1 2012-02-20 Richard Guenther <rguenther@suse.de>
3 PR tree-optimization/52298
4 * tree-vect-stmts.c (vectorizable_store): Properly use
5 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
7 (vectorizable_load): Likewise.
8 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
9 Access DR_STEP after ensuring it is not NULL.
11 2012-02-20 Jakub Jelinek <jakub@redhat.com>
13 PR tree-optimization/52286
14 * fold-const.c (fold_binary_loc): For (X & C1) | C2
15 optimization use double_int_to_tree instead of build_int_cst_wide,
16 rewrite to use double_int vars.
18 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
21 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
23 Remove -e 0 from $gcc_cv_ld invocation.
24 Only use __GLIBC_PREREQ if defined.
25 Enable on Solaris since Solaris 8 patch.
26 (gcc_SUN_LD_VERSION): New macro.
27 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
28 gcc_SUN_LD_VERSION for version number format.
29 * configure: Regenerate.
30 * varasm.c (get_elf_initfini_array_priority_section): Set
31 SECTION_NOTYPE for non-default priority.
32 Use get_section instead of get_unnamed_section to emit
33 .init_array/.fini_array with default priority.
35 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
37 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
38 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
39 (mips_start_unique_function, mips_output_mips16_rdhwr)
40 (mips_code_end): New functions.
41 (TARGET_ASM_CODE_END): Define.
43 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
45 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
46 to stubs with non-sibling calls.
48 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
50 * doc/invoke.texi (-fira-* options): Copy-edit.
51 (ira-* parameters): Copy-edit.
53 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
55 * doc/invoke.texi: Minor copy-edits to bring into conformance with
56 GCC coding conventions.
58 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
60 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
61 when used as adjectives.
63 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
65 * doc/invoke.texi: Clean up "that"/"which" confusion.
67 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
69 * system.h: Poison SMALL_REGISTER_CLASSES
70 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
71 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
73 2012-02-16 Jakub Jelinek <jakub@redhat.com>
75 PR tree-optimization/52285
76 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
77 when deciding if a call is a tail call or tail recursion.
79 2012-02-16 Kai Tietz <ktietz@redhat.com>
81 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
82 interger-constant displacement for UNSPEC_PCREL.
84 2012-02-16 Jakub Jelinek <jakub@redhat.com>
86 PR rtl-optimization/52208
87 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
88 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
90 PR tree-optimization/52255
91 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
92 loop->header has virtual PHI, but exit_e->dest doesn't, add
93 virtual PHI to exit_e->dest and adjust all uses after the loop.
96 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
97 children with clone_tree_hash, not after it.
99 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
101 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
102 extended identifiers.
104 2012-02-16 Jakub Jelinek <jakub@redhat.com>
107 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
108 a same_body_alias, also test whether e->callee isn't a former
109 or current clone of the decl this is a same body alias of.
112 * cgraphunit.c (verify_cgraph_node): Fix a typo.
114 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
116 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
118 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
121 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
122 force_reg instead of copy_to_reg for better optimization. Force
123 non-register or memory operands into a register.
125 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
127 * extend.texi: Reserve upper bits of memory model for future use.
129 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
130 Anatoly Sokolov <aesok@post.ru>
131 Eric Weddington <eric.weddington@atmel.com>
134 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
135 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
136 Rewrite initializers for .macro.
137 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
138 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
139 atxmega32d4, atxmega32x1.
140 avrxmega4: atxmega64a3, atxmega64d3.
141 avrxmega5: atxmega64a1, atxmega64a1u.
142 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
143 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
144 avrxmega7: atxmega128a1, atxmega128a1u.
145 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
146 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
147 (struct base_arch_s): Rename reserved to xmega_p.
148 Rename reserved2 to have_rampd.
149 (AVR_XMEGA): New define.
150 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
151 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
152 * config/avr/predicates.md (io_address_operand): Take into
154 (low_io_address_operand): Ditto.
155 (high_io_address_operand): Ditto.
156 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
157 (enabled, movhi_sp_r): Use them.
158 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
159 cpp_define_formatted to built-in define __AVR_ARCH__.
160 (__AVR_XMEGA__): New built-in define.
161 (__AVR_HAVE_RAMPD__): New built-in define.
162 (__AVR_HAVE_RAMPX__): New built-in define.
163 (__AVR_HAVE_RAMPY__): New built-in define.
164 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
166 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
167 (avr_option_override): Initialize them.
168 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
169 (avr_init_expanders): Initialize them. No more block several calls.
170 (emit_push_sfr): New static function.
171 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
173 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
174 (avr_print_operand): Print addreeses as symbols for
175 RAMPX, RAMPY, RAMPD, CCP.
176 (output_movhi): Handle AVR_XMEGA when writing to SP.
177 (avr_out_movhi_mr_r_xmega): New static function.
178 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
179 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
180 __RAMPD__, __CCP__ as needed.
182 * config/avr/multilib.h: Regenerate.
183 * config/avr/t-multilib: Regenerate.
184 * config/avr/avr-tables.opt: Regenerate.
186 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
188 PR tree-optimization/50561
189 * graphite-flattening.c (lst_project_loop): Do not
190 remove old scattering dimensions after flattening.
191 (lst_do_flatten): Likewise.
193 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
195 * doc/extend.texi (AVR Built-in Functions): Remove doc for
196 __builtin_avr_map8, __builtin_avr_map16.
197 Document __builtin_avr_insert_bits.
199 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
200 (insert_bits): New insn.
201 (adjust_len.map_bits): Rename to insert_bits.
202 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
203 * avr-protos.h (avr_out_map_bits): Remove.
204 (avr_out_insert_bits, avr_has_nibble_0xf): New.
205 * config/avr/constraints.md (Cxf,C0f): New.
206 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
207 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
208 New built-in define __BUILTIN_AVR_INSERT_BITS.
209 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
210 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
211 (avr_move_bits): Rewrite.
212 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
214 (avr_map_op_t): New typedef.
215 (avr_map_op): New static variable.
216 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
217 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
218 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
219 (bdesc_3arg, avr_expand_triop_builtin): New.
220 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
221 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
222 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
223 (avr_map_equal_p, avr_map_sig_p): Remove.
224 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
225 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
226 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
227 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
228 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
229 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
231 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
233 * config/c6x/c6x.md (reserve_cycles): New attribute.
234 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
235 don't reserve functional units after the branch occurs.
237 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
240 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
241 functions into non-tm_pure functions.
243 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
246 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
247 (iterative_hash_canonical_type): Likewise.
248 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
251 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
253 * haifa-sched.c (prune_ready_list): Ensure that if there is a
254 sched-group insn, it either remains alone or the entire list is
257 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
259 * doc/install.texi (Prerequisites): Fix grammar.
260 (Configuration): Likewise.
262 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
264 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
265 MPC as part of GCC before describing configuring with --with-gmp etc.
266 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
269 2012-02-14 Jakub Jelinek <jakub@redhat.com>
272 * dwarf2out.c (clone_tree_hash): New function.
273 (copy_decls_walk): Use it instead of clone_tree.
275 2012-02-14 Richard Guenther <rguenther@suse.de>
277 PR tree-optimization/52244
278 PR tree-optimization/51528
279 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
280 replacements for integral types.
282 2012-02-14 Walter Lee <walt@tilera.com>
284 * config.gcc: Handle tilegx and tilepro.
285 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
287 Add HAVE_AS_TLS check for tilegx and tilepro.
288 * configure: Regenerate.
289 * doc/contrib.texi: Add Mat Hostetter and self.
290 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
291 Document instruction intrinsics and network accessing intrinsics.
292 (TILEPro Built-in Functions): New node. Document instruction
293 intrinsics and network accessing intrinsics.
294 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
295 (Specific, tilepro-*-linux*): Likewise.
296 * doc/invoke.texi (TILE-Gx Options): New section.
297 (TILEPro Options): New section.
298 * doc/md.texi (TILE-Gx): New section.
299 (TILEPro): New section.
300 * common/config/tilegx/tilegx-common.c: New file.
301 * common/config/tilepro/tilepro-common.c: New file.
302 * config/tilegx/constraints.md: New file.
303 * config/tilegx/linux.h: New file.
304 * config/tilegx/mul-tables.c: New file.
305 * config/tilegx/predicates.md: New file.
306 * config/tilegx/sync.md: New file.
307 * config/tilegx/t-tilegx: New file.
308 * config/tilegx/tilegx-builtins.h: New file.
309 * config/tilegx/tilegx-c.c: New file.
310 * config/tilegx/tilegx-generic.md: New file.
311 * config/tilegx/tilegx-modes.def: New file.
312 * config/tilegx/tilegx-multiply.h: New file.
313 * config/tilegx/tilegx-protos.h: New file.
314 * config/tilegx/tilegx.c: New file.
315 * config/tilegx/tilegx.h: New file.
316 * config/tilegx/tilegx.md: New file.
317 * config/tilegx/tilegx.opt: New file.
318 * config/tilepro/constraints.md: New file.
319 * config/tilepro/gen-mul-tables.cc: New file.
