1 2012-02-16 Kai Tietz <ktietz@redhat.com>
3 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
4 interger-constant displacement for UNSPEC_PCREL.
6 2012-02-16 Jakub Jelinek <jakub@redhat.com>
8 PR rtl-optimization/52208
9 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
10 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
12 PR tree-optimization/52255
13 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
14 loop->header has virtual PHI, but exit_e->dest doesn't, add
15 virtual PHI to exit_e->dest and adjust all uses after the loop.
18 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
19 children with clone_tree_hash, not after it.
21 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
23 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
26 2012-02-16 Jakub Jelinek <jakub@redhat.com>
29 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
30 a same_body_alias, also test whether e->callee isn't a former
31 or current clone of the decl this is a same body alias of.
34 * cgraphunit.c (verify_cgraph_node): Fix a typo.
36 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
38 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
40 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
43 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
44 force_reg instead of copy_to_reg for better optimization. Force
45 non-register or memory operands into a register.
47 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
49 * extend.texi: Reserve upper bits of memory model for future use.
51 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
52 Anatoly Sokolov <aesok@post.ru>
53 Eric Weddington <eric.weddington@atmel.com>
56 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
57 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
58 Rewrite initializers for .macro.
59 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
60 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
61 atxmega32d4, atxmega32x1.
62 avrxmega4: atxmega64a3, atxmega64d3.
63 avrxmega5: atxmega64a1, atxmega64a1u.
64 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
65 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
66 avrxmega7: atxmega128a1, atxmega128a1u.
67 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
68 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
69 (struct base_arch_s): Rename reserved to xmega_p.
70 Rename reserved2 to have_rampd.
71 (AVR_XMEGA): New define.
72 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
73 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
74 * config/avr/predicates.md (io_address_operand): Take into
76 (low_io_address_operand): Ditto.
77 (high_io_address_operand): Ditto.
78 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
79 (enabled, movhi_sp_r): Use them.
80 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
81 cpp_define_formatted to built-in define __AVR_ARCH__.
82 (__AVR_XMEGA__): New built-in define.
83 (__AVR_HAVE_RAMPD__): New built-in define.
84 (__AVR_HAVE_RAMPX__): New built-in define.
85 (__AVR_HAVE_RAMPY__): New built-in define.
86 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
88 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
89 (avr_option_override): Initialize them.
90 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
91 (avr_init_expanders): Initialize them. No more block several calls.
92 (emit_push_sfr): New static function.
93 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
95 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
96 (avr_print_operand): Print addreeses as symbols for
97 RAMPX, RAMPY, RAMPD, CCP.
98 (output_movhi): Handle AVR_XMEGA when writing to SP.
99 (avr_out_movhi_mr_r_xmega): New static function.
100 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
101 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
102 __RAMPD__, __CCP__ as needed.
104 * config/avr/multilib.h: Regenerate.
105 * config/avr/t-multilib: Regenerate.
106 * config/avr/avr-tables.opt: Regenerate.
108 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
110 PR tree-optimization/50561
111 * graphite-flattening.c (lst_project_loop): Do not
112 remove old scattering dimensions after flattening.
113 (lst_do_flatten): Likewise.
115 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
117 * doc/extend.texi (AVR Built-in Functions): Remove doc for
118 __builtin_avr_map8, __builtin_avr_map16.
119 Document __builtin_avr_insert_bits.
121 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
122 (insert_bits): New insn.
123 (adjust_len.map_bits): Rename to insert_bits.
124 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
125 * avr-protos.h (avr_out_map_bits): Remove.
126 (avr_out_insert_bits, avr_has_nibble_0xf): New.
127 * config/avr/constraints.md (Cxf,C0f): New.
128 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
129 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
130 New built-in define __BUILTIN_AVR_INSERT_BITS.
131 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
132 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
133 (avr_move_bits): Rewrite.
134 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
136 (avr_map_op_t): New typedef.
137 (avr_map_op): New static variable.
138 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
139 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
140 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
141 (bdesc_3arg, avr_expand_triop_builtin): New.
142 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
143 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
144 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
145 (avr_map_equal_p, avr_map_sig_p): Remove.
146 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
147 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
148 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
149 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
150 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
151 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
153 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
155 * config/c6x/c6x.md (reserve_cycles): New attribute.
156 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
157 don't reserve functional units after the branch occurs.
159 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
162 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
163 functions into non-tm_pure functions.
165 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
168 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
169 (iterative_hash_canonical_type): Likewise.
170 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
173 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
175 * haifa-sched.c (prune_ready_list): Ensure that if there is a
176 sched-group insn, it either remains alone or the entire list is
179 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
181 * doc/install.texi (Prerequisites): Fix grammar.
182 (Configuration): Likewise.
184 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
186 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
187 MPC as part of GCC before describing configuring with --with-gmp etc.
188 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
191 2012-02-14 Jakub Jelinek <jakub@redhat.com>
194 * dwarf2out.c (clone_tree_hash): New function.
195 (copy_decls_walk): Use it instead of clone_tree.
197 2012-02-14 Richard Guenther <rguenther@suse.de>
199 PR tree-optimization/52244
200 PR tree-optimization/51528
201 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
202 replacements for integral types.
204 2012-02-14 Walter Lee <walt@tilera.com>
206 * config.gcc: Handle tilegx and tilepro.
207 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
209 Add HAVE_AS_TLS check for tilegx and tilepro.
210 * configure: Regenerate.
211 * doc/contrib.texi: Add Mat Hostetter and self.
212 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
213 Document instruction intrinsics and network accessing intrinsics.
214 (TILEPro Built-in Functions): New node. Document instruction
215 intrinsics and network accessing intrinsics.
216 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
217 (Specific, tilepro-*-linux*): Likewise.
218 * doc/invoke.texi (TILE-Gx Options): New section.
219 (TILEPro Options): New section.
220 * doc/md.texi (TILE-Gx): New section.
221 (TILEPro): New section.
222 * common/config/tilegx/tilegx-common.c: New file.
223 * common/config/tilepro/tilepro-common.c: New file.
224 * config/tilegx/constraints.md: New file.
225 * config/tilegx/linux.h: New file.
226 * config/tilegx/mul-tables.c: New file.
227 * config/tilegx/predicates.md: New file.
228 * config/tilegx/sync.md: New file.
229 * config/tilegx/t-tilegx: New file.
230 * config/tilegx/tilegx-builtins.h: New file.
231 * config/tilegx/tilegx-c.c: New file.
232 * config/tilegx/tilegx-generic.md: New file.
233 * config/tilegx/tilegx-modes.def: New file.
234 * config/tilegx/tilegx-multiply.h: New file.
235 * config/tilegx/tilegx-protos.h: New file.
236 * config/tilegx/tilegx.c: New file.
237 * config/tilegx/tilegx.h: New file.
238 * config/tilegx/tilegx.md: New file.
239 * config/tilegx/tilegx.opt: New file.
240 * config/tilepro/constraints.md: New file.
241 * config/tilepro/gen-mul-tables.cc: New file.
242 * config/tilepro/linux.h: New file.
243 * config/tilepro/mul-tables.c: New file.
244 * config/tilepro/predicates.md: New file.
245 * config/tilepro/t-tilepro: New file.
246 * config/tilepro/tilepro-builtins.h: New file.
247 * config/tilepro/tilepro-c.c: New file.
248 * config/tilepro/tilepro-generic.md: New file.
249 * config/tilepro/tilepro-modes.def: New file.
250 * config/tilepro/tilepro-multiply.h: New file.
251 * config/tilepro/tilepro-protos.h: New file.
252 * config/tilepro/tilepro.c: New file.
253 * config/tilepro/tilepro.h: New file.
254 * config/tilepro/tilepro.md: New file.
255 * config/tilepro/tilepro.opt: New file.
257 2012-02-14 Jakub Jelinek <jakub@redhat.com>
259 PR tree-optimization/52210
260 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
261 vect_model_simple_cost with two entry vect_def_type array instead
264 2012-02-14 Richard Guenther <rguenther@suse.de>
267 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
268 Do not stream DECL_QUALIFIER.
269 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
270 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
271 (find_decls_types_r): Do not walk DECL_QUALIFIER.
273 2012-02-14 Jakub Jelinek <jakub@redhat.com>
276 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
279 2012-02-13 Jakub Jelinek <jakub@redhat.com>
282 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
283 * cselib.c (cselib_subst_to_values_from_insn): New function.
284 * sched-deps.c (add_insn_mem_dependence,
285 sched_analyze_1, sched_analyze_2): Use it.
287 2012-02-13 Jan Hubicka <jh@suse.cz>
290 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
292 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
294 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
295 (GTM_SELF_SPECS): Define if not already defined.
296 (driver_self_specs): Add GTM_SELF_SPECS.
