1 2012-02-20 Jakub Jelinek <jakub@redhat.com>
3 PR tree-optimization/52286
4 * fold-const.c (fold_binary_loc): For (X & C1) | C2
5 optimization use double_int_to_tree instead of build_int_cst_wide,
6 rewrite to use double_int vars.
8 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
11 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
13 Remove -e 0 from $gcc_cv_ld invocation.
14 Only use __GLIBC_PREREQ if defined.
15 Enable on Solaris since Solaris 8 patch.
16 (gcc_SUN_LD_VERSION): New macro.
17 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
18 gcc_SUN_LD_VERSION for version number format.
19 * configure: Regenerate.
20 * varasm.c (get_elf_initfini_array_priority_section): Set
21 SECTION_NOTYPE for non-default priority.
22 Use get_section instead of get_unnamed_section to emit
23 .init_array/.fini_array with default priority.
25 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
27 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
28 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
29 (mips_start_unique_function, mips_output_mips16_rdhwr)
30 (mips_code_end): New functions.
31 (TARGET_ASM_CODE_END): Define.
33 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
35 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
36 to stubs with non-sibling calls.
38 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
40 * doc/invoke.texi (-fira-* options): Copy-edit.
41 (ira-* parameters): Copy-edit.
43 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
45 * doc/invoke.texi: Minor copy-edits to bring into conformance with
46 GCC coding conventions.
48 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
50 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
51 when used as adjectives.
53 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
55 * doc/invoke.texi: Clean up "that"/"which" confusion.
57 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
59 * system.h: Poison SMALL_REGISTER_CLASSES
60 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
61 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
63 2012-02-16 Jakub Jelinek <jakub@redhat.com>
65 PR tree-optimization/52285
66 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
67 when deciding if a call is a tail call or tail recursion.
69 2012-02-16 Kai Tietz <ktietz@redhat.com>
71 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
72 interger-constant displacement for UNSPEC_PCREL.
74 2012-02-16 Jakub Jelinek <jakub@redhat.com>
76 PR rtl-optimization/52208
77 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
78 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
80 PR tree-optimization/52255
81 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
82 loop->header has virtual PHI, but exit_e->dest doesn't, add
83 virtual PHI to exit_e->dest and adjust all uses after the loop.
86 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
87 children with clone_tree_hash, not after it.
89 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
91 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
94 2012-02-16 Jakub Jelinek <jakub@redhat.com>
97 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
98 a same_body_alias, also test whether e->callee isn't a former
99 or current clone of the decl this is a same body alias of.
102 * cgraphunit.c (verify_cgraph_node): Fix a typo.
104 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
106 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
108 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
111 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
112 force_reg instead of copy_to_reg for better optimization. Force
113 non-register or memory operands into a register.
115 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
117 * extend.texi: Reserve upper bits of memory model for future use.
119 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
120 Anatoly Sokolov <aesok@post.ru>
121 Eric Weddington <eric.weddington@atmel.com>
124 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
125 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
126 Rewrite initializers for .macro.
127 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
128 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
129 atxmega32d4, atxmega32x1.
130 avrxmega4: atxmega64a3, atxmega64d3.
131 avrxmega5: atxmega64a1, atxmega64a1u.
132 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
133 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
134 avrxmega7: atxmega128a1, atxmega128a1u.
135 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
136 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
137 (struct base_arch_s): Rename reserved to xmega_p.
138 Rename reserved2 to have_rampd.
139 (AVR_XMEGA): New define.
140 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
141 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
142 * config/avr/predicates.md (io_address_operand): Take into
144 (low_io_address_operand): Ditto.
145 (high_io_address_operand): Ditto.
146 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
147 (enabled, movhi_sp_r): Use them.
148 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
149 cpp_define_formatted to built-in define __AVR_ARCH__.
150 (__AVR_XMEGA__): New built-in define.
151 (__AVR_HAVE_RAMPD__): New built-in define.
152 (__AVR_HAVE_RAMPX__): New built-in define.
153 (__AVR_HAVE_RAMPY__): New built-in define.
154 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
156 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
157 (avr_option_override): Initialize them.
158 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
159 (avr_init_expanders): Initialize them. No more block several calls.
160 (emit_push_sfr): New static function.
161 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
163 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
164 (avr_print_operand): Print addreeses as symbols for
165 RAMPX, RAMPY, RAMPD, CCP.
166 (output_movhi): Handle AVR_XMEGA when writing to SP.
167 (avr_out_movhi_mr_r_xmega): New static function.
168 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
169 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
170 __RAMPD__, __CCP__ as needed.
172 * config/avr/multilib.h: Regenerate.
173 * config/avr/t-multilib: Regenerate.
174 * config/avr/avr-tables.opt: Regenerate.
176 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
178 PR tree-optimization/50561
179 * graphite-flattening.c (lst_project_loop): Do not
180 remove old scattering dimensions after flattening.
181 (lst_do_flatten): Likewise.
183 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
185 * doc/extend.texi (AVR Built-in Functions): Remove doc for
186 __builtin_avr_map8, __builtin_avr_map16.
187 Document __builtin_avr_insert_bits.
189 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
190 (insert_bits): New insn.
191 (adjust_len.map_bits): Rename to insert_bits.
192 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
193 * avr-protos.h (avr_out_map_bits): Remove.
194 (avr_out_insert_bits, avr_has_nibble_0xf): New.
195 * config/avr/constraints.md (Cxf,C0f): New.
196 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
197 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
198 New built-in define __BUILTIN_AVR_INSERT_BITS.
199 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
200 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
201 (avr_move_bits): Rewrite.
202 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
204 (avr_map_op_t): New typedef.
205 (avr_map_op): New static variable.
206 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
207 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
208 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
209 (bdesc_3arg, avr_expand_triop_builtin): New.
210 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
211 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
212 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
213 (avr_map_equal_p, avr_map_sig_p): Remove.
214 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
215 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
216 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
217 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
218 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
219 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
221 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
223 * config/c6x/c6x.md (reserve_cycles): New attribute.
224 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
225 don't reserve functional units after the branch occurs.
227 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
230 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
231 functions into non-tm_pure functions.
233 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
236 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
237 (iterative_hash_canonical_type): Likewise.
238 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
241 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
243 * haifa-sched.c (prune_ready_list): Ensure that if there is a
244 sched-group insn, it either remains alone or the entire list is
247 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
249 * doc/install.texi (Prerequisites): Fix grammar.
250 (Configuration): Likewise.
252 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
254 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
255 MPC as part of GCC before describing configuring with --with-gmp etc.
256 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
259 2012-02-14 Jakub Jelinek <jakub@redhat.com>
262 * dwarf2out.c (clone_tree_hash): New function.
263 (copy_decls_walk): Use it instead of clone_tree.
265 2012-02-14 Richard Guenther <rguenther@suse.de>
267 PR tree-optimization/52244
268 PR tree-optimization/51528
269 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
270 replacements for integral types.
272 2012-02-14 Walter Lee <walt@tilera.com>
274 * config.gcc: Handle tilegx and tilepro.
275 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
277 Add HAVE_AS_TLS check for tilegx and tilepro.
278 * configure: Regenerate.
279 * doc/contrib.texi: Add Mat Hostetter and self.
280 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
281 Document instruction intrinsics and network accessing intrinsics.
282 (TILEPro Built-in Functions): New node. Document instruction
283 intrinsics and network accessing intrinsics.
284 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
285 (Specific, tilepro-*-linux*): Likewise.
286 * doc/invoke.texi (TILE-Gx Options): New section.
287 (TILEPro Options): New section.
288 * doc/md.texi (TILE-Gx): New section.
289 (TILEPro): New section.
290 * common/config/tilegx/tilegx-common.c: New file.
291 * common/config/tilepro/tilepro-common.c: New file.
292 * config/tilegx/constraints.md: New file.
293 * config/tilegx/linux.h: New file.
294 * config/tilegx/mul-tables.c: New file.
295 * config/tilegx/predicates.md: New file.
296 * config/tilegx/sync.md: New file.
297 * config/tilegx/t-tilegx: New file.
298 * config/tilegx/tilegx-builtins.h: New file.
299 * config/tilegx/tilegx-c.c: New file.
300 * config/tilegx/tilegx-generic.md: New file.
301 * config/tilegx/tilegx-modes.def: New file.
302 * config/tilegx/tilegx-multiply.h: New file.
303 * config/tilegx/tilegx-protos.h: New file.
304 * config/tilegx/tilegx.c: New file.
305 * config/tilegx/tilegx.h: New file.
306 * config/tilegx/tilegx.md: New file.
307 * config/tilegx/tilegx.opt: New file.
308 * config/tilepro/constraints.md: New file.
309 * config/tilepro/gen-mul-tables.cc: New file.
310 * config/tilepro/linux.h: New file.
311 * config/tilepro/mul-tables.c: New file.
312 * config/tilepro/predicates.md: New file.
313 * config/tilepro/t-tilepro: New file.
314 * config/tilepro/tilepro-builtins.h: New file.
