1 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
6 Remove -e 0 from $gcc_cv_ld invocation.
7 Only use __GLIBC_PREREQ if defined.
8 Enable on Solaris since Solaris 8 patch.
9 (gcc_SUN_LD_VERSION): New macro.
10 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
11 gcc_SUN_LD_VERSION for version number format.
12 * configure: Regenerate.
13 * varasm.c (get_elf_initfini_array_priority_section): Set
14 SECTION_NOTYPE for non-default priority.
15 Use get_section instead of get_unnamed_section to emit
16 .init_array/.fini_array with default priority.
18 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
20 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
21 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
22 (mips_start_unique_function, mips_output_mips16_rdhwr)
23 (mips_code_end): New functions.
24 (TARGET_ASM_CODE_END): Define.
26 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
28 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
29 to stubs with non-sibling calls.
31 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
33 * doc/invoke.texi (-fira-* options): Copy-edit.
34 (ira-* parameters): Copy-edit.
36 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
38 * doc/invoke.texi: Minor copy-edits to bring into conformance with
39 GCC coding conventions.
41 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
43 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
44 when used as adjectives.
46 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
48 * doc/invoke.texi: Clean up "that"/"which" confusion.
50 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
52 * system.h: Poison SMALL_REGISTER_CLASSES
53 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
54 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
56 2012-02-16 Jakub Jelinek <jakub@redhat.com>
58 PR tree-optimization/52285
59 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
60 when deciding if a call is a tail call or tail recursion.
62 2012-02-16 Kai Tietz <ktietz@redhat.com>
64 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
65 interger-constant displacement for UNSPEC_PCREL.
67 2012-02-16 Jakub Jelinek <jakub@redhat.com>
69 PR rtl-optimization/52208
70 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
71 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
73 PR tree-optimization/52255
74 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
75 loop->header has virtual PHI, but exit_e->dest doesn't, add
76 virtual PHI to exit_e->dest and adjust all uses after the loop.
79 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
80 children with clone_tree_hash, not after it.
82 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
84 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
87 2012-02-16 Jakub Jelinek <jakub@redhat.com>
90 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
91 a same_body_alias, also test whether e->callee isn't a former
92 or current clone of the decl this is a same body alias of.
95 * cgraphunit.c (verify_cgraph_node): Fix a typo.
97 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
99 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
101 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
104 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
105 force_reg instead of copy_to_reg for better optimization. Force
106 non-register or memory operands into a register.
108 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
110 * extend.texi: Reserve upper bits of memory model for future use.
112 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
113 Anatoly Sokolov <aesok@post.ru>
114 Eric Weddington <eric.weddington@atmel.com>
117 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
118 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
119 Rewrite initializers for .macro.
120 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
121 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
122 atxmega32d4, atxmega32x1.
123 avrxmega4: atxmega64a3, atxmega64d3.
124 avrxmega5: atxmega64a1, atxmega64a1u.
125 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
126 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
127 avrxmega7: atxmega128a1, atxmega128a1u.
128 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
129 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
130 (struct base_arch_s): Rename reserved to xmega_p.
131 Rename reserved2 to have_rampd.
132 (AVR_XMEGA): New define.
133 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
134 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
135 * config/avr/predicates.md (io_address_operand): Take into
137 (low_io_address_operand): Ditto.
138 (high_io_address_operand): Ditto.
139 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
140 (enabled, movhi_sp_r): Use them.
141 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
142 cpp_define_formatted to built-in define __AVR_ARCH__.
143 (__AVR_XMEGA__): New built-in define.
144 (__AVR_HAVE_RAMPD__): New built-in define.
145 (__AVR_HAVE_RAMPX__): New built-in define.
146 (__AVR_HAVE_RAMPY__): New built-in define.
147 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
149 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
150 (avr_option_override): Initialize them.
151 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
152 (avr_init_expanders): Initialize them. No more block several calls.
153 (emit_push_sfr): New static function.
154 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
156 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
157 (avr_print_operand): Print addreeses as symbols for
158 RAMPX, RAMPY, RAMPD, CCP.
159 (output_movhi): Handle AVR_XMEGA when writing to SP.
160 (avr_out_movhi_mr_r_xmega): New static function.
161 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
162 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
163 __RAMPD__, __CCP__ as needed.
165 * config/avr/multilib.h: Regenerate.
166 * config/avr/t-multilib: Regenerate.
167 * config/avr/avr-tables.opt: Regenerate.
169 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
171 PR tree-optimization/50561
172 * graphite-flattening.c (lst_project_loop): Do not
173 remove old scattering dimensions after flattening.
174 (lst_do_flatten): Likewise.
176 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
178 * doc/extend.texi (AVR Built-in Functions): Remove doc for
179 __builtin_avr_map8, __builtin_avr_map16.
180 Document __builtin_avr_insert_bits.
182 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
183 (insert_bits): New insn.
184 (adjust_len.map_bits): Rename to insert_bits.
185 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
186 * avr-protos.h (avr_out_map_bits): Remove.
187 (avr_out_insert_bits, avr_has_nibble_0xf): New.
188 * config/avr/constraints.md (Cxf,C0f): New.
189 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
190 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
191 New built-in define __BUILTIN_AVR_INSERT_BITS.
192 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
193 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
194 (avr_move_bits): Rewrite.
195 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
197 (avr_map_op_t): New typedef.
198 (avr_map_op): New static variable.
199 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
200 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
201 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
202 (bdesc_3arg, avr_expand_triop_builtin): New.
203 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
204 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
205 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
206 (avr_map_equal_p, avr_map_sig_p): Remove.
207 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
208 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
209 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
210 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
211 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
212 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
214 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
216 * config/c6x/c6x.md (reserve_cycles): New attribute.
217 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
218 don't reserve functional units after the branch occurs.
220 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
223 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
224 functions into non-tm_pure functions.
226 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
229 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
230 (iterative_hash_canonical_type): Likewise.
231 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
234 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
236 * haifa-sched.c (prune_ready_list): Ensure that if there is a
237 sched-group insn, it either remains alone or the entire list is
240 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
242 * doc/install.texi (Prerequisites): Fix grammar.
243 (Configuration): Likewise.
245 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
247 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
248 MPC as part of GCC before describing configuring with --with-gmp etc.
249 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
252 2012-02-14 Jakub Jelinek <jakub@redhat.com>
255 * dwarf2out.c (clone_tree_hash): New function.
256 (copy_decls_walk): Use it instead of clone_tree.
258 2012-02-14 Richard Guenther <rguenther@suse.de>
260 PR tree-optimization/52244
261 PR tree-optimization/51528
262 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
263 replacements for integral types.
265 2012-02-14 Walter Lee <walt@tilera.com>
267 * config.gcc: Handle tilegx and tilepro.
268 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
270 Add HAVE_AS_TLS check for tilegx and tilepro.
271 * configure: Regenerate.
272 * doc/contrib.texi: Add Mat Hostetter and self.
273 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
274 Document instruction intrinsics and network accessing intrinsics.
275 (TILEPro Built-in Functions): New node. Document instruction
276 intrinsics and network accessing intrinsics.
277 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
278 (Specific, tilepro-*-linux*): Likewise.
279 * doc/invoke.texi (TILE-Gx Options): New section.
280 (TILEPro Options): New section.
281 * doc/md.texi (TILE-Gx): New section.
282 (TILEPro): New section.
283 * common/config/tilegx/tilegx-common.c: New file.
284 * common/config/tilepro/tilepro-common.c: New file.
285 * config/tilegx/constraints.md: New file.
286 * config/tilegx/linux.h: New file.
287 * config/tilegx/mul-tables.c: New file.
288 * config/tilegx/predicates.md: New file.
289 * config/tilegx/sync.md: New file.
290 * config/tilegx/t-tilegx: New file.
291 * config/tilegx/tilegx-builtins.h: New file.
292 * config/tilegx/tilegx-c.c: New file.
293 * config/tilegx/tilegx-generic.md: New file.
294 * config/tilegx/tilegx-modes.def: New file.
295 * config/tilegx/tilegx-multiply.h: New file.
296 * config/tilegx/tilegx-protos.h: New file.
297 * config/tilegx/tilegx.c: New file.
298 * config/tilegx/tilegx.h: New file.
299 * config/tilegx/tilegx.md: New file.
300 * config/tilegx/tilegx.opt: New file.
301 * config/tilepro/constraints.md: New file.
302 * config/tilepro/gen-mul-tables.cc: New file.
303 * config/tilepro/linux.h: New file.
304 * config/tilepro/mul-tables.c: New file.
305 * config/tilepro/predicates.md: New file.
306 * config/tilepro/t-tilepro: New file.
307 * config/tilepro/tilepro-builtins.h: New file.
308 * config/tilepro/tilepro-c.c: New file.
309 * config/tilepro/tilepro-generic.md: New file.
310 * config/tilepro/tilepro-modes.def: New file.
311 * config/tilepro/tilepro-multiply.h: New file.
312 * config/tilepro/tilepro-protos.h: New file.