297 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
298 (GTM_SELF_SPECS): Define.
299 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
300 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
302 2012-02-13 Jakub Jelinek <jakub@redhat.com>
304 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
307 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is
311 * omp-low.c (expand_omp_for): If a static schedule without
312 chunk size has NULL region->cont, force fd.chunk_size to be
315 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
318 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
320 2012-02-13 Richard Guenther <rguenther@suse.de>
323 * passes.c (enable_disable_pass): Fix typo.
325 2012-02-13 Jakub Jelinek <jakub@redhat.com>
328 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
329 XOR for reduce_bit_field if type is unsigned.
331 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
333 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
334 disallow changes from SFmode to mode with different size in FP regs.
336 2012-02-12 Robert Millan <rmh@gnu.org>
337 Gerald Pfeifer <gerald@pfeifer.com>
339 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
342 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
344 PR rtl-optimization/52175
345 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
346 to frame-related instructions.
348 2012-02-10 Jason Merrill <jason@redhat.com>
351 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
352 (demangle_new_symbols): Fill it.
353 (scan_linker_output): Walk it.
354 (start_tweaking): Split out from scan_linker_output.
355 (maybe_tweak): Update sym->chosen.
356 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
358 2012-02-11 Jakub Jelinek <jakub@redhat.com>
361 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
364 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
366 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
367 having the same mode as previous compare.
369 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
371 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
372 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
373 (nonlocal_goto_internal): Likewise.
374 (nonlocal_goto): Emit a use and an indirect jump directly.
376 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
379 * doc/extend.texi : Update comments for __atomic_compare_exchange and
380 __atomic_{is,always}_lock_free.
382 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
385 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
386 negative constant address for x32.
388 2012-02-10 Richard Henderson <rth@redhat.com>
390 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
391 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
392 for GIMPLE_TRANSACTION. Tidy if's into a switch.
394 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
395 Ira Rosen <irar@il.ibm.com>
397 PR tree-optimization/50031
398 * targhooks.c (default_builtin_vectorization_cost): Handle
400 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
401 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
402 all types of reduction and pattern statements.
403 (vect_estimate_min_profitable_iters): Likewise.
404 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
405 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
406 for explicit realigns.
407 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
408 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
410 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
411 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
412 vec_perm for VSX and handle vec_promote_demote.
414 2012-02-10 Jakub Jelinek <jakub@redhat.com>
417 * builtins.c (fold_builtin_atomic_always_lock_free,
418 expand_builtin_atomic_always_lock_free,
419 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
420 Return and/or test boolean_true_node/boolean_false_node instead of
421 integer_one_node/integer_zero_node.
423 2012-02-10 Jan Hubicka <jh@suse.cz>
426 * predict.c (predict_paths_for_bb): Prevent looping.
427 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
429 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
431 * config/arm/arm.c (output_move_double): In one case properly
432 count number of instructions that will be emitted.
434 2012-02-10 Richard Guenther <rguenther@suse.de>
437 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
439 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
442 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
444 2012-02-09 Jakub Jelinek <jakub@redhat.com>
447 * var-tracking.c (emit_note_insn_var_location): If
448 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
449 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
450 non-NOTE_DURING_CALL_P insn.
452 2012-02-09 Bin Cheng <bin.cheng@arm.com>
455 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
457 2012-02-08 Magnus Granberg <zorry@gentoo.org>
460 * gcc.c (switch_matches) Support switches with separated form,
463 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
465 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
468 * config/avr/avr.c (avr_addr_t): New typedef.
469 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
470 (avr_init_expanders): Initialize it.
471 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
473 (expand_epilogue): Ditto.
474 (avr_print_operand): Ditto.
475 (avr_file_start): Ditto.
476 (avr_emit_movmemhi): Ditto.
478 2012-02-08 Richard Guenther <rguenther@suse.de>
480 PR tree-optimization/46886
481 * tree-flow.h (do_while_loop_p): Declare.
482 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
483 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
485 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
487 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
488 always succeed for integers larger than a native word.
490 2012-02-08 Richard Guenther <rguenther@suse.de>
492 PR rtl-optimization/52170
493 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
494 properly handle integer vector modes.
496 2012-02-08 Jakub Jelinek <jakub@redhat.com>
498 PR gcov-profile/52150
499 * coverage.c: Include target.h.
500 (build_var): Call targetm.strip_name_encoding on the assembler name.
501 Change one _ into . or $ if the target allows it.
502 * Makefile.in (coverage.o): Depend on $(TARGET_H).
504 PR rtl-optimization/52139
505 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
506 is a BARRIER after emit_insn_after_noloc, move BB_END
507 to the last non-BARRIER insn before it.
509 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
512 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
513 (mips_gimplify_va_arg_expr): Call it instead of
514 std_gimplify_va_arg_expr.
516 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
518 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
519 message for -mno-pointers-to-nested-function.
521 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
524 * expr.c (get_inner_reference): If there is an offset, add a negative
525 bit position to it (if any).
527 2012-02-07 Jakub Jelinek <jakub@redhat.com>
529 PR rtl-optimization/52060
530 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
531 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
532 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
533 and/or i0src_copy2 when needed.
535 2012-02-07 Jakub Jelinek <jakub@redhat.com>
537 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
538 or LTOPLUGINSONAME if have_c.
540 * config/freebsd-spec.h: Add comment about what macros can be defined
542 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
543 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
546 2012-02-07 Richard Guenther <rguenther@suse.de>
548 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
549 newline in -alias dumps.
551 2012-02-07 Kai Tietz <ktietz@redhat.com>
552 Dave Korn <dave.korn.cygwin@gmail.com>
555 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
556 Take care that typinfo gets dllexport-attribute.
558 2012-02-07 Jakub Jelinek <jakub@redhat.com>
561 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
562 if modifier < EXPAND_SUM call force_operand on the result.
564 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
566 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
567 adding __forwarder_dst__ prefix if a forwarder_section attribute is
569 (epiphany_function_type): Replace types for specific interrupts with
570 EPIPHANY_FUNCTION_INTERRUPT.
571 (EPIPHANY_INTERRUPT_P): Update.
572 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
574 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
575 <disinterrupt>: Affects type identity.
576 (epiphany_handle_interrupt_attribute): Handle variable number of
578 (epiphany_compute_function_type): Update for new
579 epiphany_function_type definition.
580 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
581 handlers with a longcall forwarder.
582 (epiphany_start_function): Handle multiple interrupt arguments and/or
583 forwarder_section attribute.
585 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
588 2012-02-07 Alan Modra <amodra@gmail.com>
591 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
594 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
596 PR tree-optimization/50969
597 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
598 use vec_perm rather than vector_stmt.
599 (vect_model_load_cost): Likewise.
600 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
601 vec_perm to be the same as other vector statements.
602 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
603 cost of vec_perm for TARGET_VSX.
605 2012-02-06 Richard Guenther <rguenther@suse.de>
607 PR tree-optimization/52115
608 * tree-sra.c (access_has_replacements_p): New function.
609 (sra_modify_assign): Use it to decide whether a use is uninitialized.
611 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
614 * trans-mem.c (expand_call_tm): Add an assertion.
615 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
618 2012-02-06 Richard Guenther <rguenther@suse.de>
620 PR tree-optimization/50955
621 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
622 raise cost of expressions that replace an address with an
623 expression based on a different pointer.
625 2012-02-06 Jakub Jelinek <jakub@redhat.com>
628 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
629 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
631 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
634 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
635 -Weffc++ and specify guidelines come from second edition.
637 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
639 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
640 (sibcall_value_multiple_internal, call_split, call_internal_direct)
641 (call_direct_split, call_value_split, call_value_internal_direct)
642 (call_value_direct_split, call_value_multiple_split): Use jal and
643 jal_macro attributes.
645 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
647 * reload1.c (reload_regs_reach_end_p): Replace with...
648 (reload_reg_rtx_reaches_end_p): ...this function.
649 (new_spill_reg_store): Update commentary.
650 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
651 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
652 before setting new_spill_reg_store.
653 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
654 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
655 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
656 for non-spill reload registers.
658 2012-02-05 Ira Rosen <irar@il.ibm.com>
660 PR tree-optimization/52091
661 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
662 (vect_is_simple_use_1): Likewise.
663 * tree-vect-loop.c (vectorizable_reduction): Update calls
664 to vect_is_simple_use_1 and vect_is_simple_use.
665 (vectorizable_live_operation): Likewise.
666 * tree-vect-patterns.c (widened_name_p,
667 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
668 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
669 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
670 vectorizable_shift,vectorizable_operation, vectorizable_store,
671 vectorizable_load): Likewise.
672 (vect_is_simple_cond): Add an argument, pass it to
673 vect_is_simple_use_1.
