1 2009-03-28 Jan Hubicka <jh@suse.cz>
3 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
4 cgraph_clone_node): Remove master clone handling.
5 (cgraph_is_master_clone, cgraph_master_clone): Remove.
6 * cgraph.h (master_clone): Remove.
7 (cgraph_is_master_clone, cgraph_master_clone): Remove.
8 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
9 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
11 2009-03-28 Jan Hubicka <jh@suse.cz>
13 * cgraph.c (cgraph_function_body_availability): Functions declared
14 inline are always safe to assume that it is not going to be replaced.
16 2009-03-28 Richard Guenther <rguenther@suse.de>
18 PR tree-optimization/38513
19 * tree-ssa-pre.c (eliminate): Remove redundant stores.
20 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
21 EXC_PTR_EXPR and FILTER_EXPR.
22 (get_ref_from_reference_ops): Likewise.
24 2009-03-28 Richard Guenther <rguenther@suse.de>
26 PR tree-optimization/38968
27 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
28 Use FLOOR_MOD_EXPR to compute misalignment.
30 2009-03-28 Richard Guenther <rguenther@suse.de>
32 PR tree-optimization/37795
33 * tree.h (combine_comparisons): Declare.
34 * fold-const.c (combine_comparisons): Export.
35 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
37 (ifcombine_iforif): Use combine_comparisons.
39 2009-03-28 Jan Hubicka <jh@suse.cz>
41 * tree-eh.c (inlinable_call_p): New function.
42 (make_eh_edges): Use it.
43 (verify_eh_edges): Use it.
44 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
45 * except.c (reachable_next_level): Add inlinable_function argument
46 (sjlj_find_directly_reachable_regions): Update.
47 (add_reachable_handler): Do not set saw_any_handlers.
48 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
49 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
50 Add new inlinable call parameter.
51 (can_throw_internal, can_throw_external): Update.
52 * except.h (can_throw_internal_1, can_throw_external_1,
53 foreach_reachable_handler): Update declaration.
55 2009-03-28 Joseph Myers <joseph@codesourcery.com>
57 * config/arm/t-arm-coff, config/h8300/coff.h,
58 config/i386/i386-aout.h, config/i386/i386-coff.h,
59 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
60 config/pdp11/2bsd.h, config/rs6000/aix41.h,
61 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
62 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
63 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
65 * Makefile.in: Remove protoize and fixproto support and references
67 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
68 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
70 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
71 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
73 (rest.encap): Don't depend on $(STMP_FIXPROTO)
74 (.PHONY): Don't depend on proto.
75 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
76 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
77 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
78 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
79 build/gen-protos.o, build/scan.o, xsys-protos.h,
80 build/fix-header$(build_exeext), build/fix-header.o,
81 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
82 stmp-install-fixproto): Remove.
83 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
84 SYSCALLS.c or fixproto files.
85 (install-common): Don't install protoize.
86 (install-headers-tar, install-headers-cpio, install-headers-cp):
87 Don't depend on $(STMP_FIXPROTO).
88 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
89 install fixproto files or write out fixproto settings.
90 (uninstall): Don't uninstall protoize.
91 * config.gcc (use_fixproto): Remove.
92 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
93 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
94 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
95 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
96 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
97 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
98 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
99 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
100 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
101 * config/t-vxworks (STMP_FIXPROTO): Remove.
102 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
103 STMP_FIXPROTO): Remove.
104 * config.in, configure: Regenerate.
105 * crtstuff.c (gid_t, uid_t): Don't undefine.
106 * doc/install.texi: Change m68k-coff to m68k-elf in example.
107 (arm-*-coff, arm-*-aout: Remove target entries.
108 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
109 Remove mention of AIX 4.1.
110 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
111 * doc/invoke.texi (Running Protoize): Remove.
112 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
113 (Protoize Caveats): Remove.
114 * tsystem.h: Update comments on headers assumed to exist.
116 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
118 * genautomata.c: Add a new year to the copyright. Add a new
120 (struct insn_reserv_decl): Add comments for member bypass_list.
121 (find_bypass): Remove.
122 (insert_bypass): New.
