1 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
3 * doc/invoke.texi: Clean up "that"/"which" confusion.
5 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
7 * system.h: Poison SMALL_REGISTER_CLASSES
8 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
9 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
11 2012-02-16 Jakub Jelinek <jakub@redhat.com>
13 PR tree-optimization/52285
14 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
15 when deciding if a call is a tail call or tail recursion.
17 2012-02-16 Kai Tietz <ktietz@redhat.com>
19 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
20 interger-constant displacement for UNSPEC_PCREL.
22 2012-02-16 Jakub Jelinek <jakub@redhat.com>
24 PR rtl-optimization/52208
25 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
26 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
28 PR tree-optimization/52255
29 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
30 loop->header has virtual PHI, but exit_e->dest doesn't, add
31 virtual PHI to exit_e->dest and adjust all uses after the loop.
34 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
35 children with clone_tree_hash, not after it.
37 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
39 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
42 2012-02-16 Jakub Jelinek <jakub@redhat.com>
45 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
46 a same_body_alias, also test whether e->callee isn't a former
47 or current clone of the decl this is a same body alias of.
50 * cgraphunit.c (verify_cgraph_node): Fix a typo.
52 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
54 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
56 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
59 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
60 force_reg instead of copy_to_reg for better optimization. Force
61 non-register or memory operands into a register.
63 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
65 * extend.texi: Reserve upper bits of memory model for future use.
67 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
68 Anatoly Sokolov <aesok@post.ru>
69 Eric Weddington <eric.weddington@atmel.com>
72 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
73 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
74 Rewrite initializers for .macro.
75 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
76 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
77 atxmega32d4, atxmega32x1.
78 avrxmega4: atxmega64a3, atxmega64d3.
79 avrxmega5: atxmega64a1, atxmega64a1u.
80 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
81 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
82 avrxmega7: atxmega128a1, atxmega128a1u.
83 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
84 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
85 (struct base_arch_s): Rename reserved to xmega_p.
86 Rename reserved2 to have_rampd.
87 (AVR_XMEGA): New define.
88 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
89 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
90 * config/avr/predicates.md (io_address_operand): Take into
92 (low_io_address_operand): Ditto.
93 (high_io_address_operand): Ditto.
94 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
95 (enabled, movhi_sp_r): Use them.
96 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
97 cpp_define_formatted to built-in define __AVR_ARCH__.
98 (__AVR_XMEGA__): New built-in define.
99 (__AVR_HAVE_RAMPD__): New built-in define.
100 (__AVR_HAVE_RAMPX__): New built-in define.
101 (__AVR_HAVE_RAMPY__): New built-in define.
102 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
104 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
105 (avr_option_override): Initialize them.
106 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
107 (avr_init_expanders): Initialize them. No more block several calls.
108 (emit_push_sfr): New static function.
109 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
111 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
112 (avr_print_operand): Print addreeses as symbols for
113 RAMPX, RAMPY, RAMPD, CCP.
114 (output_movhi): Handle AVR_XMEGA when writing to SP.
115 (avr_out_movhi_mr_r_xmega): New static function.
116 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
117 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
118 __RAMPD__, __CCP__ as needed.
120 * config/avr/multilib.h: Regenerate.
121 * config/avr/t-multilib: Regenerate.
122 * config/avr/avr-tables.opt: Regenerate.
124 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
126 PR tree-optimization/50561
127 * graphite-flattening.c (lst_project_loop): Do not
128 remove old scattering dimensions after flattening.
129 (lst_do_flatten): Likewise.
131 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
133 * doc/extend.texi (AVR Built-in Functions): Remove doc for
134 __builtin_avr_map8, __builtin_avr_map16.
135 Document __builtin_avr_insert_bits.
137 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
138 (insert_bits): New insn.
139 (adjust_len.map_bits): Rename to insert_bits.
140 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
141 * avr-protos.h (avr_out_map_bits): Remove.
142 (avr_out_insert_bits, avr_has_nibble_0xf): New.
143 * config/avr/constraints.md (Cxf,C0f): New.
144 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
145 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
146 New built-in define __BUILTIN_AVR_INSERT_BITS.
147 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
148 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
149 (avr_move_bits): Rewrite.
150 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
152 (avr_map_op_t): New typedef.
153 (avr_map_op): New static variable.
154 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
155 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
156 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
157 (bdesc_3arg, avr_expand_triop_builtin): New.
158 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
159 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
160 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
161 (avr_map_equal_p, avr_map_sig_p): Remove.
162 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
163 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
164 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
165 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
166 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
167 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
169 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
171 * config/c6x/c6x.md (reserve_cycles): New attribute.
172 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
173 don't reserve functional units after the branch occurs.
175 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
178 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
179 functions into non-tm_pure functions.
181 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
184 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
185 (iterative_hash_canonical_type): Likewise.
186 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
189 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
191 * haifa-sched.c (prune_ready_list): Ensure that if there is a
192 sched-group insn, it either remains alone or the entire list is
195 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
197 * doc/install.texi (Prerequisites): Fix grammar.
198 (Configuration): Likewise.
200 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
202 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
203 MPC as part of GCC before describing configuring with --with-gmp etc.
204 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
207 2012-02-14 Jakub Jelinek <jakub@redhat.com>
210 * dwarf2out.c (clone_tree_hash): New function.
211 (copy_decls_walk): Use it instead of clone_tree.
213 2012-02-14 Richard Guenther <rguenther@suse.de>
215 PR tree-optimization/52244
216 PR tree-optimization/51528
217 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
218 replacements for integral types.
220 2012-02-14 Walter Lee <walt@tilera.com>
222 * config.gcc: Handle tilegx and tilepro.
223 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
225 Add HAVE_AS_TLS check for tilegx and tilepro.
226 * configure: Regenerate.
227 * doc/contrib.texi: Add Mat Hostetter and self.
228 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
229 Document instruction intrinsics and network accessing intrinsics.
230 (TILEPro Built-in Functions): New node. Document instruction
231 intrinsics and network accessing intrinsics.
232 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
233 (Specific, tilepro-*-linux*): Likewise.
234 * doc/invoke.texi (TILE-Gx Options): New section.
235 (TILEPro Options): New section.
236 * doc/md.texi (TILE-Gx): New section.
237 (TILEPro): New section.
238 * common/config/tilegx/tilegx-common.c: New file.
239 * common/config/tilepro/tilepro-common.c: New file.
240 * config/tilegx/constraints.md: New file.
241 * config/tilegx/linux.h: New file.
242 * config/tilegx/mul-tables.c: New file.
243 * config/tilegx/predicates.md: New file.
244 * config/tilegx/sync.md: New file.
245 * config/tilegx/t-tilegx: New file.
246 * config/tilegx/tilegx-builtins.h: New file.
247 * config/tilegx/tilegx-c.c: New file.
248 * config/tilegx/tilegx-generic.md: New file.
249 * config/tilegx/tilegx-modes.def: New file.
250 * config/tilegx/tilegx-multiply.h: New file.
251 * config/tilegx/tilegx-protos.h: New file.
252 * config/tilegx/tilegx.c: New file.
253 * config/tilegx/tilegx.h: New file.
254 * config/tilegx/tilegx.md: New file.
255 * config/tilegx/tilegx.opt: New file.
256 * config/tilepro/constraints.md: New file.
257 * config/tilepro/gen-mul-tables.cc: New file.
258 * config/tilepro/linux.h: New file.
259 * config/tilepro/mul-tables.c: New file.
260 * config/tilepro/predicates.md: New file.
261 * config/tilepro/t-tilepro: New file.
262 * config/tilepro/tilepro-builtins.h: New file.
263 * config/tilepro/tilepro-c.c: New file.
264 * config/tilepro/tilepro-generic.md: New file.
265 * config/tilepro/tilepro-modes.def: New file.
266 * config/tilepro/tilepro-multiply.h: New file.
267 * config/tilepro/tilepro-protos.h: New file.
268 * config/tilepro/tilepro.c: New file.
269 * config/tilepro/tilepro.h: New file.
270 * config/tilepro/tilepro.md: New file.
271 * config/tilepro/tilepro.opt: New file.
273 2012-02-14 Jakub Jelinek <jakub@redhat.com>
275 PR tree-optimization/52210
276 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
277 vect_model_simple_cost with two entry vect_def_type array instead
280 2012-02-14 Richard Guenther <rguenther@suse.de>
283 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
284 Do not stream DECL_QUALIFIER.
285 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
286 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
287 (find_decls_types_r): Do not walk DECL_QUALIFIER.
289 2012-02-14 Jakub Jelinek <jakub@redhat.com>
292 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
295 2012-02-13 Jakub Jelinek <jakub@redhat.com>
298 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
299 * cselib.c (cselib_subst_to_values_from_insn): New function.
300 * sched-deps.c (add_insn_mem_dependence,
301 sched_analyze_1, sched_analyze_2): Use it.