674 (vectorizable_condition): Update calls to vect_is_simple_cond,
676 (vect_is_simple_use): Add an argument, the statement in which
677 OPERAND is used. Check that if OPERAND's def stmt is a double
678 reduction phi node, the use is a phi node too.
679 (vect_is_simple_use_1): Add an argument, pass it to
681 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
682 to vect_is_simple_use.
684 2012-02-04 Jakub Jelinek <jakub@redhat.com>
686 PR rtl-optimization/52095
687 * modulo-sched.c (dump_insn_locator): New function.
688 (loop_canon_p, sms_schedule): Use it.
690 PR rtl-optimization/52113
691 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
692 even for decomposable shift/zext insns.
694 2012-02-03 Jakub Jelinek <jakub@redhat.com>
695 Zdenek Dvorak <ook@ucw.cz>
697 PR rtl-optimization/52092
698 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
699 on get_iv_value result.
701 2012-02-02 Andrew Pinski <apinski@cavium.com>
705 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
707 2012-02-02 Jakub Jelinek <jakub@redhat.com>
710 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
712 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
714 PR rtl-optimization/49800
715 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
716 (sched_finish): Call regstat_free_n_sets_and_refs.
718 2012-02-02 Jia Liu <proljc@gmail.com>
720 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
723 2012-02-02 Jan Hubicka <jh@suse.cz>
724 Tom de Vries <tom@codesourcery.com>
727 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
728 * varpool.c (varpool_analyze_pending_decls): Likewise.
730 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
731 Jayant R Sonar <jayant.sonar@kpitcummins.com>
733 * config.gcc: Add cr16-* support.
735 * doc/extend.texi: Document cr16 extensions.
736 * doc/install.texi: Document cr16 install.
737 * doc/invoke.texi: Document cr16 options.
738 * doc/md.texi: Document cr16 constraints.
740 * common/config/cr16/cr16-common.c: New file.
741 * config/cr16/cr16.c: New file.
742 * config/cr16/cr16.h: New file.
743 * config/cr16/cr16.md: New file.
744 * config/cr16/cr16.opt: New file.
745 * config/cr16/cr16-protos.h: New file.
746 * config/cr16/predicates.md: New file.
747 * config/cr16/constraints.md: New file.
748 * config/cr16/t-cr16: New file.
750 2012-02-02 Jakub Jelinek <jakub@redhat.com>
753 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
754 that operands[2] is either immediate, or q_regs_operand.
756 PR tree-optimization/52073
757 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
758 a pattern stmt for pattern uses, ignore uses outside of the loop.
760 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
762 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
763 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
764 (OUT_AS1, OUT_AS2): Remove.
766 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
768 PR rtl-optimization/51374
769 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
770 to cross other volatile_refs_p insns.
772 2012-02-01 Richard Guenther <rguenther@suse.de>
774 * doc/invoke.texi (fno-inline): Clarify documentation.
775 (finline-small-functions): Likewise.
776 (finline-functions): Likewise.
777 * common.opt (finline): Adjust comment and documentation.
778 (finline-small-functions): Clarify documentation.
779 (finline-functions): Likewise.
780 (finline-functions-called-once): Likewise.
782 2012-02-01 Tristan Gingold <gingold@adacore.com>
784 * c-typeck.c (composite_type): Keep mode for pointers.
786 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
788 * function.h (regno_reg_rtx): Adjust comment.
789 * reginfo.c (init_reg_modes_target): Only use the previous mode
790 if it fits within one register. Remove MIPS comment.
792 2012-01-31 Jakub Jelinek <jakub@redhat.com>
795 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
797 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
799 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
802 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
804 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
806 2012-01-31 Jakub Jelinek <jakub@redhat.com>
811 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
813 2012-01-31 Richard Guenther <rguenther@suse.de>
815 PR tree-optimization/51528
816 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
819 2012-01-31 Jakub Jelinek <jakub@redhat.com>
824 * ree.c (add_removable_extension): Change def_map argument
825 to unsigned *, store in def_map 1 + offset into *insn_list vector
826 instead of pointers into the vector.
827 (find_removable_extensions): Adjust caller.
829 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
831 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
832 Transform all "* quoted-c-code" to { c-code }.
833 Remove redundant test for "optimize" in combine patterns.
834 Move (include "avr-dimode.md") to end of file.
836 2012-01-30 Bin Cheng <bin.cheng@arm.com>
839 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
840 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
842 2012-01-30 Richard Guenther <rguenther@suse.de>
844 PR tree-optimization/52028
845 * tree-loop-distribution.c (ldist_gen): Properly update
848 2012-01-30 Jakub Jelinek <jakub@redhat.com>
851 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
852 set_cur_line_info_table if not emitting debug info.
854 PR tree-optimization/52046
855 * tree-vect-patterns.c (check_bool_pattern): Give up if
856 a comparison could throw.
859 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
861 2012-01-30 Richard Guenther <rguenther@suse.de>
863 PR tree-optimization/52045
864 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
865 SSA form if cfgcleanup did anything.
867 2012-01-30 Richard Guenther <rguenther@suse.de>
869 PR tree-optimization/52045
870 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
871 before computing final todo.
873 2012-01-30 Richard Guenther <rguenther@suse.de>
875 PR tree-optimization/51528
876 * tree-sra.c (sra_modify_assign): Re-factor in preparation
879 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
881 * df-problems.c (df_kill_notes): Check that the use refers
882 to the note under examination.
884 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
887 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
888 parameter and use short-lived pseudos.
889 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
890 (sparc_expand_vector_init): Const-ify local variables and adjust
891 calls to above functions.
893 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
895 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
897 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
899 * doc/invoke.texi: Make usage of "compile time" and
900 "run time"/"runtime" consistent throughout the file.
902 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
904 * config/alpha/alpha.c (alpha_option_override): Default to
905 full IEEE compliance mode for Go language.
907 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
909 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
910 (LINK_SSP_SPEC): Define.
912 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
915 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
918 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
920 * doc/invoke.texi: Correct hyphenation of "floating point",
921 "double precision", and related terminology throughout the file.
923 2012-01-28 Jakub Jelinek <jakub@redhat.com>
926 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
927 arm_general_register_operand predicate for operand 2 instead of
930 2012-01-27 Ian Lance Taylor <iant@google.com>
933 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
934 * builtins.c (expand_builtin_init_trampoline): Add onstack
935 parameter. Change caller.
936 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
937 * tree.c (build_common_builtin_nodes): Declare
938 __builtin_init_heap_trampoline.
940 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
942 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
943 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
944 * config/avr/avr.c: Ditto.
945 (avr_regnames): Remove because unused.
946 * config/avr/avr.md (*cpse.ne): New peephole.
947 (*cpse.eq): New peephole from former cpse peepholes.
949 2012-01-27 Michael Eager <eager@eagercon.com>
951 * config/microblaze.c (microblaze_emit_compare): Correct
952 test after pcmp instruction.
954 2012-01-27 Richard Guenther <rguenther@suse.de>
956 PR tree-optimization/52020
957 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
959 2012-01-27 Richard Guenther <rguenther@suse.de>
961 * ipa-pure-const.c (check_stmt): Clobbers do not make a
962 function non-const/pure.
964 2012-01-27 Richard Guenther <rguenther@suse.de>
966 PR tree-optimization/50444
967 * tree-sra.c (build_ref_for_offset): Properly adjust the
968 MEM_REF type for unaligned accesses.
970 2012-01-27 Richard Guenther <rguenther@suse.de>
972 PR tree-optimization/50444
973 * expr.c (mem_ref_refers_to_non_mem_p): New function.
974 (expand_assignment): Use it. Properly handle misaligned
975 bases when expanding stores to component references.
976 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
979 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
982 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
983 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
984 * tree-data-ref.c (find_data_references_in_loop): Make static.
985 (compute_all_dependences): Change return type to bool. Bail out
986 for too many datarefs in a loop. Move the hunk resetting the data
987 dependences vector from ...
988 (compute_data_dependences_for_loop): ... here. Account for
989 compute_all_dependences returning false.
990 (compute_data_dependences_for_bb): Likewise.
991 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
992 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
994 2012-01-27 Richard Guenther <rguenther@suse.de>
997 * expr.c (store_field): Use the alias-set of the scratch memory
1000 2012-01-27 Tom de Vries <tom@codesourcery.com>
1002 PR tree-optimization/51990
1003 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1005 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1007 2012-01-27 Jakub Jelinek <jakub@redhat.com>
1010 * var-tracking.c (reverse_op): Don't add any reverse operation
1011 if V already has any constant locations.
1013 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1015 * doc/invoke.texi: Correct usage of "command line" (noun)
1016 vs "command-line" (adjective) throughout.
1018 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1020 * doc/invoke.texi (Language Independent Options): Move
1021 -Wcoverage-mismatch blurb from here....
