1 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
3 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
5 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
8 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
9 force_reg instead of copy_to_reg for better optimization. Force
10 non-register or memory operands into a register.
12 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
14 * extend.texi: Reserve upper bits of memory model for future use.
16 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
17 Anatoly Sokolov <aesok@post.ru>
18 Eric Weddington <eric.weddington@atmel.com>
21 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
22 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
23 Rewrite initializers for .macro.
24 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
25 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
26 atxmega32d4, atxmega32x1.
27 avrxmega4: atxmega64a3, atxmega64d3.
28 avrxmega5: atxmega64a1, atxmega64a1u.
29 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
30 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
31 avrxmega7: atxmega128a1, atxmega128a1u.
32 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
33 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
34 (struct base_arch_s): Rename reserved to xmega_p.
35 Rename reserved2 to have_rampd.
36 (AVR_XMEGA): New define.
37 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
38 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
39 * config/avr/predicates.md (io_address_operand): Take into
41 (low_io_address_operand): Ditto.
42 (high_io_address_operand): Ditto.
43 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
44 (enabled, movhi_sp_r): Use them.
45 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
46 cpp_define_formatted to built-in define __AVR_ARCH__.
47 (__AVR_XMEGA__): New built-in define.
48 (__AVR_HAVE_RAMPD__): New built-in define.
49 (__AVR_HAVE_RAMPX__): New built-in define.
50 (__AVR_HAVE_RAMPY__): New built-in define.
51 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
53 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
54 (avr_option_override): Initialize them.
55 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
56 (avr_init_expanders): Initialize them. No more block several calls.
57 (emit_push_sfr): New static function.
58 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
60 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
61 (avr_print_operand): Print addreeses as symbols for
62 RAMPX, RAMPY, RAMPD, CCP.
63 (output_movhi): Handle AVR_XMEGA when writing to SP.
64 (avr_out_movhi_mr_r_xmega): New static function.
65 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
66 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
67 __RAMPD__, __CCP__ as needed.
69 * config/avr/multilib.h: Regenerate.
70 * config/avr/t-multilib: Regenerate.
71 * config/avr/avr-tables.opt: Regenerate.
73 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
75 PR tree-optimization/50561
76 * graphite-flattening.c (lst_project_loop): Do not
77 remove old scattering dimensions after flattening.
78 (lst_do_flatten): Likewise.
80 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
82 * doc/extend.texi (AVR Built-in Functions): Remove doc for
83 __builtin_avr_map8, __builtin_avr_map16.
84 Document __builtin_avr_insert_bits.
86 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
87 (insert_bits): New insn.
88 (adjust_len.map_bits): Rename to insert_bits.
89 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
90 * avr-protos.h (avr_out_map_bits): Remove.
91 (avr_out_insert_bits, avr_has_nibble_0xf): New.
92 * config/avr/constraints.md (Cxf,C0f): New.
93 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
94 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
95 New built-in define __BUILTIN_AVR_INSERT_BITS.
96 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
97 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
98 (avr_move_bits): Rewrite.
99 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
101 (avr_map_op_t): New typedef.
102 (avr_map_op): New static variable.
103 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
104 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
105 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
106 (bdesc_3arg, avr_expand_triop_builtin): New.
107 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
108 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
109 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
110 (avr_map_equal_p, avr_map_sig_p): Remove.
111 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
112 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
113 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
114 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
115 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
116 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
118 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
120 * config/c6x/c6x.md (reserve_cycles): New attribute.
121 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
122 don't reserve functional units after the branch occurs.
124 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
127 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
128 functions into non-tm_pure functions.
130 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
133 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
134 (iterative_hash_canonical_type): Likewise.
135 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
138 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
140 * haifa-sched.c (prune_ready_list): Ensure that if there is a
141 sched-group insn, it either remains alone or the entire list is
144 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
146 * doc/install.texi (Prerequisites): Fix grammar.
147 (Configuration): Likewise.
149 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
151 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
152 MPC as part of GCC before describing configuring with --with-gmp etc.
153 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
156 2012-02-14 Jakub Jelinek <jakub@redhat.com>
159 * dwarf2out.c (clone_tree_hash): New function.
160 (copy_decls_walk): Use it instead of clone_tree.
162 2012-02-14 Richard Guenther <rguenther@suse.de>
164 PR tree-optimization/52244
165 PR tree-optimization/51528
166 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
167 replacements for integral types.
169 2012-02-14 Walter Lee <walt@tilera.com>
171 * config.gcc: Handle tilegx and tilepro.
172 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
174 Add HAVE_AS_TLS check for tilegx and tilepro.
175 * configure: Regenerate.
176 * doc/contrib.texi: Add Mat Hostetter and self.
177 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
178 Document instruction intrinsics and network accessing intrinsics.
179 (TILEPro Built-in Functions): New node. Document instruction
180 intrinsics and network accessing intrinsics.
181 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
182 (Specific, tilepro-*-linux*): Likewise.
183 * doc/invoke.texi (TILE-Gx Options): New section.
184 (TILEPro Options): New section.
185 * doc/md.texi (TILE-Gx): New section.
186 (TILEPro): New section.
187 * common/config/tilegx/tilegx-common.c: New file.
188 * common/config/tilepro/tilepro-common.c: New file.
189 * config/tilegx/constraints.md: New file.
190 * config/tilegx/linux.h: New file.
191 * config/tilegx/mul-tables.c: New file.
192 * config/tilegx/predicates.md: New file.
193 * config/tilegx/sync.md: New file.
194 * config/tilegx/t-tilegx: New file.
195 * config/tilegx/tilegx-builtins.h: New file.
196 * config/tilegx/tilegx-c.c: New file.
197 * config/tilegx/tilegx-generic.md: New file.
198 * config/tilegx/tilegx-modes.def: New file.
199 * config/tilegx/tilegx-multiply.h: New file.
200 * config/tilegx/tilegx-protos.h: New file.
201 * config/tilegx/tilegx.c: New file.
202 * config/tilegx/tilegx.h: New file.
203 * config/tilegx/tilegx.md: New file.
204 * config/tilegx/tilegx.opt: New file.
205 * config/tilepro/constraints.md: New file.
206 * config/tilepro/gen-mul-tables.cc: New file.
207 * config/tilepro/linux.h: New file.
208 * config/tilepro/mul-tables.c: New file.
209 * config/tilepro/predicates.md: New file.
210 * config/tilepro/t-tilepro: New file.
211 * config/tilepro/tilepro-builtins.h: New file.
212 * config/tilepro/tilepro-c.c: New file.
213 * config/tilepro/tilepro-generic.md: New file.
214 * config/tilepro/tilepro-modes.def: New file.
215 * config/tilepro/tilepro-multiply.h: New file.
216 * config/tilepro/tilepro-protos.h: New file.
217 * config/tilepro/tilepro.c: New file.
218 * config/tilepro/tilepro.h: New file.
219 * config/tilepro/tilepro.md: New file.
220 * config/tilepro/tilepro.opt: New file.
222 2012-02-14 Jakub Jelinek <jakub@redhat.com>
224 PR tree-optimization/52210
225 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
226 vect_model_simple_cost with two entry vect_def_type array instead
229 2012-02-14 Richard Guenther <rguenther@suse.de>
232 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
233 Do not stream DECL_QUALIFIER.
234 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
235 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
236 (find_decls_types_r): Do not walk DECL_QUALIFIER.
238 2012-02-14 Jakub Jelinek <jakub@redhat.com>
241 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
244 2012-02-13 Jakub Jelinek <jakub@redhat.com>
247 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
248 * cselib.c (cselib_subst_to_values_from_insn): New function.
249 * sched-deps.c (add_insn_mem_dependence,
250 sched_analyze_1, sched_analyze_2): Use it.
252 2012-02-13 Jan Hubicka <jh@suse.cz>
255 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
257 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
259 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
260 (GTM_SELF_SPECS): Define if not already defined.
261 (driver_self_specs): Add GTM_SELF_SPECS.
262 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
263 (GTM_SELF_SPECS): Define.
264 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
265 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
267 2012-02-13 Jakub Jelinek <jakub@redhat.com>
269 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
272 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is
276 * omp-low.c (expand_omp_for): If a static schedule without
277 chunk size has NULL region->cont, force fd.chunk_size to be
280 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
283 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
285 2012-02-13 Richard Guenther <rguenther@suse.de>
288 * passes.c (enable_disable_pass): Fix typo.
290 2012-02-13 Jakub Jelinek <jakub@redhat.com>
293 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
294 XOR for reduce_bit_field if type is unsigned.
296 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
298 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
299 disallow changes from SFmode to mode with different size in FP regs.
