1 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
2 Anatoly Sokolov <aesok@post.ru>
3 Eric Weddington <eric.weddington@atmel.com>
6 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
7 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
8 Rewrite initializers for .macro.
9 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
10 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
11 atxmega32d4, atxmega32x1.
12 avrxmega4: atxmega64a3, atxmega64d3.
13 avrxmega5: atxmega64a1, atxmega64a1u.
14 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
15 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
16 avrxmega7: atxmega128a1, atxmega128a1u.
17 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
18 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
19 (struct base_arch_s): Rename reserved to xmega_p.
20 Rename reserved2 to have_rampd.
21 (AVR_XMEGA): New define.
22 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
23 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
24 * config/avr/predicates.md (io_address_operand): Take into
26 (low_io_address_operand): Ditto.
27 (high_io_address_operand): Ditto.
28 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
29 (enabled, movhi_sp_r): Use them.
30 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
31 cpp_define_formatted to built-in define __AVR_ARCH__.
32 (__AVR_XMEGA__): New built-in define.
33 (__AVR_HAVE_RAMPD__): New built-in define.
34 (__AVR_HAVE_RAMPX__): New built-in define.
35 (__AVR_HAVE_RAMPY__): New built-in define.
36 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
38 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
39 (avr_option_override): Initialize them.
40 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
41 (avr_init_expanders): Initialize them. No more block several calls.
42 (emit_push_sfr): New static function.
43 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
45 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
46 (avr_print_operand): Print addreeses as symbols for
47 RAMPX, RAMPY, RAMPD, CCP.
48 (output_movhi): Handle AVR_XMEGA when writing to SP.
49 (avr_out_movhi_mr_r_xmega): New static function.
50 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
51 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
52 __RAMPD__, __CCP__ as needed.
54 * config/avr/multilib.h: Regenerate.
55 * config/avr/t-multilib: Regenerate.
56 * config/avr/avr-tables.opt: Regenerate.
58 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
60 PR tree-optimization/50561
61 * graphite-flattening.c (lst_project_loop): Do not
62 remove old scattering dimensions after flattening.
63 (lst_do_flatten): Likewise.
65 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
67 * doc/extend.texi (AVR Built-in Functions): Remove doc for
68 __builtin_avr_map8, __builtin_avr_map16.
69 Document __builtin_avr_insert_bits.
71 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
72 (insert_bits): New insn.
73 (adjust_len.map_bits): Rename to insert_bits.
74 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
75 * avr-protos.h (avr_out_map_bits): Remove.
76 (avr_out_insert_bits, avr_has_nibble_0xf): New.
77 * config/avr/constraints.md (Cxf,C0f): New.
78 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
79 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
80 New built-in define __BUILTIN_AVR_INSERT_BITS.
81 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
82 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
83 (avr_move_bits): Rewrite.
84 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
86 (avr_map_op_t): New typedef.
87 (avr_map_op): New static variable.
88 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
89 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
90 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
91 (bdesc_3arg, avr_expand_triop_builtin): New.
92 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
93 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
94 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
95 (avr_map_equal_p, avr_map_sig_p): Remove.
96 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
97 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
98 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
99 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
100 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
101 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
103 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
105 * config/c6x/c6x.md (reserve_cycles): New attribute.
106 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
107 don't reserve functional units after the branch occurs.
109 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
112 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
113 functions into non-tm_pure functions.
115 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
118 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
119 (iterative_hash_canonical_type): Likewise.
120 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
123 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
125 * haifa-sched.c (prune_ready_list): Ensure that if there is a
126 sched-group insn, it either remains alone or the entire list is
129 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
131 * doc/install.texi (Prerequisites): Fix grammar.
132 (Configuration): Likewise.
134 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
136 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
137 MPC as part of GCC before describing configuring with --with-gmp etc.
138 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
141 2012-02-14 Jakub Jelinek <jakub@redhat.com>
144 * dwarf2out.c (clone_tree_hash): New function.
145 (copy_decls_walk): Use it instead of clone_tree.
147 2012-02-14 Richard Guenther <rguenther@suse.de>
149 PR tree-optimization/52244
150 PR tree-optimization/51528
151 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
152 replacements for integral types.
154 2012-02-14 Walter Lee <walt@tilera.com>
156 * config.gcc: Handle tilegx and tilepro.
157 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
159 Add HAVE_AS_TLS check for tilegx and tilepro.
160 * configure: Regenerate.
161 * doc/contrib.texi: Add Mat Hostetter and self.
162 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
163 Document instruction intrinsics and network accessing intrinsics.
164 (TILEPro Built-in Functions): New node. Document instruction
165 intrinsics and network accessing intrinsics.
166 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
167 (Specific, tilepro-*-linux*): Likewise.
168 * doc/invoke.texi (TILE-Gx Options): New section.
169 (TILEPro Options): New section.
170 * doc/md.texi (TILE-Gx): New section.
171 (TILEPro): New section.
172 * common/config/tilegx/tilegx-common.c: New file.
173 * common/config/tilepro/tilepro-common.c: New file.
174 * config/tilegx/constraints.md: New file.
175 * config/tilegx/linux.h: New file.
176 * config/tilegx/mul-tables.c: New file.
177 * config/tilegx/predicates.md: New file.
178 * config/tilegx/sync.md: New file.
179 * config/tilegx/t-tilegx: New file.
180 * config/tilegx/tilegx-builtins.h: New file.
181 * config/tilegx/tilegx-c.c: New file.
182 * config/tilegx/tilegx-generic.md: New file.
183 * config/tilegx/tilegx-modes.def: New file.
184 * config/tilegx/tilegx-multiply.h: New file.
185 * config/tilegx/tilegx-protos.h: New file.
186 * config/tilegx/tilegx.c: New file.
187 * config/tilegx/tilegx.h: New file.
188 * config/tilegx/tilegx.md: New file.
189 * config/tilegx/tilegx.opt: New file.
190 * config/tilepro/constraints.md: New file.
191 * config/tilepro/gen-mul-tables.cc: New file.
192 * config/tilepro/linux.h: New file.
193 * config/tilepro/mul-tables.c: New file.
194 * config/tilepro/predicates.md: New file.
195 * config/tilepro/t-tilepro: New file.
196 * config/tilepro/tilepro-builtins.h: New file.
197 * config/tilepro/tilepro-c.c: New file.
198 * config/tilepro/tilepro-generic.md: New file.
199 * config/tilepro/tilepro-modes.def: New file.
200 * config/tilepro/tilepro-multiply.h: New file.
201 * config/tilepro/tilepro-protos.h: New file.
202 * config/tilepro/tilepro.c: New file.
203 * config/tilepro/tilepro.h: New file.
204 * config/tilepro/tilepro.md: New file.
205 * config/tilepro/tilepro.opt: New file.
207 2012-02-14 Jakub Jelinek <jakub@redhat.com>
209 PR tree-optimization/52210
210 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
211 vect_model_simple_cost with two entry vect_def_type array instead
214 2012-02-14 Richard Guenther <rguenther@suse.de>
217 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
218 Do not stream DECL_QUALIFIER.
219 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
220 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
221 (find_decls_types_r): Do not walk DECL_QUALIFIER.
223 2012-02-14 Jakub Jelinek <jakub@redhat.com>
226 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
229 2012-02-13 Jakub Jelinek <jakub@redhat.com>
232 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
233 * cselib.c (cselib_subst_to_values_from_insn): New function.
234 * sched-deps.c (add_insn_mem_dependence,
235 sched_analyze_1, sched_analyze_2): Use it.
237 2012-02-13 Jan Hubicka <jh@suse.cz>
240 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
242 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
244 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
245 (GTM_SELF_SPECS): Define if not already defined.
246 (driver_self_specs): Add GTM_SELF_SPECS.
247 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
248 (GTM_SELF_SPECS): Define.
249 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
250 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
252 2012-02-13 Jakub Jelinek <jakub@redhat.com>
254 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
257 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is
261 * omp-low.c (expand_omp_for): If a static schedule without
262 chunk size has NULL region->cont, force fd.chunk_size to be
265 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
268 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
270 2012-02-13 Richard Guenther <rguenther@suse.de>
273 * passes.c (enable_disable_pass): Fix typo.
275 2012-02-13 Jakub Jelinek <jakub@redhat.com>
278 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
279 XOR for reduce_bit_field if type is unsigned.
281 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
283 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
284 disallow changes from SFmode to mode with different size in FP regs.
286 2012-02-12 Robert Millan <rmh@gnu.org>
287 Gerald Pfeifer <gerald@pfeifer.com>
289 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
292 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
294 PR rtl-optimization/52175
295 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
296 to frame-related instructions.