303 2012-02-13 Jan Hubicka <jh@suse.cz>
306 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
308 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
310 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
311 (GTM_SELF_SPECS): Define if not already defined.
312 (driver_self_specs): Add GTM_SELF_SPECS.
313 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
314 (GTM_SELF_SPECS): Define.
315 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
316 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
318 2012-02-13 Jakub Jelinek <jakub@redhat.com>
320 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
323 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is
327 * omp-low.c (expand_omp_for): If a static schedule without
328 chunk size has NULL region->cont, force fd.chunk_size to be
331 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
334 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
336 2012-02-13 Richard Guenther <rguenther@suse.de>
339 * passes.c (enable_disable_pass): Fix typo.
341 2012-02-13 Jakub Jelinek <jakub@redhat.com>
344 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
345 XOR for reduce_bit_field if type is unsigned.
347 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
349 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
350 disallow changes from SFmode to mode with different size in FP regs.
352 2012-02-12 Robert Millan <rmh@gnu.org>
353 Gerald Pfeifer <gerald@pfeifer.com>
355 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
358 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
360 PR rtl-optimization/52175
361 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
362 to frame-related instructions.
364 2012-02-10 Jason Merrill <jason@redhat.com>
367 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
368 (demangle_new_symbols): Fill it.
369 (scan_linker_output): Walk it.
370 (start_tweaking): Split out from scan_linker_output.
371 (maybe_tweak): Update sym->chosen.
372 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
374 2012-02-11 Jakub Jelinek <jakub@redhat.com>
377 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
380 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
382 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
383 having the same mode as previous compare.
385 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
387 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
388 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
389 (nonlocal_goto_internal): Likewise.
390 (nonlocal_goto): Emit a use and an indirect jump directly.
392 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
395 * doc/extend.texi : Update comments for __atomic_compare_exchange and
396 __atomic_{is,always}_lock_free.
398 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
401 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
402 negative constant address for x32.
404 2012-02-10 Richard Henderson <rth@redhat.com>
406 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
407 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
408 for GIMPLE_TRANSACTION. Tidy if's into a switch.
410 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
411 Ira Rosen <irar@il.ibm.com>
413 PR tree-optimization/50031
414 * targhooks.c (default_builtin_vectorization_cost): Handle
416 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
417 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
418 all types of reduction and pattern statements.
419 (vect_estimate_min_profitable_iters): Likewise.
420 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
421 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
422 for explicit realigns.
423 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
424 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
426 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
427 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
428 vec_perm for VSX and handle vec_promote_demote.
430 2012-02-10 Jakub Jelinek <jakub@redhat.com>
433 * builtins.c (fold_builtin_atomic_always_lock_free,
434 expand_builtin_atomic_always_lock_free,
435 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
436 Return and/or test boolean_true_node/boolean_false_node instead of
437 integer_one_node/integer_zero_node.
439 2012-02-10 Jan Hubicka <jh@suse.cz>
442 * predict.c (predict_paths_for_bb): Prevent looping.
443 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
445 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
447 * config/arm/arm.c (output_move_double): In one case properly
448 count number of instructions that will be emitted.
450 2012-02-10 Richard Guenther <rguenther@suse.de>
453 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
455 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
458 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
460 2012-02-09 Jakub Jelinek <jakub@redhat.com>
463 * var-tracking.c (emit_note_insn_var_location): If
464 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
465 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
466 non-NOTE_DURING_CALL_P insn.
468 2012-02-09 Bin Cheng <bin.cheng@arm.com>
471 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
473 2012-02-08 Magnus Granberg <zorry@gentoo.org>
476 * gcc.c (switch_matches) Support switches with separated form,
479 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
481 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
484 * config/avr/avr.c (avr_addr_t): New typedef.
485 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
486 (avr_init_expanders): Initialize it.
487 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
489 (expand_epilogue): Ditto.
490 (avr_print_operand): Ditto.
491 (avr_file_start): Ditto.
492 (avr_emit_movmemhi): Ditto.
494 2012-02-08 Richard Guenther <rguenther@suse.de>
496 PR tree-optimization/46886
497 * tree-flow.h (do_while_loop_p): Declare.
498 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
499 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
501 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
503 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
504 always succeed for integers larger than a native word.
506 2012-02-08 Richard Guenther <rguenther@suse.de>
508 PR rtl-optimization/52170
509 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
510 properly handle integer vector modes.
512 2012-02-08 Jakub Jelinek <jakub@redhat.com>
514 PR gcov-profile/52150
515 * coverage.c: Include target.h.
516 (build_var): Call targetm.strip_name_encoding on the assembler name.
517 Change one _ into . or $ if the target allows it.
518 * Makefile.in (coverage.o): Depend on $(TARGET_H).
520 PR rtl-optimization/52139
521 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
522 is a BARRIER after emit_insn_after_noloc, move BB_END
523 to the last non-BARRIER insn before it.
525 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
528 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
529 (mips_gimplify_va_arg_expr): Call it instead of
530 std_gimplify_va_arg_expr.
532 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
534 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
535 message for -mno-pointers-to-nested-function.
537 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
540 * expr.c (get_inner_reference): If there is an offset, add a negative
541 bit position to it (if any).
543 2012-02-07 Jakub Jelinek <jakub@redhat.com>
545 PR rtl-optimization/52060
546 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
547 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
548 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
549 and/or i0src_copy2 when needed.
551 2012-02-07 Jakub Jelinek <jakub@redhat.com>
553 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
554 or LTOPLUGINSONAME if have_c.
556 * config/freebsd-spec.h: Add comment about what macros can be defined
558 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
559 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
562 2012-02-07 Richard Guenther <rguenther@suse.de>
564 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
565 newline in -alias dumps.
567 2012-02-07 Kai Tietz <ktietz@redhat.com>
568 Dave Korn <dave.korn.cygwin@gmail.com>
571 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
572 Take care that typinfo gets dllexport-attribute.
574 2012-02-07 Jakub Jelinek <jakub@redhat.com>
577 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
578 if modifier < EXPAND_SUM call force_operand on the result.
580 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
582 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
583 adding __forwarder_dst__ prefix if a forwarder_section attribute is
585 (epiphany_function_type): Replace types for specific interrupts with
586 EPIPHANY_FUNCTION_INTERRUPT.
587 (EPIPHANY_INTERRUPT_P): Update.
588 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
590 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
591 <disinterrupt>: Affects type identity.
592 (epiphany_handle_interrupt_attribute): Handle variable number of
594 (epiphany_compute_function_type): Update for new
595 epiphany_function_type definition.
596 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
597 handlers with a longcall forwarder.
598 (epiphany_start_function): Handle multiple interrupt arguments and/or
599 forwarder_section attribute.
601 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
604 2012-02-07 Alan Modra <amodra@gmail.com>
607 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
610 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
612 PR tree-optimization/50969
613 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
614 use vec_perm rather than vector_stmt.
615 (vect_model_load_cost): Likewise.
616 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
617 vec_perm to be the same as other vector statements.
618 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
619 cost of vec_perm for TARGET_VSX.
621 2012-02-06 Richard Guenther <rguenther@suse.de>
623 PR tree-optimization/52115
624 * tree-sra.c (access_has_replacements_p): New function.
625 (sra_modify_assign): Use it to decide whether a use is uninitialized.
627 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
630 * trans-mem.c (expand_call_tm): Add an assertion.
631 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
634 2012-02-06 Richard Guenther <rguenther@suse.de>
636 PR tree-optimization/50955
637 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
638 raise cost of expressions that replace an address with an
639 expression based on a different pointer.
641 2012-02-06 Jakub Jelinek <jakub@redhat.com>
644 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
645 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
647 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
650 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
651 -Weffc++ and specify guidelines come from second edition.
653 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
655 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
656 (sibcall_value_multiple_internal, call_split, call_internal_direct)
657 (call_direct_split, call_value_split, call_value_internal_direct)
658 (call_value_direct_split, call_value_multiple_split): Use jal and
659 jal_macro attributes.
661 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
663 * reload1.c (reload_regs_reach_end_p): Replace with...
664 (reload_reg_rtx_reaches_end_p): ...this function.
665 (new_spill_reg_store): Update commentary.
666 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
667 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
668 before setting new_spill_reg_store.
669 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
670 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
671 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
672 for non-spill reload registers.
674 2012-02-05 Ira Rosen <irar@il.ibm.com>
676 PR tree-optimization/52091
677 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
678 (vect_is_simple_use_1): Likewise.
679 * tree-vect-loop.c (vectorizable_reduction): Update calls
680 to vect_is_simple_use_1 and vect_is_simple_use.
681 (vectorizable_live_operation): Likewise.
682 * tree-vect-patterns.c (widened_name_p,
683 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
684 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
685 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
686 vectorizable_shift,vectorizable_operation, vectorizable_store,
687 vectorizable_load): Likewise.