315 * config/tilepro/tilepro-c.c: New file.
316 * config/tilepro/tilepro-generic.md: New file.
317 * config/tilepro/tilepro-modes.def: New file.
318 * config/tilepro/tilepro-multiply.h: New file.
319 * config/tilepro/tilepro-protos.h: New file.
320 * config/tilepro/tilepro.c: New file.
321 * config/tilepro/tilepro.h: New file.
322 * config/tilepro/tilepro.md: New file.
323 * config/tilepro/tilepro.opt: New file.
325 2012-02-14 Jakub Jelinek <jakub@redhat.com>
327 PR tree-optimization/52210
328 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
329 vect_model_simple_cost with two entry vect_def_type array instead
332 2012-02-14 Richard Guenther <rguenther@suse.de>
335 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
336 Do not stream DECL_QUALIFIER.
337 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
338 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
339 (find_decls_types_r): Do not walk DECL_QUALIFIER.
341 2012-02-14 Jakub Jelinek <jakub@redhat.com>
344 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
347 2012-02-13 Jakub Jelinek <jakub@redhat.com>
350 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
351 * cselib.c (cselib_subst_to_values_from_insn): New function.
352 * sched-deps.c (add_insn_mem_dependence,
353 sched_analyze_1, sched_analyze_2): Use it.
355 2012-02-13 Jan Hubicka <jh@suse.cz>
358 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
360 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
362 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
363 (GTM_SELF_SPECS): Define if not already defined.
364 (driver_self_specs): Add GTM_SELF_SPECS.
365 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
366 (GTM_SELF_SPECS): Define.
367 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
368 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
370 2012-02-13 Jakub Jelinek <jakub@redhat.com>
372 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
375 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is
379 * omp-low.c (expand_omp_for): If a static schedule without
380 chunk size has NULL region->cont, force fd.chunk_size to be
383 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
386 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
388 2012-02-13 Richard Guenther <rguenther@suse.de>
391 * passes.c (enable_disable_pass): Fix typo.
393 2012-02-13 Jakub Jelinek <jakub@redhat.com>
396 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
397 XOR for reduce_bit_field if type is unsigned.
399 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
401 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
402 disallow changes from SFmode to mode with different size in FP regs.
404 2012-02-12 Robert Millan <rmh@gnu.org>
405 Gerald Pfeifer <gerald@pfeifer.com>
407 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
410 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
412 PR rtl-optimization/52175
413 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
414 to frame-related instructions.
416 2012-02-10 Jason Merrill <jason@redhat.com>
419 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
420 (demangle_new_symbols): Fill it.
421 (scan_linker_output): Walk it.
422 (start_tweaking): Split out from scan_linker_output.
423 (maybe_tweak): Update sym->chosen.
424 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
426 2012-02-11 Jakub Jelinek <jakub@redhat.com>
429 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
432 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
434 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
435 having the same mode as previous compare.
437 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
439 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
440 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
441 (nonlocal_goto_internal): Likewise.
442 (nonlocal_goto): Emit a use and an indirect jump directly.
444 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
447 * doc/extend.texi : Update comments for __atomic_compare_exchange and
448 __atomic_{is,always}_lock_free.
450 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
453 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
454 negative constant address for x32.
456 2012-02-10 Richard Henderson <rth@redhat.com>
458 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
459 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
460 for GIMPLE_TRANSACTION. Tidy if's into a switch.
462 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
463 Ira Rosen <irar@il.ibm.com>
465 PR tree-optimization/50031
466 * targhooks.c (default_builtin_vectorization_cost): Handle
468 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
469 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
470 all types of reduction and pattern statements.
471 (vect_estimate_min_profitable_iters): Likewise.
472 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
473 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
474 for explicit realigns.
475 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
476 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
478 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
479 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
480 vec_perm for VSX and handle vec_promote_demote.
482 2012-02-10 Jakub Jelinek <jakub@redhat.com>
485 * builtins.c (fold_builtin_atomic_always_lock_free,
486 expand_builtin_atomic_always_lock_free,
487 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
488 Return and/or test boolean_true_node/boolean_false_node instead of
489 integer_one_node/integer_zero_node.
491 2012-02-10 Jan Hubicka <jh@suse.cz>
494 * predict.c (predict_paths_for_bb): Prevent looping.
495 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
497 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
499 * config/arm/arm.c (output_move_double): In one case properly
500 count number of instructions that will be emitted.
502 2012-02-10 Richard Guenther <rguenther@suse.de>
505 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
507 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
510 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
512 2012-02-09 Jakub Jelinek <jakub@redhat.com>
515 * var-tracking.c (emit_note_insn_var_location): If
516 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
517 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
518 non-NOTE_DURING_CALL_P insn.
520 2012-02-09 Bin Cheng <bin.cheng@arm.com>
523 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
525 2012-02-08 Magnus Granberg <zorry@gentoo.org>
528 * gcc.c (switch_matches) Support switches with separated form,
531 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
533 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
536 * config/avr/avr.c (avr_addr_t): New typedef.
537 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
538 (avr_init_expanders): Initialize it.
539 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
541 (expand_epilogue): Ditto.
542 (avr_print_operand): Ditto.
543 (avr_file_start): Ditto.
544 (avr_emit_movmemhi): Ditto.
546 2012-02-08 Richard Guenther <rguenther@suse.de>
548 PR tree-optimization/46886
549 * tree-flow.h (do_while_loop_p): Declare.
550 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
551 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
553 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
555 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
556 always succeed for integers larger than a native word.
558 2012-02-08 Richard Guenther <rguenther@suse.de>
560 PR rtl-optimization/52170
561 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
562 properly handle integer vector modes.
564 2012-02-08 Jakub Jelinek <jakub@redhat.com>
566 PR gcov-profile/52150
567 * coverage.c: Include target.h.
568 (build_var): Call targetm.strip_name_encoding on the assembler name.
569 Change one _ into . or $ if the target allows it.
570 * Makefile.in (coverage.o): Depend on $(TARGET_H).
572 PR rtl-optimization/52139
573 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
574 is a BARRIER after emit_insn_after_noloc, move BB_END
575 to the last non-BARRIER insn before it.
577 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
580 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
581 (mips_gimplify_va_arg_expr): Call it instead of
582 std_gimplify_va_arg_expr.
584 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
586 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
587 message for -mno-pointers-to-nested-function.
589 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
592 * expr.c (get_inner_reference): If there is an offset, add a negative
593 bit position to it (if any).
595 2012-02-07 Jakub Jelinek <jakub@redhat.com>
597 PR rtl-optimization/52060
598 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
599 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
600 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
601 and/or i0src_copy2 when needed.
603 2012-02-07 Jakub Jelinek <jakub@redhat.com>
605 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
606 or LTOPLUGINSONAME if have_c.
608 * config/freebsd-spec.h: Add comment about what macros can be defined
610 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
611 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
614 2012-02-07 Richard Guenther <rguenther@suse.de>
616 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
617 newline in -alias dumps.
619 2012-02-07 Kai Tietz <ktietz@redhat.com>
620 Dave Korn <dave.korn.cygwin@gmail.com>
623 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
624 Take care that typinfo gets dllexport-attribute.
626 2012-02-07 Jakub Jelinek <jakub@redhat.com>
629 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
630 if modifier < EXPAND_SUM call force_operand on the result.
632 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
634 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
635 adding __forwarder_dst__ prefix if a forwarder_section attribute is
637 (epiphany_function_type): Replace types for specific interrupts with
638 EPIPHANY_FUNCTION_INTERRUPT.
639 (EPIPHANY_INTERRUPT_P): Update.
640 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
642 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
643 <disinterrupt>: Affects type identity.
644 (epiphany_handle_interrupt_attribute): Handle variable number of
646 (epiphany_compute_function_type): Update for new
647 epiphany_function_type definition.
648 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
649 handlers with a longcall forwarder.
650 (epiphany_start_function): Handle multiple interrupt arguments and/or
651 forwarder_section attribute.
653 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
656 2012-02-07 Alan Modra <amodra@gmail.com>
659 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
662 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
664 PR tree-optimization/50969
665 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
666 use vec_perm rather than vector_stmt.
667 (vect_model_load_cost): Likewise.
668 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
669 vec_perm to be the same as other vector statements.
670 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
671 cost of vec_perm for TARGET_VSX.
673 2012-02-06 Richard Guenther <rguenther@suse.de>
675 PR tree-optimization/52115
676 * tree-sra.c (access_has_replacements_p): New function.
677 (sra_modify_assign): Use it to decide whether a use is uninitialized.
679 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
682 * trans-mem.c (expand_call_tm): Add an assertion.
683 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
686 2012-02-06 Richard Guenther <rguenther@suse.de>
688 PR tree-optimization/50955
689 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
690 raise cost of expressions that replace an address with an
691 expression based on a different pointer.
693 2012-02-06 Jakub Jelinek <jakub@redhat.com>
696 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
697 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
699 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
702 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
703 -Weffc++ and specify guidelines come from second edition.