301 2012-02-12 Robert Millan <rmh@gnu.org>
302 Gerald Pfeifer <gerald@pfeifer.com>
304 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
307 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
309 PR rtl-optimization/52175
310 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
311 to frame-related instructions.
313 2012-02-10 Jason Merrill <jason@redhat.com>
316 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
317 (demangle_new_symbols): Fill it.
318 (scan_linker_output): Walk it.
319 (start_tweaking): Split out from scan_linker_output.
320 (maybe_tweak): Update sym->chosen.
321 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
323 2012-02-11 Jakub Jelinek <jakub@redhat.com>
326 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
329 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
331 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
332 having the same mode as previous compare.
334 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
336 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
337 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
338 (nonlocal_goto_internal): Likewise.
339 (nonlocal_goto): Emit a use and an indirect jump directly.
341 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
344 * doc/extend.texi : Update comments for __atomic_compare_exchange and
345 __atomic_{is,always}_lock_free.
347 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
350 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
351 negative constant address for x32.
353 2012-02-10 Richard Henderson <rth@redhat.com>
355 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
356 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
357 for GIMPLE_TRANSACTION. Tidy if's into a switch.
359 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
360 Ira Rosen <irar@il.ibm.com>
362 PR tree-optimization/50031
363 * targhooks.c (default_builtin_vectorization_cost): Handle
365 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
366 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
367 all types of reduction and pattern statements.
368 (vect_estimate_min_profitable_iters): Likewise.
369 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
370 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
371 for explicit realigns.
372 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
373 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
375 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
376 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
377 vec_perm for VSX and handle vec_promote_demote.
379 2012-02-10 Jakub Jelinek <jakub@redhat.com>
382 * builtins.c (fold_builtin_atomic_always_lock_free,
383 expand_builtin_atomic_always_lock_free,
384 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
385 Return and/or test boolean_true_node/boolean_false_node instead of
386 integer_one_node/integer_zero_node.
388 2012-02-10 Jan Hubicka <jh@suse.cz>
391 * predict.c (predict_paths_for_bb): Prevent looping.
392 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
394 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
396 * config/arm/arm.c (output_move_double): In one case properly
397 count number of instructions that will be emitted.
399 2012-02-10 Richard Guenther <rguenther@suse.de>
402 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
404 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
407 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
409 2012-02-09 Jakub Jelinek <jakub@redhat.com>
412 * var-tracking.c (emit_note_insn_var_location): If
413 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
414 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
415 non-NOTE_DURING_CALL_P insn.
417 2012-02-09 Bin Cheng <bin.cheng@arm.com>
420 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
422 2012-02-08 Magnus Granberg <zorry@gentoo.org>
425 * gcc.c (switch_matches) Support switches with separated form,
428 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
430 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
433 * config/avr/avr.c (avr_addr_t): New typedef.
434 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
435 (avr_init_expanders): Initialize it.
436 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
438 (expand_epilogue): Ditto.
439 (avr_print_operand): Ditto.
440 (avr_file_start): Ditto.
441 (avr_emit_movmemhi): Ditto.
443 2012-02-08 Richard Guenther <rguenther@suse.de>
445 PR tree-optimization/46886
446 * tree-flow.h (do_while_loop_p): Declare.
447 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
448 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
450 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
452 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
453 always succeed for integers larger than a native word.
455 2012-02-08 Richard Guenther <rguenther@suse.de>
457 PR rtl-optimization/52170
458 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
459 properly handle integer vector modes.
461 2012-02-08 Jakub Jelinek <jakub@redhat.com>
463 PR gcov-profile/52150
464 * coverage.c: Include target.h.
465 (build_var): Call targetm.strip_name_encoding on the assembler name.
466 Change one _ into . or $ if the target allows it.
467 * Makefile.in (coverage.o): Depend on $(TARGET_H).
469 PR rtl-optimization/52139
470 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
471 is a BARRIER after emit_insn_after_noloc, move BB_END
472 to the last non-BARRIER insn before it.
474 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
477 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
478 (mips_gimplify_va_arg_expr): Call it instead of
479 std_gimplify_va_arg_expr.
481 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
483 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
484 message for -mno-pointers-to-nested-function.
486 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
489 * expr.c (get_inner_reference): If there is an offset, add a negative
490 bit position to it (if any).
492 2012-02-07 Jakub Jelinek <jakub@redhat.com>
494 PR rtl-optimization/52060
495 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
496 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
497 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
498 and/or i0src_copy2 when needed.
500 2012-02-07 Jakub Jelinek <jakub@redhat.com>
502 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
503 or LTOPLUGINSONAME if have_c.
505 * config/freebsd-spec.h: Add comment about what macros can be defined
507 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
508 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
511 2012-02-07 Richard Guenther <rguenther@suse.de>
513 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
514 newline in -alias dumps.
516 2012-02-07 Kai Tietz <ktietz@redhat.com>
517 Dave Korn <dave.korn.cygwin@gmail.com>
520 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
521 Take care that typinfo gets dllexport-attribute.
523 2012-02-07 Jakub Jelinek <jakub@redhat.com>
526 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
527 if modifier < EXPAND_SUM call force_operand on the result.
529 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
531 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
532 adding __forwarder_dst__ prefix if a forwarder_section attribute is
534 (epiphany_function_type): Replace types for specific interrupts with
535 EPIPHANY_FUNCTION_INTERRUPT.
536 (EPIPHANY_INTERRUPT_P): Update.
537 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
539 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
540 <disinterrupt>: Affects type identity.
541 (epiphany_handle_interrupt_attribute): Handle variable number of
543 (epiphany_compute_function_type): Update for new
544 epiphany_function_type definition.
545 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
546 handlers with a longcall forwarder.
547 (epiphany_start_function): Handle multiple interrupt arguments and/or
548 forwarder_section attribute.
550 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
553 2012-02-07 Alan Modra <amodra@gmail.com>
556 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
559 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
561 PR tree-optimization/50969
562 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
563 use vec_perm rather than vector_stmt.
564 (vect_model_load_cost): Likewise.
565 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
566 vec_perm to be the same as other vector statements.
567 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
568 cost of vec_perm for TARGET_VSX.
570 2012-02-06 Richard Guenther <rguenther@suse.de>
572 PR tree-optimization/52115
573 * tree-sra.c (access_has_replacements_p): New function.
574 (sra_modify_assign): Use it to decide whether a use is uninitialized.
576 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
579 * trans-mem.c (expand_call_tm): Add an assertion.
580 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
583 2012-02-06 Richard Guenther <rguenther@suse.de>
585 PR tree-optimization/50955
586 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
587 raise cost of expressions that replace an address with an
588 expression based on a different pointer.
590 2012-02-06 Jakub Jelinek <jakub@redhat.com>
593 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
594 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
596 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
599 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
600 -Weffc++ and specify guidelines come from second edition.
602 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
604 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
605 (sibcall_value_multiple_internal, call_split, call_internal_direct)
606 (call_direct_split, call_value_split, call_value_internal_direct)
607 (call_value_direct_split, call_value_multiple_split): Use jal and
608 jal_macro attributes.
610 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
612 * reload1.c (reload_regs_reach_end_p): Replace with...
613 (reload_reg_rtx_reaches_end_p): ...this function.
614 (new_spill_reg_store): Update commentary.
615 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
616 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
617 before setting new_spill_reg_store.
618 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
619 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
620 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
621 for non-spill reload registers.
623 2012-02-05 Ira Rosen <irar@il.ibm.com>
625 PR tree-optimization/52091
626 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
627 (vect_is_simple_use_1): Likewise.
628 * tree-vect-loop.c (vectorizable_reduction): Update calls
629 to vect_is_simple_use_1 and vect_is_simple_use.
630 (vectorizable_live_operation): Likewise.
631 * tree-vect-patterns.c (widened_name_p,
632 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
633 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
634 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
635 vectorizable_shift,vectorizable_operation, vectorizable_store,
636 vectorizable_load): Likewise.
637 (vect_is_simple_cond): Add an argument, pass it to
638 vect_is_simple_use_1.
639 (vectorizable_condition): Update calls to vect_is_simple_cond,
641 (vect_is_simple_use): Add an argument, the statement in which
642 OPERAND is used. Check that if OPERAND's def stmt is a double
643 reduction phi node, the use is a phi node too.
644 (vect_is_simple_use_1): Add an argument, pass it to
646 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
647 to vect_is_simple_use.
649 2012-02-04 Jakub Jelinek <jakub@redhat.com>
651 PR rtl-optimization/52095
652 * modulo-sched.c (dump_insn_locator): New function.
653 (loop_canon_p, sms_schedule): Use it.
655 PR rtl-optimization/52113
656 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
657 even for decomposable shift/zext insns.
