1 2012-02-21 Richard Guenther <rguenther@suse.de>
3 PR tree-optimization/52324
4 * gimplify.c (gimplify_expr): When re-gimplifying expressions
5 do not gimplify a MEM_REF address operand if it is already
8 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
10 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
11 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
13 2012-02-21 Richard Guenther <rguenther@suse.de>
15 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
18 2012-02-21 Jakub Jelinek <jakub@redhat.com>
20 PR tree-optimization/52318
21 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
22 vdef also to non-pure/const call stmts in the sequence.
24 2012-02-20 David S. Miller <davem@davemloft.net>
26 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
27 don't use the "rd %pc" instruction on v9 for PIC register loads.
29 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
32 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
33 in a transaction safe function.
35 2012-02-20 Kai Tietz <ktietz@redhat.com>
38 * stor-layout.c (place_field): Handle desired_align for
41 2012-02-20 Richard Guenther <rguenther@suse.de>
43 PR tree-optimization/52298
44 * tree-vect-stmts.c (vectorizable_store): Properly use
45 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
47 (vectorizable_load): Likewise.
48 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
49 Access DR_STEP after ensuring it is not NULL.
51 2012-02-20 Jakub Jelinek <jakub@redhat.com>
53 PR tree-optimization/52286
54 * fold-const.c (fold_binary_loc): For (X & C1) | C2
55 optimization use double_int_to_tree instead of build_int_cst_wide,
56 rewrite to use double_int vars.
58 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
61 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
63 Remove -e 0 from $gcc_cv_ld invocation.
64 Only use __GLIBC_PREREQ if defined.
65 Enable on Solaris since Solaris 8 patch.
66 (gcc_SUN_LD_VERSION): New macro.
67 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
68 gcc_SUN_LD_VERSION for version number format.
69 * configure: Regenerate.
70 * varasm.c (get_elf_initfini_array_priority_section): Set
71 SECTION_NOTYPE for non-default priority.
72 Use get_section instead of get_unnamed_section to emit
73 .init_array/.fini_array with default priority.
75 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
77 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
78 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
79 (mips_start_unique_function, mips_output_mips16_rdhwr)
80 (mips_code_end): New functions.
81 (TARGET_ASM_CODE_END): Define.
83 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
85 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
86 to stubs with non-sibling calls.
88 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
90 * doc/invoke.texi (-fira-* options): Copy-edit.
91 (ira-* parameters): Copy-edit.
93 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
95 * doc/invoke.texi: Minor copy-edits to bring into conformance with
96 GCC coding conventions.
98 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
100 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
101 when used as adjectives.
103 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
105 * doc/invoke.texi: Clean up "that"/"which" confusion.
107 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
109 * system.h: Poison SMALL_REGISTER_CLASSES
110 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
111 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
113 2012-02-16 Jakub Jelinek <jakub@redhat.com>
115 PR tree-optimization/52285
116 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
117 when deciding if a call is a tail call or tail recursion.
119 2012-02-16 Kai Tietz <ktietz@redhat.com>
121 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
122 interger-constant displacement for UNSPEC_PCREL.
124 2012-02-16 Jakub Jelinek <jakub@redhat.com>
126 PR rtl-optimization/52208
127 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
128 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
130 PR tree-optimization/52255
131 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
132 loop->header has virtual PHI, but exit_e->dest doesn't, add
133 virtual PHI to exit_e->dest and adjust all uses after the loop.
136 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
137 children with clone_tree_hash, not after it.
139 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
141 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
142 extended identifiers.
144 2012-02-16 Jakub Jelinek <jakub@redhat.com>
147 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
148 a same_body_alias, also test whether e->callee isn't a former
149 or current clone of the decl this is a same body alias of.
152 * cgraphunit.c (verify_cgraph_node): Fix a typo.
154 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
156 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
158 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
161 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
162 force_reg instead of copy_to_reg for better optimization. Force
163 non-register or memory operands into a register.
165 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
167 * extend.texi: Reserve upper bits of memory model for future use.
169 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
170 Anatoly Sokolov <aesok@post.ru>
171 Eric Weddington <eric.weddington@atmel.com>
174 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
175 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
176 Rewrite initializers for .macro.
177 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
178 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
179 atxmega32d4, atxmega32x1.
180 avrxmega4: atxmega64a3, atxmega64d3.
181 avrxmega5: atxmega64a1, atxmega64a1u.
182 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
183 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
184 avrxmega7: atxmega128a1, atxmega128a1u.
185 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
186 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
187 (struct base_arch_s): Rename reserved to xmega_p.
188 Rename reserved2 to have_rampd.
189 (AVR_XMEGA): New define.
190 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
191 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
192 * config/avr/predicates.md (io_address_operand): Take into
194 (low_io_address_operand): Ditto.
195 (high_io_address_operand): Ditto.
196 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
197 (enabled, movhi_sp_r): Use them.
198 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
199 cpp_define_formatted to built-in define __AVR_ARCH__.
200 (__AVR_XMEGA__): New built-in define.
201 (__AVR_HAVE_RAMPD__): New built-in define.
202 (__AVR_HAVE_RAMPX__): New built-in define.
203 (__AVR_HAVE_RAMPY__): New built-in define.
204 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
206 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
207 (avr_option_override): Initialize them.
208 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
209 (avr_init_expanders): Initialize them. No more block several calls.
210 (emit_push_sfr): New static function.
211 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
213 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
214 (avr_print_operand): Print addreeses as symbols for
215 RAMPX, RAMPY, RAMPD, CCP.
216 (output_movhi): Handle AVR_XMEGA when writing to SP.
217 (avr_out_movhi_mr_r_xmega): New static function.
218 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
219 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
220 __RAMPD__, __CCP__ as needed.
222 * config/avr/multilib.h: Regenerate.
223 * config/avr/t-multilib: Regenerate.
224 * config/avr/avr-tables.opt: Regenerate.
226 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
228 PR tree-optimization/50561
229 * graphite-flattening.c (lst_project_loop): Do not
230 remove old scattering dimensions after flattening.
231 (lst_do_flatten): Likewise.
233 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
235 * doc/extend.texi (AVR Built-in Functions): Remove doc for
236 __builtin_avr_map8, __builtin_avr_map16.
237 Document __builtin_avr_insert_bits.
239 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
240 (insert_bits): New insn.
241 (adjust_len.map_bits): Rename to insert_bits.
242 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
243 * avr-protos.h (avr_out_map_bits): Remove.
244 (avr_out_insert_bits, avr_has_nibble_0xf): New.
245 * config/avr/constraints.md (Cxf,C0f): New.
246 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
247 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
248 New built-in define __BUILTIN_AVR_INSERT_BITS.
249 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
250 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
251 (avr_move_bits): Rewrite.
252 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
254 (avr_map_op_t): New typedef.
255 (avr_map_op): New static variable.
256 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
257 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
258 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
259 (bdesc_3arg, avr_expand_triop_builtin): New.
260 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
261 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
262 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
263 (avr_map_equal_p, avr_map_sig_p): Remove.
264 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
265 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
266 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
267 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
268 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
269 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
271 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
273 * config/c6x/c6x.md (reserve_cycles): New attribute.
274 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
275 don't reserve functional units after the branch occurs.
277 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
280 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
281 functions into non-tm_pure functions.
283 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
286 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
287 (iterative_hash_canonical_type): Likewise.
288 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
291 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
293 * haifa-sched.c (prune_ready_list): Ensure that if there is a
294 sched-group insn, it either remains alone or the entire list is
297 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
299 * doc/install.texi (Prerequisites): Fix grammar.
300 (Configuration): Likewise.
302 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
304 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
305 MPC as part of GCC before describing configuring with --with-gmp etc.
306 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
309 2012-02-14 Jakub Jelinek <jakub@redhat.com>
312 * dwarf2out.c (clone_tree_hash): New function.
313 (copy_decls_walk): Use it instead of clone_tree.
315 2012-02-14 Richard Guenther <rguenther@suse.de>
317 PR tree-optimization/52244
318 PR tree-optimization/51528
319 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
320 replacements for integral types.
322 2012-02-14 Walter Lee <walt@tilera.com>
324 * config.gcc: Handle tilegx and tilepro.
325 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
327 Add HAVE_AS_TLS check for tilegx and tilepro.
328 * configure: Regenerate.
329 * doc/contrib.texi: Add Mat Hostetter and self.
330 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
331 Document instruction intrinsics and network accessing intrinsics.
332 (TILEPro Built-in Functions): New node. Document instruction
333 intrinsics and network accessing intrinsics.
334 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
335 (Specific, tilepro-*-linux*): Likewise.
336 * doc/invoke.texi (TILE-Gx Options): New section.
337 (TILEPro Options): New section.
338 * doc/md.texi (TILE-Gx): New section.
339 (TILEPro): New section.
340 * common/config/tilegx/tilegx-common.c: New file.
341 * common/config/tilepro/tilepro-common.c: New file.
342 * config/tilegx/constraints.md: New file.
343 * config/tilegx/linux.h: New file.
344 * config/tilegx/mul-tables.c: New file.
345 * config/tilegx/predicates.md: New file.
346 * config/tilegx/sync.md: New file.
347 * config/tilegx/t-tilegx: New file.