1022 (Warning Options): ...to here.
1024 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
1026 * config/rs6000/rs6000.c (rs6000_option_override_internal):
1027 Set rs6000_always_hint to false for 476.
1029 2012-01-27 Matthias Klose <doko@ubuntu.com>
1031 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1033 * incpath.c (add_standard_paths): Likewise.
1035 2012-01-27 Richard Henderson <rth@redhat.com>
1037 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1038 * config/m68k/sync.md (atomic_test_and_set): Rename from
1039 sync_test_and_setqi and adjust the operands.
1040 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1041 and unconditionally enable.
1043 2012-01-27 Richard Henderson <rth@redhat.com>
1045 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1046 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1047 (ldstub): Rename from ldstubqi.
1048 (ldstub<I24MODE>): Remove.
1050 2012-01-27 Richard Henderson <rth@redhat.com>
1052 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1053 * c-cppbuiltin.c (cpp_atomic_builtins): Define
1054 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1055 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1056 * doc/tm.texi: Rebuild.
1058 2012-01-27 Richard Henderson <rth@redhat.com>
1060 * optabs.c (gen_atomic_test_and_set): Remove default.
1061 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1063 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1065 PR rtl-optimization/51978
1066 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1067 (combine_reaching_defs): Likewise.
1068 (struct re_info): Remove.
1069 (add_removable_extension): Remove x and data arguments,
1070 add insn, insn_list and def_map. Use the arguments directly
1071 instead of using struct re_info.
1072 (find_removable_extensions): Don't call add_removable_extension
1073 through note_stores, instead just call it with single_set
1075 (find_and_remove_re): Pass curr_cand->expr instead of
1076 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1078 2012-01-26 Michael Matz <matz@suse.de>
1080 PR tree-optimization/46590
1081 * cfgexpand.c: Revert last change (r183305).
1082 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1084 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1085 checking for emptiness.
1087 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1090 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1091 non-addressable non-BLKmode base correctly.
1093 2012-01-26 Michael Matz <matz@suse.de>
1095 PR tree-optimization/48794
1096 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1097 regions referenced from RESX/EH_DISPATCH.
1099 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1101 * config/s390/s390.h: Make BRANCH_COST an option.
1102 * config/s390/s390.opt: New option -mbranch-cost.
1104 2012-01-26 Richard Henderson <rth@redhat.com>
1106 Revert 2012-01-24 change:
1107 * trans-mem.c (requires_barrier): Do not instrument thread local
1108 variables and emit save/restore for them.
1110 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1113 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1116 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
1118 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1121 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
1124 Rename __pgm to __flash.
1125 Rename __pgm1 to __flash1.
1126 Rename __pgm2 to __flash2.
1127 Rename __pgm3 to __flash3.
1128 Rename __pgm4 to __flash4.
1129 Rename __pgm5 to __flash5.
1130 Rename __pgmx to __memx.
1131 * doc/extend.texi (AVR Named Address Spaces)
1132 Rename address space names as indicated above.
1133 * config/avr/avr.c (avr_addrspace): Ditto.
1135 * config/avr/avr-protos.h
1136 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1137 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1138 * config/avr/predicates.md: Ditto.
1139 * config/avr/avr.c Ditto, and
1140 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1141 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1143 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1144 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1145 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1146 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1147 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1148 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1149 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1150 * config/avr/avr.c: Ditto.
1151 * config/avr/avr.md: Ditto.
1153 2012-01-25 Jason Merrill <jason@redhat.com>
1156 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1158 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1160 PR tree-optimization/51987
1161 * tree-data-ref.c (get_references_in_stmt): Handle references in
1162 non-volatile GIMPLE_ASM.
1164 2012-01-25 Richard Guenther <rguenther@suse.de>
1166 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1167 bases are dereferenced.
1169 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1171 PR rtl-optimization/48374
1172 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1174 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1176 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1177 compute_data_dependences_for_loop returns false.
1178 * tree-parloops.c (loop_parallel_p): Likewise.
1180 2012-01-25 Richard Guenther <rguenther@suse.de>
1182 * tree.h (get_pointer_alignment_1): Declare.
1183 * builtins.c (get_pointer_alignment_1): New function.
1184 (get_pointer_alignment): Use it.
1186 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1188 PR rtl-optimization/48308
1189 * combine.c (enum undo_kind): Add UNDO_LINKS.
1190 (struct undo): Add member l to other_contents and where.
1191 (do_SUBST_LINK): New.
1193 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1194 (undo_all): Handle UNDO_LINKS.
1196 2012-01-25 Richard Henderson <rth@redhat.com>
1198 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1201 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1203 * optabs.c (gen_atomic_test_and_set): Use each argument.
1205 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1207 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1208 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1209 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1210 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1211 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1212 TARGET_PAIRED_SINGLE_FLOAT.
1214 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1216 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1217 (in_struct, return_val): Remove MEM documentation.
1218 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1219 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1220 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1222 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1223 * cfgexpand.c (add_alias_set_conflicts): Likewise.
1224 * expr.c (store_field): Likewise.
1225 * function.c (assign_stack_temp_for_type): Likewise.
1226 * ifcvt.c (noce_try_cmove_arith): Likewise.
1227 * reload1.c (reload): Likewise.
1228 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1229 (alpha_set_memflags): Likewise.
1230 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1232 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1234 * rtl.h (true_dependence, canon_true_dependence): Remove varies
1236 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1237 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1238 (true_dependence_1, true_dependence, canon_true_dependence): Remove
1240 * cselib.c (cselib_rtx_varies_p): Delete.
1241 (cselib_invalidate_mem): Update call to canon_true_dependence.
1242 * dse.c (record_store, check_mem_read_rtx): Likewise.
1243 (scan_reads_nospill): Likewise.
1244 * cse.c (check_dependence): Likewise.
1245 (cse_rtx_varies_p): Delete.
1246 * expr.c (safe_from_p): Update call to true_dependence.
1247 * ira.c (validate_equiv_mem_from_store): Likewise.
1248 (memref_referenced_p): Likewise.
1249 * postreload-gcse.c (find_mem_conflicts): Likewise.
1250 * sched-deps.c (sched_analyze_2): Likewise.
1251 * store-motion.c (load_kills_store): Likewise.
1252 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1253 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1254 (compute_transp): Update call to canon_true_dependence.
1256 2012-01-25 Richard Henderson <rth@redhat.com>
1258 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1259 (maybe_emit_atomic_test_and_set): New.
1260 (expand_sync_lock_test_and_set): Use it.
1261 (expand_atomic_test_and_set): Likewise.
1262 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1263 the implementation; clarify implementation defined details.
1264 * doc/md.texi (atomic_test_and_set): Document.
1266 2012-01-25 Richard Henderson <rth@redhat.com>
1268 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1270 2012-01-25 Richard Henderson <rth@redhat.com>
1273 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1274 to effect no-op split.
1276 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1279 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1280 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1281 (BT_FN_VOID_PTR_INT_SIZE): New.
1282 (BT_FN_UINT_UINT_VAR): Remove.
1283 (BT_FN_UINT32_UINT32_VAR): New.
1284 (BT_FN_DOUBLE_VPTR): Remove.
1285 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1287 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1288 (_ITM_changeTransactionMode): Same.
1289 (_ITM_memmoveRtWt): Change return type to void.
1290 (_ITM_memcpyRtWt): Same.
1291 (_ITM_memsetW): Same.
1292 (_ITM_RaRD): Change types to double.
1297 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1299 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1300 Patrick Marlier <patrick.marlier@gmail.com>
1302 * trans-mem.c (requires_barrier): Do not instrument thread local
1303 variables and emit save/restore for them.
1305 2012-01-24 Jason Merrill <jason@redhat.com>
1308 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1309 output static aliases.
1311 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1314 * common.opt (-pie, -shared, pie, shared): Change from Common to
1316 * gcc.c (display_help): Display help for -pie and -shared.
1318 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1321 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1322 Remove note on size/offset limitation.
1323 (AVR Variable Attributes): Add example how to read data located
1324 with progmem. Refer to named address spaces.
1325 * doc/invoke.texi (AVR Options): Fix typo.
1327 2012-01-24 Richard Guenther <rguenther@suse.de>
1329 Forward-port to trunk
1330 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1333 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1334 op0 isn't sufficiently aligned and there is movmisalignM
1335 insn for mode, use it to load op0 into a temporary register.
1337 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1340 * target.def (const_not_ok_for_debug_p): New hook.
1341 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1343 * doc/tm.texi: Regenerated.
1344 * dwarf2out.c (const_ok_for_output_1): If
1345 targetm.const_not_ok_for_debug_p returns true, fail.
