1 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
3 * extend.texi: Reserve upper bits of memory model for future use.
5 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
6 Anatoly Sokolov <aesok@post.ru>
7 Eric Weddington <eric.weddington@atmel.com>
10 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
11 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
12 Rewrite initializers for .macro.
13 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
14 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
15 atxmega32d4, atxmega32x1.
16 avrxmega4: atxmega64a3, atxmega64d3.
17 avrxmega5: atxmega64a1, atxmega64a1u.
18 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
19 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
20 avrxmega7: atxmega128a1, atxmega128a1u.
21 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
22 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
23 (struct base_arch_s): Rename reserved to xmega_p.
24 Rename reserved2 to have_rampd.
25 (AVR_XMEGA): New define.
26 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
27 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
28 * config/avr/predicates.md (io_address_operand): Take into
30 (low_io_address_operand): Ditto.
31 (high_io_address_operand): Ditto.
32 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
33 (enabled, movhi_sp_r): Use them.
34 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
35 cpp_define_formatted to built-in define __AVR_ARCH__.
36 (__AVR_XMEGA__): New built-in define.
37 (__AVR_HAVE_RAMPD__): New built-in define.
38 (__AVR_HAVE_RAMPX__): New built-in define.
39 (__AVR_HAVE_RAMPY__): New built-in define.
40 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
42 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
43 (avr_option_override): Initialize them.
44 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
45 (avr_init_expanders): Initialize them. No more block several calls.
46 (emit_push_sfr): New static function.
47 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
49 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
50 (avr_print_operand): Print addreeses as symbols for
51 RAMPX, RAMPY, RAMPD, CCP.
52 (output_movhi): Handle AVR_XMEGA when writing to SP.
53 (avr_out_movhi_mr_r_xmega): New static function.
54 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
55 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
56 __RAMPD__, __CCP__ as needed.
58 * config/avr/multilib.h: Regenerate.
59 * config/avr/t-multilib: Regenerate.
60 * config/avr/avr-tables.opt: Regenerate.
62 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
64 PR tree-optimization/50561
65 * graphite-flattening.c (lst_project_loop): Do not
66 remove old scattering dimensions after flattening.
67 (lst_do_flatten): Likewise.
69 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
71 * doc/extend.texi (AVR Built-in Functions): Remove doc for
72 __builtin_avr_map8, __builtin_avr_map16.
73 Document __builtin_avr_insert_bits.
75 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
76 (insert_bits): New insn.
77 (adjust_len.map_bits): Rename to insert_bits.
78 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
79 * avr-protos.h (avr_out_map_bits): Remove.
80 (avr_out_insert_bits, avr_has_nibble_0xf): New.
81 * config/avr/constraints.md (Cxf,C0f): New.
82 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
83 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
84 New built-in define __BUILTIN_AVR_INSERT_BITS.
85 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
86 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
87 (avr_move_bits): Rewrite.
88 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
90 (avr_map_op_t): New typedef.
91 (avr_map_op): New static variable.
92 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
93 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
94 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
95 (bdesc_3arg, avr_expand_triop_builtin): New.
96 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
97 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
98 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
99 (avr_map_equal_p, avr_map_sig_p): Remove.
100 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
101 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
102 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
103 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
104 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
105 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
107 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
109 * config/c6x/c6x.md (reserve_cycles): New attribute.
110 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
111 don't reserve functional units after the branch occurs.
113 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
116 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
117 functions into non-tm_pure functions.
119 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
122 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
123 (iterative_hash_canonical_type): Likewise.
124 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
127 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
129 * haifa-sched.c (prune_ready_list): Ensure that if there is a
130 sched-group insn, it either remains alone or the entire list is
133 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
135 * doc/install.texi (Prerequisites): Fix grammar.
136 (Configuration): Likewise.
138 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
140 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
141 MPC as part of GCC before describing configuring with --with-gmp etc.
142 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
145 2012-02-14 Jakub Jelinek <jakub@redhat.com>
148 * dwarf2out.c (clone_tree_hash): New function.
149 (copy_decls_walk): Use it instead of clone_tree.
151 2012-02-14 Richard Guenther <rguenther@suse.de>
153 PR tree-optimization/52244
154 PR tree-optimization/51528
155 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
156 replacements for integral types.
158 2012-02-14 Walter Lee <walt@tilera.com>
160 * config.gcc: Handle tilegx and tilepro.
161 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
163 Add HAVE_AS_TLS check for tilegx and tilepro.
164 * configure: Regenerate.
165 * doc/contrib.texi: Add Mat Hostetter and self.
166 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
167 Document instruction intrinsics and network accessing intrinsics.
168 (TILEPro Built-in Functions): New node. Document instruction
169 intrinsics and network accessing intrinsics.
170 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
171 (Specific, tilepro-*-linux*): Likewise.
172 * doc/invoke.texi (TILE-Gx Options): New section.
173 (TILEPro Options): New section.
174 * doc/md.texi (TILE-Gx): New section.
175 (TILEPro): New section.
176 * common/config/tilegx/tilegx-common.c: New file.
177 * common/config/tilepro/tilepro-common.c: New file.
178 * config/tilegx/constraints.md: New file.
179 * config/tilegx/linux.h: New file.
180 * config/tilegx/mul-tables.c: New file.
181 * config/tilegx/predicates.md: New file.
182 * config/tilegx/sync.md: New file.
183 * config/tilegx/t-tilegx: New file.
184 * config/tilegx/tilegx-builtins.h: New file.
185 * config/tilegx/tilegx-c.c: New file.
186 * config/tilegx/tilegx-generic.md: New file.
187 * config/tilegx/tilegx-modes.def: New file.
188 * config/tilegx/tilegx-multiply.h: New file.
189 * config/tilegx/tilegx-protos.h: New file.
190 * config/tilegx/tilegx.c: New file.
191 * config/tilegx/tilegx.h: New file.
192 * config/tilegx/tilegx.md: New file.
193 * config/tilegx/tilegx.opt: New file.
194 * config/tilepro/constraints.md: New file.
195 * config/tilepro/gen-mul-tables.cc: New file.
196 * config/tilepro/linux.h: New file.
197 * config/tilepro/mul-tables.c: New file.
198 * config/tilepro/predicates.md: New file.
199 * config/tilepro/t-tilepro: New file.
200 * config/tilepro/tilepro-builtins.h: New file.
201 * config/tilepro/tilepro-c.c: New file.
202 * config/tilepro/tilepro-generic.md: New file.
203 * config/tilepro/tilepro-modes.def: New file.
204 * config/tilepro/tilepro-multiply.h: New file.
205 * config/tilepro/tilepro-protos.h: New file.
206 * config/tilepro/tilepro.c: New file.
207 * config/tilepro/tilepro.h: New file.
208 * config/tilepro/tilepro.md: New file.
209 * config/tilepro/tilepro.opt: New file.
211 2012-02-14 Jakub Jelinek <jakub@redhat.com>
213 PR tree-optimization/52210
214 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
215 vect_model_simple_cost with two entry vect_def_type array instead
218 2012-02-14 Richard Guenther <rguenther@suse.de>
221 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
222 Do not stream DECL_QUALIFIER.
223 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
224 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
225 (find_decls_types_r): Do not walk DECL_QUALIFIER.
227 2012-02-14 Jakub Jelinek <jakub@redhat.com>
230 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
233 2012-02-13 Jakub Jelinek <jakub@redhat.com>
236 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
237 * cselib.c (cselib_subst_to_values_from_insn): New function.
238 * sched-deps.c (add_insn_mem_dependence,
239 sched_analyze_1, sched_analyze_2): Use it.
241 2012-02-13 Jan Hubicka <jh@suse.cz>
244 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
246 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
248 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
249 (GTM_SELF_SPECS): Define if not already defined.
250 (driver_self_specs): Add GTM_SELF_SPECS.
251 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
252 (GTM_SELF_SPECS): Define.
253 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
254 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
256 2012-02-13 Jakub Jelinek <jakub@redhat.com>
258 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
261 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is
265 * omp-low.c (expand_omp_for): If a static schedule without
266 chunk size has NULL region->cont, force fd.chunk_size to be
269 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
272 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
274 2012-02-13 Richard Guenther <rguenther@suse.de>
277 * passes.c (enable_disable_pass): Fix typo.
279 2012-02-13 Jakub Jelinek <jakub@redhat.com>
282 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
283 XOR for reduce_bit_field if type is unsigned.
285 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
287 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
288 disallow changes from SFmode to mode with different size in FP regs.
290 2012-02-12 Robert Millan <rmh@gnu.org>
291 Gerald Pfeifer <gerald@pfeifer.com>
293 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
296 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
298 PR rtl-optimization/52175
299 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
300 to frame-related instructions.