298 2012-02-10 Jason Merrill <jason@redhat.com>
301 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
302 (demangle_new_symbols): Fill it.
303 (scan_linker_output): Walk it.
304 (start_tweaking): Split out from scan_linker_output.
305 (maybe_tweak): Update sym->chosen.
306 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
308 2012-02-11 Jakub Jelinek <jakub@redhat.com>
311 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
314 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
316 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
317 having the same mode as previous compare.
319 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
321 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
322 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
323 (nonlocal_goto_internal): Likewise.
324 (nonlocal_goto): Emit a use and an indirect jump directly.
326 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
329 * doc/extend.texi : Update comments for __atomic_compare_exchange and
330 __atomic_{is,always}_lock_free.
332 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
335 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
336 negative constant address for x32.
338 2012-02-10 Richard Henderson <rth@redhat.com>
340 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
341 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
342 for GIMPLE_TRANSACTION. Tidy if's into a switch.
344 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
345 Ira Rosen <irar@il.ibm.com>
347 PR tree-optimization/50031
348 * targhooks.c (default_builtin_vectorization_cost): Handle
350 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
351 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
352 all types of reduction and pattern statements.
353 (vect_estimate_min_profitable_iters): Likewise.
354 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
355 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
356 for explicit realigns.
357 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
358 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
360 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
361 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
362 vec_perm for VSX and handle vec_promote_demote.
364 2012-02-10 Jakub Jelinek <jakub@redhat.com>
367 * builtins.c (fold_builtin_atomic_always_lock_free,
368 expand_builtin_atomic_always_lock_free,
369 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
370 Return and/or test boolean_true_node/boolean_false_node instead of
371 integer_one_node/integer_zero_node.
373 2012-02-10 Jan Hubicka <jh@suse.cz>
376 * predict.c (predict_paths_for_bb): Prevent looping.
377 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
379 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
381 * config/arm/arm.c (output_move_double): In one case properly
382 count number of instructions that will be emitted.
384 2012-02-10 Richard Guenther <rguenther@suse.de>
387 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
389 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
392 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
394 2012-02-09 Jakub Jelinek <jakub@redhat.com>
397 * var-tracking.c (emit_note_insn_var_location): If
398 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
399 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
400 non-NOTE_DURING_CALL_P insn.
402 2012-02-09 Bin Cheng <bin.cheng@arm.com>
405 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
407 2012-02-08 Magnus Granberg <zorry@gentoo.org>
410 * gcc.c (switch_matches) Support switches with separated form,
413 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
415 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
418 * config/avr/avr.c (avr_addr_t): New typedef.
419 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
420 (avr_init_expanders): Initialize it.
421 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
423 (expand_epilogue): Ditto.
424 (avr_print_operand): Ditto.
425 (avr_file_start): Ditto.
426 (avr_emit_movmemhi): Ditto.
428 2012-02-08 Richard Guenther <rguenther@suse.de>
430 PR tree-optimization/46886
431 * tree-flow.h (do_while_loop_p): Declare.
432 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
433 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
435 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
437 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
438 always succeed for integers larger than a native word.
440 2012-02-08 Richard Guenther <rguenther@suse.de>
442 PR rtl-optimization/52170
443 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
444 properly handle integer vector modes.
446 2012-02-08 Jakub Jelinek <jakub@redhat.com>
448 PR gcov-profile/52150
449 * coverage.c: Include target.h.
450 (build_var): Call targetm.strip_name_encoding on the assembler name.
451 Change one _ into . or $ if the target allows it.
452 * Makefile.in (coverage.o): Depend on $(TARGET_H).
454 PR rtl-optimization/52139
455 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
456 is a BARRIER after emit_insn_after_noloc, move BB_END
457 to the last non-BARRIER insn before it.
459 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
462 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
463 (mips_gimplify_va_arg_expr): Call it instead of
464 std_gimplify_va_arg_expr.
466 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
468 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
469 message for -mno-pointers-to-nested-function.
471 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
474 * expr.c (get_inner_reference): If there is an offset, add a negative
475 bit position to it (if any).
477 2012-02-07 Jakub Jelinek <jakub@redhat.com>
479 PR rtl-optimization/52060
480 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
481 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
482 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
483 and/or i0src_copy2 when needed.
485 2012-02-07 Jakub Jelinek <jakub@redhat.com>
487 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
488 or LTOPLUGINSONAME if have_c.
490 * config/freebsd-spec.h: Add comment about what macros can be defined
492 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
493 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
496 2012-02-07 Richard Guenther <rguenther@suse.de>
498 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
499 newline in -alias dumps.
501 2012-02-07 Kai Tietz <ktietz@redhat.com>
502 Dave Korn <dave.korn.cygwin@gmail.com>
505 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
506 Take care that typinfo gets dllexport-attribute.
508 2012-02-07 Jakub Jelinek <jakub@redhat.com>
511 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
512 if modifier < EXPAND_SUM call force_operand on the result.
514 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
516 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
517 adding __forwarder_dst__ prefix if a forwarder_section attribute is
519 (epiphany_function_type): Replace types for specific interrupts with
520 EPIPHANY_FUNCTION_INTERRUPT.
521 (EPIPHANY_INTERRUPT_P): Update.
522 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
524 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
525 <disinterrupt>: Affects type identity.
526 (epiphany_handle_interrupt_attribute): Handle variable number of
528 (epiphany_compute_function_type): Update for new
529 epiphany_function_type definition.
530 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
531 handlers with a longcall forwarder.
532 (epiphany_start_function): Handle multiple interrupt arguments and/or
533 forwarder_section attribute.
535 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
538 2012-02-07 Alan Modra <amodra@gmail.com>
541 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
544 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
546 PR tree-optimization/50969
547 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
548 use vec_perm rather than vector_stmt.
549 (vect_model_load_cost): Likewise.
550 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
551 vec_perm to be the same as other vector statements.
552 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
553 cost of vec_perm for TARGET_VSX.
555 2012-02-06 Richard Guenther <rguenther@suse.de>
557 PR tree-optimization/52115
558 * tree-sra.c (access_has_replacements_p): New function.
559 (sra_modify_assign): Use it to decide whether a use is uninitialized.
561 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
564 * trans-mem.c (expand_call_tm): Add an assertion.
565 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
568 2012-02-06 Richard Guenther <rguenther@suse.de>
570 PR tree-optimization/50955
571 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
572 raise cost of expressions that replace an address with an
573 expression based on a different pointer.
575 2012-02-06 Jakub Jelinek <jakub@redhat.com>
578 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
579 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
581 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
584 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
585 -Weffc++ and specify guidelines come from second edition.
587 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
589 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
590 (sibcall_value_multiple_internal, call_split, call_internal_direct)
591 (call_direct_split, call_value_split, call_value_internal_direct)
592 (call_value_direct_split, call_value_multiple_split): Use jal and
593 jal_macro attributes.
595 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
597 * reload1.c (reload_regs_reach_end_p): Replace with...
598 (reload_reg_rtx_reaches_end_p): ...this function.
599 (new_spill_reg_store): Update commentary.
600 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
601 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
602 before setting new_spill_reg_store.
603 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
604 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
605 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
606 for non-spill reload registers.
608 2012-02-05 Ira Rosen <irar@il.ibm.com>
610 PR tree-optimization/52091
611 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
612 (vect_is_simple_use_1): Likewise.
613 * tree-vect-loop.c (vectorizable_reduction): Update calls
614 to vect_is_simple_use_1 and vect_is_simple_use.
615 (vectorizable_live_operation): Likewise.
616 * tree-vect-patterns.c (widened_name_p,
617 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
618 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
619 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
620 vectorizable_shift,vectorizable_operation, vectorizable_store,
621 vectorizable_load): Likewise.
622 (vect_is_simple_cond): Add an argument, pass it to
623 vect_is_simple_use_1.
624 (vectorizable_condition): Update calls to vect_is_simple_cond,
626 (vect_is_simple_use): Add an argument, the statement in which
627 OPERAND is used. Check that if OPERAND's def stmt is a double
628 reduction phi node, the use is a phi node too.
629 (vect_is_simple_use_1): Add an argument, pass it to
631 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
632 to vect_is_simple_use.
634 2012-02-04 Jakub Jelinek <jakub@redhat.com>
636 PR rtl-optimization/52095
637 * modulo-sched.c (dump_insn_locator): New function.
638 (loop_canon_p, sms_schedule): Use it.
640 PR rtl-optimization/52113
641 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
642 even for decomposable shift/zext insns.
644 2012-02-03 Jakub Jelinek <jakub@redhat.com>
645 Zdenek Dvorak <ook@ucw.cz>
647 PR rtl-optimization/52092
648 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
649 on get_iv_value result.