1346 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1348 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1350 2012-01-23 Kai Tietz <ktietz@redhat.com>
1353 * config/i386/predicates.md (symbolic_operand): Allow
1354 UNSPEC_PCREL as PIC expression for lea.
1355 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1356 * config/i386/i386.c (ix86_delegitimize_address): Handle
1357 UNSPEC_PCREL for none-MEM, too.
1359 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1361 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1362 (ipa_tm_create_version_alias): Same.
1364 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1367 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1368 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1370 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1371 Patrick Marlier <patrick.marlier@gmail.com>
1372 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1375 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1376 simple_object_start_read.
1378 2012-01-23 Richard Guenther <rguenther@suse.de>
1381 PR tree-optimization/51895
1382 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1383 parameter decomposition into BLKmode components.
1385 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1387 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1388 fake variables for restrict-qualified pointers whose pointed-to type
1389 contains a placeholder.
1391 2012-01-23 Richard Guenther <rguenther@suse.de>
1393 PR tree-optimization/51949
1394 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1396 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1398 PR rtl-optimization/51933
1399 * ree.c (transform_ifelse): Return true right away if dstreg is
1400 already wider or equal to cand->mode.
1401 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1402 (make_defs_and_copies_lists): Remove defs_list and copies_list
1403 arguments, add state argument, just truncate state->work_list
1404 instead of always allocating and freeing the vector. Assert that
1405 get_defs succeeds instead of returning 2. Changed return type to bool.
1406 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1407 have ext_src_mode, see if it has been modified already with the
1408 right kind of extension and has been extended before from the
1409 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1410 just return true. Remember the original mode in state->modified array.
1411 (combine_reaching_defs): Add state argument. Don't allocate and
1412 free here def_list, copied_list and vec vectors, instead just
1413 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1414 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1415 Add state variable, clear vectors in it, initialize state.modified
1416 if needed. Free all the vectors at the end and state.modified too.
1417 Don't skip a candidate if the extension expression has been modified.
1419 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1422 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1423 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1424 (extra_options) interix.opt -> i386/interix.opt"
1425 (extra_objs):Add winnt-stubs.o
1426 * configure.ac: Add interix to target_os .comm on PE check.
1427 * configure: Regenerate.
1428 * config/interix3.h: Delete and move bits to..
1429 * config/interix.h: Delete and move bits to..
1430 * config/i386/i386-interix3.h: Delete and move bits to..
1431 * config/i386/i386-interix.h: ..here.
1432 (TARGET_CPU_DEFAULT): Remove redefinition.
1433 (TARGET_ASM_CONSTRUCTOR): Undefine.
1434 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1435 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1436 (PTRDIFF_TYPE): Define.
1437 (LONG_DOUBLE_TYPE_SIZE): Define.
1438 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1439 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1440 (TARGET_SECTION_TYPE_FLAGS): Define.
1441 (ASM_DECLARE_FUNCTION_NAME): Define.
1442 (ASM_OUTPUT_EXTERNAL): Define.
1443 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1444 (ASM_OUTPUT_ALIGNED_BSS): Define.
1445 (PCC_BITFIELD_TYPE_MATTERS): Define.
1446 (USE_CONST_SECTION): Define.
1447 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1448 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1449 (SUPPORTS_ONE_ONLY): Remove.
1450 (I386_PE_STRIP_ENCODING): Define.
1451 * config/interix.opt: Delete and move bits to..
1452 * config/i386/interix.opt: ..here. New.
1453 (mpe-aligned-commons): Add.
1454 * config/i386/t-interix: Add copyright header.
1455 (winnt-stubs.o): Add rule.
1457 2012-01-22 Jason Merrill <jason@redhat.com>
1460 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1461 for extra name aliases.
1463 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1465 PR rtl-optimization/51924
1466 * ree.c (combine_set_extension): Improve debugging message.
1467 (combine_reaching_defs): Likewise.
1468 (get_defs): Rename confusingly named variable.
1469 (find_and_remove_re): Skip a candidate if the extension expression has
1472 2012-01-21 Robert Millan <rmh@gnu.org>
1473 Gerald Pfeifer <gerald@pfeifer.com>
1475 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1476 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1478 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1480 PR tree-optimization/51914
1481 * tree-vect-stmts.c (vectorizable_conversion): For
1482 cvt_type && modifier == WIDEN, put temporary with cvt_type
1483 at the beginning of vec_dsts and set vec_dest to temporary
1486 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1488 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1490 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1492 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1493 * config/rs6000/rs6000.c: Likewise.
1495 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1498 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1499 output_move_double on a copy of operands array.
1501 2012-01-20 Cary Coutant <ccoutant@google.com>
1502 Dodji Seketeli <dodji@redhat.com>
1505 * dwarf2out.c (copy_declaration_context): Return ref to parent
1506 of declaration DIE, if necessary.
1507 (remove_child_or_replace_with_skeleton): Add new parameter; update
1508 caller. Place skeleton DIE under parent DIE of original declaration.
1509 Move call to copy_declaration_context to here ...
1510 (break_out_comdat_types): ... from here.
1512 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1514 PR rtl-optimization/51856
1515 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1518 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1521 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1522 hints for neon loads and stores.
1524 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1528 * doc/extend.texi (Named Address Spaces): Split into subsections.
1529 (AVR Named Address Spaces): New subsection.
1530 (M32C Named Address Spaces): New subsection.
1531 (RL78 Named Address Spaces): New subsection.
1532 (SPU Named Address Spaces): New subsection.
1533 (Variable Attributes): New anchor "AVR Variable Attributes".
1534 (AVR Variable Attributes): Rewrite and avoid wording
1535 "address space" in this context.
1536 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1537 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1538 (AVR Built-in Macros): New subsubsection therein.
1539 * doc/md.texi (AVR constraints): Remove "C04", "R".
1541 2012-01-20 Richard Guenther <rguenther@suse.de>
1543 PR tree-optimization/51903
1544 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1545 when removing stmts.
1547 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1550 * config/arm/arm.c (arm_load_pic_register): Use
1551 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1552 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1553 (arm_pic_static_addr): Likewise.
1554 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1555 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1556 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1557 (pic_load_addr_unified): New.
1559 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1562 * function.c (instantiate_virtual_regs_in_insn): Use
1563 delete_insn_and_edges when removing a wrong asm insn.
1565 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1567 PR rtl-optimization/40761
1568 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1569 Add new member loop_num.
1570 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1571 (ira_build): Remove the parameter.
1573 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1574 (ira.c): Do not build CFG loops for one region allocation. Remove
1575 argument from ira_build call.
1577 * ira-build.c (init_loop_tree_node): New function.
1578 (create_loop_tree_nodes): Use it. Separate the case when CFG
1579 loops are not built.
1580 (more_one_region_p): Check current_loops.
1581 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1583 (add_loop_to_tree): Process loop equal to NULL too.
1584 (form_loop_tree): Separate the case when CFG loops are not built.
1585 Use explicitly number for the root.
1586 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1588 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1589 instead of loop->num.
1590 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1591 (mark_all_loops_for_removal): Ditto.
1592 (remove_unnecessary_regions): Separate the case when CFG loops
1594 (ira_build): Remove the parameter. Use explicit number of regions
1595 when CFG loops are not built.
1597 * ira-color.c (print_loop_title): Separate the case for the root node.
1598 Use loop_num instead of loop->num.
1599 (move_spill_restore): Use loop_num instead of loop->num.
1601 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1602 (change_loop): Ditto.
1603 (change_loop): Use loop_num instead of loop->num.
1605 * ira-lives.c (process_bb_node_lives): Ditto.
1607 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1609 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1611 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1614 * tree-mudflap.c (mf_artificial): New function.
1615 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1616 mx_register_decls, mudflap_enqueue_decl): Use it.
1619 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1620 numbers in the insn pattern.
1622 2012-01-19 Michael Matz <matz@suse.de>
1624 PR tree-optimization/46590
1625 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1626 use it in remembering which conflicts we already created.
1627 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1630 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1633 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1634 (merge_and_complain): Same.
1636 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1639 * config/initfini-array.h: Guard content of the header
1640 with #ifdef HAVE_INITFINI_ARRAY.
1641 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1642 Add initfini-array.h to tm_file here.
1643 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1644 * config.gcc: Don't add initfini-array.h to tm_file here.
1645 * configure: Regenerated.
1647 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1649 PR rtl-optimization/51505
1650 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1651 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1652 (df_note_bb_compute): Update the call to df_kill_notes.
1654 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1656 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1658 2012-01-18 Richard Guenther <rguenther@suse.de>
1660 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1661 of conversions to void *.
1663 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1664 Richard Sandiford <rdsandiford@googlemail.com>
1668 * optabs.h (simplify_expand_binop): Declare.
1669 * optabs.c (simplify_expand_binop): Make global.
1670 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1671 endian targets if the source cannot be exactly covered by word
1674 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1677 * hard-reg-set.h (struct hard_reg_set_container): New type.