348 * config/tilegx/tilegx-builtins.h: New file.
349 * config/tilegx/tilegx-c.c: New file.
350 * config/tilegx/tilegx-generic.md: New file.
351 * config/tilegx/tilegx-modes.def: New file.
352 * config/tilegx/tilegx-multiply.h: New file.
353 * config/tilegx/tilegx-protos.h: New file.
354 * config/tilegx/tilegx.c: New file.
355 * config/tilegx/tilegx.h: New file.
356 * config/tilegx/tilegx.md: New file.
357 * config/tilegx/tilegx.opt: New file.
358 * config/tilepro/constraints.md: New file.
359 * config/tilepro/gen-mul-tables.cc: New file.
360 * config/tilepro/linux.h: New file.
361 * config/tilepro/mul-tables.c: New file.
362 * config/tilepro/predicates.md: New file.
363 * config/tilepro/t-tilepro: New file.
364 * config/tilepro/tilepro-builtins.h: New file.
365 * config/tilepro/tilepro-c.c: New file.
366 * config/tilepro/tilepro-generic.md: New file.
367 * config/tilepro/tilepro-modes.def: New file.
368 * config/tilepro/tilepro-multiply.h: New file.
369 * config/tilepro/tilepro-protos.h: New file.
370 * config/tilepro/tilepro.c: New file.
371 * config/tilepro/tilepro.h: New file.
372 * config/tilepro/tilepro.md: New file.
373 * config/tilepro/tilepro.opt: New file.
375 2012-02-14 Jakub Jelinek <jakub@redhat.com>
377 PR tree-optimization/52210
378 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
379 vect_model_simple_cost with two entry vect_def_type array instead
382 2012-02-14 Richard Guenther <rguenther@suse.de>
385 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
386 Do not stream DECL_QUALIFIER.
387 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
388 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
389 (find_decls_types_r): Do not walk DECL_QUALIFIER.
391 2012-02-14 Jakub Jelinek <jakub@redhat.com>
394 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
397 2012-02-13 Jakub Jelinek <jakub@redhat.com>
400 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
401 * cselib.c (cselib_subst_to_values_from_insn): New function.
402 * sched-deps.c (add_insn_mem_dependence,
403 sched_analyze_1, sched_analyze_2): Use it.
405 2012-02-13 Jan Hubicka <jh@suse.cz>
408 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
410 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
412 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
413 (GTM_SELF_SPECS): Define if not already defined.
414 (driver_self_specs): Add GTM_SELF_SPECS.
415 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
416 (GTM_SELF_SPECS): Define.
417 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
418 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
420 2012-02-13 Jakub Jelinek <jakub@redhat.com>
422 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
425 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is
429 * omp-low.c (expand_omp_for): If a static schedule without
430 chunk size has NULL region->cont, force fd.chunk_size to be
433 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
436 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
438 2012-02-13 Richard Guenther <rguenther@suse.de>
441 * passes.c (enable_disable_pass): Fix typo.
443 2012-02-13 Jakub Jelinek <jakub@redhat.com>
446 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
447 XOR for reduce_bit_field if type is unsigned.
449 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
451 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
452 disallow changes from SFmode to mode with different size in FP regs.
454 2012-02-12 Robert Millan <rmh@gnu.org>
455 Gerald Pfeifer <gerald@pfeifer.com>
457 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
460 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
462 PR rtl-optimization/52175
463 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
464 to frame-related instructions.
466 2012-02-10 Jason Merrill <jason@redhat.com>
469 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
470 (demangle_new_symbols): Fill it.
471 (scan_linker_output): Walk it.
472 (start_tweaking): Split out from scan_linker_output.
473 (maybe_tweak): Update sym->chosen.
474 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
476 2012-02-11 Jakub Jelinek <jakub@redhat.com>
479 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
482 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
484 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
485 having the same mode as previous compare.
487 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
489 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
490 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
491 (nonlocal_goto_internal): Likewise.
492 (nonlocal_goto): Emit a use and an indirect jump directly.
494 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
497 * doc/extend.texi : Update comments for __atomic_compare_exchange and
498 __atomic_{is,always}_lock_free.
500 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
503 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
504 negative constant address for x32.
506 2012-02-10 Richard Henderson <rth@redhat.com>
508 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
509 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
510 for GIMPLE_TRANSACTION. Tidy if's into a switch.
512 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
513 Ira Rosen <irar@il.ibm.com>
515 PR tree-optimization/50031
516 * targhooks.c (default_builtin_vectorization_cost): Handle
518 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
519 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
520 all types of reduction and pattern statements.
521 (vect_estimate_min_profitable_iters): Likewise.
522 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
523 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
524 for explicit realigns.
525 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
526 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
528 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
529 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
530 vec_perm for VSX and handle vec_promote_demote.
532 2012-02-10 Jakub Jelinek <jakub@redhat.com>
535 * builtins.c (fold_builtin_atomic_always_lock_free,
536 expand_builtin_atomic_always_lock_free,
537 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
538 Return and/or test boolean_true_node/boolean_false_node instead of
539 integer_one_node/integer_zero_node.
541 2012-02-10 Jan Hubicka <jh@suse.cz>
544 * predict.c (predict_paths_for_bb): Prevent looping.
545 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
547 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
549 * config/arm/arm.c (output_move_double): In one case properly
550 count number of instructions that will be emitted.
552 2012-02-10 Richard Guenther <rguenther@suse.de>
555 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
557 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
560 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
562 2012-02-09 Jakub Jelinek <jakub@redhat.com>
565 * var-tracking.c (emit_note_insn_var_location): If
566 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
567 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
568 non-NOTE_DURING_CALL_P insn.
570 2012-02-09 Bin Cheng <bin.cheng@arm.com>
573 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
575 2012-02-08 Magnus Granberg <zorry@gentoo.org>
578 * gcc.c (switch_matches) Support switches with separated form,
581 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
583 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
586 * config/avr/avr.c (avr_addr_t): New typedef.
587 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
588 (avr_init_expanders): Initialize it.
589 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
591 (expand_epilogue): Ditto.
592 (avr_print_operand): Ditto.
593 (avr_file_start): Ditto.
594 (avr_emit_movmemhi): Ditto.
596 2012-02-08 Richard Guenther <rguenther@suse.de>
598 PR tree-optimization/46886
599 * tree-flow.h (do_while_loop_p): Declare.
600 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
601 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
603 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
605 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
606 always succeed for integers larger than a native word.
608 2012-02-08 Richard Guenther <rguenther@suse.de>
610 PR rtl-optimization/52170
611 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
612 properly handle integer vector modes.
614 2012-02-08 Jakub Jelinek <jakub@redhat.com>
616 PR gcov-profile/52150
617 * coverage.c: Include target.h.
618 (build_var): Call targetm.strip_name_encoding on the assembler name.
619 Change one _ into . or $ if the target allows it.
620 * Makefile.in (coverage.o): Depend on $(TARGET_H).
622 PR rtl-optimization/52139
623 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
624 is a BARRIER after emit_insn_after_noloc, move BB_END
625 to the last non-BARRIER insn before it.
627 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
630 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
631 (mips_gimplify_va_arg_expr): Call it instead of
632 std_gimplify_va_arg_expr.
634 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
636 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
637 message for -mno-pointers-to-nested-function.
639 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
642 * expr.c (get_inner_reference): If there is an offset, add a negative
643 bit position to it (if any).
645 2012-02-07 Jakub Jelinek <jakub@redhat.com>
647 PR rtl-optimization/52060
648 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
649 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
650 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
651 and/or i0src_copy2 when needed.
653 2012-02-07 Jakub Jelinek <jakub@redhat.com>
655 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
656 or LTOPLUGINSONAME if have_c.
658 * config/freebsd-spec.h: Add comment about what macros can be defined
660 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
661 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
664 2012-02-07 Richard Guenther <rguenther@suse.de>
666 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
667 newline in -alias dumps.
669 2012-02-07 Kai Tietz <ktietz@redhat.com>
670 Dave Korn <dave.korn.cygwin@gmail.com>
673 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
674 Take care that typinfo gets dllexport-attribute.
676 2012-02-07 Jakub Jelinek <jakub@redhat.com>
679 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
680 if modifier < EXPAND_SUM call force_operand on the result.
682 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
684 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
685 adding __forwarder_dst__ prefix if a forwarder_section attribute is
687 (epiphany_function_type): Replace types for specific interrupts with
688 EPIPHANY_FUNCTION_INTERRUPT.
689 (EPIPHANY_INTERRUPT_P): Update.
690 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
692 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
693 <disinterrupt>: Affects type identity.
694 (epiphany_handle_interrupt_attribute): Handle variable number of
696 (epiphany_compute_function_type): Update for new
697 epiphany_function_type definition.
698 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
699 handlers with a longcall forwarder.
700 (epiphany_start_function): Handle multiple interrupt arguments and/or
701 forwarder_section attribute.
703 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
706 2012-02-07 Alan Modra <amodra@gmail.com>
709 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
712 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
714 PR tree-optimization/50969
715 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
716 use vec_perm rather than vector_stmt.
717 (vect_model_load_cost): Likewise.
718 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
719 vec_perm to be the same as other vector statements.