302 2012-02-10 Jason Merrill <jason@redhat.com>
305 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
306 (demangle_new_symbols): Fill it.
307 (scan_linker_output): Walk it.
308 (start_tweaking): Split out from scan_linker_output.
309 (maybe_tweak): Update sym->chosen.
310 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
312 2012-02-11 Jakub Jelinek <jakub@redhat.com>
315 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
318 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
320 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
321 having the same mode as previous compare.
323 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
325 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
326 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
327 (nonlocal_goto_internal): Likewise.
328 (nonlocal_goto): Emit a use and an indirect jump directly.
330 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
333 * doc/extend.texi : Update comments for __atomic_compare_exchange and
334 __atomic_{is,always}_lock_free.
336 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
339 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
340 negative constant address for x32.
342 2012-02-10 Richard Henderson <rth@redhat.com>
344 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
345 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
346 for GIMPLE_TRANSACTION. Tidy if's into a switch.
348 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
349 Ira Rosen <irar@il.ibm.com>
351 PR tree-optimization/50031
352 * targhooks.c (default_builtin_vectorization_cost): Handle
354 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
355 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
356 all types of reduction and pattern statements.
357 (vect_estimate_min_profitable_iters): Likewise.
358 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
359 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
360 for explicit realigns.
361 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
362 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
364 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
365 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
366 vec_perm for VSX and handle vec_promote_demote.
368 2012-02-10 Jakub Jelinek <jakub@redhat.com>
371 * builtins.c (fold_builtin_atomic_always_lock_free,
372 expand_builtin_atomic_always_lock_free,
373 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
374 Return and/or test boolean_true_node/boolean_false_node instead of
375 integer_one_node/integer_zero_node.
377 2012-02-10 Jan Hubicka <jh@suse.cz>
380 * predict.c (predict_paths_for_bb): Prevent looping.
381 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
383 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
385 * config/arm/arm.c (output_move_double): In one case properly
386 count number of instructions that will be emitted.
388 2012-02-10 Richard Guenther <rguenther@suse.de>
391 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
393 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
396 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
398 2012-02-09 Jakub Jelinek <jakub@redhat.com>
401 * var-tracking.c (emit_note_insn_var_location): If
402 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
403 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
404 non-NOTE_DURING_CALL_P insn.
406 2012-02-09 Bin Cheng <bin.cheng@arm.com>
409 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
411 2012-02-08 Magnus Granberg <zorry@gentoo.org>
414 * gcc.c (switch_matches) Support switches with separated form,
417 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
419 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
422 * config/avr/avr.c (avr_addr_t): New typedef.
423 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
424 (avr_init_expanders): Initialize it.
425 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
427 (expand_epilogue): Ditto.
428 (avr_print_operand): Ditto.
429 (avr_file_start): Ditto.
430 (avr_emit_movmemhi): Ditto.
432 2012-02-08 Richard Guenther <rguenther@suse.de>
434 PR tree-optimization/46886
435 * tree-flow.h (do_while_loop_p): Declare.
436 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
437 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
439 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
441 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
442 always succeed for integers larger than a native word.
444 2012-02-08 Richard Guenther <rguenther@suse.de>
446 PR rtl-optimization/52170
447 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
448 properly handle integer vector modes.
450 2012-02-08 Jakub Jelinek <jakub@redhat.com>
452 PR gcov-profile/52150
453 * coverage.c: Include target.h.
454 (build_var): Call targetm.strip_name_encoding on the assembler name.
455 Change one _ into . or $ if the target allows it.
456 * Makefile.in (coverage.o): Depend on $(TARGET_H).
458 PR rtl-optimization/52139
459 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
460 is a BARRIER after emit_insn_after_noloc, move BB_END
461 to the last non-BARRIER insn before it.
463 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
466 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
467 (mips_gimplify_va_arg_expr): Call it instead of
468 std_gimplify_va_arg_expr.
470 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
472 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
473 message for -mno-pointers-to-nested-function.
475 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
478 * expr.c (get_inner_reference): If there is an offset, add a negative
479 bit position to it (if any).
481 2012-02-07 Jakub Jelinek <jakub@redhat.com>
483 PR rtl-optimization/52060
484 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
485 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
486 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
487 and/or i0src_copy2 when needed.
489 2012-02-07 Jakub Jelinek <jakub@redhat.com>
491 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
492 or LTOPLUGINSONAME if have_c.
494 * config/freebsd-spec.h: Add comment about what macros can be defined
496 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
497 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
500 2012-02-07 Richard Guenther <rguenther@suse.de>
502 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
503 newline in -alias dumps.
505 2012-02-07 Kai Tietz <ktietz@redhat.com>
506 Dave Korn <dave.korn.cygwin@gmail.com>
509 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
510 Take care that typinfo gets dllexport-attribute.
512 2012-02-07 Jakub Jelinek <jakub@redhat.com>
515 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
516 if modifier < EXPAND_SUM call force_operand on the result.
518 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
520 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
521 adding __forwarder_dst__ prefix if a forwarder_section attribute is
523 (epiphany_function_type): Replace types for specific interrupts with
524 EPIPHANY_FUNCTION_INTERRUPT.
525 (EPIPHANY_INTERRUPT_P): Update.
526 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
528 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
529 <disinterrupt>: Affects type identity.
530 (epiphany_handle_interrupt_attribute): Handle variable number of
532 (epiphany_compute_function_type): Update for new
533 epiphany_function_type definition.
534 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
535 handlers with a longcall forwarder.
536 (epiphany_start_function): Handle multiple interrupt arguments and/or
537 forwarder_section attribute.
539 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
542 2012-02-07 Alan Modra <amodra@gmail.com>
545 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
548 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
550 PR tree-optimization/50969
551 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
552 use vec_perm rather than vector_stmt.
553 (vect_model_load_cost): Likewise.
554 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
555 vec_perm to be the same as other vector statements.
556 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
557 cost of vec_perm for TARGET_VSX.
559 2012-02-06 Richard Guenther <rguenther@suse.de>
561 PR tree-optimization/52115
562 * tree-sra.c (access_has_replacements_p): New function.
563 (sra_modify_assign): Use it to decide whether a use is uninitialized.
565 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
568 * trans-mem.c (expand_call_tm): Add an assertion.
569 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
572 2012-02-06 Richard Guenther <rguenther@suse.de>
574 PR tree-optimization/50955
575 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
576 raise cost of expressions that replace an address with an
577 expression based on a different pointer.
579 2012-02-06 Jakub Jelinek <jakub@redhat.com>
582 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
583 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
585 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
588 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
589 -Weffc++ and specify guidelines come from second edition.
591 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
593 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
594 (sibcall_value_multiple_internal, call_split, call_internal_direct)
595 (call_direct_split, call_value_split, call_value_internal_direct)
596 (call_value_direct_split, call_value_multiple_split): Use jal and
597 jal_macro attributes.
599 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
601 * reload1.c (reload_regs_reach_end_p): Replace with...
602 (reload_reg_rtx_reaches_end_p): ...this function.
603 (new_spill_reg_store): Update commentary.
604 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
605 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
606 before setting new_spill_reg_store.
607 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
608 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
609 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
610 for non-spill reload registers.
612 2012-02-05 Ira Rosen <irar@il.ibm.com>
614 PR tree-optimization/52091
615 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
616 (vect_is_simple_use_1): Likewise.
617 * tree-vect-loop.c (vectorizable_reduction): Update calls
618 to vect_is_simple_use_1 and vect_is_simple_use.
619 (vectorizable_live_operation): Likewise.
620 * tree-vect-patterns.c (widened_name_p,
621 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
622 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
623 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
624 vectorizable_shift,vectorizable_operation, vectorizable_store,
625 vectorizable_load): Likewise.
626 (vect_is_simple_cond): Add an argument, pass it to
627 vect_is_simple_use_1.
628 (vectorizable_condition): Update calls to vect_is_simple_cond,
630 (vect_is_simple_use): Add an argument, the statement in which
631 OPERAND is used. Check that if OPERAND's def stmt is a double
632 reduction phi node, the use is a phi node too.
633 (vect_is_simple_use_1): Add an argument, pass it to
635 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
636 to vect_is_simple_use.
638 2012-02-04 Jakub Jelinek <jakub@redhat.com>
640 PR rtl-optimization/52095
641 * modulo-sched.c (dump_insn_locator): New function.
642 (loop_canon_p, sms_schedule): Use it.
644 PR rtl-optimization/52113
645 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
646 even for decomposable shift/zext insns.