313 * config/tilepro/tilepro.c: New file.
314 * config/tilepro/tilepro.h: New file.
315 * config/tilepro/tilepro.md: New file.
316 * config/tilepro/tilepro.opt: New file.
318 2012-02-14 Jakub Jelinek <jakub@redhat.com>
320 PR tree-optimization/52210
321 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
322 vect_model_simple_cost with two entry vect_def_type array instead
325 2012-02-14 Richard Guenther <rguenther@suse.de>
328 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
329 Do not stream DECL_QUALIFIER.
330 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
331 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
332 (find_decls_types_r): Do not walk DECL_QUALIFIER.
334 2012-02-14 Jakub Jelinek <jakub@redhat.com>
337 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
340 2012-02-13 Jakub Jelinek <jakub@redhat.com>
343 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
344 * cselib.c (cselib_subst_to_values_from_insn): New function.
345 * sched-deps.c (add_insn_mem_dependence,
346 sched_analyze_1, sched_analyze_2): Use it.
348 2012-02-13 Jan Hubicka <jh@suse.cz>
351 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
353 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
355 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
356 (GTM_SELF_SPECS): Define if not already defined.
357 (driver_self_specs): Add GTM_SELF_SPECS.
358 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
359 (GTM_SELF_SPECS): Define.
360 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
361 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
363 2012-02-13 Jakub Jelinek <jakub@redhat.com>
365 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
368 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is
372 * omp-low.c (expand_omp_for): If a static schedule without
373 chunk size has NULL region->cont, force fd.chunk_size to be
376 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
379 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
381 2012-02-13 Richard Guenther <rguenther@suse.de>
384 * passes.c (enable_disable_pass): Fix typo.
386 2012-02-13 Jakub Jelinek <jakub@redhat.com>
389 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
390 XOR for reduce_bit_field if type is unsigned.
392 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
394 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
395 disallow changes from SFmode to mode with different size in FP regs.
397 2012-02-12 Robert Millan <rmh@gnu.org>
398 Gerald Pfeifer <gerald@pfeifer.com>
400 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
403 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
405 PR rtl-optimization/52175
406 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
407 to frame-related instructions.
409 2012-02-10 Jason Merrill <jason@redhat.com>
412 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
413 (demangle_new_symbols): Fill it.
414 (scan_linker_output): Walk it.
415 (start_tweaking): Split out from scan_linker_output.
416 (maybe_tweak): Update sym->chosen.
417 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
419 2012-02-11 Jakub Jelinek <jakub@redhat.com>
422 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
425 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
427 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
428 having the same mode as previous compare.
430 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
432 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
433 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
434 (nonlocal_goto_internal): Likewise.
435 (nonlocal_goto): Emit a use and an indirect jump directly.
437 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
440 * doc/extend.texi : Update comments for __atomic_compare_exchange and
441 __atomic_{is,always}_lock_free.
443 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
446 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
447 negative constant address for x32.
449 2012-02-10 Richard Henderson <rth@redhat.com>
451 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
452 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
453 for GIMPLE_TRANSACTION. Tidy if's into a switch.
455 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
456 Ira Rosen <irar@il.ibm.com>
458 PR tree-optimization/50031
459 * targhooks.c (default_builtin_vectorization_cost): Handle
461 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
462 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
463 all types of reduction and pattern statements.
464 (vect_estimate_min_profitable_iters): Likewise.
465 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
466 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
467 for explicit realigns.
468 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
469 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
471 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
472 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
473 vec_perm for VSX and handle vec_promote_demote.
475 2012-02-10 Jakub Jelinek <jakub@redhat.com>
478 * builtins.c (fold_builtin_atomic_always_lock_free,
479 expand_builtin_atomic_always_lock_free,
480 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
481 Return and/or test boolean_true_node/boolean_false_node instead of
482 integer_one_node/integer_zero_node.
484 2012-02-10 Jan Hubicka <jh@suse.cz>
487 * predict.c (predict_paths_for_bb): Prevent looping.
488 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
490 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
492 * config/arm/arm.c (output_move_double): In one case properly
493 count number of instructions that will be emitted.
495 2012-02-10 Richard Guenther <rguenther@suse.de>
498 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
500 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
503 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
505 2012-02-09 Jakub Jelinek <jakub@redhat.com>
508 * var-tracking.c (emit_note_insn_var_location): If
509 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
510 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
511 non-NOTE_DURING_CALL_P insn.
513 2012-02-09 Bin Cheng <bin.cheng@arm.com>
516 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
518 2012-02-08 Magnus Granberg <zorry@gentoo.org>
521 * gcc.c (switch_matches) Support switches with separated form,
524 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
526 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
529 * config/avr/avr.c (avr_addr_t): New typedef.
530 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
531 (avr_init_expanders): Initialize it.
532 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
534 (expand_epilogue): Ditto.
535 (avr_print_operand): Ditto.
536 (avr_file_start): Ditto.
537 (avr_emit_movmemhi): Ditto.
539 2012-02-08 Richard Guenther <rguenther@suse.de>
541 PR tree-optimization/46886
542 * tree-flow.h (do_while_loop_p): Declare.
543 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
544 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
546 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
548 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
549 always succeed for integers larger than a native word.
551 2012-02-08 Richard Guenther <rguenther@suse.de>
553 PR rtl-optimization/52170
554 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
555 properly handle integer vector modes.
557 2012-02-08 Jakub Jelinek <jakub@redhat.com>
559 PR gcov-profile/52150
560 * coverage.c: Include target.h.
561 (build_var): Call targetm.strip_name_encoding on the assembler name.
562 Change one _ into . or $ if the target allows it.
563 * Makefile.in (coverage.o): Depend on $(TARGET_H).
565 PR rtl-optimization/52139
566 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
567 is a BARRIER after emit_insn_after_noloc, move BB_END
568 to the last non-BARRIER insn before it.
570 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
573 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
574 (mips_gimplify_va_arg_expr): Call it instead of
575 std_gimplify_va_arg_expr.
577 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
579 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
580 message for -mno-pointers-to-nested-function.
582 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
585 * expr.c (get_inner_reference): If there is an offset, add a negative
586 bit position to it (if any).
588 2012-02-07 Jakub Jelinek <jakub@redhat.com>
590 PR rtl-optimization/52060
591 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
592 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
593 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
594 and/or i0src_copy2 when needed.
596 2012-02-07 Jakub Jelinek <jakub@redhat.com>
598 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
599 or LTOPLUGINSONAME if have_c.
601 * config/freebsd-spec.h: Add comment about what macros can be defined
603 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
604 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
607 2012-02-07 Richard Guenther <rguenther@suse.de>
609 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
610 newline in -alias dumps.
612 2012-02-07 Kai Tietz <ktietz@redhat.com>
613 Dave Korn <dave.korn.cygwin@gmail.com>
616 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
617 Take care that typinfo gets dllexport-attribute.
619 2012-02-07 Jakub Jelinek <jakub@redhat.com>
622 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
623 if modifier < EXPAND_SUM call force_operand on the result.
625 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
627 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
628 adding __forwarder_dst__ prefix if a forwarder_section attribute is
630 (epiphany_function_type): Replace types for specific interrupts with
631 EPIPHANY_FUNCTION_INTERRUPT.
632 (EPIPHANY_INTERRUPT_P): Update.
633 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
635 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
636 <disinterrupt>: Affects type identity.
637 (epiphany_handle_interrupt_attribute): Handle variable number of
639 (epiphany_compute_function_type): Update for new
640 epiphany_function_type definition.
641 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
642 handlers with a longcall forwarder.
643 (epiphany_start_function): Handle multiple interrupt arguments and/or
644 forwarder_section attribute.
646 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
649 2012-02-07 Alan Modra <amodra@gmail.com>
652 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
655 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
657 PR tree-optimization/50969
658 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
659 use vec_perm rather than vector_stmt.
660 (vect_model_load_cost): Likewise.
661 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
662 vec_perm to be the same as other vector statements.
663 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
664 cost of vec_perm for TARGET_VSX.
666 2012-02-06 Richard Guenther <rguenther@suse.de>
668 PR tree-optimization/52115
669 * tree-sra.c (access_has_replacements_p): New function.
670 (sra_modify_assign): Use it to decide whether a use is uninitialized.
672 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
675 * trans-mem.c (expand_call_tm): Add an assertion.
676 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
679 2012-02-06 Richard Guenther <rguenther@suse.de>
681 PR tree-optimization/50955
682 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
683 raise cost of expressions that replace an address with an
684 expression based on a different pointer.
686 2012-02-06 Jakub Jelinek <jakub@redhat.com>
689 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
690 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
692 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
695 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
696 -Weffc++ and specify guidelines come from second edition.
698 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
700 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
701 (sibcall_value_multiple_internal, call_split, call_internal_direct)
702 (call_direct_split, call_value_split, call_value_internal_direct)
703 (call_value_direct_split, call_value_multiple_split): Use jal and
704 jal_macro attributes.