659 2012-02-03 Jakub Jelinek <jakub@redhat.com>
660 Zdenek Dvorak <ook@ucw.cz>
662 PR rtl-optimization/52092
663 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
664 on get_iv_value result.
666 2012-02-02 Andrew Pinski <apinski@cavium.com>
670 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
672 2012-02-02 Jakub Jelinek <jakub@redhat.com>
675 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
677 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
679 PR rtl-optimization/49800
680 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
681 (sched_finish): Call regstat_free_n_sets_and_refs.
683 2012-02-02 Jia Liu <proljc@gmail.com>
685 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
688 2012-02-02 Jan Hubicka <jh@suse.cz>
689 Tom de Vries <tom@codesourcery.com>
692 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
693 * varpool.c (varpool_analyze_pending_decls): Likewise.
695 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
696 Jayant R Sonar <jayant.sonar@kpitcummins.com>
698 * config.gcc: Add cr16-* support.
700 * doc/extend.texi: Document cr16 extensions.
701 * doc/install.texi: Document cr16 install.
702 * doc/invoke.texi: Document cr16 options.
703 * doc/md.texi: Document cr16 constraints.
705 * common/config/cr16/cr16-common.c: New file.
706 * config/cr16/cr16.c: New file.
707 * config/cr16/cr16.h: New file.
708 * config/cr16/cr16.md: New file.
709 * config/cr16/cr16.opt: New file.
710 * config/cr16/cr16-protos.h: New file.
711 * config/cr16/predicates.md: New file.
712 * config/cr16/constraints.md: New file.
713 * config/cr16/t-cr16: New file.
715 2012-02-02 Jakub Jelinek <jakub@redhat.com>
718 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
719 that operands[2] is either immediate, or q_regs_operand.
721 PR tree-optimization/52073
722 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
723 a pattern stmt for pattern uses, ignore uses outside of the loop.
725 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
727 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
728 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
729 (OUT_AS1, OUT_AS2): Remove.
731 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
733 PR rtl-optimization/51374
734 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
735 to cross other volatile_refs_p insns.
737 2012-02-01 Richard Guenther <rguenther@suse.de>
739 * doc/invoke.texi (fno-inline): Clarify documentation.
740 (finline-small-functions): Likewise.
741 (finline-functions): Likewise.
742 * common.opt (finline): Adjust comment and documentation.
743 (finline-small-functions): Clarify documentation.
744 (finline-functions): Likewise.
745 (finline-functions-called-once): Likewise.
747 2012-02-01 Tristan Gingold <gingold@adacore.com>
749 * c-typeck.c (composite_type): Keep mode for pointers.
751 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
753 * function.h (regno_reg_rtx): Adjust comment.
754 * reginfo.c (init_reg_modes_target): Only use the previous mode
755 if it fits within one register. Remove MIPS comment.
757 2012-01-31 Jakub Jelinek <jakub@redhat.com>
760 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
762 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
764 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
767 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
769 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
771 2012-01-31 Jakub Jelinek <jakub@redhat.com>
776 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
778 2012-01-31 Richard Guenther <rguenther@suse.de>
780 PR tree-optimization/51528
781 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
784 2012-01-31 Jakub Jelinek <jakub@redhat.com>
789 * ree.c (add_removable_extension): Change def_map argument
790 to unsigned *, store in def_map 1 + offset into *insn_list vector
791 instead of pointers into the vector.
792 (find_removable_extensions): Adjust caller.
794 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
796 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
797 Transform all "* quoted-c-code" to { c-code }.
798 Remove redundant test for "optimize" in combine patterns.
799 Move (include "avr-dimode.md") to end of file.
801 2012-01-30 Bin Cheng <bin.cheng@arm.com>
804 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
805 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
807 2012-01-30 Richard Guenther <rguenther@suse.de>
809 PR tree-optimization/52028
810 * tree-loop-distribution.c (ldist_gen): Properly update
813 2012-01-30 Jakub Jelinek <jakub@redhat.com>
816 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
817 set_cur_line_info_table if not emitting debug info.
819 PR tree-optimization/52046
820 * tree-vect-patterns.c (check_bool_pattern): Give up if
821 a comparison could throw.
824 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
826 2012-01-30 Richard Guenther <rguenther@suse.de>
828 PR tree-optimization/52045
829 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
830 SSA form if cfgcleanup did anything.
832 2012-01-30 Richard Guenther <rguenther@suse.de>
834 PR tree-optimization/52045
835 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
836 before computing final todo.
838 2012-01-30 Richard Guenther <rguenther@suse.de>
840 PR tree-optimization/51528
841 * tree-sra.c (sra_modify_assign): Re-factor in preparation
844 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
846 * df-problems.c (df_kill_notes): Check that the use refers
847 to the note under examination.
849 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
852 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
853 parameter and use short-lived pseudos.
854 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
855 (sparc_expand_vector_init): Const-ify local variables and adjust
856 calls to above functions.
858 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
860 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
862 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
864 * doc/invoke.texi: Make usage of "compile time" and
865 "run time"/"runtime" consistent throughout the file.
867 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
869 * config/alpha/alpha.c (alpha_option_override): Default to
870 full IEEE compliance mode for Go language.
872 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
874 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
875 (LINK_SSP_SPEC): Define.
877 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
880 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
883 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
885 * doc/invoke.texi: Correct hyphenation of "floating point",
886 "double precision", and related terminology throughout the file.
888 2012-01-28 Jakub Jelinek <jakub@redhat.com>
891 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
892 arm_general_register_operand predicate for operand 2 instead of
895 2012-01-27 Ian Lance Taylor <iant@google.com>
898 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
899 * builtins.c (expand_builtin_init_trampoline): Add onstack
900 parameter. Change caller.
901 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
902 * tree.c (build_common_builtin_nodes): Declare
903 __builtin_init_heap_trampoline.
905 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
907 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
908 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
909 * config/avr/avr.c: Ditto.
910 (avr_regnames): Remove because unused.
911 * config/avr/avr.md (*cpse.ne): New peephole.
912 (*cpse.eq): New peephole from former cpse peepholes.
914 2012-01-27 Michael Eager <eager@eagercon.com>
916 * config/microblaze.c (microblaze_emit_compare): Correct
917 test after pcmp instruction.
919 2012-01-27 Richard Guenther <rguenther@suse.de>
921 PR tree-optimization/52020
922 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
924 2012-01-27 Richard Guenther <rguenther@suse.de>
926 * ipa-pure-const.c (check_stmt): Clobbers do not make a
927 function non-const/pure.
929 2012-01-27 Richard Guenther <rguenther@suse.de>
931 PR tree-optimization/50444
932 * tree-sra.c (build_ref_for_offset): Properly adjust the
933 MEM_REF type for unaligned accesses.
935 2012-01-27 Richard Guenther <rguenther@suse.de>
937 PR tree-optimization/50444
938 * expr.c (mem_ref_refers_to_non_mem_p): New function.
939 (expand_assignment): Use it. Properly handle misaligned
940 bases when expanding stores to component references.
941 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
944 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
947 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
948 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
949 * tree-data-ref.c (find_data_references_in_loop): Make static.
950 (compute_all_dependences): Change return type to bool. Bail out
951 for too many datarefs in a loop. Move the hunk resetting the data
952 dependences vector from ...
953 (compute_data_dependences_for_loop): ... here. Account for
954 compute_all_dependences returning false.
955 (compute_data_dependences_for_bb): Likewise.
956 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
957 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
959 2012-01-27 Richard Guenther <rguenther@suse.de>
962 * expr.c (store_field): Use the alias-set of the scratch memory
965 2012-01-27 Tom de Vries <tom@codesourcery.com>
967 PR tree-optimization/51990
968 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
970 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
972 2012-01-27 Jakub Jelinek <jakub@redhat.com>
975 * var-tracking.c (reverse_op): Don't add any reverse operation
976 if V already has any constant locations.
978 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
980 * doc/invoke.texi: Correct usage of "command line" (noun)
981 vs "command-line" (adjective) throughout.
983 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
985 * doc/invoke.texi (Language Independent Options): Move
986 -Wcoverage-mismatch blurb from here....
987 (Warning Options): ...to here.
989 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
991 * config/rs6000/rs6000.c (rs6000_option_override_internal):
992 Set rs6000_always_hint to false for 476.
994 2012-01-27 Matthias Klose <doko@ubuntu.com>
996 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
998 * incpath.c (add_standard_paths): Likewise.
1000 2012-01-27 Richard Henderson <rth@redhat.com>
1002 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1003 * config/m68k/sync.md (atomic_test_and_set): Rename from
1004 sync_test_and_setqi and adjust the operands.