648 2012-02-03 Jakub Jelinek <jakub@redhat.com>
649 Zdenek Dvorak <ook@ucw.cz>
651 PR rtl-optimization/52092
652 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
653 on get_iv_value result.
655 2012-02-02 Andrew Pinski <apinski@cavium.com>
659 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
661 2012-02-02 Jakub Jelinek <jakub@redhat.com>
664 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
666 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
668 PR rtl-optimization/49800
669 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
670 (sched_finish): Call regstat_free_n_sets_and_refs.
672 2012-02-02 Jia Liu <proljc@gmail.com>
674 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
677 2012-02-02 Jan Hubicka <jh@suse.cz>
678 Tom de Vries <tom@codesourcery.com>
681 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
682 * varpool.c (varpool_analyze_pending_decls): Likewise.
684 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
685 Jayant R Sonar <jayant.sonar@kpitcummins.com>
687 * config.gcc: Add cr16-* support.
689 * doc/extend.texi: Document cr16 extensions.
690 * doc/install.texi: Document cr16 install.
691 * doc/invoke.texi: Document cr16 options.
692 * doc/md.texi: Document cr16 constraints.
694 * common/config/cr16/cr16-common.c: New file.
695 * config/cr16/cr16.c: New file.
696 * config/cr16/cr16.h: New file.
697 * config/cr16/cr16.md: New file.
698 * config/cr16/cr16.opt: New file.
699 * config/cr16/cr16-protos.h: New file.
700 * config/cr16/predicates.md: New file.
701 * config/cr16/constraints.md: New file.
702 * config/cr16/t-cr16: New file.
704 2012-02-02 Jakub Jelinek <jakub@redhat.com>
707 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
708 that operands[2] is either immediate, or q_regs_operand.
710 PR tree-optimization/52073
711 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
712 a pattern stmt for pattern uses, ignore uses outside of the loop.
714 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
716 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
717 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
718 (OUT_AS1, OUT_AS2): Remove.
720 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
722 PR rtl-optimization/51374
723 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
724 to cross other volatile_refs_p insns.
726 2012-02-01 Richard Guenther <rguenther@suse.de>
728 * doc/invoke.texi (fno-inline): Clarify documentation.
729 (finline-small-functions): Likewise.
730 (finline-functions): Likewise.
731 * common.opt (finline): Adjust comment and documentation.
732 (finline-small-functions): Clarify documentation.
733 (finline-functions): Likewise.
734 (finline-functions-called-once): Likewise.
736 2012-02-01 Tristan Gingold <gingold@adacore.com>
738 * c-typeck.c (composite_type): Keep mode for pointers.
740 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
742 * function.h (regno_reg_rtx): Adjust comment.
743 * reginfo.c (init_reg_modes_target): Only use the previous mode
744 if it fits within one register. Remove MIPS comment.
746 2012-01-31 Jakub Jelinek <jakub@redhat.com>
749 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
751 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
753 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
756 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
758 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
760 2012-01-31 Jakub Jelinek <jakub@redhat.com>
765 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
767 2012-01-31 Richard Guenther <rguenther@suse.de>
769 PR tree-optimization/51528
770 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
773 2012-01-31 Jakub Jelinek <jakub@redhat.com>
778 * ree.c (add_removable_extension): Change def_map argument
779 to unsigned *, store in def_map 1 + offset into *insn_list vector
780 instead of pointers into the vector.
781 (find_removable_extensions): Adjust caller.
783 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
785 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
786 Transform all "* quoted-c-code" to { c-code }.
787 Remove redundant test for "optimize" in combine patterns.
788 Move (include "avr-dimode.md") to end of file.
790 2012-01-30 Bin Cheng <bin.cheng@arm.com>
793 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
794 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
796 2012-01-30 Richard Guenther <rguenther@suse.de>
798 PR tree-optimization/52028
799 * tree-loop-distribution.c (ldist_gen): Properly update
802 2012-01-30 Jakub Jelinek <jakub@redhat.com>
805 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
806 set_cur_line_info_table if not emitting debug info.
808 PR tree-optimization/52046
809 * tree-vect-patterns.c (check_bool_pattern): Give up if
810 a comparison could throw.
813 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
815 2012-01-30 Richard Guenther <rguenther@suse.de>
817 PR tree-optimization/52045
818 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
819 SSA form if cfgcleanup did anything.
821 2012-01-30 Richard Guenther <rguenther@suse.de>
823 PR tree-optimization/52045
824 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
825 before computing final todo.
827 2012-01-30 Richard Guenther <rguenther@suse.de>
829 PR tree-optimization/51528
830 * tree-sra.c (sra_modify_assign): Re-factor in preparation
833 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
835 * df-problems.c (df_kill_notes): Check that the use refers
836 to the note under examination.
838 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
841 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
842 parameter and use short-lived pseudos.
843 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
844 (sparc_expand_vector_init): Const-ify local variables and adjust
845 calls to above functions.
847 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
849 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
851 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
853 * doc/invoke.texi: Make usage of "compile time" and
854 "run time"/"runtime" consistent throughout the file.
856 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
858 * config/alpha/alpha.c (alpha_option_override): Default to
859 full IEEE compliance mode for Go language.
861 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
863 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
864 (LINK_SSP_SPEC): Define.
866 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
869 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
872 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
874 * doc/invoke.texi: Correct hyphenation of "floating point",
875 "double precision", and related terminology throughout the file.
877 2012-01-28 Jakub Jelinek <jakub@redhat.com>
880 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
881 arm_general_register_operand predicate for operand 2 instead of
884 2012-01-27 Ian Lance Taylor <iant@google.com>
887 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
888 * builtins.c (expand_builtin_init_trampoline): Add onstack
889 parameter. Change caller.
890 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
891 * tree.c (build_common_builtin_nodes): Declare
892 __builtin_init_heap_trampoline.
894 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
896 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
897 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
898 * config/avr/avr.c: Ditto.
899 (avr_regnames): Remove because unused.
900 * config/avr/avr.md (*cpse.ne): New peephole.
901 (*cpse.eq): New peephole from former cpse peepholes.
903 2012-01-27 Michael Eager <eager@eagercon.com>
905 * config/microblaze.c (microblaze_emit_compare): Correct
906 test after pcmp instruction.
908 2012-01-27 Richard Guenther <rguenther@suse.de>
910 PR tree-optimization/52020
911 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
913 2012-01-27 Richard Guenther <rguenther@suse.de>
915 * ipa-pure-const.c (check_stmt): Clobbers do not make a
916 function non-const/pure.
918 2012-01-27 Richard Guenther <rguenther@suse.de>
920 PR tree-optimization/50444
921 * tree-sra.c (build_ref_for_offset): Properly adjust the
922 MEM_REF type for unaligned accesses.
924 2012-01-27 Richard Guenther <rguenther@suse.de>
926 PR tree-optimization/50444
927 * expr.c (mem_ref_refers_to_non_mem_p): New function.
928 (expand_assignment): Use it. Properly handle misaligned
929 bases when expanding stores to component references.
930 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
933 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
936 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
937 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
938 * tree-data-ref.c (find_data_references_in_loop): Make static.
939 (compute_all_dependences): Change return type to bool. Bail out
940 for too many datarefs in a loop. Move the hunk resetting the data
941 dependences vector from ...
942 (compute_data_dependences_for_loop): ... here. Account for
943 compute_all_dependences returning false.
944 (compute_data_dependences_for_bb): Likewise.
945 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
946 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
948 2012-01-27 Richard Guenther <rguenther@suse.de>
951 * expr.c (store_field): Use the alias-set of the scratch memory
954 2012-01-27 Tom de Vries <tom@codesourcery.com>
956 PR tree-optimization/51990
957 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
959 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
961 2012-01-27 Jakub Jelinek <jakub@redhat.com>
964 * var-tracking.c (reverse_op): Don't add any reverse operation
965 if V already has any constant locations.
967 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
969 * doc/invoke.texi: Correct usage of "command line" (noun)
970 vs "command-line" (adjective) throughout.
972 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
974 * doc/invoke.texi (Language Independent Options): Move
975 -Wcoverage-mismatch blurb from here....
976 (Warning Options): ...to here.
978 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
980 * config/rs6000/rs6000.c (rs6000_option_override_internal):
981 Set rs6000_always_hint to false for 476.
983 2012-01-27 Matthias Klose <doko@ubuntu.com>
985 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
987 * incpath.c (add_standard_paths): Likewise.
989 2012-01-27 Richard Henderson <rth@redhat.com>
991 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
992 * config/m68k/sync.md (atomic_test_and_set): Rename from
993 sync_test_and_setqi and adjust the operands.
994 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
995 and unconditionally enable.