651 2012-02-02 Andrew Pinski <apinski@cavium.com>
655 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
657 2012-02-02 Jakub Jelinek <jakub@redhat.com>
660 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
662 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
664 PR rtl-optimization/49800
665 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
666 (sched_finish): Call regstat_free_n_sets_and_refs.
668 2012-02-02 Jia Liu <proljc@gmail.com>
670 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
673 2012-02-02 Jan Hubicka <jh@suse.cz>
674 Tom de Vries <tom@codesourcery.com>
677 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
678 * varpool.c (varpool_analyze_pending_decls): Likewise.
680 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
681 Jayant R Sonar <jayant.sonar@kpitcummins.com>
683 * config.gcc: Add cr16-* support.
685 * doc/extend.texi: Document cr16 extensions.
686 * doc/install.texi: Document cr16 install.
687 * doc/invoke.texi: Document cr16 options.
688 * doc/md.texi: Document cr16 constraints.
690 * common/config/cr16/cr16-common.c: New file.
691 * config/cr16/cr16.c: New file.
692 * config/cr16/cr16.h: New file.
693 * config/cr16/cr16.md: New file.
694 * config/cr16/cr16.opt: New file.
695 * config/cr16/cr16-protos.h: New file.
696 * config/cr16/predicates.md: New file.
697 * config/cr16/constraints.md: New file.
698 * config/cr16/t-cr16: New file.
700 2012-02-02 Jakub Jelinek <jakub@redhat.com>
703 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
704 that operands[2] is either immediate, or q_regs_operand.
706 PR tree-optimization/52073
707 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
708 a pattern stmt for pattern uses, ignore uses outside of the loop.
710 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
712 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
713 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
714 (OUT_AS1, OUT_AS2): Remove.
716 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
718 PR rtl-optimization/51374
719 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
720 to cross other volatile_refs_p insns.
722 2012-02-01 Richard Guenther <rguenther@suse.de>
724 * doc/invoke.texi (fno-inline): Clarify documentation.
725 (finline-small-functions): Likewise.
726 (finline-functions): Likewise.
727 * common.opt (finline): Adjust comment and documentation.
728 (finline-small-functions): Clarify documentation.
729 (finline-functions): Likewise.
730 (finline-functions-called-once): Likewise.
732 2012-02-01 Tristan Gingold <gingold@adacore.com>
734 * c-typeck.c (composite_type): Keep mode for pointers.
736 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
738 * function.h (regno_reg_rtx): Adjust comment.
739 * reginfo.c (init_reg_modes_target): Only use the previous mode
740 if it fits within one register. Remove MIPS comment.
742 2012-01-31 Jakub Jelinek <jakub@redhat.com>
745 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
747 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
749 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
752 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
754 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
756 2012-01-31 Jakub Jelinek <jakub@redhat.com>
761 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
763 2012-01-31 Richard Guenther <rguenther@suse.de>
765 PR tree-optimization/51528
766 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
769 2012-01-31 Jakub Jelinek <jakub@redhat.com>
774 * ree.c (add_removable_extension): Change def_map argument
775 to unsigned *, store in def_map 1 + offset into *insn_list vector
776 instead of pointers into the vector.
777 (find_removable_extensions): Adjust caller.
779 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
781 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
782 Transform all "* quoted-c-code" to { c-code }.
783 Remove redundant test for "optimize" in combine patterns.
784 Move (include "avr-dimode.md") to end of file.
786 2012-01-30 Bin Cheng <bin.cheng@arm.com>
789 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
790 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
792 2012-01-30 Richard Guenther <rguenther@suse.de>
794 PR tree-optimization/52028
795 * tree-loop-distribution.c (ldist_gen): Properly update
798 2012-01-30 Jakub Jelinek <jakub@redhat.com>
801 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
802 set_cur_line_info_table if not emitting debug info.
804 PR tree-optimization/52046
805 * tree-vect-patterns.c (check_bool_pattern): Give up if
806 a comparison could throw.
809 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
811 2012-01-30 Richard Guenther <rguenther@suse.de>
813 PR tree-optimization/52045
814 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
815 SSA form if cfgcleanup did anything.
817 2012-01-30 Richard Guenther <rguenther@suse.de>
819 PR tree-optimization/52045
820 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
821 before computing final todo.
823 2012-01-30 Richard Guenther <rguenther@suse.de>
825 PR tree-optimization/51528
826 * tree-sra.c (sra_modify_assign): Re-factor in preparation
829 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
831 * df-problems.c (df_kill_notes): Check that the use refers
832 to the note under examination.
834 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
837 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
838 parameter and use short-lived pseudos.
839 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
840 (sparc_expand_vector_init): Const-ify local variables and adjust
841 calls to above functions.
843 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
845 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
847 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
849 * doc/invoke.texi: Make usage of "compile time" and
850 "run time"/"runtime" consistent throughout the file.
852 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
854 * config/alpha/alpha.c (alpha_option_override): Default to
855 full IEEE compliance mode for Go language.
857 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
859 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
860 (LINK_SSP_SPEC): Define.
862 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
865 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
868 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
870 * doc/invoke.texi: Correct hyphenation of "floating point",
871 "double precision", and related terminology throughout the file.
873 2012-01-28 Jakub Jelinek <jakub@redhat.com>
876 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
877 arm_general_register_operand predicate for operand 2 instead of
880 2012-01-27 Ian Lance Taylor <iant@google.com>
883 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
884 * builtins.c (expand_builtin_init_trampoline): Add onstack
885 parameter. Change caller.
886 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
887 * tree.c (build_common_builtin_nodes): Declare
888 __builtin_init_heap_trampoline.
890 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
892 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
893 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
894 * config/avr/avr.c: Ditto.
895 (avr_regnames): Remove because unused.
896 * config/avr/avr.md (*cpse.ne): New peephole.
897 (*cpse.eq): New peephole from former cpse peepholes.
899 2012-01-27 Michael Eager <eager@eagercon.com>
901 * config/microblaze.c (microblaze_emit_compare): Correct
902 test after pcmp instruction.
904 2012-01-27 Richard Guenther <rguenther@suse.de>
906 PR tree-optimization/52020
907 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
909 2012-01-27 Richard Guenther <rguenther@suse.de>
911 * ipa-pure-const.c (check_stmt): Clobbers do not make a
912 function non-const/pure.
914 2012-01-27 Richard Guenther <rguenther@suse.de>
916 PR tree-optimization/50444
917 * tree-sra.c (build_ref_for_offset): Properly adjust the
918 MEM_REF type for unaligned accesses.
920 2012-01-27 Richard Guenther <rguenther@suse.de>
922 PR tree-optimization/50444
923 * expr.c (mem_ref_refers_to_non_mem_p): New function.
924 (expand_assignment): Use it. Properly handle misaligned
925 bases when expanding stores to component references.
926 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
929 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
932 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
933 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
934 * tree-data-ref.c (find_data_references_in_loop): Make static.
935 (compute_all_dependences): Change return type to bool. Bail out
936 for too many datarefs in a loop. Move the hunk resetting the data
937 dependences vector from ...
938 (compute_data_dependences_for_loop): ... here. Account for
939 compute_all_dependences returning false.
940 (compute_data_dependences_for_bb): Likewise.
941 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
942 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
944 2012-01-27 Richard Guenther <rguenther@suse.de>
947 * expr.c (store_field): Use the alias-set of the scratch memory
950 2012-01-27 Tom de Vries <tom@codesourcery.com>
952 PR tree-optimization/51990
953 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
955 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
957 2012-01-27 Jakub Jelinek <jakub@redhat.com>
960 * var-tracking.c (reverse_op): Don't add any reverse operation
961 if V already has any constant locations.
963 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
965 * doc/invoke.texi: Correct usage of "command line" (noun)
966 vs "command-line" (adjective) throughout.
968 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
970 * doc/invoke.texi (Language Independent Options): Move
971 -Wcoverage-mismatch blurb from here....
972 (Warning Options): ...to here.
974 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
976 * config/rs6000/rs6000.c (rs6000_option_override_internal):
977 Set rs6000_always_hint to false for 476.
979 2012-01-27 Matthias Klose <doko@ubuntu.com>
981 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
983 * incpath.c (add_standard_paths): Likewise.
985 2012-01-27 Richard Henderson <rth@redhat.com>
987 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
988 * config/m68k/sync.md (atomic_test_and_set): Rename from
989 sync_test_and_setqi and adjust the operands.
990 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
991 and unconditionally enable.
993 2012-01-27 Richard Henderson <rth@redhat.com>
995 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
996 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
997 (ldstub): Rename from ldstubqi.
