1 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
4 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
6 2012-02-21 Richard Guenther <rguenther@suse.de>
8 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
11 2012-02-21 Jakub Jelinek <jakub@redhat.com>
13 PR tree-optimization/52318
14 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
15 vdef also to non-pure/const call stmts in the sequence.
17 2012-02-20 David S. Miller <davem@davemloft.net>
19 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
20 don't use the "rd %pc" instruction on v9 for PIC register loads.
22 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
25 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
26 in a transaction safe function.
28 2012-02-20 Kai Tietz <ktietz@redhat.com>
31 * stor-layout.c (place_field): Handle desired_align for
34 2012-02-20 Richard Guenther <rguenther@suse.de>
36 PR tree-optimization/52298
37 * tree-vect-stmts.c (vectorizable_store): Properly use
38 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
40 (vectorizable_load): Likewise.
41 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
42 Access DR_STEP after ensuring it is not NULL.
44 2012-02-20 Jakub Jelinek <jakub@redhat.com>
46 PR tree-optimization/52286
47 * fold-const.c (fold_binary_loc): For (X & C1) | C2
48 optimization use double_int_to_tree instead of build_int_cst_wide,
49 rewrite to use double_int vars.
51 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
54 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
56 Remove -e 0 from $gcc_cv_ld invocation.
57 Only use __GLIBC_PREREQ if defined.
58 Enable on Solaris since Solaris 8 patch.
59 (gcc_SUN_LD_VERSION): New macro.
60 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
61 gcc_SUN_LD_VERSION for version number format.
62 * configure: Regenerate.
63 * varasm.c (get_elf_initfini_array_priority_section): Set
64 SECTION_NOTYPE for non-default priority.
65 Use get_section instead of get_unnamed_section to emit
66 .init_array/.fini_array with default priority.
68 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
70 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
71 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
72 (mips_start_unique_function, mips_output_mips16_rdhwr)
73 (mips_code_end): New functions.
74 (TARGET_ASM_CODE_END): Define.
76 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
78 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
79 to stubs with non-sibling calls.
81 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
83 * doc/invoke.texi (-fira-* options): Copy-edit.
84 (ira-* parameters): Copy-edit.
86 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
88 * doc/invoke.texi: Minor copy-edits to bring into conformance with
89 GCC coding conventions.
91 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
93 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
94 when used as adjectives.
96 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
98 * doc/invoke.texi: Clean up "that"/"which" confusion.
100 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
102 * system.h: Poison SMALL_REGISTER_CLASSES
103 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
104 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
106 2012-02-16 Jakub Jelinek <jakub@redhat.com>
108 PR tree-optimization/52285
109 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
110 when deciding if a call is a tail call or tail recursion.
112 2012-02-16 Kai Tietz <ktietz@redhat.com>
114 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
115 interger-constant displacement for UNSPEC_PCREL.
117 2012-02-16 Jakub Jelinek <jakub@redhat.com>
119 PR rtl-optimization/52208
120 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
121 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
123 PR tree-optimization/52255
124 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
125 loop->header has virtual PHI, but exit_e->dest doesn't, add
126 virtual PHI to exit_e->dest and adjust all uses after the loop.
129 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
130 children with clone_tree_hash, not after it.
132 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
134 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
135 extended identifiers.
137 2012-02-16 Jakub Jelinek <jakub@redhat.com>
140 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
141 a same_body_alias, also test whether e->callee isn't a former
142 or current clone of the decl this is a same body alias of.
145 * cgraphunit.c (verify_cgraph_node): Fix a typo.
147 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
149 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
151 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
154 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
155 force_reg instead of copy_to_reg for better optimization. Force
156 non-register or memory operands into a register.
158 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
160 * extend.texi: Reserve upper bits of memory model for future use.
162 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
163 Anatoly Sokolov <aesok@post.ru>
164 Eric Weddington <eric.weddington@atmel.com>
167 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
168 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
169 Rewrite initializers for .macro.
170 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
171 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
172 atxmega32d4, atxmega32x1.
173 avrxmega4: atxmega64a3, atxmega64d3.
174 avrxmega5: atxmega64a1, atxmega64a1u.
175 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
176 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
177 avrxmega7: atxmega128a1, atxmega128a1u.
178 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
179 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
180 (struct base_arch_s): Rename reserved to xmega_p.
181 Rename reserved2 to have_rampd.
182 (AVR_XMEGA): New define.
183 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
184 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
185 * config/avr/predicates.md (io_address_operand): Take into
187 (low_io_address_operand): Ditto.
188 (high_io_address_operand): Ditto.
189 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
190 (enabled, movhi_sp_r): Use them.
191 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
192 cpp_define_formatted to built-in define __AVR_ARCH__.
193 (__AVR_XMEGA__): New built-in define.
194 (__AVR_HAVE_RAMPD__): New built-in define.
195 (__AVR_HAVE_RAMPX__): New built-in define.
196 (__AVR_HAVE_RAMPY__): New built-in define.
197 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
199 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
200 (avr_option_override): Initialize them.
201 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
202 (avr_init_expanders): Initialize them. No more block several calls.
203 (emit_push_sfr): New static function.
204 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
206 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
207 (avr_print_operand): Print addreeses as symbols for
208 RAMPX, RAMPY, RAMPD, CCP.
209 (output_movhi): Handle AVR_XMEGA when writing to SP.
210 (avr_out_movhi_mr_r_xmega): New static function.
211 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
212 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
213 __RAMPD__, __CCP__ as needed.
215 * config/avr/multilib.h: Regenerate.
216 * config/avr/t-multilib: Regenerate.
217 * config/avr/avr-tables.opt: Regenerate.
219 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
221 PR tree-optimization/50561
222 * graphite-flattening.c (lst_project_loop): Do not
223 remove old scattering dimensions after flattening.
224 (lst_do_flatten): Likewise.
226 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
228 * doc/extend.texi (AVR Built-in Functions): Remove doc for
229 __builtin_avr_map8, __builtin_avr_map16.
230 Document __builtin_avr_insert_bits.
232 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
233 (insert_bits): New insn.
234 (adjust_len.map_bits): Rename to insert_bits.
235 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
236 * avr-protos.h (avr_out_map_bits): Remove.
237 (avr_out_insert_bits, avr_has_nibble_0xf): New.
238 * config/avr/constraints.md (Cxf,C0f): New.
239 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
240 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
241 New built-in define __BUILTIN_AVR_INSERT_BITS.
242 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
243 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
244 (avr_move_bits): Rewrite.
245 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
247 (avr_map_op_t): New typedef.
248 (avr_map_op): New static variable.
249 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
250 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
251 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
252 (bdesc_3arg, avr_expand_triop_builtin): New.
253 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
254 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
255 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
256 (avr_map_equal_p, avr_map_sig_p): Remove.
257 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
258 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
259 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
260 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
261 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
262 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
264 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
266 * config/c6x/c6x.md (reserve_cycles): New attribute.
267 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
268 don't reserve functional units after the branch occurs.
270 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
273 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
274 functions into non-tm_pure functions.
276 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
279 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
280 (iterative_hash_canonical_type): Likewise.
281 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
284 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
286 * haifa-sched.c (prune_ready_list): Ensure that if there is a
287 sched-group insn, it either remains alone or the entire list is
290 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
292 * doc/install.texi (Prerequisites): Fix grammar.
293 (Configuration): Likewise.
295 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
297 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
298 MPC as part of GCC before describing configuring with --with-gmp etc.
299 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
302 2012-02-14 Jakub Jelinek <jakub@redhat.com>
305 * dwarf2out.c (clone_tree_hash): New function.
306 (copy_decls_walk): Use it instead of clone_tree.
308 2012-02-14 Richard Guenther <rguenther@suse.de>
310 PR tree-optimization/52244
311 PR tree-optimization/51528
312 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
313 replacements for integral types.
315 2012-02-14 Walter Lee <walt@tilera.com>
317 * config.gcc: Handle tilegx and tilepro.
318 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
320 Add HAVE_AS_TLS check for tilegx and tilepro.
321 * configure: Regenerate.
322 * doc/contrib.texi: Add Mat Hostetter and self.
323 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
324 Document instruction intrinsics and network accessing intrinsics.
325 (TILEPro Built-in Functions): New node. Document instruction
326 intrinsics and network accessing intrinsics.
327 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
328 (Specific, tilepro-*-linux*): Likewise.
329 * doc/invoke.texi (TILE-Gx Options): New section.
330 (TILEPro Options): New section.
331 * doc/md.texi (TILE-Gx): New section.
332 (TILEPro): New section.
333 * common/config/tilegx/tilegx-common.c: New file.
334 * common/config/tilepro/tilepro-common.c: New file.
335 * config/tilegx/constraints.md: New file.
336 * config/tilegx/linux.h: New file.
337 * config/tilegx/mul-tables.c: New file.
338 * config/tilegx/predicates.md: New file.
339 * config/tilegx/sync.md: New file.
340 * config/tilegx/t-tilegx: New file.
341 * config/tilegx/tilegx-builtins.h: New file.
342 * config/tilegx/tilegx-c.c: New file.
343 * config/tilegx/tilegx-generic.md: New file.