997 2012-01-27 Richard Henderson <rth@redhat.com>
999 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1000 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1001 (ldstub): Rename from ldstubqi.
1002 (ldstub<I24MODE>): Remove.
1004 2012-01-27 Richard Henderson <rth@redhat.com>
1006 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1007 * c-cppbuiltin.c (cpp_atomic_builtins): Define
1008 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1009 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1010 * doc/tm.texi: Rebuild.
1012 2012-01-27 Richard Henderson <rth@redhat.com>
1014 * optabs.c (gen_atomic_test_and_set): Remove default.
1015 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1017 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1019 PR rtl-optimization/51978
1020 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1021 (combine_reaching_defs): Likewise.
1022 (struct re_info): Remove.
1023 (add_removable_extension): Remove x and data arguments,
1024 add insn, insn_list and def_map. Use the arguments directly
1025 instead of using struct re_info.
1026 (find_removable_extensions): Don't call add_removable_extension
1027 through note_stores, instead just call it with single_set
1029 (find_and_remove_re): Pass curr_cand->expr instead of
1030 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1032 2012-01-26 Michael Matz <matz@suse.de>
1034 PR tree-optimization/46590
1035 * cfgexpand.c: Revert last change (r183305).
1036 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1038 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1039 checking for emptiness.
1041 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1044 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1045 non-addressable non-BLKmode base correctly.
1047 2012-01-26 Michael Matz <matz@suse.de>
1049 PR tree-optimization/48794
1050 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1051 regions referenced from RESX/EH_DISPATCH.
1053 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1055 * config/s390/s390.h: Make BRANCH_COST an option.
1056 * config/s390/s390.opt: New option -mbranch-cost.
1058 2012-01-26 Richard Henderson <rth@redhat.com>
1060 Revert 2012-01-24 change:
1061 * trans-mem.c (requires_barrier): Do not instrument thread local
1062 variables and emit save/restore for them.
1064 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1067 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1070 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
1072 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1075 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
1078 Rename __pgm to __flash.
1079 Rename __pgm1 to __flash1.
1080 Rename __pgm2 to __flash2.
1081 Rename __pgm3 to __flash3.
1082 Rename __pgm4 to __flash4.
1083 Rename __pgm5 to __flash5.
1084 Rename __pgmx to __memx.
1085 * doc/extend.texi (AVR Named Address Spaces)
1086 Rename address space names as indicated above.
1087 * config/avr/avr.c (avr_addrspace): Ditto.
1089 * config/avr/avr-protos.h
1090 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1091 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1092 * config/avr/predicates.md: Ditto.
1093 * config/avr/avr.c Ditto, and
1094 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1095 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1097 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1098 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1099 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1100 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1101 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1102 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1103 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1104 * config/avr/avr.c: Ditto.
1105 * config/avr/avr.md: Ditto.
1107 2012-01-25 Jason Merrill <jason@redhat.com>
1110 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1112 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1114 PR tree-optimization/51987
1115 * tree-data-ref.c (get_references_in_stmt): Handle references in
1116 non-volatile GIMPLE_ASM.
1118 2012-01-25 Richard Guenther <rguenther@suse.de>
1120 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1121 bases are dereferenced.
1123 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1125 PR rtl-optimization/48374
1126 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1128 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1130 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1131 compute_data_dependences_for_loop returns false.
1132 * tree-parloops.c (loop_parallel_p): Likewise.
1134 2012-01-25 Richard Guenther <rguenther@suse.de>
1136 * tree.h (get_pointer_alignment_1): Declare.
1137 * builtins.c (get_pointer_alignment_1): New function.
1138 (get_pointer_alignment): Use it.
1140 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1142 PR rtl-optimization/48308
1143 * combine.c (enum undo_kind): Add UNDO_LINKS.
1144 (struct undo): Add member l to other_contents and where.
1145 (do_SUBST_LINK): New.
1147 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1148 (undo_all): Handle UNDO_LINKS.
1150 2012-01-25 Richard Henderson <rth@redhat.com>
1152 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1155 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1157 * optabs.c (gen_atomic_test_and_set): Use each argument.
1159 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1161 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1162 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1163 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1164 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1165 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1166 TARGET_PAIRED_SINGLE_FLOAT.
1168 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1170 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1171 (in_struct, return_val): Remove MEM documentation.
1172 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1173 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1174 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1176 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1177 * cfgexpand.c (add_alias_set_conflicts): Likewise.
1178 * expr.c (store_field): Likewise.
1179 * function.c (assign_stack_temp_for_type): Likewise.
1180 * ifcvt.c (noce_try_cmove_arith): Likewise.
1181 * reload1.c (reload): Likewise.
1182 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1183 (alpha_set_memflags): Likewise.
1184 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1186 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1188 * rtl.h (true_dependence, canon_true_dependence): Remove varies
1190 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1191 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1192 (true_dependence_1, true_dependence, canon_true_dependence): Remove
1194 * cselib.c (cselib_rtx_varies_p): Delete.
1195 (cselib_invalidate_mem): Update call to canon_true_dependence.
1196 * dse.c (record_store, check_mem_read_rtx): Likewise.
1197 (scan_reads_nospill): Likewise.
1198 * cse.c (check_dependence): Likewise.
1199 (cse_rtx_varies_p): Delete.
1200 * expr.c (safe_from_p): Update call to true_dependence.
1201 * ira.c (validate_equiv_mem_from_store): Likewise.
1202 (memref_referenced_p): Likewise.
1203 * postreload-gcse.c (find_mem_conflicts): Likewise.
1204 * sched-deps.c (sched_analyze_2): Likewise.
1205 * store-motion.c (load_kills_store): Likewise.
1206 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1207 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1208 (compute_transp): Update call to canon_true_dependence.
1210 2012-01-25 Richard Henderson <rth@redhat.com>
1212 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1213 (maybe_emit_atomic_test_and_set): New.
1214 (expand_sync_lock_test_and_set): Use it.
1215 (expand_atomic_test_and_set): Likewise.
1216 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1217 the implementation; clarify implementation defined details.
1218 * doc/md.texi (atomic_test_and_set): Document.
1220 2012-01-25 Richard Henderson <rth@redhat.com>
1222 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1224 2012-01-25 Richard Henderson <rth@redhat.com>
1227 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1228 to effect no-op split.
1230 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1233 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1234 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1235 (BT_FN_VOID_PTR_INT_SIZE): New.
1236 (BT_FN_UINT_UINT_VAR): Remove.
1237 (BT_FN_UINT32_UINT32_VAR): New.
1238 (BT_FN_DOUBLE_VPTR): Remove.
1239 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1241 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1242 (_ITM_changeTransactionMode): Same.
1243 (_ITM_memmoveRtWt): Change return type to void.
1244 (_ITM_memcpyRtWt): Same.
1245 (_ITM_memsetW): Same.
1246 (_ITM_RaRD): Change types to double.
1251 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1253 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1254 Patrick Marlier <patrick.marlier@gmail.com>
1256 * trans-mem.c (requires_barrier): Do not instrument thread local
1257 variables and emit save/restore for them.
1259 2012-01-24 Jason Merrill <jason@redhat.com>
1262 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1263 output static aliases.
1265 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1268 * common.opt (-pie, -shared, pie, shared): Change from Common to
1270 * gcc.c (display_help): Display help for -pie and -shared.
1272 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1275 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1276 Remove note on size/offset limitation.
1277 (AVR Variable Attributes): Add example how to read data located
1278 with progmem. Refer to named address spaces.
1279 * doc/invoke.texi (AVR Options): Fix typo.
1281 2012-01-24 Richard Guenther <rguenther@suse.de>
1283 Forward-port to trunk
1284 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1287 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1288 op0 isn't sufficiently aligned and there is movmisalignM
1289 insn for mode, use it to load op0 into a temporary register.
1291 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1294 * target.def (const_not_ok_for_debug_p): New hook.
1295 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1297 * doc/tm.texi: Regenerated.
1298 * dwarf2out.c (const_ok_for_output_1): If
1299 targetm.const_not_ok_for_debug_p returns true, fail.
1300 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1302 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1304 2012-01-23 Kai Tietz <ktietz@redhat.com>
1307 * config/i386/predicates.md (symbolic_operand): Allow
1308 UNSPEC_PCREL as PIC expression for lea.
1309 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1310 * config/i386/i386.c (ix86_delegitimize_address): Handle
1311 UNSPEC_PCREL for none-MEM, too.
1313 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1315 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1316 (ipa_tm_create_version_alias): Same.
1318 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1321 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1322 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1324 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1325 Patrick Marlier <patrick.marlier@gmail.com>
1326 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1329 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1330 simple_object_start_read.