720 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
721 cost of vec_perm for TARGET_VSX.
723 2012-02-06 Richard Guenther <rguenther@suse.de>
725 PR tree-optimization/52115
726 * tree-sra.c (access_has_replacements_p): New function.
727 (sra_modify_assign): Use it to decide whether a use is uninitialized.
729 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
732 * trans-mem.c (expand_call_tm): Add an assertion.
733 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
736 2012-02-06 Richard Guenther <rguenther@suse.de>
738 PR tree-optimization/50955
739 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
740 raise cost of expressions that replace an address with an
741 expression based on a different pointer.
743 2012-02-06 Jakub Jelinek <jakub@redhat.com>
746 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
747 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
749 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
752 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
753 -Weffc++ and specify guidelines come from second edition.
755 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
757 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
758 (sibcall_value_multiple_internal, call_split, call_internal_direct)
759 (call_direct_split, call_value_split, call_value_internal_direct)
760 (call_value_direct_split, call_value_multiple_split): Use jal and
761 jal_macro attributes.
763 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
765 * reload1.c (reload_regs_reach_end_p): Replace with...
766 (reload_reg_rtx_reaches_end_p): ...this function.
767 (new_spill_reg_store): Update commentary.
768 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
769 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
770 before setting new_spill_reg_store.
771 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
772 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
773 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
774 for non-spill reload registers.
776 2012-02-05 Ira Rosen <irar@il.ibm.com>
778 PR tree-optimization/52091
779 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
780 (vect_is_simple_use_1): Likewise.
781 * tree-vect-loop.c (vectorizable_reduction): Update calls
782 to vect_is_simple_use_1 and vect_is_simple_use.
783 (vectorizable_live_operation): Likewise.
784 * tree-vect-patterns.c (widened_name_p,
785 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
786 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
787 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
788 vectorizable_shift,vectorizable_operation, vectorizable_store,
789 vectorizable_load): Likewise.
790 (vect_is_simple_cond): Add an argument, pass it to
791 vect_is_simple_use_1.
792 (vectorizable_condition): Update calls to vect_is_simple_cond,
794 (vect_is_simple_use): Add an argument, the statement in which
795 OPERAND is used. Check that if OPERAND's def stmt is a double
796 reduction phi node, the use is a phi node too.
797 (vect_is_simple_use_1): Add an argument, pass it to
799 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
800 to vect_is_simple_use.
802 2012-02-04 Jakub Jelinek <jakub@redhat.com>
804 PR rtl-optimization/52095
805 * modulo-sched.c (dump_insn_locator): New function.
806 (loop_canon_p, sms_schedule): Use it.
808 PR rtl-optimization/52113
809 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
810 even for decomposable shift/zext insns.
812 2012-02-03 Jakub Jelinek <jakub@redhat.com>
813 Zdenek Dvorak <ook@ucw.cz>
815 PR rtl-optimization/52092
816 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
817 on get_iv_value result.
819 2012-02-02 Andrew Pinski <apinski@cavium.com>
823 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
825 2012-02-02 Jakub Jelinek <jakub@redhat.com>
828 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
830 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
832 PR rtl-optimization/49800
833 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
834 (sched_finish): Call regstat_free_n_sets_and_refs.
836 2012-02-02 Jia Liu <proljc@gmail.com>
838 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
841 2012-02-02 Jan Hubicka <jh@suse.cz>
842 Tom de Vries <tom@codesourcery.com>
845 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
846 * varpool.c (varpool_analyze_pending_decls): Likewise.
848 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
849 Jayant R Sonar <jayant.sonar@kpitcummins.com>
851 * config.gcc: Add cr16-* support.
853 * doc/extend.texi: Document cr16 extensions.
854 * doc/install.texi: Document cr16 install.
855 * doc/invoke.texi: Document cr16 options.
856 * doc/md.texi: Document cr16 constraints.
858 * common/config/cr16/cr16-common.c: New file.
859 * config/cr16/cr16.c: New file.
860 * config/cr16/cr16.h: New file.
861 * config/cr16/cr16.md: New file.
862 * config/cr16/cr16.opt: New file.
863 * config/cr16/cr16-protos.h: New file.
864 * config/cr16/predicates.md: New file.
865 * config/cr16/constraints.md: New file.
866 * config/cr16/t-cr16: New file.
868 2012-02-02 Jakub Jelinek <jakub@redhat.com>
871 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
872 that operands[2] is either immediate, or q_regs_operand.
874 PR tree-optimization/52073
875 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
876 a pattern stmt for pattern uses, ignore uses outside of the loop.
878 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
880 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
881 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
882 (OUT_AS1, OUT_AS2): Remove.
884 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
886 PR rtl-optimization/51374
887 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
888 to cross other volatile_refs_p insns.
890 2012-02-01 Richard Guenther <rguenther@suse.de>
892 * doc/invoke.texi (fno-inline): Clarify documentation.
893 (finline-small-functions): Likewise.
894 (finline-functions): Likewise.
895 * common.opt (finline): Adjust comment and documentation.
896 (finline-small-functions): Clarify documentation.
897 (finline-functions): Likewise.
898 (finline-functions-called-once): Likewise.
900 2012-02-01 Tristan Gingold <gingold@adacore.com>
902 * c-typeck.c (composite_type): Keep mode for pointers.
904 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
906 * function.h (regno_reg_rtx): Adjust comment.
907 * reginfo.c (init_reg_modes_target): Only use the previous mode
908 if it fits within one register. Remove MIPS comment.
910 2012-01-31 Jakub Jelinek <jakub@redhat.com>
913 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
915 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
917 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
920 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
922 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
924 2012-01-31 Jakub Jelinek <jakub@redhat.com>
929 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
931 2012-01-31 Richard Guenther <rguenther@suse.de>
933 PR tree-optimization/51528
934 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
937 2012-01-31 Jakub Jelinek <jakub@redhat.com>
942 * ree.c (add_removable_extension): Change def_map argument
943 to unsigned *, store in def_map 1 + offset into *insn_list vector
944 instead of pointers into the vector.
945 (find_removable_extensions): Adjust caller.
947 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
949 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
950 Transform all "* quoted-c-code" to { c-code }.
951 Remove redundant test for "optimize" in combine patterns.
952 Move (include "avr-dimode.md") to end of file.
954 2012-01-30 Bin Cheng <bin.cheng@arm.com>
957 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
958 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
960 2012-01-30 Richard Guenther <rguenther@suse.de>
962 PR tree-optimization/52028
963 * tree-loop-distribution.c (ldist_gen): Properly update
966 2012-01-30 Jakub Jelinek <jakub@redhat.com>
969 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
970 set_cur_line_info_table if not emitting debug info.
972 PR tree-optimization/52046
973 * tree-vect-patterns.c (check_bool_pattern): Give up if
974 a comparison could throw.
977 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
979 2012-01-30 Richard Guenther <rguenther@suse.de>
981 PR tree-optimization/52045
982 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
983 SSA form if cfgcleanup did anything.
985 2012-01-30 Richard Guenther <rguenther@suse.de>
987 PR tree-optimization/52045
988 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
989 before computing final todo.
991 2012-01-30 Richard Guenther <rguenther@suse.de>
993 PR tree-optimization/51528
994 * tree-sra.c (sra_modify_assign): Re-factor in preparation
997 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
999 * df-problems.c (df_kill_notes): Check that the use refers
1000 to the note under examination.
1002 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
1005 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
1006 parameter and use short-lived pseudos.
1007 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
1008 (sparc_expand_vector_init): Const-ify local variables and adjust
1009 calls to above functions.
1011 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1013 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
1015 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
1017 * doc/invoke.texi: Make usage of "compile time" and
1018 "run time"/"runtime" consistent throughout the file.
1020 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
1022 * config/alpha/alpha.c (alpha_option_override): Default to
1023 full IEEE compliance mode for Go language.
1025 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
1027 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
1028 (LINK_SSP_SPEC): Define.
1030 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1033 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
1036 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
1038 * doc/invoke.texi: Correct hyphenation of "floating point",
1039 "double precision", and related terminology throughout the file.
1041 2012-01-28 Jakub Jelinek <jakub@redhat.com>
1044 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
1045 arm_general_register_operand predicate for operand 2 instead of
1048 2012-01-27 Ian Lance Taylor <iant@google.com>
1051 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
1052 * builtins.c (expand_builtin_init_trampoline): Add onstack
1053 parameter. Change caller.
1054 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
1055 * tree.c (build_common_builtin_nodes): Declare
1056 __builtin_init_heap_trampoline.
1058 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
1060 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
1061 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
1062 * config/avr/avr.c: Ditto.
1063 (avr_regnames): Remove because unused.
1064 * config/avr/avr.md (*cpse.ne): New peephole.
1065 (*cpse.eq): New peephole from former cpse peepholes.
1067 2012-01-27 Michael Eager <eager@eagercon.com>
1069 * config/microblaze.c (microblaze_emit_compare): Correct
1070 test after pcmp instruction.
1072 2012-01-27 Richard Guenther <rguenther@suse.de>
1074 PR tree-optimization/52020
1075 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
1077 2012-01-27 Richard Guenther <rguenther@suse.de>
1079 * ipa-pure-const.c (check_stmt): Clobbers do not make a
1080 function non-const/pure.