998 (ldstub<I24MODE>): Remove.
1000 2012-01-27 Richard Henderson <rth@redhat.com>
1002 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1003 * c-cppbuiltin.c (cpp_atomic_builtins): Define
1004 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1005 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1006 * doc/tm.texi: Rebuild.
1008 2012-01-27 Richard Henderson <rth@redhat.com>
1010 * optabs.c (gen_atomic_test_and_set): Remove default.
1011 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1013 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1015 PR rtl-optimization/51978
1016 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1017 (combine_reaching_defs): Likewise.
1018 (struct re_info): Remove.
1019 (add_removable_extension): Remove x and data arguments,
1020 add insn, insn_list and def_map. Use the arguments directly
1021 instead of using struct re_info.
1022 (find_removable_extensions): Don't call add_removable_extension
1023 through note_stores, instead just call it with single_set
1025 (find_and_remove_re): Pass curr_cand->expr instead of
1026 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1028 2012-01-26 Michael Matz <matz@suse.de>
1030 PR tree-optimization/46590
1031 * cfgexpand.c: Revert last change (r183305).
1032 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1034 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1035 checking for emptiness.
1037 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1040 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1041 non-addressable non-BLKmode base correctly.
1043 2012-01-26 Michael Matz <matz@suse.de>
1045 PR tree-optimization/48794
1046 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1047 regions referenced from RESX/EH_DISPATCH.
1049 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1051 * config/s390/s390.h: Make BRANCH_COST an option.
1052 * config/s390/s390.opt: New option -mbranch-cost.
1054 2012-01-26 Richard Henderson <rth@redhat.com>
1056 Revert 2012-01-24 change:
1057 * trans-mem.c (requires_barrier): Do not instrument thread local
1058 variables and emit save/restore for them.
1060 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1063 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1066 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
1068 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1071 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
1074 Rename __pgm to __flash.
1075 Rename __pgm1 to __flash1.
1076 Rename __pgm2 to __flash2.
1077 Rename __pgm3 to __flash3.
1078 Rename __pgm4 to __flash4.
1079 Rename __pgm5 to __flash5.
1080 Rename __pgmx to __memx.
1081 * doc/extend.texi (AVR Named Address Spaces)
1082 Rename address space names as indicated above.
1083 * config/avr/avr.c (avr_addrspace): Ditto.
1085 * config/avr/avr-protos.h
1086 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1087 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1088 * config/avr/predicates.md: Ditto.
1089 * config/avr/avr.c Ditto, and
1090 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1091 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1093 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1094 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1095 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1096 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1097 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1098 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1099 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1100 * config/avr/avr.c: Ditto.
1101 * config/avr/avr.md: Ditto.
1103 2012-01-25 Jason Merrill <jason@redhat.com>
1106 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1108 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1110 PR tree-optimization/51987
1111 * tree-data-ref.c (get_references_in_stmt): Handle references in
1112 non-volatile GIMPLE_ASM.
1114 2012-01-25 Richard Guenther <rguenther@suse.de>
1116 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1117 bases are dereferenced.
1119 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1121 PR rtl-optimization/48374
1122 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1124 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1126 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1127 compute_data_dependences_for_loop returns false.
1128 * tree-parloops.c (loop_parallel_p): Likewise.
1130 2012-01-25 Richard Guenther <rguenther@suse.de>
1132 * tree.h (get_pointer_alignment_1): Declare.
1133 * builtins.c (get_pointer_alignment_1): New function.
1134 (get_pointer_alignment): Use it.
1136 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1138 PR rtl-optimization/48308
1139 * combine.c (enum undo_kind): Add UNDO_LINKS.
1140 (struct undo): Add member l to other_contents and where.
1141 (do_SUBST_LINK): New.
1143 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1144 (undo_all): Handle UNDO_LINKS.
1146 2012-01-25 Richard Henderson <rth@redhat.com>
1148 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1151 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1153 * optabs.c (gen_atomic_test_and_set): Use each argument.
1155 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1157 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1158 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1159 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1160 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1161 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1162 TARGET_PAIRED_SINGLE_FLOAT.
1164 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1166 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1167 (in_struct, return_val): Remove MEM documentation.
1168 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1169 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1170 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1172 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1173 * cfgexpand.c (add_alias_set_conflicts): Likewise.
1174 * expr.c (store_field): Likewise.
1175 * function.c (assign_stack_temp_for_type): Likewise.
1176 * ifcvt.c (noce_try_cmove_arith): Likewise.
1177 * reload1.c (reload): Likewise.
1178 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1179 (alpha_set_memflags): Likewise.
1180 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1182 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1184 * rtl.h (true_dependence, canon_true_dependence): Remove varies
1186 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1187 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1188 (true_dependence_1, true_dependence, canon_true_dependence): Remove
1190 * cselib.c (cselib_rtx_varies_p): Delete.
1191 (cselib_invalidate_mem): Update call to canon_true_dependence.
1192 * dse.c (record_store, check_mem_read_rtx): Likewise.
1193 (scan_reads_nospill): Likewise.
1194 * cse.c (check_dependence): Likewise.
1195 (cse_rtx_varies_p): Delete.
1196 * expr.c (safe_from_p): Update call to true_dependence.
1197 * ira.c (validate_equiv_mem_from_store): Likewise.
1198 (memref_referenced_p): Likewise.
1199 * postreload-gcse.c (find_mem_conflicts): Likewise.
1200 * sched-deps.c (sched_analyze_2): Likewise.
1201 * store-motion.c (load_kills_store): Likewise.
1202 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1203 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1204 (compute_transp): Update call to canon_true_dependence.
1206 2012-01-25 Richard Henderson <rth@redhat.com>
1208 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1209 (maybe_emit_atomic_test_and_set): New.
1210 (expand_sync_lock_test_and_set): Use it.
1211 (expand_atomic_test_and_set): Likewise.
1212 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1213 the implementation; clarify implementation defined details.
1214 * doc/md.texi (atomic_test_and_set): Document.
1216 2012-01-25 Richard Henderson <rth@redhat.com>
1218 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1220 2012-01-25 Richard Henderson <rth@redhat.com>
1223 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1224 to effect no-op split.
1226 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1229 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1230 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1231 (BT_FN_VOID_PTR_INT_SIZE): New.
1232 (BT_FN_UINT_UINT_VAR): Remove.
1233 (BT_FN_UINT32_UINT32_VAR): New.
1234 (BT_FN_DOUBLE_VPTR): Remove.
1235 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1237 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1238 (_ITM_changeTransactionMode): Same.
1239 (_ITM_memmoveRtWt): Change return type to void.
1240 (_ITM_memcpyRtWt): Same.
1241 (_ITM_memsetW): Same.
1242 (_ITM_RaRD): Change types to double.
1247 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1249 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1250 Patrick Marlier <patrick.marlier@gmail.com>
1252 * trans-mem.c (requires_barrier): Do not instrument thread local
1253 variables and emit save/restore for them.
1255 2012-01-24 Jason Merrill <jason@redhat.com>
1258 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1259 output static aliases.
1261 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1264 * common.opt (-pie, -shared, pie, shared): Change from Common to
1266 * gcc.c (display_help): Display help for -pie and -shared.
1268 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1271 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1272 Remove note on size/offset limitation.
1273 (AVR Variable Attributes): Add example how to read data located
1274 with progmem. Refer to named address spaces.
1275 * doc/invoke.texi (AVR Options): Fix typo.
1277 2012-01-24 Richard Guenther <rguenther@suse.de>
1279 Forward-port to trunk
1280 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1283 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1284 op0 isn't sufficiently aligned and there is movmisalignM
1285 insn for mode, use it to load op0 into a temporary register.
1287 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1290 * target.def (const_not_ok_for_debug_p): New hook.
1291 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1293 * doc/tm.texi: Regenerated.
1294 * dwarf2out.c (const_ok_for_output_1): If
1295 targetm.const_not_ok_for_debug_p returns true, fail.
1296 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1298 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1300 2012-01-23 Kai Tietz <ktietz@redhat.com>
1303 * config/i386/predicates.md (symbolic_operand): Allow
1304 UNSPEC_PCREL as PIC expression for lea.
1305 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1306 * config/i386/i386.c (ix86_delegitimize_address): Handle
1307 UNSPEC_PCREL for none-MEM, too.
1309 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1311 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1312 (ipa_tm_create_version_alias): Same.
1314 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1317 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1318 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1320 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1321 Patrick Marlier <patrick.marlier@gmail.com>
1322 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1325 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1326 simple_object_start_read.
