1 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
3 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
4 when used as adjectives.
6 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
8 * doc/invoke.texi: Clean up "that"/"which" confusion.
10 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
12 * system.h: Poison SMALL_REGISTER_CLASSES
13 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
14 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
16 2012-02-16 Jakub Jelinek <jakub@redhat.com>
18 PR tree-optimization/52285
19 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
20 when deciding if a call is a tail call or tail recursion.
22 2012-02-16 Kai Tietz <ktietz@redhat.com>
24 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
25 interger-constant displacement for UNSPEC_PCREL.
27 2012-02-16 Jakub Jelinek <jakub@redhat.com>
29 PR rtl-optimization/52208
30 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
31 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
33 PR tree-optimization/52255
34 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
35 loop->header has virtual PHI, but exit_e->dest doesn't, add
36 virtual PHI to exit_e->dest and adjust all uses after the loop.
39 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
40 children with clone_tree_hash, not after it.
42 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
44 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
47 2012-02-16 Jakub Jelinek <jakub@redhat.com>
50 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
51 a same_body_alias, also test whether e->callee isn't a former
52 or current clone of the decl this is a same body alias of.
55 * cgraphunit.c (verify_cgraph_node): Fix a typo.
57 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
59 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
61 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
64 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
65 force_reg instead of copy_to_reg for better optimization. Force
66 non-register or memory operands into a register.
68 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
70 * extend.texi: Reserve upper bits of memory model for future use.
72 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
73 Anatoly Sokolov <aesok@post.ru>
74 Eric Weddington <eric.weddington@atmel.com>
77 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
78 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
79 Rewrite initializers for .macro.
80 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
81 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
82 atxmega32d4, atxmega32x1.
83 avrxmega4: atxmega64a3, atxmega64d3.
84 avrxmega5: atxmega64a1, atxmega64a1u.
85 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
86 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
87 avrxmega7: atxmega128a1, atxmega128a1u.
88 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
89 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
90 (struct base_arch_s): Rename reserved to xmega_p.
91 Rename reserved2 to have_rampd.
92 (AVR_XMEGA): New define.
93 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
94 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
95 * config/avr/predicates.md (io_address_operand): Take into
97 (low_io_address_operand): Ditto.
98 (high_io_address_operand): Ditto.
99 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
100 (enabled, movhi_sp_r): Use them.
101 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
102 cpp_define_formatted to built-in define __AVR_ARCH__.
103 (__AVR_XMEGA__): New built-in define.
104 (__AVR_HAVE_RAMPD__): New built-in define.
105 (__AVR_HAVE_RAMPX__): New built-in define.
106 (__AVR_HAVE_RAMPY__): New built-in define.
107 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
109 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
110 (avr_option_override): Initialize them.
111 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
112 (avr_init_expanders): Initialize them. No more block several calls.
113 (emit_push_sfr): New static function.
114 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
116 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
117 (avr_print_operand): Print addreeses as symbols for
118 RAMPX, RAMPY, RAMPD, CCP.
119 (output_movhi): Handle AVR_XMEGA when writing to SP.
120 (avr_out_movhi_mr_r_xmega): New static function.
121 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
122 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
123 __RAMPD__, __CCP__ as needed.
125 * config/avr/multilib.h: Regenerate.
126 * config/avr/t-multilib: Regenerate.
127 * config/avr/avr-tables.opt: Regenerate.
129 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
131 PR tree-optimization/50561
132 * graphite-flattening.c (lst_project_loop): Do not
133 remove old scattering dimensions after flattening.
134 (lst_do_flatten): Likewise.
136 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
138 * doc/extend.texi (AVR Built-in Functions): Remove doc for
139 __builtin_avr_map8, __builtin_avr_map16.
140 Document __builtin_avr_insert_bits.
142 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
143 (insert_bits): New insn.
144 (adjust_len.map_bits): Rename to insert_bits.
145 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
146 * avr-protos.h (avr_out_map_bits): Remove.
147 (avr_out_insert_bits, avr_has_nibble_0xf): New.
148 * config/avr/constraints.md (Cxf,C0f): New.
149 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
150 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
151 New built-in define __BUILTIN_AVR_INSERT_BITS.
152 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
153 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
154 (avr_move_bits): Rewrite.
155 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
157 (avr_map_op_t): New typedef.
158 (avr_map_op): New static variable.
159 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
160 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
161 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
162 (bdesc_3arg, avr_expand_triop_builtin): New.
163 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
164 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
165 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
166 (avr_map_equal_p, avr_map_sig_p): Remove.
167 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
168 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
169 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
170 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
171 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
172 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
174 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
176 * config/c6x/c6x.md (reserve_cycles): New attribute.
177 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
178 don't reserve functional units after the branch occurs.
180 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
183 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
184 functions into non-tm_pure functions.
186 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
189 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
190 (iterative_hash_canonical_type): Likewise.
191 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
194 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
196 * haifa-sched.c (prune_ready_list): Ensure that if there is a
197 sched-group insn, it either remains alone or the entire list is
200 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
202 * doc/install.texi (Prerequisites): Fix grammar.
203 (Configuration): Likewise.
205 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
207 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
208 MPC as part of GCC before describing configuring with --with-gmp etc.
209 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
212 2012-02-14 Jakub Jelinek <jakub@redhat.com>
215 * dwarf2out.c (clone_tree_hash): New function.
216 (copy_decls_walk): Use it instead of clone_tree.
218 2012-02-14 Richard Guenther <rguenther@suse.de>
220 PR tree-optimization/52244
221 PR tree-optimization/51528
222 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
223 replacements for integral types.
225 2012-02-14 Walter Lee <walt@tilera.com>
227 * config.gcc: Handle tilegx and tilepro.
228 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
230 Add HAVE_AS_TLS check for tilegx and tilepro.
231 * configure: Regenerate.
232 * doc/contrib.texi: Add Mat Hostetter and self.
233 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
234 Document instruction intrinsics and network accessing intrinsics.
235 (TILEPro Built-in Functions): New node. Document instruction
236 intrinsics and network accessing intrinsics.
237 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
238 (Specific, tilepro-*-linux*): Likewise.
239 * doc/invoke.texi (TILE-Gx Options): New section.
240 (TILEPro Options): New section.
241 * doc/md.texi (TILE-Gx): New section.
242 (TILEPro): New section.
243 * common/config/tilegx/tilegx-common.c: New file.
244 * common/config/tilepro/tilepro-common.c: New file.
245 * config/tilegx/constraints.md: New file.
246 * config/tilegx/linux.h: New file.
247 * config/tilegx/mul-tables.c: New file.
248 * config/tilegx/predicates.md: New file.
249 * config/tilegx/sync.md: New file.
250 * config/tilegx/t-tilegx: New file.
251 * config/tilegx/tilegx-builtins.h: New file.
252 * config/tilegx/tilegx-c.c: New file.
253 * config/tilegx/tilegx-generic.md: New file.
254 * config/tilegx/tilegx-modes.def: New file.
255 * config/tilegx/tilegx-multiply.h: New file.
256 * config/tilegx/tilegx-protos.h: New file.
257 * config/tilegx/tilegx.c: New file.
258 * config/tilegx/tilegx.h: New file.
259 * config/tilegx/tilegx.md: New file.
260 * config/tilegx/tilegx.opt: New file.
261 * config/tilepro/constraints.md: New file.
262 * config/tilepro/gen-mul-tables.cc: New file.
263 * config/tilepro/linux.h: New file.
264 * config/tilepro/mul-tables.c: New file.
265 * config/tilepro/predicates.md: New file.
266 * config/tilepro/t-tilepro: New file.
267 * config/tilepro/tilepro-builtins.h: New file.
268 * config/tilepro/tilepro-c.c: New file.
269 * config/tilepro/tilepro-generic.md: New file.
270 * config/tilepro/tilepro-modes.def: New file.
271 * config/tilepro/tilepro-multiply.h: New file.
272 * config/tilepro/tilepro-protos.h: New file.
273 * config/tilepro/tilepro.c: New file.
274 * config/tilepro/tilepro.h: New file.
275 * config/tilepro/tilepro.md: New file.
276 * config/tilepro/tilepro.opt: New file.
278 2012-02-14 Jakub Jelinek <jakub@redhat.com>
280 PR tree-optimization/52210
281 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
282 vect_model_simple_cost with two entry vect_def_type array instead
285 2012-02-14 Richard Guenther <rguenther@suse.de>
288 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
289 Do not stream DECL_QUALIFIER.
290 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
291 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
292 (find_decls_types_r): Do not walk DECL_QUALIFIER.
294 2012-02-14 Jakub Jelinek <jakub@redhat.com>
297 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
300 2012-02-13 Jakub Jelinek <jakub@redhat.com>
303 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
304 * cselib.c (cselib_subst_to_values_from_insn): New function.