1082 2012-01-27 Richard Guenther <rguenther@suse.de>
1084 PR tree-optimization/50444
1085 * tree-sra.c (build_ref_for_offset): Properly adjust the
1086 MEM_REF type for unaligned accesses.
1088 2012-01-27 Richard Guenther <rguenther@suse.de>
1090 PR tree-optimization/50444
1091 * expr.c (mem_ref_refers_to_non_mem_p): New function.
1092 (expand_assignment): Use it. Properly handle misaligned
1093 bases when expanding stores to component references.
1094 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1097 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
1100 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1101 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1102 * tree-data-ref.c (find_data_references_in_loop): Make static.
1103 (compute_all_dependences): Change return type to bool. Bail out
1104 for too many datarefs in a loop. Move the hunk resetting the data
1105 dependences vector from ...
1106 (compute_data_dependences_for_loop): ... here. Account for
1107 compute_all_dependences returning false.
1108 (compute_data_dependences_for_bb): Likewise.
1109 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1110 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1112 2012-01-27 Richard Guenther <rguenther@suse.de>
1115 * expr.c (store_field): Use the alias-set of the scratch memory
1118 2012-01-27 Tom de Vries <tom@codesourcery.com>
1120 PR tree-optimization/51990
1121 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1123 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1125 2012-01-27 Jakub Jelinek <jakub@redhat.com>
1128 * var-tracking.c (reverse_op): Don't add any reverse operation
1129 if V already has any constant locations.
1131 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1133 * doc/invoke.texi: Correct usage of "command line" (noun)
1134 vs "command-line" (adjective) throughout.
1136 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1138 * doc/invoke.texi (Language Independent Options): Move
1139 -Wcoverage-mismatch blurb from here....
1140 (Warning Options): ...to here.
1142 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
1144 * config/rs6000/rs6000.c (rs6000_option_override_internal):
1145 Set rs6000_always_hint to false for 476.
1147 2012-01-27 Matthias Klose <doko@ubuntu.com>
1149 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1151 * incpath.c (add_standard_paths): Likewise.
1153 2012-01-27 Richard Henderson <rth@redhat.com>
1155 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1156 * config/m68k/sync.md (atomic_test_and_set): Rename from
1157 sync_test_and_setqi and adjust the operands.
1158 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1159 and unconditionally enable.
1161 2012-01-27 Richard Henderson <rth@redhat.com>
1163 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1164 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1165 (ldstub): Rename from ldstubqi.
1166 (ldstub<I24MODE>): Remove.
1168 2012-01-27 Richard Henderson <rth@redhat.com>
1170 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1171 * c-cppbuiltin.c (cpp_atomic_builtins): Define
1172 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1173 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1174 * doc/tm.texi: Rebuild.
1176 2012-01-27 Richard Henderson <rth@redhat.com>
1178 * optabs.c (gen_atomic_test_and_set): Remove default.
1179 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1181 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1183 PR rtl-optimization/51978
1184 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1185 (combine_reaching_defs): Likewise.
1186 (struct re_info): Remove.
1187 (add_removable_extension): Remove x and data arguments,
1188 add insn, insn_list and def_map. Use the arguments directly
1189 instead of using struct re_info.
1190 (find_removable_extensions): Don't call add_removable_extension
1191 through note_stores, instead just call it with single_set
1193 (find_and_remove_re): Pass curr_cand->expr instead of
1194 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1196 2012-01-26 Michael Matz <matz@suse.de>
1198 PR tree-optimization/46590
1199 * cfgexpand.c: Revert last change (r183305).
1200 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1202 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1203 checking for emptiness.
1205 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1208 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1209 non-addressable non-BLKmode base correctly.
1211 2012-01-26 Michael Matz <matz@suse.de>
1213 PR tree-optimization/48794
1214 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1215 regions referenced from RESX/EH_DISPATCH.
1217 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1219 * config/s390/s390.h: Make BRANCH_COST an option.
1220 * config/s390/s390.opt: New option -mbranch-cost.
1222 2012-01-26 Richard Henderson <rth@redhat.com>
1224 Revert 2012-01-24 change:
1225 * trans-mem.c (requires_barrier): Do not instrument thread local
1226 variables and emit save/restore for them.
1228 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1231 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1234 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
1236 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1239 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
1242 Rename __pgm to __flash.
1243 Rename __pgm1 to __flash1.
1244 Rename __pgm2 to __flash2.
1245 Rename __pgm3 to __flash3.
1246 Rename __pgm4 to __flash4.
1247 Rename __pgm5 to __flash5.
1248 Rename __pgmx to __memx.
1249 * doc/extend.texi (AVR Named Address Spaces)
1250 Rename address space names as indicated above.
1251 * config/avr/avr.c (avr_addrspace): Ditto.
1253 * config/avr/avr-protos.h
1254 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1255 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1256 * config/avr/predicates.md: Ditto.
1257 * config/avr/avr.c Ditto, and
1258 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1259 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1261 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1262 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1263 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1264 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1265 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1266 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1267 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1268 * config/avr/avr.c: Ditto.
1269 * config/avr/avr.md: Ditto.
1271 2012-01-25 Jason Merrill <jason@redhat.com>
1274 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1276 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1278 PR tree-optimization/51987
1279 * tree-data-ref.c (get_references_in_stmt): Handle references in
1280 non-volatile GIMPLE_ASM.
1282 2012-01-25 Richard Guenther <rguenther@suse.de>
1284 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1285 bases are dereferenced.
1287 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1289 PR rtl-optimization/48374
1290 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1292 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1294 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1295 compute_data_dependences_for_loop returns false.
1296 * tree-parloops.c (loop_parallel_p): Likewise.
1298 2012-01-25 Richard Guenther <rguenther@suse.de>
1300 * tree.h (get_pointer_alignment_1): Declare.
1301 * builtins.c (get_pointer_alignment_1): New function.
1302 (get_pointer_alignment): Use it.
1304 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1306 PR rtl-optimization/48308
1307 * combine.c (enum undo_kind): Add UNDO_LINKS.
1308 (struct undo): Add member l to other_contents and where.
1309 (do_SUBST_LINK): New.
1311 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1312 (undo_all): Handle UNDO_LINKS.
1314 2012-01-25 Richard Henderson <rth@redhat.com>
1316 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1319 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1321 * optabs.c (gen_atomic_test_and_set): Use each argument.
1323 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1325 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1326 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1327 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1328 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1329 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1330 TARGET_PAIRED_SINGLE_FLOAT.
1332 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1334 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1335 (in_struct, return_val): Remove MEM documentation.
1336 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1337 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1338 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1340 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1341 * cfgexpand.c (add_alias_set_conflicts): Likewise.
1342 * expr.c (store_field): Likewise.
1343 * function.c (assign_stack_temp_for_type): Likewise.
1344 * ifcvt.c (noce_try_cmove_arith): Likewise.
1345 * reload1.c (reload): Likewise.
1346 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1347 (alpha_set_memflags): Likewise.
1348 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1350 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1352 * rtl.h (true_dependence, canon_true_dependence): Remove varies
1354 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1355 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1356 (true_dependence_1, true_dependence, canon_true_dependence): Remove
1358 * cselib.c (cselib_rtx_varies_p): Delete.
1359 (cselib_invalidate_mem): Update call to canon_true_dependence.
1360 * dse.c (record_store, check_mem_read_rtx): Likewise.
1361 (scan_reads_nospill): Likewise.
1362 * cse.c (check_dependence): Likewise.
1363 (cse_rtx_varies_p): Delete.
1364 * expr.c (safe_from_p): Update call to true_dependence.
1365 * ira.c (validate_equiv_mem_from_store): Likewise.
1366 (memref_referenced_p): Likewise.
1367 * postreload-gcse.c (find_mem_conflicts): Likewise.
1368 * sched-deps.c (sched_analyze_2): Likewise.
1369 * store-motion.c (load_kills_store): Likewise.
1370 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1371 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1372 (compute_transp): Update call to canon_true_dependence.
1374 2012-01-25 Richard Henderson <rth@redhat.com>
1376 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1377 (maybe_emit_atomic_test_and_set): New.
1378 (expand_sync_lock_test_and_set): Use it.
1379 (expand_atomic_test_and_set): Likewise.
1380 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1381 the implementation; clarify implementation defined details.
1382 * doc/md.texi (atomic_test_and_set): Document.
1384 2012-01-25 Richard Henderson <rth@redhat.com>
1386 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1388 2012-01-25 Richard Henderson <rth@redhat.com>
1391 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1392 to effect no-op split.
1394 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1397 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1398 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1399 (BT_FN_VOID_PTR_INT_SIZE): New.
1400 (BT_FN_UINT_UINT_VAR): Remove.
1401 (BT_FN_UINT32_UINT32_VAR): New.
1402 (BT_FN_DOUBLE_VPTR): Remove.
1403 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1405 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1406 (_ITM_changeTransactionMode): Same.
1407 (_ITM_memmoveRtWt): Change return type to void.
1408 (_ITM_memcpyRtWt): Same.
1409 (_ITM_memsetW): Same.
1410 (_ITM_RaRD): Change types to double.