688 (vect_is_simple_cond): Add an argument, pass it to
689 vect_is_simple_use_1.
690 (vectorizable_condition): Update calls to vect_is_simple_cond,
692 (vect_is_simple_use): Add an argument, the statement in which
693 OPERAND is used. Check that if OPERAND's def stmt is a double
694 reduction phi node, the use is a phi node too.
695 (vect_is_simple_use_1): Add an argument, pass it to
697 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
698 to vect_is_simple_use.
700 2012-02-04 Jakub Jelinek <jakub@redhat.com>
702 PR rtl-optimization/52095
703 * modulo-sched.c (dump_insn_locator): New function.
704 (loop_canon_p, sms_schedule): Use it.
706 PR rtl-optimization/52113
707 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
708 even for decomposable shift/zext insns.
710 2012-02-03 Jakub Jelinek <jakub@redhat.com>
711 Zdenek Dvorak <ook@ucw.cz>
713 PR rtl-optimization/52092
714 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
715 on get_iv_value result.
717 2012-02-02 Andrew Pinski <apinski@cavium.com>
721 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
723 2012-02-02 Jakub Jelinek <jakub@redhat.com>
726 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
728 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
730 PR rtl-optimization/49800
731 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
732 (sched_finish): Call regstat_free_n_sets_and_refs.
734 2012-02-02 Jia Liu <proljc@gmail.com>
736 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
739 2012-02-02 Jan Hubicka <jh@suse.cz>
740 Tom de Vries <tom@codesourcery.com>
743 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
744 * varpool.c (varpool_analyze_pending_decls): Likewise.
746 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
747 Jayant R Sonar <jayant.sonar@kpitcummins.com>
749 * config.gcc: Add cr16-* support.
751 * doc/extend.texi: Document cr16 extensions.
752 * doc/install.texi: Document cr16 install.
753 * doc/invoke.texi: Document cr16 options.
754 * doc/md.texi: Document cr16 constraints.
756 * common/config/cr16/cr16-common.c: New file.
757 * config/cr16/cr16.c: New file.
758 * config/cr16/cr16.h: New file.
759 * config/cr16/cr16.md: New file.
760 * config/cr16/cr16.opt: New file.
761 * config/cr16/cr16-protos.h: New file.
762 * config/cr16/predicates.md: New file.
763 * config/cr16/constraints.md: New file.
764 * config/cr16/t-cr16: New file.
766 2012-02-02 Jakub Jelinek <jakub@redhat.com>
769 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
770 that operands[2] is either immediate, or q_regs_operand.
772 PR tree-optimization/52073
773 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
774 a pattern stmt for pattern uses, ignore uses outside of the loop.
776 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
778 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
779 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
780 (OUT_AS1, OUT_AS2): Remove.
782 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
784 PR rtl-optimization/51374
785 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
786 to cross other volatile_refs_p insns.
788 2012-02-01 Richard Guenther <rguenther@suse.de>
790 * doc/invoke.texi (fno-inline): Clarify documentation.
791 (finline-small-functions): Likewise.
792 (finline-functions): Likewise.
793 * common.opt (finline): Adjust comment and documentation.
794 (finline-small-functions): Clarify documentation.
795 (finline-functions): Likewise.
796 (finline-functions-called-once): Likewise.
798 2012-02-01 Tristan Gingold <gingold@adacore.com>
800 * c-typeck.c (composite_type): Keep mode for pointers.
802 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
804 * function.h (regno_reg_rtx): Adjust comment.
805 * reginfo.c (init_reg_modes_target): Only use the previous mode
806 if it fits within one register. Remove MIPS comment.
808 2012-01-31 Jakub Jelinek <jakub@redhat.com>
811 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
813 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
815 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
818 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
820 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
822 2012-01-31 Jakub Jelinek <jakub@redhat.com>
827 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
829 2012-01-31 Richard Guenther <rguenther@suse.de>
831 PR tree-optimization/51528
832 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
835 2012-01-31 Jakub Jelinek <jakub@redhat.com>
840 * ree.c (add_removable_extension): Change def_map argument
841 to unsigned *, store in def_map 1 + offset into *insn_list vector
842 instead of pointers into the vector.
843 (find_removable_extensions): Adjust caller.
845 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
847 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
848 Transform all "* quoted-c-code" to { c-code }.
849 Remove redundant test for "optimize" in combine patterns.
850 Move (include "avr-dimode.md") to end of file.
852 2012-01-30 Bin Cheng <bin.cheng@arm.com>
855 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
856 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
858 2012-01-30 Richard Guenther <rguenther@suse.de>
860 PR tree-optimization/52028
861 * tree-loop-distribution.c (ldist_gen): Properly update
864 2012-01-30 Jakub Jelinek <jakub@redhat.com>
867 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
868 set_cur_line_info_table if not emitting debug info.
870 PR tree-optimization/52046
871 * tree-vect-patterns.c (check_bool_pattern): Give up if
872 a comparison could throw.
875 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
877 2012-01-30 Richard Guenther <rguenther@suse.de>
879 PR tree-optimization/52045
880 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
881 SSA form if cfgcleanup did anything.
883 2012-01-30 Richard Guenther <rguenther@suse.de>
885 PR tree-optimization/52045
886 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
887 before computing final todo.
889 2012-01-30 Richard Guenther <rguenther@suse.de>
891 PR tree-optimization/51528
892 * tree-sra.c (sra_modify_assign): Re-factor in preparation
895 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
897 * df-problems.c (df_kill_notes): Check that the use refers
898 to the note under examination.
900 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
903 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
904 parameter and use short-lived pseudos.
905 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
906 (sparc_expand_vector_init): Const-ify local variables and adjust
907 calls to above functions.
909 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
911 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
913 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
915 * doc/invoke.texi: Make usage of "compile time" and
916 "run time"/"runtime" consistent throughout the file.
918 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
920 * config/alpha/alpha.c (alpha_option_override): Default to
921 full IEEE compliance mode for Go language.
923 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
925 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
926 (LINK_SSP_SPEC): Define.
928 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
931 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
934 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
936 * doc/invoke.texi: Correct hyphenation of "floating point",
937 "double precision", and related terminology throughout the file.
939 2012-01-28 Jakub Jelinek <jakub@redhat.com>
942 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
943 arm_general_register_operand predicate for operand 2 instead of
946 2012-01-27 Ian Lance Taylor <iant@google.com>
949 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
950 * builtins.c (expand_builtin_init_trampoline): Add onstack
951 parameter. Change caller.
952 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
953 * tree.c (build_common_builtin_nodes): Declare
954 __builtin_init_heap_trampoline.
956 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
958 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
959 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
960 * config/avr/avr.c: Ditto.
961 (avr_regnames): Remove because unused.
962 * config/avr/avr.md (*cpse.ne): New peephole.
963 (*cpse.eq): New peephole from former cpse peepholes.
965 2012-01-27 Michael Eager <eager@eagercon.com>
967 * config/microblaze.c (microblaze_emit_compare): Correct
968 test after pcmp instruction.
970 2012-01-27 Richard Guenther <rguenther@suse.de>
972 PR tree-optimization/52020
973 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
975 2012-01-27 Richard Guenther <rguenther@suse.de>
977 * ipa-pure-const.c (check_stmt): Clobbers do not make a
978 function non-const/pure.
980 2012-01-27 Richard Guenther <rguenther@suse.de>
982 PR tree-optimization/50444
983 * tree-sra.c (build_ref_for_offset): Properly adjust the
984 MEM_REF type for unaligned accesses.
986 2012-01-27 Richard Guenther <rguenther@suse.de>
988 PR tree-optimization/50444
989 * expr.c (mem_ref_refers_to_non_mem_p): New function.
990 (expand_assignment): Use it. Properly handle misaligned
991 bases when expanding stores to component references.
992 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
995 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
998 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
999 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1000 * tree-data-ref.c (find_data_references_in_loop): Make static.
1001 (compute_all_dependences): Change return type to bool. Bail out
1002 for too many datarefs in a loop. Move the hunk resetting the data
1003 dependences vector from ...
1004 (compute_data_dependences_for_loop): ... here. Account for
1005 compute_all_dependences returning false.
1006 (compute_data_dependences_for_bb): Likewise.
1007 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1008 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1010 2012-01-27 Richard Guenther <rguenther@suse.de>
1013 * expr.c (store_field): Use the alias-set of the scratch memory
1016 2012-01-27 Tom de Vries <tom@codesourcery.com>
1018 PR tree-optimization/51990
1019 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1021 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1023 2012-01-27 Jakub Jelinek <jakub@redhat.com>
1026 * var-tracking.c (reverse_op): Don't add any reverse operation
1027 if V already has any constant locations.
1029 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1031 * doc/invoke.texi: Correct usage of "command line" (noun)
1032 vs "command-line" (adjective) throughout.