706 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
708 * reload1.c (reload_regs_reach_end_p): Replace with...
709 (reload_reg_rtx_reaches_end_p): ...this function.
710 (new_spill_reg_store): Update commentary.
711 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
712 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
713 before setting new_spill_reg_store.
714 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
715 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
716 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
717 for non-spill reload registers.
719 2012-02-05 Ira Rosen <irar@il.ibm.com>
721 PR tree-optimization/52091
722 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
723 (vect_is_simple_use_1): Likewise.
724 * tree-vect-loop.c (vectorizable_reduction): Update calls
725 to vect_is_simple_use_1 and vect_is_simple_use.
726 (vectorizable_live_operation): Likewise.
727 * tree-vect-patterns.c (widened_name_p,
728 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
729 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
730 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
731 vectorizable_shift,vectorizable_operation, vectorizable_store,
732 vectorizable_load): Likewise.
733 (vect_is_simple_cond): Add an argument, pass it to
734 vect_is_simple_use_1.
735 (vectorizable_condition): Update calls to vect_is_simple_cond,
737 (vect_is_simple_use): Add an argument, the statement in which
738 OPERAND is used. Check that if OPERAND's def stmt is a double
739 reduction phi node, the use is a phi node too.
740 (vect_is_simple_use_1): Add an argument, pass it to
742 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
743 to vect_is_simple_use.
745 2012-02-04 Jakub Jelinek <jakub@redhat.com>
747 PR rtl-optimization/52095
748 * modulo-sched.c (dump_insn_locator): New function.
749 (loop_canon_p, sms_schedule): Use it.
751 PR rtl-optimization/52113
752 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
753 even for decomposable shift/zext insns.
755 2012-02-03 Jakub Jelinek <jakub@redhat.com>
756 Zdenek Dvorak <ook@ucw.cz>
758 PR rtl-optimization/52092
759 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
760 on get_iv_value result.
762 2012-02-02 Andrew Pinski <apinski@cavium.com>
766 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
768 2012-02-02 Jakub Jelinek <jakub@redhat.com>
771 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
773 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
775 PR rtl-optimization/49800
776 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
777 (sched_finish): Call regstat_free_n_sets_and_refs.
779 2012-02-02 Jia Liu <proljc@gmail.com>
781 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
784 2012-02-02 Jan Hubicka <jh@suse.cz>
785 Tom de Vries <tom@codesourcery.com>
788 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
789 * varpool.c (varpool_analyze_pending_decls): Likewise.
791 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
792 Jayant R Sonar <jayant.sonar@kpitcummins.com>
794 * config.gcc: Add cr16-* support.
796 * doc/extend.texi: Document cr16 extensions.
797 * doc/install.texi: Document cr16 install.
798 * doc/invoke.texi: Document cr16 options.
799 * doc/md.texi: Document cr16 constraints.
801 * common/config/cr16/cr16-common.c: New file.
802 * config/cr16/cr16.c: New file.
803 * config/cr16/cr16.h: New file.
804 * config/cr16/cr16.md: New file.
805 * config/cr16/cr16.opt: New file.
806 * config/cr16/cr16-protos.h: New file.
807 * config/cr16/predicates.md: New file.
808 * config/cr16/constraints.md: New file.
809 * config/cr16/t-cr16: New file.
811 2012-02-02 Jakub Jelinek <jakub@redhat.com>
814 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
815 that operands[2] is either immediate, or q_regs_operand.
817 PR tree-optimization/52073
818 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
819 a pattern stmt for pattern uses, ignore uses outside of the loop.
821 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
823 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
824 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
825 (OUT_AS1, OUT_AS2): Remove.
827 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
829 PR rtl-optimization/51374
830 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
831 to cross other volatile_refs_p insns.
833 2012-02-01 Richard Guenther <rguenther@suse.de>
835 * doc/invoke.texi (fno-inline): Clarify documentation.
836 (finline-small-functions): Likewise.
837 (finline-functions): Likewise.
838 * common.opt (finline): Adjust comment and documentation.
839 (finline-small-functions): Clarify documentation.
840 (finline-functions): Likewise.
841 (finline-functions-called-once): Likewise.
843 2012-02-01 Tristan Gingold <gingold@adacore.com>
845 * c-typeck.c (composite_type): Keep mode for pointers.
847 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
849 * function.h (regno_reg_rtx): Adjust comment.
850 * reginfo.c (init_reg_modes_target): Only use the previous mode
851 if it fits within one register. Remove MIPS comment.
853 2012-01-31 Jakub Jelinek <jakub@redhat.com>
856 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
858 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
860 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
863 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
865 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
867 2012-01-31 Jakub Jelinek <jakub@redhat.com>
872 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
874 2012-01-31 Richard Guenther <rguenther@suse.de>
876 PR tree-optimization/51528
877 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
880 2012-01-31 Jakub Jelinek <jakub@redhat.com>
885 * ree.c (add_removable_extension): Change def_map argument
886 to unsigned *, store in def_map 1 + offset into *insn_list vector
887 instead of pointers into the vector.
888 (find_removable_extensions): Adjust caller.
890 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
892 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
893 Transform all "* quoted-c-code" to { c-code }.
894 Remove redundant test for "optimize" in combine patterns.
895 Move (include "avr-dimode.md") to end of file.
897 2012-01-30 Bin Cheng <bin.cheng@arm.com>
900 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
901 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
903 2012-01-30 Richard Guenther <rguenther@suse.de>
905 PR tree-optimization/52028
906 * tree-loop-distribution.c (ldist_gen): Properly update
909 2012-01-30 Jakub Jelinek <jakub@redhat.com>
912 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
913 set_cur_line_info_table if not emitting debug info.
915 PR tree-optimization/52046
916 * tree-vect-patterns.c (check_bool_pattern): Give up if
917 a comparison could throw.
920 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
922 2012-01-30 Richard Guenther <rguenther@suse.de>
924 PR tree-optimization/52045
925 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
926 SSA form if cfgcleanup did anything.
928 2012-01-30 Richard Guenther <rguenther@suse.de>
930 PR tree-optimization/52045
931 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
932 before computing final todo.
934 2012-01-30 Richard Guenther <rguenther@suse.de>
936 PR tree-optimization/51528
937 * tree-sra.c (sra_modify_assign): Re-factor in preparation
940 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
942 * df-problems.c (df_kill_notes): Check that the use refers
943 to the note under examination.
945 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
948 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
949 parameter and use short-lived pseudos.
950 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
951 (sparc_expand_vector_init): Const-ify local variables and adjust
952 calls to above functions.
954 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
956 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
958 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
960 * doc/invoke.texi: Make usage of "compile time" and
961 "run time"/"runtime" consistent throughout the file.
963 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
965 * config/alpha/alpha.c (alpha_option_override): Default to
966 full IEEE compliance mode for Go language.
968 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
970 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
971 (LINK_SSP_SPEC): Define.
973 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
976 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
979 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
981 * doc/invoke.texi: Correct hyphenation of "floating point",
982 "double precision", and related terminology throughout the file.
984 2012-01-28 Jakub Jelinek <jakub@redhat.com>
987 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
988 arm_general_register_operand predicate for operand 2 instead of
991 2012-01-27 Ian Lance Taylor <iant@google.com>
994 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
995 * builtins.c (expand_builtin_init_trampoline): Add onstack
996 parameter. Change caller.
997 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
998 * tree.c (build_common_builtin_nodes): Declare
999 __builtin_init_heap_trampoline.
1001 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
1003 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
1004 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
1005 * config/avr/avr.c: Ditto.
1006 (avr_regnames): Remove because unused.
1007 * config/avr/avr.md (*cpse.ne): New peephole.
1008 (*cpse.eq): New peephole from former cpse peepholes.
1010 2012-01-27 Michael Eager <eager@eagercon.com>
1012 * config/microblaze.c (microblaze_emit_compare): Correct
1013 test after pcmp instruction.
1015 2012-01-27 Richard Guenther <rguenther@suse.de>
1017 PR tree-optimization/52020
1018 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
1020 2012-01-27 Richard Guenther <rguenther@suse.de>
1022 * ipa-pure-const.c (check_stmt): Clobbers do not make a
1023 function non-const/pure.
1025 2012-01-27 Richard Guenther <rguenther@suse.de>
1027 PR tree-optimization/50444
1028 * tree-sra.c (build_ref_for_offset): Properly adjust the
1029 MEM_REF type for unaligned accesses.
1031 2012-01-27 Richard Guenther <rguenther@suse.de>
1033 PR tree-optimization/50444
1034 * expr.c (mem_ref_refers_to_non_mem_p): New function.
1035 (expand_assignment): Use it. Properly handle misaligned
1036 bases when expanding stores to component references.
1037 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1040 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
1043 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1044 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1045 * tree-data-ref.c (find_data_references_in_loop): Make static.
1046 (compute_all_dependences): Change return type to bool. Bail out
1047 for too many datarefs in a loop. Move the hunk resetting the data
1048 dependences vector from ...