705 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
707 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
708 (sibcall_value_multiple_internal, call_split, call_internal_direct)
709 (call_direct_split, call_value_split, call_value_internal_direct)
710 (call_value_direct_split, call_value_multiple_split): Use jal and
711 jal_macro attributes.
713 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
715 * reload1.c (reload_regs_reach_end_p): Replace with...
716 (reload_reg_rtx_reaches_end_p): ...this function.
717 (new_spill_reg_store): Update commentary.
718 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
719 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
720 before setting new_spill_reg_store.
721 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
722 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
723 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
724 for non-spill reload registers.
726 2012-02-05 Ira Rosen <irar@il.ibm.com>
728 PR tree-optimization/52091
729 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
730 (vect_is_simple_use_1): Likewise.
731 * tree-vect-loop.c (vectorizable_reduction): Update calls
732 to vect_is_simple_use_1 and vect_is_simple_use.
733 (vectorizable_live_operation): Likewise.
734 * tree-vect-patterns.c (widened_name_p,
735 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
736 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
737 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
738 vectorizable_shift,vectorizable_operation, vectorizable_store,
739 vectorizable_load): Likewise.
740 (vect_is_simple_cond): Add an argument, pass it to
741 vect_is_simple_use_1.
742 (vectorizable_condition): Update calls to vect_is_simple_cond,
744 (vect_is_simple_use): Add an argument, the statement in which
745 OPERAND is used. Check that if OPERAND's def stmt is a double
746 reduction phi node, the use is a phi node too.
747 (vect_is_simple_use_1): Add an argument, pass it to
749 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
750 to vect_is_simple_use.
752 2012-02-04 Jakub Jelinek <jakub@redhat.com>
754 PR rtl-optimization/52095
755 * modulo-sched.c (dump_insn_locator): New function.
756 (loop_canon_p, sms_schedule): Use it.
758 PR rtl-optimization/52113
759 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
760 even for decomposable shift/zext insns.
762 2012-02-03 Jakub Jelinek <jakub@redhat.com>
763 Zdenek Dvorak <ook@ucw.cz>
765 PR rtl-optimization/52092
766 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
767 on get_iv_value result.
769 2012-02-02 Andrew Pinski <apinski@cavium.com>
773 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
775 2012-02-02 Jakub Jelinek <jakub@redhat.com>
778 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
780 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
782 PR rtl-optimization/49800
783 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
784 (sched_finish): Call regstat_free_n_sets_and_refs.
786 2012-02-02 Jia Liu <proljc@gmail.com>
788 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
791 2012-02-02 Jan Hubicka <jh@suse.cz>
792 Tom de Vries <tom@codesourcery.com>
795 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
796 * varpool.c (varpool_analyze_pending_decls): Likewise.
798 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
799 Jayant R Sonar <jayant.sonar@kpitcummins.com>
801 * config.gcc: Add cr16-* support.
803 * doc/extend.texi: Document cr16 extensions.
804 * doc/install.texi: Document cr16 install.
805 * doc/invoke.texi: Document cr16 options.
806 * doc/md.texi: Document cr16 constraints.
808 * common/config/cr16/cr16-common.c: New file.
809 * config/cr16/cr16.c: New file.
810 * config/cr16/cr16.h: New file.
811 * config/cr16/cr16.md: New file.
812 * config/cr16/cr16.opt: New file.
813 * config/cr16/cr16-protos.h: New file.
814 * config/cr16/predicates.md: New file.
815 * config/cr16/constraints.md: New file.
816 * config/cr16/t-cr16: New file.
818 2012-02-02 Jakub Jelinek <jakub@redhat.com>
821 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
822 that operands[2] is either immediate, or q_regs_operand.
824 PR tree-optimization/52073
825 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
826 a pattern stmt for pattern uses, ignore uses outside of the loop.
828 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
830 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
831 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
832 (OUT_AS1, OUT_AS2): Remove.
834 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
836 PR rtl-optimization/51374
837 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
838 to cross other volatile_refs_p insns.
840 2012-02-01 Richard Guenther <rguenther@suse.de>
842 * doc/invoke.texi (fno-inline): Clarify documentation.
843 (finline-small-functions): Likewise.
844 (finline-functions): Likewise.
845 * common.opt (finline): Adjust comment and documentation.
846 (finline-small-functions): Clarify documentation.
847 (finline-functions): Likewise.
848 (finline-functions-called-once): Likewise.
850 2012-02-01 Tristan Gingold <gingold@adacore.com>
852 * c-typeck.c (composite_type): Keep mode for pointers.
854 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
856 * function.h (regno_reg_rtx): Adjust comment.
857 * reginfo.c (init_reg_modes_target): Only use the previous mode
858 if it fits within one register. Remove MIPS comment.
860 2012-01-31 Jakub Jelinek <jakub@redhat.com>
863 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
865 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
867 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
870 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
872 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
874 2012-01-31 Jakub Jelinek <jakub@redhat.com>
879 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
881 2012-01-31 Richard Guenther <rguenther@suse.de>
883 PR tree-optimization/51528
884 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
887 2012-01-31 Jakub Jelinek <jakub@redhat.com>
892 * ree.c (add_removable_extension): Change def_map argument
893 to unsigned *, store in def_map 1 + offset into *insn_list vector
894 instead of pointers into the vector.
895 (find_removable_extensions): Adjust caller.
897 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
899 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
900 Transform all "* quoted-c-code" to { c-code }.
901 Remove redundant test for "optimize" in combine patterns.
902 Move (include "avr-dimode.md") to end of file.
904 2012-01-30 Bin Cheng <bin.cheng@arm.com>
907 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
908 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
910 2012-01-30 Richard Guenther <rguenther@suse.de>
912 PR tree-optimization/52028
913 * tree-loop-distribution.c (ldist_gen): Properly update
916 2012-01-30 Jakub Jelinek <jakub@redhat.com>
919 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
920 set_cur_line_info_table if not emitting debug info.
922 PR tree-optimization/52046
923 * tree-vect-patterns.c (check_bool_pattern): Give up if
924 a comparison could throw.
927 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
929 2012-01-30 Richard Guenther <rguenther@suse.de>
931 PR tree-optimization/52045
932 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
933 SSA form if cfgcleanup did anything.
935 2012-01-30 Richard Guenther <rguenther@suse.de>
937 PR tree-optimization/52045
938 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
939 before computing final todo.
941 2012-01-30 Richard Guenther <rguenther@suse.de>
943 PR tree-optimization/51528
944 * tree-sra.c (sra_modify_assign): Re-factor in preparation
947 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
949 * df-problems.c (df_kill_notes): Check that the use refers
950 to the note under examination.
952 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
955 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
956 parameter and use short-lived pseudos.
957 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
958 (sparc_expand_vector_init): Const-ify local variables and adjust
959 calls to above functions.
961 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
963 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
965 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
967 * doc/invoke.texi: Make usage of "compile time" and
968 "run time"/"runtime" consistent throughout the file.
970 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
972 * config/alpha/alpha.c (alpha_option_override): Default to
973 full IEEE compliance mode for Go language.
975 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
977 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
978 (LINK_SSP_SPEC): Define.
980 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
983 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
986 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
988 * doc/invoke.texi: Correct hyphenation of "floating point",
989 "double precision", and related terminology throughout the file.
991 2012-01-28 Jakub Jelinek <jakub@redhat.com>
994 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
995 arm_general_register_operand predicate for operand 2 instead of
998 2012-01-27 Ian Lance Taylor <iant@google.com>
1001 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
1002 * builtins.c (expand_builtin_init_trampoline): Add onstack
1003 parameter. Change caller.
1004 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
1005 * tree.c (build_common_builtin_nodes): Declare
1006 __builtin_init_heap_trampoline.
1008 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
1010 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
1011 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
1012 * config/avr/avr.c: Ditto.
1013 (avr_regnames): Remove because unused.
1014 * config/avr/avr.md (*cpse.ne): New peephole.
1015 (*cpse.eq): New peephole from former cpse peepholes.
1017 2012-01-27 Michael Eager <eager@eagercon.com>
1019 * config/microblaze.c (microblaze_emit_compare): Correct
1020 test after pcmp instruction.
1022 2012-01-27 Richard Guenther <rguenther@suse.de>
1024 PR tree-optimization/52020
1025 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
1027 2012-01-27 Richard Guenther <rguenther@suse.de>
1029 * ipa-pure-const.c (check_stmt): Clobbers do not make a
1030 function non-const/pure.
1032 2012-01-27 Richard Guenther <rguenther@suse.de>
1034 PR tree-optimization/50444
1035 * tree-sra.c (build_ref_for_offset): Properly adjust the
1036 MEM_REF type for unaligned accesses.
1038 2012-01-27 Richard Guenther <rguenther@suse.de>
1040 PR tree-optimization/50444
1041 * expr.c (mem_ref_refers_to_non_mem_p): New function.
1042 (expand_assignment): Use it. Properly handle misaligned
1043 bases when expanding stores to component references.
1044 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1047 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
1050 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1051 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1052 * tree-data-ref.c (find_data_references_in_loop): Make static.