123 (process_decls): Use insert_bypass.
124 (output_internal_insn_latency_func): Output all bypasses with the
125 same input insn in one switch case.
127 * rtl.def (define_bypass): Describe bypass choice.
128 * doc/md.texi (define_bypass): Ditto.
130 2009-03-27 Richard Guenther <rguenther@suse.de>
132 * gimplify.c (mark_addressable): Export.
133 * tree-flow.h (mark_addressable): Declare.
134 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
135 * tree-ssa.c (verify_phi_args): Verify that address taken
136 variables have TREE_ADDRESSABLE set.
138 2009-03-27 Richard Guenther <rguenther@suse.de>
140 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
141 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
142 Do not mark decls TREE_ADDRESSABLE.
143 (build_fold_addr_expr): Adjust.
144 (fold_addr_expr): Remove.
145 (fold_unary): Use build_fold_addr_expr.
146 (fold_comparison): Likewise.
147 (split_address_to_core_and_offset): Likewise.
148 * coverage.c (tree_coverage_counter_addr): Mark the array decl
150 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
151 (gimplify_modify_expr_to_memcpy): Mark source and destination
153 * omp-low.c (create_omp_child_function): Mark the object decl
155 (lower_rec_input_clauses): Mark the var we take the address of
157 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
159 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
162 * cfgexpand.c (expand_one_stack_var_at): Change alignment
163 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
165 2009-03-27 Richard Guenther <rguenther@suse.de>
167 PR tree-optimization/39120
168 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
170 (handle_lhs_call): Process return constraints. Add escape
171 constraints if necessary.
172 (handle_const_call): Fill out return constraints. Make nested
173 case more precise. Avoid consttmp if possible.
174 (handle_pure_call): Fill out return constraints. Avoid
175 callused if possible.
176 (find_func_aliases): Simplify call handling.
178 2009-03-27 Richard Guenther <rguenther@suse.de>
180 PR tree-optimization/39120
181 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
183 (solve_graph): Do propagate CALLUSED.
184 (handle_pure_call): Use a scalar constraint from CALLUSED for
186 (find_what_p_points_to): CALLUSED shall not appear in poins-to
189 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
192 * c-common.c (handle_aligned_attribute): Properly check alignment
193 overflow. Use (1U << i) instead of (1 << i).
195 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for
198 * expr.h (get_mem_align_offset): Updated.
200 * tree.h (tree_decl_common): Change align to "unsigned int" and
201 move it before pointer_alias_set.
203 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
204 Jakub Jelinek <jakub@redhat.com>
207 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
208 gr_register_operand with gr_reg_or_0_operand.
209 (cmpxchg_rel_di): Likewise.
210 (sync_lock_test_and_set<mode>): Likewise.
212 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
214 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
215 (true_regnum): Likewise.
217 * rtlanal.c (subreg_info): Moved to ...
218 * rtl.h (subreg_info): Here. New.
219 (subreg_get_info): New.
221 * rtlanal.c (subreg_get_info): Make it extern.
223 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
226 * config/i386/i386.c (ix86_abi): New.
227 (override_options): Handle -mabi=.
228 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with
230 (ix86_call_abi_override): Likewise.
231 (init_cumulative_args): Likewise.
232 (function_arg_advance): Likewise.
233 (function_arg_64): Likewise.
234 (function_arg): Likewise.
235 (ix86_pass_by_reference): Likewise.
236 (ix86_function_value_regno_p): Likewise.
237 (ix86_build_builtin_va_list_abi): Likewise.
238 (setup_incoming_varargs_64): Likewise.
239 (is_va_list_char_pointer): Likewise.
240 (ix86_init_machine_status): Likewise.
241 (ix86_reg_parm_stack_space): Use enum calling_abi on
243 (ix86_function_type_abi): Return enum calling_abi. Rewrite
244 for 64bit. Replace DEFAULT_ABI with ix86_abi.
245 (ix86_function_abi): Make it static and return enum
247 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
249 (ix86_fn_abi_va_list): Updated.
251 * config/i386/i386.h (ix86_abi): New.