1005 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1006 and unconditionally enable.
1008 2012-01-27 Richard Henderson <rth@redhat.com>
1010 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1011 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1012 (ldstub): Rename from ldstubqi.
1013 (ldstub<I24MODE>): Remove.
1015 2012-01-27 Richard Henderson <rth@redhat.com>
1017 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1018 * c-cppbuiltin.c (cpp_atomic_builtins): Define
1019 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1020 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1021 * doc/tm.texi: Rebuild.
1023 2012-01-27 Richard Henderson <rth@redhat.com>
1025 * optabs.c (gen_atomic_test_and_set): Remove default.
1026 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1028 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1030 PR rtl-optimization/51978
1031 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1032 (combine_reaching_defs): Likewise.
1033 (struct re_info): Remove.
1034 (add_removable_extension): Remove x and data arguments,
1035 add insn, insn_list and def_map. Use the arguments directly
1036 instead of using struct re_info.
1037 (find_removable_extensions): Don't call add_removable_extension
1038 through note_stores, instead just call it with single_set
1040 (find_and_remove_re): Pass curr_cand->expr instead of
1041 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1043 2012-01-26 Michael Matz <matz@suse.de>
1045 PR tree-optimization/46590
1046 * cfgexpand.c: Revert last change (r183305).
1047 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1049 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1050 checking for emptiness.
1052 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1055 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1056 non-addressable non-BLKmode base correctly.
1058 2012-01-26 Michael Matz <matz@suse.de>
1060 PR tree-optimization/48794
1061 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1062 regions referenced from RESX/EH_DISPATCH.
1064 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1066 * config/s390/s390.h: Make BRANCH_COST an option.
1067 * config/s390/s390.opt: New option -mbranch-cost.
1069 2012-01-26 Richard Henderson <rth@redhat.com>
1071 Revert 2012-01-24 change:
1072 * trans-mem.c (requires_barrier): Do not instrument thread local
1073 variables and emit save/restore for them.
1075 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1078 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1081 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
1083 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1086 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
1089 Rename __pgm to __flash.
1090 Rename __pgm1 to __flash1.
1091 Rename __pgm2 to __flash2.
1092 Rename __pgm3 to __flash3.
1093 Rename __pgm4 to __flash4.
1094 Rename __pgm5 to __flash5.
1095 Rename __pgmx to __memx.
1096 * doc/extend.texi (AVR Named Address Spaces)
1097 Rename address space names as indicated above.
1098 * config/avr/avr.c (avr_addrspace): Ditto.
1100 * config/avr/avr-protos.h
1101 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1102 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1103 * config/avr/predicates.md: Ditto.
1104 * config/avr/avr.c Ditto, and
1105 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1106 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1108 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1109 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1110 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1111 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1112 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1113 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1114 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1115 * config/avr/avr.c: Ditto.
1116 * config/avr/avr.md: Ditto.
1118 2012-01-25 Jason Merrill <jason@redhat.com>
1121 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1123 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1125 PR tree-optimization/51987
1126 * tree-data-ref.c (get_references_in_stmt): Handle references in
1127 non-volatile GIMPLE_ASM.
1129 2012-01-25 Richard Guenther <rguenther@suse.de>
1131 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1132 bases are dereferenced.
1134 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1136 PR rtl-optimization/48374
1137 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1139 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1141 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1142 compute_data_dependences_for_loop returns false.
1143 * tree-parloops.c (loop_parallel_p): Likewise.
1145 2012-01-25 Richard Guenther <rguenther@suse.de>
1147 * tree.h (get_pointer_alignment_1): Declare.
1148 * builtins.c (get_pointer_alignment_1): New function.
1149 (get_pointer_alignment): Use it.
1151 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1153 PR rtl-optimization/48308
1154 * combine.c (enum undo_kind): Add UNDO_LINKS.
1155 (struct undo): Add member l to other_contents and where.
1156 (do_SUBST_LINK): New.
1158 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1159 (undo_all): Handle UNDO_LINKS.
1161 2012-01-25 Richard Henderson <rth@redhat.com>
1163 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1166 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1168 * optabs.c (gen_atomic_test_and_set): Use each argument.
1170 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1172 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1173 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1174 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1175 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1176 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1177 TARGET_PAIRED_SINGLE_FLOAT.
1179 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1181 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1182 (in_struct, return_val): Remove MEM documentation.
1183 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1184 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1185 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1187 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1188 * cfgexpand.c (add_alias_set_conflicts): Likewise.
1189 * expr.c (store_field): Likewise.
1190 * function.c (assign_stack_temp_for_type): Likewise.
1191 * ifcvt.c (noce_try_cmove_arith): Likewise.
1192 * reload1.c (reload): Likewise.
1193 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1194 (alpha_set_memflags): Likewise.
1195 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1197 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1199 * rtl.h (true_dependence, canon_true_dependence): Remove varies
1201 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1202 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1203 (true_dependence_1, true_dependence, canon_true_dependence): Remove
1205 * cselib.c (cselib_rtx_varies_p): Delete.
1206 (cselib_invalidate_mem): Update call to canon_true_dependence.
1207 * dse.c (record_store, check_mem_read_rtx): Likewise.
1208 (scan_reads_nospill): Likewise.
1209 * cse.c (check_dependence): Likewise.
1210 (cse_rtx_varies_p): Delete.
1211 * expr.c (safe_from_p): Update call to true_dependence.
1212 * ira.c (validate_equiv_mem_from_store): Likewise.
1213 (memref_referenced_p): Likewise.
1214 * postreload-gcse.c (find_mem_conflicts): Likewise.
1215 * sched-deps.c (sched_analyze_2): Likewise.
1216 * store-motion.c (load_kills_store): Likewise.
1217 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1218 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1219 (compute_transp): Update call to canon_true_dependence.
1221 2012-01-25 Richard Henderson <rth@redhat.com>
1223 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1224 (maybe_emit_atomic_test_and_set): New.
1225 (expand_sync_lock_test_and_set): Use it.
1226 (expand_atomic_test_and_set): Likewise.
1227 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1228 the implementation; clarify implementation defined details.
1229 * doc/md.texi (atomic_test_and_set): Document.
1231 2012-01-25 Richard Henderson <rth@redhat.com>
1233 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1235 2012-01-25 Richard Henderson <rth@redhat.com>
1238 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1239 to effect no-op split.
1241 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1244 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1245 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1246 (BT_FN_VOID_PTR_INT_SIZE): New.
1247 (BT_FN_UINT_UINT_VAR): Remove.
1248 (BT_FN_UINT32_UINT32_VAR): New.
1249 (BT_FN_DOUBLE_VPTR): Remove.
1250 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1252 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1253 (_ITM_changeTransactionMode): Same.
1254 (_ITM_memmoveRtWt): Change return type to void.
1255 (_ITM_memcpyRtWt): Same.
1256 (_ITM_memsetW): Same.
1257 (_ITM_RaRD): Change types to double.
1262 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1264 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1265 Patrick Marlier <patrick.marlier@gmail.com>
1267 * trans-mem.c (requires_barrier): Do not instrument thread local
1268 variables and emit save/restore for them.
1270 2012-01-24 Jason Merrill <jason@redhat.com>
1273 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1274 output static aliases.
1276 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1279 * common.opt (-pie, -shared, pie, shared): Change from Common to
1281 * gcc.c (display_help): Display help for -pie and -shared.
1283 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1286 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1287 Remove note on size/offset limitation.
1288 (AVR Variable Attributes): Add example how to read data located
1289 with progmem. Refer to named address spaces.
1290 * doc/invoke.texi (AVR Options): Fix typo.
1292 2012-01-24 Richard Guenther <rguenther@suse.de>
1294 Forward-port to trunk
1295 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1298 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1299 op0 isn't sufficiently aligned and there is movmisalignM
1300 insn for mode, use it to load op0 into a temporary register.
1302 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1305 * target.def (const_not_ok_for_debug_p): New hook.
1306 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1308 * doc/tm.texi: Regenerated.
1309 * dwarf2out.c (const_ok_for_output_1): If
1310 targetm.const_not_ok_for_debug_p returns true, fail.
1311 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1313 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1315 2012-01-23 Kai Tietz <ktietz@redhat.com>
1318 * config/i386/predicates.md (symbolic_operand): Allow
1319 UNSPEC_PCREL as PIC expression for lea.
1320 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1321 * config/i386/i386.c (ix86_delegitimize_address): Handle
1322 UNSPEC_PCREL for none-MEM, too.
1324 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1326 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1327 (ipa_tm_create_version_alias): Same.
1329 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1332 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1333 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1335 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1336 Patrick Marlier <patrick.marlier@gmail.com>
1337 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1340 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1341 simple_object_start_read.