305 * sched-deps.c (add_insn_mem_dependence,
306 sched_analyze_1, sched_analyze_2): Use it.
308 2012-02-13 Jan Hubicka <jh@suse.cz>
311 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
313 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
315 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
316 (GTM_SELF_SPECS): Define if not already defined.
317 (driver_self_specs): Add GTM_SELF_SPECS.
318 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
319 (GTM_SELF_SPECS): Define.
320 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
321 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
323 2012-02-13 Jakub Jelinek <jakub@redhat.com>
325 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
328 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is
332 * omp-low.c (expand_omp_for): If a static schedule without
333 chunk size has NULL region->cont, force fd.chunk_size to be
336 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
339 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
341 2012-02-13 Richard Guenther <rguenther@suse.de>
344 * passes.c (enable_disable_pass): Fix typo.
346 2012-02-13 Jakub Jelinek <jakub@redhat.com>
349 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
350 XOR for reduce_bit_field if type is unsigned.
352 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
354 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
355 disallow changes from SFmode to mode with different size in FP regs.
357 2012-02-12 Robert Millan <rmh@gnu.org>
358 Gerald Pfeifer <gerald@pfeifer.com>
360 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
363 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
365 PR rtl-optimization/52175
366 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
367 to frame-related instructions.
369 2012-02-10 Jason Merrill <jason@redhat.com>
372 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
373 (demangle_new_symbols): Fill it.
374 (scan_linker_output): Walk it.
375 (start_tweaking): Split out from scan_linker_output.
376 (maybe_tweak): Update sym->chosen.
377 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
379 2012-02-11 Jakub Jelinek <jakub@redhat.com>
382 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
385 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
387 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
388 having the same mode as previous compare.
390 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
392 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
393 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
394 (nonlocal_goto_internal): Likewise.
395 (nonlocal_goto): Emit a use and an indirect jump directly.
397 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
400 * doc/extend.texi : Update comments for __atomic_compare_exchange and
401 __atomic_{is,always}_lock_free.
403 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
406 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
407 negative constant address for x32.
409 2012-02-10 Richard Henderson <rth@redhat.com>
411 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
412 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
413 for GIMPLE_TRANSACTION. Tidy if's into a switch.
415 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
416 Ira Rosen <irar@il.ibm.com>
418 PR tree-optimization/50031
419 * targhooks.c (default_builtin_vectorization_cost): Handle
421 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
422 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
423 all types of reduction and pattern statements.
424 (vect_estimate_min_profitable_iters): Likewise.
425 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
426 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
427 for explicit realigns.
428 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
429 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
431 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
432 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
433 vec_perm for VSX and handle vec_promote_demote.
435 2012-02-10 Jakub Jelinek <jakub@redhat.com>
438 * builtins.c (fold_builtin_atomic_always_lock_free,
439 expand_builtin_atomic_always_lock_free,
440 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
441 Return and/or test boolean_true_node/boolean_false_node instead of
442 integer_one_node/integer_zero_node.
444 2012-02-10 Jan Hubicka <jh@suse.cz>
447 * predict.c (predict_paths_for_bb): Prevent looping.
448 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
450 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
452 * config/arm/arm.c (output_move_double): In one case properly
453 count number of instructions that will be emitted.
455 2012-02-10 Richard Guenther <rguenther@suse.de>
458 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
460 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
463 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
465 2012-02-09 Jakub Jelinek <jakub@redhat.com>
468 * var-tracking.c (emit_note_insn_var_location): If
469 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
470 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
471 non-NOTE_DURING_CALL_P insn.
473 2012-02-09 Bin Cheng <bin.cheng@arm.com>
476 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
478 2012-02-08 Magnus Granberg <zorry@gentoo.org>
481 * gcc.c (switch_matches) Support switches with separated form,
484 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
486 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
489 * config/avr/avr.c (avr_addr_t): New typedef.
490 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
491 (avr_init_expanders): Initialize it.
492 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
494 (expand_epilogue): Ditto.
495 (avr_print_operand): Ditto.
496 (avr_file_start): Ditto.
497 (avr_emit_movmemhi): Ditto.
499 2012-02-08 Richard Guenther <rguenther@suse.de>
501 PR tree-optimization/46886
502 * tree-flow.h (do_while_loop_p): Declare.
503 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
504 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
506 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
508 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
509 always succeed for integers larger than a native word.
511 2012-02-08 Richard Guenther <rguenther@suse.de>
513 PR rtl-optimization/52170
514 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
515 properly handle integer vector modes.
517 2012-02-08 Jakub Jelinek <jakub@redhat.com>
519 PR gcov-profile/52150
520 * coverage.c: Include target.h.
521 (build_var): Call targetm.strip_name_encoding on the assembler name.
522 Change one _ into . or $ if the target allows it.
523 * Makefile.in (coverage.o): Depend on $(TARGET_H).
525 PR rtl-optimization/52139
526 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
527 is a BARRIER after emit_insn_after_noloc, move BB_END
528 to the last non-BARRIER insn before it.
530 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
533 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
534 (mips_gimplify_va_arg_expr): Call it instead of
535 std_gimplify_va_arg_expr.
537 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
539 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
540 message for -mno-pointers-to-nested-function.
542 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
545 * expr.c (get_inner_reference): If there is an offset, add a negative
546 bit position to it (if any).
548 2012-02-07 Jakub Jelinek <jakub@redhat.com>
550 PR rtl-optimization/52060
551 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
552 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
553 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
554 and/or i0src_copy2 when needed.
556 2012-02-07 Jakub Jelinek <jakub@redhat.com>
558 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
559 or LTOPLUGINSONAME if have_c.
561 * config/freebsd-spec.h: Add comment about what macros can be defined
563 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
564 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
567 2012-02-07 Richard Guenther <rguenther@suse.de>
569 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
570 newline in -alias dumps.
572 2012-02-07 Kai Tietz <ktietz@redhat.com>
573 Dave Korn <dave.korn.cygwin@gmail.com>
576 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
577 Take care that typinfo gets dllexport-attribute.
579 2012-02-07 Jakub Jelinek <jakub@redhat.com>
582 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
583 if modifier < EXPAND_SUM call force_operand on the result.
585 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
587 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
588 adding __forwarder_dst__ prefix if a forwarder_section attribute is
590 (epiphany_function_type): Replace types for specific interrupts with
591 EPIPHANY_FUNCTION_INTERRUPT.
592 (EPIPHANY_INTERRUPT_P): Update.
593 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
595 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
596 <disinterrupt>: Affects type identity.
597 (epiphany_handle_interrupt_attribute): Handle variable number of
599 (epiphany_compute_function_type): Update for new
600 epiphany_function_type definition.
601 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
602 handlers with a longcall forwarder.
603 (epiphany_start_function): Handle multiple interrupt arguments and/or
604 forwarder_section attribute.
606 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
609 2012-02-07 Alan Modra <amodra@gmail.com>
612 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
615 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
617 PR tree-optimization/50969
618 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
619 use vec_perm rather than vector_stmt.
620 (vect_model_load_cost): Likewise.
621 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
622 vec_perm to be the same as other vector statements.
623 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
624 cost of vec_perm for TARGET_VSX.
626 2012-02-06 Richard Guenther <rguenther@suse.de>
628 PR tree-optimization/52115
629 * tree-sra.c (access_has_replacements_p): New function.
630 (sra_modify_assign): Use it to decide whether a use is uninitialized.
632 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
635 * trans-mem.c (expand_call_tm): Add an assertion.
636 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
639 2012-02-06 Richard Guenther <rguenther@suse.de>
641 PR tree-optimization/50955
642 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
643 raise cost of expressions that replace an address with an
644 expression based on a different pointer.
646 2012-02-06 Jakub Jelinek <jakub@redhat.com>
649 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
650 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
652 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
655 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
656 -Weffc++ and specify guidelines come from second edition.
658 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
660 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
661 (sibcall_value_multiple_internal, call_split, call_internal_direct)
662 (call_direct_split, call_value_split, call_value_internal_direct)
663 (call_value_direct_split, call_value_multiple_split): Use jal and
664 jal_macro attributes.
666 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
668 * reload1.c (reload_regs_reach_end_p): Replace with...
669 (reload_reg_rtx_reaches_end_p): ...this function.
670 (new_spill_reg_store): Update commentary.
671 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
672 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
673 before setting new_spill_reg_store.
674 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
675 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
676 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
677 for non-spill reload registers.
679 2012-02-05 Ira Rosen <irar@il.ibm.com>
681 PR tree-optimization/52091
682 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
683 (vect_is_simple_use_1): Likewise.
684 * tree-vect-loop.c (vectorizable_reduction): Update calls
685 to vect_is_simple_use_1 and vect_is_simple_use.
686 (vectorizable_live_operation): Likewise.
687 * tree-vect-patterns.c (widened_name_p,
688 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
689 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
690 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
691 vectorizable_shift,vectorizable_operation, vectorizable_store,
692 vectorizable_load): Likewise.