1053 (compute_all_dependences): Change return type to bool. Bail out
1054 for too many datarefs in a loop. Move the hunk resetting the data
1055 dependences vector from ...
1056 (compute_data_dependences_for_loop): ... here. Account for
1057 compute_all_dependences returning false.
1058 (compute_data_dependences_for_bb): Likewise.
1059 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1060 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1062 2012-01-27 Richard Guenther <rguenther@suse.de>
1065 * expr.c (store_field): Use the alias-set of the scratch memory
1068 2012-01-27 Tom de Vries <tom@codesourcery.com>
1070 PR tree-optimization/51990
1071 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1073 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1075 2012-01-27 Jakub Jelinek <jakub@redhat.com>
1078 * var-tracking.c (reverse_op): Don't add any reverse operation
1079 if V already has any constant locations.
1081 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1083 * doc/invoke.texi: Correct usage of "command line" (noun)
1084 vs "command-line" (adjective) throughout.
1086 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1088 * doc/invoke.texi (Language Independent Options): Move
1089 -Wcoverage-mismatch blurb from here....
1090 (Warning Options): ...to here.
1092 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
1094 * config/rs6000/rs6000.c (rs6000_option_override_internal):
1095 Set rs6000_always_hint to false for 476.
1097 2012-01-27 Matthias Klose <doko@ubuntu.com>
1099 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1101 * incpath.c (add_standard_paths): Likewise.
1103 2012-01-27 Richard Henderson <rth@redhat.com>
1105 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1106 * config/m68k/sync.md (atomic_test_and_set): Rename from
1107 sync_test_and_setqi and adjust the operands.
1108 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1109 and unconditionally enable.
1111 2012-01-27 Richard Henderson <rth@redhat.com>
1113 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1114 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1115 (ldstub): Rename from ldstubqi.
1116 (ldstub<I24MODE>): Remove.
1118 2012-01-27 Richard Henderson <rth@redhat.com>
1120 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1121 * c-cppbuiltin.c (cpp_atomic_builtins): Define
1122 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1123 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1124 * doc/tm.texi: Rebuild.
1126 2012-01-27 Richard Henderson <rth@redhat.com>
1128 * optabs.c (gen_atomic_test_and_set): Remove default.
1129 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1131 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1133 PR rtl-optimization/51978
1134 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1135 (combine_reaching_defs): Likewise.
1136 (struct re_info): Remove.
1137 (add_removable_extension): Remove x and data arguments,
1138 add insn, insn_list and def_map. Use the arguments directly
1139 instead of using struct re_info.
1140 (find_removable_extensions): Don't call add_removable_extension
1141 through note_stores, instead just call it with single_set
1143 (find_and_remove_re): Pass curr_cand->expr instead of
1144 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1146 2012-01-26 Michael Matz <matz@suse.de>
1148 PR tree-optimization/46590
1149 * cfgexpand.c: Revert last change (r183305).
1150 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1152 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1153 checking for emptiness.
1155 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1158 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1159 non-addressable non-BLKmode base correctly.
1161 2012-01-26 Michael Matz <matz@suse.de>
1163 PR tree-optimization/48794
1164 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1165 regions referenced from RESX/EH_DISPATCH.
1167 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1169 * config/s390/s390.h: Make BRANCH_COST an option.
1170 * config/s390/s390.opt: New option -mbranch-cost.
1172 2012-01-26 Richard Henderson <rth@redhat.com>
1174 Revert 2012-01-24 change:
1175 * trans-mem.c (requires_barrier): Do not instrument thread local
1176 variables and emit save/restore for them.
1178 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1181 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1184 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
1186 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1189 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
1192 Rename __pgm to __flash.
1193 Rename __pgm1 to __flash1.
1194 Rename __pgm2 to __flash2.
1195 Rename __pgm3 to __flash3.
1196 Rename __pgm4 to __flash4.
1197 Rename __pgm5 to __flash5.
1198 Rename __pgmx to __memx.
1199 * doc/extend.texi (AVR Named Address Spaces)
1200 Rename address space names as indicated above.
1201 * config/avr/avr.c (avr_addrspace): Ditto.
1203 * config/avr/avr-protos.h
1204 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1205 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1206 * config/avr/predicates.md: Ditto.
1207 * config/avr/avr.c Ditto, and
1208 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1209 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1211 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1212 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1213 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1214 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1215 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1216 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1217 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1218 * config/avr/avr.c: Ditto.
1219 * config/avr/avr.md: Ditto.
1221 2012-01-25 Jason Merrill <jason@redhat.com>
1224 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1226 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1228 PR tree-optimization/51987
1229 * tree-data-ref.c (get_references_in_stmt): Handle references in
1230 non-volatile GIMPLE_ASM.
1232 2012-01-25 Richard Guenther <rguenther@suse.de>
1234 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1235 bases are dereferenced.
1237 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1239 PR rtl-optimization/48374
1240 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1242 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1244 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1245 compute_data_dependences_for_loop returns false.
1246 * tree-parloops.c (loop_parallel_p): Likewise.
1248 2012-01-25 Richard Guenther <rguenther@suse.de>
1250 * tree.h (get_pointer_alignment_1): Declare.
1251 * builtins.c (get_pointer_alignment_1): New function.
1252 (get_pointer_alignment): Use it.
1254 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1256 PR rtl-optimization/48308
1257 * combine.c (enum undo_kind): Add UNDO_LINKS.
1258 (struct undo): Add member l to other_contents and where.
1259 (do_SUBST_LINK): New.
1261 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1262 (undo_all): Handle UNDO_LINKS.
1264 2012-01-25 Richard Henderson <rth@redhat.com>
1266 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1269 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1271 * optabs.c (gen_atomic_test_and_set): Use each argument.
1273 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1275 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1276 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1277 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1278 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1279 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1280 TARGET_PAIRED_SINGLE_FLOAT.
1282 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1284 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1285 (in_struct, return_val): Remove MEM documentation.
1286 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1287 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1288 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1290 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1291 * cfgexpand.c (add_alias_set_conflicts): Likewise.
1292 * expr.c (store_field): Likewise.
1293 * function.c (assign_stack_temp_for_type): Likewise.
1294 * ifcvt.c (noce_try_cmove_arith): Likewise.
1295 * reload1.c (reload): Likewise.
1296 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1297 (alpha_set_memflags): Likewise.
1298 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1300 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1302 * rtl.h (true_dependence, canon_true_dependence): Remove varies
1304 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1305 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1306 (true_dependence_1, true_dependence, canon_true_dependence): Remove
1308 * cselib.c (cselib_rtx_varies_p): Delete.
1309 (cselib_invalidate_mem): Update call to canon_true_dependence.
1310 * dse.c (record_store, check_mem_read_rtx): Likewise.
1311 (scan_reads_nospill): Likewise.
1312 * cse.c (check_dependence): Likewise.
1313 (cse_rtx_varies_p): Delete.
1314 * expr.c (safe_from_p): Update call to true_dependence.
1315 * ira.c (validate_equiv_mem_from_store): Likewise.
1316 (memref_referenced_p): Likewise.
1317 * postreload-gcse.c (find_mem_conflicts): Likewise.
1318 * sched-deps.c (sched_analyze_2): Likewise.
1319 * store-motion.c (load_kills_store): Likewise.
1320 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1321 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1322 (compute_transp): Update call to canon_true_dependence.
1324 2012-01-25 Richard Henderson <rth@redhat.com>
1326 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1327 (maybe_emit_atomic_test_and_set): New.
1328 (expand_sync_lock_test_and_set): Use it.
1329 (expand_atomic_test_and_set): Likewise.
1330 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1331 the implementation; clarify implementation defined details.
1332 * doc/md.texi (atomic_test_and_set): Document.
1334 2012-01-25 Richard Henderson <rth@redhat.com>
1336 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1338 2012-01-25 Richard Henderson <rth@redhat.com>
1341 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1342 to effect no-op split.
1344 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1347 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1348 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1349 (BT_FN_VOID_PTR_INT_SIZE): New.
1350 (BT_FN_UINT_UINT_VAR): Remove.
1351 (BT_FN_UINT32_UINT32_VAR): New.
1352 (BT_FN_DOUBLE_VPTR): Remove.
1353 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1355 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1356 (_ITM_changeTransactionMode): Same.
1357 (_ITM_memmoveRtWt): Change return type to void.
1358 (_ITM_memcpyRtWt): Same.
1359 (_ITM_memsetW): Same.
1360 (_ITM_RaRD): Change types to double.
1365 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1367 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1368 Patrick Marlier <patrick.marlier@gmail.com>
1370 * trans-mem.c (requires_barrier): Do not instrument thread local
1371 variables and emit save/restore for them.
1373 2012-01-24 Jason Merrill <jason@redhat.com>
1376 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1377 output static aliases.
1379 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1382 * common.opt (-pie, -shared, pie, shared): Change from Common to
1384 * gcc.c (display_help): Display help for -pie and -shared.
1386 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1389 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1390 Remove note on size/offset limitation.