344 * config/tilegx/tilegx-modes.def: New file.
345 * config/tilegx/tilegx-multiply.h: New file.
346 * config/tilegx/tilegx-protos.h: New file.
347 * config/tilegx/tilegx.c: New file.
348 * config/tilegx/tilegx.h: New file.
349 * config/tilegx/tilegx.md: New file.
350 * config/tilegx/tilegx.opt: New file.
351 * config/tilepro/constraints.md: New file.
352 * config/tilepro/gen-mul-tables.cc: New file.
353 * config/tilepro/linux.h: New file.
354 * config/tilepro/mul-tables.c: New file.
355 * config/tilepro/predicates.md: New file.
356 * config/tilepro/t-tilepro: New file.
357 * config/tilepro/tilepro-builtins.h: New file.
358 * config/tilepro/tilepro-c.c: New file.
359 * config/tilepro/tilepro-generic.md: New file.
360 * config/tilepro/tilepro-modes.def: New file.
361 * config/tilepro/tilepro-multiply.h: New file.
362 * config/tilepro/tilepro-protos.h: New file.
363 * config/tilepro/tilepro.c: New file.
364 * config/tilepro/tilepro.h: New file.
365 * config/tilepro/tilepro.md: New file.
366 * config/tilepro/tilepro.opt: New file.
368 2012-02-14 Jakub Jelinek <jakub@redhat.com>
370 PR tree-optimization/52210
371 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
372 vect_model_simple_cost with two entry vect_def_type array instead
375 2012-02-14 Richard Guenther <rguenther@suse.de>
378 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
379 Do not stream DECL_QUALIFIER.
380 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
381 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
382 (find_decls_types_r): Do not walk DECL_QUALIFIER.
384 2012-02-14 Jakub Jelinek <jakub@redhat.com>
387 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
390 2012-02-13 Jakub Jelinek <jakub@redhat.com>
393 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
394 * cselib.c (cselib_subst_to_values_from_insn): New function.
395 * sched-deps.c (add_insn_mem_dependence,
396 sched_analyze_1, sched_analyze_2): Use it.
398 2012-02-13 Jan Hubicka <jh@suse.cz>
401 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
403 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
405 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
406 (GTM_SELF_SPECS): Define if not already defined.
407 (driver_self_specs): Add GTM_SELF_SPECS.
408 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
409 (GTM_SELF_SPECS): Define.
410 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
411 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
413 2012-02-13 Jakub Jelinek <jakub@redhat.com>
415 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
418 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is
422 * omp-low.c (expand_omp_for): If a static schedule without
423 chunk size has NULL region->cont, force fd.chunk_size to be
426 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
429 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
431 2012-02-13 Richard Guenther <rguenther@suse.de>
434 * passes.c (enable_disable_pass): Fix typo.
436 2012-02-13 Jakub Jelinek <jakub@redhat.com>
439 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
440 XOR for reduce_bit_field if type is unsigned.
442 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
444 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
445 disallow changes from SFmode to mode with different size in FP regs.
447 2012-02-12 Robert Millan <rmh@gnu.org>
448 Gerald Pfeifer <gerald@pfeifer.com>
450 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
453 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
455 PR rtl-optimization/52175
456 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
457 to frame-related instructions.
459 2012-02-10 Jason Merrill <jason@redhat.com>
462 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
463 (demangle_new_symbols): Fill it.
464 (scan_linker_output): Walk it.
465 (start_tweaking): Split out from scan_linker_output.
466 (maybe_tweak): Update sym->chosen.
467 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
469 2012-02-11 Jakub Jelinek <jakub@redhat.com>
472 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
475 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
477 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
478 having the same mode as previous compare.
480 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
482 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
483 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
484 (nonlocal_goto_internal): Likewise.
485 (nonlocal_goto): Emit a use and an indirect jump directly.
487 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
490 * doc/extend.texi : Update comments for __atomic_compare_exchange and
491 __atomic_{is,always}_lock_free.
493 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
496 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
497 negative constant address for x32.
499 2012-02-10 Richard Henderson <rth@redhat.com>
501 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
502 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
503 for GIMPLE_TRANSACTION. Tidy if's into a switch.
505 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
506 Ira Rosen <irar@il.ibm.com>
508 PR tree-optimization/50031
509 * targhooks.c (default_builtin_vectorization_cost): Handle
511 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
512 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
513 all types of reduction and pattern statements.
514 (vect_estimate_min_profitable_iters): Likewise.
515 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
516 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
517 for explicit realigns.
518 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
519 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
521 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
522 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
523 vec_perm for VSX and handle vec_promote_demote.
525 2012-02-10 Jakub Jelinek <jakub@redhat.com>
528 * builtins.c (fold_builtin_atomic_always_lock_free,
529 expand_builtin_atomic_always_lock_free,
530 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
531 Return and/or test boolean_true_node/boolean_false_node instead of
532 integer_one_node/integer_zero_node.
534 2012-02-10 Jan Hubicka <jh@suse.cz>
537 * predict.c (predict_paths_for_bb): Prevent looping.
538 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
540 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
542 * config/arm/arm.c (output_move_double): In one case properly
543 count number of instructions that will be emitted.
545 2012-02-10 Richard Guenther <rguenther@suse.de>
548 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
550 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
553 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
555 2012-02-09 Jakub Jelinek <jakub@redhat.com>
558 * var-tracking.c (emit_note_insn_var_location): If
559 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
560 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
561 non-NOTE_DURING_CALL_P insn.
563 2012-02-09 Bin Cheng <bin.cheng@arm.com>
566 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
568 2012-02-08 Magnus Granberg <zorry@gentoo.org>
571 * gcc.c (switch_matches) Support switches with separated form,
574 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
576 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
579 * config/avr/avr.c (avr_addr_t): New typedef.
580 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
581 (avr_init_expanders): Initialize it.
582 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
584 (expand_epilogue): Ditto.
585 (avr_print_operand): Ditto.
586 (avr_file_start): Ditto.
587 (avr_emit_movmemhi): Ditto.
589 2012-02-08 Richard Guenther <rguenther@suse.de>
591 PR tree-optimization/46886
592 * tree-flow.h (do_while_loop_p): Declare.
593 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
594 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
596 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
598 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
599 always succeed for integers larger than a native word.
601 2012-02-08 Richard Guenther <rguenther@suse.de>
603 PR rtl-optimization/52170
604 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
605 properly handle integer vector modes.
607 2012-02-08 Jakub Jelinek <jakub@redhat.com>
609 PR gcov-profile/52150
610 * coverage.c: Include target.h.
611 (build_var): Call targetm.strip_name_encoding on the assembler name.
612 Change one _ into . or $ if the target allows it.
613 * Makefile.in (coverage.o): Depend on $(TARGET_H).
615 PR rtl-optimization/52139
616 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
617 is a BARRIER after emit_insn_after_noloc, move BB_END
618 to the last non-BARRIER insn before it.
620 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
623 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
624 (mips_gimplify_va_arg_expr): Call it instead of
625 std_gimplify_va_arg_expr.
627 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
629 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
630 message for -mno-pointers-to-nested-function.
632 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
635 * expr.c (get_inner_reference): If there is an offset, add a negative
636 bit position to it (if any).
638 2012-02-07 Jakub Jelinek <jakub@redhat.com>
640 PR rtl-optimization/52060
641 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
642 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
643 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
644 and/or i0src_copy2 when needed.
646 2012-02-07 Jakub Jelinek <jakub@redhat.com>
648 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
649 or LTOPLUGINSONAME if have_c.
651 * config/freebsd-spec.h: Add comment about what macros can be defined
653 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
654 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
657 2012-02-07 Richard Guenther <rguenther@suse.de>
659 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
660 newline in -alias dumps.
662 2012-02-07 Kai Tietz <ktietz@redhat.com>
663 Dave Korn <dave.korn.cygwin@gmail.com>
666 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
667 Take care that typinfo gets dllexport-attribute.
669 2012-02-07 Jakub Jelinek <jakub@redhat.com>
672 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
673 if modifier < EXPAND_SUM call force_operand on the result.
675 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
677 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
678 adding __forwarder_dst__ prefix if a forwarder_section attribute is
680 (epiphany_function_type): Replace types for specific interrupts with
681 EPIPHANY_FUNCTION_INTERRUPT.
682 (EPIPHANY_INTERRUPT_P): Update.
683 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
685 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
686 <disinterrupt>: Affects type identity.
687 (epiphany_handle_interrupt_attribute): Handle variable number of
689 (epiphany_compute_function_type): Update for new
690 epiphany_function_type definition.
691 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
692 handlers with a longcall forwarder.
693 (epiphany_start_function): Handle multiple interrupt arguments and/or
694 forwarder_section attribute.
696 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
699 2012-02-07 Alan Modra <amodra@gmail.com>
702 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
705 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
707 PR tree-optimization/50969
708 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
709 use vec_perm rather than vector_stmt.
710 (vect_model_load_cost): Likewise.
711 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
712 vec_perm to be the same as other vector statements.
713 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
714 cost of vec_perm for TARGET_VSX.
716 2012-02-06 Richard Guenther <rguenther@suse.de>
718 PR tree-optimization/52115
719 * tree-sra.c (access_has_replacements_p): New function.