693 (vect_is_simple_cond): Add an argument, pass it to
694 vect_is_simple_use_1.
695 (vectorizable_condition): Update calls to vect_is_simple_cond,
697 (vect_is_simple_use): Add an argument, the statement in which
698 OPERAND is used. Check that if OPERAND's def stmt is a double
699 reduction phi node, the use is a phi node too.
700 (vect_is_simple_use_1): Add an argument, pass it to
702 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
703 to vect_is_simple_use.
705 2012-02-04 Jakub Jelinek <jakub@redhat.com>
707 PR rtl-optimization/52095
708 * modulo-sched.c (dump_insn_locator): New function.
709 (loop_canon_p, sms_schedule): Use it.
711 PR rtl-optimization/52113
712 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
713 even for decomposable shift/zext insns.
715 2012-02-03 Jakub Jelinek <jakub@redhat.com>
716 Zdenek Dvorak <ook@ucw.cz>
718 PR rtl-optimization/52092
719 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
720 on get_iv_value result.
722 2012-02-02 Andrew Pinski <apinski@cavium.com>
726 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
728 2012-02-02 Jakub Jelinek <jakub@redhat.com>
731 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
733 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
735 PR rtl-optimization/49800
736 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
737 (sched_finish): Call regstat_free_n_sets_and_refs.
739 2012-02-02 Jia Liu <proljc@gmail.com>
741 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
744 2012-02-02 Jan Hubicka <jh@suse.cz>
745 Tom de Vries <tom@codesourcery.com>
748 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
749 * varpool.c (varpool_analyze_pending_decls): Likewise.
751 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
752 Jayant R Sonar <jayant.sonar@kpitcummins.com>
754 * config.gcc: Add cr16-* support.
756 * doc/extend.texi: Document cr16 extensions.
757 * doc/install.texi: Document cr16 install.
758 * doc/invoke.texi: Document cr16 options.
759 * doc/md.texi: Document cr16 constraints.
761 * common/config/cr16/cr16-common.c: New file.
762 * config/cr16/cr16.c: New file.
763 * config/cr16/cr16.h: New file.
764 * config/cr16/cr16.md: New file.
765 * config/cr16/cr16.opt: New file.
766 * config/cr16/cr16-protos.h: New file.
767 * config/cr16/predicates.md: New file.
768 * config/cr16/constraints.md: New file.
769 * config/cr16/t-cr16: New file.
771 2012-02-02 Jakub Jelinek <jakub@redhat.com>
774 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
775 that operands[2] is either immediate, or q_regs_operand.
777 PR tree-optimization/52073
778 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
779 a pattern stmt for pattern uses, ignore uses outside of the loop.
781 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
783 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
784 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
785 (OUT_AS1, OUT_AS2): Remove.
787 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
789 PR rtl-optimization/51374
790 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
791 to cross other volatile_refs_p insns.
793 2012-02-01 Richard Guenther <rguenther@suse.de>
795 * doc/invoke.texi (fno-inline): Clarify documentation.
796 (finline-small-functions): Likewise.
797 (finline-functions): Likewise.
798 * common.opt (finline): Adjust comment and documentation.
799 (finline-small-functions): Clarify documentation.
800 (finline-functions): Likewise.
801 (finline-functions-called-once): Likewise.
803 2012-02-01 Tristan Gingold <gingold@adacore.com>
805 * c-typeck.c (composite_type): Keep mode for pointers.
807 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
809 * function.h (regno_reg_rtx): Adjust comment.
810 * reginfo.c (init_reg_modes_target): Only use the previous mode
811 if it fits within one register. Remove MIPS comment.
813 2012-01-31 Jakub Jelinek <jakub@redhat.com>
816 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
818 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
820 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
823 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
825 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
827 2012-01-31 Jakub Jelinek <jakub@redhat.com>
832 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
834 2012-01-31 Richard Guenther <rguenther@suse.de>
836 PR tree-optimization/51528
837 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
840 2012-01-31 Jakub Jelinek <jakub@redhat.com>
845 * ree.c (add_removable_extension): Change def_map argument
846 to unsigned *, store in def_map 1 + offset into *insn_list vector
847 instead of pointers into the vector.
848 (find_removable_extensions): Adjust caller.
850 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
852 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
853 Transform all "* quoted-c-code" to { c-code }.
854 Remove redundant test for "optimize" in combine patterns.
855 Move (include "avr-dimode.md") to end of file.
857 2012-01-30 Bin Cheng <bin.cheng@arm.com>
860 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
861 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
863 2012-01-30 Richard Guenther <rguenther@suse.de>
865 PR tree-optimization/52028
866 * tree-loop-distribution.c (ldist_gen): Properly update
869 2012-01-30 Jakub Jelinek <jakub@redhat.com>
872 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
873 set_cur_line_info_table if not emitting debug info.
875 PR tree-optimization/52046
876 * tree-vect-patterns.c (check_bool_pattern): Give up if
877 a comparison could throw.
880 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
882 2012-01-30 Richard Guenther <rguenther@suse.de>
884 PR tree-optimization/52045
885 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
886 SSA form if cfgcleanup did anything.
888 2012-01-30 Richard Guenther <rguenther@suse.de>
890 PR tree-optimization/52045
891 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
892 before computing final todo.
894 2012-01-30 Richard Guenther <rguenther@suse.de>
896 PR tree-optimization/51528
897 * tree-sra.c (sra_modify_assign): Re-factor in preparation
900 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
902 * df-problems.c (df_kill_notes): Check that the use refers
903 to the note under examination.
905 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
908 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
909 parameter and use short-lived pseudos.
910 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
911 (sparc_expand_vector_init): Const-ify local variables and adjust
912 calls to above functions.
914 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
916 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
918 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
920 * doc/invoke.texi: Make usage of "compile time" and
921 "run time"/"runtime" consistent throughout the file.
923 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
925 * config/alpha/alpha.c (alpha_option_override): Default to
926 full IEEE compliance mode for Go language.
928 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
930 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
931 (LINK_SSP_SPEC): Define.
933 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
936 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
939 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
941 * doc/invoke.texi: Correct hyphenation of "floating point",
942 "double precision", and related terminology throughout the file.
944 2012-01-28 Jakub Jelinek <jakub@redhat.com>
947 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
948 arm_general_register_operand predicate for operand 2 instead of
951 2012-01-27 Ian Lance Taylor <iant@google.com>
954 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
955 * builtins.c (expand_builtin_init_trampoline): Add onstack
956 parameter. Change caller.
957 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
958 * tree.c (build_common_builtin_nodes): Declare
959 __builtin_init_heap_trampoline.
961 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
963 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
964 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
965 * config/avr/avr.c: Ditto.
966 (avr_regnames): Remove because unused.
967 * config/avr/avr.md (*cpse.ne): New peephole.
968 (*cpse.eq): New peephole from former cpse peepholes.
970 2012-01-27 Michael Eager <eager@eagercon.com>
972 * config/microblaze.c (microblaze_emit_compare): Correct
973 test after pcmp instruction.
975 2012-01-27 Richard Guenther <rguenther@suse.de>
977 PR tree-optimization/52020
978 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
980 2012-01-27 Richard Guenther <rguenther@suse.de>
982 * ipa-pure-const.c (check_stmt): Clobbers do not make a
983 function non-const/pure.
985 2012-01-27 Richard Guenther <rguenther@suse.de>
987 PR tree-optimization/50444
988 * tree-sra.c (build_ref_for_offset): Properly adjust the
989 MEM_REF type for unaligned accesses.
991 2012-01-27 Richard Guenther <rguenther@suse.de>
993 PR tree-optimization/50444
994 * expr.c (mem_ref_refers_to_non_mem_p): New function.
995 (expand_assignment): Use it. Properly handle misaligned
996 bases when expanding stores to component references.
997 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1000 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
1003 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1004 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1005 * tree-data-ref.c (find_data_references_in_loop): Make static.
1006 (compute_all_dependences): Change return type to bool. Bail out
1007 for too many datarefs in a loop. Move the hunk resetting the data
1008 dependences vector from ...
1009 (compute_data_dependences_for_loop): ... here. Account for
1010 compute_all_dependences returning false.
1011 (compute_data_dependences_for_bb): Likewise.
1012 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1013 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1015 2012-01-27 Richard Guenther <rguenther@suse.de>
1018 * expr.c (store_field): Use the alias-set of the scratch memory
1021 2012-01-27 Tom de Vries <tom@codesourcery.com>
1023 PR tree-optimization/51990
1024 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1026 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1028 2012-01-27 Jakub Jelinek <jakub@redhat.com>
1031 * var-tracking.c (reverse_op): Don't add any reverse operation
1032 if V already has any constant locations.