1049 (compute_data_dependences_for_loop): ... here. Account for
1050 compute_all_dependences returning false.
1051 (compute_data_dependences_for_bb): Likewise.
1052 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1053 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1055 2012-01-27 Richard Guenther <rguenther@suse.de>
1058 * expr.c (store_field): Use the alias-set of the scratch memory
1061 2012-01-27 Tom de Vries <tom@codesourcery.com>
1063 PR tree-optimization/51990
1064 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1066 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1068 2012-01-27 Jakub Jelinek <jakub@redhat.com>
1071 * var-tracking.c (reverse_op): Don't add any reverse operation
1072 if V already has any constant locations.
1074 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1076 * doc/invoke.texi: Correct usage of "command line" (noun)
1077 vs "command-line" (adjective) throughout.
1079 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1081 * doc/invoke.texi (Language Independent Options): Move
1082 -Wcoverage-mismatch blurb from here....
1083 (Warning Options): ...to here.
1085 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
1087 * config/rs6000/rs6000.c (rs6000_option_override_internal):
1088 Set rs6000_always_hint to false for 476.
1090 2012-01-27 Matthias Klose <doko@ubuntu.com>
1092 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1094 * incpath.c (add_standard_paths): Likewise.
1096 2012-01-27 Richard Henderson <rth@redhat.com>
1098 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1099 * config/m68k/sync.md (atomic_test_and_set): Rename from
1100 sync_test_and_setqi and adjust the operands.
1101 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1102 and unconditionally enable.
1104 2012-01-27 Richard Henderson <rth@redhat.com>
1106 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1107 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1108 (ldstub): Rename from ldstubqi.
1109 (ldstub<I24MODE>): Remove.
1111 2012-01-27 Richard Henderson <rth@redhat.com>
1113 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1114 * c-cppbuiltin.c (cpp_atomic_builtins): Define
1115 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1116 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1117 * doc/tm.texi: Rebuild.
1119 2012-01-27 Richard Henderson <rth@redhat.com>
1121 * optabs.c (gen_atomic_test_and_set): Remove default.
1122 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1124 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1126 PR rtl-optimization/51978
1127 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1128 (combine_reaching_defs): Likewise.
1129 (struct re_info): Remove.
1130 (add_removable_extension): Remove x and data arguments,
1131 add insn, insn_list and def_map. Use the arguments directly
1132 instead of using struct re_info.
1133 (find_removable_extensions): Don't call add_removable_extension
1134 through note_stores, instead just call it with single_set
1136 (find_and_remove_re): Pass curr_cand->expr instead of
1137 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1139 2012-01-26 Michael Matz <matz@suse.de>
1141 PR tree-optimization/46590
1142 * cfgexpand.c: Revert last change (r183305).
1143 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1145 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1146 checking for emptiness.
1148 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1151 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1152 non-addressable non-BLKmode base correctly.
1154 2012-01-26 Michael Matz <matz@suse.de>
1156 PR tree-optimization/48794
1157 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1158 regions referenced from RESX/EH_DISPATCH.
1160 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1162 * config/s390/s390.h: Make BRANCH_COST an option.
1163 * config/s390/s390.opt: New option -mbranch-cost.
1165 2012-01-26 Richard Henderson <rth@redhat.com>
1167 Revert 2012-01-24 change:
1168 * trans-mem.c (requires_barrier): Do not instrument thread local
1169 variables and emit save/restore for them.
1171 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1174 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1177 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
1179 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1182 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
1185 Rename __pgm to __flash.
1186 Rename __pgm1 to __flash1.
1187 Rename __pgm2 to __flash2.
1188 Rename __pgm3 to __flash3.
1189 Rename __pgm4 to __flash4.
1190 Rename __pgm5 to __flash5.
1191 Rename __pgmx to __memx.
1192 * doc/extend.texi (AVR Named Address Spaces)
1193 Rename address space names as indicated above.
1194 * config/avr/avr.c (avr_addrspace): Ditto.
1196 * config/avr/avr-protos.h
1197 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1198 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1199 * config/avr/predicates.md: Ditto.
1200 * config/avr/avr.c Ditto, and
1201 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1202 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1204 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1205 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1206 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1207 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1208 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1209 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1210 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1211 * config/avr/avr.c: Ditto.
1212 * config/avr/avr.md: Ditto.
1214 2012-01-25 Jason Merrill <jason@redhat.com>
1217 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1219 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1221 PR tree-optimization/51987
1222 * tree-data-ref.c (get_references_in_stmt): Handle references in
1223 non-volatile GIMPLE_ASM.
1225 2012-01-25 Richard Guenther <rguenther@suse.de>
1227 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1228 bases are dereferenced.
1230 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1232 PR rtl-optimization/48374
1233 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1235 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1237 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1238 compute_data_dependences_for_loop returns false.
1239 * tree-parloops.c (loop_parallel_p): Likewise.
1241 2012-01-25 Richard Guenther <rguenther@suse.de>
1243 * tree.h (get_pointer_alignment_1): Declare.
1244 * builtins.c (get_pointer_alignment_1): New function.
1245 (get_pointer_alignment): Use it.
1247 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1249 PR rtl-optimization/48308
1250 * combine.c (enum undo_kind): Add UNDO_LINKS.
1251 (struct undo): Add member l to other_contents and where.
1252 (do_SUBST_LINK): New.
1254 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1255 (undo_all): Handle UNDO_LINKS.
1257 2012-01-25 Richard Henderson <rth@redhat.com>
1259 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1262 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1264 * optabs.c (gen_atomic_test_and_set): Use each argument.
1266 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1268 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1269 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1270 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1271 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1272 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1273 TARGET_PAIRED_SINGLE_FLOAT.
1275 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1277 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1278 (in_struct, return_val): Remove MEM documentation.
1279 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1280 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1281 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1283 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1284 * cfgexpand.c (add_alias_set_conflicts): Likewise.
1285 * expr.c (store_field): Likewise.
1286 * function.c (assign_stack_temp_for_type): Likewise.
1287 * ifcvt.c (noce_try_cmove_arith): Likewise.
1288 * reload1.c (reload): Likewise.
1289 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1290 (alpha_set_memflags): Likewise.
1291 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1293 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1295 * rtl.h (true_dependence, canon_true_dependence): Remove varies
1297 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1298 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1299 (true_dependence_1, true_dependence, canon_true_dependence): Remove
1301 * cselib.c (cselib_rtx_varies_p): Delete.
1302 (cselib_invalidate_mem): Update call to canon_true_dependence.
1303 * dse.c (record_store, check_mem_read_rtx): Likewise.
1304 (scan_reads_nospill): Likewise.
1305 * cse.c (check_dependence): Likewise.
1306 (cse_rtx_varies_p): Delete.
1307 * expr.c (safe_from_p): Update call to true_dependence.
1308 * ira.c (validate_equiv_mem_from_store): Likewise.
1309 (memref_referenced_p): Likewise.
1310 * postreload-gcse.c (find_mem_conflicts): Likewise.
1311 * sched-deps.c (sched_analyze_2): Likewise.
1312 * store-motion.c (load_kills_store): Likewise.
1313 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1314 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1315 (compute_transp): Update call to canon_true_dependence.
1317 2012-01-25 Richard Henderson <rth@redhat.com>
1319 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1320 (maybe_emit_atomic_test_and_set): New.
1321 (expand_sync_lock_test_and_set): Use it.
1322 (expand_atomic_test_and_set): Likewise.
1323 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1324 the implementation; clarify implementation defined details.
1325 * doc/md.texi (atomic_test_and_set): Document.
1327 2012-01-25 Richard Henderson <rth@redhat.com>
1329 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1331 2012-01-25 Richard Henderson <rth@redhat.com>
1334 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1335 to effect no-op split.
1337 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1340 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1341 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1342 (BT_FN_VOID_PTR_INT_SIZE): New.
1343 (BT_FN_UINT_UINT_VAR): Remove.
1344 (BT_FN_UINT32_UINT32_VAR): New.
1345 (BT_FN_DOUBLE_VPTR): Remove.
1346 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1348 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1349 (_ITM_changeTransactionMode): Same.
1350 (_ITM_memmoveRtWt): Change return type to void.
1351 (_ITM_memcpyRtWt): Same.
1352 (_ITM_memsetW): Same.
1353 (_ITM_RaRD): Change types to double.
1358 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1360 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1361 Patrick Marlier <patrick.marlier@gmail.com>
1363 * trans-mem.c (requires_barrier): Do not instrument thread local
1364 variables and emit save/restore for them.
1366 2012-01-24 Jason Merrill <jason@redhat.com>
1369 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1370 output static aliases.
1372 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1375 * common.opt (-pie, -shared, pie, shared): Change from Common to
1377 * gcc.c (display_help): Display help for -pie and -shared.
1379 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1382 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1383 Remove note on size/offset limitation.
1384 (AVR Variable Attributes): Add example how to read data located
1385 with progmem. Refer to named address spaces.
1386 * doc/invoke.texi (AVR Options): Fix typo.