1391 (AVR Variable Attributes): Add example how to read data located
1392 with progmem. Refer to named address spaces.
1393 * doc/invoke.texi (AVR Options): Fix typo.
1395 2012-01-24 Richard Guenther <rguenther@suse.de>
1397 Forward-port to trunk
1398 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1401 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1402 op0 isn't sufficiently aligned and there is movmisalignM
1403 insn for mode, use it to load op0 into a temporary register.
1405 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1408 * target.def (const_not_ok_for_debug_p): New hook.
1409 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1411 * doc/tm.texi: Regenerated.
1412 * dwarf2out.c (const_ok_for_output_1): If
1413 targetm.const_not_ok_for_debug_p returns true, fail.
1414 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1416 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1418 2012-01-23 Kai Tietz <ktietz@redhat.com>
1421 * config/i386/predicates.md (symbolic_operand): Allow
1422 UNSPEC_PCREL as PIC expression for lea.
1423 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1424 * config/i386/i386.c (ix86_delegitimize_address): Handle
1425 UNSPEC_PCREL for none-MEM, too.
1427 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1429 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1430 (ipa_tm_create_version_alias): Same.
1432 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1435 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1436 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1438 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1439 Patrick Marlier <patrick.marlier@gmail.com>
1440 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1443 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1444 simple_object_start_read.
1446 2012-01-23 Richard Guenther <rguenther@suse.de>
1449 PR tree-optimization/51895
1450 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1451 parameter decomposition into BLKmode components.
1453 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1455 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1456 fake variables for restrict-qualified pointers whose pointed-to type
1457 contains a placeholder.
1459 2012-01-23 Richard Guenther <rguenther@suse.de>
1461 PR tree-optimization/51949
1462 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1464 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1466 PR rtl-optimization/51933
1467 * ree.c (transform_ifelse): Return true right away if dstreg is
1468 already wider or equal to cand->mode.
1469 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1470 (make_defs_and_copies_lists): Remove defs_list and copies_list
1471 arguments, add state argument, just truncate state->work_list
1472 instead of always allocating and freeing the vector. Assert that
1473 get_defs succeeds instead of returning 2. Changed return type to bool.
1474 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1475 have ext_src_mode, see if it has been modified already with the
1476 right kind of extension and has been extended before from the
1477 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1478 just return true. Remember the original mode in state->modified array.
1479 (combine_reaching_defs): Add state argument. Don't allocate and
1480 free here def_list, copied_list and vec vectors, instead just
1481 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1482 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1483 Add state variable, clear vectors in it, initialize state.modified
1484 if needed. Free all the vectors at the end and state.modified too.
1485 Don't skip a candidate if the extension expression has been modified.
1487 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1490 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1491 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1492 (extra_options) interix.opt -> i386/interix.opt"
1493 (extra_objs):Add winnt-stubs.o
1494 * configure.ac: Add interix to target_os .comm on PE check.
1495 * configure: Regenerate.
1496 * config/interix3.h: Delete and move bits to..
1497 * config/interix.h: Delete and move bits to..
1498 * config/i386/i386-interix3.h: Delete and move bits to..
1499 * config/i386/i386-interix.h: ..here.
1500 (TARGET_CPU_DEFAULT): Remove redefinition.
1501 (TARGET_ASM_CONSTRUCTOR): Undefine.
1502 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1503 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1504 (PTRDIFF_TYPE): Define.
1505 (LONG_DOUBLE_TYPE_SIZE): Define.
1506 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1507 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1508 (TARGET_SECTION_TYPE_FLAGS): Define.
1509 (ASM_DECLARE_FUNCTION_NAME): Define.
1510 (ASM_OUTPUT_EXTERNAL): Define.
1511 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1512 (ASM_OUTPUT_ALIGNED_BSS): Define.
1513 (PCC_BITFIELD_TYPE_MATTERS): Define.
1514 (USE_CONST_SECTION): Define.
1515 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1516 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1517 (SUPPORTS_ONE_ONLY): Remove.
1518 (I386_PE_STRIP_ENCODING): Define.
1519 * config/interix.opt: Delete and move bits to..
1520 * config/i386/interix.opt: ..here. New.
1521 (mpe-aligned-commons): Add.
1522 * config/i386/t-interix: Add copyright header.
1523 (winnt-stubs.o): Add rule.
1525 2012-01-22 Jason Merrill <jason@redhat.com>
1528 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1529 for extra name aliases.
1531 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1533 PR rtl-optimization/51924
1534 * ree.c (combine_set_extension): Improve debugging message.
1535 (combine_reaching_defs): Likewise.
1536 (get_defs): Rename confusingly named variable.
1537 (find_and_remove_re): Skip a candidate if the extension expression has
1540 2012-01-21 Robert Millan <rmh@gnu.org>
1541 Gerald Pfeifer <gerald@pfeifer.com>
1543 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1544 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1546 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1548 PR tree-optimization/51914
1549 * tree-vect-stmts.c (vectorizable_conversion): For
1550 cvt_type && modifier == WIDEN, put temporary with cvt_type
1551 at the beginning of vec_dsts and set vec_dest to temporary
1554 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1556 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1558 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1560 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1561 * config/rs6000/rs6000.c: Likewise.
1563 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1566 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1567 output_move_double on a copy of operands array.
1569 2012-01-20 Cary Coutant <ccoutant@google.com>
1570 Dodji Seketeli <dodji@redhat.com>
1573 * dwarf2out.c (copy_declaration_context): Return ref to parent
1574 of declaration DIE, if necessary.
1575 (remove_child_or_replace_with_skeleton): Add new parameter; update
1576 caller. Place skeleton DIE under parent DIE of original declaration.
1577 Move call to copy_declaration_context to here ...
1578 (break_out_comdat_types): ... from here.
1580 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1582 PR rtl-optimization/51856
1583 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1586 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1589 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1590 hints for neon loads and stores.
1592 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1596 * doc/extend.texi (Named Address Spaces): Split into subsections.
1597 (AVR Named Address Spaces): New subsection.
1598 (M32C Named Address Spaces): New subsection.
1599 (RL78 Named Address Spaces): New subsection.
1600 (SPU Named Address Spaces): New subsection.
1601 (Variable Attributes): New anchor "AVR Variable Attributes".
1602 (AVR Variable Attributes): Rewrite and avoid wording
1603 "address space" in this context.
1604 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1605 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1606 (AVR Built-in Macros): New subsubsection therein.
1607 * doc/md.texi (AVR constraints): Remove "C04", "R".
1609 2012-01-20 Richard Guenther <rguenther@suse.de>
1611 PR tree-optimization/51903
1612 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1613 when removing stmts.
1615 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1618 * config/arm/arm.c (arm_load_pic_register): Use
1619 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1620 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1621 (arm_pic_static_addr): Likewise.
1622 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1623 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1624 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1625 (pic_load_addr_unified): New.
1627 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1630 * function.c (instantiate_virtual_regs_in_insn): Use
1631 delete_insn_and_edges when removing a wrong asm insn.
1633 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1635 PR rtl-optimization/40761
1636 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1637 Add new member loop_num.
1638 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1639 (ira_build): Remove the parameter.
1641 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1642 (ira.c): Do not build CFG loops for one region allocation. Remove
1643 argument from ira_build call.
1645 * ira-build.c (init_loop_tree_node): New function.
1646 (create_loop_tree_nodes): Use it. Separate the case when CFG
1647 loops are not built.
1648 (more_one_region_p): Check current_loops.
1649 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1651 (add_loop_to_tree): Process loop equal to NULL too.
1652 (form_loop_tree): Separate the case when CFG loops are not built.
1653 Use explicitly number for the root.
1654 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1656 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1657 instead of loop->num.
1658 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1659 (mark_all_loops_for_removal): Ditto.
1660 (remove_unnecessary_regions): Separate the case when CFG loops
1662 (ira_build): Remove the parameter. Use explicit number of regions
1663 when CFG loops are not built.
1665 * ira-color.c (print_loop_title): Separate the case for the root node.
1666 Use loop_num instead of loop->num.
1667 (move_spill_restore): Use loop_num instead of loop->num.
1669 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1670 (change_loop): Ditto.
1671 (change_loop): Use loop_num instead of loop->num.
1673 * ira-lives.c (process_bb_node_lives): Ditto.
1675 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1677 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1679 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1682 * tree-mudflap.c (mf_artificial): New function.
1683 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1684 mx_register_decls, mudflap_enqueue_decl): Use it.
1687 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1688 numbers in the insn pattern.
1690 2012-01-19 Michael Matz <matz@suse.de>
1692 PR tree-optimization/46590
1693 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1694 use it in remembering which conflicts we already created.
1695 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1698 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1701 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1702 (merge_and_complain): Same.
1704 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1707 * config/initfini-array.h: Guard content of the header
1708 with #ifdef HAVE_INITFINI_ARRAY.
1709 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1710 Add initfini-array.h to tm_file here.
1711 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1712 * config.gcc: Don't add initfini-array.h to tm_file here.
1713 * configure: Regenerated.