1328 2012-01-23 Richard Guenther <rguenther@suse.de>
1331 PR tree-optimization/51895
1332 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1333 parameter decomposition into BLKmode components.
1335 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1337 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1338 fake variables for restrict-qualified pointers whose pointed-to type
1339 contains a placeholder.
1341 2012-01-23 Richard Guenther <rguenther@suse.de>
1343 PR tree-optimization/51949
1344 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1346 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1348 PR rtl-optimization/51933
1349 * ree.c (transform_ifelse): Return true right away if dstreg is
1350 already wider or equal to cand->mode.
1351 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1352 (make_defs_and_copies_lists): Remove defs_list and copies_list
1353 arguments, add state argument, just truncate state->work_list
1354 instead of always allocating and freeing the vector. Assert that
1355 get_defs succeeds instead of returning 2. Changed return type to bool.
1356 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1357 have ext_src_mode, see if it has been modified already with the
1358 right kind of extension and has been extended before from the
1359 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1360 just return true. Remember the original mode in state->modified array.
1361 (combine_reaching_defs): Add state argument. Don't allocate and
1362 free here def_list, copied_list and vec vectors, instead just
1363 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1364 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1365 Add state variable, clear vectors in it, initialize state.modified
1366 if needed. Free all the vectors at the end and state.modified too.
1367 Don't skip a candidate if the extension expression has been modified.
1369 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1372 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1373 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1374 (extra_options) interix.opt -> i386/interix.opt"
1375 (extra_objs):Add winnt-stubs.o
1376 * configure.ac: Add interix to target_os .comm on PE check.
1377 * configure: Regenerate.
1378 * config/interix3.h: Delete and move bits to..
1379 * config/interix.h: Delete and move bits to..
1380 * config/i386/i386-interix3.h: Delete and move bits to..
1381 * config/i386/i386-interix.h: ..here.
1382 (TARGET_CPU_DEFAULT): Remove redefinition.
1383 (TARGET_ASM_CONSTRUCTOR): Undefine.
1384 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1385 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1386 (PTRDIFF_TYPE): Define.
1387 (LONG_DOUBLE_TYPE_SIZE): Define.
1388 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1389 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1390 (TARGET_SECTION_TYPE_FLAGS): Define.
1391 (ASM_DECLARE_FUNCTION_NAME): Define.
1392 (ASM_OUTPUT_EXTERNAL): Define.
1393 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1394 (ASM_OUTPUT_ALIGNED_BSS): Define.
1395 (PCC_BITFIELD_TYPE_MATTERS): Define.
1396 (USE_CONST_SECTION): Define.
1397 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1398 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1399 (SUPPORTS_ONE_ONLY): Remove.
1400 (I386_PE_STRIP_ENCODING): Define.
1401 * config/interix.opt: Delete and move bits to..
1402 * config/i386/interix.opt: ..here. New.
1403 (mpe-aligned-commons): Add.
1404 * config/i386/t-interix: Add copyright header.
1405 (winnt-stubs.o): Add rule.
1407 2012-01-22 Jason Merrill <jason@redhat.com>
1410 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1411 for extra name aliases.
1413 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1415 PR rtl-optimization/51924
1416 * ree.c (combine_set_extension): Improve debugging message.
1417 (combine_reaching_defs): Likewise.
1418 (get_defs): Rename confusingly named variable.
1419 (find_and_remove_re): Skip a candidate if the extension expression has
1422 2012-01-21 Robert Millan <rmh@gnu.org>
1423 Gerald Pfeifer <gerald@pfeifer.com>
1425 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1426 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1428 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1430 PR tree-optimization/51914
1431 * tree-vect-stmts.c (vectorizable_conversion): For
1432 cvt_type && modifier == WIDEN, put temporary with cvt_type
1433 at the beginning of vec_dsts and set vec_dest to temporary
1436 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1438 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1440 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1442 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1443 * config/rs6000/rs6000.c: Likewise.
1445 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1448 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1449 output_move_double on a copy of operands array.
1451 2012-01-20 Cary Coutant <ccoutant@google.com>
1452 Dodji Seketeli <dodji@redhat.com>
1455 * dwarf2out.c (copy_declaration_context): Return ref to parent
1456 of declaration DIE, if necessary.
1457 (remove_child_or_replace_with_skeleton): Add new parameter; update
1458 caller. Place skeleton DIE under parent DIE of original declaration.
1459 Move call to copy_declaration_context to here ...
1460 (break_out_comdat_types): ... from here.
1462 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1464 PR rtl-optimization/51856
1465 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1468 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1471 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1472 hints for neon loads and stores.
1474 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1478 * doc/extend.texi (Named Address Spaces): Split into subsections.
1479 (AVR Named Address Spaces): New subsection.
1480 (M32C Named Address Spaces): New subsection.
1481 (RL78 Named Address Spaces): New subsection.
1482 (SPU Named Address Spaces): New subsection.
1483 (Variable Attributes): New anchor "AVR Variable Attributes".
1484 (AVR Variable Attributes): Rewrite and avoid wording
1485 "address space" in this context.
1486 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1487 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1488 (AVR Built-in Macros): New subsubsection therein.
1489 * doc/md.texi (AVR constraints): Remove "C04", "R".
1491 2012-01-20 Richard Guenther <rguenther@suse.de>
1493 PR tree-optimization/51903
1494 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1495 when removing stmts.
1497 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1500 * config/arm/arm.c (arm_load_pic_register): Use
1501 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1502 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1503 (arm_pic_static_addr): Likewise.
1504 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1505 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1506 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1507 (pic_load_addr_unified): New.
1509 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1512 * function.c (instantiate_virtual_regs_in_insn): Use
1513 delete_insn_and_edges when removing a wrong asm insn.
1515 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1517 PR rtl-optimization/40761
1518 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1519 Add new member loop_num.
1520 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1521 (ira_build): Remove the parameter.
1523 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1524 (ira.c): Do not build CFG loops for one region allocation. Remove
1525 argument from ira_build call.
1527 * ira-build.c (init_loop_tree_node): New function.
1528 (create_loop_tree_nodes): Use it. Separate the case when CFG
1529 loops are not built.
1530 (more_one_region_p): Check current_loops.
1531 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1533 (add_loop_to_tree): Process loop equal to NULL too.
1534 (form_loop_tree): Separate the case when CFG loops are not built.
1535 Use explicitly number for the root.
1536 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1538 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1539 instead of loop->num.
1540 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1541 (mark_all_loops_for_removal): Ditto.
1542 (remove_unnecessary_regions): Separate the case when CFG loops
1544 (ira_build): Remove the parameter. Use explicit number of regions
1545 when CFG loops are not built.
1547 * ira-color.c (print_loop_title): Separate the case for the root node.
1548 Use loop_num instead of loop->num.
1549 (move_spill_restore): Use loop_num instead of loop->num.
1551 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1552 (change_loop): Ditto.
1553 (change_loop): Use loop_num instead of loop->num.
1555 * ira-lives.c (process_bb_node_lives): Ditto.
1557 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1559 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1561 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1564 * tree-mudflap.c (mf_artificial): New function.
1565 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1566 mx_register_decls, mudflap_enqueue_decl): Use it.
1569 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1570 numbers in the insn pattern.
1572 2012-01-19 Michael Matz <matz@suse.de>
1574 PR tree-optimization/46590
1575 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1576 use it in remembering which conflicts we already created.
1577 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1580 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1583 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1584 (merge_and_complain): Same.
1586 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1589 * config/initfini-array.h: Guard content of the header
1590 with #ifdef HAVE_INITFINI_ARRAY.
1591 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1592 Add initfini-array.h to tm_file here.
1593 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1594 * config.gcc: Don't add initfini-array.h to tm_file here.
1595 * configure: Regenerated.
1597 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1599 PR rtl-optimization/51505
1600 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1601 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1602 (df_note_bb_compute): Update the call to df_kill_notes.
1604 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1606 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1608 2012-01-18 Richard Guenther <rguenther@suse.de>
1610 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1611 of conversions to void *.
1613 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1614 Richard Sandiford <rdsandiford@googlemail.com>
1618 * optabs.h (simplify_expand_binop): Declare.
1619 * optabs.c (simplify_expand_binop): Make global.
1620 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1621 endian targets if the source cannot be exactly covered by word
1624 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1627 * hard-reg-set.h (struct hard_reg_set_container): New type.
1628 * target.h (struct hard_reg_set_container): Forward declare.
1629 * target.def (set_up_by_prologue): New target hook.
1630 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1631 * doc/tm.texi: Regenerated.
1632 * function.c (thread_prologue_and_epilogue_insns): Change
1633 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1634 Call targetm.set_up_by_prologue on it.