1388 2012-01-24 Richard Guenther <rguenther@suse.de>
1390 Forward-port to trunk
1391 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1394 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1395 op0 isn't sufficiently aligned and there is movmisalignM
1396 insn for mode, use it to load op0 into a temporary register.
1398 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1401 * target.def (const_not_ok_for_debug_p): New hook.
1402 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1404 * doc/tm.texi: Regenerated.
1405 * dwarf2out.c (const_ok_for_output_1): If
1406 targetm.const_not_ok_for_debug_p returns true, fail.
1407 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1409 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1411 2012-01-23 Kai Tietz <ktietz@redhat.com>
1414 * config/i386/predicates.md (symbolic_operand): Allow
1415 UNSPEC_PCREL as PIC expression for lea.
1416 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1417 * config/i386/i386.c (ix86_delegitimize_address): Handle
1418 UNSPEC_PCREL for none-MEM, too.
1420 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1422 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1423 (ipa_tm_create_version_alias): Same.
1425 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1428 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1429 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1431 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1432 Patrick Marlier <patrick.marlier@gmail.com>
1433 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1436 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1437 simple_object_start_read.
1439 2012-01-23 Richard Guenther <rguenther@suse.de>
1442 PR tree-optimization/51895
1443 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1444 parameter decomposition into BLKmode components.
1446 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1448 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1449 fake variables for restrict-qualified pointers whose pointed-to type
1450 contains a placeholder.
1452 2012-01-23 Richard Guenther <rguenther@suse.de>
1454 PR tree-optimization/51949
1455 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1457 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1459 PR rtl-optimization/51933
1460 * ree.c (transform_ifelse): Return true right away if dstreg is
1461 already wider or equal to cand->mode.
1462 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1463 (make_defs_and_copies_lists): Remove defs_list and copies_list
1464 arguments, add state argument, just truncate state->work_list
1465 instead of always allocating and freeing the vector. Assert that
1466 get_defs succeeds instead of returning 2. Changed return type to bool.
1467 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1468 have ext_src_mode, see if it has been modified already with the
1469 right kind of extension and has been extended before from the
1470 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1471 just return true. Remember the original mode in state->modified array.
1472 (combine_reaching_defs): Add state argument. Don't allocate and
1473 free here def_list, copied_list and vec vectors, instead just
1474 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1475 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1476 Add state variable, clear vectors in it, initialize state.modified
1477 if needed. Free all the vectors at the end and state.modified too.
1478 Don't skip a candidate if the extension expression has been modified.
1480 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1483 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1484 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1485 (extra_options) interix.opt -> i386/interix.opt"
1486 (extra_objs):Add winnt-stubs.o
1487 * configure.ac: Add interix to target_os .comm on PE check.
1488 * configure: Regenerate.
1489 * config/interix3.h: Delete and move bits to..
1490 * config/interix.h: Delete and move bits to..
1491 * config/i386/i386-interix3.h: Delete and move bits to..
1492 * config/i386/i386-interix.h: ..here.
1493 (TARGET_CPU_DEFAULT): Remove redefinition.
1494 (TARGET_ASM_CONSTRUCTOR): Undefine.
1495 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1496 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1497 (PTRDIFF_TYPE): Define.
1498 (LONG_DOUBLE_TYPE_SIZE): Define.
1499 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1500 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1501 (TARGET_SECTION_TYPE_FLAGS): Define.
1502 (ASM_DECLARE_FUNCTION_NAME): Define.
1503 (ASM_OUTPUT_EXTERNAL): Define.
1504 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1505 (ASM_OUTPUT_ALIGNED_BSS): Define.
1506 (PCC_BITFIELD_TYPE_MATTERS): Define.
1507 (USE_CONST_SECTION): Define.
1508 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1509 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1510 (SUPPORTS_ONE_ONLY): Remove.
1511 (I386_PE_STRIP_ENCODING): Define.
1512 * config/interix.opt: Delete and move bits to..
1513 * config/i386/interix.opt: ..here. New.
1514 (mpe-aligned-commons): Add.
1515 * config/i386/t-interix: Add copyright header.
1516 (winnt-stubs.o): Add rule.
1518 2012-01-22 Jason Merrill <jason@redhat.com>
1521 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1522 for extra name aliases.
1524 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1526 PR rtl-optimization/51924
1527 * ree.c (combine_set_extension): Improve debugging message.
1528 (combine_reaching_defs): Likewise.
1529 (get_defs): Rename confusingly named variable.
1530 (find_and_remove_re): Skip a candidate if the extension expression has
1533 2012-01-21 Robert Millan <rmh@gnu.org>
1534 Gerald Pfeifer <gerald@pfeifer.com>
1536 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1537 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1539 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1541 PR tree-optimization/51914
1542 * tree-vect-stmts.c (vectorizable_conversion): For
1543 cvt_type && modifier == WIDEN, put temporary with cvt_type
1544 at the beginning of vec_dsts and set vec_dest to temporary
1547 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1549 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1551 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1553 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1554 * config/rs6000/rs6000.c: Likewise.
1556 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1559 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1560 output_move_double on a copy of operands array.
1562 2012-01-20 Cary Coutant <ccoutant@google.com>
1563 Dodji Seketeli <dodji@redhat.com>
1566 * dwarf2out.c (copy_declaration_context): Return ref to parent
1567 of declaration DIE, if necessary.
1568 (remove_child_or_replace_with_skeleton): Add new parameter; update
1569 caller. Place skeleton DIE under parent DIE of original declaration.
1570 Move call to copy_declaration_context to here ...
1571 (break_out_comdat_types): ... from here.
1573 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1575 PR rtl-optimization/51856
1576 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1579 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1582 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1583 hints for neon loads and stores.
1585 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1589 * doc/extend.texi (Named Address Spaces): Split into subsections.
1590 (AVR Named Address Spaces): New subsection.
1591 (M32C Named Address Spaces): New subsection.
1592 (RL78 Named Address Spaces): New subsection.
1593 (SPU Named Address Spaces): New subsection.
1594 (Variable Attributes): New anchor "AVR Variable Attributes".
1595 (AVR Variable Attributes): Rewrite and avoid wording
1596 "address space" in this context.
1597 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1598 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1599 (AVR Built-in Macros): New subsubsection therein.
1600 * doc/md.texi (AVR constraints): Remove "C04", "R".
1602 2012-01-20 Richard Guenther <rguenther@suse.de>
1604 PR tree-optimization/51903
1605 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1606 when removing stmts.
1608 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1611 * config/arm/arm.c (arm_load_pic_register): Use
1612 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1613 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1614 (arm_pic_static_addr): Likewise.
1615 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1616 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1617 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1618 (pic_load_addr_unified): New.
1620 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1623 * function.c (instantiate_virtual_regs_in_insn): Use
1624 delete_insn_and_edges when removing a wrong asm insn.
1626 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1628 PR rtl-optimization/40761
1629 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1630 Add new member loop_num.
1631 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1632 (ira_build): Remove the parameter.
1634 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1635 (ira.c): Do not build CFG loops for one region allocation. Remove
1636 argument from ira_build call.
1638 * ira-build.c (init_loop_tree_node): New function.
1639 (create_loop_tree_nodes): Use it. Separate the case when CFG
1640 loops are not built.
1641 (more_one_region_p): Check current_loops.
1642 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1644 (add_loop_to_tree): Process loop equal to NULL too.
1645 (form_loop_tree): Separate the case when CFG loops are not built.
1646 Use explicitly number for the root.
1647 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1649 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1650 instead of loop->num.
1651 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1652 (mark_all_loops_for_removal): Ditto.
1653 (remove_unnecessary_regions): Separate the case when CFG loops
1655 (ira_build): Remove the parameter. Use explicit number of regions
1656 when CFG loops are not built.
1658 * ira-color.c (print_loop_title): Separate the case for the root node.
1659 Use loop_num instead of loop->num.
1660 (move_spill_restore): Use loop_num instead of loop->num.
1662 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1663 (change_loop): Ditto.
1664 (change_loop): Use loop_num instead of loop->num.
1666 * ira-lives.c (process_bb_node_lives): Ditto.
1668 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1670 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1672 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1675 * tree-mudflap.c (mf_artificial): New function.
1676 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1677 mx_register_decls, mudflap_enqueue_decl): Use it.
1680 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1681 numbers in the insn pattern.
1683 2012-01-19 Michael Matz <matz@suse.de>
1685 PR tree-optimization/46590
1686 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1687 use it in remembering which conflicts we already created.
1688 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1691 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1694 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1695 (merge_and_complain): Same.
1697 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1700 * config/initfini-array.h: Guard content of the header
1701 with #ifdef HAVE_INITFINI_ARRAY.
1702 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1703 Add initfini-array.h to tm_file here.
1704 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1705 * config.gcc: Don't add initfini-array.h to tm_file here.
1706 * configure: Regenerated.
1708 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1710 PR rtl-optimization/51505
1711 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1712 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1713 (df_note_bb_compute): Update the call to df_kill_notes.