1415 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1417 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1418 Patrick Marlier <patrick.marlier@gmail.com>
1420 * trans-mem.c (requires_barrier): Do not instrument thread local
1421 variables and emit save/restore for them.
1423 2012-01-24 Jason Merrill <jason@redhat.com>
1426 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1427 output static aliases.
1429 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1432 * common.opt (-pie, -shared, pie, shared): Change from Common to
1434 * gcc.c (display_help): Display help for -pie and -shared.
1436 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1439 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1440 Remove note on size/offset limitation.
1441 (AVR Variable Attributes): Add example how to read data located
1442 with progmem. Refer to named address spaces.
1443 * doc/invoke.texi (AVR Options): Fix typo.
1445 2012-01-24 Richard Guenther <rguenther@suse.de>
1447 Forward-port to trunk
1448 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1451 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1452 op0 isn't sufficiently aligned and there is movmisalignM
1453 insn for mode, use it to load op0 into a temporary register.
1455 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1458 * target.def (const_not_ok_for_debug_p): New hook.
1459 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1461 * doc/tm.texi: Regenerated.
1462 * dwarf2out.c (const_ok_for_output_1): If
1463 targetm.const_not_ok_for_debug_p returns true, fail.
1464 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1466 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1468 2012-01-23 Kai Tietz <ktietz@redhat.com>
1471 * config/i386/predicates.md (symbolic_operand): Allow
1472 UNSPEC_PCREL as PIC expression for lea.
1473 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1474 * config/i386/i386.c (ix86_delegitimize_address): Handle
1475 UNSPEC_PCREL for none-MEM, too.
1477 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1479 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1480 (ipa_tm_create_version_alias): Same.
1482 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1485 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1486 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1488 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1489 Patrick Marlier <patrick.marlier@gmail.com>
1490 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1493 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1494 simple_object_start_read.
1496 2012-01-23 Richard Guenther <rguenther@suse.de>
1499 PR tree-optimization/51895
1500 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1501 parameter decomposition into BLKmode components.
1503 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1505 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1506 fake variables for restrict-qualified pointers whose pointed-to type
1507 contains a placeholder.
1509 2012-01-23 Richard Guenther <rguenther@suse.de>
1511 PR tree-optimization/51949
1512 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1514 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1516 PR rtl-optimization/51933
1517 * ree.c (transform_ifelse): Return true right away if dstreg is
1518 already wider or equal to cand->mode.
1519 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1520 (make_defs_and_copies_lists): Remove defs_list and copies_list
1521 arguments, add state argument, just truncate state->work_list
1522 instead of always allocating and freeing the vector. Assert that
1523 get_defs succeeds instead of returning 2. Changed return type to bool.
1524 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1525 have ext_src_mode, see if it has been modified already with the
1526 right kind of extension and has been extended before from the
1527 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1528 just return true. Remember the original mode in state->modified array.
1529 (combine_reaching_defs): Add state argument. Don't allocate and
1530 free here def_list, copied_list and vec vectors, instead just
1531 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1532 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1533 Add state variable, clear vectors in it, initialize state.modified
1534 if needed. Free all the vectors at the end and state.modified too.
1535 Don't skip a candidate if the extension expression has been modified.
1537 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1540 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1541 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1542 (extra_options) interix.opt -> i386/interix.opt"
1543 (extra_objs):Add winnt-stubs.o
1544 * configure.ac: Add interix to target_os .comm on PE check.
1545 * configure: Regenerate.
1546 * config/interix3.h: Delete and move bits to..
1547 * config/interix.h: Delete and move bits to..
1548 * config/i386/i386-interix3.h: Delete and move bits to..
1549 * config/i386/i386-interix.h: ..here.
1550 (TARGET_CPU_DEFAULT): Remove redefinition.
1551 (TARGET_ASM_CONSTRUCTOR): Undefine.
1552 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1553 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1554 (PTRDIFF_TYPE): Define.
1555 (LONG_DOUBLE_TYPE_SIZE): Define.
1556 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1557 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1558 (TARGET_SECTION_TYPE_FLAGS): Define.
1559 (ASM_DECLARE_FUNCTION_NAME): Define.
1560 (ASM_OUTPUT_EXTERNAL): Define.
1561 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1562 (ASM_OUTPUT_ALIGNED_BSS): Define.
1563 (PCC_BITFIELD_TYPE_MATTERS): Define.
1564 (USE_CONST_SECTION): Define.
1565 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1566 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1567 (SUPPORTS_ONE_ONLY): Remove.
1568 (I386_PE_STRIP_ENCODING): Define.
1569 * config/interix.opt: Delete and move bits to..
1570 * config/i386/interix.opt: ..here. New.
1571 (mpe-aligned-commons): Add.
1572 * config/i386/t-interix: Add copyright header.
1573 (winnt-stubs.o): Add rule.
1575 2012-01-22 Jason Merrill <jason@redhat.com>
1578 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1579 for extra name aliases.
1581 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1583 PR rtl-optimization/51924
1584 * ree.c (combine_set_extension): Improve debugging message.
1585 (combine_reaching_defs): Likewise.
1586 (get_defs): Rename confusingly named variable.
1587 (find_and_remove_re): Skip a candidate if the extension expression has
1590 2012-01-21 Robert Millan <rmh@gnu.org>
1591 Gerald Pfeifer <gerald@pfeifer.com>
1593 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1594 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1596 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1598 PR tree-optimization/51914
1599 * tree-vect-stmts.c (vectorizable_conversion): For
1600 cvt_type && modifier == WIDEN, put temporary with cvt_type
1601 at the beginning of vec_dsts and set vec_dest to temporary
1604 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1606 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1608 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1610 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1611 * config/rs6000/rs6000.c: Likewise.
1613 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1616 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1617 output_move_double on a copy of operands array.
1619 2012-01-20 Cary Coutant <ccoutant@google.com>
1620 Dodji Seketeli <dodji@redhat.com>
1623 * dwarf2out.c (copy_declaration_context): Return ref to parent
1624 of declaration DIE, if necessary.
1625 (remove_child_or_replace_with_skeleton): Add new parameter; update
1626 caller. Place skeleton DIE under parent DIE of original declaration.
1627 Move call to copy_declaration_context to here ...
1628 (break_out_comdat_types): ... from here.
1630 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1632 PR rtl-optimization/51856
1633 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1636 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1639 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1640 hints for neon loads and stores.
1642 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1646 * doc/extend.texi (Named Address Spaces): Split into subsections.
1647 (AVR Named Address Spaces): New subsection.
1648 (M32C Named Address Spaces): New subsection.
1649 (RL78 Named Address Spaces): New subsection.
1650 (SPU Named Address Spaces): New subsection.
1651 (Variable Attributes): New anchor "AVR Variable Attributes".
1652 (AVR Variable Attributes): Rewrite and avoid wording
1653 "address space" in this context.
1654 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1655 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1656 (AVR Built-in Macros): New subsubsection therein.
1657 * doc/md.texi (AVR constraints): Remove "C04", "R".
1659 2012-01-20 Richard Guenther <rguenther@suse.de>
1661 PR tree-optimization/51903
1662 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1663 when removing stmts.
1665 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1668 * config/arm/arm.c (arm_load_pic_register): Use
1669 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1670 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1671 (arm_pic_static_addr): Likewise.
1672 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1673 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1674 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1675 (pic_load_addr_unified): New.
1677 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1680 * function.c (instantiate_virtual_regs_in_insn): Use
1681 delete_insn_and_edges when removing a wrong asm insn.
1683 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1685 PR rtl-optimization/40761
1686 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1687 Add new member loop_num.
1688 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1689 (ira_build): Remove the parameter.
1691 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1692 (ira.c): Do not build CFG loops for one region allocation. Remove
1693 argument from ira_build call.
1695 * ira-build.c (init_loop_tree_node): New function.
1696 (create_loop_tree_nodes): Use it. Separate the case when CFG
1697 loops are not built.
1698 (more_one_region_p): Check current_loops.
1699 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1701 (add_loop_to_tree): Process loop equal to NULL too.
1702 (form_loop_tree): Separate the case when CFG loops are not built.
1703 Use explicitly number for the root.
1704 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1706 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1707 instead of loop->num.
1708 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1709 (mark_all_loops_for_removal): Ditto.
1710 (remove_unnecessary_regions): Separate the case when CFG loops
1712 (ira_build): Remove the parameter. Use explicit number of regions
1713 when CFG loops are not built.
1715 * ira-color.c (print_loop_title): Separate the case for the root node.
1716 Use loop_num instead of loop->num.
1717 (move_spill_restore): Use loop_num instead of loop->num.
1719 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1720 (change_loop): Ditto.
1721 (change_loop): Use loop_num instead of loop->num.
1723 * ira-lives.c (process_bb_node_lives): Ditto.
1725 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1727 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1729 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1732 * tree-mudflap.c (mf_artificial): New function.
1733 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1734 mx_register_decls, mudflap_enqueue_decl): Use it.
1737 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1738 numbers in the insn pattern.
1740 2012-01-19 Michael Matz <matz@suse.de>
1742 PR tree-optimization/46590
1743 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1744 use it in remembering which conflicts we already created.
1745 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1748 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1751 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1752 (merge_and_complain): Same.