1678 * target.h (struct hard_reg_set_container): Forward declare.
1679 * target.def (set_up_by_prologue): New target hook.
1680 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1681 * doc/tm.texi: Regenerated.
1682 * function.c (thread_prologue_and_epilogue_insns): Change
1683 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1684 Call targetm.set_up_by_prologue on it.
1685 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1686 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1688 2012-01-17 Nick Clifton <nickc@redhat.com>
1690 * config/rx/rx.c (rx_can_use_simple_return): New function.
1691 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1692 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1694 2012-01-17 Richard Guenther <rguenther@suse.de>
1697 * expr.c (expand_assignment): Take address-space information
1698 from the address operand of MEM_REF and TARGET_MEM_REF.
1699 (expand_expr_real_1): Likewise.
1701 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1703 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1704 reload dump is requested.
1706 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1709 * trans-mem.c (requires_barrier): Call may_be_aliased.
1711 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1713 PR tree-optimization/51877
1714 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1715 call arguments and fndecls compare equal, instead return false if they
1716 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1717 both SSA_NAMEs that are valueized the same, or they satisfy
1720 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1722 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1724 * configure: Regenerate.
1726 2012-01-16 Jan Hubicka <jh@suse.cz>
1730 * convert.c (convert_to_integer): Use fold_convert for
1731 converting an INTEGER_CST to integer type.
1733 2012-01-16 Jason Merrill <jason@redhat.com>
1736 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1738 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1741 * config/s390/s390.c (s390_chunkify_start): Don't skip
1742 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1743 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1744 If insn is followed by NOTE_INSN_VAR_LOCATION or
1745 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1746 Don't use location of note insns.
1748 PR tree-optimization/51865
1749 * tree-inline.c (tree_function_versioning): Call remap_decl
1750 on DECL_RESULT whenever it has VOID_TYPE_P type.
1752 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1754 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1755 for calls to locally-binding MIPS16 functions if only the return
1756 type uses float regs.
1758 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1759 Richard Sandiford <rdsandiford@googlemail.com>
1761 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1762 (SYMBOL_32_HIGH): Likewise.
1763 (mips_output_tls_reloc_directive): Declare.
1764 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1765 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1766 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1767 (mips_lo_relocs, mips_hi_relocs): Make extern.
1768 (mips16_stub_function): Move up file.
1769 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1770 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1771 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1772 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1773 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1774 (mips_get_tp): Add MIPS16 support.
1775 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1776 Generalize DTPREL and TPREL handling.
1777 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1778 Add MIPS16 TLS support.
1779 (mips_output_tls_reloc_directive): New function.
1780 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1781 * config/mips/predicates.md (symbolic_operand_with_high)
1782 (tls_reloc_operand): New predicates.
1783 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1784 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1785 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1786 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1787 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1788 (*tls_get_tp_mips16_call_<mode>): Likewise.
1790 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1792 PR rtl-optimization/51821
1793 * recog.c (peep2_find_free_register): Determine clobbered registers
1796 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1799 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1800 * config/avr/avr.c: Likewise.
1801 * config/avr/avr.h: Likewise.
1803 2012-01-13 Ian Lance Taylor <iant@google.com>
1806 * tree.h (TYPE_QUALS): Add cast to int.
1807 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1809 2012-01-13 Ian Lance Taylor <iant@google.com>
1811 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1812 comparing param_index to VEC_length result.
1814 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1816 * c-decl.c: Do not include tree-mudflap.h
1817 * tree-optimize.c: Likewise.
1818 * Makefile.in: Update dependencies.
1820 2012-01-13 Richard Guenther <rguenther@suse.de>
1823 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1824 variable-sized result always use RSO.
1826 2012-01-12 DJ Delorie <dj@redhat.com>
1828 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1829 pointer type, not just the default pointer type.
1831 2012-01-09 Richard Henderson <rth@redhat.com>
1832 Denis Chertykov <chertykov@gmail.com>
1835 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1836 * config/avr/avr.c (avr_can_eliminate): Simplify.
1837 (avr_initial_elimination_offset): Likewise.
1838 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1839 (expand_epilogue): Likewise.
1840 (avr_legitimize_address): Gut.
1841 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1842 (avr_hard_regno_nregs): New.
1843 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1844 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1845 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1846 add soft frame pointer.
1847 (CALL_USED_REGISTERS): Likewise.
1848 (REG_CLASS_CONTENTS): Likewise.
1849 (REGISTER_NAMES): Likewise.
1850 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1851 (HARD_FRAME_POINTER_REGNUM): New.
1852 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1853 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1854 remove the HARD_FRAME_POINTER self-elimination.
1856 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1859 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1860 DECL_EXTERNAL when checking for initializers of progmem variables.
1862 2012-01-12 Ira Rosen <irar@il.ibm.com>
1864 PR tree-optimization/51799
1865 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1866 that the last operation is a type demotion.
1868 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1870 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1871 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1873 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1876 * combine.c (distribute_notes): If i3 is a noreturn call,
1877 allow old_size to be equal to args_size and make sure the
1878 noreturn call gets REG_ARGS_SIZE note.
1879 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1880 on noreturn calls even when the delta is 0.
1882 2012-01-11 Nathan Sidwell <nathan@acm.org>
1884 * gcov.c (STRING_SIZE): Remove.
1885 (generate_results): Erase annotations for source files with no
1886 coverage information.
1888 (output_lines): Use it.
1890 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1892 * gimple.h (gimplify_body): Remove first argument.
1893 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1894 pointer set here, instead just pass DATA to walk_tree.
1895 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1896 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1897 (unvisit_body): Likewise, but with unmark_visited.
1898 (gimplify_body): Remove BODY_P argument and adjust.
1899 (gimplify_function_tree): Adjust call to gimplify_body.
1900 * omp-low.c (finalize_task_copyfn): Likewise.
1902 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1904 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1905 (build_function_type_skip_args): Delete.
1906 * tree.c (build_function_type_skip_args): Make static and add
1907 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1908 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1909 pass it to build_function_type_skip_args.
1910 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1911 (tree_function_versioning): Likewise.
1912 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1913 build_function_decl_skip_args.
1914 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1915 and pass it to build_function_decl_skip_args/tree_function_versioning.
1916 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1917 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1918 * trans-mem.c (ipa_tm_create_version): Likewise.
1919 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1920 * tree-inline.c (declare_return_variable): Remove always-true test.
1921 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1922 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1923 * ipa-split.c (split_function): Skip the return value for the split
1924 part if it doesn't return.
1926 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1928 PR tree-optimization/49642
1929 * ipa-split.c (forbidden_dominators): New variable.
1930 (check_forbidden_calls): New function.
1931 (dominated_by_forbidden): Likewise.
1932 (consider_split): Check for forbidden dominators.
1933 (execute_split_functions): Initialize and free forbidden
1934 dominators info; call check_forbidden_calls.
1936 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1938 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1940 2012-01-11 Nick Clifton <nickc@redhat.com>
1942 * config/rx/rx.md (return): Define pattern.
1944 2012-01-11 Richard Guenther <rguenther@suse.de>
1946 * doc/extend.texi (malloc attribute): Adjust according to
1949 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1950 Patrick Marlier <patrick.marlier@gmail.com>
1953 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1954 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1955 (ipa_tm_note_irrevocable): Same.
1956 (ipa_tm_scan_irr_block): Same.
1957 (ipa_tm_decrement_clone_counts): Same.
1958 (ipa_tm_scan_irr_function): Same.
1959 (ipa_tm_create_version_alias): Same.
1960 (ipa_tm_create_version): Same.
1961 (ipa_tm_transform_calls_redirect): Same.
1962 (ipa_tm_transform_calls): Same.
1963 (ipa_tm_transform_transaction): Same.
1964 (ipa_tm_execute): Same.
1966 2012-01-10 Richard Guenther <rguenther@suse.de>
1969 * opts.c (common_handle_option): Handle -Werror.
1971 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1973 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1976 2012-01-10 Jason Merrill <jason@redhat.com>
1978 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1981 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1983 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1984 supports R_386_TLS_GD_PLT reloc.
1985 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1986 supports R_386_TLS_LDM_PLT reloc.
1987 * configure: Regenerate.
1988 * config.in: Regenerate.
1990 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1993 Extend __pgmx semantics to linearize memory.
1994 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1995 determine if code comes inline or from libgcc.
1996 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1997 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1998 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1999 (movmemx_qi, movmemx_hi): New insns.
2000 (xload_<mode>_libgcc): Rewrite to new insn condition.
2001 (xload_<mode>): Remove insns.
2002 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2003 cases that don't satisfy avr_xload_libgcc_p().
2004 (avr_addr_space_convert): Allow converting in any direction.
2005 (avr_addr_space_subset_p): Return always true.