1034 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1036 * doc/invoke.texi: Correct usage of "command line" (noun)
1037 vs "command-line" (adjective) throughout.
1039 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1041 * doc/invoke.texi (Language Independent Options): Move
1042 -Wcoverage-mismatch blurb from here....
1043 (Warning Options): ...to here.
1045 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
1047 * config/rs6000/rs6000.c (rs6000_option_override_internal):
1048 Set rs6000_always_hint to false for 476.
1050 2012-01-27 Matthias Klose <doko@ubuntu.com>
1052 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1054 * incpath.c (add_standard_paths): Likewise.
1056 2012-01-27 Richard Henderson <rth@redhat.com>
1058 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1059 * config/m68k/sync.md (atomic_test_and_set): Rename from
1060 sync_test_and_setqi and adjust the operands.
1061 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1062 and unconditionally enable.
1064 2012-01-27 Richard Henderson <rth@redhat.com>
1066 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1067 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1068 (ldstub): Rename from ldstubqi.
1069 (ldstub<I24MODE>): Remove.
1071 2012-01-27 Richard Henderson <rth@redhat.com>
1073 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1074 * c-cppbuiltin.c (cpp_atomic_builtins): Define
1075 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1076 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1077 * doc/tm.texi: Rebuild.
1079 2012-01-27 Richard Henderson <rth@redhat.com>
1081 * optabs.c (gen_atomic_test_and_set): Remove default.
1082 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1084 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1086 PR rtl-optimization/51978
1087 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1088 (combine_reaching_defs): Likewise.
1089 (struct re_info): Remove.
1090 (add_removable_extension): Remove x and data arguments,
1091 add insn, insn_list and def_map. Use the arguments directly
1092 instead of using struct re_info.
1093 (find_removable_extensions): Don't call add_removable_extension
1094 through note_stores, instead just call it with single_set
1096 (find_and_remove_re): Pass curr_cand->expr instead of
1097 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1099 2012-01-26 Michael Matz <matz@suse.de>
1101 PR tree-optimization/46590
1102 * cfgexpand.c: Revert last change (r183305).
1103 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1105 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1106 checking for emptiness.
1108 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1111 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1112 non-addressable non-BLKmode base correctly.
1114 2012-01-26 Michael Matz <matz@suse.de>
1116 PR tree-optimization/48794
1117 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1118 regions referenced from RESX/EH_DISPATCH.
1120 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1122 * config/s390/s390.h: Make BRANCH_COST an option.
1123 * config/s390/s390.opt: New option -mbranch-cost.
1125 2012-01-26 Richard Henderson <rth@redhat.com>
1127 Revert 2012-01-24 change:
1128 * trans-mem.c (requires_barrier): Do not instrument thread local
1129 variables and emit save/restore for them.
1131 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1134 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1137 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
1139 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1142 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
1145 Rename __pgm to __flash.
1146 Rename __pgm1 to __flash1.
1147 Rename __pgm2 to __flash2.
1148 Rename __pgm3 to __flash3.
1149 Rename __pgm4 to __flash4.
1150 Rename __pgm5 to __flash5.
1151 Rename __pgmx to __memx.
1152 * doc/extend.texi (AVR Named Address Spaces)
1153 Rename address space names as indicated above.
1154 * config/avr/avr.c (avr_addrspace): Ditto.
1156 * config/avr/avr-protos.h
1157 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1158 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1159 * config/avr/predicates.md: Ditto.
1160 * config/avr/avr.c Ditto, and
1161 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1162 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1164 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1165 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1166 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1167 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1168 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1169 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1170 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1171 * config/avr/avr.c: Ditto.
1172 * config/avr/avr.md: Ditto.
1174 2012-01-25 Jason Merrill <jason@redhat.com>
1177 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1179 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1181 PR tree-optimization/51987
1182 * tree-data-ref.c (get_references_in_stmt): Handle references in
1183 non-volatile GIMPLE_ASM.
1185 2012-01-25 Richard Guenther <rguenther@suse.de>
1187 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1188 bases are dereferenced.
1190 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1192 PR rtl-optimization/48374
1193 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1195 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1197 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1198 compute_data_dependences_for_loop returns false.
1199 * tree-parloops.c (loop_parallel_p): Likewise.
1201 2012-01-25 Richard Guenther <rguenther@suse.de>
1203 * tree.h (get_pointer_alignment_1): Declare.
1204 * builtins.c (get_pointer_alignment_1): New function.
1205 (get_pointer_alignment): Use it.
1207 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1209 PR rtl-optimization/48308
1210 * combine.c (enum undo_kind): Add UNDO_LINKS.
1211 (struct undo): Add member l to other_contents and where.
1212 (do_SUBST_LINK): New.
1214 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1215 (undo_all): Handle UNDO_LINKS.
1217 2012-01-25 Richard Henderson <rth@redhat.com>
1219 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1222 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1224 * optabs.c (gen_atomic_test_and_set): Use each argument.
1226 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1228 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1229 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1230 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1231 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1232 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1233 TARGET_PAIRED_SINGLE_FLOAT.
1235 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1237 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1238 (in_struct, return_val): Remove MEM documentation.
1239 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1240 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1241 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1243 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1244 * cfgexpand.c (add_alias_set_conflicts): Likewise.
1245 * expr.c (store_field): Likewise.
1246 * function.c (assign_stack_temp_for_type): Likewise.
1247 * ifcvt.c (noce_try_cmove_arith): Likewise.
1248 * reload1.c (reload): Likewise.
1249 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1250 (alpha_set_memflags): Likewise.
1251 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1253 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1255 * rtl.h (true_dependence, canon_true_dependence): Remove varies
1257 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1258 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1259 (true_dependence_1, true_dependence, canon_true_dependence): Remove
1261 * cselib.c (cselib_rtx_varies_p): Delete.
1262 (cselib_invalidate_mem): Update call to canon_true_dependence.
1263 * dse.c (record_store, check_mem_read_rtx): Likewise.
1264 (scan_reads_nospill): Likewise.
1265 * cse.c (check_dependence): Likewise.
1266 (cse_rtx_varies_p): Delete.
1267 * expr.c (safe_from_p): Update call to true_dependence.
1268 * ira.c (validate_equiv_mem_from_store): Likewise.
1269 (memref_referenced_p): Likewise.
1270 * postreload-gcse.c (find_mem_conflicts): Likewise.
1271 * sched-deps.c (sched_analyze_2): Likewise.
1272 * store-motion.c (load_kills_store): Likewise.
1273 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1274 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1275 (compute_transp): Update call to canon_true_dependence.
1277 2012-01-25 Richard Henderson <rth@redhat.com>
1279 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1280 (maybe_emit_atomic_test_and_set): New.
1281 (expand_sync_lock_test_and_set): Use it.
1282 (expand_atomic_test_and_set): Likewise.
1283 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1284 the implementation; clarify implementation defined details.
1285 * doc/md.texi (atomic_test_and_set): Document.
1287 2012-01-25 Richard Henderson <rth@redhat.com>
1289 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1291 2012-01-25 Richard Henderson <rth@redhat.com>
1294 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1295 to effect no-op split.
1297 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1300 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1301 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1302 (BT_FN_VOID_PTR_INT_SIZE): New.
1303 (BT_FN_UINT_UINT_VAR): Remove.
1304 (BT_FN_UINT32_UINT32_VAR): New.
1305 (BT_FN_DOUBLE_VPTR): Remove.
1306 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1308 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1309 (_ITM_changeTransactionMode): Same.
1310 (_ITM_memmoveRtWt): Change return type to void.
1311 (_ITM_memcpyRtWt): Same.
1312 (_ITM_memsetW): Same.
1313 (_ITM_RaRD): Change types to double.
1318 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1320 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1321 Patrick Marlier <patrick.marlier@gmail.com>
1323 * trans-mem.c (requires_barrier): Do not instrument thread local
1324 variables and emit save/restore for them.
1326 2012-01-24 Jason Merrill <jason@redhat.com>
1329 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1330 output static aliases.
1332 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1335 * common.opt (-pie, -shared, pie, shared): Change from Common to
1337 * gcc.c (display_help): Display help for -pie and -shared.
1339 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1342 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1343 Remove note on size/offset limitation.
1344 (AVR Variable Attributes): Add example how to read data located
1345 with progmem. Refer to named address spaces.
1346 * doc/invoke.texi (AVR Options): Fix typo.
1348 2012-01-24 Richard Guenther <rguenther@suse.de>
1350 Forward-port to trunk
1351 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1354 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1355 op0 isn't sufficiently aligned and there is movmisalignM
1356 insn for mode, use it to load op0 into a temporary register.
1358 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1361 * target.def (const_not_ok_for_debug_p): New hook.
1362 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1364 * doc/tm.texi: Regenerated.
1365 * dwarf2out.c (const_ok_for_output_1): If
1366 targetm.const_not_ok_for_debug_p returns true, fail.