1343 2012-01-23 Richard Guenther <rguenther@suse.de>
1346 PR tree-optimization/51895
1347 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1348 parameter decomposition into BLKmode components.
1350 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1352 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1353 fake variables for restrict-qualified pointers whose pointed-to type
1354 contains a placeholder.
1356 2012-01-23 Richard Guenther <rguenther@suse.de>
1358 PR tree-optimization/51949
1359 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1361 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1363 PR rtl-optimization/51933
1364 * ree.c (transform_ifelse): Return true right away if dstreg is
1365 already wider or equal to cand->mode.
1366 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1367 (make_defs_and_copies_lists): Remove defs_list and copies_list
1368 arguments, add state argument, just truncate state->work_list
1369 instead of always allocating and freeing the vector. Assert that
1370 get_defs succeeds instead of returning 2. Changed return type to bool.
1371 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1372 have ext_src_mode, see if it has been modified already with the
1373 right kind of extension and has been extended before from the
1374 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1375 just return true. Remember the original mode in state->modified array.
1376 (combine_reaching_defs): Add state argument. Don't allocate and
1377 free here def_list, copied_list and vec vectors, instead just
1378 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1379 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1380 Add state variable, clear vectors in it, initialize state.modified
1381 if needed. Free all the vectors at the end and state.modified too.
1382 Don't skip a candidate if the extension expression has been modified.
1384 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1387 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1388 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1389 (extra_options) interix.opt -> i386/interix.opt"
1390 (extra_objs):Add winnt-stubs.o
1391 * configure.ac: Add interix to target_os .comm on PE check.
1392 * configure: Regenerate.
1393 * config/interix3.h: Delete and move bits to..
1394 * config/interix.h: Delete and move bits to..
1395 * config/i386/i386-interix3.h: Delete and move bits to..
1396 * config/i386/i386-interix.h: ..here.
1397 (TARGET_CPU_DEFAULT): Remove redefinition.
1398 (TARGET_ASM_CONSTRUCTOR): Undefine.
1399 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1400 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1401 (PTRDIFF_TYPE): Define.
1402 (LONG_DOUBLE_TYPE_SIZE): Define.
1403 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1404 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1405 (TARGET_SECTION_TYPE_FLAGS): Define.
1406 (ASM_DECLARE_FUNCTION_NAME): Define.
1407 (ASM_OUTPUT_EXTERNAL): Define.
1408 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1409 (ASM_OUTPUT_ALIGNED_BSS): Define.
1410 (PCC_BITFIELD_TYPE_MATTERS): Define.
1411 (USE_CONST_SECTION): Define.
1412 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1413 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1414 (SUPPORTS_ONE_ONLY): Remove.
1415 (I386_PE_STRIP_ENCODING): Define.
1416 * config/interix.opt: Delete and move bits to..
1417 * config/i386/interix.opt: ..here. New.
1418 (mpe-aligned-commons): Add.
1419 * config/i386/t-interix: Add copyright header.
1420 (winnt-stubs.o): Add rule.
1422 2012-01-22 Jason Merrill <jason@redhat.com>
1425 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1426 for extra name aliases.
1428 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1430 PR rtl-optimization/51924
1431 * ree.c (combine_set_extension): Improve debugging message.
1432 (combine_reaching_defs): Likewise.
1433 (get_defs): Rename confusingly named variable.
1434 (find_and_remove_re): Skip a candidate if the extension expression has
1437 2012-01-21 Robert Millan <rmh@gnu.org>
1438 Gerald Pfeifer <gerald@pfeifer.com>
1440 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1441 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1443 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1445 PR tree-optimization/51914
1446 * tree-vect-stmts.c (vectorizable_conversion): For
1447 cvt_type && modifier == WIDEN, put temporary with cvt_type
1448 at the beginning of vec_dsts and set vec_dest to temporary
1451 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1453 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1455 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1457 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1458 * config/rs6000/rs6000.c: Likewise.
1460 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1463 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1464 output_move_double on a copy of operands array.
1466 2012-01-20 Cary Coutant <ccoutant@google.com>
1467 Dodji Seketeli <dodji@redhat.com>
1470 * dwarf2out.c (copy_declaration_context): Return ref to parent
1471 of declaration DIE, if necessary.
1472 (remove_child_or_replace_with_skeleton): Add new parameter; update
1473 caller. Place skeleton DIE under parent DIE of original declaration.
1474 Move call to copy_declaration_context to here ...
1475 (break_out_comdat_types): ... from here.
1477 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1479 PR rtl-optimization/51856
1480 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1483 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1486 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1487 hints for neon loads and stores.
1489 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1493 * doc/extend.texi (Named Address Spaces): Split into subsections.
1494 (AVR Named Address Spaces): New subsection.
1495 (M32C Named Address Spaces): New subsection.
1496 (RL78 Named Address Spaces): New subsection.
1497 (SPU Named Address Spaces): New subsection.
1498 (Variable Attributes): New anchor "AVR Variable Attributes".
1499 (AVR Variable Attributes): Rewrite and avoid wording
1500 "address space" in this context.
1501 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1502 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1503 (AVR Built-in Macros): New subsubsection therein.
1504 * doc/md.texi (AVR constraints): Remove "C04", "R".
1506 2012-01-20 Richard Guenther <rguenther@suse.de>
1508 PR tree-optimization/51903
1509 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1510 when removing stmts.
1512 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1515 * config/arm/arm.c (arm_load_pic_register): Use
1516 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1517 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1518 (arm_pic_static_addr): Likewise.
1519 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1520 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1521 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1522 (pic_load_addr_unified): New.
1524 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1527 * function.c (instantiate_virtual_regs_in_insn): Use
1528 delete_insn_and_edges when removing a wrong asm insn.
1530 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1532 PR rtl-optimization/40761
1533 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1534 Add new member loop_num.
1535 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1536 (ira_build): Remove the parameter.
1538 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1539 (ira.c): Do not build CFG loops for one region allocation. Remove
1540 argument from ira_build call.
1542 * ira-build.c (init_loop_tree_node): New function.
1543 (create_loop_tree_nodes): Use it. Separate the case when CFG
1544 loops are not built.
1545 (more_one_region_p): Check current_loops.
1546 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1548 (add_loop_to_tree): Process loop equal to NULL too.
1549 (form_loop_tree): Separate the case when CFG loops are not built.
1550 Use explicitly number for the root.
1551 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1553 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1554 instead of loop->num.
1555 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1556 (mark_all_loops_for_removal): Ditto.
1557 (remove_unnecessary_regions): Separate the case when CFG loops
1559 (ira_build): Remove the parameter. Use explicit number of regions
1560 when CFG loops are not built.
1562 * ira-color.c (print_loop_title): Separate the case for the root node.
1563 Use loop_num instead of loop->num.
1564 (move_spill_restore): Use loop_num instead of loop->num.
1566 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1567 (change_loop): Ditto.
1568 (change_loop): Use loop_num instead of loop->num.
1570 * ira-lives.c (process_bb_node_lives): Ditto.
1572 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1574 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1576 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1579 * tree-mudflap.c (mf_artificial): New function.
1580 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1581 mx_register_decls, mudflap_enqueue_decl): Use it.
1584 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1585 numbers in the insn pattern.
1587 2012-01-19 Michael Matz <matz@suse.de>
1589 PR tree-optimization/46590
1590 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1591 use it in remembering which conflicts we already created.
1592 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1595 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1598 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1599 (merge_and_complain): Same.
1601 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1604 * config/initfini-array.h: Guard content of the header
1605 with #ifdef HAVE_INITFINI_ARRAY.
1606 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1607 Add initfini-array.h to tm_file here.
1608 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1609 * config.gcc: Don't add initfini-array.h to tm_file here.
1610 * configure: Regenerated.
1612 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1614 PR rtl-optimization/51505
1615 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1616 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1617 (df_note_bb_compute): Update the call to df_kill_notes.
1619 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1621 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1623 2012-01-18 Richard Guenther <rguenther@suse.de>
1625 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1626 of conversions to void *.
1628 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1629 Richard Sandiford <rdsandiford@googlemail.com>
1633 * optabs.h (simplify_expand_binop): Declare.
1634 * optabs.c (simplify_expand_binop): Make global.
1635 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1636 endian targets if the source cannot be exactly covered by word
1639 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1642 * hard-reg-set.h (struct hard_reg_set_container): New type.
1643 * target.h (struct hard_reg_set_container): Forward declare.
1644 * target.def (set_up_by_prologue): New target hook.
1645 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1646 * doc/tm.texi: Regenerated.
1647 * function.c (thread_prologue_and_epilogue_insns): Change
1648 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1649 Call targetm.set_up_by_prologue on it.