1715 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1717 PR rtl-optimization/51505
1718 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1719 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1720 (df_note_bb_compute): Update the call to df_kill_notes.
1722 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1724 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1726 2012-01-18 Richard Guenther <rguenther@suse.de>
1728 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1729 of conversions to void *.
1731 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1732 Richard Sandiford <rdsandiford@googlemail.com>
1736 * optabs.h (simplify_expand_binop): Declare.
1737 * optabs.c (simplify_expand_binop): Make global.
1738 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1739 endian targets if the source cannot be exactly covered by word
1742 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1745 * hard-reg-set.h (struct hard_reg_set_container): New type.
1746 * target.h (struct hard_reg_set_container): Forward declare.
1747 * target.def (set_up_by_prologue): New target hook.
1748 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1749 * doc/tm.texi: Regenerated.
1750 * function.c (thread_prologue_and_epilogue_insns): Change
1751 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1752 Call targetm.set_up_by_prologue on it.
1753 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1754 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1756 2012-01-17 Nick Clifton <nickc@redhat.com>
1758 * config/rx/rx.c (rx_can_use_simple_return): New function.
1759 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1760 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1762 2012-01-17 Richard Guenther <rguenther@suse.de>
1765 * expr.c (expand_assignment): Take address-space information
1766 from the address operand of MEM_REF and TARGET_MEM_REF.
1767 (expand_expr_real_1): Likewise.
1769 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1771 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1772 reload dump is requested.
1774 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1777 * trans-mem.c (requires_barrier): Call may_be_aliased.
1779 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1781 PR tree-optimization/51877
1782 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1783 call arguments and fndecls compare equal, instead return false if they
1784 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1785 both SSA_NAMEs that are valueized the same, or they satisfy
1788 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1790 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1792 * configure: Regenerate.
1794 2012-01-16 Jan Hubicka <jh@suse.cz>
1798 * convert.c (convert_to_integer): Use fold_convert for
1799 converting an INTEGER_CST to integer type.
1801 2012-01-16 Jason Merrill <jason@redhat.com>
1804 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1806 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1809 * config/s390/s390.c (s390_chunkify_start): Don't skip
1810 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1811 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1812 If insn is followed by NOTE_INSN_VAR_LOCATION or
1813 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1814 Don't use location of note insns.
1816 PR tree-optimization/51865
1817 * tree-inline.c (tree_function_versioning): Call remap_decl
1818 on DECL_RESULT whenever it has VOID_TYPE_P type.
1820 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1822 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1823 for calls to locally-binding MIPS16 functions if only the return
1824 type uses float regs.
1826 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1827 Richard Sandiford <rdsandiford@googlemail.com>
1829 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1830 (SYMBOL_32_HIGH): Likewise.
1831 (mips_output_tls_reloc_directive): Declare.
1832 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1833 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1834 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1835 (mips_lo_relocs, mips_hi_relocs): Make extern.
1836 (mips16_stub_function): Move up file.
1837 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1838 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1839 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1840 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1841 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1842 (mips_get_tp): Add MIPS16 support.
1843 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1844 Generalize DTPREL and TPREL handling.
1845 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1846 Add MIPS16 TLS support.
1847 (mips_output_tls_reloc_directive): New function.
1848 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1849 * config/mips/predicates.md (symbolic_operand_with_high)
1850 (tls_reloc_operand): New predicates.
1851 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1852 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1853 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1854 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1855 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1856 (*tls_get_tp_mips16_call_<mode>): Likewise.
1858 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1860 PR rtl-optimization/51821
1861 * recog.c (peep2_find_free_register): Determine clobbered registers
1864 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1867 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1868 * config/avr/avr.c: Likewise.
1869 * config/avr/avr.h: Likewise.
1871 2012-01-13 Ian Lance Taylor <iant@google.com>
1874 * tree.h (TYPE_QUALS): Add cast to int.
1875 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1877 2012-01-13 Ian Lance Taylor <iant@google.com>
1879 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1880 comparing param_index to VEC_length result.
1882 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1884 * c-decl.c: Do not include tree-mudflap.h
1885 * tree-optimize.c: Likewise.
1886 * Makefile.in: Update dependencies.
1888 2012-01-13 Richard Guenther <rguenther@suse.de>
1891 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1892 variable-sized result always use RSO.
1894 2012-01-12 DJ Delorie <dj@redhat.com>
1896 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1897 pointer type, not just the default pointer type.
1899 2012-01-09 Richard Henderson <rth@redhat.com>
1900 Denis Chertykov <chertykov@gmail.com>
1903 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1904 * config/avr/avr.c (avr_can_eliminate): Simplify.
1905 (avr_initial_elimination_offset): Likewise.
1906 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1907 (expand_epilogue): Likewise.
1908 (avr_legitimize_address): Gut.
1909 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1910 (avr_hard_regno_nregs): New.
1911 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1912 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1913 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1914 add soft frame pointer.
1915 (CALL_USED_REGISTERS): Likewise.
1916 (REG_CLASS_CONTENTS): Likewise.
1917 (REGISTER_NAMES): Likewise.
1918 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1919 (HARD_FRAME_POINTER_REGNUM): New.
1920 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1921 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1922 remove the HARD_FRAME_POINTER self-elimination.
1924 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1927 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1928 DECL_EXTERNAL when checking for initializers of progmem variables.
1930 2012-01-12 Ira Rosen <irar@il.ibm.com>
1932 PR tree-optimization/51799
1933 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1934 that the last operation is a type demotion.
1936 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1938 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1939 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1941 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1944 * combine.c (distribute_notes): If i3 is a noreturn call,
1945 allow old_size to be equal to args_size and make sure the
1946 noreturn call gets REG_ARGS_SIZE note.
1947 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1948 on noreturn calls even when the delta is 0.
1950 2012-01-11 Nathan Sidwell <nathan@acm.org>
1952 * gcov.c (STRING_SIZE): Remove.
1953 (generate_results): Erase annotations for source files with no
1954 coverage information.
1956 (output_lines): Use it.
1958 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1960 * gimple.h (gimplify_body): Remove first argument.
1961 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1962 pointer set here, instead just pass DATA to walk_tree.
1963 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1964 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1965 (unvisit_body): Likewise, but with unmark_visited.
1966 (gimplify_body): Remove BODY_P argument and adjust.
1967 (gimplify_function_tree): Adjust call to gimplify_body.
1968 * omp-low.c (finalize_task_copyfn): Likewise.
1970 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1972 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1973 (build_function_type_skip_args): Delete.
1974 * tree.c (build_function_type_skip_args): Make static and add
1975 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1976 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1977 pass it to build_function_type_skip_args.
1978 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1979 (tree_function_versioning): Likewise.
1980 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1981 build_function_decl_skip_args.
1982 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1983 and pass it to build_function_decl_skip_args/tree_function_versioning.
1984 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1985 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1986 * trans-mem.c (ipa_tm_create_version): Likewise.
1987 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1988 * tree-inline.c (declare_return_variable): Remove always-true test.
1989 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1990 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1991 * ipa-split.c (split_function): Skip the return value for the split
1992 part if it doesn't return.
1994 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1996 PR tree-optimization/49642
1997 * ipa-split.c (forbidden_dominators): New variable.
1998 (check_forbidden_calls): New function.
1999 (dominated_by_forbidden): Likewise.
2000 (consider_split): Check for forbidden dominators.
2001 (execute_split_functions): Initialize and free forbidden
2002 dominators info; call check_forbidden_calls.
2004 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2006 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
2008 2012-01-11 Nick Clifton <nickc@redhat.com>
2010 * config/rx/rx.md (return): Define pattern.
2012 2012-01-11 Richard Guenther <rguenther@suse.de>
2014 * doc/extend.texi (malloc attribute): Adjust according to
2017 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
2018 Patrick Marlier <patrick.marlier@gmail.com>
2021 * trans-mem.c (get_cg_data): Traverse aliases if requested.
2022 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
2023 (ipa_tm_note_irrevocable): Same.
2024 (ipa_tm_scan_irr_block): Same.
2025 (ipa_tm_decrement_clone_counts): Same.
2026 (ipa_tm_scan_irr_function): Same.
2027 (ipa_tm_create_version_alias): Same.
2028 (ipa_tm_create_version): Same.
2029 (ipa_tm_transform_calls_redirect): Same.
2030 (ipa_tm_transform_calls): Same.
2031 (ipa_tm_transform_transaction): Same.
2032 (ipa_tm_execute): Same.
2034 2012-01-10 Richard Guenther <rguenther@suse.de>
2037 * opts.c (common_handle_option): Handle -Werror.
2039 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
2041 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2044 2012-01-10 Jason Merrill <jason@redhat.com>
2046 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2049 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2051 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2052 supports R_386_TLS_GD_PLT reloc.
2053 (gcc_cv_as_ix86_tlsldmplt): Check if linker
2054 supports R_386_TLS_LDM_PLT reloc.
2055 * configure: Regenerate.
2056 * config.in: Regenerate.