252 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
253 (CONDITIONAL_REGISTER_USAGE): Likewise.
254 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
255 (machine_function): Likewise.
257 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
259 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
260 (STACK_BOUNDARY): Likewise.
261 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
263 * config/i386/i386.opt (mabi=): New.
265 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
266 return enum calling_abi.
267 (ix86_function_type_abi): Likewise.
268 (ix86_function_abi): Removed.
270 * doc/invoke.texi: Document -mabi= option for x86.
272 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
274 * builtins.c (real_dconstp): Delete.
275 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
277 2009-03-27 Dodji Seketeli <dodji@redhat.com>
278 Jakub Jelinek <jakub@redhat.com>
281 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
282 (gen_subprogram_die): When a function is explicit, generate the
283 DW_AT_explicit attribute.
284 * langhooks.h (struct lang_hooks_for_decls): Add
285 function_decl_explicit_p langhook.
286 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
287 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
289 2009-03-27 Jakub Jelinek <jakub@redhat.com>
291 * builtins.c (fold_builtin_memory_op): Optimize memmove
292 into memcpy if we can prove source and destination don't overlap.
294 * tree-inline.c: Include gt-tree-inline.h.
295 (clone_fn_id_num): New variable.
296 (clone_function_name): New function.
297 (tree_function_versioning): Use it.
298 * Makefile.in (GTFILES): Add tree-inline.c.
300 2009-03-27 Mark Mitchell <mark@codesourcery.com>
302 * BASE-VER: Change to 4.5.0.
304 2009-03-27 Xinliang David Li <davidxl@google.com>
306 PR tree-optimization/39557
307 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
309 2009-03-27 Xinliang David Li <davidxl@google.com>
311 PR tree-optimization/39548
312 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
315 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
317 * c-common.c (pointer_int_sum): Use %wd on return from
320 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
322 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
323 on return from tree_low_cst.
325 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
328 * ginclude/stdarg.h (va_copy): Define also for __GXX_EXPERIMENTAL_CXX0X__.
330 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
333 * builtins.h (c_strlen): Do not warn here.
334 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
335 * c-common.c (pointer_int_sum): Take an explicit location.
336 Warn about offsets out of bounds.
337 * c-common.h (pointer_int_sum): Adjust declaration.
339 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
341 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
344 2009-03-26 Jakub Jelinek <jakub@redhat.com>
347 * opts.c (warn_if_disallowed_function_p): Don't assume
348 get_callee_fndecl must return non-NULL.
350 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
352 PR rtl-optimization/39522
353 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
354 when reg_reloaded_valid is set.
356 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
358 * config/spu/divv2df3.c: New file.
359 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
360 (DPBIT_FUNCS): Filter out _div_df.
362 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
364 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
365 a jump insn, count that jump in the distance to the loop start.
367 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
370 * config/sh/sh.c (calc_live_regs): Fix condition for global
371 registers except PIC_OFFSET_TABLE_REGNUM.
373 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
376 * doc/invoke.texi (-mconsole): New.
380 (-mnop-fun-dllimport): New.
384 (sub section "i386 and x86-64 Windows Options"): New.
386 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
388 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
389 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
391 2009-03-25 Richard Guenther <rguenther@suse.de>
394 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
397 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
399 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
400 neither of haifa/selective schedulers are working.
402 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
404 * doc/invoke.texi (Debugging Options): Fix description of
405 -fno-merge-debug-strings.
407 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
409 * config/cris/libgcc.ver: New version-script.
410 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
412 * configure.ac <GAS features, nop mnemonic>: Add pattern
413 crisv32-*-* for "nop".
414 <GAS features, Thread-local storage>: Add item for CRIS and
416 * configure: Regenerate.
418 2009-03-24 Ira Rosen <irar@il.ibm.com>
420 PR tree-optimization/39529
421 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
422 mark_sym_for_renaming for the tag copied to the new vector
425 2009-03-24 Arthur Loiret <aloiret@debian.org>
427 * config.host (alpha*-*-linux*): Use driver-alpha.o and
429 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
430 EXTRA_SPEC_FUNCTIONS.
431 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
432 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
433 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
434 -march and -mtune options.