1715 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1717 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1719 2012-01-18 Richard Guenther <rguenther@suse.de>
1721 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1722 of conversions to void *.
1724 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1725 Richard Sandiford <rdsandiford@googlemail.com>
1729 * optabs.h (simplify_expand_binop): Declare.
1730 * optabs.c (simplify_expand_binop): Make global.
1731 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1732 endian targets if the source cannot be exactly covered by word
1735 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1738 * hard-reg-set.h (struct hard_reg_set_container): New type.
1739 * target.h (struct hard_reg_set_container): Forward declare.
1740 * target.def (set_up_by_prologue): New target hook.
1741 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1742 * doc/tm.texi: Regenerated.
1743 * function.c (thread_prologue_and_epilogue_insns): Change
1744 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1745 Call targetm.set_up_by_prologue on it.
1746 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1747 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1749 2012-01-17 Nick Clifton <nickc@redhat.com>
1751 * config/rx/rx.c (rx_can_use_simple_return): New function.
1752 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1753 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1755 2012-01-17 Richard Guenther <rguenther@suse.de>
1758 * expr.c (expand_assignment): Take address-space information
1759 from the address operand of MEM_REF and TARGET_MEM_REF.
1760 (expand_expr_real_1): Likewise.
1762 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1764 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1765 reload dump is requested.
1767 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1770 * trans-mem.c (requires_barrier): Call may_be_aliased.
1772 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1774 PR tree-optimization/51877
1775 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1776 call arguments and fndecls compare equal, instead return false if they
1777 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1778 both SSA_NAMEs that are valueized the same, or they satisfy
1781 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1783 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1785 * configure: Regenerate.
1787 2012-01-16 Jan Hubicka <jh@suse.cz>
1791 * convert.c (convert_to_integer): Use fold_convert for
1792 converting an INTEGER_CST to integer type.
1794 2012-01-16 Jason Merrill <jason@redhat.com>
1797 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1799 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1802 * config/s390/s390.c (s390_chunkify_start): Don't skip
1803 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1804 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1805 If insn is followed by NOTE_INSN_VAR_LOCATION or
1806 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1807 Don't use location of note insns.
1809 PR tree-optimization/51865
1810 * tree-inline.c (tree_function_versioning): Call remap_decl
1811 on DECL_RESULT whenever it has VOID_TYPE_P type.
1813 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1815 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1816 for calls to locally-binding MIPS16 functions if only the return
1817 type uses float regs.
1819 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1820 Richard Sandiford <rdsandiford@googlemail.com>
1822 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1823 (SYMBOL_32_HIGH): Likewise.
1824 (mips_output_tls_reloc_directive): Declare.
1825 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1826 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1827 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1828 (mips_lo_relocs, mips_hi_relocs): Make extern.
1829 (mips16_stub_function): Move up file.
1830 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1831 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1832 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1833 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1834 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1835 (mips_get_tp): Add MIPS16 support.
1836 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1837 Generalize DTPREL and TPREL handling.
1838 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1839 Add MIPS16 TLS support.
1840 (mips_output_tls_reloc_directive): New function.
1841 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1842 * config/mips/predicates.md (symbolic_operand_with_high)
1843 (tls_reloc_operand): New predicates.
1844 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1845 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1846 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1847 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1848 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1849 (*tls_get_tp_mips16_call_<mode>): Likewise.
1851 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1853 PR rtl-optimization/51821
1854 * recog.c (peep2_find_free_register): Determine clobbered registers
1857 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1860 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1861 * config/avr/avr.c: Likewise.
1862 * config/avr/avr.h: Likewise.
1864 2012-01-13 Ian Lance Taylor <iant@google.com>
1867 * tree.h (TYPE_QUALS): Add cast to int.
1868 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1870 2012-01-13 Ian Lance Taylor <iant@google.com>
1872 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1873 comparing param_index to VEC_length result.
1875 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1877 * c-decl.c: Do not include tree-mudflap.h
1878 * tree-optimize.c: Likewise.
1879 * Makefile.in: Update dependencies.
1881 2012-01-13 Richard Guenther <rguenther@suse.de>
1884 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1885 variable-sized result always use RSO.
1887 2012-01-12 DJ Delorie <dj@redhat.com>
1889 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1890 pointer type, not just the default pointer type.
1892 2012-01-09 Richard Henderson <rth@redhat.com>
1893 Denis Chertykov <chertykov@gmail.com>
1896 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1897 * config/avr/avr.c (avr_can_eliminate): Simplify.
1898 (avr_initial_elimination_offset): Likewise.
1899 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1900 (expand_epilogue): Likewise.
1901 (avr_legitimize_address): Gut.
1902 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1903 (avr_hard_regno_nregs): New.
1904 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1905 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1906 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1907 add soft frame pointer.
1908 (CALL_USED_REGISTERS): Likewise.
1909 (REG_CLASS_CONTENTS): Likewise.
1910 (REGISTER_NAMES): Likewise.
1911 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1912 (HARD_FRAME_POINTER_REGNUM): New.
1913 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1914 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1915 remove the HARD_FRAME_POINTER self-elimination.
1917 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1920 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1921 DECL_EXTERNAL when checking for initializers of progmem variables.
1923 2012-01-12 Ira Rosen <irar@il.ibm.com>
1925 PR tree-optimization/51799
1926 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1927 that the last operation is a type demotion.
1929 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1931 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1932 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1934 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1937 * combine.c (distribute_notes): If i3 is a noreturn call,
1938 allow old_size to be equal to args_size and make sure the
1939 noreturn call gets REG_ARGS_SIZE note.
1940 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1941 on noreturn calls even when the delta is 0.
1943 2012-01-11 Nathan Sidwell <nathan@acm.org>
1945 * gcov.c (STRING_SIZE): Remove.
1946 (generate_results): Erase annotations for source files with no
1947 coverage information.
1949 (output_lines): Use it.
1951 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1953 * gimple.h (gimplify_body): Remove first argument.
1954 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1955 pointer set here, instead just pass DATA to walk_tree.
1956 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1957 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1958 (unvisit_body): Likewise, but with unmark_visited.
1959 (gimplify_body): Remove BODY_P argument and adjust.
1960 (gimplify_function_tree): Adjust call to gimplify_body.
1961 * omp-low.c (finalize_task_copyfn): Likewise.
1963 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1965 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1966 (build_function_type_skip_args): Delete.
1967 * tree.c (build_function_type_skip_args): Make static and add
1968 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1969 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1970 pass it to build_function_type_skip_args.
1971 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1972 (tree_function_versioning): Likewise.
1973 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1974 build_function_decl_skip_args.
1975 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1976 and pass it to build_function_decl_skip_args/tree_function_versioning.
1977 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1978 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1979 * trans-mem.c (ipa_tm_create_version): Likewise.
1980 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1981 * tree-inline.c (declare_return_variable): Remove always-true test.
1982 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1983 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1984 * ipa-split.c (split_function): Skip the return value for the split
1985 part if it doesn't return.
1987 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1989 PR tree-optimization/49642
1990 * ipa-split.c (forbidden_dominators): New variable.
1991 (check_forbidden_calls): New function.
1992 (dominated_by_forbidden): Likewise.
1993 (consider_split): Check for forbidden dominators.
1994 (execute_split_functions): Initialize and free forbidden
1995 dominators info; call check_forbidden_calls.
1997 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1999 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
2001 2012-01-11 Nick Clifton <nickc@redhat.com>
2003 * config/rx/rx.md (return): Define pattern.
2005 2012-01-11 Richard Guenther <rguenther@suse.de>
2007 * doc/extend.texi (malloc attribute): Adjust according to
2010 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
2011 Patrick Marlier <patrick.marlier@gmail.com>
2014 * trans-mem.c (get_cg_data): Traverse aliases if requested.
2015 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
2016 (ipa_tm_note_irrevocable): Same.
2017 (ipa_tm_scan_irr_block): Same.
2018 (ipa_tm_decrement_clone_counts): Same.
2019 (ipa_tm_scan_irr_function): Same.
2020 (ipa_tm_create_version_alias): Same.
2021 (ipa_tm_create_version): Same.
2022 (ipa_tm_transform_calls_redirect): Same.
2023 (ipa_tm_transform_calls): Same.
2024 (ipa_tm_transform_transaction): Same.
2025 (ipa_tm_execute): Same.
2027 2012-01-10 Richard Guenther <rguenther@suse.de>
2030 * opts.c (common_handle_option): Handle -Werror.
2032 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
2034 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2037 2012-01-10 Jason Merrill <jason@redhat.com>
2039 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2042 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2044 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2045 supports R_386_TLS_GD_PLT reloc.
2046 (gcc_cv_as_ix86_tlsldmplt): Check if linker
2047 supports R_386_TLS_LDM_PLT reloc.
2048 * configure: Regenerate.
2049 * config.in: Regenerate.
2051 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
2054 Extend __pgmx semantics to linearize memory.
2055 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2056 determine if code comes inline or from libgcc.