1367 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1369 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1371 2012-01-23 Kai Tietz <ktietz@redhat.com>
1374 * config/i386/predicates.md (symbolic_operand): Allow
1375 UNSPEC_PCREL as PIC expression for lea.
1376 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1377 * config/i386/i386.c (ix86_delegitimize_address): Handle
1378 UNSPEC_PCREL for none-MEM, too.
1380 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1382 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1383 (ipa_tm_create_version_alias): Same.
1385 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1388 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1389 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1391 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1392 Patrick Marlier <patrick.marlier@gmail.com>
1393 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1396 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1397 simple_object_start_read.
1399 2012-01-23 Richard Guenther <rguenther@suse.de>
1402 PR tree-optimization/51895
1403 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1404 parameter decomposition into BLKmode components.
1406 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1408 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1409 fake variables for restrict-qualified pointers whose pointed-to type
1410 contains a placeholder.
1412 2012-01-23 Richard Guenther <rguenther@suse.de>
1414 PR tree-optimization/51949
1415 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1417 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1419 PR rtl-optimization/51933
1420 * ree.c (transform_ifelse): Return true right away if dstreg is
1421 already wider or equal to cand->mode.
1422 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1423 (make_defs_and_copies_lists): Remove defs_list and copies_list
1424 arguments, add state argument, just truncate state->work_list
1425 instead of always allocating and freeing the vector. Assert that
1426 get_defs succeeds instead of returning 2. Changed return type to bool.
1427 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1428 have ext_src_mode, see if it has been modified already with the
1429 right kind of extension and has been extended before from the
1430 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1431 just return true. Remember the original mode in state->modified array.
1432 (combine_reaching_defs): Add state argument. Don't allocate and
1433 free here def_list, copied_list and vec vectors, instead just
1434 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1435 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1436 Add state variable, clear vectors in it, initialize state.modified
1437 if needed. Free all the vectors at the end and state.modified too.
1438 Don't skip a candidate if the extension expression has been modified.
1440 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1443 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1444 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1445 (extra_options) interix.opt -> i386/interix.opt"
1446 (extra_objs):Add winnt-stubs.o
1447 * configure.ac: Add interix to target_os .comm on PE check.
1448 * configure: Regenerate.
1449 * config/interix3.h: Delete and move bits to..
1450 * config/interix.h: Delete and move bits to..
1451 * config/i386/i386-interix3.h: Delete and move bits to..
1452 * config/i386/i386-interix.h: ..here.
1453 (TARGET_CPU_DEFAULT): Remove redefinition.
1454 (TARGET_ASM_CONSTRUCTOR): Undefine.
1455 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1456 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1457 (PTRDIFF_TYPE): Define.
1458 (LONG_DOUBLE_TYPE_SIZE): Define.
1459 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1460 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1461 (TARGET_SECTION_TYPE_FLAGS): Define.
1462 (ASM_DECLARE_FUNCTION_NAME): Define.
1463 (ASM_OUTPUT_EXTERNAL): Define.
1464 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1465 (ASM_OUTPUT_ALIGNED_BSS): Define.
1466 (PCC_BITFIELD_TYPE_MATTERS): Define.
1467 (USE_CONST_SECTION): Define.
1468 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1469 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1470 (SUPPORTS_ONE_ONLY): Remove.
1471 (I386_PE_STRIP_ENCODING): Define.
1472 * config/interix.opt: Delete and move bits to..
1473 * config/i386/interix.opt: ..here. New.
1474 (mpe-aligned-commons): Add.
1475 * config/i386/t-interix: Add copyright header.
1476 (winnt-stubs.o): Add rule.
1478 2012-01-22 Jason Merrill <jason@redhat.com>
1481 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1482 for extra name aliases.
1484 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1486 PR rtl-optimization/51924
1487 * ree.c (combine_set_extension): Improve debugging message.
1488 (combine_reaching_defs): Likewise.
1489 (get_defs): Rename confusingly named variable.
1490 (find_and_remove_re): Skip a candidate if the extension expression has
1493 2012-01-21 Robert Millan <rmh@gnu.org>
1494 Gerald Pfeifer <gerald@pfeifer.com>
1496 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1497 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1499 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1501 PR tree-optimization/51914
1502 * tree-vect-stmts.c (vectorizable_conversion): For
1503 cvt_type && modifier == WIDEN, put temporary with cvt_type
1504 at the beginning of vec_dsts and set vec_dest to temporary
1507 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1509 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1511 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1513 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1514 * config/rs6000/rs6000.c: Likewise.
1516 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1519 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1520 output_move_double on a copy of operands array.
1522 2012-01-20 Cary Coutant <ccoutant@google.com>
1523 Dodji Seketeli <dodji@redhat.com>
1526 * dwarf2out.c (copy_declaration_context): Return ref to parent
1527 of declaration DIE, if necessary.
1528 (remove_child_or_replace_with_skeleton): Add new parameter; update
1529 caller. Place skeleton DIE under parent DIE of original declaration.
1530 Move call to copy_declaration_context to here ...
1531 (break_out_comdat_types): ... from here.
1533 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1535 PR rtl-optimization/51856
1536 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1539 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1542 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1543 hints for neon loads and stores.
1545 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1549 * doc/extend.texi (Named Address Spaces): Split into subsections.
1550 (AVR Named Address Spaces): New subsection.
1551 (M32C Named Address Spaces): New subsection.
1552 (RL78 Named Address Spaces): New subsection.
1553 (SPU Named Address Spaces): New subsection.
1554 (Variable Attributes): New anchor "AVR Variable Attributes".
1555 (AVR Variable Attributes): Rewrite and avoid wording
1556 "address space" in this context.
1557 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1558 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1559 (AVR Built-in Macros): New subsubsection therein.
1560 * doc/md.texi (AVR constraints): Remove "C04", "R".
1562 2012-01-20 Richard Guenther <rguenther@suse.de>
1564 PR tree-optimization/51903
1565 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1566 when removing stmts.
1568 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1571 * config/arm/arm.c (arm_load_pic_register): Use
1572 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1573 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1574 (arm_pic_static_addr): Likewise.
1575 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1576 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1577 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1578 (pic_load_addr_unified): New.
1580 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1583 * function.c (instantiate_virtual_regs_in_insn): Use
1584 delete_insn_and_edges when removing a wrong asm insn.
1586 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1588 PR rtl-optimization/40761
1589 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1590 Add new member loop_num.
1591 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1592 (ira_build): Remove the parameter.
1594 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1595 (ira.c): Do not build CFG loops for one region allocation. Remove
1596 argument from ira_build call.
1598 * ira-build.c (init_loop_tree_node): New function.
1599 (create_loop_tree_nodes): Use it. Separate the case when CFG
1600 loops are not built.
1601 (more_one_region_p): Check current_loops.
1602 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1604 (add_loop_to_tree): Process loop equal to NULL too.
1605 (form_loop_tree): Separate the case when CFG loops are not built.
1606 Use explicitly number for the root.
1607 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1609 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1610 instead of loop->num.
1611 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1612 (mark_all_loops_for_removal): Ditto.
1613 (remove_unnecessary_regions): Separate the case when CFG loops
1615 (ira_build): Remove the parameter. Use explicit number of regions
1616 when CFG loops are not built.
1618 * ira-color.c (print_loop_title): Separate the case for the root node.
1619 Use loop_num instead of loop->num.
1620 (move_spill_restore): Use loop_num instead of loop->num.
1622 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1623 (change_loop): Ditto.
1624 (change_loop): Use loop_num instead of loop->num.
1626 * ira-lives.c (process_bb_node_lives): Ditto.
1628 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1630 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1632 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1635 * tree-mudflap.c (mf_artificial): New function.
1636 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1637 mx_register_decls, mudflap_enqueue_decl): Use it.
1640 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1641 numbers in the insn pattern.
1643 2012-01-19 Michael Matz <matz@suse.de>
1645 PR tree-optimization/46590
1646 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1647 use it in remembering which conflicts we already created.
1648 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1651 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1654 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1655 (merge_and_complain): Same.
1657 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1660 * config/initfini-array.h: Guard content of the header
1661 with #ifdef HAVE_INITFINI_ARRAY.
1662 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1663 Add initfini-array.h to tm_file here.
1664 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1665 * config.gcc: Don't add initfini-array.h to tm_file here.
1666 * configure: Regenerated.
1668 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1670 PR rtl-optimization/51505
1671 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1672 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1673 (df_note_bb_compute): Update the call to df_kill_notes.
1675 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1677 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1679 2012-01-18 Richard Guenther <rguenther@suse.de>
1681 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1682 of conversions to void *.
1684 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1685 Richard Sandiford <rdsandiford@googlemail.com>
1689 * optabs.h (simplify_expand_binop): Declare.
1690 * optabs.c (simplify_expand_binop): Make global.