1034 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1036 * doc/invoke.texi (Language Independent Options): Move
1037 -Wcoverage-mismatch blurb from here....
1038 (Warning Options): ...to here.
1040 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
1042 * config/rs6000/rs6000.c (rs6000_option_override_internal):
1043 Set rs6000_always_hint to false for 476.
1045 2012-01-27 Matthias Klose <doko@ubuntu.com>
1047 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1049 * incpath.c (add_standard_paths): Likewise.
1051 2012-01-27 Richard Henderson <rth@redhat.com>
1053 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1054 * config/m68k/sync.md (atomic_test_and_set): Rename from
1055 sync_test_and_setqi and adjust the operands.
1056 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1057 and unconditionally enable.
1059 2012-01-27 Richard Henderson <rth@redhat.com>
1061 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1062 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1063 (ldstub): Rename from ldstubqi.
1064 (ldstub<I24MODE>): Remove.
1066 2012-01-27 Richard Henderson <rth@redhat.com>
1068 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1069 * c-cppbuiltin.c (cpp_atomic_builtins): Define
1070 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1071 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1072 * doc/tm.texi: Rebuild.
1074 2012-01-27 Richard Henderson <rth@redhat.com>
1076 * optabs.c (gen_atomic_test_and_set): Remove default.
1077 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1079 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1081 PR rtl-optimization/51978
1082 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1083 (combine_reaching_defs): Likewise.
1084 (struct re_info): Remove.
1085 (add_removable_extension): Remove x and data arguments,
1086 add insn, insn_list and def_map. Use the arguments directly
1087 instead of using struct re_info.
1088 (find_removable_extensions): Don't call add_removable_extension
1089 through note_stores, instead just call it with single_set
1091 (find_and_remove_re): Pass curr_cand->expr instead of
1092 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1094 2012-01-26 Michael Matz <matz@suse.de>
1096 PR tree-optimization/46590
1097 * cfgexpand.c: Revert last change (r183305).
1098 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1100 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1101 checking for emptiness.
1103 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1106 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1107 non-addressable non-BLKmode base correctly.
1109 2012-01-26 Michael Matz <matz@suse.de>
1111 PR tree-optimization/48794
1112 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1113 regions referenced from RESX/EH_DISPATCH.
1115 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1117 * config/s390/s390.h: Make BRANCH_COST an option.
1118 * config/s390/s390.opt: New option -mbranch-cost.
1120 2012-01-26 Richard Henderson <rth@redhat.com>
1122 Revert 2012-01-24 change:
1123 * trans-mem.c (requires_barrier): Do not instrument thread local
1124 variables and emit save/restore for them.
1126 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1129 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1132 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
1134 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1137 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
1140 Rename __pgm to __flash.
1141 Rename __pgm1 to __flash1.
1142 Rename __pgm2 to __flash2.
1143 Rename __pgm3 to __flash3.
1144 Rename __pgm4 to __flash4.
1145 Rename __pgm5 to __flash5.
1146 Rename __pgmx to __memx.
1147 * doc/extend.texi (AVR Named Address Spaces)
1148 Rename address space names as indicated above.
1149 * config/avr/avr.c (avr_addrspace): Ditto.
1151 * config/avr/avr-protos.h
1152 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1153 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1154 * config/avr/predicates.md: Ditto.
1155 * config/avr/avr.c Ditto, and
1156 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1157 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1159 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1160 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1161 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1162 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1163 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1164 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1165 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1166 * config/avr/avr.c: Ditto.
1167 * config/avr/avr.md: Ditto.
1169 2012-01-25 Jason Merrill <jason@redhat.com>
1172 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1174 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1176 PR tree-optimization/51987
1177 * tree-data-ref.c (get_references_in_stmt): Handle references in
1178 non-volatile GIMPLE_ASM.
1180 2012-01-25 Richard Guenther <rguenther@suse.de>
1182 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1183 bases are dereferenced.
1185 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1187 PR rtl-optimization/48374
1188 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1190 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1192 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1193 compute_data_dependences_for_loop returns false.
1194 * tree-parloops.c (loop_parallel_p): Likewise.
1196 2012-01-25 Richard Guenther <rguenther@suse.de>
1198 * tree.h (get_pointer_alignment_1): Declare.
1199 * builtins.c (get_pointer_alignment_1): New function.
1200 (get_pointer_alignment): Use it.
1202 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1204 PR rtl-optimization/48308
1205 * combine.c (enum undo_kind): Add UNDO_LINKS.
1206 (struct undo): Add member l to other_contents and where.
1207 (do_SUBST_LINK): New.
1209 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1210 (undo_all): Handle UNDO_LINKS.
1212 2012-01-25 Richard Henderson <rth@redhat.com>
1214 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1217 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1219 * optabs.c (gen_atomic_test_and_set): Use each argument.
1221 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1223 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1224 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1225 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1226 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1227 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1228 TARGET_PAIRED_SINGLE_FLOAT.
1230 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1232 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1233 (in_struct, return_val): Remove MEM documentation.
1234 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1235 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1236 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1238 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1239 * cfgexpand.c (add_alias_set_conflicts): Likewise.
1240 * expr.c (store_field): Likewise.
1241 * function.c (assign_stack_temp_for_type): Likewise.
1242 * ifcvt.c (noce_try_cmove_arith): Likewise.
1243 * reload1.c (reload): Likewise.
1244 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1245 (alpha_set_memflags): Likewise.
1246 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1248 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1250 * rtl.h (true_dependence, canon_true_dependence): Remove varies
1252 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1253 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1254 (true_dependence_1, true_dependence, canon_true_dependence): Remove
1256 * cselib.c (cselib_rtx_varies_p): Delete.
1257 (cselib_invalidate_mem): Update call to canon_true_dependence.
1258 * dse.c (record_store, check_mem_read_rtx): Likewise.
1259 (scan_reads_nospill): Likewise.
1260 * cse.c (check_dependence): Likewise.
1261 (cse_rtx_varies_p): Delete.
1262 * expr.c (safe_from_p): Update call to true_dependence.
1263 * ira.c (validate_equiv_mem_from_store): Likewise.
1264 (memref_referenced_p): Likewise.
1265 * postreload-gcse.c (find_mem_conflicts): Likewise.
1266 * sched-deps.c (sched_analyze_2): Likewise.
1267 * store-motion.c (load_kills_store): Likewise.
1268 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1269 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1270 (compute_transp): Update call to canon_true_dependence.
1272 2012-01-25 Richard Henderson <rth@redhat.com>
1274 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1275 (maybe_emit_atomic_test_and_set): New.
1276 (expand_sync_lock_test_and_set): Use it.
1277 (expand_atomic_test_and_set): Likewise.
1278 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1279 the implementation; clarify implementation defined details.
1280 * doc/md.texi (atomic_test_and_set): Document.
1282 2012-01-25 Richard Henderson <rth@redhat.com>
1284 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1286 2012-01-25 Richard Henderson <rth@redhat.com>
1289 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1290 to effect no-op split.
1292 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1295 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1296 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1297 (BT_FN_VOID_PTR_INT_SIZE): New.
1298 (BT_FN_UINT_UINT_VAR): Remove.
1299 (BT_FN_UINT32_UINT32_VAR): New.
1300 (BT_FN_DOUBLE_VPTR): Remove.
1301 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1303 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1304 (_ITM_changeTransactionMode): Same.
1305 (_ITM_memmoveRtWt): Change return type to void.
1306 (_ITM_memcpyRtWt): Same.
1307 (_ITM_memsetW): Same.
1308 (_ITM_RaRD): Change types to double.
1313 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1315 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1316 Patrick Marlier <patrick.marlier@gmail.com>
1318 * trans-mem.c (requires_barrier): Do not instrument thread local
1319 variables and emit save/restore for them.
1321 2012-01-24 Jason Merrill <jason@redhat.com>
1324 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1325 output static aliases.
1327 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1330 * common.opt (-pie, -shared, pie, shared): Change from Common to
1332 * gcc.c (display_help): Display help for -pie and -shared.
1334 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1337 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1338 Remove note on size/offset limitation.
1339 (AVR Variable Attributes): Add example how to read data located
1340 with progmem. Refer to named address spaces.
1341 * doc/invoke.texi (AVR Options): Fix typo.
1343 2012-01-24 Richard Guenther <rguenther@suse.de>
1345 Forward-port to trunk
1346 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1349 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1350 op0 isn't sufficiently aligned and there is movmisalignM
1351 insn for mode, use it to load op0 into a temporary register.
1353 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1356 * target.def (const_not_ok_for_debug_p): New hook.
1357 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1359 * doc/tm.texi: Regenerated.
1360 * dwarf2out.c (const_ok_for_output_1): If
1361 targetm.const_not_ok_for_debug_p returns true, fail.