2057 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2058 (movmem_qi, movmem_qi): Set constraint #2 to "n".
2059 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2060 (movmemx_qi, movmemx_hi): New insns.
2061 (xload_<mode>_libgcc): Rewrite to new insn condition.
2062 (xload_<mode>): Remove insns.
2063 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2064 cases that don't satisfy avr_xload_libgcc_p().
2065 (avr_addr_space_convert): Allow converting in any direction.
2066 (avr_addr_space_subset_p): Return always true.
2067 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2068 (avr_emit_movmemhi): Ditto.
2069 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2070 (avr_out_movmem): Ditto.
2071 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2072 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2073 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2074 (avr_encode_section_info): Encode 'progmem' in symbol flags.
2075 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2077 2012-01-10 Richard Guenther <rguenther@suse.de>
2079 PR tree-optimization/50913
2080 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2081 Require data-refs to be representable by Graphite with respect
2084 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
2086 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2087 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2089 2012-01-10 Tom de Vries <tom@codesourcery.com>
2091 PR rtl-optimization/51271
2092 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2093 handling annulled branch.
2095 2012-01-10 Richard Henderson <rth@redhat.com>
2097 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2098 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2099 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2100 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2101 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2102 arm_expand_vec_perm_const): New.
2103 * config/arm/arm-protos.h: Update.
2104 * config/arm/neon.md (UNSPEC_VCONCAT): New.
2105 (*neon_vswp<VDQX>): New.
2106 (neon_vcombine<VDX>): Use neon_split_vcombine.
2107 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2108 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2109 (vec_perm<VE>): New.
2111 2012-01-10 Richard Henderson <rth@redhat.com>
2113 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2114 use it if reload_completed.
2115 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2116 arm_output_asm_insn, arm_process_output_memory_barrier,
2117 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2118 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2119 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2120 arm_process_output_sync_insn, arm_output_sync_insn,
2121 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2122 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2123 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2124 (emit_unlikely_jump): New.
2125 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2126 (arm_split_atomic_op): New.
2127 * config/arm/arm-protos.h: Update.
2128 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2129 (struct arm_sync_generator): Remove.
2130 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2131 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2132 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2133 (VUNSPEC_LL, VUNSPEC_SC): New.
2134 (sync_result, sync_memory, sync_required_value, sync_new_value,
2135 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2136 (attr length): Don't use arm_sync_loop_insns.
2137 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2138 (movsfcc, movdfcc): Likewise.
2139 * config/arm/constraints.md (Ua): New.
2140 * config/arm/prediates.md (mem_noofs_operand): New.
2141 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2142 (sync_clobber, sync_t2_reqd): Remove.
2143 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2144 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2145 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2146 (arm_sync_compare_and_swap<SIDI>): Remove.
2147 (arm_sync_compare_and_swap<NARROW>): Remove.
2148 (arm_sync_lock_test_and_set<SIDI>): Remove.
2149 (arm_sync_lock_test_and_set<NARROW>): Remove.
2150 (arm_sync_new_<syncop><SIDI>): Remove.
2151 (arm_sync_new_<syncop><NARROW>): Remove.
2152 (arm_sync_new_nand<SIDI>): Remove.
2153 (arm_sync_new_nand<NARROW>): Remove.
2154 (arm_sync_old_<syncop><SIDI>): Remove.
2155 (arm_sync_old_<syncop><NARROW>): Remove.
2156 (arm_sync_old_nand<SIDI>): Remove.
2157 (arm_sync_old_nand<NARROW>): Remove.
2158 (*memory_barrier): Merge arm_output_memory_barrier.
2159 (atomic_compare_and_swap<QHSD>): New.
2160 (atomic_compare_and_swap<NARROW>_1): New.
2161 (atomic_compare_and_swap<SIDI>_1): New.
2162 (atomic_exchange<QHSD>): New.
2163 (cas_cmp_operand, cas_cmp_str): New.
2164 (atomic_op_operand, atomic_op_str): New.
2165 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2166 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2167 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2168 (arm_load_exclusive<NARROW>): New.
2169 (arm_load_exclusivesi, arm_load_exclusivedi): New.
2170 (arm_store_exclusive<QHSD>): New.
2172 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2174 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2175 reload patterns if -mvsx-scalar-memory.
2177 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2178 generated, even -mno-vsx-scalar-double was used.
2179 (vsx_xscvdpsp_scalar): Likewise.
2180 (vsx_xscvspdp_scalar2): Likewise.
2182 2012-01-09 Tom de Vries <tom@codesourcery.com>
2183 Andrew Pinski <apinski@cavium.com>
2186 * reorg.c (fill_slots_from_thread): Don't speculate
2187 frame-related insns.
2189 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
2191 * sched-int.h (bb_note): Move to...
2192 * basic-block.h: ...here.
2193 * haifa-sched.c (bb_note): Move to...
2194 * cfgrtl.c: ...here.
2195 * function.c (next_block_for_reg): New function.
2196 (move_insn_for_shrink_wrap): Likewise.
2197 (prepare_shrink_wrap): Rewrite to use the above.
2199 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
2201 * gimple.c (is_gimple_non_addressable): Remove.
2202 * gimple.h: Remove is_gimple_non_addressable.
2203 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2204 is_gimple_non_addressable.
2205 * trans-mem.c (expand_assign_tm): Same.
2207 2012-01-09 Richard Guenther <rguenther@suse.de>
2209 PR tree-optimization/51775
2210 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2211 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2213 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2215 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2217 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2219 2012-01-09 Richard Guenther <rguenther@suse.de>
2221 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2223 2012-01-08 Jan Hubicka <jh@suse.cz>
2225 PR tree-optimize/51680
2226 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2227 on when known_vals needs to be computed; cleanup.
2229 2012-01-08 Jan Hubicka <jh@suse.cz>
2231 PR tree-optimize/51694
2232 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2234 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
2236 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2237 for -std=c++98 and -std=c++11 too.
2239 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
2241 * cfgloop.c (cancel_loop): Add free() of bbs array.
2243 2012-01-07 Jan Hubicka <jh@suse.cz>
2245 PR tree-optimization/51600
2246 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2247 that benefits small functions.
2249 2012-01-07 Jan Hubicka <jh@suse.cz>
2251 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2253 2012-01-07 Jan Hubicka <jh@suse.cz>
2255 PR tree-optimization/51680
2256 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2257 whose inlining reduce unit size.
2259 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2262 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2263 Add canonical node to containing_mem chain after the non-canonical
2264 one, even if there weren't any locs to propagate.
2265 (remove_useless_values): Keep only canonical values.
2266 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2267 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2268 canonicalize mem_chain elements that are not discarded.
2270 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2273 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2274 before emitting functions.
2276 PR gcov-profile/50127
2277 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2278 clear_aux_for_blocks.
2280 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
2283 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2285 2012-01-06 Arnaud Charlet <charlet@adacore.com>
2287 * c-decl.c (ext_block): Moved up.
2288 (collect_all_refs, for_each_global_decl): Take ext_block into account.
2290 2012-01-06 Han Shen <shenhan@google.com>
2292 Translate built-in include paths for sysroot.
2293 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2294 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2296 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2297 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2299 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2300 control whether sysroot should be prepended to gxx include dir.
2302 * configure: Regenerate.
2304 2012-01-06 Torvald Riegel <triegel@redhat.com>
2306 PR rtl-optimization/51771
2307 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2308 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2310 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2312 PR tree-optimization/51315
2313 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2314 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2316 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
2319 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2320 for shrp pattern. Correctly handle and fixup shift variable.
2321 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2323 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2326 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2327 note when !ACCUMULATE_OUTGOING_ARGS.
2329 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2331 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2333 (extract_range_from_unary_expr_1): Avoid useless computations.
2335 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2337 PR rtl-optimization/51767
2338 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2339 of jump_block and add an extra edge for degenerated asm gotos.
2342 * stmt.c (check_unique_operand_names): Don't ICE during error
2343 reporting if i is from labels chain.
2346 * profile.c (branch_prob): Split bbs that have exit edge
2347 and need a fake entry edge too.
2349 2012-01-05 Jan Hubicka <jh@suse.cz>
2352 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2355 2012-01-05 Richard Guenther <rguenther@suse.de>
2358 * tree-streamer-out.c (write_ts_optimization): New function.
2359 (streamer_write_tree_body): Call it.
2360 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2361 (streamer_read_tree_body): Call it.
2362 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2364 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2367 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2368 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2369 in_cleanup_point_expr before gimplify_stmt call and restore it
2371 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2372 in_cleanup_point_expr is false.
2374 2012-01-05 Richard Guenther <rguenther@suse.de>
2377 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2379 * toplev.c (process_options): Reject combining mudflap and LTO.
2380 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2382 2012-01-05 Richard Guenther <rguenther@suse.de>
2384 PR tree-optimization/51760
2385 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2387 (bit_value_unop): Handle UNDEFINED operands.
2388 (bit_value_binop): Likewise.
2390 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2392 * config/avr/avr.c (avr_replace_prefix): Remove.