1691 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1692 endian targets if the source cannot be exactly covered by word
1695 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1698 * hard-reg-set.h (struct hard_reg_set_container): New type.
1699 * target.h (struct hard_reg_set_container): Forward declare.
1700 * target.def (set_up_by_prologue): New target hook.
1701 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1702 * doc/tm.texi: Regenerated.
1703 * function.c (thread_prologue_and_epilogue_insns): Change
1704 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1705 Call targetm.set_up_by_prologue on it.
1706 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1707 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1709 2012-01-17 Nick Clifton <nickc@redhat.com>
1711 * config/rx/rx.c (rx_can_use_simple_return): New function.
1712 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1713 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1715 2012-01-17 Richard Guenther <rguenther@suse.de>
1718 * expr.c (expand_assignment): Take address-space information
1719 from the address operand of MEM_REF and TARGET_MEM_REF.
1720 (expand_expr_real_1): Likewise.
1722 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1724 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1725 reload dump is requested.
1727 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1730 * trans-mem.c (requires_barrier): Call may_be_aliased.
1732 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1734 PR tree-optimization/51877
1735 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1736 call arguments and fndecls compare equal, instead return false if they
1737 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1738 both SSA_NAMEs that are valueized the same, or they satisfy
1741 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1743 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1745 * configure: Regenerate.
1747 2012-01-16 Jan Hubicka <jh@suse.cz>
1751 * convert.c (convert_to_integer): Use fold_convert for
1752 converting an INTEGER_CST to integer type.
1754 2012-01-16 Jason Merrill <jason@redhat.com>
1757 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1759 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1762 * config/s390/s390.c (s390_chunkify_start): Don't skip
1763 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1764 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1765 If insn is followed by NOTE_INSN_VAR_LOCATION or
1766 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1767 Don't use location of note insns.
1769 PR tree-optimization/51865
1770 * tree-inline.c (tree_function_versioning): Call remap_decl
1771 on DECL_RESULT whenever it has VOID_TYPE_P type.
1773 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1775 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1776 for calls to locally-binding MIPS16 functions if only the return
1777 type uses float regs.
1779 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1780 Richard Sandiford <rdsandiford@googlemail.com>
1782 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1783 (SYMBOL_32_HIGH): Likewise.
1784 (mips_output_tls_reloc_directive): Declare.
1785 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1786 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1787 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1788 (mips_lo_relocs, mips_hi_relocs): Make extern.
1789 (mips16_stub_function): Move up file.
1790 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1791 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1792 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1793 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1794 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1795 (mips_get_tp): Add MIPS16 support.
1796 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1797 Generalize DTPREL and TPREL handling.
1798 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1799 Add MIPS16 TLS support.
1800 (mips_output_tls_reloc_directive): New function.
1801 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1802 * config/mips/predicates.md (symbolic_operand_with_high)
1803 (tls_reloc_operand): New predicates.
1804 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1805 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1806 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1807 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1808 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1809 (*tls_get_tp_mips16_call_<mode>): Likewise.
1811 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1813 PR rtl-optimization/51821
1814 * recog.c (peep2_find_free_register): Determine clobbered registers
1817 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1820 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1821 * config/avr/avr.c: Likewise.
1822 * config/avr/avr.h: Likewise.
1824 2012-01-13 Ian Lance Taylor <iant@google.com>
1827 * tree.h (TYPE_QUALS): Add cast to int.
1828 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1830 2012-01-13 Ian Lance Taylor <iant@google.com>
1832 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1833 comparing param_index to VEC_length result.
1835 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1837 * c-decl.c: Do not include tree-mudflap.h
1838 * tree-optimize.c: Likewise.
1839 * Makefile.in: Update dependencies.
1841 2012-01-13 Richard Guenther <rguenther@suse.de>
1844 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1845 variable-sized result always use RSO.
1847 2012-01-12 DJ Delorie <dj@redhat.com>
1849 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1850 pointer type, not just the default pointer type.
1852 2012-01-09 Richard Henderson <rth@redhat.com>
1853 Denis Chertykov <chertykov@gmail.com>
1856 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1857 * config/avr/avr.c (avr_can_eliminate): Simplify.
1858 (avr_initial_elimination_offset): Likewise.
1859 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1860 (expand_epilogue): Likewise.
1861 (avr_legitimize_address): Gut.
1862 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1863 (avr_hard_regno_nregs): New.
1864 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1865 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1866 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1867 add soft frame pointer.
1868 (CALL_USED_REGISTERS): Likewise.
1869 (REG_CLASS_CONTENTS): Likewise.
1870 (REGISTER_NAMES): Likewise.
1871 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1872 (HARD_FRAME_POINTER_REGNUM): New.
1873 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1874 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1875 remove the HARD_FRAME_POINTER self-elimination.
1877 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1880 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1881 DECL_EXTERNAL when checking for initializers of progmem variables.
1883 2012-01-12 Ira Rosen <irar@il.ibm.com>
1885 PR tree-optimization/51799
1886 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1887 that the last operation is a type demotion.
1889 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1891 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1892 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1894 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1897 * combine.c (distribute_notes): If i3 is a noreturn call,
1898 allow old_size to be equal to args_size and make sure the
1899 noreturn call gets REG_ARGS_SIZE note.
1900 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1901 on noreturn calls even when the delta is 0.
1903 2012-01-11 Nathan Sidwell <nathan@acm.org>
1905 * gcov.c (STRING_SIZE): Remove.
1906 (generate_results): Erase annotations for source files with no
1907 coverage information.
1909 (output_lines): Use it.
1911 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1913 * gimple.h (gimplify_body): Remove first argument.
1914 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1915 pointer set here, instead just pass DATA to walk_tree.
1916 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1917 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1918 (unvisit_body): Likewise, but with unmark_visited.
1919 (gimplify_body): Remove BODY_P argument and adjust.
1920 (gimplify_function_tree): Adjust call to gimplify_body.
1921 * omp-low.c (finalize_task_copyfn): Likewise.
1923 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1925 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1926 (build_function_type_skip_args): Delete.
1927 * tree.c (build_function_type_skip_args): Make static and add
1928 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1929 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1930 pass it to build_function_type_skip_args.
1931 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1932 (tree_function_versioning): Likewise.
1933 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1934 build_function_decl_skip_args.
1935 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1936 and pass it to build_function_decl_skip_args/tree_function_versioning.
1937 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1938 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1939 * trans-mem.c (ipa_tm_create_version): Likewise.
1940 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1941 * tree-inline.c (declare_return_variable): Remove always-true test.
1942 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1943 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1944 * ipa-split.c (split_function): Skip the return value for the split
1945 part if it doesn't return.
1947 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1949 PR tree-optimization/49642
1950 * ipa-split.c (forbidden_dominators): New variable.
1951 (check_forbidden_calls): New function.
1952 (dominated_by_forbidden): Likewise.
1953 (consider_split): Check for forbidden dominators.
1954 (execute_split_functions): Initialize and free forbidden
1955 dominators info; call check_forbidden_calls.
1957 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1959 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1961 2012-01-11 Nick Clifton <nickc@redhat.com>
1963 * config/rx/rx.md (return): Define pattern.
1965 2012-01-11 Richard Guenther <rguenther@suse.de>
1967 * doc/extend.texi (malloc attribute): Adjust according to
1970 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1971 Patrick Marlier <patrick.marlier@gmail.com>
1974 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1975 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1976 (ipa_tm_note_irrevocable): Same.
1977 (ipa_tm_scan_irr_block): Same.
1978 (ipa_tm_decrement_clone_counts): Same.
1979 (ipa_tm_scan_irr_function): Same.
1980 (ipa_tm_create_version_alias): Same.
1981 (ipa_tm_create_version): Same.
1982 (ipa_tm_transform_calls_redirect): Same.
1983 (ipa_tm_transform_calls): Same.
1984 (ipa_tm_transform_transaction): Same.
1985 (ipa_tm_execute): Same.
1987 2012-01-10 Richard Guenther <rguenther@suse.de>
1990 * opts.c (common_handle_option): Handle -Werror.
1992 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1994 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1997 2012-01-10 Jason Merrill <jason@redhat.com>
1999 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2002 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2004 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2005 supports R_386_TLS_GD_PLT reloc.
2006 (gcc_cv_as_ix86_tlsldmplt): Check if linker
2007 supports R_386_TLS_LDM_PLT reloc.
2008 * configure: Regenerate.
2009 * config.in: Regenerate.
2011 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
2014 Extend __pgmx semantics to linearize memory.
2015 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2016 determine if code comes inline or from libgcc.
2017 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2018 (movmem_qi, movmem_qi): Set constraint #2 to "n".
2019 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2020 (movmemx_qi, movmemx_hi): New insns.
2021 (xload_<mode>_libgcc): Rewrite to new insn condition.
2022 (xload_<mode>): Remove insns.