436 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
438 * config/m68k/t-rtems: Add m5329 multilib.
440 2009-03-24 Dodji Seketeli <dodji@redhat.com>
441 Jakub Jelinek <jakub@redhat.com>
444 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
447 2009-03-23 Jakub Jelinek <jakub@redhat.com>
450 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
451 instead of c_parser_expression_conv, if original_code isn't one of the
452 4 allowed comparison codes, fail.
454 2009-03-23 Richard Guenther <rguenther@suse.de>
456 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
457 * tree.h (struct tree_type): Likewise.
458 * reload.h (struct insn_chain): Likewise.
459 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
460 * function.h (struct function): Likewise.
461 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
463 2009-03-23 Jakub Jelinek <jakub@redhat.com>
465 PR tree-optimization/39516
466 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
468 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
470 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
471 should be set true if BITS_PER_WORD of target is bigger than 32
473 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
475 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
476 Translate -B-options to -rpath-link. Correct existing
477 rpath-link and conditionalize on !nostdlib.
479 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
481 * doc/extend.texi (Function Attributes, Variable Attributes):
483 * doc/invoke.texi (Debugging Options, Optimize Options)
484 (i386 and x86-64 Options, MCore Options): Likewise.
486 2009-03-20 Jakub Jelinek <jakub@redhat.com>
489 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
490 it for block local namespace aliases.
491 (gen_decl_die): Pass context_die to gen_namespace_die.
493 2009-03-19 Jakub Jelinek <jakub@redhat.com>
496 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
497 minimum or maximum value.
499 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
501 * reginfo.c (globalize_reg): Recompute derived reg sets.
503 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
506 * libgcc2.c (mprotect): Do not use signed arguments for
507 VirtualProtect, use DWORD arguments. Also fix the 'may
508 be used uninitialized' warning for the np variable.
510 2009-03-19 Jakub Jelinek <jakub@redhat.com>
513 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
514 functions using regparm calling conventions when not optimizing.
515 (ix86_function_sseregparm): Similarly for sseregparm calling
518 2009-03-19 Li Feng <nemokingdom@gmail.com>
521 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
522 dependence if the first conflict is after niter iterations.
524 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
527 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
528 functions with dynamic stack-pointer adjustments.
530 2009-03-19 Ben Elliston <bje@au.ibm.com>
532 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
533 option; change to -msdata=data.
535 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
537 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
540 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
543 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
545 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
547 * doc/invoke.texi (Code Gen Options): Expand discussion of
550 2009-03-18 Jakub Jelinek <jakub@redhat.com>
552 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
553 * matrix-reorg.c (struct matrix_info): Likewise.
554 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
555 * rtl.h (struct mem_attrs): Likewise.
556 * df.h (struct df): Likewise.
557 * tree-data-ref.h (struct data_dependence_relation): Likewise.
558 * ira-int.h (struct ira_allocno): Likewise.
559 * df-scan.c (struct df_collection_rec): Likewise.
560 * ira.c (struct equivalence): Likewise.
561 * function.c (struct temp_slot): Likewise.
562 * cfgloop.h (struct loop): Likewise.
565 * function.c (use_register_for_decl): When not optimizing, disregard
566 register keyword for variables with types containing methods.
568 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
571 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
572 (is_simple_operand): Call contains_component_ref_p before calling data
573 reference analysis that would fail on COMPONENT_REFs.
575 * tree-vrp.c (search_for_addr_array): Fix formatting.
577 2009-03-18 Richard Guenther <rguenther@suse.de>
579 * tree-vect-transform.c (vect_loop_versioning): Fold the
580 generated comparisons.
581 * tree-vectorizer.c (set_prologue_iterations): Likewise.
582 (slpeel_tree_peel_loop_to_edge): Likewise.
584 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
587 * opts.c (print_specific_help): In addition to `undocumented',
588 accept `separate' and `joined' flags if passed alone. Describe
589 output by the first matched one of those.
590 (common_handle_option): Skip over empty strings.
591 * gcc.c (display_help): Fix help string for `--help='.