320 * config/tilepro/linux.h: New file.
321 * config/tilepro/mul-tables.c: New file.
322 * config/tilepro/predicates.md: New file.
323 * config/tilepro/t-tilepro: New file.
324 * config/tilepro/tilepro-builtins.h: New file.
325 * config/tilepro/tilepro-c.c: New file.
326 * config/tilepro/tilepro-generic.md: New file.
327 * config/tilepro/tilepro-modes.def: New file.
328 * config/tilepro/tilepro-multiply.h: New file.
329 * config/tilepro/tilepro-protos.h: New file.
330 * config/tilepro/tilepro.c: New file.
331 * config/tilepro/tilepro.h: New file.
332 * config/tilepro/tilepro.md: New file.
333 * config/tilepro/tilepro.opt: New file.
335 2012-02-14 Jakub Jelinek <jakub@redhat.com>
337 PR tree-optimization/52210
338 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
339 vect_model_simple_cost with two entry vect_def_type array instead
342 2012-02-14 Richard Guenther <rguenther@suse.de>
345 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
346 Do not stream DECL_QUALIFIER.
347 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
348 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
349 (find_decls_types_r): Do not walk DECL_QUALIFIER.
351 2012-02-14 Jakub Jelinek <jakub@redhat.com>
354 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
357 2012-02-13 Jakub Jelinek <jakub@redhat.com>
360 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
361 * cselib.c (cselib_subst_to_values_from_insn): New function.
362 * sched-deps.c (add_insn_mem_dependence,
363 sched_analyze_1, sched_analyze_2): Use it.
365 2012-02-13 Jan Hubicka <jh@suse.cz>
368 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
370 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
372 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
373 (GTM_SELF_SPECS): Define if not already defined.
374 (driver_self_specs): Add GTM_SELF_SPECS.
375 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
376 (GTM_SELF_SPECS): Define.
377 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
378 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
380 2012-02-13 Jakub Jelinek <jakub@redhat.com>
382 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
385 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is
389 * omp-low.c (expand_omp_for): If a static schedule without
390 chunk size has NULL region->cont, force fd.chunk_size to be
393 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
396 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
398 2012-02-13 Richard Guenther <rguenther@suse.de>
401 * passes.c (enable_disable_pass): Fix typo.
403 2012-02-13 Jakub Jelinek <jakub@redhat.com>
406 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
407 XOR for reduce_bit_field if type is unsigned.
409 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
411 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
412 disallow changes from SFmode to mode with different size in FP regs.
414 2012-02-12 Robert Millan <rmh@gnu.org>
415 Gerald Pfeifer <gerald@pfeifer.com>
417 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
420 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
422 PR rtl-optimization/52175
423 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
424 to frame-related instructions.
426 2012-02-10 Jason Merrill <jason@redhat.com>
429 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
430 (demangle_new_symbols): Fill it.
431 (scan_linker_output): Walk it.
432 (start_tweaking): Split out from scan_linker_output.
433 (maybe_tweak): Update sym->chosen.
434 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
436 2012-02-11 Jakub Jelinek <jakub@redhat.com>
439 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
442 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
444 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
445 having the same mode as previous compare.
447 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
449 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
450 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
451 (nonlocal_goto_internal): Likewise.
452 (nonlocal_goto): Emit a use and an indirect jump directly.
454 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
457 * doc/extend.texi : Update comments for __atomic_compare_exchange and
458 __atomic_{is,always}_lock_free.
460 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
463 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
464 negative constant address for x32.
466 2012-02-10 Richard Henderson <rth@redhat.com>
468 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
469 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
470 for GIMPLE_TRANSACTION. Tidy if's into a switch.
472 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
473 Ira Rosen <irar@il.ibm.com>
475 PR tree-optimization/50031
476 * targhooks.c (default_builtin_vectorization_cost): Handle
478 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
479 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
480 all types of reduction and pattern statements.
481 (vect_estimate_min_profitable_iters): Likewise.
482 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
483 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
484 for explicit realigns.
485 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
486 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
488 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
489 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
490 vec_perm for VSX and handle vec_promote_demote.
492 2012-02-10 Jakub Jelinek <jakub@redhat.com>
495 * builtins.c (fold_builtin_atomic_always_lock_free,
496 expand_builtin_atomic_always_lock_free,
497 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
498 Return and/or test boolean_true_node/boolean_false_node instead of
499 integer_one_node/integer_zero_node.
501 2012-02-10 Jan Hubicka <jh@suse.cz>
504 * predict.c (predict_paths_for_bb): Prevent looping.
505 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
507 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
509 * config/arm/arm.c (output_move_double): In one case properly
510 count number of instructions that will be emitted.
512 2012-02-10 Richard Guenther <rguenther@suse.de>
515 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
517 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
520 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
522 2012-02-09 Jakub Jelinek <jakub@redhat.com>
525 * var-tracking.c (emit_note_insn_var_location): If
526 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
527 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
528 non-NOTE_DURING_CALL_P insn.
530 2012-02-09 Bin Cheng <bin.cheng@arm.com>
533 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
535 2012-02-08 Magnus Granberg <zorry@gentoo.org>
538 * gcc.c (switch_matches) Support switches with separated form,
541 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
543 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
546 * config/avr/avr.c (avr_addr_t): New typedef.
547 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
548 (avr_init_expanders): Initialize it.
549 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
551 (expand_epilogue): Ditto.
552 (avr_print_operand): Ditto.
553 (avr_file_start): Ditto.
554 (avr_emit_movmemhi): Ditto.
556 2012-02-08 Richard Guenther <rguenther@suse.de>
558 PR tree-optimization/46886
559 * tree-flow.h (do_while_loop_p): Declare.
560 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
561 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
563 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
565 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
566 always succeed for integers larger than a native word.
568 2012-02-08 Richard Guenther <rguenther@suse.de>
570 PR rtl-optimization/52170
571 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
572 properly handle integer vector modes.
574 2012-02-08 Jakub Jelinek <jakub@redhat.com>
576 PR gcov-profile/52150
577 * coverage.c: Include target.h.
578 (build_var): Call targetm.strip_name_encoding on the assembler name.
579 Change one _ into . or $ if the target allows it.
580 * Makefile.in (coverage.o): Depend on $(TARGET_H).
582 PR rtl-optimization/52139
583 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
584 is a BARRIER after emit_insn_after_noloc, move BB_END
585 to the last non-BARRIER insn before it.
587 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
590 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
591 (mips_gimplify_va_arg_expr): Call it instead of
592 std_gimplify_va_arg_expr.
594 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
596 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
597 message for -mno-pointers-to-nested-function.
599 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
602 * expr.c (get_inner_reference): If there is an offset, add a negative
603 bit position to it (if any).
605 2012-02-07 Jakub Jelinek <jakub@redhat.com>
607 PR rtl-optimization/52060
608 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
609 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
610 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
611 and/or i0src_copy2 when needed.
613 2012-02-07 Jakub Jelinek <jakub@redhat.com>
615 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
616 or LTOPLUGINSONAME if have_c.
618 * config/freebsd-spec.h: Add comment about what macros can be defined
620 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
621 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
624 2012-02-07 Richard Guenther <rguenther@suse.de>
626 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
627 newline in -alias dumps.
629 2012-02-07 Kai Tietz <ktietz@redhat.com>
630 Dave Korn <dave.korn.cygwin@gmail.com>
633 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
634 Take care that typinfo gets dllexport-attribute.
636 2012-02-07 Jakub Jelinek <jakub@redhat.com>
639 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
640 if modifier < EXPAND_SUM call force_operand on the result.
642 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
644 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
645 adding __forwarder_dst__ prefix if a forwarder_section attribute is
647 (epiphany_function_type): Replace types for specific interrupts with
648 EPIPHANY_FUNCTION_INTERRUPT.
649 (EPIPHANY_INTERRUPT_P): Update.
650 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
652 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
653 <disinterrupt>: Affects type identity.
654 (epiphany_handle_interrupt_attribute): Handle variable number of
656 (epiphany_compute_function_type): Update for new
657 epiphany_function_type definition.
658 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
659 handlers with a longcall forwarder.
660 (epiphany_start_function): Handle multiple interrupt arguments and/or
661 forwarder_section attribute.
663 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
666 2012-02-07 Alan Modra <amodra@gmail.com>
669 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
672 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
674 PR tree-optimization/50969
675 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
676 use vec_perm rather than vector_stmt.
677 (vect_model_load_cost): Likewise.
678 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
679 vec_perm to be the same as other vector statements.
680 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
681 cost of vec_perm for TARGET_VSX.
683 2012-02-06 Richard Guenther <rguenther@suse.de>
685 PR tree-optimization/52115
686 * tree-sra.c (access_has_replacements_p): New function.
687 (sra_modify_assign): Use it to decide whether a use is uninitialized.
689 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
692 * trans-mem.c (expand_call_tm): Add an assertion.
693 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
696 2012-02-06 Richard Guenther <rguenther@suse.de>
698 PR tree-optimization/50955
699 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
700 raise cost of expressions that replace an address with an
701 expression based on a different pointer.