1332 2012-01-23 Richard Guenther <rguenther@suse.de>
1335 PR tree-optimization/51895
1336 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1337 parameter decomposition into BLKmode components.
1339 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1341 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1342 fake variables for restrict-qualified pointers whose pointed-to type
1343 contains a placeholder.
1345 2012-01-23 Richard Guenther <rguenther@suse.de>
1347 PR tree-optimization/51949
1348 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1350 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1352 PR rtl-optimization/51933
1353 * ree.c (transform_ifelse): Return true right away if dstreg is
1354 already wider or equal to cand->mode.
1355 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1356 (make_defs_and_copies_lists): Remove defs_list and copies_list
1357 arguments, add state argument, just truncate state->work_list
1358 instead of always allocating and freeing the vector. Assert that
1359 get_defs succeeds instead of returning 2. Changed return type to bool.
1360 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1361 have ext_src_mode, see if it has been modified already with the
1362 right kind of extension and has been extended before from the
1363 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1364 just return true. Remember the original mode in state->modified array.
1365 (combine_reaching_defs): Add state argument. Don't allocate and
1366 free here def_list, copied_list and vec vectors, instead just
1367 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1368 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1369 Add state variable, clear vectors in it, initialize state.modified
1370 if needed. Free all the vectors at the end and state.modified too.
1371 Don't skip a candidate if the extension expression has been modified.
1373 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1376 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1377 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1378 (extra_options) interix.opt -> i386/interix.opt"
1379 (extra_objs):Add winnt-stubs.o
1380 * configure.ac: Add interix to target_os .comm on PE check.
1381 * configure: Regenerate.
1382 * config/interix3.h: Delete and move bits to..
1383 * config/interix.h: Delete and move bits to..
1384 * config/i386/i386-interix3.h: Delete and move bits to..
1385 * config/i386/i386-interix.h: ..here.
1386 (TARGET_CPU_DEFAULT): Remove redefinition.
1387 (TARGET_ASM_CONSTRUCTOR): Undefine.
1388 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1389 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1390 (PTRDIFF_TYPE): Define.
1391 (LONG_DOUBLE_TYPE_SIZE): Define.
1392 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1393 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1394 (TARGET_SECTION_TYPE_FLAGS): Define.
1395 (ASM_DECLARE_FUNCTION_NAME): Define.
1396 (ASM_OUTPUT_EXTERNAL): Define.
1397 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1398 (ASM_OUTPUT_ALIGNED_BSS): Define.
1399 (PCC_BITFIELD_TYPE_MATTERS): Define.
1400 (USE_CONST_SECTION): Define.
1401 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1402 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1403 (SUPPORTS_ONE_ONLY): Remove.
1404 (I386_PE_STRIP_ENCODING): Define.
1405 * config/interix.opt: Delete and move bits to..
1406 * config/i386/interix.opt: ..here. New.
1407 (mpe-aligned-commons): Add.
1408 * config/i386/t-interix: Add copyright header.
1409 (winnt-stubs.o): Add rule.
1411 2012-01-22 Jason Merrill <jason@redhat.com>
1414 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1415 for extra name aliases.
1417 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1419 PR rtl-optimization/51924
1420 * ree.c (combine_set_extension): Improve debugging message.
1421 (combine_reaching_defs): Likewise.
1422 (get_defs): Rename confusingly named variable.
1423 (find_and_remove_re): Skip a candidate if the extension expression has
1426 2012-01-21 Robert Millan <rmh@gnu.org>
1427 Gerald Pfeifer <gerald@pfeifer.com>
1429 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1430 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1432 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1434 PR tree-optimization/51914
1435 * tree-vect-stmts.c (vectorizable_conversion): For
1436 cvt_type && modifier == WIDEN, put temporary with cvt_type
1437 at the beginning of vec_dsts and set vec_dest to temporary
1440 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1442 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1444 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1446 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1447 * config/rs6000/rs6000.c: Likewise.
1449 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1452 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1453 output_move_double on a copy of operands array.
1455 2012-01-20 Cary Coutant <ccoutant@google.com>
1456 Dodji Seketeli <dodji@redhat.com>
1459 * dwarf2out.c (copy_declaration_context): Return ref to parent
1460 of declaration DIE, if necessary.
1461 (remove_child_or_replace_with_skeleton): Add new parameter; update
1462 caller. Place skeleton DIE under parent DIE of original declaration.
1463 Move call to copy_declaration_context to here ...
1464 (break_out_comdat_types): ... from here.
1466 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1468 PR rtl-optimization/51856
1469 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1472 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1475 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1476 hints for neon loads and stores.
1478 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1482 * doc/extend.texi (Named Address Spaces): Split into subsections.
1483 (AVR Named Address Spaces): New subsection.
1484 (M32C Named Address Spaces): New subsection.
1485 (RL78 Named Address Spaces): New subsection.
1486 (SPU Named Address Spaces): New subsection.
1487 (Variable Attributes): New anchor "AVR Variable Attributes".
1488 (AVR Variable Attributes): Rewrite and avoid wording
1489 "address space" in this context.
1490 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1491 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1492 (AVR Built-in Macros): New subsubsection therein.
1493 * doc/md.texi (AVR constraints): Remove "C04", "R".
1495 2012-01-20 Richard Guenther <rguenther@suse.de>
1497 PR tree-optimization/51903
1498 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1499 when removing stmts.
1501 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1504 * config/arm/arm.c (arm_load_pic_register): Use
1505 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1506 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1507 (arm_pic_static_addr): Likewise.
1508 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1509 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1510 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1511 (pic_load_addr_unified): New.
1513 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1516 * function.c (instantiate_virtual_regs_in_insn): Use
1517 delete_insn_and_edges when removing a wrong asm insn.
1519 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1521 PR rtl-optimization/40761
1522 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1523 Add new member loop_num.
1524 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1525 (ira_build): Remove the parameter.
1527 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1528 (ira.c): Do not build CFG loops for one region allocation. Remove
1529 argument from ira_build call.
1531 * ira-build.c (init_loop_tree_node): New function.
1532 (create_loop_tree_nodes): Use it. Separate the case when CFG
1533 loops are not built.
1534 (more_one_region_p): Check current_loops.
1535 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1537 (add_loop_to_tree): Process loop equal to NULL too.
1538 (form_loop_tree): Separate the case when CFG loops are not built.
1539 Use explicitly number for the root.
1540 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1542 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1543 instead of loop->num.
1544 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1545 (mark_all_loops_for_removal): Ditto.
1546 (remove_unnecessary_regions): Separate the case when CFG loops
1548 (ira_build): Remove the parameter. Use explicit number of regions
1549 when CFG loops are not built.
1551 * ira-color.c (print_loop_title): Separate the case for the root node.
1552 Use loop_num instead of loop->num.
1553 (move_spill_restore): Use loop_num instead of loop->num.
1555 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1556 (change_loop): Ditto.
1557 (change_loop): Use loop_num instead of loop->num.
1559 * ira-lives.c (process_bb_node_lives): Ditto.
1561 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1563 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1565 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1568 * tree-mudflap.c (mf_artificial): New function.
1569 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1570 mx_register_decls, mudflap_enqueue_decl): Use it.
1573 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1574 numbers in the insn pattern.
1576 2012-01-19 Michael Matz <matz@suse.de>
1578 PR tree-optimization/46590
1579 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1580 use it in remembering which conflicts we already created.
1581 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1584 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1587 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1588 (merge_and_complain): Same.
1590 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1593 * config/initfini-array.h: Guard content of the header
1594 with #ifdef HAVE_INITFINI_ARRAY.
1595 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1596 Add initfini-array.h to tm_file here.
1597 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1598 * config.gcc: Don't add initfini-array.h to tm_file here.
1599 * configure: Regenerated.
1601 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1603 PR rtl-optimization/51505
1604 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1605 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1606 (df_note_bb_compute): Update the call to df_kill_notes.
1608 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1610 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1612 2012-01-18 Richard Guenther <rguenther@suse.de>
1614 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1615 of conversions to void *.
1617 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1618 Richard Sandiford <rdsandiford@googlemail.com>
1622 * optabs.h (simplify_expand_binop): Declare.
1623 * optabs.c (simplify_expand_binop): Make global.
1624 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1625 endian targets if the source cannot be exactly covered by word
1628 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1631 * hard-reg-set.h (struct hard_reg_set_container): New type.
1632 * target.h (struct hard_reg_set_container): Forward declare.
1633 * target.def (set_up_by_prologue): New target hook.
1634 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1635 * doc/tm.texi: Regenerated.
1636 * function.c (thread_prologue_and_epilogue_insns): Change
1637 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1638 Call targetm.set_up_by_prologue on it.