720 (sra_modify_assign): Use it to decide whether a use is uninitialized.
722 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
725 * trans-mem.c (expand_call_tm): Add an assertion.
726 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
729 2012-02-06 Richard Guenther <rguenther@suse.de>
731 PR tree-optimization/50955
732 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
733 raise cost of expressions that replace an address with an
734 expression based on a different pointer.
736 2012-02-06 Jakub Jelinek <jakub@redhat.com>
739 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
740 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
742 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
745 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
746 -Weffc++ and specify guidelines come from second edition.
748 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
750 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
751 (sibcall_value_multiple_internal, call_split, call_internal_direct)
752 (call_direct_split, call_value_split, call_value_internal_direct)
753 (call_value_direct_split, call_value_multiple_split): Use jal and
754 jal_macro attributes.
756 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
758 * reload1.c (reload_regs_reach_end_p): Replace with...
759 (reload_reg_rtx_reaches_end_p): ...this function.
760 (new_spill_reg_store): Update commentary.
761 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
762 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
763 before setting new_spill_reg_store.
764 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
765 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
766 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
767 for non-spill reload registers.
769 2012-02-05 Ira Rosen <irar@il.ibm.com>
771 PR tree-optimization/52091
772 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
773 (vect_is_simple_use_1): Likewise.
774 * tree-vect-loop.c (vectorizable_reduction): Update calls
775 to vect_is_simple_use_1 and vect_is_simple_use.
776 (vectorizable_live_operation): Likewise.
777 * tree-vect-patterns.c (widened_name_p,
778 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
779 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
780 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
781 vectorizable_shift,vectorizable_operation, vectorizable_store,
782 vectorizable_load): Likewise.
783 (vect_is_simple_cond): Add an argument, pass it to
784 vect_is_simple_use_1.
785 (vectorizable_condition): Update calls to vect_is_simple_cond,
787 (vect_is_simple_use): Add an argument, the statement in which
788 OPERAND is used. Check that if OPERAND's def stmt is a double
789 reduction phi node, the use is a phi node too.
790 (vect_is_simple_use_1): Add an argument, pass it to
792 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
793 to vect_is_simple_use.
795 2012-02-04 Jakub Jelinek <jakub@redhat.com>
797 PR rtl-optimization/52095
798 * modulo-sched.c (dump_insn_locator): New function.
799 (loop_canon_p, sms_schedule): Use it.
801 PR rtl-optimization/52113
802 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
803 even for decomposable shift/zext insns.
805 2012-02-03 Jakub Jelinek <jakub@redhat.com>
806 Zdenek Dvorak <ook@ucw.cz>
808 PR rtl-optimization/52092
809 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
810 on get_iv_value result.
812 2012-02-02 Andrew Pinski <apinski@cavium.com>
816 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
818 2012-02-02 Jakub Jelinek <jakub@redhat.com>
821 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
823 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
825 PR rtl-optimization/49800
826 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
827 (sched_finish): Call regstat_free_n_sets_and_refs.
829 2012-02-02 Jia Liu <proljc@gmail.com>
831 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
834 2012-02-02 Jan Hubicka <jh@suse.cz>
835 Tom de Vries <tom@codesourcery.com>
838 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
839 * varpool.c (varpool_analyze_pending_decls): Likewise.
841 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
842 Jayant R Sonar <jayant.sonar@kpitcummins.com>
844 * config.gcc: Add cr16-* support.
846 * doc/extend.texi: Document cr16 extensions.
847 * doc/install.texi: Document cr16 install.
848 * doc/invoke.texi: Document cr16 options.
849 * doc/md.texi: Document cr16 constraints.
851 * common/config/cr16/cr16-common.c: New file.
852 * config/cr16/cr16.c: New file.
853 * config/cr16/cr16.h: New file.
854 * config/cr16/cr16.md: New file.
855 * config/cr16/cr16.opt: New file.
856 * config/cr16/cr16-protos.h: New file.
857 * config/cr16/predicates.md: New file.
858 * config/cr16/constraints.md: New file.
859 * config/cr16/t-cr16: New file.
861 2012-02-02 Jakub Jelinek <jakub@redhat.com>
864 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
865 that operands[2] is either immediate, or q_regs_operand.
867 PR tree-optimization/52073
868 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
869 a pattern stmt for pattern uses, ignore uses outside of the loop.
871 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
873 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
874 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
875 (OUT_AS1, OUT_AS2): Remove.
877 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
879 PR rtl-optimization/51374
880 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
881 to cross other volatile_refs_p insns.
883 2012-02-01 Richard Guenther <rguenther@suse.de>
885 * doc/invoke.texi (fno-inline): Clarify documentation.
886 (finline-small-functions): Likewise.
887 (finline-functions): Likewise.
888 * common.opt (finline): Adjust comment and documentation.
889 (finline-small-functions): Clarify documentation.
890 (finline-functions): Likewise.
891 (finline-functions-called-once): Likewise.
893 2012-02-01 Tristan Gingold <gingold@adacore.com>
895 * c-typeck.c (composite_type): Keep mode for pointers.
897 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
899 * function.h (regno_reg_rtx): Adjust comment.
900 * reginfo.c (init_reg_modes_target): Only use the previous mode
901 if it fits within one register. Remove MIPS comment.
903 2012-01-31 Jakub Jelinek <jakub@redhat.com>
906 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
908 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
910 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
913 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
915 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
917 2012-01-31 Jakub Jelinek <jakub@redhat.com>
922 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
924 2012-01-31 Richard Guenther <rguenther@suse.de>
926 PR tree-optimization/51528
927 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
930 2012-01-31 Jakub Jelinek <jakub@redhat.com>
935 * ree.c (add_removable_extension): Change def_map argument
936 to unsigned *, store in def_map 1 + offset into *insn_list vector
937 instead of pointers into the vector.
938 (find_removable_extensions): Adjust caller.
940 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
942 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
943 Transform all "* quoted-c-code" to { c-code }.
944 Remove redundant test for "optimize" in combine patterns.
945 Move (include "avr-dimode.md") to end of file.
947 2012-01-30 Bin Cheng <bin.cheng@arm.com>
950 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
951 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
953 2012-01-30 Richard Guenther <rguenther@suse.de>
955 PR tree-optimization/52028
956 * tree-loop-distribution.c (ldist_gen): Properly update
959 2012-01-30 Jakub Jelinek <jakub@redhat.com>
962 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
963 set_cur_line_info_table if not emitting debug info.
965 PR tree-optimization/52046
966 * tree-vect-patterns.c (check_bool_pattern): Give up if
967 a comparison could throw.
970 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
972 2012-01-30 Richard Guenther <rguenther@suse.de>
974 PR tree-optimization/52045
975 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
976 SSA form if cfgcleanup did anything.
978 2012-01-30 Richard Guenther <rguenther@suse.de>
980 PR tree-optimization/52045
981 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
982 before computing final todo.
984 2012-01-30 Richard Guenther <rguenther@suse.de>
986 PR tree-optimization/51528
987 * tree-sra.c (sra_modify_assign): Re-factor in preparation
990 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
992 * df-problems.c (df_kill_notes): Check that the use refers
993 to the note under examination.
995 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
998 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
999 parameter and use short-lived pseudos.
1000 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
1001 (sparc_expand_vector_init): Const-ify local variables and adjust
1002 calls to above functions.
1004 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1006 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
1008 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
1010 * doc/invoke.texi: Make usage of "compile time" and
1011 "run time"/"runtime" consistent throughout the file.
1013 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
1015 * config/alpha/alpha.c (alpha_option_override): Default to
1016 full IEEE compliance mode for Go language.
1018 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
1020 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
1021 (LINK_SSP_SPEC): Define.
1023 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1026 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
1029 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
1031 * doc/invoke.texi: Correct hyphenation of "floating point",
1032 "double precision", and related terminology throughout the file.
1034 2012-01-28 Jakub Jelinek <jakub@redhat.com>
1037 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
1038 arm_general_register_operand predicate for operand 2 instead of
1041 2012-01-27 Ian Lance Taylor <iant@google.com>
1044 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
1045 * builtins.c (expand_builtin_init_trampoline): Add onstack
1046 parameter. Change caller.
1047 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
1048 * tree.c (build_common_builtin_nodes): Declare
1049 __builtin_init_heap_trampoline.
1051 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
1053 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
1054 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
1055 * config/avr/avr.c: Ditto.
1056 (avr_regnames): Remove because unused.
1057 * config/avr/avr.md (*cpse.ne): New peephole.
1058 (*cpse.eq): New peephole from former cpse peepholes.
1060 2012-01-27 Michael Eager <eager@eagercon.com>
1062 * config/microblaze.c (microblaze_emit_compare): Correct
1063 test after pcmp instruction.
1065 2012-01-27 Richard Guenther <rguenther@suse.de>
1067 PR tree-optimization/52020
1068 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
1070 2012-01-27 Richard Guenther <rguenther@suse.de>
1072 * ipa-pure-const.c (check_stmt): Clobbers do not make a
1073 function non-const/pure.