2006 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2007 (avr_emit_movmemhi): Ditto.
2008 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2009 (avr_out_movmem): Ditto.
2010 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2011 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2012 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2013 (avr_encode_section_info): Encode 'progmem' in symbol flags.
2014 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2016 2012-01-10 Richard Guenther <rguenther@suse.de>
2018 PR tree-optimization/50913
2019 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2020 Require data-refs to be representable by Graphite with respect
2023 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
2025 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2026 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2028 2012-01-10 Tom de Vries <tom@codesourcery.com>
2030 PR rtl-optimization/51271
2031 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2032 handling annulled branch.
2034 2012-01-10 Richard Henderson <rth@redhat.com>
2036 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2037 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2038 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2039 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2040 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2041 arm_expand_vec_perm_const): New.
2042 * config/arm/arm-protos.h: Update.
2043 * config/arm/neon.md (UNSPEC_VCONCAT): New.
2044 (*neon_vswp<VDQX>): New.
2045 (neon_vcombine<VDX>): Use neon_split_vcombine.
2046 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2047 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2048 (vec_perm<VE>): New.
2050 2012-01-10 Richard Henderson <rth@redhat.com>
2052 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2053 use it if reload_completed.
2054 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2055 arm_output_asm_insn, arm_process_output_memory_barrier,
2056 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2057 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2058 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2059 arm_process_output_sync_insn, arm_output_sync_insn,
2060 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2061 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2062 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2063 (emit_unlikely_jump): New.
2064 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2065 (arm_split_atomic_op): New.
2066 * config/arm/arm-protos.h: Update.
2067 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2068 (struct arm_sync_generator): Remove.
2069 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2070 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2071 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2072 (VUNSPEC_LL, VUNSPEC_SC): New.
2073 (sync_result, sync_memory, sync_required_value, sync_new_value,
2074 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2075 (attr length): Don't use arm_sync_loop_insns.
2076 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2077 (movsfcc, movdfcc): Likewise.
2078 * config/arm/constraints.md (Ua): New.
2079 * config/arm/prediates.md (mem_noofs_operand): New.
2080 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2081 (sync_clobber, sync_t2_reqd): Remove.
2082 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2083 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2084 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2085 (arm_sync_compare_and_swap<SIDI>): Remove.
2086 (arm_sync_compare_and_swap<NARROW>): Remove.
2087 (arm_sync_lock_test_and_set<SIDI>): Remove.
2088 (arm_sync_lock_test_and_set<NARROW>): Remove.
2089 (arm_sync_new_<syncop><SIDI>): Remove.
2090 (arm_sync_new_<syncop><NARROW>): Remove.
2091 (arm_sync_new_nand<SIDI>): Remove.
2092 (arm_sync_new_nand<NARROW>): Remove.
2093 (arm_sync_old_<syncop><SIDI>): Remove.
2094 (arm_sync_old_<syncop><NARROW>): Remove.
2095 (arm_sync_old_nand<SIDI>): Remove.
2096 (arm_sync_old_nand<NARROW>): Remove.
2097 (*memory_barrier): Merge arm_output_memory_barrier.
2098 (atomic_compare_and_swap<QHSD>): New.
2099 (atomic_compare_and_swap<NARROW>_1): New.
2100 (atomic_compare_and_swap<SIDI>_1): New.
2101 (atomic_exchange<QHSD>): New.
2102 (cas_cmp_operand, cas_cmp_str): New.
2103 (atomic_op_operand, atomic_op_str): New.
2104 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2105 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2106 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2107 (arm_load_exclusive<NARROW>): New.
2108 (arm_load_exclusivesi, arm_load_exclusivedi): New.
2109 (arm_store_exclusive<QHSD>): New.
2111 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2113 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2114 reload patterns if -mvsx-scalar-memory.
2116 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2117 generated, even -mno-vsx-scalar-double was used.
2118 (vsx_xscvdpsp_scalar): Likewise.
2119 (vsx_xscvspdp_scalar2): Likewise.
2121 2012-01-09 Tom de Vries <tom@codesourcery.com>
2122 Andrew Pinski <apinski@cavium.com>
2125 * reorg.c (fill_slots_from_thread): Don't speculate
2126 frame-related insns.
2128 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
2130 * sched-int.h (bb_note): Move to...
2131 * basic-block.h: ...here.
2132 * haifa-sched.c (bb_note): Move to...
2133 * cfgrtl.c: ...here.
2134 * function.c (next_block_for_reg): New function.
2135 (move_insn_for_shrink_wrap): Likewise.
2136 (prepare_shrink_wrap): Rewrite to use the above.
2138 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
2140 * gimple.c (is_gimple_non_addressable): Remove.
2141 * gimple.h: Remove is_gimple_non_addressable.
2142 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2143 is_gimple_non_addressable.
2144 * trans-mem.c (expand_assign_tm): Same.
2146 2012-01-09 Richard Guenther <rguenther@suse.de>
2148 PR tree-optimization/51775
2149 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2150 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2152 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2154 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2156 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2158 2012-01-09 Richard Guenther <rguenther@suse.de>
2160 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2162 2012-01-08 Jan Hubicka <jh@suse.cz>
2164 PR tree-optimize/51680
2165 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2166 on when known_vals needs to be computed; cleanup.
2168 2012-01-08 Jan Hubicka <jh@suse.cz>
2170 PR tree-optimize/51694
2171 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2173 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
2175 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2176 for -std=c++98 and -std=c++11 too.
2178 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
2180 * cfgloop.c (cancel_loop): Add free() of bbs array.
2182 2012-01-07 Jan Hubicka <jh@suse.cz>
2184 PR tree-optimization/51600
2185 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2186 that benefits small functions.
2188 2012-01-07 Jan Hubicka <jh@suse.cz>
2190 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2192 2012-01-07 Jan Hubicka <jh@suse.cz>
2194 PR tree-optimization/51680
2195 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2196 whose inlining reduce unit size.
2198 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2201 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2202 Add canonical node to containing_mem chain after the non-canonical
2203 one, even if there weren't any locs to propagate.
2204 (remove_useless_values): Keep only canonical values.
2205 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2206 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2207 canonicalize mem_chain elements that are not discarded.
2209 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2212 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2213 before emitting functions.
2215 PR gcov-profile/50127
2216 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2217 clear_aux_for_blocks.
2219 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
2222 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2224 2012-01-06 Arnaud Charlet <charlet@adacore.com>
2226 * c-decl.c (ext_block): Moved up.
2227 (collect_all_refs, for_each_global_decl): Take ext_block into account.
2229 2012-01-06 Han Shen <shenhan@google.com>
2231 Translate built-in include paths for sysroot.
2232 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2233 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2235 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2236 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2238 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2239 control whether sysroot should be prepended to gxx include dir.
2241 * configure: Regenerate.
2243 2012-01-06 Torvald Riegel <triegel@redhat.com>
2245 PR rtl-optimization/51771
2246 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2247 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2249 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2251 PR tree-optimization/51315
2252 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2253 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2255 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
2258 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2259 for shrp pattern. Correctly handle and fixup shift variable.
2260 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2262 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2265 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2266 note when !ACCUMULATE_OUTGOING_ARGS.
2268 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2270 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2272 (extract_range_from_unary_expr_1): Avoid useless computations.
2274 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2276 PR rtl-optimization/51767
2277 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2278 of jump_block and add an extra edge for degenerated asm gotos.
2281 * stmt.c (check_unique_operand_names): Don't ICE during error
2282 reporting if i is from labels chain.
2285 * profile.c (branch_prob): Split bbs that have exit edge
2286 and need a fake entry edge too.
2288 2012-01-05 Jan Hubicka <jh@suse.cz>
2291 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2294 2012-01-05 Richard Guenther <rguenther@suse.de>
2297 * tree-streamer-out.c (write_ts_optimization): New function.
2298 (streamer_write_tree_body): Call it.
2299 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2300 (streamer_read_tree_body): Call it.
2301 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2303 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2306 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2307 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2308 in_cleanup_point_expr before gimplify_stmt call and restore it
2310 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2311 in_cleanup_point_expr is false.
2313 2012-01-05 Richard Guenther <rguenther@suse.de>
2316 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2318 * toplev.c (process_options): Reject combining mudflap and LTO.
2319 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2321 2012-01-05 Richard Guenther <rguenther@suse.de>
2323 PR tree-optimization/51760
2324 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2326 (bit_value_unop): Handle UNDEFINED operands.
2327 (bit_value_binop): Likewise.
2329 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2331 * config/avr/avr.c (avr_replace_prefix): Remove.
2332 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2333 (avr_asm_function_rodata_section): Ditto.
2334 (avr_asm_select_section): Ditto.
2336 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2338 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2341 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2344 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2345 calls that have any non-fake successor edges.