703 2012-02-06 Jakub Jelinek <jakub@redhat.com>
706 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
707 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
709 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
712 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
713 -Weffc++ and specify guidelines come from second edition.
715 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
717 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
718 (sibcall_value_multiple_internal, call_split, call_internal_direct)
719 (call_direct_split, call_value_split, call_value_internal_direct)
720 (call_value_direct_split, call_value_multiple_split): Use jal and
721 jal_macro attributes.
723 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
725 * reload1.c (reload_regs_reach_end_p): Replace with...
726 (reload_reg_rtx_reaches_end_p): ...this function.
727 (new_spill_reg_store): Update commentary.
728 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
729 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
730 before setting new_spill_reg_store.
731 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
732 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
733 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
734 for non-spill reload registers.
736 2012-02-05 Ira Rosen <irar@il.ibm.com>
738 PR tree-optimization/52091
739 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
740 (vect_is_simple_use_1): Likewise.
741 * tree-vect-loop.c (vectorizable_reduction): Update calls
742 to vect_is_simple_use_1 and vect_is_simple_use.
743 (vectorizable_live_operation): Likewise.
744 * tree-vect-patterns.c (widened_name_p,
745 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
746 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
747 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
748 vectorizable_shift,vectorizable_operation, vectorizable_store,
749 vectorizable_load): Likewise.
750 (vect_is_simple_cond): Add an argument, pass it to
751 vect_is_simple_use_1.
752 (vectorizable_condition): Update calls to vect_is_simple_cond,
754 (vect_is_simple_use): Add an argument, the statement in which
755 OPERAND is used. Check that if OPERAND's def stmt is a double
756 reduction phi node, the use is a phi node too.
757 (vect_is_simple_use_1): Add an argument, pass it to
759 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
760 to vect_is_simple_use.
762 2012-02-04 Jakub Jelinek <jakub@redhat.com>
764 PR rtl-optimization/52095
765 * modulo-sched.c (dump_insn_locator): New function.
766 (loop_canon_p, sms_schedule): Use it.
768 PR rtl-optimization/52113
769 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
770 even for decomposable shift/zext insns.
772 2012-02-03 Jakub Jelinek <jakub@redhat.com>
773 Zdenek Dvorak <ook@ucw.cz>
775 PR rtl-optimization/52092
776 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
777 on get_iv_value result.
779 2012-02-02 Andrew Pinski <apinski@cavium.com>
783 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
785 2012-02-02 Jakub Jelinek <jakub@redhat.com>
788 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
790 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
792 PR rtl-optimization/49800
793 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
794 (sched_finish): Call regstat_free_n_sets_and_refs.
796 2012-02-02 Jia Liu <proljc@gmail.com>
798 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
801 2012-02-02 Jan Hubicka <jh@suse.cz>
802 Tom de Vries <tom@codesourcery.com>
805 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
806 * varpool.c (varpool_analyze_pending_decls): Likewise.
808 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
809 Jayant R Sonar <jayant.sonar@kpitcummins.com>
811 * config.gcc: Add cr16-* support.
813 * doc/extend.texi: Document cr16 extensions.
814 * doc/install.texi: Document cr16 install.
815 * doc/invoke.texi: Document cr16 options.
816 * doc/md.texi: Document cr16 constraints.
818 * common/config/cr16/cr16-common.c: New file.
819 * config/cr16/cr16.c: New file.
820 * config/cr16/cr16.h: New file.
821 * config/cr16/cr16.md: New file.
822 * config/cr16/cr16.opt: New file.
823 * config/cr16/cr16-protos.h: New file.
824 * config/cr16/predicates.md: New file.
825 * config/cr16/constraints.md: New file.
826 * config/cr16/t-cr16: New file.
828 2012-02-02 Jakub Jelinek <jakub@redhat.com>
831 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
832 that operands[2] is either immediate, or q_regs_operand.
834 PR tree-optimization/52073
835 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
836 a pattern stmt for pattern uses, ignore uses outside of the loop.
838 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
840 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
841 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
842 (OUT_AS1, OUT_AS2): Remove.
844 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
846 PR rtl-optimization/51374
847 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
848 to cross other volatile_refs_p insns.
850 2012-02-01 Richard Guenther <rguenther@suse.de>
852 * doc/invoke.texi (fno-inline): Clarify documentation.
853 (finline-small-functions): Likewise.
854 (finline-functions): Likewise.
855 * common.opt (finline): Adjust comment and documentation.
856 (finline-small-functions): Clarify documentation.
857 (finline-functions): Likewise.
858 (finline-functions-called-once): Likewise.
860 2012-02-01 Tristan Gingold <gingold@adacore.com>
862 * c-typeck.c (composite_type): Keep mode for pointers.
864 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
866 * function.h (regno_reg_rtx): Adjust comment.
867 * reginfo.c (init_reg_modes_target): Only use the previous mode
868 if it fits within one register. Remove MIPS comment.
870 2012-01-31 Jakub Jelinek <jakub@redhat.com>
873 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
875 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
877 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
880 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
882 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
884 2012-01-31 Jakub Jelinek <jakub@redhat.com>
889 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
891 2012-01-31 Richard Guenther <rguenther@suse.de>
893 PR tree-optimization/51528
894 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
897 2012-01-31 Jakub Jelinek <jakub@redhat.com>
902 * ree.c (add_removable_extension): Change def_map argument
903 to unsigned *, store in def_map 1 + offset into *insn_list vector
904 instead of pointers into the vector.
905 (find_removable_extensions): Adjust caller.
907 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
909 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
910 Transform all "* quoted-c-code" to { c-code }.
911 Remove redundant test for "optimize" in combine patterns.
912 Move (include "avr-dimode.md") to end of file.
914 2012-01-30 Bin Cheng <bin.cheng@arm.com>
917 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
918 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
920 2012-01-30 Richard Guenther <rguenther@suse.de>
922 PR tree-optimization/52028
923 * tree-loop-distribution.c (ldist_gen): Properly update
926 2012-01-30 Jakub Jelinek <jakub@redhat.com>
929 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
930 set_cur_line_info_table if not emitting debug info.
932 PR tree-optimization/52046
933 * tree-vect-patterns.c (check_bool_pattern): Give up if
934 a comparison could throw.
937 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
939 2012-01-30 Richard Guenther <rguenther@suse.de>
941 PR tree-optimization/52045
942 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
943 SSA form if cfgcleanup did anything.
945 2012-01-30 Richard Guenther <rguenther@suse.de>
947 PR tree-optimization/52045
948 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
949 before computing final todo.
951 2012-01-30 Richard Guenther <rguenther@suse.de>
953 PR tree-optimization/51528
954 * tree-sra.c (sra_modify_assign): Re-factor in preparation
957 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
959 * df-problems.c (df_kill_notes): Check that the use refers
960 to the note under examination.
962 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
965 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
966 parameter and use short-lived pseudos.
967 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
968 (sparc_expand_vector_init): Const-ify local variables and adjust
969 calls to above functions.
971 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
973 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
975 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
977 * doc/invoke.texi: Make usage of "compile time" and
978 "run time"/"runtime" consistent throughout the file.
980 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
982 * config/alpha/alpha.c (alpha_option_override): Default to
983 full IEEE compliance mode for Go language.
985 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
987 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
988 (LINK_SSP_SPEC): Define.
990 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
993 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
996 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
998 * doc/invoke.texi: Correct hyphenation of "floating point",
999 "double precision", and related terminology throughout the file.
1001 2012-01-28 Jakub Jelinek <jakub@redhat.com>
1004 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
1005 arm_general_register_operand predicate for operand 2 instead of
1008 2012-01-27 Ian Lance Taylor <iant@google.com>
1011 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
1012 * builtins.c (expand_builtin_init_trampoline): Add onstack
1013 parameter. Change caller.
1014 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
1015 * tree.c (build_common_builtin_nodes): Declare
1016 __builtin_init_heap_trampoline.
1018 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
1020 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
1021 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
1022 * config/avr/avr.c: Ditto.
1023 (avr_regnames): Remove because unused.
1024 * config/avr/avr.md (*cpse.ne): New peephole.
1025 (*cpse.eq): New peephole from former cpse peepholes.
1027 2012-01-27 Michael Eager <eager@eagercon.com>
1029 * config/microblaze.c (microblaze_emit_compare): Correct
1030 test after pcmp instruction.
1032 2012-01-27 Richard Guenther <rguenther@suse.de>
1034 PR tree-optimization/52020
1035 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
1037 2012-01-27 Richard Guenther <rguenther@suse.de>
1039 * ipa-pure-const.c (check_stmt): Clobbers do not make a
1040 function non-const/pure.
1042 2012-01-27 Richard Guenther <rguenther@suse.de>
1044 PR tree-optimization/50444
1045 * tree-sra.c (build_ref_for_offset): Properly adjust the
1046 MEM_REF type for unaligned accesses.
1048 2012-01-27 Richard Guenther <rguenther@suse.de>
1050 PR tree-optimization/50444
1051 * expr.c (mem_ref_refers_to_non_mem_p): New function.