1650 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1651 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1653 2012-01-17 Nick Clifton <nickc@redhat.com>
1655 * config/rx/rx.c (rx_can_use_simple_return): New function.
1656 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1657 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1659 2012-01-17 Richard Guenther <rguenther@suse.de>
1662 * expr.c (expand_assignment): Take address-space information
1663 from the address operand of MEM_REF and TARGET_MEM_REF.
1664 (expand_expr_real_1): Likewise.
1666 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1668 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1669 reload dump is requested.
1671 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1674 * trans-mem.c (requires_barrier): Call may_be_aliased.
1676 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1678 PR tree-optimization/51877
1679 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1680 call arguments and fndecls compare equal, instead return false if they
1681 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1682 both SSA_NAMEs that are valueized the same, or they satisfy
1685 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1687 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1689 * configure: Regenerate.
1691 2012-01-16 Jan Hubicka <jh@suse.cz>
1695 * convert.c (convert_to_integer): Use fold_convert for
1696 converting an INTEGER_CST to integer type.
1698 2012-01-16 Jason Merrill <jason@redhat.com>
1701 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1703 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1706 * config/s390/s390.c (s390_chunkify_start): Don't skip
1707 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1708 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1709 If insn is followed by NOTE_INSN_VAR_LOCATION or
1710 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1711 Don't use location of note insns.
1713 PR tree-optimization/51865
1714 * tree-inline.c (tree_function_versioning): Call remap_decl
1715 on DECL_RESULT whenever it has VOID_TYPE_P type.
1717 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1719 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1720 for calls to locally-binding MIPS16 functions if only the return
1721 type uses float regs.
1723 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1724 Richard Sandiford <rdsandiford@googlemail.com>
1726 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1727 (SYMBOL_32_HIGH): Likewise.
1728 (mips_output_tls_reloc_directive): Declare.
1729 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1730 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1731 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1732 (mips_lo_relocs, mips_hi_relocs): Make extern.
1733 (mips16_stub_function): Move up file.
1734 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1735 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1736 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1737 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1738 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1739 (mips_get_tp): Add MIPS16 support.
1740 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1741 Generalize DTPREL and TPREL handling.
1742 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1743 Add MIPS16 TLS support.
1744 (mips_output_tls_reloc_directive): New function.
1745 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1746 * config/mips/predicates.md (symbolic_operand_with_high)
1747 (tls_reloc_operand): New predicates.
1748 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1749 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1750 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1751 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1752 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1753 (*tls_get_tp_mips16_call_<mode>): Likewise.
1755 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1757 PR rtl-optimization/51821
1758 * recog.c (peep2_find_free_register): Determine clobbered registers
1761 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1764 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1765 * config/avr/avr.c: Likewise.
1766 * config/avr/avr.h: Likewise.
1768 2012-01-13 Ian Lance Taylor <iant@google.com>
1771 * tree.h (TYPE_QUALS): Add cast to int.
1772 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1774 2012-01-13 Ian Lance Taylor <iant@google.com>
1776 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1777 comparing param_index to VEC_length result.
1779 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1781 * c-decl.c: Do not include tree-mudflap.h
1782 * tree-optimize.c: Likewise.
1783 * Makefile.in: Update dependencies.
1785 2012-01-13 Richard Guenther <rguenther@suse.de>
1788 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1789 variable-sized result always use RSO.
1791 2012-01-12 DJ Delorie <dj@redhat.com>
1793 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1794 pointer type, not just the default pointer type.
1796 2012-01-09 Richard Henderson <rth@redhat.com>
1797 Denis Chertykov <chertykov@gmail.com>
1800 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1801 * config/avr/avr.c (avr_can_eliminate): Simplify.
1802 (avr_initial_elimination_offset): Likewise.
1803 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1804 (expand_epilogue): Likewise.
1805 (avr_legitimize_address): Gut.
1806 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1807 (avr_hard_regno_nregs): New.
1808 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1809 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1810 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1811 add soft frame pointer.
1812 (CALL_USED_REGISTERS): Likewise.
1813 (REG_CLASS_CONTENTS): Likewise.
1814 (REGISTER_NAMES): Likewise.
1815 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1816 (HARD_FRAME_POINTER_REGNUM): New.
1817 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1818 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1819 remove the HARD_FRAME_POINTER self-elimination.
1821 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1824 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1825 DECL_EXTERNAL when checking for initializers of progmem variables.
1827 2012-01-12 Ira Rosen <irar@il.ibm.com>
1829 PR tree-optimization/51799
1830 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1831 that the last operation is a type demotion.
1833 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1835 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1836 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1838 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1841 * combine.c (distribute_notes): If i3 is a noreturn call,
1842 allow old_size to be equal to args_size and make sure the
1843 noreturn call gets REG_ARGS_SIZE note.
1844 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1845 on noreturn calls even when the delta is 0.
1847 2012-01-11 Nathan Sidwell <nathan@acm.org>
1849 * gcov.c (STRING_SIZE): Remove.
1850 (generate_results): Erase annotations for source files with no
1851 coverage information.
1853 (output_lines): Use it.
1855 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1857 * gimple.h (gimplify_body): Remove first argument.
1858 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1859 pointer set here, instead just pass DATA to walk_tree.
1860 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1861 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1862 (unvisit_body): Likewise, but with unmark_visited.
1863 (gimplify_body): Remove BODY_P argument and adjust.
1864 (gimplify_function_tree): Adjust call to gimplify_body.
1865 * omp-low.c (finalize_task_copyfn): Likewise.
1867 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1869 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1870 (build_function_type_skip_args): Delete.
1871 * tree.c (build_function_type_skip_args): Make static and add
1872 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1873 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1874 pass it to build_function_type_skip_args.
1875 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1876 (tree_function_versioning): Likewise.
1877 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1878 build_function_decl_skip_args.
1879 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1880 and pass it to build_function_decl_skip_args/tree_function_versioning.
1881 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1882 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1883 * trans-mem.c (ipa_tm_create_version): Likewise.
1884 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1885 * tree-inline.c (declare_return_variable): Remove always-true test.
1886 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1887 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1888 * ipa-split.c (split_function): Skip the return value for the split
1889 part if it doesn't return.
1891 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1893 PR tree-optimization/49642
1894 * ipa-split.c (forbidden_dominators): New variable.
1895 (check_forbidden_calls): New function.
1896 (dominated_by_forbidden): Likewise.
1897 (consider_split): Check for forbidden dominators.
1898 (execute_split_functions): Initialize and free forbidden
1899 dominators info; call check_forbidden_calls.
1901 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1903 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1905 2012-01-11 Nick Clifton <nickc@redhat.com>
1907 * config/rx/rx.md (return): Define pattern.
1909 2012-01-11 Richard Guenther <rguenther@suse.de>
1911 * doc/extend.texi (malloc attribute): Adjust according to
1914 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1915 Patrick Marlier <patrick.marlier@gmail.com>
1918 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1919 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1920 (ipa_tm_note_irrevocable): Same.
1921 (ipa_tm_scan_irr_block): Same.
1922 (ipa_tm_decrement_clone_counts): Same.
1923 (ipa_tm_scan_irr_function): Same.
1924 (ipa_tm_create_version_alias): Same.
1925 (ipa_tm_create_version): Same.
1926 (ipa_tm_transform_calls_redirect): Same.
1927 (ipa_tm_transform_calls): Same.
1928 (ipa_tm_transform_transaction): Same.
1929 (ipa_tm_execute): Same.
1931 2012-01-10 Richard Guenther <rguenther@suse.de>
1934 * opts.c (common_handle_option): Handle -Werror.
1936 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1938 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1941 2012-01-10 Jason Merrill <jason@redhat.com>
1943 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1946 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1948 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1949 supports R_386_TLS_GD_PLT reloc.
1950 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1951 supports R_386_TLS_LDM_PLT reloc.
1952 * configure: Regenerate.
1953 * config.in: Regenerate.
1955 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1958 Extend __pgmx semantics to linearize memory.
1959 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1960 determine if code comes inline or from libgcc.
1961 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1962 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1963 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1964 (movmemx_qi, movmemx_hi): New insns.
1965 (xload_<mode>_libgcc): Rewrite to new insn condition.
1966 (xload_<mode>): Remove insns.
1967 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1968 cases that don't satisfy avr_xload_libgcc_p().
1969 (avr_addr_space_convert): Allow converting in any direction.
1970 (avr_addr_space_subset_p): Return always true.
1971 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1972 (avr_emit_movmemhi): Ditto.
1973 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1974 (avr_out_movmem): Ditto.
1975 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1976 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1977 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1978 (avr_encode_section_info): Encode 'progmem' in symbol flags.