2348 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2350 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2352 PR tree-optimization/51624
2353 * tree-sra.c (build_ref_for_model): When replicating a chain of
2354 COMPONENT_REFs, stop as soon as the offset would become negative.
2356 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2359 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2360 in .debug_loc on the floor.
2362 2012-01-04 Andrew Pinski <apinski@cavium.com>
2364 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2366 2012-01-04 Andrew Pinski <apinski@cavium.com>
2367 Adam Nemet <anemet@caviumnetworks.com>
2369 * config/mips/mips.md (size): Add SI and DI.
2370 (SIZE): New mode attribute.
2371 (U): New code attribute.
2372 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2373 (mips_lbux_<mode>): Delete.
2374 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2375 (mips_lhx): Use gen_mips_lhx_extsi.
2376 (mips_lhx_<mode>): Delete.
2378 (mips_l<size>x): New expand.
2379 (mips_lwx_<mode>): Delete.
2380 (mips_l<GPR:size>x_<P:mode>): New pattern.
2381 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2382 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2383 * config/mips/mips.c (mips_lx_address_p): New function.
2384 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2385 (dsp64): New availability predicate.
2386 (mips_builtins): Add an entry for __builtin_mips_ldx.
2387 * config/mips/mips.h (ISA_HAS_LBX): New define.
2388 (ISA_HAS_LBUX): Likewise.
2389 (ISA_HAS_LHX): Likewise.
2390 (ISA_HAS_LHUX): Likewise.
2391 (ISA_HAS_LWX): Likewise.
2392 (ISA_HAS_LWUX): Likewise.
2393 (ISA_HAS_LDX): Likewise.
2394 * doc/extend.texi (__builtin_mips_ldx): Document.
2396 2012-01-04 Tristan Gingold <gingold@adacore.com>
2398 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2399 when long pointers are used.
2400 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2401 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2402 (ia64-hp-*vms*): Remove.
2403 * config/vms/xm-vms64.h: Delete.
2405 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2408 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2410 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2412 * opts.c (finish_options): Remove duplicate sorry.
2414 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2417 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2420 2012-01-04 Richard Guenther <rguenther@suse.de>
2423 * tree.c (size_low_cst): New function.
2424 * tree.h (size_low_cst): Declare.
2425 * fold-const.c (fold_comparison): Use it to extract the low
2426 part of the POINTER_PLUS_EXPR offset.
2428 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2430 Fix clearing ZERO_REG
2431 * config/avr/avr.md (cc): Add alternative "ldi".
2432 (movqi_insn): Use it in cc attribute.
2433 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2434 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2435 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2437 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2439 * configure: Regenerate.
2441 2012-01-04 Richard Guenther <rguenther@suse.de>
2443 PR tree-optimization/49651
2444 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2445 (var_can_have_subvars): Use it.
2446 (get_constraint_for_1): Only consider subfields if there can be any.
2448 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2451 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2452 to its new canonical_cselib_val and the cselib_val was in
2453 first_containing_mem chain, but the canonical_cselib_val was not,
2454 add the latter into the chain.
2455 (cselib_invalidate_mem): Compare canonical_cselib_val of
2456 addr_list chain elt with v.
2459 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2460 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2462 (output_macinfo_op): Don't ggc_strdup fd->filename.
2463 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2464 then ggc_strdup it. Don't free inc->info or cur->info.
2465 (output_macinfo): Don't free ref->info or file->info.
2467 2012-01-03 Ira Rosen <irar@il.ibm.com>
2469 PR tree-optimization/51269
2470 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2471 first_niters a pointer.
2472 (slpeel_tree_peel_loop_to_edge): Likewise.
2473 (vect_do_peeling_for_loop_bound): Update call to
2474 slpeel_tree_peel_loop_to_edge.
2475 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2476 here. Remove it from the parameters list.
2477 (vect_do_peeling_for_alignment): Update calls and compute
2480 2012-01-03 Richard Guenther <rguenther@suse.de>
2482 PR tree-optimization/51070
2483 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2484 Properly handle calls.
2486 2012-01-03 Richard Guenther <rguenther@suse.de>
2488 PR tree-optimization/51692
2489 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2490 the LHS of allocation stmts.
2492 2012-01-03 Olivier Hainque <hainque@adacore.com>
2494 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2496 2012-01-03 Olivier Hainque <hainque@adacore.com>
2498 * collect2.c (main): In AIX specific computations for vector
2499 insertions, use CONST_CAST2 to cast from char ** to const char **.
2501 2012-01-03 Richard Guenther <rguenther@suse.de>
2504 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2505 the context of a limbo DIE when it does not already exist.
2507 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2509 PR tree-optimization/51719
2510 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2511 but direct call is, clear direct call's lhs and don't add fallthrough
2512 edge from dcall_bb to join_bb and PHIs.
2514 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2516 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2517 the instructions emitted by the pattern.
2518 ("*TDC_insn_<mode>"): Add comment.
2520 2012-01-03 Richard Guenther <rguenther@suse.de>
2523 * fold-const.c (fold_comparison): Properly canonicalize
2524 tree offset and HOST_WIDE_INT bit position.
2526 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2528 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2529 operands for extzv pattern.
2531 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2534 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2537 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2539 * doc/invoke.texi (-flto and related options): Copy-edit.
2541 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2543 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2545 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2547 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2550 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2552 * expr.h (move_by_pieces_ninsns): Declare.
2553 * expr.c (move_by_pieces_ninsns): Make external.
2554 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2555 (mips_store_by_pieces_p): Likewise.
2556 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2557 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2558 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2559 (mips_store_by_pieces_p): Likewise.
2561 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2563 * passes.c (register_one_dump_file): Free full_name.
2565 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2566 (calculate_elim_costs_all_insns): Free offsets_at and
2567 offsets_known_at at the end and clear the pointers.
2569 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2571 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2572 this option introduced in r180739.
2574 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2577 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2578 (tmake_file target=avr): Add avr/t-multilib.
2580 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2581 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2582 * config/avr/genmultilib.awk: New file.
2583 * config/avr/t-multilib: New auto-generated file.
2584 * config/avr/multilib.h: New auto-generated file.
2585 * config/avr/t-avr (AVR_MCUS): New variable.
2586 (genopt.sh): Use it.
2587 (s-mlib): Depend on t-multilib.
2588 (t-multilib, multilib.h): New dependencies.
2589 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2590 (MULTILIB_OPTIONS): Remove.
2591 (MULTILIB_MATCHES): Remove.
2592 (MULTILIB_DIRNAMES): Remove.
2593 (MULTILIB_EXCEPTIONS): Remove:
2594 * config/avr/genopt.sh: Don't use hard coded file name;
2595 pass AVR_MCUS from t-avr instead.
2597 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2599 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2601 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2603 Implement light-weight DImode support.
2604 * config/avr/avr-dimode.md: New file.
2605 * config/avr/avr.md: Include it.
2606 (adjust_len): Add plus64, compare64.
2607 (HIDI): Remove code iterator.
2608 (code_stdname): New code attribute.
2609 (rotx, rotsmode): Remove DI.
2610 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2612 * config/avr/avr-protos.h (avr_have_dimode): New.
2613 (avr_out_plus64, avr_out_compare64): New.
2614 * config/avr/avr.c (avr_out_compare): Handle DImode.
2615 (avr_have_dimode): New variable definition and initialization.
2616 (avr_out_compare64, avr_out_plus64): New functions.
2617 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2618 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2619 (avr_compare_pattern): Skip DImode comparisons.
2621 2012-01-02 Revital Eres <revital.eres@linaro.org>
2623 * ddg.c (def_has_ccmode_p): New function.
2624 (add_cross_iteration_register_deps,
2625 create_ddg_dep_from_intra_loop_link): Call it.
2627 2012-01-02 Richard Guenther <rguenther@suse.de>
2630 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2632 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2634 * gcc.c (process_command): Update copyright notice dates.
2635 * gcov.c (print_version): Likewise.
2636 * gcov-dump.c (print_version): Likewise.
2637 * mips-tfile.c (main): Likewise.
2638 * mips-tdump.c (main): Likewise.
2640 2012-01-01 Ira Rosen <irar@il.ibm.com>
2642 PR tree-optimization/51704
2643 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2644 a use is inside the basic block or loop before accessing its vect info.
2646 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2648 PR rtl-optimization/51069
2649 * cfgloopmanip.c (remove_path): Removing path making irreducible
2650 region unconditional makes BB part of the region.
2652 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2654 PR tree-optimization/51683
2655 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2656 calls with side-effects.
2657 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2659 Copyright (C) 2012 Free Software Foundation, Inc.
2661 Copying and distribution of this file, with or without modification,
2662 are permitted in any medium without royalty provided the copyright
2663 notice and this notice are preserved.
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