592 * doc/invoke.texi (Option Summary, Overall Options): With
593 `--help=', classes and qualifiers can both be repeated, but
594 only the latter can be negated. One should not pass only
595 negated qualifiers. Fix markup and examples.
598 2008-10-14 Jakub Jelinek <jakub@redhat.com>
600 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
603 2009-03-17 Jing Yu <jingyu@google.com>
606 * function.h (struct rtl_data): Move is_thunk from here...
607 (struct function): ...to here.
608 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
609 * varasm.c (assemble_start_function): Change is_thunk from crtl to
611 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
613 (alpha_does_function_need_gp, alpha_start_function): Likewise.
614 (alpha_output_function_end_prologue): Likewise.
615 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
616 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
617 (rs6000_output_function_epilogue): Likewise.
618 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
620 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
623 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
624 from different units in a single alternative.
625 (*truncdfsf_i387): Ditto.
626 (*truncxfsf2_mixed): Ditto.
627 (*truncxfdf2_mixed): Ditto.
629 2009-03-17 Jakub Jelinek <jakub@redhat.com>
631 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
632 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
635 * tree-ssa-live.c (remove_unused_locals): Don't remove local
636 unused non-artificial variables when not optimizing.
639 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
640 DW_TAG_imported_module even if decl is IMPORTED_DECL with
641 NAMESPACE_DECL in its DECL_INITIAL.
644 * optabs.c (set_user_assembler_libfunc): New function.
645 * expr.h (set_user_assembler_libfunc): New prototype.
646 * c-common.c: Include libfuncs.h.
647 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
648 for memcmp, memset, memcpy, memmove and abort.
649 * Makefile.in (c-common.o): Depend on libfuncs.h.
652 * dwarf2out.c (gen_inlined_enumeration_type_die,
653 gen_inlined_structure_type_die, gen_inlined_union_type_die,
654 gen_tagged_type_instantiation_die): Removed.
655 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
658 2009-03-17 Janis Johnson <janis187@us.ibm.com>
661 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
663 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
664 (check-parallel-%): Ditto.
665 (check-consistency): Ditto.
667 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
669 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
670 local variable rhs by NULL_TREE.
672 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
675 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
677 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
680 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
682 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
685 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
686 for ms->sysv ABI calls only in 64bit mode.
688 * config/i386/i386.md (untyped_call): Support 32bit.
690 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
692 * doc/extend.texi: Replace x86_65 with x86_64.
694 2009-03-16 Jakub Jelinek <jakub@redhat.com>
696 PR tree-optimization/39455
697 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
698 mismatches for POINTER_TYPE_P (type).
699 (number_of_iterations_le): Likewise.
701 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
703 * config/picochip/picochip.c: Removed profiling support.
704 * config/picochip/picochip.md: Removed profiling instruction.
705 * config/picochip/picochip.h: Removed profiling builtin.
707 2009-03-16 Joseph Myers <joseph@codesourcery.com>
709 * doc/install.texi (--with-host-libstdcxx): Document.
711 2009-03-14 Anatoly Sokolov <aesok@post.ru>
714 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
715 generate a warning if the function name does not begin with
716 "__vector" and the function has either the 'signal' or 'interrupt'
717 attribute, from here to ...
718 (avr_declare_function_name): ...here. New function.
719 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
720 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
722 2009-03-14 Jakub Jelinek <jakub@redhat.com>
725 * cse.c (fold_rtx): Don't modify original const_arg1 when
726 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
727 separate variable instead.
728 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
729 from out of range shift counts.
730 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
732 2008-03-13 Catherine Moore <clm@codesourcery.com>
734 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
735 diagnostic.h with $(DIAGNOSTIC_H).
737 2008-03-12 Jakub Jelinek <jakub@redhat.com>
740 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
742 * config/i386/sync.md (sync_compare_and_swap<mode>,
743 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
744 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
746 (sync_double_compare_and_swapdi_pic,
747 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
748 cmpxchg8b_pic_memory_operand instead of just memory_operand.
750 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
753 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
755 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
758 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
759 (avx_addsubv4df3): Likewise.
760 (*avx_addsubv4sf3): Likewise.