1075 2012-01-27 Richard Guenther <rguenther@suse.de>
1077 PR tree-optimization/50444
1078 * tree-sra.c (build_ref_for_offset): Properly adjust the
1079 MEM_REF type for unaligned accesses.
1081 2012-01-27 Richard Guenther <rguenther@suse.de>
1083 PR tree-optimization/50444
1084 * expr.c (mem_ref_refers_to_non_mem_p): New function.
1085 (expand_assignment): Use it. Properly handle misaligned
1086 bases when expanding stores to component references.
1087 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1090 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
1093 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1094 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1095 * tree-data-ref.c (find_data_references_in_loop): Make static.
1096 (compute_all_dependences): Change return type to bool. Bail out
1097 for too many datarefs in a loop. Move the hunk resetting the data
1098 dependences vector from ...
1099 (compute_data_dependences_for_loop): ... here. Account for
1100 compute_all_dependences returning false.
1101 (compute_data_dependences_for_bb): Likewise.
1102 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1103 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1105 2012-01-27 Richard Guenther <rguenther@suse.de>
1108 * expr.c (store_field): Use the alias-set of the scratch memory
1111 2012-01-27 Tom de Vries <tom@codesourcery.com>
1113 PR tree-optimization/51990
1114 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1116 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1118 2012-01-27 Jakub Jelinek <jakub@redhat.com>
1121 * var-tracking.c (reverse_op): Don't add any reverse operation
1122 if V already has any constant locations.
1124 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1126 * doc/invoke.texi: Correct usage of "command line" (noun)
1127 vs "command-line" (adjective) throughout.
1129 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1131 * doc/invoke.texi (Language Independent Options): Move
1132 -Wcoverage-mismatch blurb from here....
1133 (Warning Options): ...to here.
1135 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
1137 * config/rs6000/rs6000.c (rs6000_option_override_internal):
1138 Set rs6000_always_hint to false for 476.
1140 2012-01-27 Matthias Klose <doko@ubuntu.com>
1142 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1144 * incpath.c (add_standard_paths): Likewise.
1146 2012-01-27 Richard Henderson <rth@redhat.com>
1148 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1149 * config/m68k/sync.md (atomic_test_and_set): Rename from
1150 sync_test_and_setqi and adjust the operands.
1151 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1152 and unconditionally enable.
1154 2012-01-27 Richard Henderson <rth@redhat.com>
1156 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1157 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1158 (ldstub): Rename from ldstubqi.
1159 (ldstub<I24MODE>): Remove.
1161 2012-01-27 Richard Henderson <rth@redhat.com>
1163 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1164 * c-cppbuiltin.c (cpp_atomic_builtins): Define
1165 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1166 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1167 * doc/tm.texi: Rebuild.
1169 2012-01-27 Richard Henderson <rth@redhat.com>
1171 * optabs.c (gen_atomic_test_and_set): Remove default.
1172 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1174 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1176 PR rtl-optimization/51978
1177 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1178 (combine_reaching_defs): Likewise.
1179 (struct re_info): Remove.
1180 (add_removable_extension): Remove x and data arguments,
1181 add insn, insn_list and def_map. Use the arguments directly
1182 instead of using struct re_info.
1183 (find_removable_extensions): Don't call add_removable_extension
1184 through note_stores, instead just call it with single_set
1186 (find_and_remove_re): Pass curr_cand->expr instead of
1187 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1189 2012-01-26 Michael Matz <matz@suse.de>
1191 PR tree-optimization/46590
1192 * cfgexpand.c: Revert last change (r183305).
1193 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1195 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1196 checking for emptiness.
1198 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1201 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1202 non-addressable non-BLKmode base correctly.
1204 2012-01-26 Michael Matz <matz@suse.de>
1206 PR tree-optimization/48794
1207 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1208 regions referenced from RESX/EH_DISPATCH.
1210 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1212 * config/s390/s390.h: Make BRANCH_COST an option.
1213 * config/s390/s390.opt: New option -mbranch-cost.
1215 2012-01-26 Richard Henderson <rth@redhat.com>
1217 Revert 2012-01-24 change:
1218 * trans-mem.c (requires_barrier): Do not instrument thread local
1219 variables and emit save/restore for them.
1221 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1224 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1227 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
1229 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1232 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
1235 Rename __pgm to __flash.
1236 Rename __pgm1 to __flash1.
1237 Rename __pgm2 to __flash2.
1238 Rename __pgm3 to __flash3.
1239 Rename __pgm4 to __flash4.
1240 Rename __pgm5 to __flash5.
1241 Rename __pgmx to __memx.
1242 * doc/extend.texi (AVR Named Address Spaces)
1243 Rename address space names as indicated above.
1244 * config/avr/avr.c (avr_addrspace): Ditto.
1246 * config/avr/avr-protos.h
1247 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1248 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1249 * config/avr/predicates.md: Ditto.
1250 * config/avr/avr.c Ditto, and
1251 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1252 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1254 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1255 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1256 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1257 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1258 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1259 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1260 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1261 * config/avr/avr.c: Ditto.
1262 * config/avr/avr.md: Ditto.
1264 2012-01-25 Jason Merrill <jason@redhat.com>
1267 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1269 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1271 PR tree-optimization/51987
1272 * tree-data-ref.c (get_references_in_stmt): Handle references in
1273 non-volatile GIMPLE_ASM.
1275 2012-01-25 Richard Guenther <rguenther@suse.de>
1277 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1278 bases are dereferenced.
1280 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1282 PR rtl-optimization/48374
1283 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1285 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1287 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1288 compute_data_dependences_for_loop returns false.
1289 * tree-parloops.c (loop_parallel_p): Likewise.
1291 2012-01-25 Richard Guenther <rguenther@suse.de>
1293 * tree.h (get_pointer_alignment_1): Declare.
1294 * builtins.c (get_pointer_alignment_1): New function.
1295 (get_pointer_alignment): Use it.
1297 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1299 PR rtl-optimization/48308
1300 * combine.c (enum undo_kind): Add UNDO_LINKS.
1301 (struct undo): Add member l to other_contents and where.
1302 (do_SUBST_LINK): New.
1304 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1305 (undo_all): Handle UNDO_LINKS.
1307 2012-01-25 Richard Henderson <rth@redhat.com>
1309 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1312 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1314 * optabs.c (gen_atomic_test_and_set): Use each argument.
1316 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1318 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1319 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1320 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1321 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1322 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1323 TARGET_PAIRED_SINGLE_FLOAT.
1325 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1327 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1328 (in_struct, return_val): Remove MEM documentation.
1329 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1330 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1331 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1333 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1334 * cfgexpand.c (add_alias_set_conflicts): Likewise.
1335 * expr.c (store_field): Likewise.
1336 * function.c (assign_stack_temp_for_type): Likewise.
1337 * ifcvt.c (noce_try_cmove_arith): Likewise.
1338 * reload1.c (reload): Likewise.
1339 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1340 (alpha_set_memflags): Likewise.
1341 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1343 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1345 * rtl.h (true_dependence, canon_true_dependence): Remove varies
1347 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1348 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1349 (true_dependence_1, true_dependence, canon_true_dependence): Remove
1351 * cselib.c (cselib_rtx_varies_p): Delete.
1352 (cselib_invalidate_mem): Update call to canon_true_dependence.
1353 * dse.c (record_store, check_mem_read_rtx): Likewise.
1354 (scan_reads_nospill): Likewise.
1355 * cse.c (check_dependence): Likewise.
1356 (cse_rtx_varies_p): Delete.
1357 * expr.c (safe_from_p): Update call to true_dependence.
1358 * ira.c (validate_equiv_mem_from_store): Likewise.
1359 (memref_referenced_p): Likewise.
1360 * postreload-gcse.c (find_mem_conflicts): Likewise.
1361 * sched-deps.c (sched_analyze_2): Likewise.
1362 * store-motion.c (load_kills_store): Likewise.
1363 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1364 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1365 (compute_transp): Update call to canon_true_dependence.
1367 2012-01-25 Richard Henderson <rth@redhat.com>
1369 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1370 (maybe_emit_atomic_test_and_set): New.
1371 (expand_sync_lock_test_and_set): Use it.
1372 (expand_atomic_test_and_set): Likewise.
1373 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1374 the implementation; clarify implementation defined details.
1375 * doc/md.texi (atomic_test_and_set): Document.
1377 2012-01-25 Richard Henderson <rth@redhat.com>
1379 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1381 2012-01-25 Richard Henderson <rth@redhat.com>
1384 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1385 to effect no-op split.
1387 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1390 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1391 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1392 (BT_FN_VOID_PTR_INT_SIZE): New.
1393 (BT_FN_UINT_UINT_VAR): Remove.
1394 (BT_FN_UINT32_UINT32_VAR): New.
1395 (BT_FN_DOUBLE_VPTR): Remove.
1396 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1398 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1399 (_ITM_changeTransactionMode): Same.
1400 (_ITM_memmoveRtWt): Change return type to void.
1401 (_ITM_memcpyRtWt): Same.
1402 (_ITM_memsetW): Same.
1403 (_ITM_RaRD): Change types to double.
1408 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1410 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1411 Patrick Marlier <patrick.marlier@gmail.com>
1413 * trans-mem.c (requires_barrier): Do not instrument thread local
1414 variables and emit save/restore for them.