1362 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1364 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1366 2012-01-23 Kai Tietz <ktietz@redhat.com>
1369 * config/i386/predicates.md (symbolic_operand): Allow
1370 UNSPEC_PCREL as PIC expression for lea.
1371 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1372 * config/i386/i386.c (ix86_delegitimize_address): Handle
1373 UNSPEC_PCREL for none-MEM, too.
1375 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1377 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1378 (ipa_tm_create_version_alias): Same.
1380 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1383 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1384 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1386 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1387 Patrick Marlier <patrick.marlier@gmail.com>
1388 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1391 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1392 simple_object_start_read.
1394 2012-01-23 Richard Guenther <rguenther@suse.de>
1397 PR tree-optimization/51895
1398 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1399 parameter decomposition into BLKmode components.
1401 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1403 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1404 fake variables for restrict-qualified pointers whose pointed-to type
1405 contains a placeholder.
1407 2012-01-23 Richard Guenther <rguenther@suse.de>
1409 PR tree-optimization/51949
1410 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1412 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1414 PR rtl-optimization/51933
1415 * ree.c (transform_ifelse): Return true right away if dstreg is
1416 already wider or equal to cand->mode.
1417 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1418 (make_defs_and_copies_lists): Remove defs_list and copies_list
1419 arguments, add state argument, just truncate state->work_list
1420 instead of always allocating and freeing the vector. Assert that
1421 get_defs succeeds instead of returning 2. Changed return type to bool.
1422 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1423 have ext_src_mode, see if it has been modified already with the
1424 right kind of extension and has been extended before from the
1425 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1426 just return true. Remember the original mode in state->modified array.
1427 (combine_reaching_defs): Add state argument. Don't allocate and
1428 free here def_list, copied_list and vec vectors, instead just
1429 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1430 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1431 Add state variable, clear vectors in it, initialize state.modified
1432 if needed. Free all the vectors at the end and state.modified too.
1433 Don't skip a candidate if the extension expression has been modified.
1435 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1438 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1439 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1440 (extra_options) interix.opt -> i386/interix.opt"
1441 (extra_objs):Add winnt-stubs.o
1442 * configure.ac: Add interix to target_os .comm on PE check.
1443 * configure: Regenerate.
1444 * config/interix3.h: Delete and move bits to..
1445 * config/interix.h: Delete and move bits to..
1446 * config/i386/i386-interix3.h: Delete and move bits to..
1447 * config/i386/i386-interix.h: ..here.
1448 (TARGET_CPU_DEFAULT): Remove redefinition.
1449 (TARGET_ASM_CONSTRUCTOR): Undefine.
1450 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1451 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1452 (PTRDIFF_TYPE): Define.
1453 (LONG_DOUBLE_TYPE_SIZE): Define.
1454 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1455 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1456 (TARGET_SECTION_TYPE_FLAGS): Define.
1457 (ASM_DECLARE_FUNCTION_NAME): Define.
1458 (ASM_OUTPUT_EXTERNAL): Define.
1459 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1460 (ASM_OUTPUT_ALIGNED_BSS): Define.
1461 (PCC_BITFIELD_TYPE_MATTERS): Define.
1462 (USE_CONST_SECTION): Define.
1463 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1464 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1465 (SUPPORTS_ONE_ONLY): Remove.
1466 (I386_PE_STRIP_ENCODING): Define.
1467 * config/interix.opt: Delete and move bits to..
1468 * config/i386/interix.opt: ..here. New.
1469 (mpe-aligned-commons): Add.
1470 * config/i386/t-interix: Add copyright header.
1471 (winnt-stubs.o): Add rule.
1473 2012-01-22 Jason Merrill <jason@redhat.com>
1476 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1477 for extra name aliases.
1479 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1481 PR rtl-optimization/51924
1482 * ree.c (combine_set_extension): Improve debugging message.
1483 (combine_reaching_defs): Likewise.
1484 (get_defs): Rename confusingly named variable.
1485 (find_and_remove_re): Skip a candidate if the extension expression has
1488 2012-01-21 Robert Millan <rmh@gnu.org>
1489 Gerald Pfeifer <gerald@pfeifer.com>
1491 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1492 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1494 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1496 PR tree-optimization/51914
1497 * tree-vect-stmts.c (vectorizable_conversion): For
1498 cvt_type && modifier == WIDEN, put temporary with cvt_type
1499 at the beginning of vec_dsts and set vec_dest to temporary
1502 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1504 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1506 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1508 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1509 * config/rs6000/rs6000.c: Likewise.
1511 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1514 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1515 output_move_double on a copy of operands array.
1517 2012-01-20 Cary Coutant <ccoutant@google.com>
1518 Dodji Seketeli <dodji@redhat.com>
1521 * dwarf2out.c (copy_declaration_context): Return ref to parent
1522 of declaration DIE, if necessary.
1523 (remove_child_or_replace_with_skeleton): Add new parameter; update
1524 caller. Place skeleton DIE under parent DIE of original declaration.
1525 Move call to copy_declaration_context to here ...
1526 (break_out_comdat_types): ... from here.
1528 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1530 PR rtl-optimization/51856
1531 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1534 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1537 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1538 hints for neon loads and stores.
1540 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1544 * doc/extend.texi (Named Address Spaces): Split into subsections.
1545 (AVR Named Address Spaces): New subsection.
1546 (M32C Named Address Spaces): New subsection.
1547 (RL78 Named Address Spaces): New subsection.
1548 (SPU Named Address Spaces): New subsection.
1549 (Variable Attributes): New anchor "AVR Variable Attributes".
1550 (AVR Variable Attributes): Rewrite and avoid wording
1551 "address space" in this context.
1552 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1553 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1554 (AVR Built-in Macros): New subsubsection therein.
1555 * doc/md.texi (AVR constraints): Remove "C04", "R".
1557 2012-01-20 Richard Guenther <rguenther@suse.de>
1559 PR tree-optimization/51903
1560 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1561 when removing stmts.
1563 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1566 * config/arm/arm.c (arm_load_pic_register): Use
1567 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1568 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1569 (arm_pic_static_addr): Likewise.
1570 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1571 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1572 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1573 (pic_load_addr_unified): New.
1575 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1578 * function.c (instantiate_virtual_regs_in_insn): Use
1579 delete_insn_and_edges when removing a wrong asm insn.
1581 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1583 PR rtl-optimization/40761
1584 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1585 Add new member loop_num.
1586 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1587 (ira_build): Remove the parameter.
1589 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1590 (ira.c): Do not build CFG loops for one region allocation. Remove
1591 argument from ira_build call.
1593 * ira-build.c (init_loop_tree_node): New function.
1594 (create_loop_tree_nodes): Use it. Separate the case when CFG
1595 loops are not built.
1596 (more_one_region_p): Check current_loops.
1597 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1599 (add_loop_to_tree): Process loop equal to NULL too.
1600 (form_loop_tree): Separate the case when CFG loops are not built.
1601 Use explicitly number for the root.
1602 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1604 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1605 instead of loop->num.
1606 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1607 (mark_all_loops_for_removal): Ditto.
1608 (remove_unnecessary_regions): Separate the case when CFG loops
1610 (ira_build): Remove the parameter. Use explicit number of regions
1611 when CFG loops are not built.
1613 * ira-color.c (print_loop_title): Separate the case for the root node.
1614 Use loop_num instead of loop->num.
1615 (move_spill_restore): Use loop_num instead of loop->num.
1617 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1618 (change_loop): Ditto.
1619 (change_loop): Use loop_num instead of loop->num.
1621 * ira-lives.c (process_bb_node_lives): Ditto.
1623 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1625 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1627 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1630 * tree-mudflap.c (mf_artificial): New function.
1631 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1632 mx_register_decls, mudflap_enqueue_decl): Use it.
1635 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1636 numbers in the insn pattern.
1638 2012-01-19 Michael Matz <matz@suse.de>
1640 PR tree-optimization/46590
1641 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1642 use it in remembering which conflicts we already created.
1643 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1646 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1649 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1650 (merge_and_complain): Same.
1652 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1655 * config/initfini-array.h: Guard content of the header
1656 with #ifdef HAVE_INITFINI_ARRAY.
1657 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1658 Add initfini-array.h to tm_file here.
1659 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1660 * config.gcc: Don't add initfini-array.h to tm_file here.
1661 * configure: Regenerated.
1663 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1665 PR rtl-optimization/51505
1666 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1667 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1668 (df_note_bb_compute): Update the call to df_kill_notes.
1670 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1672 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1674 2012-01-18 Richard Guenther <rguenther@suse.de>
1676 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1677 of conversions to void *.
1679 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1680 Richard Sandiford <rdsandiford@googlemail.com>
1684 * optabs.h (simplify_expand_binop): Declare.
1685 * optabs.c (simplify_expand_binop): Make global.