1754 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1757 * config/initfini-array.h: Guard content of the header
1758 with #ifdef HAVE_INITFINI_ARRAY.
1759 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1760 Add initfini-array.h to tm_file here.
1761 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1762 * config.gcc: Don't add initfini-array.h to tm_file here.
1763 * configure: Regenerated.
1765 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1767 PR rtl-optimization/51505
1768 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1769 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1770 (df_note_bb_compute): Update the call to df_kill_notes.
1772 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1774 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1776 2012-01-18 Richard Guenther <rguenther@suse.de>
1778 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1779 of conversions to void *.
1781 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1782 Richard Sandiford <rdsandiford@googlemail.com>
1786 * optabs.h (simplify_expand_binop): Declare.
1787 * optabs.c (simplify_expand_binop): Make global.
1788 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1789 endian targets if the source cannot be exactly covered by word
1792 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1795 * hard-reg-set.h (struct hard_reg_set_container): New type.
1796 * target.h (struct hard_reg_set_container): Forward declare.
1797 * target.def (set_up_by_prologue): New target hook.
1798 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1799 * doc/tm.texi: Regenerated.
1800 * function.c (thread_prologue_and_epilogue_insns): Change
1801 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1802 Call targetm.set_up_by_prologue on it.
1803 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1804 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1806 2012-01-17 Nick Clifton <nickc@redhat.com>
1808 * config/rx/rx.c (rx_can_use_simple_return): New function.
1809 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1810 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1812 2012-01-17 Richard Guenther <rguenther@suse.de>
1815 * expr.c (expand_assignment): Take address-space information
1816 from the address operand of MEM_REF and TARGET_MEM_REF.
1817 (expand_expr_real_1): Likewise.
1819 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1821 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1822 reload dump is requested.
1824 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1827 * trans-mem.c (requires_barrier): Call may_be_aliased.
1829 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1831 PR tree-optimization/51877
1832 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1833 call arguments and fndecls compare equal, instead return false if they
1834 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1835 both SSA_NAMEs that are valueized the same, or they satisfy
1838 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1840 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1842 * configure: Regenerate.
1844 2012-01-16 Jan Hubicka <jh@suse.cz>
1848 * convert.c (convert_to_integer): Use fold_convert for
1849 converting an INTEGER_CST to integer type.
1851 2012-01-16 Jason Merrill <jason@redhat.com>
1854 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1856 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1859 * config/s390/s390.c (s390_chunkify_start): Don't skip
1860 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1861 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1862 If insn is followed by NOTE_INSN_VAR_LOCATION or
1863 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1864 Don't use location of note insns.
1866 PR tree-optimization/51865
1867 * tree-inline.c (tree_function_versioning): Call remap_decl
1868 on DECL_RESULT whenever it has VOID_TYPE_P type.
1870 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1872 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1873 for calls to locally-binding MIPS16 functions if only the return
1874 type uses float regs.
1876 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1877 Richard Sandiford <rdsandiford@googlemail.com>
1879 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1880 (SYMBOL_32_HIGH): Likewise.
1881 (mips_output_tls_reloc_directive): Declare.
1882 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1883 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1884 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1885 (mips_lo_relocs, mips_hi_relocs): Make extern.
1886 (mips16_stub_function): Move up file.
1887 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1888 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1889 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1890 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1891 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1892 (mips_get_tp): Add MIPS16 support.
1893 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1894 Generalize DTPREL and TPREL handling.
1895 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1896 Add MIPS16 TLS support.
1897 (mips_output_tls_reloc_directive): New function.
1898 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1899 * config/mips/predicates.md (symbolic_operand_with_high)
1900 (tls_reloc_operand): New predicates.
1901 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1902 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1903 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1904 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1905 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1906 (*tls_get_tp_mips16_call_<mode>): Likewise.
1908 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1910 PR rtl-optimization/51821
1911 * recog.c (peep2_find_free_register): Determine clobbered registers
1914 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1917 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1918 * config/avr/avr.c: Likewise.
1919 * config/avr/avr.h: Likewise.
1921 2012-01-13 Ian Lance Taylor <iant@google.com>
1924 * tree.h (TYPE_QUALS): Add cast to int.
1925 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1927 2012-01-13 Ian Lance Taylor <iant@google.com>
1929 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1930 comparing param_index to VEC_length result.
1932 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1934 * c-decl.c: Do not include tree-mudflap.h
1935 * tree-optimize.c: Likewise.
1936 * Makefile.in: Update dependencies.
1938 2012-01-13 Richard Guenther <rguenther@suse.de>
1941 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1942 variable-sized result always use RSO.
1944 2012-01-12 DJ Delorie <dj@redhat.com>
1946 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1947 pointer type, not just the default pointer type.
1949 2012-01-09 Richard Henderson <rth@redhat.com>
1950 Denis Chertykov <chertykov@gmail.com>
1953 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1954 * config/avr/avr.c (avr_can_eliminate): Simplify.
1955 (avr_initial_elimination_offset): Likewise.
1956 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1957 (expand_epilogue): Likewise.
1958 (avr_legitimize_address): Gut.
1959 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1960 (avr_hard_regno_nregs): New.
1961 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1962 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1963 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1964 add soft frame pointer.
1965 (CALL_USED_REGISTERS): Likewise.
1966 (REG_CLASS_CONTENTS): Likewise.
1967 (REGISTER_NAMES): Likewise.
1968 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1969 (HARD_FRAME_POINTER_REGNUM): New.
1970 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1971 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1972 remove the HARD_FRAME_POINTER self-elimination.
1974 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1977 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1978 DECL_EXTERNAL when checking for initializers of progmem variables.
1980 2012-01-12 Ira Rosen <irar@il.ibm.com>
1982 PR tree-optimization/51799
1983 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1984 that the last operation is a type demotion.
1986 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1988 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1989 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1991 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1994 * combine.c (distribute_notes): If i3 is a noreturn call,
1995 allow old_size to be equal to args_size and make sure the
1996 noreturn call gets REG_ARGS_SIZE note.
1997 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1998 on noreturn calls even when the delta is 0.
2000 2012-01-11 Nathan Sidwell <nathan@acm.org>
2002 * gcov.c (STRING_SIZE): Remove.
2003 (generate_results): Erase annotations for source files with no
2004 coverage information.
2006 (output_lines): Use it.
2008 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2010 * gimple.h (gimplify_body): Remove first argument.
2011 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
2012 pointer set here, instead just pass DATA to walk_tree.
2013 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
2014 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
2015 (unvisit_body): Likewise, but with unmark_visited.
2016 (gimplify_body): Remove BODY_P argument and adjust.
2017 (gimplify_function_tree): Adjust call to gimplify_body.
2018 * omp-low.c (finalize_task_copyfn): Likewise.
2020 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2022 * tree.h (build_function_decl_skip_args): Add boolean parameter.
2023 (build_function_type_skip_args): Delete.
2024 * tree.c (build_function_type_skip_args): Make static and add
2025 SKIP_RETURN parameter. Fix thinko in the handling of variants.
2026 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
2027 pass it to build_function_type_skip_args.
2028 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
2029 (tree_function_versioning): Likewise.
2030 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
2031 build_function_decl_skip_args.
2032 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
2033 and pass it to build_function_decl_skip_args/tree_function_versioning.
2034 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
2035 * ipa-inline-transform.c (save_inline_function_body): Likewise.
2036 * trans-mem.c (ipa_tm_create_version): Likewise.
2037 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
2038 * tree-inline.c (declare_return_variable): Remove always-true test.
2039 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
2040 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
2041 * ipa-split.c (split_function): Skip the return value for the split
2042 part if it doesn't return.
2044 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2046 PR tree-optimization/49642
2047 * ipa-split.c (forbidden_dominators): New variable.
2048 (check_forbidden_calls): New function.
2049 (dominated_by_forbidden): Likewise.
2050 (consider_split): Check for forbidden dominators.
2051 (execute_split_functions): Initialize and free forbidden
2052 dominators info; call check_forbidden_calls.
2054 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2056 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
2058 2012-01-11 Nick Clifton <nickc@redhat.com>
2060 * config/rx/rx.md (return): Define pattern.
2062 2012-01-11 Richard Guenther <rguenther@suse.de>
2064 * doc/extend.texi (malloc attribute): Adjust according to
2067 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
2068 Patrick Marlier <patrick.marlier@gmail.com>
2071 * trans-mem.c (get_cg_data): Traverse aliases if requested.
2072 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
2073 (ipa_tm_note_irrevocable): Same.
2074 (ipa_tm_scan_irr_block): Same.
2075 (ipa_tm_decrement_clone_counts): Same.
2076 (ipa_tm_scan_irr_function): Same.
2077 (ipa_tm_create_version_alias): Same.
2078 (ipa_tm_create_version): Same.
2079 (ipa_tm_transform_calls_redirect): Same.
2080 (ipa_tm_transform_calls): Same.
2081 (ipa_tm_transform_transaction): Same.
2082 (ipa_tm_execute): Same.
2084 2012-01-10 Richard Guenther <rguenther@suse.de>
2087 * opts.c (common_handle_option): Handle -Werror.