1639 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1640 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1642 2012-01-17 Nick Clifton <nickc@redhat.com>
1644 * config/rx/rx.c (rx_can_use_simple_return): New function.
1645 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1646 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1648 2012-01-17 Richard Guenther <rguenther@suse.de>
1651 * expr.c (expand_assignment): Take address-space information
1652 from the address operand of MEM_REF and TARGET_MEM_REF.
1653 (expand_expr_real_1): Likewise.
1655 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1657 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1658 reload dump is requested.
1660 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1663 * trans-mem.c (requires_barrier): Call may_be_aliased.
1665 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1667 PR tree-optimization/51877
1668 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1669 call arguments and fndecls compare equal, instead return false if they
1670 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1671 both SSA_NAMEs that are valueized the same, or they satisfy
1674 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1676 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1678 * configure: Regenerate.
1680 2012-01-16 Jan Hubicka <jh@suse.cz>
1684 * convert.c (convert_to_integer): Use fold_convert for
1685 converting an INTEGER_CST to integer type.
1687 2012-01-16 Jason Merrill <jason@redhat.com>
1690 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1692 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1695 * config/s390/s390.c (s390_chunkify_start): Don't skip
1696 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1697 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1698 If insn is followed by NOTE_INSN_VAR_LOCATION or
1699 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1700 Don't use location of note insns.
1702 PR tree-optimization/51865
1703 * tree-inline.c (tree_function_versioning): Call remap_decl
1704 on DECL_RESULT whenever it has VOID_TYPE_P type.
1706 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1708 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1709 for calls to locally-binding MIPS16 functions if only the return
1710 type uses float regs.
1712 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1713 Richard Sandiford <rdsandiford@googlemail.com>
1715 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1716 (SYMBOL_32_HIGH): Likewise.
1717 (mips_output_tls_reloc_directive): Declare.
1718 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1719 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1720 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1721 (mips_lo_relocs, mips_hi_relocs): Make extern.
1722 (mips16_stub_function): Move up file.
1723 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1724 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1725 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1726 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1727 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1728 (mips_get_tp): Add MIPS16 support.
1729 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1730 Generalize DTPREL and TPREL handling.
1731 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1732 Add MIPS16 TLS support.
1733 (mips_output_tls_reloc_directive): New function.
1734 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1735 * config/mips/predicates.md (symbolic_operand_with_high)
1736 (tls_reloc_operand): New predicates.
1737 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1738 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1739 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1740 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1741 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1742 (*tls_get_tp_mips16_call_<mode>): Likewise.
1744 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1746 PR rtl-optimization/51821
1747 * recog.c (peep2_find_free_register): Determine clobbered registers
1750 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1753 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1754 * config/avr/avr.c: Likewise.
1755 * config/avr/avr.h: Likewise.
1757 2012-01-13 Ian Lance Taylor <iant@google.com>
1760 * tree.h (TYPE_QUALS): Add cast to int.
1761 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1763 2012-01-13 Ian Lance Taylor <iant@google.com>
1765 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1766 comparing param_index to VEC_length result.
1768 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1770 * c-decl.c: Do not include tree-mudflap.h
1771 * tree-optimize.c: Likewise.
1772 * Makefile.in: Update dependencies.
1774 2012-01-13 Richard Guenther <rguenther@suse.de>
1777 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1778 variable-sized result always use RSO.
1780 2012-01-12 DJ Delorie <dj@redhat.com>
1782 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1783 pointer type, not just the default pointer type.
1785 2012-01-09 Richard Henderson <rth@redhat.com>
1786 Denis Chertykov <chertykov@gmail.com>
1789 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1790 * config/avr/avr.c (avr_can_eliminate): Simplify.
1791 (avr_initial_elimination_offset): Likewise.
1792 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1793 (expand_epilogue): Likewise.
1794 (avr_legitimize_address): Gut.
1795 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1796 (avr_hard_regno_nregs): New.
1797 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1798 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1799 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1800 add soft frame pointer.
1801 (CALL_USED_REGISTERS): Likewise.
1802 (REG_CLASS_CONTENTS): Likewise.
1803 (REGISTER_NAMES): Likewise.
1804 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1805 (HARD_FRAME_POINTER_REGNUM): New.
1806 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1807 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1808 remove the HARD_FRAME_POINTER self-elimination.
1810 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1813 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1814 DECL_EXTERNAL when checking for initializers of progmem variables.
1816 2012-01-12 Ira Rosen <irar@il.ibm.com>
1818 PR tree-optimization/51799
1819 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1820 that the last operation is a type demotion.
1822 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1824 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1825 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1827 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1830 * combine.c (distribute_notes): If i3 is a noreturn call,
1831 allow old_size to be equal to args_size and make sure the
1832 noreturn call gets REG_ARGS_SIZE note.
1833 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1834 on noreturn calls even when the delta is 0.
1836 2012-01-11 Nathan Sidwell <nathan@acm.org>
1838 * gcov.c (STRING_SIZE): Remove.
1839 (generate_results): Erase annotations for source files with no
1840 coverage information.
1842 (output_lines): Use it.
1844 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1846 * gimple.h (gimplify_body): Remove first argument.
1847 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1848 pointer set here, instead just pass DATA to walk_tree.
1849 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1850 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1851 (unvisit_body): Likewise, but with unmark_visited.
1852 (gimplify_body): Remove BODY_P argument and adjust.
1853 (gimplify_function_tree): Adjust call to gimplify_body.
1854 * omp-low.c (finalize_task_copyfn): Likewise.
1856 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1858 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1859 (build_function_type_skip_args): Delete.
1860 * tree.c (build_function_type_skip_args): Make static and add
1861 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1862 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1863 pass it to build_function_type_skip_args.
1864 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1865 (tree_function_versioning): Likewise.
1866 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1867 build_function_decl_skip_args.
1868 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1869 and pass it to build_function_decl_skip_args/tree_function_versioning.
1870 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1871 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1872 * trans-mem.c (ipa_tm_create_version): Likewise.
1873 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1874 * tree-inline.c (declare_return_variable): Remove always-true test.
1875 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1876 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1877 * ipa-split.c (split_function): Skip the return value for the split
1878 part if it doesn't return.
1880 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1882 PR tree-optimization/49642
1883 * ipa-split.c (forbidden_dominators): New variable.
1884 (check_forbidden_calls): New function.
1885 (dominated_by_forbidden): Likewise.
1886 (consider_split): Check for forbidden dominators.
1887 (execute_split_functions): Initialize and free forbidden
1888 dominators info; call check_forbidden_calls.
1890 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1892 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1894 2012-01-11 Nick Clifton <nickc@redhat.com>
1896 * config/rx/rx.md (return): Define pattern.
1898 2012-01-11 Richard Guenther <rguenther@suse.de>
1900 * doc/extend.texi (malloc attribute): Adjust according to
1903 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1904 Patrick Marlier <patrick.marlier@gmail.com>
1907 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1908 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1909 (ipa_tm_note_irrevocable): Same.
1910 (ipa_tm_scan_irr_block): Same.
1911 (ipa_tm_decrement_clone_counts): Same.
1912 (ipa_tm_scan_irr_function): Same.
1913 (ipa_tm_create_version_alias): Same.
1914 (ipa_tm_create_version): Same.
1915 (ipa_tm_transform_calls_redirect): Same.
1916 (ipa_tm_transform_calls): Same.
1917 (ipa_tm_transform_transaction): Same.
1918 (ipa_tm_execute): Same.
1920 2012-01-10 Richard Guenther <rguenther@suse.de>
1923 * opts.c (common_handle_option): Handle -Werror.
1925 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1927 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1930 2012-01-10 Jason Merrill <jason@redhat.com>
1932 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1935 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1937 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1938 supports R_386_TLS_GD_PLT reloc.
1939 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1940 supports R_386_TLS_LDM_PLT reloc.
1941 * configure: Regenerate.
1942 * config.in: Regenerate.
1944 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1947 Extend __pgmx semantics to linearize memory.
1948 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1949 determine if code comes inline or from libgcc.
1950 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1951 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1952 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1953 (movmemx_qi, movmemx_hi): New insns.
1954 (xload_<mode>_libgcc): Rewrite to new insn condition.
1955 (xload_<mode>): Remove insns.
1956 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1957 cases that don't satisfy avr_xload_libgcc_p().
1958 (avr_addr_space_convert): Allow converting in any direction.
1959 (avr_addr_space_subset_p): Return always true.
1960 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1961 (avr_emit_movmemhi): Ditto.
1962 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1963 (avr_out_movmem): Ditto.
1964 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1965 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1966 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1967 (avr_encode_section_info): Encode 'progmem' in symbol flags.