1686 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1687 endian targets if the source cannot be exactly covered by word
1690 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1693 * hard-reg-set.h (struct hard_reg_set_container): New type.
1694 * target.h (struct hard_reg_set_container): Forward declare.
1695 * target.def (set_up_by_prologue): New target hook.
1696 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1697 * doc/tm.texi: Regenerated.
1698 * function.c (thread_prologue_and_epilogue_insns): Change
1699 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1700 Call targetm.set_up_by_prologue on it.
1701 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1702 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1704 2012-01-17 Nick Clifton <nickc@redhat.com>
1706 * config/rx/rx.c (rx_can_use_simple_return): New function.
1707 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1708 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1710 2012-01-17 Richard Guenther <rguenther@suse.de>
1713 * expr.c (expand_assignment): Take address-space information
1714 from the address operand of MEM_REF and TARGET_MEM_REF.
1715 (expand_expr_real_1): Likewise.
1717 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1719 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1720 reload dump is requested.
1722 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1725 * trans-mem.c (requires_barrier): Call may_be_aliased.
1727 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1729 PR tree-optimization/51877
1730 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1731 call arguments and fndecls compare equal, instead return false if they
1732 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1733 both SSA_NAMEs that are valueized the same, or they satisfy
1736 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1738 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1740 * configure: Regenerate.
1742 2012-01-16 Jan Hubicka <jh@suse.cz>
1746 * convert.c (convert_to_integer): Use fold_convert for
1747 converting an INTEGER_CST to integer type.
1749 2012-01-16 Jason Merrill <jason@redhat.com>
1752 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1754 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1757 * config/s390/s390.c (s390_chunkify_start): Don't skip
1758 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1759 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1760 If insn is followed by NOTE_INSN_VAR_LOCATION or
1761 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1762 Don't use location of note insns.
1764 PR tree-optimization/51865
1765 * tree-inline.c (tree_function_versioning): Call remap_decl
1766 on DECL_RESULT whenever it has VOID_TYPE_P type.
1768 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1770 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1771 for calls to locally-binding MIPS16 functions if only the return
1772 type uses float regs.
1774 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1775 Richard Sandiford <rdsandiford@googlemail.com>
1777 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1778 (SYMBOL_32_HIGH): Likewise.
1779 (mips_output_tls_reloc_directive): Declare.
1780 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1781 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1782 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1783 (mips_lo_relocs, mips_hi_relocs): Make extern.
1784 (mips16_stub_function): Move up file.
1785 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1786 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1787 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1788 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1789 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1790 (mips_get_tp): Add MIPS16 support.
1791 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1792 Generalize DTPREL and TPREL handling.
1793 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1794 Add MIPS16 TLS support.
1795 (mips_output_tls_reloc_directive): New function.
1796 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1797 * config/mips/predicates.md (symbolic_operand_with_high)
1798 (tls_reloc_operand): New predicates.
1799 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1800 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1801 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1802 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1803 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1804 (*tls_get_tp_mips16_call_<mode>): Likewise.
1806 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1808 PR rtl-optimization/51821
1809 * recog.c (peep2_find_free_register): Determine clobbered registers
1812 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1815 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1816 * config/avr/avr.c: Likewise.
1817 * config/avr/avr.h: Likewise.
1819 2012-01-13 Ian Lance Taylor <iant@google.com>
1822 * tree.h (TYPE_QUALS): Add cast to int.
1823 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1825 2012-01-13 Ian Lance Taylor <iant@google.com>
1827 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1828 comparing param_index to VEC_length result.
1830 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1832 * c-decl.c: Do not include tree-mudflap.h
1833 * tree-optimize.c: Likewise.
1834 * Makefile.in: Update dependencies.
1836 2012-01-13 Richard Guenther <rguenther@suse.de>
1839 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1840 variable-sized result always use RSO.
1842 2012-01-12 DJ Delorie <dj@redhat.com>
1844 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1845 pointer type, not just the default pointer type.
1847 2012-01-09 Richard Henderson <rth@redhat.com>
1848 Denis Chertykov <chertykov@gmail.com>
1851 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1852 * config/avr/avr.c (avr_can_eliminate): Simplify.
1853 (avr_initial_elimination_offset): Likewise.
1854 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1855 (expand_epilogue): Likewise.
1856 (avr_legitimize_address): Gut.
1857 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1858 (avr_hard_regno_nregs): New.
1859 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1860 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1861 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1862 add soft frame pointer.
1863 (CALL_USED_REGISTERS): Likewise.
1864 (REG_CLASS_CONTENTS): Likewise.
1865 (REGISTER_NAMES): Likewise.
1866 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1867 (HARD_FRAME_POINTER_REGNUM): New.
1868 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1869 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1870 remove the HARD_FRAME_POINTER self-elimination.
1872 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1875 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1876 DECL_EXTERNAL when checking for initializers of progmem variables.
1878 2012-01-12 Ira Rosen <irar@il.ibm.com>
1880 PR tree-optimization/51799
1881 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1882 that the last operation is a type demotion.
1884 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1886 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1887 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1889 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1892 * combine.c (distribute_notes): If i3 is a noreturn call,
1893 allow old_size to be equal to args_size and make sure the
1894 noreturn call gets REG_ARGS_SIZE note.
1895 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1896 on noreturn calls even when the delta is 0.
1898 2012-01-11 Nathan Sidwell <nathan@acm.org>
1900 * gcov.c (STRING_SIZE): Remove.
1901 (generate_results): Erase annotations for source files with no
1902 coverage information.
1904 (output_lines): Use it.
1906 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1908 * gimple.h (gimplify_body): Remove first argument.
1909 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1910 pointer set here, instead just pass DATA to walk_tree.
1911 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1912 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1913 (unvisit_body): Likewise, but with unmark_visited.
1914 (gimplify_body): Remove BODY_P argument and adjust.
1915 (gimplify_function_tree): Adjust call to gimplify_body.
1916 * omp-low.c (finalize_task_copyfn): Likewise.
1918 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1920 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1921 (build_function_type_skip_args): Delete.
1922 * tree.c (build_function_type_skip_args): Make static and add
1923 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1924 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1925 pass it to build_function_type_skip_args.
1926 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1927 (tree_function_versioning): Likewise.
1928 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1929 build_function_decl_skip_args.
1930 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1931 and pass it to build_function_decl_skip_args/tree_function_versioning.
1932 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1933 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1934 * trans-mem.c (ipa_tm_create_version): Likewise.
1935 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1936 * tree-inline.c (declare_return_variable): Remove always-true test.
1937 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1938 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1939 * ipa-split.c (split_function): Skip the return value for the split
1940 part if it doesn't return.
1942 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1944 PR tree-optimization/49642
1945 * ipa-split.c (forbidden_dominators): New variable.
1946 (check_forbidden_calls): New function.
1947 (dominated_by_forbidden): Likewise.
1948 (consider_split): Check for forbidden dominators.
1949 (execute_split_functions): Initialize and free forbidden
1950 dominators info; call check_forbidden_calls.
1952 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1954 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1956 2012-01-11 Nick Clifton <nickc@redhat.com>
1958 * config/rx/rx.md (return): Define pattern.
1960 2012-01-11 Richard Guenther <rguenther@suse.de>
1962 * doc/extend.texi (malloc attribute): Adjust according to
1965 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1966 Patrick Marlier <patrick.marlier@gmail.com>
1969 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1970 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1971 (ipa_tm_note_irrevocable): Same.
1972 (ipa_tm_scan_irr_block): Same.
1973 (ipa_tm_decrement_clone_counts): Same.
1974 (ipa_tm_scan_irr_function): Same.
1975 (ipa_tm_create_version_alias): Same.
1976 (ipa_tm_create_version): Same.
1977 (ipa_tm_transform_calls_redirect): Same.
1978 (ipa_tm_transform_calls): Same.
1979 (ipa_tm_transform_transaction): Same.
1980 (ipa_tm_execute): Same.
1982 2012-01-10 Richard Guenther <rguenther@suse.de>
1985 * opts.c (common_handle_option): Handle -Werror.
1987 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1989 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1992 2012-01-10 Jason Merrill <jason@redhat.com>
1994 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1997 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1999 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2000 supports R_386_TLS_GD_PLT reloc.
2001 (gcc_cv_as_ix86_tlsldmplt): Check if linker
2002 supports R_386_TLS_LDM_PLT reloc.
2003 * configure: Regenerate.
2004 * config.in: Regenerate.
2006 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
2009 Extend __pgmx semantics to linearize memory.
2010 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2011 determine if code comes inline or from libgcc.
2012 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2013 (movmem_qi, movmem_qi): Set constraint #2 to "n".
2014 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2015 (movmemx_qi, movmemx_hi): New insns.
2016 (xload_<mode>_libgcc): Rewrite to new insn condition.
2017 (xload_<mode>): Remove insns.
2018 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2019 cases that don't satisfy avr_xload_libgcc_p().