1416 2012-01-24 Jason Merrill <jason@redhat.com>
1419 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1420 output static aliases.
1422 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1425 * common.opt (-pie, -shared, pie, shared): Change from Common to
1427 * gcc.c (display_help): Display help for -pie and -shared.
1429 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1432 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1433 Remove note on size/offset limitation.
1434 (AVR Variable Attributes): Add example how to read data located
1435 with progmem. Refer to named address spaces.
1436 * doc/invoke.texi (AVR Options): Fix typo.
1438 2012-01-24 Richard Guenther <rguenther@suse.de>
1440 Forward-port to trunk
1441 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1444 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1445 op0 isn't sufficiently aligned and there is movmisalignM
1446 insn for mode, use it to load op0 into a temporary register.
1448 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1451 * target.def (const_not_ok_for_debug_p): New hook.
1452 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1454 * doc/tm.texi: Regenerated.
1455 * dwarf2out.c (const_ok_for_output_1): If
1456 targetm.const_not_ok_for_debug_p returns true, fail.
1457 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1459 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1461 2012-01-23 Kai Tietz <ktietz@redhat.com>
1464 * config/i386/predicates.md (symbolic_operand): Allow
1465 UNSPEC_PCREL as PIC expression for lea.
1466 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1467 * config/i386/i386.c (ix86_delegitimize_address): Handle
1468 UNSPEC_PCREL for none-MEM, too.
1470 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1472 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1473 (ipa_tm_create_version_alias): Same.
1475 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1478 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1479 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1481 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1482 Patrick Marlier <patrick.marlier@gmail.com>
1483 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1486 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1487 simple_object_start_read.
1489 2012-01-23 Richard Guenther <rguenther@suse.de>
1492 PR tree-optimization/51895
1493 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1494 parameter decomposition into BLKmode components.
1496 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1498 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1499 fake variables for restrict-qualified pointers whose pointed-to type
1500 contains a placeholder.
1502 2012-01-23 Richard Guenther <rguenther@suse.de>
1504 PR tree-optimization/51949
1505 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1507 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1509 PR rtl-optimization/51933
1510 * ree.c (transform_ifelse): Return true right away if dstreg is
1511 already wider or equal to cand->mode.
1512 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1513 (make_defs_and_copies_lists): Remove defs_list and copies_list
1514 arguments, add state argument, just truncate state->work_list
1515 instead of always allocating and freeing the vector. Assert that
1516 get_defs succeeds instead of returning 2. Changed return type to bool.
1517 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1518 have ext_src_mode, see if it has been modified already with the
1519 right kind of extension and has been extended before from the
1520 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1521 just return true. Remember the original mode in state->modified array.
1522 (combine_reaching_defs): Add state argument. Don't allocate and
1523 free here def_list, copied_list and vec vectors, instead just
1524 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1525 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1526 Add state variable, clear vectors in it, initialize state.modified
1527 if needed. Free all the vectors at the end and state.modified too.
1528 Don't skip a candidate if the extension expression has been modified.
1530 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1533 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1534 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1535 (extra_options) interix.opt -> i386/interix.opt"
1536 (extra_objs):Add winnt-stubs.o
1537 * configure.ac: Add interix to target_os .comm on PE check.
1538 * configure: Regenerate.
1539 * config/interix3.h: Delete and move bits to..
1540 * config/interix.h: Delete and move bits to..
1541 * config/i386/i386-interix3.h: Delete and move bits to..
1542 * config/i386/i386-interix.h: ..here.
1543 (TARGET_CPU_DEFAULT): Remove redefinition.
1544 (TARGET_ASM_CONSTRUCTOR): Undefine.
1545 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1546 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1547 (PTRDIFF_TYPE): Define.
1548 (LONG_DOUBLE_TYPE_SIZE): Define.
1549 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1550 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1551 (TARGET_SECTION_TYPE_FLAGS): Define.
1552 (ASM_DECLARE_FUNCTION_NAME): Define.
1553 (ASM_OUTPUT_EXTERNAL): Define.
1554 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1555 (ASM_OUTPUT_ALIGNED_BSS): Define.
1556 (PCC_BITFIELD_TYPE_MATTERS): Define.
1557 (USE_CONST_SECTION): Define.
1558 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1559 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1560 (SUPPORTS_ONE_ONLY): Remove.
1561 (I386_PE_STRIP_ENCODING): Define.
1562 * config/interix.opt: Delete and move bits to..
1563 * config/i386/interix.opt: ..here. New.
1564 (mpe-aligned-commons): Add.
1565 * config/i386/t-interix: Add copyright header.
1566 (winnt-stubs.o): Add rule.
1568 2012-01-22 Jason Merrill <jason@redhat.com>
1571 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1572 for extra name aliases.
1574 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1576 PR rtl-optimization/51924
1577 * ree.c (combine_set_extension): Improve debugging message.
1578 (combine_reaching_defs): Likewise.
1579 (get_defs): Rename confusingly named variable.
1580 (find_and_remove_re): Skip a candidate if the extension expression has
1583 2012-01-21 Robert Millan <rmh@gnu.org>
1584 Gerald Pfeifer <gerald@pfeifer.com>
1586 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1587 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1589 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1591 PR tree-optimization/51914
1592 * tree-vect-stmts.c (vectorizable_conversion): For
1593 cvt_type && modifier == WIDEN, put temporary with cvt_type
1594 at the beginning of vec_dsts and set vec_dest to temporary
1597 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1599 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1601 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1603 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1604 * config/rs6000/rs6000.c: Likewise.
1606 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1609 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1610 output_move_double on a copy of operands array.
1612 2012-01-20 Cary Coutant <ccoutant@google.com>
1613 Dodji Seketeli <dodji@redhat.com>
1616 * dwarf2out.c (copy_declaration_context): Return ref to parent
1617 of declaration DIE, if necessary.
1618 (remove_child_or_replace_with_skeleton): Add new parameter; update
1619 caller. Place skeleton DIE under parent DIE of original declaration.
1620 Move call to copy_declaration_context to here ...
1621 (break_out_comdat_types): ... from here.
1623 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1625 PR rtl-optimization/51856
1626 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1629 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1632 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1633 hints for neon loads and stores.
1635 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1639 * doc/extend.texi (Named Address Spaces): Split into subsections.
1640 (AVR Named Address Spaces): New subsection.
1641 (M32C Named Address Spaces): New subsection.
1642 (RL78 Named Address Spaces): New subsection.
1643 (SPU Named Address Spaces): New subsection.
1644 (Variable Attributes): New anchor "AVR Variable Attributes".
1645 (AVR Variable Attributes): Rewrite and avoid wording
1646 "address space" in this context.
1647 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1648 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1649 (AVR Built-in Macros): New subsubsection therein.
1650 * doc/md.texi (AVR constraints): Remove "C04", "R".
1652 2012-01-20 Richard Guenther <rguenther@suse.de>
1654 PR tree-optimization/51903
1655 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1656 when removing stmts.
1658 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1661 * config/arm/arm.c (arm_load_pic_register): Use
1662 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1663 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1664 (arm_pic_static_addr): Likewise.
1665 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1666 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1667 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1668 (pic_load_addr_unified): New.
1670 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1673 * function.c (instantiate_virtual_regs_in_insn): Use
1674 delete_insn_and_edges when removing a wrong asm insn.
1676 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1678 PR rtl-optimization/40761
1679 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1680 Add new member loop_num.
1681 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1682 (ira_build): Remove the parameter.
1684 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1685 (ira.c): Do not build CFG loops for one region allocation. Remove
1686 argument from ira_build call.
1688 * ira-build.c (init_loop_tree_node): New function.
1689 (create_loop_tree_nodes): Use it. Separate the case when CFG
1690 loops are not built.
1691 (more_one_region_p): Check current_loops.
1692 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1694 (add_loop_to_tree): Process loop equal to NULL too.
1695 (form_loop_tree): Separate the case when CFG loops are not built.
1696 Use explicitly number for the root.
1697 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1699 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1700 instead of loop->num.
1701 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1702 (mark_all_loops_for_removal): Ditto.
1703 (remove_unnecessary_regions): Separate the case when CFG loops
1705 (ira_build): Remove the parameter. Use explicit number of regions
1706 when CFG loops are not built.
1708 * ira-color.c (print_loop_title): Separate the case for the root node.
1709 Use loop_num instead of loop->num.
1710 (move_spill_restore): Use loop_num instead of loop->num.
1712 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1713 (change_loop): Ditto.
1714 (change_loop): Use loop_num instead of loop->num.
1716 * ira-lives.c (process_bb_node_lives): Ditto.
1718 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1720 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1722 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1725 * tree-mudflap.c (mf_artificial): New function.
1726 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1727 mx_register_decls, mudflap_enqueue_decl): Use it.
1730 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1731 numbers in the insn pattern.
1733 2012-01-19 Michael Matz <matz@suse.de>
1735 PR tree-optimization/46590
1736 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1737 use it in remembering which conflicts we already created.
1738 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1741 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1744 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1745 (merge_and_complain): Same.
1747 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1750 * config/initfini-array.h: Guard content of the header
1751 with #ifdef HAVE_INITFINI_ARRAY.