2023 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2024 cases that don't satisfy avr_xload_libgcc_p().
2025 (avr_addr_space_convert): Allow converting in any direction.
2026 (avr_addr_space_subset_p): Return always true.
2027 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2028 (avr_emit_movmemhi): Ditto.
2029 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2030 (avr_out_movmem): Ditto.
2031 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2032 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2033 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2034 (avr_encode_section_info): Encode 'progmem' in symbol flags.
2035 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2037 2012-01-10 Richard Guenther <rguenther@suse.de>
2039 PR tree-optimization/50913
2040 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2041 Require data-refs to be representable by Graphite with respect
2044 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
2046 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2047 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2049 2012-01-10 Tom de Vries <tom@codesourcery.com>
2051 PR rtl-optimization/51271
2052 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2053 handling annulled branch.
2055 2012-01-10 Richard Henderson <rth@redhat.com>
2057 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2058 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2059 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2060 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2061 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2062 arm_expand_vec_perm_const): New.
2063 * config/arm/arm-protos.h: Update.
2064 * config/arm/neon.md (UNSPEC_VCONCAT): New.
2065 (*neon_vswp<VDQX>): New.
2066 (neon_vcombine<VDX>): Use neon_split_vcombine.
2067 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2068 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2069 (vec_perm<VE>): New.
2071 2012-01-10 Richard Henderson <rth@redhat.com>
2073 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2074 use it if reload_completed.
2075 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2076 arm_output_asm_insn, arm_process_output_memory_barrier,
2077 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2078 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2079 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2080 arm_process_output_sync_insn, arm_output_sync_insn,
2081 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2082 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2083 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2084 (emit_unlikely_jump): New.
2085 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2086 (arm_split_atomic_op): New.
2087 * config/arm/arm-protos.h: Update.
2088 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2089 (struct arm_sync_generator): Remove.
2090 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2091 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2092 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2093 (VUNSPEC_LL, VUNSPEC_SC): New.
2094 (sync_result, sync_memory, sync_required_value, sync_new_value,
2095 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2096 (attr length): Don't use arm_sync_loop_insns.
2097 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2098 (movsfcc, movdfcc): Likewise.
2099 * config/arm/constraints.md (Ua): New.
2100 * config/arm/prediates.md (mem_noofs_operand): New.
2101 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2102 (sync_clobber, sync_t2_reqd): Remove.
2103 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2104 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2105 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2106 (arm_sync_compare_and_swap<SIDI>): Remove.
2107 (arm_sync_compare_and_swap<NARROW>): Remove.
2108 (arm_sync_lock_test_and_set<SIDI>): Remove.
2109 (arm_sync_lock_test_and_set<NARROW>): Remove.
2110 (arm_sync_new_<syncop><SIDI>): Remove.
2111 (arm_sync_new_<syncop><NARROW>): Remove.
2112 (arm_sync_new_nand<SIDI>): Remove.
2113 (arm_sync_new_nand<NARROW>): Remove.
2114 (arm_sync_old_<syncop><SIDI>): Remove.
2115 (arm_sync_old_<syncop><NARROW>): Remove.
2116 (arm_sync_old_nand<SIDI>): Remove.
2117 (arm_sync_old_nand<NARROW>): Remove.
2118 (*memory_barrier): Merge arm_output_memory_barrier.
2119 (atomic_compare_and_swap<QHSD>): New.
2120 (atomic_compare_and_swap<NARROW>_1): New.
2121 (atomic_compare_and_swap<SIDI>_1): New.
2122 (atomic_exchange<QHSD>): New.
2123 (cas_cmp_operand, cas_cmp_str): New.
2124 (atomic_op_operand, atomic_op_str): New.
2125 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2126 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2127 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2128 (arm_load_exclusive<NARROW>): New.
2129 (arm_load_exclusivesi, arm_load_exclusivedi): New.
2130 (arm_store_exclusive<QHSD>): New.
2132 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2134 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2135 reload patterns if -mvsx-scalar-memory.
2137 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2138 generated, even -mno-vsx-scalar-double was used.
2139 (vsx_xscvdpsp_scalar): Likewise.
2140 (vsx_xscvspdp_scalar2): Likewise.
2142 2012-01-09 Tom de Vries <tom@codesourcery.com>
2143 Andrew Pinski <apinski@cavium.com>
2146 * reorg.c (fill_slots_from_thread): Don't speculate
2147 frame-related insns.
2149 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
2151 * sched-int.h (bb_note): Move to...
2152 * basic-block.h: ...here.
2153 * haifa-sched.c (bb_note): Move to...
2154 * cfgrtl.c: ...here.
2155 * function.c (next_block_for_reg): New function.
2156 (move_insn_for_shrink_wrap): Likewise.
2157 (prepare_shrink_wrap): Rewrite to use the above.
2159 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
2161 * gimple.c (is_gimple_non_addressable): Remove.
2162 * gimple.h: Remove is_gimple_non_addressable.
2163 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2164 is_gimple_non_addressable.
2165 * trans-mem.c (expand_assign_tm): Same.
2167 2012-01-09 Richard Guenther <rguenther@suse.de>
2169 PR tree-optimization/51775
2170 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2171 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2173 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2175 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2177 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2179 2012-01-09 Richard Guenther <rguenther@suse.de>
2181 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2183 2012-01-08 Jan Hubicka <jh@suse.cz>
2185 PR tree-optimize/51680
2186 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2187 on when known_vals needs to be computed; cleanup.
2189 2012-01-08 Jan Hubicka <jh@suse.cz>
2191 PR tree-optimize/51694
2192 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2194 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
2196 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2197 for -std=c++98 and -std=c++11 too.
2199 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
2201 * cfgloop.c (cancel_loop): Add free() of bbs array.
2203 2012-01-07 Jan Hubicka <jh@suse.cz>
2205 PR tree-optimization/51600
2206 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2207 that benefits small functions.
2209 2012-01-07 Jan Hubicka <jh@suse.cz>
2211 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2213 2012-01-07 Jan Hubicka <jh@suse.cz>
2215 PR tree-optimization/51680
2216 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2217 whose inlining reduce unit size.
2219 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2222 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2223 Add canonical node to containing_mem chain after the non-canonical
2224 one, even if there weren't any locs to propagate.
2225 (remove_useless_values): Keep only canonical values.
2226 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2227 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2228 canonicalize mem_chain elements that are not discarded.
2230 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2233 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2234 before emitting functions.
2236 PR gcov-profile/50127
2237 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2238 clear_aux_for_blocks.
2240 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
2243 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2245 2012-01-06 Arnaud Charlet <charlet@adacore.com>
2247 * c-decl.c (ext_block): Moved up.
2248 (collect_all_refs, for_each_global_decl): Take ext_block into account.
2250 2012-01-06 Han Shen <shenhan@google.com>
2252 Translate built-in include paths for sysroot.
2253 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2254 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2256 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2257 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2259 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2260 control whether sysroot should be prepended to gxx include dir.
2262 * configure: Regenerate.
2264 2012-01-06 Torvald Riegel <triegel@redhat.com>
2266 PR rtl-optimization/51771
2267 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2268 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2270 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2272 PR tree-optimization/51315
2273 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2274 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2276 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
2279 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2280 for shrp pattern. Correctly handle and fixup shift variable.
2281 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2283 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2286 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2287 note when !ACCUMULATE_OUTGOING_ARGS.
2289 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2291 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2293 (extract_range_from_unary_expr_1): Avoid useless computations.
2295 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2297 PR rtl-optimization/51767
2298 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2299 of jump_block and add an extra edge for degenerated asm gotos.
2302 * stmt.c (check_unique_operand_names): Don't ICE during error
2303 reporting if i is from labels chain.
2306 * profile.c (branch_prob): Split bbs that have exit edge
2307 and need a fake entry edge too.
2309 2012-01-05 Jan Hubicka <jh@suse.cz>
2312 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2315 2012-01-05 Richard Guenther <rguenther@suse.de>
2318 * tree-streamer-out.c (write_ts_optimization): New function.
2319 (streamer_write_tree_body): Call it.
2320 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2321 (streamer_read_tree_body): Call it.
2322 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2324 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2327 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2328 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2329 in_cleanup_point_expr before gimplify_stmt call and restore it
2331 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2332 in_cleanup_point_expr is false.
2334 2012-01-05 Richard Guenther <rguenther@suse.de>
2337 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2339 * toplev.c (process_options): Reject combining mudflap and LTO.
2340 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2342 2012-01-05 Richard Guenther <rguenther@suse.de>
2344 PR tree-optimization/51760
2345 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2347 (bit_value_unop): Handle UNDEFINED operands.
2348 (bit_value_binop): Likewise.
2350 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2352 * config/avr/avr.c (avr_replace_prefix): Remove.
2353 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2354 (avr_asm_function_rodata_section): Ditto.
2355 (avr_asm_select_section): Ditto.