2089 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
2091 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2094 2012-01-10 Jason Merrill <jason@redhat.com>
2096 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2099 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2101 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2102 supports R_386_TLS_GD_PLT reloc.
2103 (gcc_cv_as_ix86_tlsldmplt): Check if linker
2104 supports R_386_TLS_LDM_PLT reloc.
2105 * configure: Regenerate.
2106 * config.in: Regenerate.
2108 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
2111 Extend __pgmx semantics to linearize memory.
2112 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2113 determine if code comes inline or from libgcc.
2114 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2115 (movmem_qi, movmem_qi): Set constraint #2 to "n".
2116 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2117 (movmemx_qi, movmemx_hi): New insns.
2118 (xload_<mode>_libgcc): Rewrite to new insn condition.
2119 (xload_<mode>): Remove insns.
2120 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2121 cases that don't satisfy avr_xload_libgcc_p().
2122 (avr_addr_space_convert): Allow converting in any direction.
2123 (avr_addr_space_subset_p): Return always true.
2124 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2125 (avr_emit_movmemhi): Ditto.
2126 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2127 (avr_out_movmem): Ditto.
2128 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2129 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2130 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2131 (avr_encode_section_info): Encode 'progmem' in symbol flags.
2132 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2134 2012-01-10 Richard Guenther <rguenther@suse.de>
2136 PR tree-optimization/50913
2137 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2138 Require data-refs to be representable by Graphite with respect
2141 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
2143 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2144 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2146 2012-01-10 Tom de Vries <tom@codesourcery.com>
2148 PR rtl-optimization/51271
2149 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2150 handling annulled branch.
2152 2012-01-10 Richard Henderson <rth@redhat.com>
2154 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2155 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2156 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2157 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2158 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2159 arm_expand_vec_perm_const): New.
2160 * config/arm/arm-protos.h: Update.
2161 * config/arm/neon.md (UNSPEC_VCONCAT): New.
2162 (*neon_vswp<VDQX>): New.
2163 (neon_vcombine<VDX>): Use neon_split_vcombine.
2164 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2165 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2166 (vec_perm<VE>): New.
2168 2012-01-10 Richard Henderson <rth@redhat.com>
2170 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2171 use it if reload_completed.
2172 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2173 arm_output_asm_insn, arm_process_output_memory_barrier,
2174 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2175 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2176 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2177 arm_process_output_sync_insn, arm_output_sync_insn,
2178 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2179 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2180 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2181 (emit_unlikely_jump): New.
2182 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2183 (arm_split_atomic_op): New.
2184 * config/arm/arm-protos.h: Update.
2185 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2186 (struct arm_sync_generator): Remove.
2187 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2188 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2189 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2190 (VUNSPEC_LL, VUNSPEC_SC): New.
2191 (sync_result, sync_memory, sync_required_value, sync_new_value,
2192 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2193 (attr length): Don't use arm_sync_loop_insns.
2194 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2195 (movsfcc, movdfcc): Likewise.
2196 * config/arm/constraints.md (Ua): New.
2197 * config/arm/prediates.md (mem_noofs_operand): New.
2198 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2199 (sync_clobber, sync_t2_reqd): Remove.
2200 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2201 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2202 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2203 (arm_sync_compare_and_swap<SIDI>): Remove.
2204 (arm_sync_compare_and_swap<NARROW>): Remove.
2205 (arm_sync_lock_test_and_set<SIDI>): Remove.
2206 (arm_sync_lock_test_and_set<NARROW>): Remove.
2207 (arm_sync_new_<syncop><SIDI>): Remove.
2208 (arm_sync_new_<syncop><NARROW>): Remove.
2209 (arm_sync_new_nand<SIDI>): Remove.
2210 (arm_sync_new_nand<NARROW>): Remove.
2211 (arm_sync_old_<syncop><SIDI>): Remove.
2212 (arm_sync_old_<syncop><NARROW>): Remove.
2213 (arm_sync_old_nand<SIDI>): Remove.
2214 (arm_sync_old_nand<NARROW>): Remove.
2215 (*memory_barrier): Merge arm_output_memory_barrier.
2216 (atomic_compare_and_swap<QHSD>): New.
2217 (atomic_compare_and_swap<NARROW>_1): New.
2218 (atomic_compare_and_swap<SIDI>_1): New.
2219 (atomic_exchange<QHSD>): New.
2220 (cas_cmp_operand, cas_cmp_str): New.
2221 (atomic_op_operand, atomic_op_str): New.
2222 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2223 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2224 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2225 (arm_load_exclusive<NARROW>): New.
2226 (arm_load_exclusivesi, arm_load_exclusivedi): New.
2227 (arm_store_exclusive<QHSD>): New.
2229 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2231 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2232 reload patterns if -mvsx-scalar-memory.
2234 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2235 generated, even -mno-vsx-scalar-double was used.
2236 (vsx_xscvdpsp_scalar): Likewise.
2237 (vsx_xscvspdp_scalar2): Likewise.
2239 2012-01-09 Tom de Vries <tom@codesourcery.com>
2240 Andrew Pinski <apinski@cavium.com>
2243 * reorg.c (fill_slots_from_thread): Don't speculate
2244 frame-related insns.
2246 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
2248 * sched-int.h (bb_note): Move to...
2249 * basic-block.h: ...here.
2250 * haifa-sched.c (bb_note): Move to...
2251 * cfgrtl.c: ...here.
2252 * function.c (next_block_for_reg): New function.
2253 (move_insn_for_shrink_wrap): Likewise.
2254 (prepare_shrink_wrap): Rewrite to use the above.
2256 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
2258 * gimple.c (is_gimple_non_addressable): Remove.
2259 * gimple.h: Remove is_gimple_non_addressable.
2260 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2261 is_gimple_non_addressable.
2262 * trans-mem.c (expand_assign_tm): Same.
2264 2012-01-09 Richard Guenther <rguenther@suse.de>
2266 PR tree-optimization/51775
2267 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2268 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2270 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2272 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2274 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2276 2012-01-09 Richard Guenther <rguenther@suse.de>
2278 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2280 2012-01-08 Jan Hubicka <jh@suse.cz>
2282 PR tree-optimize/51680
2283 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2284 on when known_vals needs to be computed; cleanup.
2286 2012-01-08 Jan Hubicka <jh@suse.cz>
2288 PR tree-optimize/51694
2289 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2291 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
2293 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2294 for -std=c++98 and -std=c++11 too.
2296 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
2298 * cfgloop.c (cancel_loop): Add free() of bbs array.
2300 2012-01-07 Jan Hubicka <jh@suse.cz>
2302 PR tree-optimization/51600
2303 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2304 that benefits small functions.
2306 2012-01-07 Jan Hubicka <jh@suse.cz>
2308 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2310 2012-01-07 Jan Hubicka <jh@suse.cz>
2312 PR tree-optimization/51680
2313 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2314 whose inlining reduce unit size.
2316 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2319 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2320 Add canonical node to containing_mem chain after the non-canonical
2321 one, even if there weren't any locs to propagate.
2322 (remove_useless_values): Keep only canonical values.
2323 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2324 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2325 canonicalize mem_chain elements that are not discarded.
2327 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2330 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2331 before emitting functions.
2333 PR gcov-profile/50127
2334 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2335 clear_aux_for_blocks.
2337 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
2340 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2342 2012-01-06 Arnaud Charlet <charlet@adacore.com>
2344 * c-decl.c (ext_block): Moved up.
2345 (collect_all_refs, for_each_global_decl): Take ext_block into account.
2347 2012-01-06 Han Shen <shenhan@google.com>
2349 Translate built-in include paths for sysroot.
2350 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2351 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2353 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2354 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2356 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2357 control whether sysroot should be prepended to gxx include dir.
2359 * configure: Regenerate.
2361 2012-01-06 Torvald Riegel <triegel@redhat.com>
2363 PR rtl-optimization/51771
2364 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2365 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2367 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2369 PR tree-optimization/51315
2370 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2371 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2373 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
2376 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2377 for shrp pattern. Correctly handle and fixup shift variable.
2378 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2380 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2383 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2384 note when !ACCUMULATE_OUTGOING_ARGS.
2386 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2388 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2390 (extract_range_from_unary_expr_1): Avoid useless computations.
2392 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2394 PR rtl-optimization/51767
2395 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2396 of jump_block and add an extra edge for degenerated asm gotos.
2399 * stmt.c (check_unique_operand_names): Don't ICE during error
2400 reporting if i is from labels chain.
2403 * profile.c (branch_prob): Split bbs that have exit edge
2404 and need a fake entry edge too.
2406 2012-01-05 Jan Hubicka <jh@suse.cz>
2409 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2412 2012-01-05 Richard Guenther <rguenther@suse.de>
2415 * tree-streamer-out.c (write_ts_optimization): New function.
2416 (streamer_write_tree_body): Call it.
2417 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2418 (streamer_read_tree_body): Call it.
2419 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2421 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2424 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2425 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2426 in_cleanup_point_expr before gimplify_stmt call and restore it
2428 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2429 in_cleanup_point_expr is false.
2431 2012-01-05 Richard Guenther <rguenther@suse.de>
2434 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2436 * toplev.c (process_options): Reject combining mudflap and LTO.