1052 (expand_assignment): Use it. Properly handle misaligned
1053 bases when expanding stores to component references.
1054 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1057 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
1060 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1061 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1062 * tree-data-ref.c (find_data_references_in_loop): Make static.
1063 (compute_all_dependences): Change return type to bool. Bail out
1064 for too many datarefs in a loop. Move the hunk resetting the data
1065 dependences vector from ...
1066 (compute_data_dependences_for_loop): ... here. Account for
1067 compute_all_dependences returning false.
1068 (compute_data_dependences_for_bb): Likewise.
1069 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1070 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1072 2012-01-27 Richard Guenther <rguenther@suse.de>
1075 * expr.c (store_field): Use the alias-set of the scratch memory
1078 2012-01-27 Tom de Vries <tom@codesourcery.com>
1080 PR tree-optimization/51990
1081 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1083 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1085 2012-01-27 Jakub Jelinek <jakub@redhat.com>
1088 * var-tracking.c (reverse_op): Don't add any reverse operation
1089 if V already has any constant locations.
1091 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1093 * doc/invoke.texi: Correct usage of "command line" (noun)
1094 vs "command-line" (adjective) throughout.
1096 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1098 * doc/invoke.texi (Language Independent Options): Move
1099 -Wcoverage-mismatch blurb from here....
1100 (Warning Options): ...to here.
1102 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
1104 * config/rs6000/rs6000.c (rs6000_option_override_internal):
1105 Set rs6000_always_hint to false for 476.
1107 2012-01-27 Matthias Klose <doko@ubuntu.com>
1109 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1111 * incpath.c (add_standard_paths): Likewise.
1113 2012-01-27 Richard Henderson <rth@redhat.com>
1115 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1116 * config/m68k/sync.md (atomic_test_and_set): Rename from
1117 sync_test_and_setqi and adjust the operands.
1118 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1119 and unconditionally enable.
1121 2012-01-27 Richard Henderson <rth@redhat.com>
1123 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1124 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1125 (ldstub): Rename from ldstubqi.
1126 (ldstub<I24MODE>): Remove.
1128 2012-01-27 Richard Henderson <rth@redhat.com>
1130 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1131 * c-cppbuiltin.c (cpp_atomic_builtins): Define
1132 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1133 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1134 * doc/tm.texi: Rebuild.
1136 2012-01-27 Richard Henderson <rth@redhat.com>
1138 * optabs.c (gen_atomic_test_and_set): Remove default.
1139 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1141 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1143 PR rtl-optimization/51978
1144 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1145 (combine_reaching_defs): Likewise.
1146 (struct re_info): Remove.
1147 (add_removable_extension): Remove x and data arguments,
1148 add insn, insn_list and def_map. Use the arguments directly
1149 instead of using struct re_info.
1150 (find_removable_extensions): Don't call add_removable_extension
1151 through note_stores, instead just call it with single_set
1153 (find_and_remove_re): Pass curr_cand->expr instead of
1154 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1156 2012-01-26 Michael Matz <matz@suse.de>
1158 PR tree-optimization/46590
1159 * cfgexpand.c: Revert last change (r183305).
1160 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1162 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1163 checking for emptiness.
1165 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1168 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1169 non-addressable non-BLKmode base correctly.
1171 2012-01-26 Michael Matz <matz@suse.de>
1173 PR tree-optimization/48794
1174 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1175 regions referenced from RESX/EH_DISPATCH.
1177 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1179 * config/s390/s390.h: Make BRANCH_COST an option.
1180 * config/s390/s390.opt: New option -mbranch-cost.
1182 2012-01-26 Richard Henderson <rth@redhat.com>
1184 Revert 2012-01-24 change:
1185 * trans-mem.c (requires_barrier): Do not instrument thread local
1186 variables and emit save/restore for them.
1188 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1191 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1194 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
1196 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1199 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
1202 Rename __pgm to __flash.
1203 Rename __pgm1 to __flash1.
1204 Rename __pgm2 to __flash2.
1205 Rename __pgm3 to __flash3.
1206 Rename __pgm4 to __flash4.
1207 Rename __pgm5 to __flash5.
1208 Rename __pgmx to __memx.
1209 * doc/extend.texi (AVR Named Address Spaces)
1210 Rename address space names as indicated above.
1211 * config/avr/avr.c (avr_addrspace): Ditto.
1213 * config/avr/avr-protos.h
1214 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1215 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1216 * config/avr/predicates.md: Ditto.
1217 * config/avr/avr.c Ditto, and
1218 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1219 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1221 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1222 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1223 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1224 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1225 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1226 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1227 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1228 * config/avr/avr.c: Ditto.
1229 * config/avr/avr.md: Ditto.
1231 2012-01-25 Jason Merrill <jason@redhat.com>
1234 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1236 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1238 PR tree-optimization/51987
1239 * tree-data-ref.c (get_references_in_stmt): Handle references in
1240 non-volatile GIMPLE_ASM.
1242 2012-01-25 Richard Guenther <rguenther@suse.de>
1244 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1245 bases are dereferenced.
1247 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1249 PR rtl-optimization/48374
1250 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1252 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1254 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1255 compute_data_dependences_for_loop returns false.
1256 * tree-parloops.c (loop_parallel_p): Likewise.
1258 2012-01-25 Richard Guenther <rguenther@suse.de>
1260 * tree.h (get_pointer_alignment_1): Declare.
1261 * builtins.c (get_pointer_alignment_1): New function.
1262 (get_pointer_alignment): Use it.
1264 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1266 PR rtl-optimization/48308
1267 * combine.c (enum undo_kind): Add UNDO_LINKS.
1268 (struct undo): Add member l to other_contents and where.
1269 (do_SUBST_LINK): New.
1271 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1272 (undo_all): Handle UNDO_LINKS.
1274 2012-01-25 Richard Henderson <rth@redhat.com>
1276 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1279 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1281 * optabs.c (gen_atomic_test_and_set): Use each argument.
1283 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1285 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1286 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1287 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1288 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1289 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1290 TARGET_PAIRED_SINGLE_FLOAT.
1292 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1294 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1295 (in_struct, return_val): Remove MEM documentation.
1296 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1297 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1298 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1300 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1301 * cfgexpand.c (add_alias_set_conflicts): Likewise.
1302 * expr.c (store_field): Likewise.
1303 * function.c (assign_stack_temp_for_type): Likewise.
1304 * ifcvt.c (noce_try_cmove_arith): Likewise.
1305 * reload1.c (reload): Likewise.
1306 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1307 (alpha_set_memflags): Likewise.
1308 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1310 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1312 * rtl.h (true_dependence, canon_true_dependence): Remove varies
1314 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1315 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1316 (true_dependence_1, true_dependence, canon_true_dependence): Remove
1318 * cselib.c (cselib_rtx_varies_p): Delete.
1319 (cselib_invalidate_mem): Update call to canon_true_dependence.
1320 * dse.c (record_store, check_mem_read_rtx): Likewise.
1321 (scan_reads_nospill): Likewise.
1322 * cse.c (check_dependence): Likewise.
1323 (cse_rtx_varies_p): Delete.
1324 * expr.c (safe_from_p): Update call to true_dependence.
1325 * ira.c (validate_equiv_mem_from_store): Likewise.
1326 (memref_referenced_p): Likewise.
1327 * postreload-gcse.c (find_mem_conflicts): Likewise.
1328 * sched-deps.c (sched_analyze_2): Likewise.
1329 * store-motion.c (load_kills_store): Likewise.
1330 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1331 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1332 (compute_transp): Update call to canon_true_dependence.
1334 2012-01-25 Richard Henderson <rth@redhat.com>
1336 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1337 (maybe_emit_atomic_test_and_set): New.
1338 (expand_sync_lock_test_and_set): Use it.
1339 (expand_atomic_test_and_set): Likewise.
1340 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1341 the implementation; clarify implementation defined details.
1342 * doc/md.texi (atomic_test_and_set): Document.
1344 2012-01-25 Richard Henderson <rth@redhat.com>
1346 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1348 2012-01-25 Richard Henderson <rth@redhat.com>
1351 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1352 to effect no-op split.
1354 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1357 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1358 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1359 (BT_FN_VOID_PTR_INT_SIZE): New.
1360 (BT_FN_UINT_UINT_VAR): Remove.
1361 (BT_FN_UINT32_UINT32_VAR): New.
1362 (BT_FN_DOUBLE_VPTR): Remove.
1363 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1365 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1366 (_ITM_changeTransactionMode): Same.
1367 (_ITM_memmoveRtWt): Change return type to void.
1368 (_ITM_memcpyRtWt): Same.
1369 (_ITM_memsetW): Same.
1370 (_ITM_RaRD): Change types to double.
1375 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1377 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1378 Patrick Marlier <patrick.marlier@gmail.com>
1380 * trans-mem.c (requires_barrier): Do not instrument thread local
1381 variables and emit save/restore for them.
1383 2012-01-24 Jason Merrill <jason@redhat.com>
1386 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1387 output static aliases.