761 (sse3_addsubv4sf3): Likewise.
763 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
766 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
768 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
771 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
772 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
773 registers for allocnos created from user-defined variables.
775 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
778 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
779 of non-integer mode as well.
781 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
783 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
784 for functions for which the parameter types are unknown.
786 2009-03-11 Jakub Jelinek <jakub@redhat.com>
789 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
790 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
791 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
792 * config/i386/i386.c (ix86_local_alignment): For
793 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
794 long long variables on the stack to avoid dynamic realignment.
795 Allow the first argument to be a decl rather than type.
796 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
798 2009-03-11 Nick Clifton <nickc@redhat.com>
801 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
803 Add description to mno-lsim option.
804 * config/mcore/mcore.h: Remove comment about deprecated m4align
806 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
807 * doc/invoke.texi: Add description of mno-lsim and
808 mstack-increment options.
810 * config/fr30/fr30.opt: Document the -mno-lsim option.
811 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
812 and -mno-lsim options.
814 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
816 * fold-const.c (fold_comparison): Only call fold_inf_compare
817 if the mode supports infinities.
819 2009-03-11 Jason Merrill <jason@redhat.com>
822 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
823 end already did. Notice GIMPLE_CALL modifications of the result.
824 Don't copy debug information from an ignored decl or a decl from
827 2009-03-10 Richard Guenther <rguenther@suse.de>
828 Nathan Froyd <froydnj@codesourcery.com>
831 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
832 (__divMODE3): Likewise.
834 2009-03-09 Jakub Jelinek <jakub@redhat.com>
836 PR tree-optimization/39394
837 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
838 DECL_SIZE_UNIT of variable length FIELD_DECLs.
840 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
842 * recog.c (verfiy_changes): Disallow renaming of hard regs in
843 inline asms for register asm ("") declarations.
845 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
847 * fold-const.c (fold_unary): Fix comment.
849 2009-03-07 Jan Hubicka <jh@suse.cz>
852 * tree-inline.c (setup_one_parameter): Do replacement of const
853 argument by constant in SSA form.
855 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
858 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
859 determine alignment passed to assign_stack_local.
860 (assign_parms_unsplit_complex): Likewise.
861 * except.c (sjlj_build_landing_pads): Likewise.
863 2009-03-06 Jakub Jelinek <jakub@redhat.com>
866 * tree-flow.h (add_referenced_var): Return bool instead of void.
867 * tree-dfa.c (add_referenced_var): Return result of
868 referenced_var_check_and_insert call.
869 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
870 of referenced_var_check_and_insert.
873 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
874 (gen_variable_die): Emit DW_AT_location on abstract static variable's
875 DIE, don't emit it if abstract origin already has it.
876 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
877 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
879 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
881 * genpreds.c: (needs_variable): Fix parentheses at variable name
883 (write_tm_constrs_h): Indent generated code.
885 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
887 * doc/extend.texi (Function Attributes): Add documentation
890 2009-03-06 Jakub Jelinek <jakub@redhat.com>
893 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
894 take locus from its DECL_SOURCE_LOCATION instead of input_location.
896 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
898 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
901 2009-03-05 Jakub Jelinek <jakub@redhat.com>
904 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
905 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
907 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
909 * config/i386/i386.md (R8_REG, R9_REG): New constants.
910 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
911 constants instead of magic numbers.
912 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
914 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
915 (x86_64_ms_abi_int_parameter_registers): Ditto.
916 (x86_64_int_return_registers): Ditto.
917 (ix86_maybe_switch_abi): Ditto.
918 (ix86_expand_call): Ditto for clobbered_registers array.
919 (ix86_hard_regno_mode_ok): Ditto.
920 (x86_extended_QIreg_mentioned_p): Ditto.
922 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
924 PR tree-optimization/39349
925 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
927 * combine.c (gen_lowpart_for_combine): Use omode when generating
930 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
932 PR rtl-optimization/39235
933 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
935 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
937 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
939 2009-03-04 Richard Guenther <rguenther@suse.de>
941 PR tree-optimization/39362
942 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
943 that occur in abnormal PHIs should be varying.
