loop_bound): Update call to
2444 slpeel_tree_peel_loop_to_edge.
2445 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2446 here. Remove it from the parameters list.
2447 (vect_do_peeling_for_alignment): Update calls and compute
2450 2012-01-03 Richard Guenther <rguenther@suse.de>
2452 PR tree-optimization/51070
2453 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2454 Properly handle calls.
2456 2012-01-03 Richard Guenther <rguenther@suse.de>
2458 PR tree-optimization/51692
2459 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2460 the LHS of allocation stmts.
2462 2012-01-03 Olivier Hainque <hainque@adacore.com>
2464 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2466 2012-01-03 Olivier Hainque <hainque@adacore.com>
2468 * collect2.c (main): In AIX specific computations for vector
2469 insertions, use CONST_CAST2 to cast from char ** to const char **.
2471 2012-01-03 Richard Guenther <rguenther@suse.de>
2474 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2475 the context of a limbo DIE when it does not already exist.
2477 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2479 PR tree-optimization/51719
2480 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2481 but direct call is, clear direct call's lhs and don't add fallthrough
2482 edge from dcall_bb to join_bb and PHIs.
2484 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2486 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2487 the instructions emitted by the pattern.
2488 ("*TDC_insn_<mode>"): Add comment.
2490 2012-01-03 Richard Guenther <rguenther@suse.de>
2493 * fold-const.c (fold_comparison): Properly canonicalize
2494 tree offset and HOST_WIDE_INT bit position.
2496 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2498 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2499 operands for extzv pattern.
2501 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2504 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2507 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2509 * doc/invoke.texi (-flto and related options): Copy-edit.
2511 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2513 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2515 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2517 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2520 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2522 * expr.h (move_by_pieces_ninsns): Declare.
2523 * expr.c (move_by_pieces_ninsns): Make external.
2524 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2525 (mips_store_by_pieces_p): Likewise.
2526 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2527 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2528 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2529 (mips_store_by_pieces_p): Likewise.
2531 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2533 * passes.c (register_one_dump_file): Free full_name.
2535 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2536 (calculate_elim_costs_all_insns): Free offsets_at and
2537 offsets_known_at at the end and clear the pointers.
2539 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2541 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2542 this option introduced in r180739.
2544 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2547 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2548 (tmake_file target=avr): Add avr/t-multilib.
2550 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2551 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2552 * config/avr/genmultilib.awk: New file.
2553 * config/avr/t-multilib: New auto-generated file.
2554 * config/avr/multilib.h: New auto-generated file.
2555 * config/avr/t-avr (AVR_MCUS): New variable.
2556 (genopt.sh): Use it.
2557 (s-mlib): Depend on t-multilib.
2558 (t-multilib, multilib.h): New dependencies.
2559 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2560 (MULTILIB_OPTIONS): Remove.
2561 (MULTILIB_MATCHES): Remove.
2562 (MULTILIB_DIRNAMES): Remove.
2563 (MULTILIB_EXCEPTIONS): Remove:
2564 * config/avr/genopt.sh: Don't use hard coded file name;
2565 pass AVR_MCUS from t-avr instead.
2567 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2569 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2571 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2573 Implement light-weight DImode support.
2574 * config/avr/avr-dimode.md: New file.
2575 * config/avr/avr.md: Include it.
2576 (adjust_len): Add plus64, compare64.
2577 (HIDI): Remove code iterator.
2578 (code_stdname): New code attribute.
2579 (rotx, rotsmode): Remove DI.
2580 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2582 * config/avr/avr-protos.h (avr_have_dimode): New.
2583 (avr_out_plus64, avr_out_compare64): New.
2584 * config/avr/avr.c (avr_out_compare): Handle DImode.
2585 (avr_have_dimode): New variable definition and initialization.
2586 (avr_out_compare64, avr_out_plus64): New functions.
2587 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2588 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2589 (avr_compare_pattern): Skip DImode comparisons.
2591 2012-01-02 Revital Eres <revital.eres@linaro.org>
2593 * ddg.c (def_has_ccmode_p): New function.
2594 (add_cross_iteration_register_deps,
2595 create_ddg_dep_from_intra_loop_link): Call it.
2597 2012-01-02 Richard Guenther <rguenther@suse.de>
2600 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2602 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2604 * gcc.c (process_command): Update copyright notice dates.
2605 * gcov.c (print_version): Likewise.
2606 * gcov-dump.c (print_version): Likewise.
2607 * mips-tfile.c (main): Likewise.
2608 * mips-tdump.c (main): Likewise.
2610 2012-01-01 Ira Rosen <irar@il.ibm.com>
2612 PR tree-optimization/51704
2613 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2614 a use is inside the basic block or loop before accessing its vect info.
2616 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2618 PR rtl-optimization/51069
2619 * cfgloopmanip.c (remove_path): Removing path making irreducible
2620 region unconditional makes BB part of the region.
2622 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2624 PR tree-optimization/51683
2625 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2626 calls with side-effects.
2627 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2629 Copyright (C) 2012 Free Software Foundation, Inc.
2631 Copying and distribution of this file, with or without modification,
2632 are permitted in any medium without royalty provided the copyright
2633 notice and this notice are preserved.
projects / gcc.git / blob