1389 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1392 * common.opt (-pie, -shared, pie, shared): Change from Common to
1394 * gcc.c (display_help): Display help for -pie and -shared.
1396 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1399 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1400 Remove note on size/offset limitation.
1401 (AVR Variable Attributes): Add example how to read data located
1402 with progmem. Refer to named address spaces.
1403 * doc/invoke.texi (AVR Options): Fix typo.
1405 2012-01-24 Richard Guenther <rguenther@suse.de>
1407 Forward-port to trunk
1408 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1411 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1412 op0 isn't sufficiently aligned and there is movmisalignM
1413 insn for mode, use it to load op0 into a temporary register.
1415 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1418 * target.def (const_not_ok_for_debug_p): New hook.
1419 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1421 * doc/tm.texi: Regenerated.
1422 * dwarf2out.c (const_ok_for_output_1): If
1423 targetm.const_not_ok_for_debug_p returns true, fail.
1424 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1426 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1428 2012-01-23 Kai Tietz <ktietz@redhat.com>
1431 * config/i386/predicates.md (symbolic_operand): Allow
1432 UNSPEC_PCREL as PIC expression for lea.
1433 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1434 * config/i386/i386.c (ix86_delegitimize_address): Handle
1435 UNSPEC_PCREL for none-MEM, too.
1437 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1439 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1440 (ipa_tm_create_version_alias): Same.
1442 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1445 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1446 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1448 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1449 Patrick Marlier <patrick.marlier@gmail.com>
1450 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1453 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1454 simple_object_start_read.
1456 2012-01-23 Richard Guenther <rguenther@suse.de>
1459 PR tree-optimization/51895
1460 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1461 parameter decomposition into BLKmode components.
1463 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1465 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1466 fake variables for restrict-qualified pointers whose pointed-to type
1467 contains a placeholder.
1469 2012-01-23 Richard Guenther <rguenther@suse.de>
1471 PR tree-optimization/51949
1472 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1474 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1476 PR rtl-optimization/51933
1477 * ree.c (transform_ifelse): Return true right away if dstreg is
1478 already wider or equal to cand->mode.
1479 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1480 (make_defs_and_copies_lists): Remove defs_list and copies_list
1481 arguments, add state argument, just truncate state->work_list
1482 instead of always allocating and freeing the vector. Assert that
1483 get_defs succeeds instead of returning 2. Changed return type to bool.
1484 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1485 have ext_src_mode, see if it has been modified already with the
1486 right kind of extension and has been extended before from the
1487 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1488 just return true. Remember the original mode in state->modified array.
1489 (combine_reaching_defs): Add state argument. Don't allocate and
1490 free here def_list, copied_list and vec vectors, instead just
1491 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1492 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1493 Add state variable, clear vectors in it, initialize state.modified
1494 if needed. Free all the vectors at the end and state.modified too.
1495 Don't skip a candidate if the extension expression has been modified.
1497 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1500 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1501 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1502 (extra_options) interix.opt -> i386/interix.opt"
1503 (extra_objs):Add winnt-stubs.o
1504 * configure.ac: Add interix to target_os .comm on PE check.
1505 * configure: Regenerate.
1506 * config/interix3.h: Delete and move bits to..
1507 * config/interix.h: Delete and move bits to..
1508 * config/i386/i386-interix3.h: Delete and move bits to..
1509 * config/i386/i386-interix.h: ..here.
1510 (TARGET_CPU_DEFAULT): Remove redefinition.
1511 (TARGET_ASM_CONSTRUCTOR): Undefine.
1512 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1513 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1514 (PTRDIFF_TYPE): Define.
1515 (LONG_DOUBLE_TYPE_SIZE): Define.
1516 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1517 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1518 (TARGET_SECTION_TYPE_FLAGS): Define.
1519 (ASM_DECLARE_FUNCTION_NAME): Define.
1520 (ASM_OUTPUT_EXTERNAL): Define.
1521 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1522 (ASM_OUTPUT_ALIGNED_BSS): Define.
1523 (PCC_BITFIELD_TYPE_MATTERS): Define.
1524 (USE_CONST_SECTION): Define.
1525 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1526 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1527 (SUPPORTS_ONE_ONLY): Remove.
1528 (I386_PE_STRIP_ENCODING): Define.
1529 * config/interix.opt: Delete and move bits to..
1530 * config/i386/interix.opt: ..here. New.
1531 (mpe-aligned-commons): Add.
1532 * config/i386/t-interix: Add copyright header.
1533 (winnt-stubs.o): Add rule.
1535 2012-01-22 Jason Merrill <jason@redhat.com>
1538 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1539 for extra name aliases.
1541 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1543 PR rtl-optimization/51924
1544 * ree.c (combine_set_extension): Improve debugging message.
1545 (combine_reaching_defs): Likewise.
1546 (get_defs): Rename confusingly named variable.
1547 (find_and_remove_re): Skip a candidate if the extension expression has
1550 2012-01-21 Robert Millan <rmh@gnu.org>
1551 Gerald Pfeifer <gerald@pfeifer.com>
1553 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1554 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1556 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1558 PR tree-optimization/51914
1559 * tree-vect-stmts.c (vectorizable_conversion): For
1560 cvt_type && modifier == WIDEN, put temporary with cvt_type
1561 at the beginning of vec_dsts and set vec_dest to temporary
1564 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1566 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1568 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1570 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1571 * config/rs6000/rs6000.c: Likewise.
1573 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1576 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1577 output_move_double on a copy of operands array.
1579 2012-01-20 Cary Coutant <ccoutant@google.com>
1580 Dodji Seketeli <dodji@redhat.com>
1583 * dwarf2out.c (copy_declaration_context): Return ref to parent
1584 of declaration DIE, if necessary.
1585 (remove_child_or_replace_with_skeleton): Add new parameter; update
1586 caller. Place skeleton DIE under parent DIE of original declaration.
1587 Move call to copy_declaration_context to here ...
1588 (break_out_comdat_types): ... from here.
1590 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1592 PR rtl-optimization/51856
1593 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1596 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1599 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1600 hints for neon loads and stores.
1602 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1606 * doc/extend.texi (Named Address Spaces): Split into subsections.
1607 (AVR Named Address Spaces): New subsection.
1608 (M32C Named Address Spaces): New subsection.
1609 (RL78 Named Address Spaces): New subsection.
1610 (SPU Named Address Spaces): New subsection.
1611 (Variable Attributes): New anchor "AVR Variable Attributes".
1612 (AVR Variable Attributes): Rewrite and avoid wording
1613 "address space" in this context.
1614 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1615 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1616 (AVR Built-in Macros): New subsubsection therein.
1617 * doc/md.texi (AVR constraints): Remove "C04", "R".
1619 2012-01-20 Richard Guenther <rguenther@suse.de>
1621 PR tree-optimization/51903
1622 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1623 when removing stmts.
1625 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1628 * config/arm/arm.c (arm_load_pic_register): Use
1629 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1630 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1631 (arm_pic_static_addr): Likewise.
1632 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1633 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1634 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1635 (pic_load_addr_unified): New.
1637 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1640 * function.c (instantiate_virtual_regs_in_insn): Use
1641 delete_insn_and_edges when removing a wrong asm insn.
1643 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1645 PR rtl-optimization/40761
1646 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1647 Add new member loop_num.
1648 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1649 (ira_build): Remove the parameter.
1651 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1652 (ira.c): Do not build CFG loops for one region allocation. Remove
1653 argument from ira_build call.
1655 * ira-build.c (init_loop_tree_node): New function.
1656 (create_loop_tree_nodes): Use it. Separate the case when CFG
1657 loops are not built.
1658 (more_one_region_p): Check current_loops.
1659 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1661 (add_loop_to_tree): Process loop equal to NULL too.
1662 (form_loop_tree): Separate the case when CFG loops are not built.
1663 Use explicitly number for the root.
1664 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1666 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1667 instead of loop->num.
1668 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1669 (mark_all_loops_for_removal): Ditto.
1670 (remove_unnecessary_regions): Separate the case when CFG loops
1672 (ira_build): Remove the parameter. Use explicit number of regions
1673 when CFG loops are not built.
1675 * ira-color.c (print_loop_title): Separate the case for the root node.
1676 Use loop_num instead of loop->num.
1677 (move_spill_restore): Use loop_num instead of loop->num.
1679 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1680 (change_loop): Ditto.
1681 (change_loop): Use loop_num instead of loop->num.
1683 * ira-lives.c (process_bb_node_lives): Ditto.
1685 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1687 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1689 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1692 * tree-mudflap.c (mf_artificial): New function.
1693 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1694 mx_register_decls, mudflap_enqueue_decl): Use it.
1697 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1698 numbers in the insn pattern.
1700 2012-01-19 Michael Matz <matz@suse.de>
1702 PR tree-optimization/46590
1703 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1704 use it in remembering which conflicts we already created.
1705 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1708 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1711 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1712 (merge_and_complain): Same.
1714 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1717 * config/initfini-array.h: Guard content of the header
1718 with #ifdef HAVE_INITFINI_ARRAY.
1719 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1720 Add initfini-array.h to tm_file here.