1635 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1636 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1638 2012-01-17 Nick Clifton <nickc@redhat.com>
1640 * config/rx/rx.c (rx_can_use_simple_return): New function.
1641 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1642 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1644 2012-01-17 Richard Guenther <rguenther@suse.de>
1647 * expr.c (expand_assignment): Take address-space information
1648 from the address operand of MEM_REF and TARGET_MEM_REF.
1649 (expand_expr_real_1): Likewise.
1651 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1653 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1654 reload dump is requested.
1656 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1659 * trans-mem.c (requires_barrier): Call may_be_aliased.
1661 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1663 PR tree-optimization/51877
1664 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1665 call arguments and fndecls compare equal, instead return false if they
1666 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1667 both SSA_NAMEs that are valueized the same, or they satisfy
1670 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1672 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1674 * configure: Regenerate.
1676 2012-01-16 Jan Hubicka <jh@suse.cz>
1680 * convert.c (convert_to_integer): Use fold_convert for
1681 converting an INTEGER_CST to integer type.
1683 2012-01-16 Jason Merrill <jason@redhat.com>
1686 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1688 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1691 * config/s390/s390.c (s390_chunkify_start): Don't skip
1692 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1693 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1694 If insn is followed by NOTE_INSN_VAR_LOCATION or
1695 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1696 Don't use location of note insns.
1698 PR tree-optimization/51865
1699 * tree-inline.c (tree_function_versioning): Call remap_decl
1700 on DECL_RESULT whenever it has VOID_TYPE_P type.
1702 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1704 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1705 for calls to locally-binding MIPS16 functions if only the return
1706 type uses float regs.
1708 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1709 Richard Sandiford <rdsandiford@googlemail.com>
1711 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1712 (SYMBOL_32_HIGH): Likewise.
1713 (mips_output_tls_reloc_directive): Declare.
1714 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1715 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1716 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1717 (mips_lo_relocs, mips_hi_relocs): Make extern.
1718 (mips16_stub_function): Move up file.
1719 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1720 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1721 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1722 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1723 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1724 (mips_get_tp): Add MIPS16 support.
1725 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1726 Generalize DTPREL and TPREL handling.
1727 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1728 Add MIPS16 TLS support.
1729 (mips_output_tls_reloc_directive): New function.
1730 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1731 * config/mips/predicates.md (symbolic_operand_with_high)
1732 (tls_reloc_operand): New predicates.
1733 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1734 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1735 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1736 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1737 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1738 (*tls_get_tp_mips16_call_<mode>): Likewise.
1740 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1742 PR rtl-optimization/51821
1743 * recog.c (peep2_find_free_register): Determine clobbered registers
1746 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1749 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1750 * config/avr/avr.c: Likewise.
1751 * config/avr/avr.h: Likewise.
1753 2012-01-13 Ian Lance Taylor <iant@google.com>
1756 * tree.h (TYPE_QUALS): Add cast to int.
1757 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1759 2012-01-13 Ian Lance Taylor <iant@google.com>
1761 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1762 comparing param_index to VEC_length result.
1764 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1766 * c-decl.c: Do not include tree-mudflap.h
1767 * tree-optimize.c: Likewise.
1768 * Makefile.in: Update dependencies.
1770 2012-01-13 Richard Guenther <rguenther@suse.de>
1773 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1774 variable-sized result always use RSO.
1776 2012-01-12 DJ Delorie <dj@redhat.com>
1778 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1779 pointer type, not just the default pointer type.
1781 2012-01-09 Richard Henderson <rth@redhat.com>
1782 Denis Chertykov <chertykov@gmail.com>
1785 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1786 * config/avr/avr.c (avr_can_eliminate): Simplify.
1787 (avr_initial_elimination_offset): Likewise.
1788 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1789 (expand_epilogue): Likewise.
1790 (avr_legitimize_address): Gut.
1791 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1792 (avr_hard_regno_nregs): New.
1793 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1794 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1795 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1796 add soft frame pointer.
1797 (CALL_USED_REGISTERS): Likewise.
1798 (REG_CLASS_CONTENTS): Likewise.
1799 (REGISTER_NAMES): Likewise.
1800 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1801 (HARD_FRAME_POINTER_REGNUM): New.
1802 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1803 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1804 remove the HARD_FRAME_POINTER self-elimination.
1806 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1809 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1810 DECL_EXTERNAL when checking for initializers of progmem variables.
1812 2012-01-12 Ira Rosen <irar@il.ibm.com>
1814 PR tree-optimization/51799
1815 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1816 that the last operation is a type demotion.
1818 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1820 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1821 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1823 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1826 * combine.c (distribute_notes): If i3 is a noreturn call,
1827 allow old_size to be equal to args_size and make sure the
1828 noreturn call gets REG_ARGS_SIZE note.
1829 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1830 on noreturn calls even when the delta is 0.
1832 2012-01-11 Nathan Sidwell <nathan@acm.org>
1834 * gcov.c (STRING_SIZE): Remove.
1835 (generate_results): Erase annotations for source files with no
1836 coverage information.
1838 (output_lines): Use it.
1840 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1842 * gimple.h (gimplify_body): Remove first argument.
1843 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1844 pointer set here, instead just pass DATA to walk_tree.
1845 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1846 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1847 (unvisit_body): Likewise, but with unmark_visited.
1848 (gimplify_body): Remove BODY_P argument and adjust.
1849 (gimplify_function_tree): Adjust call to gimplify_body.
1850 * omp-low.c (finalize_task_copyfn): Likewise.
1852 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1854 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1855 (build_function_type_skip_args): Delete.
1856 * tree.c (build_function_type_skip_args): Make static and add
1857 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1858 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1859 pass it to build_function_type_skip_args.
1860 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1861 (tree_function_versioning): Likewise.
1862 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1863 build_function_decl_skip_args.
1864 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1865 and pass it to build_function_decl_skip_args/tree_function_versioning.
1866 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1867 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1868 * trans-mem.c (ipa_tm_create_version): Likewise.
1869 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1870 * tree-inline.c (declare_return_variable): Remove always-true test.
1871 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1872 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1873 * ipa-split.c (split_function): Skip the return value for the split
1874 part if it doesn't return.
1876 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1878 PR tree-optimization/49642
1879 * ipa-split.c (forbidden_dominators): New variable.
1880 (check_forbidden_calls): New function.
1881 (dominated_by_forbidden): Likewise.
1882 (consider_split): Check for forbidden dominators.
1883 (execute_split_functions): Initialize and free forbidden
1884 dominators info; call check_forbidden_calls.
1886 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1888 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1890 2012-01-11 Nick Clifton <nickc@redhat.com>
1892 * config/rx/rx.md (return): Define pattern.
1894 2012-01-11 Richard Guenther <rguenther@suse.de>
1896 * doc/extend.texi (malloc attribute): Adjust according to
1899 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1900 Patrick Marlier <patrick.marlier@gmail.com>
1903 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1904 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1905 (ipa_tm_note_irrevocable): Same.
1906 (ipa_tm_scan_irr_block): Same.
1907 (ipa_tm_decrement_clone_counts): Same.
1908 (ipa_tm_scan_irr_function): Same.
1909 (ipa_tm_create_version_alias): Same.
1910 (ipa_tm_create_version): Same.
1911 (ipa_tm_transform_calls_redirect): Same.
1912 (ipa_tm_transform_calls): Same.
1913 (ipa_tm_transform_transaction): Same.
1914 (ipa_tm_execute): Same.
1916 2012-01-10 Richard Guenther <rguenther@suse.de>
1919 * opts.c (common_handle_option): Handle -Werror.
1921 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1923 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1926 2012-01-10 Jason Merrill <jason@redhat.com>
1928 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1931 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1933 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1934 supports R_386_TLS_GD_PLT reloc.
1935 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1936 supports R_386_TLS_LDM_PLT reloc.
1937 * configure: Regenerate.
1938 * config.in: Regenerate.
1940 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1943 Extend __pgmx semantics to linearize memory.
1944 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1945 determine if code comes inline or from libgcc.
1946 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1947 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1948 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1949 (movmemx_qi, movmemx_hi): New insns.
1950 (xload_<mode>_libgcc): Rewrite to new insn condition.
1951 (xload_<mode>): Remove insns.
1952 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1953 cases that don't satisfy avr_xload_libgcc_p().
1954 (avr_addr_space_convert): Allow converting in any direction.
1955 (avr_addr_space_subset_p): Return always true.
1956 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1957 (avr_emit_movmemhi): Ditto.
1958 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1959 (avr_out_movmem): Ditto.
1960 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1961 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1962 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1963 (avr_encode_section_info): Encode 'progmem' in symbol flags.