2357 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2359 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2362 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2365 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2366 calls that have any non-fake successor edges.
2369 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2371 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2373 PR tree-optimization/51624
2374 * tree-sra.c (build_ref_for_model): When replicating a chain of
2375 COMPONENT_REFs, stop as soon as the offset would become negative.
2377 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2380 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2381 in .debug_loc on the floor.
2383 2012-01-04 Andrew Pinski <apinski@cavium.com>
2385 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2387 2012-01-04 Andrew Pinski <apinski@cavium.com>
2388 Adam Nemet <anemet@caviumnetworks.com>
2390 * config/mips/mips.md (size): Add SI and DI.
2391 (SIZE): New mode attribute.
2392 (U): New code attribute.
2393 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2394 (mips_lbux_<mode>): Delete.
2395 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2396 (mips_lhx): Use gen_mips_lhx_extsi.
2397 (mips_lhx_<mode>): Delete.
2399 (mips_l<size>x): New expand.
2400 (mips_lwx_<mode>): Delete.
2401 (mips_l<GPR:size>x_<P:mode>): New pattern.
2402 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2403 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2404 * config/mips/mips.c (mips_lx_address_p): New function.
2405 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2406 (dsp64): New availability predicate.
2407 (mips_builtins): Add an entry for __builtin_mips_ldx.
2408 * config/mips/mips.h (ISA_HAS_LBX): New define.
2409 (ISA_HAS_LBUX): Likewise.
2410 (ISA_HAS_LHX): Likewise.
2411 (ISA_HAS_LHUX): Likewise.
2412 (ISA_HAS_LWX): Likewise.
2413 (ISA_HAS_LWUX): Likewise.
2414 (ISA_HAS_LDX): Likewise.
2415 * doc/extend.texi (__builtin_mips_ldx): Document.
2417 2012-01-04 Tristan Gingold <gingold@adacore.com>
2419 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2420 when long pointers are used.
2421 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2422 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2423 (ia64-hp-*vms*): Remove.
2424 * config/vms/xm-vms64.h: Delete.
2426 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2429 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2431 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2433 * opts.c (finish_options): Remove duplicate sorry.
2435 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2438 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2441 2012-01-04 Richard Guenther <rguenther@suse.de>
2444 * tree.c (size_low_cst): New function.
2445 * tree.h (size_low_cst): Declare.
2446 * fold-const.c (fold_comparison): Use it to extract the low
2447 part of the POINTER_PLUS_EXPR offset.
2449 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2451 Fix clearing ZERO_REG
2452 * config/avr/avr.md (cc): Add alternative "ldi".
2453 (movqi_insn): Use it in cc attribute.
2454 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2455 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2456 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2458 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2460 * configure: Regenerate.
2462 2012-01-04 Richard Guenther <rguenther@suse.de>
2464 PR tree-optimization/49651
2465 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2466 (var_can_have_subvars): Use it.
2467 (get_constraint_for_1): Only consider subfields if there can be any.
2469 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2472 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2473 to its new canonical_cselib_val and the cselib_val was in
2474 first_containing_mem chain, but the canonical_cselib_val was not,
2475 add the latter into the chain.
2476 (cselib_invalidate_mem): Compare canonical_cselib_val of
2477 addr_list chain elt with v.
2480 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2481 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2483 (output_macinfo_op): Don't ggc_strdup fd->filename.
2484 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2485 then ggc_strdup it. Don't free inc->info or cur->info.
2486 (output_macinfo): Don't free ref->info or file->info.
2488 2012-01-03 Ira Rosen <irar@il.ibm.com>
2490 PR tree-optimization/51269
2491 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2492 first_niters a pointer.
2493 (slpeel_tree_peel_loop_to_edge): Likewise.
2494 (vect_do_peeling_for_loop_bound): Update call to
2495 slpeel_tree_peel_loop_to_edge.
2496 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2497 here. Remove it from the parameters list.
2498 (vect_do_peeling_for_alignment): Update calls and compute
2501 2012-01-03 Richard Guenther <rguenther@suse.de>
2503 PR tree-optimization/51070
2504 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2505 Properly handle calls.
2507 2012-01-03 Richard Guenther <rguenther@suse.de>
2509 PR tree-optimization/51692
2510 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2511 the LHS of allocation stmts.
2513 2012-01-03 Olivier Hainque <hainque@adacore.com>
2515 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2517 2012-01-03 Olivier Hainque <hainque@adacore.com>
2519 * collect2.c (main): In AIX specific computations for vector
2520 insertions, use CONST_CAST2 to cast from char ** to const char **.
2522 2012-01-03 Richard Guenther <rguenther@suse.de>
2525 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2526 the context of a limbo DIE when it does not already exist.
2528 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2530 PR tree-optimization/51719
2531 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2532 but direct call is, clear direct call's lhs and don't add fallthrough
2533 edge from dcall_bb to join_bb and PHIs.
2535 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2537 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2538 the instructions emitted by the pattern.
2539 ("*TDC_insn_<mode>"): Add comment.
2541 2012-01-03 Richard Guenther <rguenther@suse.de>
2544 * fold-const.c (fold_comparison): Properly canonicalize
2545 tree offset and HOST_WIDE_INT bit position.
2547 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2549 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2550 operands for extzv pattern.
2552 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2555 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2558 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2560 * doc/invoke.texi (-flto and related options): Copy-edit.
2562 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2564 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2566 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2568 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2571 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2573 * expr.h (move_by_pieces_ninsns): Declare.
2574 * expr.c (move_by_pieces_ninsns): Make external.
2575 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2576 (mips_store_by_pieces_p): Likewise.
2577 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2578 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2579 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2580 (mips_store_by_pieces_p): Likewise.
2582 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2584 * passes.c (register_one_dump_file): Free full_name.
2586 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2587 (calculate_elim_costs_all_insns): Free offsets_at and
2588 offsets_known_at at the end and clear the pointers.
2590 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2592 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2593 this option introduced in r180739.
2595 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2598 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2599 (tmake_file target=avr): Add avr/t-multilib.
2601 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2602 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2603 * config/avr/genmultilib.awk: New file.
2604 * config/avr/t-multilib: New auto-generated file.
2605 * config/avr/multilib.h: New auto-generated file.
2606 * config/avr/t-avr (AVR_MCUS): New variable.
2607 (genopt.sh): Use it.
2608 (s-mlib): Depend on t-multilib.
2609 (t-multilib, multilib.h): New dependencies.
2610 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2611 (MULTILIB_OPTIONS): Remove.
2612 (MULTILIB_MATCHES): Remove.
2613 (MULTILIB_DIRNAMES): Remove.
2614 (MULTILIB_EXCEPTIONS): Remove:
2615 * config/avr/genopt.sh: Don't use hard coded file name;
2616 pass AVR_MCUS from t-avr instead.
2618 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2620 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2622 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2624 Implement light-weight DImode support.
2625 * config/avr/avr-dimode.md: New file.
2626 * config/avr/avr.md: Include it.
2627 (adjust_len): Add plus64, compare64.
2628 (HIDI): Remove code iterator.
2629 (code_stdname): New code attribute.
2630 (rotx, rotsmode): Remove DI.
2631 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2633 * config/avr/avr-protos.h (avr_have_dimode): New.
2634 (avr_out_plus64, avr_out_compare64): New.
2635 * config/avr/avr.c (avr_out_compare): Handle DImode.
2636 (avr_have_dimode): New variable definition and initialization.
2637 (avr_out_compare64, avr_out_plus64): New functions.
2638 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2639 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2640 (avr_compare_pattern): Skip DImode comparisons.
2642 2012-01-02 Revital Eres <revital.eres@linaro.org>
2644 * ddg.c (def_has_ccmode_p): New function.
2645 (add_cross_iteration_register_deps,
2646 create_ddg_dep_from_intra_loop_link): Call it.
2648 2012-01-02 Richard Guenther <rguenther@suse.de>
2651 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2653 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2655 * gcc.c (process_command): Update copyright notice dates.
2656 * gcov.c (print_version): Likewise.
2657 * gcov-dump.c (print_version): Likewise.
2658 * mips-tfile.c (main): Likewise.
2659 * mips-tdump.c (main): Likewise.
2661 2012-01-01 Ira Rosen <irar@il.ibm.com>
2663 PR tree-optimization/51704
2664 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2665 a use is inside the basic block or loop before accessing its vect info.
2667 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2669 PR rtl-optimization/51069
2670 * cfgloopmanip.c (remove_path): Removing path making irreducible
2671 region unconditional makes BB part of the region.
2673 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2675 PR tree-optimization/51683
2676 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2677 calls with side-effects.
2678 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2680 Copyright (C) 2012 Free Software Foundation, Inc.
2682 Copying and distribution of this file, with or without modification,
2683 are permitted in any medium without royalty provided the copyright
2684 notice and this notice are preserved.