1752 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1753 Add initfini-array.h to tm_file here.
1754 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1755 * config.gcc: Don't add initfini-array.h to tm_file here.
1756 * configure: Regenerated.
1758 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1760 PR rtl-optimization/51505
1761 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1762 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1763 (df_note_bb_compute): Update the call to df_kill_notes.
1765 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1767 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1769 2012-01-18 Richard Guenther <rguenther@suse.de>
1771 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1772 of conversions to void *.
1774 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1775 Richard Sandiford <rdsandiford@googlemail.com>
1779 * optabs.h (simplify_expand_binop): Declare.
1780 * optabs.c (simplify_expand_binop): Make global.
1781 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1782 endian targets if the source cannot be exactly covered by word
1785 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1788 * hard-reg-set.h (struct hard_reg_set_container): New type.
1789 * target.h (struct hard_reg_set_container): Forward declare.
1790 * target.def (set_up_by_prologue): New target hook.
1791 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1792 * doc/tm.texi: Regenerated.
1793 * function.c (thread_prologue_and_epilogue_insns): Change
1794 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1795 Call targetm.set_up_by_prologue on it.
1796 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1797 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1799 2012-01-17 Nick Clifton <nickc@redhat.com>
1801 * config/rx/rx.c (rx_can_use_simple_return): New function.
1802 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1803 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1805 2012-01-17 Richard Guenther <rguenther@suse.de>
1808 * expr.c (expand_assignment): Take address-space information
1809 from the address operand of MEM_REF and TARGET_MEM_REF.
1810 (expand_expr_real_1): Likewise.
1812 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1814 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1815 reload dump is requested.
1817 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1820 * trans-mem.c (requires_barrier): Call may_be_aliased.
1822 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1824 PR tree-optimization/51877
1825 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1826 call arguments and fndecls compare equal, instead return false if they
1827 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1828 both SSA_NAMEs that are valueized the same, or they satisfy
1831 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1833 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1835 * configure: Regenerate.
1837 2012-01-16 Jan Hubicka <jh@suse.cz>
1841 * convert.c (convert_to_integer): Use fold_convert for
1842 converting an INTEGER_CST to integer type.
1844 2012-01-16 Jason Merrill <jason@redhat.com>
1847 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1849 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1852 * config/s390/s390.c (s390_chunkify_start): Don't skip
1853 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1854 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1855 If insn is followed by NOTE_INSN_VAR_LOCATION or
1856 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1857 Don't use location of note insns.
1859 PR tree-optimization/51865
1860 * tree-inline.c (tree_function_versioning): Call remap_decl
1861 on DECL_RESULT whenever it has VOID_TYPE_P type.
1863 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1865 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1866 for calls to locally-binding MIPS16 functions if only the return
1867 type uses float regs.
1869 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1870 Richard Sandiford <rdsandiford@googlemail.com>
1872 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1873 (SYMBOL_32_HIGH): Likewise.
1874 (mips_output_tls_reloc_directive): Declare.
1875 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1876 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1877 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1878 (mips_lo_relocs, mips_hi_relocs): Make extern.
1879 (mips16_stub_function): Move up file.
1880 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1881 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1882 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1883 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1884 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1885 (mips_get_tp): Add MIPS16 support.
1886 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1887 Generalize DTPREL and TPREL handling.
1888 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1889 Add MIPS16 TLS support.
1890 (mips_output_tls_reloc_directive): New function.
1891 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1892 * config/mips/predicates.md (symbolic_operand_with_high)
1893 (tls_reloc_operand): New predicates.
1894 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1895 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1896 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1897 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1898 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1899 (*tls_get_tp_mips16_call_<mode>): Likewise.
1901 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1903 PR rtl-optimization/51821
1904 * recog.c (peep2_find_free_register): Determine clobbered registers
1907 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1910 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1911 * config/avr/avr.c: Likewise.
1912 * config/avr/avr.h: Likewise.
1914 2012-01-13 Ian Lance Taylor <iant@google.com>
1917 * tree.h (TYPE_QUALS): Add cast to int.
1918 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1920 2012-01-13 Ian Lance Taylor <iant@google.com>
1922 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1923 comparing param_index to VEC_length result.
1925 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1927 * c-decl.c: Do not include tree-mudflap.h
1928 * tree-optimize.c: Likewise.
1929 * Makefile.in: Update dependencies.
1931 2012-01-13 Richard Guenther <rguenther@suse.de>
1934 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1935 variable-sized result always use RSO.
1937 2012-01-12 DJ Delorie <dj@redhat.com>
1939 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1940 pointer type, not just the default pointer type.
1942 2012-01-09 Richard Henderson <rth@redhat.com>
1943 Denis Chertykov <chertykov@gmail.com>
1946 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1947 * config/avr/avr.c (avr_can_eliminate): Simplify.
1948 (avr_initial_elimination_offset): Likewise.
1949 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1950 (expand_epilogue): Likewise.
1951 (avr_legitimize_address): Gut.
1952 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1953 (avr_hard_regno_nregs): New.
1954 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1955 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1956 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1957 add soft frame pointer.
1958 (CALL_USED_REGISTERS): Likewise.
1959 (REG_CLASS_CONTENTS): Likewise.
1960 (REGISTER_NAMES): Likewise.
1961 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1962 (HARD_FRAME_POINTER_REGNUM): New.
1963 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1964 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1965 remove the HARD_FRAME_POINTER self-elimination.
1967 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1970 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1971 DECL_EXTERNAL when checking for initializers of progmem variables.
1973 2012-01-12 Ira Rosen <irar@il.ibm.com>
1975 PR tree-optimization/51799
1976 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1977 that the last operation is a type demotion.
1979 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1981 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1982 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1984 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1987 * combine.c (distribute_notes): If i3 is a noreturn call,
1988 allow old_size to be equal to args_size and make sure the
1989 noreturn call gets REG_ARGS_SIZE note.
1990 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1991 on noreturn calls even when the delta is 0.
1993 2012-01-11 Nathan Sidwell <nathan@acm.org>
1995 * gcov.c (STRING_SIZE): Remove.
1996 (generate_results): Erase annotations for source files with no
1997 coverage information.
1999 (output_lines): Use it.
2001 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2003 * gimple.h (gimplify_body): Remove first argument.
2004 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
2005 pointer set here, instead just pass DATA to walk_tree.
2006 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
2007 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
2008 (unvisit_body): Likewise, but with unmark_visited.
2009 (gimplify_body): Remove BODY_P argument and adjust.
2010 (gimplify_function_tree): Adjust call to gimplify_body.
2011 * omp-low.c (finalize_task_copyfn): Likewise.
2013 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2015 * tree.h (build_function_decl_skip_args): Add boolean parameter.
2016 (build_function_type_skip_args): Delete.
2017 * tree.c (build_function_type_skip_args): Make static and add
2018 SKIP_RETURN parameter. Fix thinko in the handling of variants.
2019 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
2020 pass it to build_function_type_skip_args.
2021 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
2022 (tree_function_versioning): Likewise.
2023 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
2024 build_function_decl_skip_args.
2025 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
2026 and pass it to build_function_decl_skip_args/tree_function_versioning.
2027 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
2028 * ipa-inline-transform.c (save_inline_function_body): Likewise.
2029 * trans-mem.c (ipa_tm_create_version): Likewise.
2030 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
2031 * tree-inline.c (declare_return_variable): Remove always-true test.
2032 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
2033 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
2034 * ipa-split.c (split_function): Skip the return value for the split
2035 part if it doesn't return.
2037 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2039 PR tree-optimization/49642
2040 * ipa-split.c (forbidden_dominators): New variable.
2041 (check_forbidden_calls): New function.
2042 (dominated_by_forbidden): Likewise.
2043 (consider_split): Check for forbidden dominators.
2044 (execute_split_functions): Initialize and free forbidden
2045 dominators info; call check_forbidden_calls.
2047 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2049 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
2051 2012-01-11 Nick Clifton <nickc@redhat.com>
2053 * config/rx/rx.md (return): Define pattern.
2055 2012-01-11 Richard Guenther <rguenther@suse.de>
2057 * doc/extend.texi (malloc attribute): Adjust according to
2060 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
2061 Patrick Marlier <patrick.marlier@gmail.com>
2064 * trans-mem.c (get_cg_data): Traverse aliases if requested.
2065 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
2066 (ipa_tm_note_irrevocable): Same.
2067 (ipa_tm_scan_irr_block): Same.
2068 (ipa_tm_decrement_clone_counts): Same.
2069 (ipa_tm_scan_irr_function): Same.
2070 (ipa_tm_create_version_alias): Same.
2071 (ipa_tm_create_version): Same.
2072 (ipa_tm_transform_calls_redirect): Same.
2073 (ipa_tm_transform_calls): Same.
2074 (ipa_tm_transform_transaction): Same.
2075 (ipa_tm_execute): Same.
2077 2012-01-10 Richard Guenther <rguenther@suse.de>
2080 * opts.c (common_handle_option): Handle -Werror.
2082 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
2084 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2087 2012-01-10 Jason Merrill <jason@redhat.com>
2089 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2092 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2094 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2095 supports R_386_TLS_GD_PLT reloc.