1968 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1970 2012-01-10 Richard Guenther <rguenther@suse.de>
1972 PR tree-optimization/50913
1973 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1974 Require data-refs to be representable by Graphite with respect
1977 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
1979 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1980 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1982 2012-01-10 Tom de Vries <tom@codesourcery.com>
1984 PR rtl-optimization/51271
1985 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1986 handling annulled branch.
1988 2012-01-10 Richard Henderson <rth@redhat.com>
1990 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1991 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1992 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1993 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1994 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1995 arm_expand_vec_perm_const): New.
1996 * config/arm/arm-protos.h: Update.
1997 * config/arm/neon.md (UNSPEC_VCONCAT): New.
1998 (*neon_vswp<VDQX>): New.
1999 (neon_vcombine<VDX>): Use neon_split_vcombine.
2000 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2001 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2002 (vec_perm<VE>): New.
2004 2012-01-10 Richard Henderson <rth@redhat.com>
2006 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2007 use it if reload_completed.
2008 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2009 arm_output_asm_insn, arm_process_output_memory_barrier,
2010 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2011 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2012 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2013 arm_process_output_sync_insn, arm_output_sync_insn,
2014 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2015 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2016 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2017 (emit_unlikely_jump): New.
2018 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2019 (arm_split_atomic_op): New.
2020 * config/arm/arm-protos.h: Update.
2021 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2022 (struct arm_sync_generator): Remove.
2023 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2024 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2025 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2026 (VUNSPEC_LL, VUNSPEC_SC): New.
2027 (sync_result, sync_memory, sync_required_value, sync_new_value,
2028 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2029 (attr length): Don't use arm_sync_loop_insns.
2030 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2031 (movsfcc, movdfcc): Likewise.
2032 * config/arm/constraints.md (Ua): New.
2033 * config/arm/prediates.md (mem_noofs_operand): New.
2034 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2035 (sync_clobber, sync_t2_reqd): Remove.
2036 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2037 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2038 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2039 (arm_sync_compare_and_swap<SIDI>): Remove.
2040 (arm_sync_compare_and_swap<NARROW>): Remove.
2041 (arm_sync_lock_test_and_set<SIDI>): Remove.
2042 (arm_sync_lock_test_and_set<NARROW>): Remove.
2043 (arm_sync_new_<syncop><SIDI>): Remove.
2044 (arm_sync_new_<syncop><NARROW>): Remove.
2045 (arm_sync_new_nand<SIDI>): Remove.
2046 (arm_sync_new_nand<NARROW>): Remove.
2047 (arm_sync_old_<syncop><SIDI>): Remove.
2048 (arm_sync_old_<syncop><NARROW>): Remove.
2049 (arm_sync_old_nand<SIDI>): Remove.
2050 (arm_sync_old_nand<NARROW>): Remove.
2051 (*memory_barrier): Merge arm_output_memory_barrier.
2052 (atomic_compare_and_swap<QHSD>): New.
2053 (atomic_compare_and_swap<NARROW>_1): New.
2054 (atomic_compare_and_swap<SIDI>_1): New.
2055 (atomic_exchange<QHSD>): New.
2056 (cas_cmp_operand, cas_cmp_str): New.
2057 (atomic_op_operand, atomic_op_str): New.
2058 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2059 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2060 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2061 (arm_load_exclusive<NARROW>): New.
2062 (arm_load_exclusivesi, arm_load_exclusivedi): New.
2063 (arm_store_exclusive<QHSD>): New.
2065 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2067 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2068 reload patterns if -mvsx-scalar-memory.
2070 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2071 generated, even -mno-vsx-scalar-double was used.
2072 (vsx_xscvdpsp_scalar): Likewise.
2073 (vsx_xscvspdp_scalar2): Likewise.
2075 2012-01-09 Tom de Vries <tom@codesourcery.com>
2076 Andrew Pinski <apinski@cavium.com>
2079 * reorg.c (fill_slots_from_thread): Don't speculate
2080 frame-related insns.
2082 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
2084 * sched-int.h (bb_note): Move to...
2085 * basic-block.h: ...here.
2086 * haifa-sched.c (bb_note): Move to...
2087 * cfgrtl.c: ...here.
2088 * function.c (next_block_for_reg): New function.
2089 (move_insn_for_shrink_wrap): Likewise.
2090 (prepare_shrink_wrap): Rewrite to use the above.
2092 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
2094 * gimple.c (is_gimple_non_addressable): Remove.
2095 * gimple.h: Remove is_gimple_non_addressable.
2096 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2097 is_gimple_non_addressable.
2098 * trans-mem.c (expand_assign_tm): Same.
2100 2012-01-09 Richard Guenther <rguenther@suse.de>
2102 PR tree-optimization/51775
2103 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2104 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2106 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2108 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2110 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2112 2012-01-09 Richard Guenther <rguenther@suse.de>
2114 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2116 2012-01-08 Jan Hubicka <jh@suse.cz>
2118 PR tree-optimize/51680
2119 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2120 on when known_vals needs to be computed; cleanup.
2122 2012-01-08 Jan Hubicka <jh@suse.cz>
2124 PR tree-optimize/51694
2125 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2127 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
2129 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2130 for -std=c++98 and -std=c++11 too.
2132 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
2134 * cfgloop.c (cancel_loop): Add free() of bbs array.
2136 2012-01-07 Jan Hubicka <jh@suse.cz>
2138 PR tree-optimization/51600
2139 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2140 that benefits small functions.
2142 2012-01-07 Jan Hubicka <jh@suse.cz>
2144 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2146 2012-01-07 Jan Hubicka <jh@suse.cz>
2148 PR tree-optimization/51680
2149 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2150 whose inlining reduce unit size.
2152 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2155 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2156 Add canonical node to containing_mem chain after the non-canonical
2157 one, even if there weren't any locs to propagate.
2158 (remove_useless_values): Keep only canonical values.
2159 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2160 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2161 canonicalize mem_chain elements that are not discarded.
2163 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2166 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2167 before emitting functions.
2169 PR gcov-profile/50127
2170 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2171 clear_aux_for_blocks.
2173 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
2176 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2178 2012-01-06 Arnaud Charlet <charlet@adacore.com>
2180 * c-decl.c (ext_block): Moved up.
2181 (collect_all_refs, for_each_global_decl): Take ext_block into account.
2183 2012-01-06 Han Shen <shenhan@google.com>
2185 Translate built-in include paths for sysroot.
2186 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2187 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2189 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2190 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2192 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2193 control whether sysroot should be prepended to gxx include dir.
2195 * configure: Regenerate.
2197 2012-01-06 Torvald Riegel <triegel@redhat.com>
2199 PR rtl-optimization/51771
2200 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2201 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2203 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2205 PR tree-optimization/51315
2206 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2207 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2209 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
2212 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2213 for shrp pattern. Correctly handle and fixup shift variable.
2214 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2216 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2219 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2220 note when !ACCUMULATE_OUTGOING_ARGS.
2222 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2224 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2226 (extract_range_from_unary_expr_1): Avoid useless computations.
2228 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2230 PR rtl-optimization/51767
2231 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2232 of jump_block and add an extra edge for degenerated asm gotos.
2235 * stmt.c (check_unique_operand_names): Don't ICE during error
2236 reporting if i is from labels chain.
2239 * profile.c (branch_prob): Split bbs that have exit edge
2240 and need a fake entry edge too.
2242 2012-01-05 Jan Hubicka <jh@suse.cz>
2245 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2248 2012-01-05 Richard Guenther <rguenther@suse.de>
2251 * tree-streamer-out.c (write_ts_optimization): New function.
2252 (streamer_write_tree_body): Call it.
2253 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2254 (streamer_read_tree_body): Call it.
2255 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2257 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2260 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2261 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2262 in_cleanup_point_expr before gimplify_stmt call and restore it
2264 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2265 in_cleanup_point_expr is false.
2267 2012-01-05 Richard Guenther <rguenther@suse.de>
2270 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2272 * toplev.c (process_options): Reject combining mudflap and LTO.
2273 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2275 2012-01-05 Richard Guenther <rguenther@suse.de>
2277 PR tree-optimization/51760
2278 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2280 (bit_value_unop): Handle UNDEFINED operands.
2281 (bit_value_binop): Likewise.
2283 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2285 * config/avr/avr.c (avr_replace_prefix): Remove.
2286 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2287 (avr_asm_function_rodata_section): Ditto.
2288 (avr_asm_select_section): Ditto.
2290 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2292 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2295 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2298 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2299 calls that have any non-fake successor edges.