945 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
947 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
949 (simple_iv): Take loop as an argument instead of statement.
950 * tree-scalar-evolution.h (simple_iv): Declaration changed.
951 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
953 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
955 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
956 * matrix-reorg.c (analyze_transpose): Ditto.
957 * tree-data-ref.c (dr_analyze_innermost): Ditto.
958 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
959 * tree-predcom.c (ref_at_iteration): Ditto.
960 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
962 2009-03-04 Richard Guenther <rguenther@suse.de>
964 PR tree-optimization/39358
965 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
966 escaped_id and callused_id.
967 (solve_graph): Likewise.
969 2009-03-04 Richard Guenther <rguenther@suse.de>
971 PR tree-optimization/39339
972 * tree-sra.c (try_instantiate_multiple_fields): Make it
973 no longer ICE on the above.
975 2009-03-03 Joseph Myers <joseph@codesourcery.com>
977 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
978 that fits within Pmode.
980 2009-03-03 Steve Ellcey <sje@cup.hp.com>
983 * tm.texi (LIBCALL_VALUE): Update description.
985 2009-03-03 Steve Ellcey <sje@cup.hp.com>
988 * doc/extend.texi (section): Update description.
990 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
993 * tree-inline.c (remapped_type): New.
994 (can_be_nonlocal): Call remapped_type instead of remap_type.
996 2009-03-03 Jakub Jelinek <jakub@redhat.com>
999 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
1000 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
1002 2009-03-03 Richard Guenther <rguenther@suse.de>
1005 * tree.c (tree_nonartificial_location): New function.
1006 * tree.h (tree_nonartificial_location): Declare.
1007 * builtins.c (expand_builtin_memory_chk): Provide location
1008 of the call location for artificial function pieces.
1009 (maybe_emit_chk_warning): Likewise.
1010 (maybe_emit_sprintf_chk_warning): Likewise.
1011 (maybe_emit_free_warning): Likewise.
1012 * expr.c (expand_expr_real_1): Likewise.
1014 2009-03-03 Jakub Jelinek <jakub@redhat.com>
1016 PR tree-optimization/39343
1017 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
1018 COMPONENT_REF t has ARRAY_TYPE.
1020 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
1023 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
1024 when the type precision of the induction variable should be
1025 larger than the type precision of nit.
1026 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
1027 * graphite.c (graphite_loop_normal_form): Same.
1028 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
1030 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
1032 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
1033 (*call_1_rex64_ms_sysv): Use named constants instead of magic
1034 numbers to describe clobbered registers.
1035 (*call_value_0_rex64_ms_sysv): Ditto.
1036 * config/i386/mmx.md (mmx_emms): Ditto.
1039 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
1041 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
1044 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1046 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
1047 (spu_section_type_flags): New function.
1049 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
1051 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
1052 reg_class_contents of FLOAT_REGS into a temporary.
1054 2009-03-02 Richard Guenther <rguenther@suse.de>
1055 Ira Rosen <irar@il.ibm.com>
1057 PR tree-optimization/39318
1058 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
1059 information to the vectorized statement.
1061 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
1063 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
1064 variable. Use defined names instead of magic constants for REX SSE
1067 2009-03-01 Richard Guenther <rguenther@suse.de>
1069 PR tree-optimization/39331
1070 * omp-low.c (lower_send_shared_vars): Do not receive new
1071 values for the reference of DECL_BY_REFERENCE parms or results.
1073 2009-03-01 Jan Hubicka <jh@suse.cz>
1076 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
1077 BLOCK_NONLOCALIZED_VAR): New macros.
1078 (tree_block): Add nonlocalized_vars.
1079 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
1080 gen_decl_die): Add origin argument. Allow generation of die with
1081 origin at hand only.
1082 (gen_member_die, gen_type_die_with_usage, force_decl_die,
1083 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
1085 (gen_block_die): Fix checking for unused blocks.
1086 (process_scope_var): Break out from .... ; work with origins only.
1087 (decls_for_scope) ... here; process nonlocalized list.
1088 (dwarf2out_ignore_block): Look for nonlocalized vars.