1721 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1722 * config.gcc: Don't add initfini-array.h to tm_file here.
1723 * configure: Regenerated.
1725 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1727 PR rtl-optimization/51505
1728 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1729 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1730 (df_note_bb_compute): Update the call to df_kill_notes.
1732 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1734 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1736 2012-01-18 Richard Guenther <rguenther@suse.de>
1738 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1739 of conversions to void *.
1741 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1742 Richard Sandiford <rdsandiford@googlemail.com>
1746 * optabs.h (simplify_expand_binop): Declare.
1747 * optabs.c (simplify_expand_binop): Make global.
1748 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1749 endian targets if the source cannot be exactly covered by word
1752 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1755 * hard-reg-set.h (struct hard_reg_set_container): New type.
1756 * target.h (struct hard_reg_set_container): Forward declare.
1757 * target.def (set_up_by_prologue): New target hook.
1758 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1759 * doc/tm.texi: Regenerated.
1760 * function.c (thread_prologue_and_epilogue_insns): Change
1761 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1762 Call targetm.set_up_by_prologue on it.
1763 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1764 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1766 2012-01-17 Nick Clifton <nickc@redhat.com>
1768 * config/rx/rx.c (rx_can_use_simple_return): New function.
1769 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1770 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1772 2012-01-17 Richard Guenther <rguenther@suse.de>
1775 * expr.c (expand_assignment): Take address-space information
1776 from the address operand of MEM_REF and TARGET_MEM_REF.
1777 (expand_expr_real_1): Likewise.
1779 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1781 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1782 reload dump is requested.
1784 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1787 * trans-mem.c (requires_barrier): Call may_be_aliased.
1789 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1791 PR tree-optimization/51877
1792 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1793 call arguments and fndecls compare equal, instead return false if they
1794 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1795 both SSA_NAMEs that are valueized the same, or they satisfy
1798 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1800 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1802 * configure: Regenerate.
1804 2012-01-16 Jan Hubicka <jh@suse.cz>
1808 * convert.c (convert_to_integer): Use fold_convert for
1809 converting an INTEGER_CST to integer type.
1811 2012-01-16 Jason Merrill <jason@redhat.com>
1814 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1816 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1819 * config/s390/s390.c (s390_chunkify_start): Don't skip
1820 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1821 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1822 If insn is followed by NOTE_INSN_VAR_LOCATION or
1823 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1824 Don't use location of note insns.
1826 PR tree-optimization/51865
1827 * tree-inline.c (tree_function_versioning): Call remap_decl
1828 on DECL_RESULT whenever it has VOID_TYPE_P type.
1830 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1832 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1833 for calls to locally-binding MIPS16 functions if only the return
1834 type uses float regs.
1836 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1837 Richard Sandiford <rdsandiford@googlemail.com>
1839 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1840 (SYMBOL_32_HIGH): Likewise.
1841 (mips_output_tls_reloc_directive): Declare.
1842 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1843 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1844 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1845 (mips_lo_relocs, mips_hi_relocs): Make extern.
1846 (mips16_stub_function): Move up file.
1847 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1848 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1849 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1850 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1851 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1852 (mips_get_tp): Add MIPS16 support.
1853 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1854 Generalize DTPREL and TPREL handling.
1855 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1856 Add MIPS16 TLS support.
1857 (mips_output_tls_reloc_directive): New function.
1858 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1859 * config/mips/predicates.md (symbolic_operand_with_high)
1860 (tls_reloc_operand): New predicates.
1861 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1862 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1863 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1864 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1865 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1866 (*tls_get_tp_mips16_call_<mode>): Likewise.
1868 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1870 PR rtl-optimization/51821
1871 * recog.c (peep2_find_free_register): Determine clobbered registers
1874 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1877 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1878 * config/avr/avr.c: Likewise.
1879 * config/avr/avr.h: Likewise.
1881 2012-01-13 Ian Lance Taylor <iant@google.com>
1884 * tree.h (TYPE_QUALS): Add cast to int.
1885 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1887 2012-01-13 Ian Lance Taylor <iant@google.com>
1889 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1890 comparing param_index to VEC_length result.
1892 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1894 * c-decl.c: Do not include tree-mudflap.h
1895 * tree-optimize.c: Likewise.
1896 * Makefile.in: Update dependencies.
1898 2012-01-13 Richard Guenther <rguenther@suse.de>
1901 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1902 variable-sized result always use RSO.
1904 2012-01-12 DJ Delorie <dj@redhat.com>
1906 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1907 pointer type, not just the default pointer type.
1909 2012-01-09 Richard Henderson <rth@redhat.com>
1910 Denis Chertykov <chertykov@gmail.com>
1913 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1914 * config/avr/avr.c (avr_can_eliminate): Simplify.
1915 (avr_initial_elimination_offset): Likewise.
1916 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1917 (expand_epilogue): Likewise.
1918 (avr_legitimize_address): Gut.
1919 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1920 (avr_hard_regno_nregs): New.
1921 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1922 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1923 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1924 add soft frame pointer.
1925 (CALL_USED_REGISTERS): Likewise.
1926 (REG_CLASS_CONTENTS): Likewise.
1927 (REGISTER_NAMES): Likewise.
1928 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1929 (HARD_FRAME_POINTER_REGNUM): New.
1930 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1931 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1932 remove the HARD_FRAME_POINTER self-elimination.
1934 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1937 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1938 DECL_EXTERNAL when checking for initializers of progmem variables.
1940 2012-01-12 Ira Rosen <irar@il.ibm.com>
1942 PR tree-optimization/51799
1943 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1944 that the last operation is a type demotion.
1946 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1948 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1949 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1951 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1954 * combine.c (distribute_notes): If i3 is a noreturn call,
1955 allow old_size to be equal to args_size and make sure the
1956 noreturn call gets REG_ARGS_SIZE note.
1957 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1958 on noreturn calls even when the delta is 0.
1960 2012-01-11 Nathan Sidwell <nathan@acm.org>
1962 * gcov.c (STRING_SIZE): Remove.
1963 (generate_results): Erase annotations for source files with no
1964 coverage information.
1966 (output_lines): Use it.
1968 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1970 * gimple.h (gimplify_body): Remove first argument.
1971 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1972 pointer set here, instead just pass DATA to walk_tree.
1973 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1974 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1975 (unvisit_body): Likewise, but with unmark_visited.
1976 (gimplify_body): Remove BODY_P argument and adjust.
1977 (gimplify_function_tree): Adjust call to gimplify_body.
1978 * omp-low.c (finalize_task_copyfn): Likewise.
1980 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1982 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1983 (build_function_type_skip_args): Delete.
1984 * tree.c (build_function_type_skip_args): Make static and add
1985 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1986 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1987 pass it to build_function_type_skip_args.
1988 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1989 (tree_function_versioning): Likewise.
1990 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1991 build_function_decl_skip_args.
1992 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1993 and pass it to build_function_decl_skip_args/tree_function_versioning.
1994 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1995 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1996 * trans-mem.c (ipa_tm_create_version): Likewise.
1997 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1998 * tree-inline.c (declare_return_variable): Remove always-true test.
1999 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
2000 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
2001 * ipa-split.c (split_function): Skip the return value for the split
2002 part if it doesn't return.
2004 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2006 PR tree-optimization/49642
2007 * ipa-split.c (forbidden_dominators): New variable.
2008 (check_forbidden_calls): New function.
2009 (dominated_by_forbidden): Likewise.
2010 (consider_split): Check for forbidden dominators.
2011 (execute_split_functions): Initialize and free forbidden
2012 dominators info; call check_forbidden_calls.
2014 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2016 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
2018 2012-01-11 Nick Clifton <nickc@redhat.com>
2020 * config/rx/rx.md (return): Define pattern.
2022 2012-01-11 Richard Guenther <rguenther@suse.de>
2024 * doc/extend.texi (malloc attribute): Adjust according to
2027 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
2028 Patrick Marlier <patrick.marlier@gmail.com>
2031 * trans-mem.c (get_cg_data): Traverse aliases if requested.
2032 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
2033 (ipa_tm_note_irrevocable): Same.
2034 (ipa_tm_scan_irr_block): Same.
2035 (ipa_tm_decrement_clone_counts): Same.
2036 (ipa_tm_scan_irr_function): Same.
2037 (ipa_tm_create_version_alias): Same.
2038 (ipa_tm_create_version): Same.
2039 (ipa_tm_transform_calls_redirect): Same.
2040 (ipa_tm_transform_calls): Same.
2041 (ipa_tm_transform_transaction): Same.
2042 (ipa_tm_execute): Same.
2044 2012-01-10 Richard Guenther <rguenther@suse.de>
2047 * opts.c (common_handle_option): Handle -Werror.
2049 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
2051 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2054 2012-01-10 Jason Merrill <jason@redhat.com>
2056 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2059 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2061 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2062 supports R_386_TLS_GD_PLT reloc.
2063 (gcc_cv_as_ix86_tlsldmplt): Check if linker
2064 supports R_386_TLS_LDM_PLT reloc.
2065 * configure: Regenerate.