2437 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2439 2012-01-05 Richard Guenther <rguenther@suse.de>
2441 PR tree-optimization/51760
2442 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2444 (bit_value_unop): Handle UNDEFINED operands.
2445 (bit_value_binop): Likewise.
2447 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2449 * config/avr/avr.c (avr_replace_prefix): Remove.
2450 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2451 (avr_asm_function_rodata_section): Ditto.
2452 (avr_asm_select_section): Ditto.
2454 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2456 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2459 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2462 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2463 calls that have any non-fake successor edges.
2466 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2468 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2470 PR tree-optimization/51624
2471 * tree-sra.c (build_ref_for_model): When replicating a chain of
2472 COMPONENT_REFs, stop as soon as the offset would become negative.
2474 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2477 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2478 in .debug_loc on the floor.
2480 2012-01-04 Andrew Pinski <apinski@cavium.com>
2482 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2484 2012-01-04 Andrew Pinski <apinski@cavium.com>
2485 Adam Nemet <anemet@caviumnetworks.com>
2487 * config/mips/mips.md (size): Add SI and DI.
2488 (SIZE): New mode attribute.
2489 (U): New code attribute.
2490 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2491 (mips_lbux_<mode>): Delete.
2492 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2493 (mips_lhx): Use gen_mips_lhx_extsi.
2494 (mips_lhx_<mode>): Delete.
2496 (mips_l<size>x): New expand.
2497 (mips_lwx_<mode>): Delete.
2498 (mips_l<GPR:size>x_<P:mode>): New pattern.
2499 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2500 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2501 * config/mips/mips.c (mips_lx_address_p): New function.
2502 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2503 (dsp64): New availability predicate.
2504 (mips_builtins): Add an entry for __builtin_mips_ldx.
2505 * config/mips/mips.h (ISA_HAS_LBX): New define.
2506 (ISA_HAS_LBUX): Likewise.
2507 (ISA_HAS_LHX): Likewise.
2508 (ISA_HAS_LHUX): Likewise.
2509 (ISA_HAS_LWX): Likewise.
2510 (ISA_HAS_LWUX): Likewise.
2511 (ISA_HAS_LDX): Likewise.
2512 * doc/extend.texi (__builtin_mips_ldx): Document.
2514 2012-01-04 Tristan Gingold <gingold@adacore.com>
2516 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2517 when long pointers are used.
2518 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2519 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2520 (ia64-hp-*vms*): Remove.
2521 * config/vms/xm-vms64.h: Delete.
2523 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2526 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2528 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2530 * opts.c (finish_options): Remove duplicate sorry.
2532 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2535 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2538 2012-01-04 Richard Guenther <rguenther@suse.de>
2541 * tree.c (size_low_cst): New function.
2542 * tree.h (size_low_cst): Declare.
2543 * fold-const.c (fold_comparison): Use it to extract the low
2544 part of the POINTER_PLUS_EXPR offset.
2546 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2548 Fix clearing ZERO_REG
2549 * config/avr/avr.md (cc): Add alternative "ldi".
2550 (movqi_insn): Use it in cc attribute.
2551 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2552 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2553 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2555 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2557 * configure: Regenerate.
2559 2012-01-04 Richard Guenther <rguenther@suse.de>
2561 PR tree-optimization/49651
2562 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2563 (var_can_have_subvars): Use it.
2564 (get_constraint_for_1): Only consider subfields if there can be any.
2566 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2569 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2570 to its new canonical_cselib_val and the cselib_val was in
2571 first_containing_mem chain, but the canonical_cselib_val was not,
2572 add the latter into the chain.
2573 (cselib_invalidate_mem): Compare canonical_cselib_val of
2574 addr_list chain elt with v.
2577 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2578 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2580 (output_macinfo_op): Don't ggc_strdup fd->filename.
2581 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2582 then ggc_strdup it. Don't free inc->info or cur->info.
2583 (output_macinfo): Don't free ref->info or file->info.
2585 2012-01-03 Ira Rosen <irar@il.ibm.com>
2587 PR tree-optimization/51269
2588 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2589 first_niters a pointer.
2590 (slpeel_tree_peel_loop_to_edge): Likewise.
2591 (vect_do_peeling_for_loop_bound): Update call to
2592 slpeel_tree_peel_loop_to_edge.
2593 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2594 here. Remove it from the parameters list.
2595 (vect_do_peeling_for_alignment): Update calls and compute
2598 2012-01-03 Richard Guenther <rguenther@suse.de>
2600 PR tree-optimization/51070
2601 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2602 Properly handle calls.
2604 2012-01-03 Richard Guenther <rguenther@suse.de>
2606 PR tree-optimization/51692
2607 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2608 the LHS of allocation stmts.
2610 2012-01-03 Olivier Hainque <hainque@adacore.com>
2612 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2614 2012-01-03 Olivier Hainque <hainque@adacore.com>
2616 * collect2.c (main): In AIX specific computations for vector
2617 insertions, use CONST_CAST2 to cast from char ** to const char **.
2619 2012-01-03 Richard Guenther <rguenther@suse.de>
2622 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2623 the context of a limbo DIE when it does not already exist.
2625 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2627 PR tree-optimization/51719
2628 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2629 but direct call is, clear direct call's lhs and don't add fallthrough
2630 edge from dcall_bb to join_bb and PHIs.
2632 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2634 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2635 the instructions emitted by the pattern.
2636 ("*TDC_insn_<mode>"): Add comment.
2638 2012-01-03 Richard Guenther <rguenther@suse.de>
2641 * fold-const.c (fold_comparison): Properly canonicalize
2642 tree offset and HOST_WIDE_INT bit position.
2644 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2646 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2647 operands for extzv pattern.
2649 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2652 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2655 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2657 * doc/invoke.texi (-flto and related options): Copy-edit.
2659 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2661 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2663 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2665 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2668 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2670 * expr.h (move_by_pieces_ninsns): Declare.
2671 * expr.c (move_by_pieces_ninsns): Make external.
2672 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2673 (mips_store_by_pieces_p): Likewise.
2674 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2675 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2676 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2677 (mips_store_by_pieces_p): Likewise.
2679 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2681 * passes.c (register_one_dump_file): Free full_name.
2683 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2684 (calculate_elim_costs_all_insns): Free offsets_at and
2685 offsets_known_at at the end and clear the pointers.
2687 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2689 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2690 this option introduced in r180739.
2692 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2695 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2696 (tmake_file target=avr): Add avr/t-multilib.
2698 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2699 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2700 * config/avr/genmultilib.awk: New file.
2701 * config/avr/t-multilib: New auto-generated file.
2702 * config/avr/multilib.h: New auto-generated file.
2703 * config/avr/t-avr (AVR_MCUS): New variable.
2704 (genopt.sh): Use it.
2705 (s-mlib): Depend on t-multilib.
2706 (t-multilib, multilib.h): New dependencies.
2707 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2708 (MULTILIB_OPTIONS): Remove.
2709 (MULTILIB_MATCHES): Remove.
2710 (MULTILIB_DIRNAMES): Remove.
2711 (MULTILIB_EXCEPTIONS): Remove:
2712 * config/avr/genopt.sh: Don't use hard coded file name;
2713 pass AVR_MCUS from t-avr instead.
2715 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2717 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2719 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2721 Implement light-weight DImode support.
2722 * config/avr/avr-dimode.md: New file.
2723 * config/avr/avr.md: Include it.
2724 (adjust_len): Add plus64, compare64.
2725 (HIDI): Remove code iterator.
2726 (code_stdname): New code attribute.
2727 (rotx, rotsmode): Remove DI.
2728 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2730 * config/avr/avr-protos.h (avr_have_dimode): New.
2731 (avr_out_plus64, avr_out_compare64): New.
2732 * config/avr/avr.c (avr_out_compare): Handle DImode.
2733 (avr_have_dimode): New variable definition and initialization.
2734 (avr_out_compare64, avr_out_plus64): New functions.
2735 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2736 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2737 (avr_compare_pattern): Skip DImode comparisons.
2739 2012-01-02 Revital Eres <revital.eres@linaro.org>
2741 * ddg.c (def_has_ccmode_p): New function.
2742 (add_cross_iteration_register_deps,
2743 create_ddg_dep_from_intra_loop_link): Call it.
2745 2012-01-02 Richard Guenther <rguenther@suse.de>
2748 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2750 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2752 * gcc.c (process_command): Update copyright notice dates.
2753 * gcov.c (print_version): Likewise.
2754 * gcov-dump.c (print_version): Likewise.
2755 * mips-tfile.c (main): Likewise.
2756 * mips-tdump.c (main): Likewise.
2758 2012-01-01 Ira Rosen <irar@il.ibm.com>
2760 PR tree-optimization/51704
2761 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2762 a use is inside the basic block or loop before accessing its vect info.
2764 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2766 PR rtl-optimization/51069
2767 * cfgloopmanip.c (remove_path): Removing path making irreducible
2768 region unconditional makes BB part of the region.
2770 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2772 PR tree-optimization/51683
2773 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2774 calls with side-effects.
2775 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2777 Copyright (C) 2012 Free Software Foundation, Inc.
2779 Copying and distribution of this file, with or without modification,
2780 are permitted in any medium without royalty provided the copyright
2781 notice and this notice are preserved.