2393 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2394 (avr_asm_function_rodata_section): Ditto.
2395 (avr_asm_select_section): Ditto.
2397 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2399 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2402 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2405 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2406 calls that have any non-fake successor edges.
2409 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2411 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2413 PR tree-optimization/51624
2414 * tree-sra.c (build_ref_for_model): When replicating a chain of
2415 COMPONENT_REFs, stop as soon as the offset would become negative.
2417 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2420 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2421 in .debug_loc on the floor.
2423 2012-01-04 Andrew Pinski <apinski@cavium.com>
2425 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2427 2012-01-04 Andrew Pinski <apinski@cavium.com>
2428 Adam Nemet <anemet@caviumnetworks.com>
2430 * config/mips/mips.md (size): Add SI and DI.
2431 (SIZE): New mode attribute.
2432 (U): New code attribute.
2433 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2434 (mips_lbux_<mode>): Delete.
2435 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2436 (mips_lhx): Use gen_mips_lhx_extsi.
2437 (mips_lhx_<mode>): Delete.
2439 (mips_l<size>x): New expand.
2440 (mips_lwx_<mode>): Delete.
2441 (mips_l<GPR:size>x_<P:mode>): New pattern.
2442 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2443 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2444 * config/mips/mips.c (mips_lx_address_p): New function.
2445 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2446 (dsp64): New availability predicate.
2447 (mips_builtins): Add an entry for __builtin_mips_ldx.
2448 * config/mips/mips.h (ISA_HAS_LBX): New define.
2449 (ISA_HAS_LBUX): Likewise.
2450 (ISA_HAS_LHX): Likewise.
2451 (ISA_HAS_LHUX): Likewise.
2452 (ISA_HAS_LWX): Likewise.
2453 (ISA_HAS_LWUX): Likewise.
2454 (ISA_HAS_LDX): Likewise.
2455 * doc/extend.texi (__builtin_mips_ldx): Document.
2457 2012-01-04 Tristan Gingold <gingold@adacore.com>
2459 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2460 when long pointers are used.
2461 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2462 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2463 (ia64-hp-*vms*): Remove.
2464 * config/vms/xm-vms64.h: Delete.
2466 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2469 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2471 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2473 * opts.c (finish_options): Remove duplicate sorry.
2475 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2478 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2481 2012-01-04 Richard Guenther <rguenther@suse.de>
2484 * tree.c (size_low_cst): New function.
2485 * tree.h (size_low_cst): Declare.
2486 * fold-const.c (fold_comparison): Use it to extract the low
2487 part of the POINTER_PLUS_EXPR offset.
2489 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2491 Fix clearing ZERO_REG
2492 * config/avr/avr.md (cc): Add alternative "ldi".
2493 (movqi_insn): Use it in cc attribute.
2494 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2495 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2496 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2498 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2500 * configure: Regenerate.
2502 2012-01-04 Richard Guenther <rguenther@suse.de>
2504 PR tree-optimization/49651
2505 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2506 (var_can_have_subvars): Use it.
2507 (get_constraint_for_1): Only consider subfields if there can be any.
2509 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2512 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2513 to its new canonical_cselib_val and the cselib_val was in
2514 first_containing_mem chain, but the canonical_cselib_val was not,
2515 add the latter into the chain.
2516 (cselib_invalidate_mem): Compare canonical_cselib_val of
2517 addr_list chain elt with v.
2520 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2521 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2523 (output_macinfo_op): Don't ggc_strdup fd->filename.
2524 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2525 then ggc_strdup it. Don't free inc->info or cur->info.
2526 (output_macinfo): Don't free ref->info or file->info.
2528 2012-01-03 Ira Rosen <irar@il.ibm.com>
2530 PR tree-optimization/51269
2531 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2532 first_niters a pointer.
2533 (slpeel_tree_peel_loop_to_edge): Likewise.
2534 (vect_do_peeling_for_loop_bound): Update call to
2535 slpeel_tree_peel_loop_to_edge.
2536 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2537 here. Remove it from the parameters list.
2538 (vect_do_peeling_for_alignment): Update calls and compute
2541 2012-01-03 Richard Guenther <rguenther@suse.de>
2543 PR tree-optimization/51070
2544 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2545 Properly handle calls.
2547 2012-01-03 Richard Guenther <rguenther@suse.de>
2549 PR tree-optimization/51692
2550 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2551 the LHS of allocation stmts.
2553 2012-01-03 Olivier Hainque <hainque@adacore.com>
2555 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2557 2012-01-03 Olivier Hainque <hainque@adacore.com>
2559 * collect2.c (main): In AIX specific computations for vector
2560 insertions, use CONST_CAST2 to cast from char ** to const char **.
2562 2012-01-03 Richard Guenther <rguenther@suse.de>
2565 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2566 the context of a limbo DIE when it does not already exist.
2568 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2570 PR tree-optimization/51719
2571 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2572 but direct call is, clear direct call's lhs and don't add fallthrough
2573 edge from dcall_bb to join_bb and PHIs.
2575 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2577 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2578 the instructions emitted by the pattern.
2579 ("*TDC_insn_<mode>"): Add comment.
2581 2012-01-03 Richard Guenther <rguenther@suse.de>
2584 * fold-const.c (fold_comparison): Properly canonicalize
2585 tree offset and HOST_WIDE_INT bit position.
2587 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2589 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2590 operands for extzv pattern.
2592 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2595 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2598 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2600 * doc/invoke.texi (-flto and related options): Copy-edit.
2602 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2604 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2606 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2608 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2611 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2613 * expr.h (move_by_pieces_ninsns): Declare.
2614 * expr.c (move_by_pieces_ninsns): Make external.
2615 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2616 (mips_store_by_pieces_p): Likewise.
2617 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2618 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2619 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2620 (mips_store_by_pieces_p): Likewise.
2622 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2624 * passes.c (register_one_dump_file): Free full_name.
2626 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2627 (calculate_elim_costs_all_insns): Free offsets_at and
2628 offsets_known_at at the end and clear the pointers.
2630 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2632 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2633 this option introduced in r180739.
2635 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2638 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2639 (tmake_file target=avr): Add avr/t-multilib.
2641 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2642 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2643 * config/avr/genmultilib.awk: New file.
2644 * config/avr/t-multilib: New auto-generated file.
2645 * config/avr/multilib.h: New auto-generated file.
2646 * config/avr/t-avr (AVR_MCUS): New variable.
2647 (genopt.sh): Use it.
2648 (s-mlib): Depend on t-multilib.
2649 (t-multilib, multilib.h): New dependencies.
2650 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2651 (MULTILIB_OPTIONS): Remove.
2652 (MULTILIB_MATCHES): Remove.
2653 (MULTILIB_DIRNAMES): Remove.
2654 (MULTILIB_EXCEPTIONS): Remove:
2655 * config/avr/genopt.sh: Don't use hard coded file name;
2656 pass AVR_MCUS from t-avr instead.
2658 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2660 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2662 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2664 Implement light-weight DImode support.
2665 * config/avr/avr-dimode.md: New file.
2666 * config/avr/avr.md: Include it.
2667 (adjust_len): Add plus64, compare64.
2668 (HIDI): Remove code iterator.
2669 (code_stdname): New code attribute.
2670 (rotx, rotsmode): Remove DI.
2671 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2673 * config/avr/avr-protos.h (avr_have_dimode): New.
2674 (avr_out_plus64, avr_out_compare64): New.
2675 * config/avr/avr.c (avr_out_compare): Handle DImode.
2676 (avr_have_dimode): New variable definition and initialization.
2677 (avr_out_compare64, avr_out_plus64): New functions.
2678 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2679 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2680 (avr_compare_pattern): Skip DImode comparisons.
2682 2012-01-02 Revital Eres <revital.eres@linaro.org>
2684 * ddg.c (def_has_ccmode_p): New function.
2685 (add_cross_iteration_register_deps,
2686 create_ddg_dep_from_intra_loop_link): Call it.
2688 2012-01-02 Richard Guenther <rguenther@suse.de>
2691 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2693 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2695 * gcc.c (process_command): Update copyright notice dates.
2696 * gcov.c (print_version): Likewise.
2697 * gcov-dump.c (print_version): Likewise.
2698 * mips-tfile.c (main): Likewise.
2699 * mips-tdump.c (main): Likewise.
2701 2012-01-01 Ira Rosen <irar@il.ibm.com>
2703 PR tree-optimization/51704
2704 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2705 a use is inside the basic block or loop before accessing its vect info.
2707 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2709 PR rtl-optimization/51069
2710 * cfgloopmanip.c (remove_path): Removing path making irreducible
2711 region unconditional makes BB part of the region.
2713 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2715 PR tree-optimization/51683
2716 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2717 calls with side-effects.
2718 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2720 Copyright (C) 2012 Free Software Foundation, Inc.
2722 Copying and distribution of this file, with or without modification,
2723 are permitted in any medium without royalty provided the copyright
2724 notice and this notice are preserved.
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