2066 * config.in: Regenerate.
2068 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
2071 Extend __pgmx semantics to linearize memory.
2072 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2073 determine if code comes inline or from libgcc.
2074 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2075 (movmem_qi, movmem_qi): Set constraint #2 to "n".
2076 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2077 (movmemx_qi, movmemx_hi): New insns.
2078 (xload_<mode>_libgcc): Rewrite to new insn condition.
2079 (xload_<mode>): Remove insns.
2080 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2081 cases that don't satisfy avr_xload_libgcc_p().
2082 (avr_addr_space_convert): Allow converting in any direction.
2083 (avr_addr_space_subset_p): Return always true.
2084 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2085 (avr_emit_movmemhi): Ditto.
2086 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2087 (avr_out_movmem): Ditto.
2088 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2089 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2090 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2091 (avr_encode_section_info): Encode 'progmem' in symbol flags.
2092 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2094 2012-01-10 Richard Guenther <rguenther@suse.de>
2096 PR tree-optimization/50913
2097 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2098 Require data-refs to be representable by Graphite with respect
2101 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
2103 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2104 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2106 2012-01-10 Tom de Vries <tom@codesourcery.com>
2108 PR rtl-optimization/51271
2109 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2110 handling annulled branch.
2112 2012-01-10 Richard Henderson <rth@redhat.com>
2114 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2115 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2116 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2117 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2118 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2119 arm_expand_vec_perm_const): New.
2120 * config/arm/arm-protos.h: Update.
2121 * config/arm/neon.md (UNSPEC_VCONCAT): New.
2122 (*neon_vswp<VDQX>): New.
2123 (neon_vcombine<VDX>): Use neon_split_vcombine.
2124 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2125 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2126 (vec_perm<VE>): New.
2128 2012-01-10 Richard Henderson <rth@redhat.com>
2130 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2131 use it if reload_completed.
2132 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2133 arm_output_asm_insn, arm_process_output_memory_barrier,
2134 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2135 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2136 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2137 arm_process_output_sync_insn, arm_output_sync_insn,
2138 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2139 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2140 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2141 (emit_unlikely_jump): New.
2142 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2143 (arm_split_atomic_op): New.
2144 * config/arm/arm-protos.h: Update.
2145 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2146 (struct arm_sync_generator): Remove.
2147 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2148 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2149 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2150 (VUNSPEC_LL, VUNSPEC_SC): New.
2151 (sync_result, sync_memory, sync_required_value, sync_new_value,
2152 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2153 (attr length): Don't use arm_sync_loop_insns.
2154 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2155 (movsfcc, movdfcc): Likewise.
2156 * config/arm/constraints.md (Ua): New.
2157 * config/arm/prediates.md (mem_noofs_operand): New.
2158 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2159 (sync_clobber, sync_t2_reqd): Remove.
2160 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2161 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2162 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2163 (arm_sync_compare_and_swap<SIDI>): Remove.
2164 (arm_sync_compare_and_swap<NARROW>): Remove.
2165 (arm_sync_lock_test_and_set<SIDI>): Remove.
2166 (arm_sync_lock_test_and_set<NARROW>): Remove.
2167 (arm_sync_new_<syncop><SIDI>): Remove.
2168 (arm_sync_new_<syncop><NARROW>): Remove.
2169 (arm_sync_new_nand<SIDI>): Remove.
2170 (arm_sync_new_nand<NARROW>): Remove.
2171 (arm_sync_old_<syncop><SIDI>): Remove.
2172 (arm_sync_old_<syncop><NARROW>): Remove.
2173 (arm_sync_old_nand<SIDI>): Remove.
2174 (arm_sync_old_nand<NARROW>): Remove.
2175 (*memory_barrier): Merge arm_output_memory_barrier.
2176 (atomic_compare_and_swap<QHSD>): New.
2177 (atomic_compare_and_swap<NARROW>_1): New.
2178 (atomic_compare_and_swap<SIDI>_1): New.
2179 (atomic_exchange<QHSD>): New.
2180 (cas_cmp_operand, cas_cmp_str): New.
2181 (atomic_op_operand, atomic_op_str): New.
2182 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2183 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2184 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2185 (arm_load_exclusive<NARROW>): New.
2186 (arm_load_exclusivesi, arm_load_exclusivedi): New.
2187 (arm_store_exclusive<QHSD>): New.
2189 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2191 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2192 reload patterns if -mvsx-scalar-memory.
2194 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2195 generated, even -mno-vsx-scalar-double was used.
2196 (vsx_xscvdpsp_scalar): Likewise.
2197 (vsx_xscvspdp_scalar2): Likewise.
2199 2012-01-09 Tom de Vries <tom@codesourcery.com>
2200 Andrew Pinski <apinski@cavium.com>
2203 * reorg.c (fill_slots_from_thread): Don't speculate
2204 frame-related insns.
2206 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
2208 * sched-int.h (bb_note): Move to...
2209 * basic-block.h: ...here.
2210 * haifa-sched.c (bb_note): Move to...
2211 * cfgrtl.c: ...here.
2212 * function.c (next_block_for_reg): New function.
2213 (move_insn_for_shrink_wrap): Likewise.
2214 (prepare_shrink_wrap): Rewrite to use the above.
2216 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
2218 * gimple.c (is_gimple_non_addressable): Remove.
2219 * gimple.h: Remove is_gimple_non_addressable.
2220 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2221 is_gimple_non_addressable.
2222 * trans-mem.c (expand_assign_tm): Same.
2224 2012-01-09 Richard Guenther <rguenther@suse.de>
2226 PR tree-optimization/51775
2227 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2228 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2230 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2232 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2234 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2236 2012-01-09 Richard Guenther <rguenther@suse.de>
2238 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2240 2012-01-08 Jan Hubicka <jh@suse.cz>
2242 PR tree-optimize/51680
2243 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2244 on when known_vals needs to be computed; cleanup.
2246 2012-01-08 Jan Hubicka <jh@suse.cz>
2248 PR tree-optimize/51694
2249 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2251 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
2253 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2254 for -std=c++98 and -std=c++11 too.
2256 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
2258 * cfgloop.c (cancel_loop): Add free() of bbs array.
2260 2012-01-07 Jan Hubicka <jh@suse.cz>
2262 PR tree-optimization/51600
2263 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2264 that benefits small functions.
2266 2012-01-07 Jan Hubicka <jh@suse.cz>
2268 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2270 2012-01-07 Jan Hubicka <jh@suse.cz>
2272 PR tree-optimization/51680
2273 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2274 whose inlining reduce unit size.
2276 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2279 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2280 Add canonical node to containing_mem chain after the non-canonical
2281 one, even if there weren't any locs to propagate.
2282 (remove_useless_values): Keep only canonical values.
2283 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2284 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2285 canonicalize mem_chain elements that are not discarded.
2287 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2290 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2291 before emitting functions.
2293 PR gcov-profile/50127
2294 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2295 clear_aux_for_blocks.
2297 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
2300 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2302 2012-01-06 Arnaud Charlet <charlet@adacore.com>
2304 * c-decl.c (ext_block): Moved up.
2305 (collect_all_refs, for_each_global_decl): Take ext_block into account.
2307 2012-01-06 Han Shen <shenhan@google.com>
2309 Translate built-in include paths for sysroot.
2310 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2311 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2313 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2314 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2316 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2317 control whether sysroot should be prepended to gxx include dir.
2319 * configure: Regenerate.
2321 2012-01-06 Torvald Riegel <triegel@redhat.com>
2323 PR rtl-optimization/51771
2324 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2325 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2327 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2329 PR tree-optimization/51315
2330 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2331 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2333 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
2336 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2337 for shrp pattern. Correctly handle and fixup shift variable.
2338 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2340 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2343 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2344 note when !ACCUMULATE_OUTGOING_ARGS.
2346 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2348 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2350 (extract_range_from_unary_expr_1): Avoid useless computations.
2352 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2354 PR rtl-optimization/51767
2355 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2356 of jump_block and add an extra edge for degenerated asm gotos.
2359 * stmt.c (check_unique_operand_names): Don't ICE during error
2360 reporting if i is from labels chain.
2363 * profile.c (branch_prob): Split bbs that have exit edge
2364 and need a fake entry edge too.
2366 2012-01-05 Jan Hubicka <jh@suse.cz>
2369 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2372 2012-01-05 Richard Guenther <rguenther@suse.de>
2375 * tree-streamer-out.c (write_ts_optimization): New function.
2376 (streamer_write_tree_body): Call it.
2377 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2378 (streamer_read_tree_body): Call it.
2379 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2381 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2384 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2385 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2386 in_cleanup_point_expr before gimplify_stmt call and restore it
2388 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2389 in_cleanup_point_expr is false.
2391 2012-01-05 Richard Guenther <rguenther@suse.de>
2394 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2396 * toplev.c (process_options): Reject combining mudflap and LTO.
2397 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2399 2012-01-05 Richard Guenther <rguenther@suse.de>
2401 PR tree-optimization/51760
2402 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2404 (bit_value_unop): Handle UNDEFINED operands.