2020 (avr_addr_space_convert): Allow converting in any direction.
2021 (avr_addr_space_subset_p): Return always true.
2022 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2023 (avr_emit_movmemhi): Ditto.
2024 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2025 (avr_out_movmem): Ditto.
2026 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2027 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2028 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2029 (avr_encode_section_info): Encode 'progmem' in symbol flags.
2030 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2032 2012-01-10 Richard Guenther <rguenther@suse.de>
2034 PR tree-optimization/50913
2035 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2036 Require data-refs to be representable by Graphite with respect
2039 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
2041 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2042 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2044 2012-01-10 Tom de Vries <tom@codesourcery.com>
2046 PR rtl-optimization/51271
2047 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2048 handling annulled branch.
2050 2012-01-10 Richard Henderson <rth@redhat.com>
2052 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2053 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2054 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2055 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2056 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2057 arm_expand_vec_perm_const): New.
2058 * config/arm/arm-protos.h: Update.
2059 * config/arm/neon.md (UNSPEC_VCONCAT): New.
2060 (*neon_vswp<VDQX>): New.
2061 (neon_vcombine<VDX>): Use neon_split_vcombine.
2062 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2063 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2064 (vec_perm<VE>): New.
2066 2012-01-10 Richard Henderson <rth@redhat.com>
2068 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2069 use it if reload_completed.
2070 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2071 arm_output_asm_insn, arm_process_output_memory_barrier,
2072 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2073 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2074 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2075 arm_process_output_sync_insn, arm_output_sync_insn,
2076 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2077 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2078 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2079 (emit_unlikely_jump): New.
2080 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2081 (arm_split_atomic_op): New.
2082 * config/arm/arm-protos.h: Update.
2083 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2084 (struct arm_sync_generator): Remove.
2085 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2086 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2087 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2088 (VUNSPEC_LL, VUNSPEC_SC): New.
2089 (sync_result, sync_memory, sync_required_value, sync_new_value,
2090 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2091 (attr length): Don't use arm_sync_loop_insns.
2092 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2093 (movsfcc, movdfcc): Likewise.
2094 * config/arm/constraints.md (Ua): New.
2095 * config/arm/prediates.md (mem_noofs_operand): New.
2096 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2097 (sync_clobber, sync_t2_reqd): Remove.
2098 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2099 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2100 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2101 (arm_sync_compare_and_swap<SIDI>): Remove.
2102 (arm_sync_compare_and_swap<NARROW>): Remove.
2103 (arm_sync_lock_test_and_set<SIDI>): Remove.
2104 (arm_sync_lock_test_and_set<NARROW>): Remove.
2105 (arm_sync_new_<syncop><SIDI>): Remove.
2106 (arm_sync_new_<syncop><NARROW>): Remove.
2107 (arm_sync_new_nand<SIDI>): Remove.
2108 (arm_sync_new_nand<NARROW>): Remove.
2109 (arm_sync_old_<syncop><SIDI>): Remove.
2110 (arm_sync_old_<syncop><NARROW>): Remove.
2111 (arm_sync_old_nand<SIDI>): Remove.
2112 (arm_sync_old_nand<NARROW>): Remove.
2113 (*memory_barrier): Merge arm_output_memory_barrier.
2114 (atomic_compare_and_swap<QHSD>): New.
2115 (atomic_compare_and_swap<NARROW>_1): New.
2116 (atomic_compare_and_swap<SIDI>_1): New.
2117 (atomic_exchange<QHSD>): New.
2118 (cas_cmp_operand, cas_cmp_str): New.
2119 (atomic_op_operand, atomic_op_str): New.
2120 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2121 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2122 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2123 (arm_load_exclusive<NARROW>): New.
2124 (arm_load_exclusivesi, arm_load_exclusivedi): New.
2125 (arm_store_exclusive<QHSD>): New.
2127 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2129 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2130 reload patterns if -mvsx-scalar-memory.
2132 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2133 generated, even -mno-vsx-scalar-double was used.
2134 (vsx_xscvdpsp_scalar): Likewise.
2135 (vsx_xscvspdp_scalar2): Likewise.
2137 2012-01-09 Tom de Vries <tom@codesourcery.com>
2138 Andrew Pinski <apinski@cavium.com>
2141 * reorg.c (fill_slots_from_thread): Don't speculate
2142 frame-related insns.
2144 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
2146 * sched-int.h (bb_note): Move to...
2147 * basic-block.h: ...here.
2148 * haifa-sched.c (bb_note): Move to...
2149 * cfgrtl.c: ...here.
2150 * function.c (next_block_for_reg): New function.
2151 (move_insn_for_shrink_wrap): Likewise.
2152 (prepare_shrink_wrap): Rewrite to use the above.
2154 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
2156 * gimple.c (is_gimple_non_addressable): Remove.
2157 * gimple.h: Remove is_gimple_non_addressable.
2158 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2159 is_gimple_non_addressable.
2160 * trans-mem.c (expand_assign_tm): Same.
2162 2012-01-09 Richard Guenther <rguenther@suse.de>
2164 PR tree-optimization/51775
2165 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2166 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2168 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2170 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2172 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2174 2012-01-09 Richard Guenther <rguenther@suse.de>
2176 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2178 2012-01-08 Jan Hubicka <jh@suse.cz>
2180 PR tree-optimize/51680
2181 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2182 on when known_vals needs to be computed; cleanup.
2184 2012-01-08 Jan Hubicka <jh@suse.cz>
2186 PR tree-optimize/51694
2187 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2189 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
2191 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2192 for -std=c++98 and -std=c++11 too.
2194 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
2196 * cfgloop.c (cancel_loop): Add free() of bbs array.
2198 2012-01-07 Jan Hubicka <jh@suse.cz>
2200 PR tree-optimization/51600
2201 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2202 that benefits small functions.
2204 2012-01-07 Jan Hubicka <jh@suse.cz>
2206 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2208 2012-01-07 Jan Hubicka <jh@suse.cz>
2210 PR tree-optimization/51680
2211 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2212 whose inlining reduce unit size.
2214 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2217 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2218 Add canonical node to containing_mem chain after the non-canonical
2219 one, even if there weren't any locs to propagate.
2220 (remove_useless_values): Keep only canonical values.
2221 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2222 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2223 canonicalize mem_chain elements that are not discarded.
2225 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2228 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2229 before emitting functions.
2231 PR gcov-profile/50127
2232 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2233 clear_aux_for_blocks.
2235 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
2238 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2240 2012-01-06 Arnaud Charlet <charlet@adacore.com>
2242 * c-decl.c (ext_block): Moved up.
2243 (collect_all_refs, for_each_global_decl): Take ext_block into account.
2245 2012-01-06 Han Shen <shenhan@google.com>
2247 Translate built-in include paths for sysroot.
2248 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2249 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2251 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2252 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2254 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2255 control whether sysroot should be prepended to gxx include dir.
2257 * configure: Regenerate.
2259 2012-01-06 Torvald Riegel <triegel@redhat.com>
2261 PR rtl-optimization/51771
2262 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2263 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2265 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2267 PR tree-optimization/51315
2268 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2269 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2271 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
2274 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2275 for shrp pattern. Correctly handle and fixup shift variable.
2276 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2278 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2281 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2282 note when !ACCUMULATE_OUTGOING_ARGS.
2284 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2286 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2288 (extract_range_from_unary_expr_1): Avoid useless computations.
2290 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2292 PR rtl-optimization/51767
2293 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2294 of jump_block and add an extra edge for degenerated asm gotos.
2297 * stmt.c (check_unique_operand_names): Don't ICE during error
2298 reporting if i is from labels chain.
2301 * profile.c (branch_prob): Split bbs that have exit edge
2302 and need a fake entry edge too.
2304 2012-01-05 Jan Hubicka <jh@suse.cz>
2307 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2310 2012-01-05 Richard Guenther <rguenther@suse.de>
2313 * tree-streamer-out.c (write_ts_optimization): New function.
2314 (streamer_write_tree_body): Call it.
2315 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2316 (streamer_read_tree_body): Call it.
2317 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2319 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2322 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2323 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2324 in_cleanup_point_expr before gimplify_stmt call and restore it
2326 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2327 in_cleanup_point_expr is false.
2329 2012-01-05 Richard Guenther <rguenther@suse.de>
2332 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2334 * toplev.c (process_options): Reject combining mudflap and LTO.
2335 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2337 2012-01-05 Richard Guenther <rguenther@suse.de>
2339 PR tree-optimization/51760
2340 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2342 (bit_value_unop): Handle UNDEFINED operands.
2343 (bit_value_binop): Likewise.
2345 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2347 * config/avr/avr.c (avr_replace_prefix): Remove.
2348 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2349 (avr_asm_function_rodata_section): Ditto.
2350 (avr_asm_select_section): Ditto.