2058 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
2061 Extend __pgmx semantics to linearize memory.
2062 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2063 determine if code comes inline or from libgcc.
2064 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2065 (movmem_qi, movmem_qi): Set constraint #2 to "n".
2066 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2067 (movmemx_qi, movmemx_hi): New insns.
2068 (xload_<mode>_libgcc): Rewrite to new insn condition.
2069 (xload_<mode>): Remove insns.
2070 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2071 cases that don't satisfy avr_xload_libgcc_p().
2072 (avr_addr_space_convert): Allow converting in any direction.
2073 (avr_addr_space_subset_p): Return always true.
2074 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2075 (avr_emit_movmemhi): Ditto.
2076 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2077 (avr_out_movmem): Ditto.
2078 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2079 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2080 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2081 (avr_encode_section_info): Encode 'progmem' in symbol flags.
2082 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2084 2012-01-10 Richard Guenther <rguenther@suse.de>
2086 PR tree-optimization/50913
2087 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2088 Require data-refs to be representable by Graphite with respect
2091 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
2093 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2094 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2096 2012-01-10 Tom de Vries <tom@codesourcery.com>
2098 PR rtl-optimization/51271
2099 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2100 handling annulled branch.
2102 2012-01-10 Richard Henderson <rth@redhat.com>
2104 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2105 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2106 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2107 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2108 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2109 arm_expand_vec_perm_const): New.
2110 * config/arm/arm-protos.h: Update.
2111 * config/arm/neon.md (UNSPEC_VCONCAT): New.
2112 (*neon_vswp<VDQX>): New.
2113 (neon_vcombine<VDX>): Use neon_split_vcombine.
2114 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2115 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2116 (vec_perm<VE>): New.
2118 2012-01-10 Richard Henderson <rth@redhat.com>
2120 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2121 use it if reload_completed.
2122 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2123 arm_output_asm_insn, arm_process_output_memory_barrier,
2124 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2125 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2126 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2127 arm_process_output_sync_insn, arm_output_sync_insn,
2128 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2129 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2130 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2131 (emit_unlikely_jump): New.
2132 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2133 (arm_split_atomic_op): New.
2134 * config/arm/arm-protos.h: Update.
2135 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2136 (struct arm_sync_generator): Remove.
2137 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2138 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2139 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2140 (VUNSPEC_LL, VUNSPEC_SC): New.
2141 (sync_result, sync_memory, sync_required_value, sync_new_value,
2142 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2143 (attr length): Don't use arm_sync_loop_insns.
2144 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2145 (movsfcc, movdfcc): Likewise.
2146 * config/arm/constraints.md (Ua): New.
2147 * config/arm/prediates.md (mem_noofs_operand): New.
2148 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2149 (sync_clobber, sync_t2_reqd): Remove.
2150 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2151 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2152 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2153 (arm_sync_compare_and_swap<SIDI>): Remove.
2154 (arm_sync_compare_and_swap<NARROW>): Remove.
2155 (arm_sync_lock_test_and_set<SIDI>): Remove.
2156 (arm_sync_lock_test_and_set<NARROW>): Remove.
2157 (arm_sync_new_<syncop><SIDI>): Remove.
2158 (arm_sync_new_<syncop><NARROW>): Remove.
2159 (arm_sync_new_nand<SIDI>): Remove.
2160 (arm_sync_new_nand<NARROW>): Remove.
2161 (arm_sync_old_<syncop><SIDI>): Remove.
2162 (arm_sync_old_<syncop><NARROW>): Remove.
2163 (arm_sync_old_nand<SIDI>): Remove.
2164 (arm_sync_old_nand<NARROW>): Remove.
2165 (*memory_barrier): Merge arm_output_memory_barrier.
2166 (atomic_compare_and_swap<QHSD>): New.
2167 (atomic_compare_and_swap<NARROW>_1): New.
2168 (atomic_compare_and_swap<SIDI>_1): New.
2169 (atomic_exchange<QHSD>): New.
2170 (cas_cmp_operand, cas_cmp_str): New.
2171 (atomic_op_operand, atomic_op_str): New.
2172 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2173 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2174 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2175 (arm_load_exclusive<NARROW>): New.
2176 (arm_load_exclusivesi, arm_load_exclusivedi): New.
2177 (arm_store_exclusive<QHSD>): New.
2179 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2181 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2182 reload patterns if -mvsx-scalar-memory.
2184 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2185 generated, even -mno-vsx-scalar-double was used.
2186 (vsx_xscvdpsp_scalar): Likewise.
2187 (vsx_xscvspdp_scalar2): Likewise.
2189 2012-01-09 Tom de Vries <tom@codesourcery.com>
2190 Andrew Pinski <apinski@cavium.com>
2193 * reorg.c (fill_slots_from_thread): Don't speculate
2194 frame-related insns.
2196 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
2198 * sched-int.h (bb_note): Move to...
2199 * basic-block.h: ...here.
2200 * haifa-sched.c (bb_note): Move to...
2201 * cfgrtl.c: ...here.
2202 * function.c (next_block_for_reg): New function.
2203 (move_insn_for_shrink_wrap): Likewise.
2204 (prepare_shrink_wrap): Rewrite to use the above.
2206 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
2208 * gimple.c (is_gimple_non_addressable): Remove.
2209 * gimple.h: Remove is_gimple_non_addressable.
2210 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2211 is_gimple_non_addressable.
2212 * trans-mem.c (expand_assign_tm): Same.
2214 2012-01-09 Richard Guenther <rguenther@suse.de>
2216 PR tree-optimization/51775
2217 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2218 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2220 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2222 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2224 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2226 2012-01-09 Richard Guenther <rguenther@suse.de>
2228 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2230 2012-01-08 Jan Hubicka <jh@suse.cz>
2232 PR tree-optimize/51680
2233 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2234 on when known_vals needs to be computed; cleanup.
2236 2012-01-08 Jan Hubicka <jh@suse.cz>
2238 PR tree-optimize/51694
2239 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2241 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
2243 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2244 for -std=c++98 and -std=c++11 too.
2246 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
2248 * cfgloop.c (cancel_loop): Add free() of bbs array.
2250 2012-01-07 Jan Hubicka <jh@suse.cz>
2252 PR tree-optimization/51600
2253 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2254 that benefits small functions.
2256 2012-01-07 Jan Hubicka <jh@suse.cz>
2258 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2260 2012-01-07 Jan Hubicka <jh@suse.cz>
2262 PR tree-optimization/51680
2263 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2264 whose inlining reduce unit size.
2266 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2269 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2270 Add canonical node to containing_mem chain after the non-canonical
2271 one, even if there weren't any locs to propagate.
2272 (remove_useless_values): Keep only canonical values.
2273 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2274 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2275 canonicalize mem_chain elements that are not discarded.
2277 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2280 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2281 before emitting functions.
2283 PR gcov-profile/50127
2284 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2285 clear_aux_for_blocks.
2287 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
2290 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2292 2012-01-06 Arnaud Charlet <charlet@adacore.com>
2294 * c-decl.c (ext_block): Moved up.
2295 (collect_all_refs, for_each_global_decl): Take ext_block into account.
2297 2012-01-06 Han Shen <shenhan@google.com>
2299 Translate built-in include paths for sysroot.
2300 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2301 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2303 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2304 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2306 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2307 control whether sysroot should be prepended to gxx include dir.
2309 * configure: Regenerate.
2311 2012-01-06 Torvald Riegel <triegel@redhat.com>
2313 PR rtl-optimization/51771
2314 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2315 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2317 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2319 PR tree-optimization/51315
2320 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2321 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2323 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
2326 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2327 for shrp pattern. Correctly handle and fixup shift variable.
2328 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2330 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2333 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2334 note when !ACCUMULATE_OUTGOING_ARGS.
2336 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2338 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2340 (extract_range_from_unary_expr_1): Avoid useless computations.
2342 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2344 PR rtl-optimization/51767
2345 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2346 of jump_block and add an extra edge for degenerated asm gotos.
2349 * stmt.c (check_unique_operand_names): Don't ICE during error
2350 reporting if i is from labels chain.
2353 * profile.c (branch_prob): Split bbs that have exit edge
2354 and need a fake entry edge too.
2356 2012-01-05 Jan Hubicka <jh@suse.cz>
2359 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2362 2012-01-05 Richard Guenther <rguenther@suse.de>
2365 * tree-streamer-out.c (write_ts_optimization): New function.
2366 (streamer_write_tree_body): Call it.
2367 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2368 (streamer_read_tree_body): Call it.
2369 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2371 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2374 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2375 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2376 in_cleanup_point_expr before gimplify_stmt call and restore it
2378 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2379 in_cleanup_point_expr is false.
2381 2012-01-05 Richard Guenther <rguenther@suse.de>
2384 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2386 * toplev.c (process_options): Reject combining mudflap and LTO.
2387 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2389 2012-01-05 Richard Guenther <rguenther@suse.de>
2391 PR tree-optimization/51760
2392 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2394 (bit_value_unop): Handle UNDEFINED operands.
2395 (bit_value_binop): Likewise.