1979 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1981 2012-01-10 Richard Guenther <rguenther@suse.de>
1983 PR tree-optimization/50913
1984 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1985 Require data-refs to be representable by Graphite with respect
1988 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
1990 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1991 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1993 2012-01-10 Tom de Vries <tom@codesourcery.com>
1995 PR rtl-optimization/51271
1996 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1997 handling annulled branch.
1999 2012-01-10 Richard Henderson <rth@redhat.com>
2001 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2002 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2003 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2004 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2005 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2006 arm_expand_vec_perm_const): New.
2007 * config/arm/arm-protos.h: Update.
2008 * config/arm/neon.md (UNSPEC_VCONCAT): New.
2009 (*neon_vswp<VDQX>): New.
2010 (neon_vcombine<VDX>): Use neon_split_vcombine.
2011 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2012 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2013 (vec_perm<VE>): New.
2015 2012-01-10 Richard Henderson <rth@redhat.com>
2017 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2018 use it if reload_completed.
2019 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2020 arm_output_asm_insn, arm_process_output_memory_barrier,
2021 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2022 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2023 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2024 arm_process_output_sync_insn, arm_output_sync_insn,
2025 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2026 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2027 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2028 (emit_unlikely_jump): New.
2029 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2030 (arm_split_atomic_op): New.
2031 * config/arm/arm-protos.h: Update.
2032 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2033 (struct arm_sync_generator): Remove.
2034 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2035 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2036 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2037 (VUNSPEC_LL, VUNSPEC_SC): New.
2038 (sync_result, sync_memory, sync_required_value, sync_new_value,
2039 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2040 (attr length): Don't use arm_sync_loop_insns.
2041 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2042 (movsfcc, movdfcc): Likewise.
2043 * config/arm/constraints.md (Ua): New.
2044 * config/arm/prediates.md (mem_noofs_operand): New.
2045 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2046 (sync_clobber, sync_t2_reqd): Remove.
2047 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2048 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2049 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2050 (arm_sync_compare_and_swap<SIDI>): Remove.
2051 (arm_sync_compare_and_swap<NARROW>): Remove.
2052 (arm_sync_lock_test_and_set<SIDI>): Remove.
2053 (arm_sync_lock_test_and_set<NARROW>): Remove.
2054 (arm_sync_new_<syncop><SIDI>): Remove.
2055 (arm_sync_new_<syncop><NARROW>): Remove.
2056 (arm_sync_new_nand<SIDI>): Remove.
2057 (arm_sync_new_nand<NARROW>): Remove.
2058 (arm_sync_old_<syncop><SIDI>): Remove.
2059 (arm_sync_old_<syncop><NARROW>): Remove.
2060 (arm_sync_old_nand<SIDI>): Remove.
2061 (arm_sync_old_nand<NARROW>): Remove.
2062 (*memory_barrier): Merge arm_output_memory_barrier.
2063 (atomic_compare_and_swap<QHSD>): New.
2064 (atomic_compare_and_swap<NARROW>_1): New.
2065 (atomic_compare_and_swap<SIDI>_1): New.
2066 (atomic_exchange<QHSD>): New.
2067 (cas_cmp_operand, cas_cmp_str): New.
2068 (atomic_op_operand, atomic_op_str): New.
2069 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2070 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2071 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2072 (arm_load_exclusive<NARROW>): New.
2073 (arm_load_exclusivesi, arm_load_exclusivedi): New.
2074 (arm_store_exclusive<QHSD>): New.
2076 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2078 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2079 reload patterns if -mvsx-scalar-memory.
2081 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2082 generated, even -mno-vsx-scalar-double was used.
2083 (vsx_xscvdpsp_scalar): Likewise.
2084 (vsx_xscvspdp_scalar2): Likewise.
2086 2012-01-09 Tom de Vries <tom@codesourcery.com>
2087 Andrew Pinski <apinski@cavium.com>
2090 * reorg.c (fill_slots_from_thread): Don't speculate
2091 frame-related insns.
2093 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
2095 * sched-int.h (bb_note): Move to...
2096 * basic-block.h: ...here.
2097 * haifa-sched.c (bb_note): Move to...
2098 * cfgrtl.c: ...here.
2099 * function.c (next_block_for_reg): New function.
2100 (move_insn_for_shrink_wrap): Likewise.
2101 (prepare_shrink_wrap): Rewrite to use the above.
2103 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
2105 * gimple.c (is_gimple_non_addressable): Remove.
2106 * gimple.h: Remove is_gimple_non_addressable.
2107 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2108 is_gimple_non_addressable.
2109 * trans-mem.c (expand_assign_tm): Same.
2111 2012-01-09 Richard Guenther <rguenther@suse.de>
2113 PR tree-optimization/51775
2114 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2115 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2117 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2119 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2121 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2123 2012-01-09 Richard Guenther <rguenther@suse.de>
2125 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2127 2012-01-08 Jan Hubicka <jh@suse.cz>
2129 PR tree-optimize/51680
2130 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2131 on when known_vals needs to be computed; cleanup.
2133 2012-01-08 Jan Hubicka <jh@suse.cz>
2135 PR tree-optimize/51694
2136 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2138 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
2140 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2141 for -std=c++98 and -std=c++11 too.
2143 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
2145 * cfgloop.c (cancel_loop): Add free() of bbs array.
2147 2012-01-07 Jan Hubicka <jh@suse.cz>
2149 PR tree-optimization/51600
2150 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2151 that benefits small functions.
2153 2012-01-07 Jan Hubicka <jh@suse.cz>
2155 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2157 2012-01-07 Jan Hubicka <jh@suse.cz>
2159 PR tree-optimization/51680
2160 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2161 whose inlining reduce unit size.
2163 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2166 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2167 Add canonical node to containing_mem chain after the non-canonical
2168 one, even if there weren't any locs to propagate.
2169 (remove_useless_values): Keep only canonical values.
2170 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2171 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2172 canonicalize mem_chain elements that are not discarded.
2174 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2177 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2178 before emitting functions.
2180 PR gcov-profile/50127
2181 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2182 clear_aux_for_blocks.
2184 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
2187 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2189 2012-01-06 Arnaud Charlet <charlet@adacore.com>
2191 * c-decl.c (ext_block): Moved up.
2192 (collect_all_refs, for_each_global_decl): Take ext_block into account.
2194 2012-01-06 Han Shen <shenhan@google.com>
2196 Translate built-in include paths for sysroot.
2197 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2198 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2200 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2201 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2203 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2204 control whether sysroot should be prepended to gxx include dir.
2206 * configure: Regenerate.
2208 2012-01-06 Torvald Riegel <triegel@redhat.com>
2210 PR rtl-optimization/51771
2211 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2212 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2214 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2216 PR tree-optimization/51315
2217 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2218 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2220 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
2223 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2224 for shrp pattern. Correctly handle and fixup shift variable.
2225 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2227 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2230 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2231 note when !ACCUMULATE_OUTGOING_ARGS.
2233 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2235 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2237 (extract_range_from_unary_expr_1): Avoid useless computations.
2239 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2241 PR rtl-optimization/51767
2242 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2243 of jump_block and add an extra edge for degenerated asm gotos.
2246 * stmt.c (check_unique_operand_names): Don't ICE during error
2247 reporting if i is from labels chain.
2250 * profile.c (branch_prob): Split bbs that have exit edge
2251 and need a fake entry edge too.
2253 2012-01-05 Jan Hubicka <jh@suse.cz>
2256 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2259 2012-01-05 Richard Guenther <rguenther@suse.de>
2262 * tree-streamer-out.c (write_ts_optimization): New function.
2263 (streamer_write_tree_body): Call it.
2264 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2265 (streamer_read_tree_body): Call it.
2266 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2268 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2271 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2272 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2273 in_cleanup_point_expr before gimplify_stmt call and restore it
2275 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2276 in_cleanup_point_expr is false.
2278 2012-01-05 Richard Guenther <rguenther@suse.de>
2281 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2283 * toplev.c (process_options): Reject combining mudflap and LTO.
2284 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2286 2012-01-05 Richard Guenther <rguenther@suse.de>
2288 PR tree-optimization/51760
2289 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2291 (bit_value_unop): Handle UNDEFINED operands.
2292 (bit_value_binop): Likewise.
2294 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2296 * config/avr/avr.c (avr_replace_prefix): Remove.
2297 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2298 (avr_asm_function_rodata_section): Ditto.
2299 (avr_asm_select_section): Ditto.
2301 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2303 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2306 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2309 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2310 calls that have any non-fake successor edges.