2352 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2354 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2357 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2360 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2361 calls that have any non-fake successor edges.
2364 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2366 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2368 PR tree-optimization/51624
2369 * tree-sra.c (build_ref_for_model): When replicating a chain of
2370 COMPONENT_REFs, stop as soon as the offset would become negative.
2372 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2375 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2376 in .debug_loc on the floor.
2378 2012-01-04 Andrew Pinski <apinski@cavium.com>
2380 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2382 2012-01-04 Andrew Pinski <apinski@cavium.com>
2383 Adam Nemet <anemet@caviumnetworks.com>
2385 * config/mips/mips.md (size): Add SI and DI.
2386 (SIZE): New mode attribute.
2387 (U): New code attribute.
2388 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2389 (mips_lbux_<mode>): Delete.
2390 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2391 (mips_lhx): Use gen_mips_lhx_extsi.
2392 (mips_lhx_<mode>): Delete.
2394 (mips_l<size>x): New expand.
2395 (mips_lwx_<mode>): Delete.
2396 (mips_l<GPR:size>x_<P:mode>): New pattern.
2397 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2398 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2399 * config/mips/mips.c (mips_lx_address_p): New function.
2400 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2401 (dsp64): New availability predicate.
2402 (mips_builtins): Add an entry for __builtin_mips_ldx.
2403 * config/mips/mips.h (ISA_HAS_LBX): New define.
2404 (ISA_HAS_LBUX): Likewise.
2405 (ISA_HAS_LHX): Likewise.
2406 (ISA_HAS_LHUX): Likewise.
2407 (ISA_HAS_LWX): Likewise.
2408 (ISA_HAS_LWUX): Likewise.
2409 (ISA_HAS_LDX): Likewise.
2410 * doc/extend.texi (__builtin_mips_ldx): Document.
2412 2012-01-04 Tristan Gingold <gingold@adacore.com>
2414 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2415 when long pointers are used.
2416 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2417 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2418 (ia64-hp-*vms*): Remove.
2419 * config/vms/xm-vms64.h: Delete.
2421 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2424 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2426 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2428 * opts.c (finish_options): Remove duplicate sorry.
2430 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2433 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2436 2012-01-04 Richard Guenther <rguenther@suse.de>
2439 * tree.c (size_low_cst): New function.
2440 * tree.h (size_low_cst): Declare.
2441 * fold-const.c (fold_comparison): Use it to extract the low
2442 part of the POINTER_PLUS_EXPR offset.
2444 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2446 Fix clearing ZERO_REG
2447 * config/avr/avr.md (cc): Add alternative "ldi".
2448 (movqi_insn): Use it in cc attribute.
2449 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2450 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2451 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2453 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2455 * configure: Regenerate.
2457 2012-01-04 Richard Guenther <rguenther@suse.de>
2459 PR tree-optimization/49651
2460 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2461 (var_can_have_subvars): Use it.
2462 (get_constraint_for_1): Only consider subfields if there can be any.
2464 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2467 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2468 to its new canonical_cselib_val and the cselib_val was in
2469 first_containing_mem chain, but the canonical_cselib_val was not,
2470 add the latter into the chain.
2471 (cselib_invalidate_mem): Compare canonical_cselib_val of
2472 addr_list chain elt with v.
2475 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2476 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2478 (output_macinfo_op): Don't ggc_strdup fd->filename.
2479 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2480 then ggc_strdup it. Don't free inc->info or cur->info.
2481 (output_macinfo): Don't free ref->info or file->info.
2483 2012-01-03 Ira Rosen <irar@il.ibm.com>
2485 PR tree-optimization/51269
2486 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2487 first_niters a pointer.
2488 (slpeel_tree_peel_loop_to_edge): Likewise.
2489 (vect_do_peeling_for_loop_bound): Update call to
2490 slpeel_tree_peel_loop_to_edge.
2491 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2492 here. Remove it from the parameters list.
2493 (vect_do_peeling_for_alignment): Update calls and compute
2496 2012-01-03 Richard Guenther <rguenther@suse.de>
2498 PR tree-optimization/51070
2499 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2500 Properly handle calls.
2502 2012-01-03 Richard Guenther <rguenther@suse.de>
2504 PR tree-optimization/51692
2505 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2506 the LHS of allocation stmts.
2508 2012-01-03 Olivier Hainque <hainque@adacore.com>
2510 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2512 2012-01-03 Olivier Hainque <hainque@adacore.com>
2514 * collect2.c (main): In AIX specific computations for vector
2515 insertions, use CONST_CAST2 to cast from char ** to const char **.
2517 2012-01-03 Richard Guenther <rguenther@suse.de>
2520 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2521 the context of a limbo DIE when it does not already exist.
2523 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2525 PR tree-optimization/51719
2526 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2527 but direct call is, clear direct call's lhs and don't add fallthrough
2528 edge from dcall_bb to join_bb and PHIs.
2530 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2532 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2533 the instructions emitted by the pattern.
2534 ("*TDC_insn_<mode>"): Add comment.
2536 2012-01-03 Richard Guenther <rguenther@suse.de>
2539 * fold-const.c (fold_comparison): Properly canonicalize
2540 tree offset and HOST_WIDE_INT bit position.
2542 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2544 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2545 operands for extzv pattern.
2547 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2550 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2553 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2555 * doc/invoke.texi (-flto and related options): Copy-edit.
2557 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2559 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2561 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2563 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2566 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2568 * expr.h (move_by_pieces_ninsns): Declare.
2569 * expr.c (move_by_pieces_ninsns): Make external.
2570 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2571 (mips_store_by_pieces_p): Likewise.
2572 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2573 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2574 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2575 (mips_store_by_pieces_p): Likewise.
2577 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2579 * passes.c (register_one_dump_file): Free full_name.
2581 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2582 (calculate_elim_costs_all_insns): Free offsets_at and
2583 offsets_known_at at the end and clear the pointers.
2585 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2587 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2588 this option introduced in r180739.
2590 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2593 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2594 (tmake_file target=avr): Add avr/t-multilib.
2596 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2597 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2598 * config/avr/genmultilib.awk: New file.
2599 * config/avr/t-multilib: New auto-generated file.
2600 * config/avr/multilib.h: New auto-generated file.
2601 * config/avr/t-avr (AVR_MCUS): New variable.
2602 (genopt.sh): Use it.
2603 (s-mlib): Depend on t-multilib.
2604 (t-multilib, multilib.h): New dependencies.
2605 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2606 (MULTILIB_OPTIONS): Remove.
2607 (MULTILIB_MATCHES): Remove.
2608 (MULTILIB_DIRNAMES): Remove.
2609 (MULTILIB_EXCEPTIONS): Remove:
2610 * config/avr/genopt.sh: Don't use hard coded file name;
2611 pass AVR_MCUS from t-avr instead.
2613 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2615 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2617 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2619 Implement light-weight DImode support.
2620 * config/avr/avr-dimode.md: New file.
2621 * config/avr/avr.md: Include it.
2622 (adjust_len): Add plus64, compare64.
2623 (HIDI): Remove code iterator.
2624 (code_stdname): New code attribute.
2625 (rotx, rotsmode): Remove DI.
2626 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2628 * config/avr/avr-protos.h (avr_have_dimode): New.
2629 (avr_out_plus64, avr_out_compare64): New.
2630 * config/avr/avr.c (avr_out_compare): Handle DImode.
2631 (avr_have_dimode): New variable definition and initialization.
2632 (avr_out_compare64, avr_out_plus64): New functions.
2633 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2634 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2635 (avr_compare_pattern): Skip DImode comparisons.
2637 2012-01-02 Revital Eres <revital.eres@linaro.org>
2639 * ddg.c (def_has_ccmode_p): New function.
2640 (add_cross_iteration_register_deps,
2641 create_ddg_dep_from_intra_loop_link): Call it.
2643 2012-01-02 Richard Guenther <rguenther@suse.de>
2646 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2648 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2650 * gcc.c (process_command): Update copyright notice dates.
2651 * gcov.c (print_version): Likewise.
2652 * gcov-dump.c (print_version): Likewise.
2653 * mips-tfile.c (main): Likewise.
2654 * mips-tdump.c (main): Likewise.
2656 2012-01-01 Ira Rosen <irar@il.ibm.com>
2658 PR tree-optimization/51704
2659 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2660 a use is inside the basic block or loop before accessing its vect info.
2662 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2664 PR rtl-optimization/51069
2665 * cfgloopmanip.c (remove_path): Removing path making irreducible
2666 region unconditional makes BB part of the region.
2668 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2670 PR tree-optimization/51683
2671 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2672 calls with side-effects.
2673 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2675 Copyright (C) 2012 Free Software Foundation, Inc.
2677 Copying and distribution of this file, with or without modification,
2678 are permitted in any medium without royalty provided the copyright
2679 notice and this notice are preserved.
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