2397 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2399 * config/avr/avr.c (avr_replace_prefix): Remove.
2400 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2401 (avr_asm_function_rodata_section): Ditto.
2402 (avr_asm_select_section): Ditto.
2404 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2406 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2409 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2412 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2413 calls that have any non-fake successor edges.
2416 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2418 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2420 PR tree-optimization/51624
2421 * tree-sra.c (build_ref_for_model): When replicating a chain of
2422 COMPONENT_REFs, stop as soon as the offset would become negative.
2424 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2427 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2428 in .debug_loc on the floor.
2430 2012-01-04 Andrew Pinski <apinski@cavium.com>
2432 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2434 2012-01-04 Andrew Pinski <apinski@cavium.com>
2435 Adam Nemet <anemet@caviumnetworks.com>
2437 * config/mips/mips.md (size): Add SI and DI.
2438 (SIZE): New mode attribute.
2439 (U): New code attribute.
2440 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2441 (mips_lbux_<mode>): Delete.
2442 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2443 (mips_lhx): Use gen_mips_lhx_extsi.
2444 (mips_lhx_<mode>): Delete.
2446 (mips_l<size>x): New expand.
2447 (mips_lwx_<mode>): Delete.
2448 (mips_l<GPR:size>x_<P:mode>): New pattern.
2449 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2450 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2451 * config/mips/mips.c (mips_lx_address_p): New function.
2452 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2453 (dsp64): New availability predicate.
2454 (mips_builtins): Add an entry for __builtin_mips_ldx.
2455 * config/mips/mips.h (ISA_HAS_LBX): New define.
2456 (ISA_HAS_LBUX): Likewise.
2457 (ISA_HAS_LHX): Likewise.
2458 (ISA_HAS_LHUX): Likewise.
2459 (ISA_HAS_LWX): Likewise.
2460 (ISA_HAS_LWUX): Likewise.
2461 (ISA_HAS_LDX): Likewise.
2462 * doc/extend.texi (__builtin_mips_ldx): Document.
2464 2012-01-04 Tristan Gingold <gingold@adacore.com>
2466 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2467 when long pointers are used.
2468 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2469 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2470 (ia64-hp-*vms*): Remove.
2471 * config/vms/xm-vms64.h: Delete.
2473 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2476 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2478 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2480 * opts.c (finish_options): Remove duplicate sorry.
2482 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2485 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2488 2012-01-04 Richard Guenther <rguenther@suse.de>
2491 * tree.c (size_low_cst): New function.
2492 * tree.h (size_low_cst): Declare.
2493 * fold-const.c (fold_comparison): Use it to extract the low
2494 part of the POINTER_PLUS_EXPR offset.
2496 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2498 Fix clearing ZERO_REG
2499 * config/avr/avr.md (cc): Add alternative "ldi".
2500 (movqi_insn): Use it in cc attribute.
2501 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2502 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2503 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2505 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2507 * configure: Regenerate.
2509 2012-01-04 Richard Guenther <rguenther@suse.de>
2511 PR tree-optimization/49651
2512 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2513 (var_can_have_subvars): Use it.
2514 (get_constraint_for_1): Only consider subfields if there can be any.
2516 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2519 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2520 to its new canonical_cselib_val and the cselib_val was in
2521 first_containing_mem chain, but the canonical_cselib_val was not,
2522 add the latter into the chain.
2523 (cselib_invalidate_mem): Compare canonical_cselib_val of
2524 addr_list chain elt with v.
2527 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2528 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2530 (output_macinfo_op): Don't ggc_strdup fd->filename.
2531 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2532 then ggc_strdup it. Don't free inc->info or cur->info.
2533 (output_macinfo): Don't free ref->info or file->info.
2535 2012-01-03 Ira Rosen <irar@il.ibm.com>
2537 PR tree-optimization/51269
2538 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2539 first_niters a pointer.
2540 (slpeel_tree_peel_loop_to_edge): Likewise.
2541 (vect_do_peeling_for_loop_bound): Update call to
2542 slpeel_tree_peel_loop_to_edge.
2543 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2544 here. Remove it from the parameters list.
2545 (vect_do_peeling_for_alignment): Update calls and compute
2548 2012-01-03 Richard Guenther <rguenther@suse.de>
2550 PR tree-optimization/51070
2551 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2552 Properly handle calls.
2554 2012-01-03 Richard Guenther <rguenther@suse.de>
2556 PR tree-optimization/51692
2557 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2558 the LHS of allocation stmts.
2560 2012-01-03 Olivier Hainque <hainque@adacore.com>
2562 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2564 2012-01-03 Olivier Hainque <hainque@adacore.com>
2566 * collect2.c (main): In AIX specific computations for vector
2567 insertions, use CONST_CAST2 to cast from char ** to const char **.
2569 2012-01-03 Richard Guenther <rguenther@suse.de>
2572 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2573 the context of a limbo DIE when it does not already exist.
2575 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2577 PR tree-optimization/51719
2578 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2579 but direct call is, clear direct call's lhs and don't add fallthrough
2580 edge from dcall_bb to join_bb and PHIs.
2582 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2584 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2585 the instructions emitted by the pattern.
2586 ("*TDC_insn_<mode>"): Add comment.
2588 2012-01-03 Richard Guenther <rguenther@suse.de>
2591 * fold-const.c (fold_comparison): Properly canonicalize
2592 tree offset and HOST_WIDE_INT bit position.
2594 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2596 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2597 operands for extzv pattern.
2599 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2602 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2605 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2607 * doc/invoke.texi (-flto and related options): Copy-edit.
2609 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2611 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2613 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2615 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2618 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2620 * expr.h (move_by_pieces_ninsns): Declare.
2621 * expr.c (move_by_pieces_ninsns): Make external.
2622 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2623 (mips_store_by_pieces_p): Likewise.
2624 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2625 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2626 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2627 (mips_store_by_pieces_p): Likewise.
2629 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2631 * passes.c (register_one_dump_file): Free full_name.
2633 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2634 (calculate_elim_costs_all_insns): Free offsets_at and
2635 offsets_known_at at the end and clear the pointers.
2637 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2639 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2640 this option introduced in r180739.
2642 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2645 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2646 (tmake_file target=avr): Add avr/t-multilib.
2648 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2649 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2650 * config/avr/genmultilib.awk: New file.
2651 * config/avr/t-multilib: New auto-generated file.
2652 * config/avr/multilib.h: New auto-generated file.
2653 * config/avr/t-avr (AVR_MCUS): New variable.
2654 (genopt.sh): Use it.
2655 (s-mlib): Depend on t-multilib.
2656 (t-multilib, multilib.h): New dependencies.
2657 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2658 (MULTILIB_OPTIONS): Remove.
2659 (MULTILIB_MATCHES): Remove.
2660 (MULTILIB_DIRNAMES): Remove.
2661 (MULTILIB_EXCEPTIONS): Remove:
2662 * config/avr/genopt.sh: Don't use hard coded file name;
2663 pass AVR_MCUS from t-avr instead.
2665 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2667 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2669 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2671 Implement light-weight DImode support.
2672 * config/avr/avr-dimode.md: New file.
2673 * config/avr/avr.md: Include it.
2674 (adjust_len): Add plus64, compare64.
2675 (HIDI): Remove code iterator.
2676 (code_stdname): New code attribute.
2677 (rotx, rotsmode): Remove DI.
2678 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2680 * config/avr/avr-protos.h (avr_have_dimode): New.
2681 (avr_out_plus64, avr_out_compare64): New.
2682 * config/avr/avr.c (avr_out_compare): Handle DImode.
2683 (avr_have_dimode): New variable definition and initialization.
2684 (avr_out_compare64, avr_out_plus64): New functions.
2685 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2686 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2687 (avr_compare_pattern): Skip DImode comparisons.
2689 2012-01-02 Revital Eres <revital.eres@linaro.org>
2691 * ddg.c (def_has_ccmode_p): New function.
2692 (add_cross_iteration_register_deps,
2693 create_ddg_dep_from_intra_loop_link): Call it.
2695 2012-01-02 Richard Guenther <rguenther@suse.de>
2698 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2700 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2702 * gcc.c (process_command): Update copyright notice dates.
2703 * gcov.c (print_version): Likewise.
2704 * gcov-dump.c (print_version): Likewise.
2705 * mips-tfile.c (main): Likewise.
2706 * mips-tdump.c (main): Likewise.
2708 2012-01-01 Ira Rosen <irar@il.ibm.com>
2710 PR tree-optimization/51704
2711 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2712 a use is inside the basic block or loop before accessing its vect info.
2714 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2716 PR rtl-optimization/51069
2717 * cfgloopmanip.c (remove_path): Removing path making irreducible
2718 region unconditional makes BB part of the region.
2720 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2722 PR tree-optimization/51683
2723 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2724 calls with side-effects.
2725 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2727 Copyright (C) 2012 Free Software Foundation, Inc.
2729 Copying and distribution of this file, with or without modification,
2730 are permitted in any medium without royalty provided the copyright
2731 notice and this notice are preserved.
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