2313 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2315 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2317 PR tree-optimization/51624
2318 * tree-sra.c (build_ref_for_model): When replicating a chain of
2319 COMPONENT_REFs, stop as soon as the offset would become negative.
2321 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2324 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2325 in .debug_loc on the floor.
2327 2012-01-04 Andrew Pinski <apinski@cavium.com>
2329 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2331 2012-01-04 Andrew Pinski <apinski@cavium.com>
2332 Adam Nemet <anemet@caviumnetworks.com>
2334 * config/mips/mips.md (size): Add SI and DI.
2335 (SIZE): New mode attribute.
2336 (U): New code attribute.
2337 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2338 (mips_lbux_<mode>): Delete.
2339 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2340 (mips_lhx): Use gen_mips_lhx_extsi.
2341 (mips_lhx_<mode>): Delete.
2343 (mips_l<size>x): New expand.
2344 (mips_lwx_<mode>): Delete.
2345 (mips_l<GPR:size>x_<P:mode>): New pattern.
2346 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2347 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2348 * config/mips/mips.c (mips_lx_address_p): New function.
2349 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2350 (dsp64): New availability predicate.
2351 (mips_builtins): Add an entry for __builtin_mips_ldx.
2352 * config/mips/mips.h (ISA_HAS_LBX): New define.
2353 (ISA_HAS_LBUX): Likewise.
2354 (ISA_HAS_LHX): Likewise.
2355 (ISA_HAS_LHUX): Likewise.
2356 (ISA_HAS_LWX): Likewise.
2357 (ISA_HAS_LWUX): Likewise.
2358 (ISA_HAS_LDX): Likewise.
2359 * doc/extend.texi (__builtin_mips_ldx): Document.
2361 2012-01-04 Tristan Gingold <gingold@adacore.com>
2363 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2364 when long pointers are used.
2365 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2366 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2367 (ia64-hp-*vms*): Remove.
2368 * config/vms/xm-vms64.h: Delete.
2370 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2373 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2375 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2377 * opts.c (finish_options): Remove duplicate sorry.
2379 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2382 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2385 2012-01-04 Richard Guenther <rguenther@suse.de>
2388 * tree.c (size_low_cst): New function.
2389 * tree.h (size_low_cst): Declare.
2390 * fold-const.c (fold_comparison): Use it to extract the low
2391 part of the POINTER_PLUS_EXPR offset.
2393 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2395 Fix clearing ZERO_REG
2396 * config/avr/avr.md (cc): Add alternative "ldi".
2397 (movqi_insn): Use it in cc attribute.
2398 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2399 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2400 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2402 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2404 * configure: Regenerate.
2406 2012-01-04 Richard Guenther <rguenther@suse.de>
2408 PR tree-optimization/49651
2409 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2410 (var_can_have_subvars): Use it.
2411 (get_constraint_for_1): Only consider subfields if there can be any.
2413 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2416 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2417 to its new canonical_cselib_val and the cselib_val was in
2418 first_containing_mem chain, but the canonical_cselib_val was not,
2419 add the latter into the chain.
2420 (cselib_invalidate_mem): Compare canonical_cselib_val of
2421 addr_list chain elt with v.
2424 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2425 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2427 (output_macinfo_op): Don't ggc_strdup fd->filename.
2428 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2429 then ggc_strdup it. Don't free inc->info or cur->info.
2430 (output_macinfo): Don't free ref->info or file->info.
2432 2012-01-03 Ira Rosen <irar@il.ibm.com>
2434 PR tree-optimization/51269
2435 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2436 first_niters a pointer.
2437 (slpeel_tree_peel_loop_to_edge): Likewise.
2438 (vect_do_peeling_for_loop_bound): Update call to
2439 slpeel_tree_peel_loop_to_edge.
2440 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2441 here. Remove it from the parameters list.
2442 (vect_do_peeling_for_alignment): Update calls and compute
2445 2012-01-03 Richard Guenther <rguenther@suse.de>
2447 PR tree-optimization/51070
2448 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2449 Properly handle calls.
2451 2012-01-03 Richard Guenther <rguenther@suse.de>
2453 PR tree-optimization/51692
2454 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2455 the LHS of allocation stmts.
2457 2012-01-03 Olivier Hainque <hainque@adacore.com>
2459 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2461 2012-01-03 Olivier Hainque <hainque@adacore.com>
2463 * collect2.c (main): In AIX specific computations for vector
2464 insertions, use CONST_CAST2 to cast from char ** to const char **.
2466 2012-01-03 Richard Guenther <rguenther@suse.de>
2469 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2470 the context of a limbo DIE when it does not already exist.
2472 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2474 PR tree-optimization/51719
2475 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2476 but direct call is, clear direct call's lhs and don't add fallthrough
2477 edge from dcall_bb to join_bb and PHIs.
2479 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2481 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2482 the instructions emitted by the pattern.
2483 ("*TDC_insn_<mode>"): Add comment.
2485 2012-01-03 Richard Guenther <rguenther@suse.de>
2488 * fold-const.c (fold_comparison): Properly canonicalize
2489 tree offset and HOST_WIDE_INT bit position.
2491 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2493 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2494 operands for extzv pattern.
2496 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2499 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2502 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2504 * doc/invoke.texi (-flto and related options): Copy-edit.
2506 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2508 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2510 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2512 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2515 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2517 * expr.h (move_by_pieces_ninsns): Declare.
2518 * expr.c (move_by_pieces_ninsns): Make external.
2519 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2520 (mips_store_by_pieces_p): Likewise.
2521 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2522 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2523 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2524 (mips_store_by_pieces_p): Likewise.
2526 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2528 * passes.c (register_one_dump_file): Free full_name.
2530 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2531 (calculate_elim_costs_all_insns): Free offsets_at and
2532 offsets_known_at at the end and clear the pointers.
2534 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2536 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2537 this option introduced in r180739.
2539 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2542 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2543 (tmake_file target=avr): Add avr/t-multilib.
2545 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2546 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2547 * config/avr/genmultilib.awk: New file.
2548 * config/avr/t-multilib: New auto-generated file.
2549 * config/avr/multilib.h: New auto-generated file.
2550 * config/avr/t-avr (AVR_MCUS): New variable.
2551 (genopt.sh): Use it.
2552 (s-mlib): Depend on t-multilib.
2553 (t-multilib, multilib.h): New dependencies.
2554 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2555 (MULTILIB_OPTIONS): Remove.
2556 (MULTILIB_MATCHES): Remove.
2557 (MULTILIB_DIRNAMES): Remove.
2558 (MULTILIB_EXCEPTIONS): Remove:
2559 * config/avr/genopt.sh: Don't use hard coded file name;
2560 pass AVR_MCUS from t-avr instead.
2562 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2564 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2566 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2568 Implement light-weight DImode support.
2569 * config/avr/avr-dimode.md: New file.
2570 * config/avr/avr.md: Include it.
2571 (adjust_len): Add plus64, compare64.
2572 (HIDI): Remove code iterator.
2573 (code_stdname): New code attribute.
2574 (rotx, rotsmode): Remove DI.
2575 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2577 * config/avr/avr-protos.h (avr_have_dimode): New.
2578 (avr_out_plus64, avr_out_compare64): New.
2579 * config/avr/avr.c (avr_out_compare): Handle DImode.
2580 (avr_have_dimode): New variable definition and initialization.
2581 (avr_out_compare64, avr_out_plus64): New functions.
2582 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2583 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2584 (avr_compare_pattern): Skip DImode comparisons.
2586 2012-01-02 Revital Eres <revital.eres@linaro.org>
2588 * ddg.c (def_has_ccmode_p): New function.
2589 (add_cross_iteration_register_deps,
2590 create_ddg_dep_from_intra_loop_link): Call it.
2592 2012-01-02 Richard Guenther <rguenther@suse.de>
2595 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2597 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2599 * gcc.c (process_command): Update copyright notice dates.
2600 * gcov.c (print_version): Likewise.
2601 * gcov-dump.c (print_version): Likewise.
2602 * mips-tfile.c (main): Likewise.
2603 * mips-tdump.c (main): Likewise.
2605 2012-01-01 Ira Rosen <irar@il.ibm.com>
2607 PR tree-optimization/51704
2608 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2609 a use is inside the basic block or loop before accessing its vect info.
2611 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2613 PR rtl-optimization/51069
2614 * cfgloopmanip.c (remove_path): Removing path making irreducible
2615 region unconditional makes BB part of the region.
2617 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2619 PR tree-optimization/51683
2620 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2621 calls with side-effects.
2622 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2624 Copyright (C) 2012 Free Software Foundation, Inc.
2626 Copying and distribution of this file, with or without modification,
2627 are permitted in any medium without royalty provided the copyright
2628 notice and this notice are preserved.
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