2096 (gcc_cv_as_ix86_tlsldmplt): Check if linker
2097 supports R_386_TLS_LDM_PLT reloc.
2098 * configure: Regenerate.
2099 * config.in: Regenerate.
2101 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
2104 Extend __pgmx semantics to linearize memory.
2105 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2106 determine if code comes inline or from libgcc.
2107 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2108 (movmem_qi, movmem_qi): Set constraint #2 to "n".
2109 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2110 (movmemx_qi, movmemx_hi): New insns.
2111 (xload_<mode>_libgcc): Rewrite to new insn condition.
2112 (xload_<mode>): Remove insns.
2113 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2114 cases that don't satisfy avr_xload_libgcc_p().
2115 (avr_addr_space_convert): Allow converting in any direction.
2116 (avr_addr_space_subset_p): Return always true.
2117 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2118 (avr_emit_movmemhi): Ditto.
2119 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2120 (avr_out_movmem): Ditto.
2121 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2122 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2123 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2124 (avr_encode_section_info): Encode 'progmem' in symbol flags.
2125 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2127 2012-01-10 Richard Guenther <rguenther@suse.de>
2129 PR tree-optimization/50913
2130 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2131 Require data-refs to be representable by Graphite with respect
2134 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
2136 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2137 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2139 2012-01-10 Tom de Vries <tom@codesourcery.com>
2141 PR rtl-optimization/51271
2142 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2143 handling annulled branch.
2145 2012-01-10 Richard Henderson <rth@redhat.com>
2147 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2148 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2149 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2150 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2151 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2152 arm_expand_vec_perm_const): New.
2153 * config/arm/arm-protos.h: Update.
2154 * config/arm/neon.md (UNSPEC_VCONCAT): New.
2155 (*neon_vswp<VDQX>): New.
2156 (neon_vcombine<VDX>): Use neon_split_vcombine.
2157 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2158 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2159 (vec_perm<VE>): New.
2161 2012-01-10 Richard Henderson <rth@redhat.com>
2163 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2164 use it if reload_completed.
2165 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2166 arm_output_asm_insn, arm_process_output_memory_barrier,
2167 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2168 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2169 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2170 arm_process_output_sync_insn, arm_output_sync_insn,
2171 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2172 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2173 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2174 (emit_unlikely_jump): New.
2175 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2176 (arm_split_atomic_op): New.
2177 * config/arm/arm-protos.h: Update.
2178 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2179 (struct arm_sync_generator): Remove.
2180 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2181 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2182 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2183 (VUNSPEC_LL, VUNSPEC_SC): New.
2184 (sync_result, sync_memory, sync_required_value, sync_new_value,
2185 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2186 (attr length): Don't use arm_sync_loop_insns.
2187 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2188 (movsfcc, movdfcc): Likewise.
2189 * config/arm/constraints.md (Ua): New.
2190 * config/arm/prediates.md (mem_noofs_operand): New.
2191 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2192 (sync_clobber, sync_t2_reqd): Remove.
2193 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2194 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2195 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2196 (arm_sync_compare_and_swap<SIDI>): Remove.
2197 (arm_sync_compare_and_swap<NARROW>): Remove.
2198 (arm_sync_lock_test_and_set<SIDI>): Remove.
2199 (arm_sync_lock_test_and_set<NARROW>): Remove.
2200 (arm_sync_new_<syncop><SIDI>): Remove.
2201 (arm_sync_new_<syncop><NARROW>): Remove.
2202 (arm_sync_new_nand<SIDI>): Remove.
2203 (arm_sync_new_nand<NARROW>): Remove.
2204 (arm_sync_old_<syncop><SIDI>): Remove.
2205 (arm_sync_old_<syncop><NARROW>): Remove.
2206 (arm_sync_old_nand<SIDI>): Remove.
2207 (arm_sync_old_nand<NARROW>): Remove.
2208 (*memory_barrier): Merge arm_output_memory_barrier.
2209 (atomic_compare_and_swap<QHSD>): New.
2210 (atomic_compare_and_swap<NARROW>_1): New.
2211 (atomic_compare_and_swap<SIDI>_1): New.
2212 (atomic_exchange<QHSD>): New.
2213 (cas_cmp_operand, cas_cmp_str): New.
2214 (atomic_op_operand, atomic_op_str): New.
2215 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2216 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2217 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2218 (arm_load_exclusive<NARROW>): New.
2219 (arm_load_exclusivesi, arm_load_exclusivedi): New.
2220 (arm_store_exclusive<QHSD>): New.
2222 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2224 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2225 reload patterns if -mvsx-scalar-memory.
2227 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2228 generated, even -mno-vsx-scalar-double was used.
2229 (vsx_xscvdpsp_scalar): Likewise.
2230 (vsx_xscvspdp_scalar2): Likewise.
2232 2012-01-09 Tom de Vries <tom@codesourcery.com>
2233 Andrew Pinski <apinski@cavium.com>
2236 * reorg.c (fill_slots_from_thread): Don't speculate
2237 frame-related insns.
2239 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
2241 * sched-int.h (bb_note): Move to...
2242 * basic-block.h: ...here.
2243 * haifa-sched.c (bb_note): Move to...
2244 * cfgrtl.c: ...here.
2245 * function.c (next_block_for_reg): New function.
2246 (move_insn_for_shrink_wrap): Likewise.
2247 (prepare_shrink_wrap): Rewrite to use the above.
2249 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
2251 * gimple.c (is_gimple_non_addressable): Remove.
2252 * gimple.h: Remove is_gimple_non_addressable.
2253 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2254 is_gimple_non_addressable.
2255 * trans-mem.c (expand_assign_tm): Same.
2257 2012-01-09 Richard Guenther <rguenther@suse.de>
2259 PR tree-optimization/51775
2260 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2261 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2263 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2265 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2267 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2269 2012-01-09 Richard Guenther <rguenther@suse.de>
2271 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2273 2012-01-08 Jan Hubicka <jh@suse.cz>
2275 PR tree-optimize/51680
2276 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2277 on when known_vals needs to be computed; cleanup.
2279 2012-01-08 Jan Hubicka <jh@suse.cz>
2281 PR tree-optimize/51694
2282 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2284 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
2286 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2287 for -std=c++98 and -std=c++11 too.
2289 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
2291 * cfgloop.c (cancel_loop): Add free() of bbs array.
2293 2012-01-07 Jan Hubicka <jh@suse.cz>
2295 PR tree-optimization/51600
2296 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2297 that benefits small functions.
2299 2012-01-07 Jan Hubicka <jh@suse.cz>
2301 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2303 2012-01-07 Jan Hubicka <jh@suse.cz>
2305 PR tree-optimization/51680
2306 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2307 whose inlining reduce unit size.
2309 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2312 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2313 Add canonical node to containing_mem chain after the non-canonical
2314 one, even if there weren't any locs to propagate.
2315 (remove_useless_values): Keep only canonical values.
2316 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2317 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2318 canonicalize mem_chain elements that are not discarded.
2320 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2323 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2324 before emitting functions.
2326 PR gcov-profile/50127
2327 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2328 clear_aux_for_blocks.
2330 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
2333 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2335 2012-01-06 Arnaud Charlet <charlet@adacore.com>
2337 * c-decl.c (ext_block): Moved up.
2338 (collect_all_refs, for_each_global_decl): Take ext_block into account.
2340 2012-01-06 Han Shen <shenhan@google.com>
2342 Translate built-in include paths for sysroot.
2343 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2344 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2346 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2347 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2349 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2350 control whether sysroot should be prepended to gxx include dir.
2352 * configure: Regenerate.
2354 2012-01-06 Torvald Riegel <triegel@redhat.com>
2356 PR rtl-optimization/51771
2357 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2358 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2360 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2362 PR tree-optimization/51315
2363 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2364 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2366 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
2369 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2370 for shrp pattern. Correctly handle and fixup shift variable.
2371 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2373 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2376 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2377 note when !ACCUMULATE_OUTGOING_ARGS.
2379 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2381 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2383 (extract_range_from_unary_expr_1): Avoid useless computations.
2385 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2387 PR rtl-optimization/51767
2388 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2389 of jump_block and add an extra edge for degenerated asm gotos.
2392 * stmt.c (check_unique_operand_names): Don't ICE during error
2393 reporting if i is from labels chain.
2396 * profile.c (branch_prob): Split bbs that have exit edge
2397 and need a fake entry edge too.
2399 2012-01-05 Jan Hubicka <jh@suse.cz>
2402 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2405 2012-01-05 Richard Guenther <rguenther@suse.de>
2408 * tree-streamer-out.c (write_ts_optimization): New function.
2409 (streamer_write_tree_body): Call it.
2410 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2411 (streamer_read_tree_body): Call it.
2412 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2414 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2417 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2418 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2419 in_cleanup_point_expr before gimplify_stmt call and restore it
2421 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2422 in_cleanup_point_expr is false.
2424 2012-01-05 Richard Guenther <rguenther@suse.de>
2427 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2429 * toplev.c (process_options): Reject combining mudflap and LTO.