1964 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1966 2012-01-10 Richard Guenther <rguenther@suse.de>
1968 PR tree-optimization/50913
1969 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1970 Require data-refs to be representable by Graphite with respect
1973 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
1975 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1976 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1978 2012-01-10 Tom de Vries <tom@codesourcery.com>
1980 PR rtl-optimization/51271
1981 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1982 handling annulled branch.
1984 2012-01-10 Richard Henderson <rth@redhat.com>
1986 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1987 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1988 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1989 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1990 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1991 arm_expand_vec_perm_const): New.
1992 * config/arm/arm-protos.h: Update.
1993 * config/arm/neon.md (UNSPEC_VCONCAT): New.
1994 (*neon_vswp<VDQX>): New.
1995 (neon_vcombine<VDX>): Use neon_split_vcombine.
1996 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1997 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1998 (vec_perm<VE>): New.
2000 2012-01-10 Richard Henderson <rth@redhat.com>
2002 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2003 use it if reload_completed.
2004 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2005 arm_output_asm_insn, arm_process_output_memory_barrier,
2006 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2007 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2008 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2009 arm_process_output_sync_insn, arm_output_sync_insn,
2010 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2011 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2012 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2013 (emit_unlikely_jump): New.
2014 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2015 (arm_split_atomic_op): New.
2016 * config/arm/arm-protos.h: Update.
2017 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2018 (struct arm_sync_generator): Remove.
2019 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2020 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2021 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2022 (VUNSPEC_LL, VUNSPEC_SC): New.
2023 (sync_result, sync_memory, sync_required_value, sync_new_value,
2024 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2025 (attr length): Don't use arm_sync_loop_insns.
2026 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2027 (movsfcc, movdfcc): Likewise.
2028 * config/arm/constraints.md (Ua): New.
2029 * config/arm/prediates.md (mem_noofs_operand): New.
2030 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2031 (sync_clobber, sync_t2_reqd): Remove.
2032 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2033 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2034 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2035 (arm_sync_compare_and_swap<SIDI>): Remove.
2036 (arm_sync_compare_and_swap<NARROW>): Remove.
2037 (arm_sync_lock_test_and_set<SIDI>): Remove.
2038 (arm_sync_lock_test_and_set<NARROW>): Remove.
2039 (arm_sync_new_<syncop><SIDI>): Remove.
2040 (arm_sync_new_<syncop><NARROW>): Remove.
2041 (arm_sync_new_nand<SIDI>): Remove.
2042 (arm_sync_new_nand<NARROW>): Remove.
2043 (arm_sync_old_<syncop><SIDI>): Remove.
2044 (arm_sync_old_<syncop><NARROW>): Remove.
2045 (arm_sync_old_nand<SIDI>): Remove.
2046 (arm_sync_old_nand<NARROW>): Remove.
2047 (*memory_barrier): Merge arm_output_memory_barrier.
2048 (atomic_compare_and_swap<QHSD>): New.
2049 (atomic_compare_and_swap<NARROW>_1): New.
2050 (atomic_compare_and_swap<SIDI>_1): New.
2051 (atomic_exchange<QHSD>): New.
2052 (cas_cmp_operand, cas_cmp_str): New.
2053 (atomic_op_operand, atomic_op_str): New.
2054 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2055 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2056 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2057 (arm_load_exclusive<NARROW>): New.
2058 (arm_load_exclusivesi, arm_load_exclusivedi): New.
2059 (arm_store_exclusive<QHSD>): New.
2061 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2063 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2064 reload patterns if -mvsx-scalar-memory.
2066 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2067 generated, even -mno-vsx-scalar-double was used.
2068 (vsx_xscvdpsp_scalar): Likewise.
2069 (vsx_xscvspdp_scalar2): Likewise.
2071 2012-01-09 Tom de Vries <tom@codesourcery.com>
2072 Andrew Pinski <apinski@cavium.com>
2075 * reorg.c (fill_slots_from_thread): Don't speculate
2076 frame-related insns.
2078 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
2080 * sched-int.h (bb_note): Move to...
2081 * basic-block.h: ...here.
2082 * haifa-sched.c (bb_note): Move to...
2083 * cfgrtl.c: ...here.
2084 * function.c (next_block_for_reg): New function.
2085 (move_insn_for_shrink_wrap): Likewise.
2086 (prepare_shrink_wrap): Rewrite to use the above.
2088 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
2090 * gimple.c (is_gimple_non_addressable): Remove.
2091 * gimple.h: Remove is_gimple_non_addressable.
2092 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2093 is_gimple_non_addressable.
2094 * trans-mem.c (expand_assign_tm): Same.
2096 2012-01-09 Richard Guenther <rguenther@suse.de>
2098 PR tree-optimization/51775
2099 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2100 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2102 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2104 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2106 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2108 2012-01-09 Richard Guenther <rguenther@suse.de>
2110 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2112 2012-01-08 Jan Hubicka <jh@suse.cz>
2114 PR tree-optimize/51680
2115 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2116 on when known_vals needs to be computed; cleanup.
2118 2012-01-08 Jan Hubicka <jh@suse.cz>
2120 PR tree-optimize/51694
2121 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2123 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
2125 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2126 for -std=c++98 and -std=c++11 too.
2128 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
2130 * cfgloop.c (cancel_loop): Add free() of bbs array.
2132 2012-01-07 Jan Hubicka <jh@suse.cz>
2134 PR tree-optimization/51600
2135 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2136 that benefits small functions.
2138 2012-01-07 Jan Hubicka <jh@suse.cz>
2140 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2142 2012-01-07 Jan Hubicka <jh@suse.cz>
2144 PR tree-optimization/51680
2145 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2146 whose inlining reduce unit size.
2148 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2151 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2152 Add canonical node to containing_mem chain after the non-canonical
2153 one, even if there weren't any locs to propagate.
2154 (remove_useless_values): Keep only canonical values.
2155 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2156 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2157 canonicalize mem_chain elements that are not discarded.
2159 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2162 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2163 before emitting functions.
2165 PR gcov-profile/50127
2166 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2167 clear_aux_for_blocks.
2169 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
2172 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2174 2012-01-06 Arnaud Charlet <charlet@adacore.com>
2176 * c-decl.c (ext_block): Moved up.
2177 (collect_all_refs, for_each_global_decl): Take ext_block into account.
2179 2012-01-06 Han Shen <shenhan@google.com>
2181 Translate built-in include paths for sysroot.
2182 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2183 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2185 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2186 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2188 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2189 control whether sysroot should be prepended to gxx include dir.
2191 * configure: Regenerate.
2193 2012-01-06 Torvald Riegel <triegel@redhat.com>
2195 PR rtl-optimization/51771
2196 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2197 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2199 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2201 PR tree-optimization/51315
2202 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2203 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2205 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
2208 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2209 for shrp pattern. Correctly handle and fixup shift variable.
2210 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2212 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2215 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2216 note when !ACCUMULATE_OUTGOING_ARGS.
2218 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2220 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2222 (extract_range_from_unary_expr_1): Avoid useless computations.
2224 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2226 PR rtl-optimization/51767
2227 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2228 of jump_block and add an extra edge for degenerated asm gotos.
2231 * stmt.c (check_unique_operand_names): Don't ICE during error
2232 reporting if i is from labels chain.
2235 * profile.c (branch_prob): Split bbs that have exit edge
2236 and need a fake entry edge too.
2238 2012-01-05 Jan Hubicka <jh@suse.cz>
2241 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2244 2012-01-05 Richard Guenther <rguenther@suse.de>
2247 * tree-streamer-out.c (write_ts_optimization): New function.
2248 (streamer_write_tree_body): Call it.
2249 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2250 (streamer_read_tree_body): Call it.
2251 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2253 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2256 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2257 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2258 in_cleanup_point_expr before gimplify_stmt call and restore it
2260 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2261 in_cleanup_point_expr is false.
2263 2012-01-05 Richard Guenther <rguenther@suse.de>
2266 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2268 * toplev.c (process_options): Reject combining mudflap and LTO.
2269 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2271 2012-01-05 Richard Guenther <rguenther@suse.de>
2273 PR tree-optimization/51760
2274 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2276 (bit_value_unop): Handle UNDEFINED operands.
2277 (bit_value_binop): Likewise.
2279 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2281 * config/avr/avr.c (avr_replace_prefix): Remove.
2282 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2283 (avr_asm_function_rodata_section): Ditto.
2284 (avr_asm_select_section): Ditto.
2286 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2288 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2291 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2294 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2295 calls that have any non-fake successor edges.