2302 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2304 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2306 PR tree-optimization/51624
2307 * tree-sra.c (build_ref_for_model): When replicating a chain of
2308 COMPONENT_REFs, stop as soon as the offset would become negative.
2310 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2313 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2314 in .debug_loc on the floor.
2316 2012-01-04 Andrew Pinski <apinski@cavium.com>
2318 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2320 2012-01-04 Andrew Pinski <apinski@cavium.com>
2321 Adam Nemet <anemet@caviumnetworks.com>
2323 * config/mips/mips.md (size): Add SI and DI.
2324 (SIZE): New mode attribute.
2325 (U): New code attribute.
2326 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2327 (mips_lbux_<mode>): Delete.
2328 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2329 (mips_lhx): Use gen_mips_lhx_extsi.
2330 (mips_lhx_<mode>): Delete.
2332 (mips_l<size>x): New expand.
2333 (mips_lwx_<mode>): Delete.
2334 (mips_l<GPR:size>x_<P:mode>): New pattern.
2335 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2336 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2337 * config/mips/mips.c (mips_lx_address_p): New function.
2338 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2339 (dsp64): New availability predicate.
2340 (mips_builtins): Add an entry for __builtin_mips_ldx.
2341 * config/mips/mips.h (ISA_HAS_LBX): New define.
2342 (ISA_HAS_LBUX): Likewise.
2343 (ISA_HAS_LHX): Likewise.
2344 (ISA_HAS_LHUX): Likewise.
2345 (ISA_HAS_LWX): Likewise.
2346 (ISA_HAS_LWUX): Likewise.
2347 (ISA_HAS_LDX): Likewise.
2348 * doc/extend.texi (__builtin_mips_ldx): Document.
2350 2012-01-04 Tristan Gingold <gingold@adacore.com>
2352 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2353 when long pointers are used.
2354 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2355 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2356 (ia64-hp-*vms*): Remove.
2357 * config/vms/xm-vms64.h: Delete.
2359 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2362 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2364 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2366 * opts.c (finish_options): Remove duplicate sorry.
2368 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2371 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2374 2012-01-04 Richard Guenther <rguenther@suse.de>
2377 * tree.c (size_low_cst): New function.
2378 * tree.h (size_low_cst): Declare.
2379 * fold-const.c (fold_comparison): Use it to extract the low
2380 part of the POINTER_PLUS_EXPR offset.
2382 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2384 Fix clearing ZERO_REG
2385 * config/avr/avr.md (cc): Add alternative "ldi".
2386 (movqi_insn): Use it in cc attribute.
2387 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2388 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2389 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2391 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2393 * configure: Regenerate.
2395 2012-01-04 Richard Guenther <rguenther@suse.de>
2397 PR tree-optimization/49651
2398 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2399 (var_can_have_subvars): Use it.
2400 (get_constraint_for_1): Only consider subfields if there can be any.
2402 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2405 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2406 to its new canonical_cselib_val and the cselib_val was in
2407 first_containing_mem chain, but the canonical_cselib_val was not,
2408 add the latter into the chain.
2409 (cselib_invalidate_mem): Compare canonical_cselib_val of
2410 addr_list chain elt with v.
2413 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2414 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2416 (output_macinfo_op): Don't ggc_strdup fd->filename.
2417 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2418 then ggc_strdup it. Don't free inc->info or cur->info.
2419 (output_macinfo): Don't free ref->info or file->info.
2421 2012-01-03 Ira Rosen <irar@il.ibm.com>
2423 PR tree-optimization/51269
2424 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2425 first_niters a pointer.
2426 (slpeel_tree_peel_loop_to_edge): Likewise.
2427 (vect_do_peeling_for_loop_bound): Update call to
2428 slpeel_tree_peel_loop_to_edge.
2429 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2430 here. Remove it from the parameters list.
2431 (vect_do_peeling_for_alignment): Update calls and compute
2434 2012-01-03 Richard Guenther <rguenther@suse.de>
2436 PR tree-optimization/51070
2437 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2438 Properly handle calls.
2440 2012-01-03 Richard Guenther <rguenther@suse.de>
2442 PR tree-optimization/51692
2443 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2444 the LHS of allocation stmts.
2446 2012-01-03 Olivier Hainque <hainque@adacore.com>
2448 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2450 2012-01-03 Olivier Hainque <hainque@adacore.com>
2452 * collect2.c (main): In AIX specific computations for vector
2453 insertions, use CONST_CAST2 to cast from char ** to const char **.
2455 2012-01-03 Richard Guenther <rguenther@suse.de>
2458 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2459 the context of a limbo DIE when it does not already exist.
2461 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2463 PR tree-optimization/51719
2464 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2465 but direct call is, clear direct call's lhs and don't add fallthrough
2466 edge from dcall_bb to join_bb and PHIs.
2468 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2470 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2471 the instructions emitted by the pattern.
2472 ("*TDC_insn_<mode>"): Add comment.
2474 2012-01-03 Richard Guenther <rguenther@suse.de>
2477 * fold-const.c (fold_comparison): Properly canonicalize
2478 tree offset and HOST_WIDE_INT bit position.
2480 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2482 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2483 operands for extzv pattern.
2485 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2488 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2491 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2493 * doc/invoke.texi (-flto and related options): Copy-edit.
2495 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2497 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2499 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2501 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2504 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2506 * expr.h (move_by_pieces_ninsns): Declare.
2507 * expr.c (move_by_pieces_ninsns): Make external.
2508 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2509 (mips_store_by_pieces_p): Likewise.
2510 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2511 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2512 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2513 (mips_store_by_pieces_p): Likewise.
2515 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2517 * passes.c (register_one_dump_file): Free full_name.
2519 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2520 (calculate_elim_costs_all_insns): Free offsets_at and
2521 offsets_known_at at the end and clear the pointers.
2523 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2525 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2526 this option introduced in r180739.
2528 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2531 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2532 (tmake_file target=avr): Add avr/t-multilib.
2534 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2535 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2536 * config/avr/genmultilib.awk: New file.
2537 * config/avr/t-multilib: New auto-generated file.
2538 * config/avr/multilib.h: New auto-generated file.
2539 * config/avr/t-avr (AVR_MCUS): New variable.
2540 (genopt.sh): Use it.
2541 (s-mlib): Depend on t-multilib.
2542 (t-multilib, multilib.h): New dependencies.
2543 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2544 (MULTILIB_OPTIONS): Remove.
2545 (MULTILIB_MATCHES): Remove.
2546 (MULTILIB_DIRNAMES): Remove.
2547 (MULTILIB_EXCEPTIONS): Remove:
2548 * config/avr/genopt.sh: Don't use hard coded file name;
2549 pass AVR_MCUS from t-avr instead.
2551 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2553 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2555 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2557 Implement light-weight DImode support.
2558 * config/avr/avr-dimode.md: New file.
2559 * config/avr/avr.md: Include it.
2560 (adjust_len): Add plus64, compare64.
2561 (HIDI): Remove code iterator.
2562 (code_stdname): New code attribute.
2563 (rotx, rotsmode): Remove DI.
2564 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2566 * config/avr/avr-protos.h (avr_have_dimode): New.
2567 (avr_out_plus64, avr_out_compare64): New.
2568 * config/avr/avr.c (avr_out_compare): Handle DImode.
2569 (avr_have_dimode): New variable definition and initialization.
2570 (avr_out_compare64, avr_out_plus64): New functions.
2571 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2572 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2573 (avr_compare_pattern): Skip DImode comparisons.
2575 2012-01-02 Revital Eres <revital.eres@linaro.org>
2577 * ddg.c (def_has_ccmode_p): New function.
2578 (add_cross_iteration_register_deps,
2579 create_ddg_dep_from_intra_loop_link): Call it.
2581 2012-01-02 Richard Guenther <rguenther@suse.de>
2584 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2586 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2588 * gcc.c (process_command): Update copyright notice dates.
2589 * gcov.c (print_version): Likewise.
2590 * gcov-dump.c (print_version): Likewise.
2591 * mips-tfile.c (main): Likewise.
2592 * mips-tdump.c (main): Likewise.
2594 2012-01-01 Ira Rosen <irar@il.ibm.com>
2596 PR tree-optimization/51704
2597 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2598 a use is inside the basic block or loop before accessing its vect info.
2600 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2602 PR rtl-optimization/51069
2603 * cfgloopmanip.c (remove_path): Removing path making irreducible
2604 region unconditional makes BB part of the region.
2606 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2608 PR tree-optimization/51683
2609 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2610 calls with side-effects.
2611 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2613 Copyright (C) 2012 Free Software Foundation, Inc.
2615 Copying and distribution of this file, with or without modification,
2616 are permitted in any medium without royalty provided the copyright
2617 notice and this notice are preserved.