2430 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2432 2012-01-05 Richard Guenther <rguenther@suse.de>
2434 PR tree-optimization/51760
2435 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2437 (bit_value_unop): Handle UNDEFINED operands.
2438 (bit_value_binop): Likewise.
2440 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2442 * config/avr/avr.c (avr_replace_prefix): Remove.
2443 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2444 (avr_asm_function_rodata_section): Ditto.
2445 (avr_asm_select_section): Ditto.
2447 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2449 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2452 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2455 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2456 calls that have any non-fake successor edges.
2459 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2461 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2463 PR tree-optimization/51624
2464 * tree-sra.c (build_ref_for_model): When replicating a chain of
2465 COMPONENT_REFs, stop as soon as the offset would become negative.
2467 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2470 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2471 in .debug_loc on the floor.
2473 2012-01-04 Andrew Pinski <apinski@cavium.com>
2475 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2477 2012-01-04 Andrew Pinski <apinski@cavium.com>
2478 Adam Nemet <anemet@caviumnetworks.com>
2480 * config/mips/mips.md (size): Add SI and DI.
2481 (SIZE): New mode attribute.
2482 (U): New code attribute.
2483 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2484 (mips_lbux_<mode>): Delete.
2485 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2486 (mips_lhx): Use gen_mips_lhx_extsi.
2487 (mips_lhx_<mode>): Delete.
2489 (mips_l<size>x): New expand.
2490 (mips_lwx_<mode>): Delete.
2491 (mips_l<GPR:size>x_<P:mode>): New pattern.
2492 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2493 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2494 * config/mips/mips.c (mips_lx_address_p): New function.
2495 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2496 (dsp64): New availability predicate.
2497 (mips_builtins): Add an entry for __builtin_mips_ldx.
2498 * config/mips/mips.h (ISA_HAS_LBX): New define.
2499 (ISA_HAS_LBUX): Likewise.
2500 (ISA_HAS_LHX): Likewise.
2501 (ISA_HAS_LHUX): Likewise.
2502 (ISA_HAS_LWX): Likewise.
2503 (ISA_HAS_LWUX): Likewise.
2504 (ISA_HAS_LDX): Likewise.
2505 * doc/extend.texi (__builtin_mips_ldx): Document.
2507 2012-01-04 Tristan Gingold <gingold@adacore.com>
2509 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2510 when long pointers are used.
2511 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2512 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2513 (ia64-hp-*vms*): Remove.
2514 * config/vms/xm-vms64.h: Delete.
2516 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2519 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2521 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2523 * opts.c (finish_options): Remove duplicate sorry.
2525 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2528 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2531 2012-01-04 Richard Guenther <rguenther@suse.de>
2534 * tree.c (size_low_cst): New function.
2535 * tree.h (size_low_cst): Declare.
2536 * fold-const.c (fold_comparison): Use it to extract the low
2537 part of the POINTER_PLUS_EXPR offset.
2539 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2541 Fix clearing ZERO_REG
2542 * config/avr/avr.md (cc): Add alternative "ldi".
2543 (movqi_insn): Use it in cc attribute.
2544 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2545 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2546 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2548 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2550 * configure: Regenerate.
2552 2012-01-04 Richard Guenther <rguenther@suse.de>
2554 PR tree-optimization/49651
2555 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2556 (var_can_have_subvars): Use it.
2557 (get_constraint_for_1): Only consider subfields if there can be any.
2559 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2562 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2563 to its new canonical_cselib_val and the cselib_val was in
2564 first_containing_mem chain, but the canonical_cselib_val was not,
2565 add the latter into the chain.
2566 (cselib_invalidate_mem): Compare canonical_cselib_val of
2567 addr_list chain elt with v.
2570 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2571 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2573 (output_macinfo_op): Don't ggc_strdup fd->filename.
2574 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2575 then ggc_strdup it. Don't free inc->info or cur->info.
2576 (output_macinfo): Don't free ref->info or file->info.
2578 2012-01-03 Ira Rosen <irar@il.ibm.com>
2580 PR tree-optimization/51269
2581 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2582 first_niters a pointer.
2583 (slpeel_tree_peel_loop_to_edge): Likewise.
2584 (vect_do_peeling_for_loop_bound): Update call to
2585 slpeel_tree_peel_loop_to_edge.
2586 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2587 here. Remove it from the parameters list.
2588 (vect_do_peeling_for_alignment): Update calls and compute
2591 2012-01-03 Richard Guenther <rguenther@suse.de>
2593 PR tree-optimization/51070
2594 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2595 Properly handle calls.
2597 2012-01-03 Richard Guenther <rguenther@suse.de>
2599 PR tree-optimization/51692
2600 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2601 the LHS of allocation stmts.
2603 2012-01-03 Olivier Hainque <hainque@adacore.com>
2605 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2607 2012-01-03 Olivier Hainque <hainque@adacore.com>
2609 * collect2.c (main): In AIX specific computations for vector
2610 insertions, use CONST_CAST2 to cast from char ** to const char **.
2612 2012-01-03 Richard Guenther <rguenther@suse.de>
2615 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2616 the context of a limbo DIE when it does not already exist.
2618 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2620 PR tree-optimization/51719
2621 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2622 but direct call is, clear direct call's lhs and don't add fallthrough
2623 edge from dcall_bb to join_bb and PHIs.
2625 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2627 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2628 the instructions emitted by the pattern.
2629 ("*TDC_insn_<mode>"): Add comment.
2631 2012-01-03 Richard Guenther <rguenther@suse.de>
2634 * fold-const.c (fold_comparison): Properly canonicalize
2635 tree offset and HOST_WIDE_INT bit position.
2637 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2639 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2640 operands for extzv pattern.
2642 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2645 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2648 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2650 * doc/invoke.texi (-flto and related options): Copy-edit.
2652 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2654 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2656 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2658 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2661 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2663 * expr.h (move_by_pieces_ninsns): Declare.
2664 * expr.c (move_by_pieces_ninsns): Make external.
2665 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2666 (mips_store_by_pieces_p): Likewise.
2667 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2668 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2669 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2670 (mips_store_by_pieces_p): Likewise.
2672 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2674 * passes.c (register_one_dump_file): Free full_name.
2676 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2677 (calculate_elim_costs_all_insns): Free offsets_at and
2678 offsets_known_at at the end and clear the pointers.
2680 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2682 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2683 this option introduced in r180739.
2685 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2688 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2689 (tmake_file target=avr): Add avr/t-multilib.
2691 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2692 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2693 * config/avr/genmultilib.awk: New file.
2694 * config/avr/t-multilib: New auto-generated file.
2695 * config/avr/multilib.h: New auto-generated file.
2696 * config/avr/t-avr (AVR_MCUS): New variable.
2697 (genopt.sh): Use it.
2698 (s-mlib): Depend on t-multilib.
2699 (t-multilib, multilib.h): New dependencies.
2700 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2701 (MULTILIB_OPTIONS): Remove.
2702 (MULTILIB_MATCHES): Remove.
2703 (MULTILIB_DIRNAMES): Remove.
2704 (MULTILIB_EXCEPTIONS): Remove:
2705 * config/avr/genopt.sh: Don't use hard coded file name;
2706 pass AVR_MCUS from t-avr instead.
2708 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2710 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2712 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2714 Implement light-weight DImode support.
2715 * config/avr/avr-dimode.md: New file.
2716 * config/avr/avr.md: Include it.
2717 (adjust_len): Add plus64, compare64.
2718 (HIDI): Remove code iterator.
2719 (code_stdname): New code attribute.
2720 (rotx, rotsmode): Remove DI.
2721 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2723 * config/avr/avr-protos.h (avr_have_dimode): New.
2724 (avr_out_plus64, avr_out_compare64): New.
2725 * config/avr/avr.c (avr_out_compare): Handle DImode.
2726 (avr_have_dimode): New variable definition and initialization.
2727 (avr_out_compare64, avr_out_plus64): New functions.
2728 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2729 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2730 (avr_compare_pattern): Skip DImode comparisons.
2732 2012-01-02 Revital Eres <revital.eres@linaro.org>
2734 * ddg.c (def_has_ccmode_p): New function.
2735 (add_cross_iteration_register_deps,
2736 create_ddg_dep_from_intra_loop_link): Call it.
2738 2012-01-02 Richard Guenther <rguenther@suse.de>
2741 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2743 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2745 * gcc.c (process_command): Update copyright notice dates.
2746 * gcov.c (print_version): Likewise.
2747 * gcov-dump.c (print_version): Likewise.
2748 * mips-tfile.c (main): Likewise.
2749 * mips-tdump.c (main): Likewise.
2751 2012-01-01 Ira Rosen <irar@il.ibm.com>
2753 PR tree-optimization/51704
2754 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2755 a use is inside the basic block or loop before accessing its vect info.
2757 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2759 PR rtl-optimization/51069
2760 * cfgloopmanip.c (remove_path): Removing path making irreducible
2761 region unconditional makes BB part of the region.
2763 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2765 PR tree-optimization/51683
2766 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2767 calls with side-effects.
2768 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2770 Copyright (C) 2012 Free Software Foundation, Inc.
2772 Copying and distribution of this file, with or without modification,
2773 are permitted in any medium without royalty provided the copyright
2774 notice and this notice are preserved.