2405 (bit_value_binop): Likewise.
2407 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2409 * config/avr/avr.c (avr_replace_prefix): Remove.
2410 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2411 (avr_asm_function_rodata_section): Ditto.
2412 (avr_asm_select_section): Ditto.
2414 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2416 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2419 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2422 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2423 calls that have any non-fake successor edges.
2426 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2428 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2430 PR tree-optimization/51624
2431 * tree-sra.c (build_ref_for_model): When replicating a chain of
2432 COMPONENT_REFs, stop as soon as the offset would become negative.
2434 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2437 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2438 in .debug_loc on the floor.
2440 2012-01-04 Andrew Pinski <apinski@cavium.com>
2442 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2444 2012-01-04 Andrew Pinski <apinski@cavium.com>
2445 Adam Nemet <anemet@caviumnetworks.com>
2447 * config/mips/mips.md (size): Add SI and DI.
2448 (SIZE): New mode attribute.
2449 (U): New code attribute.
2450 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2451 (mips_lbux_<mode>): Delete.
2452 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2453 (mips_lhx): Use gen_mips_lhx_extsi.
2454 (mips_lhx_<mode>): Delete.
2456 (mips_l<size>x): New expand.
2457 (mips_lwx_<mode>): Delete.
2458 (mips_l<GPR:size>x_<P:mode>): New pattern.
2459 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2460 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2461 * config/mips/mips.c (mips_lx_address_p): New function.
2462 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2463 (dsp64): New availability predicate.
2464 (mips_builtins): Add an entry for __builtin_mips_ldx.
2465 * config/mips/mips.h (ISA_HAS_LBX): New define.
2466 (ISA_HAS_LBUX): Likewise.
2467 (ISA_HAS_LHX): Likewise.
2468 (ISA_HAS_LHUX): Likewise.
2469 (ISA_HAS_LWX): Likewise.
2470 (ISA_HAS_LWUX): Likewise.
2471 (ISA_HAS_LDX): Likewise.
2472 * doc/extend.texi (__builtin_mips_ldx): Document.
2474 2012-01-04 Tristan Gingold <gingold@adacore.com>
2476 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2477 when long pointers are used.
2478 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2479 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2480 (ia64-hp-*vms*): Remove.
2481 * config/vms/xm-vms64.h: Delete.
2483 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2486 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2488 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2490 * opts.c (finish_options): Remove duplicate sorry.
2492 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2495 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2498 2012-01-04 Richard Guenther <rguenther@suse.de>
2501 * tree.c (size_low_cst): New function.
2502 * tree.h (size_low_cst): Declare.
2503 * fold-const.c (fold_comparison): Use it to extract the low
2504 part of the POINTER_PLUS_EXPR offset.
2506 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2508 Fix clearing ZERO_REG
2509 * config/avr/avr.md (cc): Add alternative "ldi".
2510 (movqi_insn): Use it in cc attribute.
2511 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2512 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2513 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2515 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2517 * configure: Regenerate.
2519 2012-01-04 Richard Guenther <rguenther@suse.de>
2521 PR tree-optimization/49651
2522 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2523 (var_can_have_subvars): Use it.
2524 (get_constraint_for_1): Only consider subfields if there can be any.
2526 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2529 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2530 to its new canonical_cselib_val and the cselib_val was in
2531 first_containing_mem chain, but the canonical_cselib_val was not,
2532 add the latter into the chain.
2533 (cselib_invalidate_mem): Compare canonical_cselib_val of
2534 addr_list chain elt with v.
2537 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2538 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2540 (output_macinfo_op): Don't ggc_strdup fd->filename.
2541 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2542 then ggc_strdup it. Don't free inc->info or cur->info.
2543 (output_macinfo): Don't free ref->info or file->info.
2545 2012-01-03 Ira Rosen <irar@il.ibm.com>
2547 PR tree-optimization/51269
2548 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2549 first_niters a pointer.
2550 (slpeel_tree_peel_loop_to_edge): Likewise.
2551 (vect_do_peeling_for_loop_bound): Update call to
2552 slpeel_tree_peel_loop_to_edge.
2553 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2554 here. Remove it from the parameters list.
2555 (vect_do_peeling_for_alignment): Update calls and compute
2558 2012-01-03 Richard Guenther <rguenther@suse.de>
2560 PR tree-optimization/51070
2561 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2562 Properly handle calls.
2564 2012-01-03 Richard Guenther <rguenther@suse.de>
2566 PR tree-optimization/51692
2567 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2568 the LHS of allocation stmts.
2570 2012-01-03 Olivier Hainque <hainque@adacore.com>
2572 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2574 2012-01-03 Olivier Hainque <hainque@adacore.com>
2576 * collect2.c (main): In AIX specific computations for vector
2577 insertions, use CONST_CAST2 to cast from char ** to const char **.
2579 2012-01-03 Richard Guenther <rguenther@suse.de>
2582 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2583 the context of a limbo DIE when it does not already exist.
2585 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2587 PR tree-optimization/51719
2588 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2589 but direct call is, clear direct call's lhs and don't add fallthrough
2590 edge from dcall_bb to join_bb and PHIs.
2592 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2594 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2595 the instructions emitted by the pattern.
2596 ("*TDC_insn_<mode>"): Add comment.
2598 2012-01-03 Richard Guenther <rguenther@suse.de>
2601 * fold-const.c (fold_comparison): Properly canonicalize
2602 tree offset and HOST_WIDE_INT bit position.
2604 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2606 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2607 operands for extzv pattern.
2609 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2612 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2615 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2617 * doc/invoke.texi (-flto and related options): Copy-edit.
2619 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2621 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2623 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2625 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2628 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2630 * expr.h (move_by_pieces_ninsns): Declare.
2631 * expr.c (move_by_pieces_ninsns): Make external.
2632 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2633 (mips_store_by_pieces_p): Likewise.
2634 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2635 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2636 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2637 (mips_store_by_pieces_p): Likewise.
2639 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2641 * passes.c (register_one_dump_file): Free full_name.
2643 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2644 (calculate_elim_costs_all_insns): Free offsets_at and
2645 offsets_known_at at the end and clear the pointers.
2647 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2649 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2650 this option introduced in r180739.
2652 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2655 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2656 (tmake_file target=avr): Add avr/t-multilib.
2658 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2659 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2660 * config/avr/genmultilib.awk: New file.
2661 * config/avr/t-multilib: New auto-generated file.
2662 * config/avr/multilib.h: New auto-generated file.
2663 * config/avr/t-avr (AVR_MCUS): New variable.
2664 (genopt.sh): Use it.
2665 (s-mlib): Depend on t-multilib.
2666 (t-multilib, multilib.h): New dependencies.
2667 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2668 (MULTILIB_OPTIONS): Remove.
2669 (MULTILIB_MATCHES): Remove.
2670 (MULTILIB_DIRNAMES): Remove.
2671 (MULTILIB_EXCEPTIONS): Remove:
2672 * config/avr/genopt.sh: Don't use hard coded file name;
2673 pass AVR_MCUS from t-avr instead.
2675 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2677 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2679 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2681 Implement light-weight DImode support.
2682 * config/avr/avr-dimode.md: New file.
2683 * config/avr/avr.md: Include it.
2684 (adjust_len): Add plus64, compare64.
2685 (HIDI): Remove code iterator.
2686 (code_stdname): New code attribute.
2687 (rotx, rotsmode): Remove DI.
2688 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2690 * config/avr/avr-protos.h (avr_have_dimode): New.
2691 (avr_out_plus64, avr_out_compare64): New.
2692 * config/avr/avr.c (avr_out_compare): Handle DImode.
2693 (avr_have_dimode): New variable definition and initialization.
2694 (avr_out_compare64, avr_out_plus64): New functions.
2695 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2696 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2697 (avr_compare_pattern): Skip DImode comparisons.
2699 2012-01-02 Revital Eres <revital.eres@linaro.org>
2701 * ddg.c (def_has_ccmode_p): New function.
2702 (add_cross_iteration_register_deps,
2703 create_ddg_dep_from_intra_loop_link): Call it.
2705 2012-01-02 Richard Guenther <rguenther@suse.de>
2708 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2710 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2712 * gcc.c (process_command): Update copyright notice dates.
2713 * gcov.c (print_version): Likewise.
2714 * gcov-dump.c (print_version): Likewise.
2715 * mips-tfile.c (main): Likewise.
2716 * mips-tdump.c (main): Likewise.
2718 2012-01-01 Ira Rosen <irar@il.ibm.com>
2720 PR tree-optimization/51704
2721 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2722 a use is inside the basic block or loop before accessing its vect info.
2724 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2726 PR rtl-optimization/51069
2727 * cfgloopmanip.c (remove_path): Removing path making irreducible
2728 region unconditional makes BB part of the region.
2730 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2732 PR tree-optimization/51683
2733 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2734 calls with side-effects.
2735 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2737 Copyright (C) 2012 Free Software Foundation, Inc.
2739 Copying and distribution of this file, with or without modification,
2740 are permitted in any medium without royalty provided the copyright
2741 notice and this notice are preserved.