2298 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2300 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2302 PR tree-optimization/51624
2303 * tree-sra.c (build_ref_for_model): When replicating a chain of
2304 COMPONENT_REFs, stop as soon as the offset would become negative.
2306 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2309 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2310 in .debug_loc on the floor.
2312 2012-01-04 Andrew Pinski <apinski@cavium.com>
2314 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2316 2012-01-04 Andrew Pinski <apinski@cavium.com>
2317 Adam Nemet <anemet@caviumnetworks.com>
2319 * config/mips/mips.md (size): Add SI and DI.
2320 (SIZE): New mode attribute.
2321 (U): New code attribute.
2322 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2323 (mips_lbux_<mode>): Delete.
2324 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2325 (mips_lhx): Use gen_mips_lhx_extsi.
2326 (mips_lhx_<mode>): Delete.
2328 (mips_l<size>x): New expand.
2329 (mips_lwx_<mode>): Delete.
2330 (mips_l<GPR:size>x_<P:mode>): New pattern.
2331 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2332 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2333 * config/mips/mips.c (mips_lx_address_p): New function.
2334 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2335 (dsp64): New availability predicate.
2336 (mips_builtins): Add an entry for __builtin_mips_ldx.
2337 * config/mips/mips.h (ISA_HAS_LBX): New define.
2338 (ISA_HAS_LBUX): Likewise.
2339 (ISA_HAS_LHX): Likewise.
2340 (ISA_HAS_LHUX): Likewise.
2341 (ISA_HAS_LWX): Likewise.
2342 (ISA_HAS_LWUX): Likewise.
2343 (ISA_HAS_LDX): Likewise.
2344 * doc/extend.texi (__builtin_mips_ldx): Document.
2346 2012-01-04 Tristan Gingold <gingold@adacore.com>
2348 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2349 when long pointers are used.
2350 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2351 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2352 (ia64-hp-*vms*): Remove.
2353 * config/vms/xm-vms64.h: Delete.
2355 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2358 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2360 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2362 * opts.c (finish_options): Remove duplicate sorry.
2364 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2367 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2370 2012-01-04 Richard Guenther <rguenther@suse.de>
2373 * tree.c (size_low_cst): New function.
2374 * tree.h (size_low_cst): Declare.
2375 * fold-const.c (fold_comparison): Use it to extract the low
2376 part of the POINTER_PLUS_EXPR offset.
2378 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2380 Fix clearing ZERO_REG
2381 * config/avr/avr.md (cc): Add alternative "ldi".
2382 (movqi_insn): Use it in cc attribute.
2383 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2384 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2385 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2387 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2389 * configure: Regenerate.
2391 2012-01-04 Richard Guenther <rguenther@suse.de>
2393 PR tree-optimization/49651
2394 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2395 (var_can_have_subvars): Use it.
2396 (get_constraint_for_1): Only consider subfields if there can be any.
2398 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2401 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2402 to its new canonical_cselib_val and the cselib_val was in
2403 first_containing_mem chain, but the canonical_cselib_val was not,
2404 add the latter into the chain.
2405 (cselib_invalidate_mem): Compare canonical_cselib_val of
2406 addr_list chain elt with v.
2409 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2410 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2412 (output_macinfo_op): Don't ggc_strdup fd->filename.
2413 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2414 then ggc_strdup it. Don't free inc->info or cur->info.
2415 (output_macinfo): Don't free ref->info or file->info.
2417 2012-01-03 Ira Rosen <irar@il.ibm.com>
2419 PR tree-optimization/51269
2420 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2421 first_niters a pointer.
2422 (slpeel_tree_peel_loop_to_edge): Likewise.
2423 (vect_do_peeling_for_loop_bound): Update call to
2424 slpeel_tree_peel_loop_to_edge.
2425 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2426 here. Remove it from the parameters list.
2427 (vect_do_peeling_for_alignment): Update calls and compute
2430 2012-01-03 Richard Guenther <rguenther@suse.de>
2432 PR tree-optimization/51070
2433 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2434 Properly handle calls.
2436 2012-01-03 Richard Guenther <rguenther@suse.de>
2438 PR tree-optimization/51692
2439 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2440 the LHS of allocation stmts.
2442 2012-01-03 Olivier Hainque <hainque@adacore.com>
2444 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2446 2012-01-03 Olivier Hainque <hainque@adacore.com>
2448 * collect2.c (main): In AIX specific computations for vector
2449 insertions, use CONST_CAST2 to cast from char ** to const char **.
2451 2012-01-03 Richard Guenther <rguenther@suse.de>
2454 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2455 the context of a limbo DIE when it does not already exist.
2457 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2459 PR tree-optimization/51719
2460 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2461 but direct call is, clear direct call's lhs and don't add fallthrough
2462 edge from dcall_bb to join_bb and PHIs.
2464 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2466 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2467 the instructions emitted by the pattern.
2468 ("*TDC_insn_<mode>"): Add comment.
2470 2012-01-03 Richard Guenther <rguenther@suse.de>
2473 * fold-const.c (fold_comparison): Properly canonicalize
2474 tree offset and HOST_WIDE_INT bit position.
2476 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2478 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2479 operands for extzv pattern.
2481 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2484 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2487 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2489 * doc/invoke.texi (-flto and related options): Copy-edit.
2491 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2493 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2495 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2497 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2500 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2502 * expr.h (move_by_pieces_ninsns): Declare.
2503 * expr.c (move_by_pieces_ninsns): Make external.
2504 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2505 (mips_store_by_pieces_p): Likewise.
2506 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2507 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2508 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2509 (mips_store_by_pieces_p): Likewise.
2511 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2513 * passes.c (register_one_dump_file): Free full_name.
2515 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2516 (calculate_elim_costs_all_insns): Free offsets_at and
2517 offsets_known_at at the end and clear the pointers.
2519 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2521 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2522 this option introduced in r180739.
2524 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2527 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2528 (tmake_file target=avr): Add avr/t-multilib.
2530 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2531 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2532 * config/avr/genmultilib.awk: New file.
2533 * config/avr/t-multilib: New auto-generated file.
2534 * config/avr/multilib.h: New auto-generated file.
2535 * config/avr/t-avr (AVR_MCUS): New variable.
2536 (genopt.sh): Use it.
2537 (s-mlib): Depend on t-multilib.
2538 (t-multilib, multilib.h): New dependencies.
2539 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2540 (MULTILIB_OPTIONS): Remove.
2541 (MULTILIB_MATCHES): Remove.
2542 (MULTILIB_DIRNAMES): Remove.
2543 (MULTILIB_EXCEPTIONS): Remove:
2544 * config/avr/genopt.sh: Don't use hard coded file name;
2545 pass AVR_MCUS from t-avr instead.
2547 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2549 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2551 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2553 Implement light-weight DImode support.
2554 * config/avr/avr-dimode.md: New file.
2555 * config/avr/avr.md: Include it.
2556 (adjust_len): Add plus64, compare64.
2557 (HIDI): Remove code iterator.
2558 (code_stdname): New code attribute.
2559 (rotx, rotsmode): Remove DI.
2560 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2562 * config/avr/avr-protos.h (avr_have_dimode): New.
2563 (avr_out_plus64, avr_out_compare64): New.
2564 * config/avr/avr.c (avr_out_compare): Handle DImode.
2565 (avr_have_dimode): New variable definition and initialization.
2566 (avr_out_compare64, avr_out_plus64): New functions.
2567 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2568 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2569 (avr_compare_pattern): Skip DImode comparisons.
2571 2012-01-02 Revital Eres <revital.eres@linaro.org>
2573 * ddg.c (def_has_ccmode_p): New function.
2574 (add_cross_iteration_register_deps,
2575 create_ddg_dep_from_intra_loop_link): Call it.
2577 2012-01-02 Richard Guenther <rguenther@suse.de>
2580 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2582 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2584 * gcc.c (process_command): Update copyright notice dates.
2585 * gcov.c (print_version): Likewise.
2586 * gcov-dump.c (print_version): Likewise.
2587 * mips-tfile.c (main): Likewise.
2588 * mips-tdump.c (main): Likewise.
2590 2012-01-01 Ira Rosen <irar@il.ibm.com>
2592 PR tree-optimization/51704
2593 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2594 a use is inside the basic block or loop before accessing its vect info.
2596 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2598 PR rtl-optimization/51069
2599 * cfgloopmanip.c (remove_path): Removing path making irreducible
2600 region unconditional makes BB part of the region.
2602 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2604 PR tree-optimization/51683
2605 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2606 calls with side-effects.
2607 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2609 Copyright (C) 2012 Free Software Foundation, Inc.
2611 Copying and distribution of this file, with or without modification,
2612 are permitted in any medium without royalty provided the copyright
2613 notice and this notice are preserved.