1089 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
1091 (dump_scope_block): Dump them.
1092 * tree-inline.c (remap_decls): Handle nonlocalized vars.
1093 (remap_block): Likewise.
1094 (can_be_nonlocal): New predicate.
1095 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
1097 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1099 * configure: Regenerate.
1101 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1103 * optc-gen.awk: No need to duplicate option flags twice.
1104 Reuse help texts for duplicate options which do not have any.
1106 * gcc.c (display_help): Document --version.
1108 * gcc.c (main): If print_help_list and verbose_flag, ensure
1109 driver output comes before subprocess output.
1111 * optc-gen.awk: Assign all remaining fields to help string,
1112 space-separated, for multi-line help in *.opt.
1114 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
1115 -Wno-pedantic-ms-format is for MinGW targets only.
1117 * doc/options.texi (Option file format): Fix bad indentation,
1118 restoring dropped sentence.
1120 2009-02-28 Jan Hubicka <jh@suse.cz>
1122 * tree-inline.c (tree_function_versioning): Output debug info.
1124 2009-02-28 Jan Hubicka <jh@suse.cz>
1127 * tree-inline.c (setup_one_parameter): Do not copy propagate
1128 arguments when not optimizing.
1130 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
1133 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
1134 (avx_addsubv4df3): Likewise.
1135 (*avx_addsubv4sf3): Likewise.
1136 (sse3_addsubv4sf3): Likewise.
1137 (*avx_addsubv2df3): Likewise.
1138 (sse3_addsubv2df3): Likewise.
1139 (avx_unpckhps256): Correct item selectors.
1140 (avx_unpcklps256): Likewise.
1141 (avx_unpckhpd256): Likewise.
1142 (avx_unpcklpd256): Likewise.
1144 2009-02-28 Jan Hubicka <jh@suse.cz>
1146 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
1148 (copy_arguments_for_versioning): If var is declared don't declare it.
1149 (tree_function_versioning): First setup substitutions and then copy
1152 2009-02-27 Jan Hubicka <jh@suse.cz>
1155 * cgraph.h (varpool_output_debug_info): Remove.
1156 * cgraphunit.c (varpool_output_debug_info): Remove.
1157 * dwarf2out.c (deferred_locations_struct): New struct
1158 (deferred_locations): New type.
1159 (deferred_locations_list): New static var.
1160 (deffer_location): New function.
1161 (gen_variable_die): Use it.
1162 (decls_for_scope): Output info on local static vars.
1163 (dwarf2out_finish): Process deferred locations.
1164 * varpool.c (varpool_output_debug_info): Remove.
1166 2009-02-27 Jan Hubicka <jh@suse.cz>
1169 * tree.h (TREE_PROTECTED): Fix comment.
1170 (BLOCK_HANDLER_BLOCK): Remove.
1171 (struct tree_block): Remove handler_block add body_block.
1172 (inlined_function_outer_scope_p): New.
1173 (is_body_block): Remove.
1174 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
1175 * dwarf2out.c (is_inlined_entry_point): Remove.
1176 (add_high_low_attributes): Use inlined_function_outer_scope_p.
1177 (gen_block_die): Use is_inlined_entry_point check. Remove body block
1179 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
1180 * gimplify.c (gimplify_expr): Gimplify body blocks.
1181 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
1182 block with multiple subblocks.
1183 (dump_scope_block): Prettier output; dump more flags and info.
1184 (dump_scope_blocks): New.
1185 (remove_unused_locals): Use dump_scope_blocks.
1186 * tree-flow.h (dump_scope_blocks): Declare.
1187 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
1188 * stmt.c (is_body_block): Remove.
1189 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
1190 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
1192 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
1195 * graphite.c (graphite_loop_normal_form): Do not call
1196 number_of_iterations_exit from a gcc_assert.
1198 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1200 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
1201 jumps if COND is NULL.
1202 (find_cond_jump): New function.
1203 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
1204 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
1206 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
1208 * config/alpha/alpha.h (alpha_expand_mov): Return false if
1209 force_const_mem returns NULL_RTX.
1211 2009-02-26 Jan Hubicka <jh@suse.cz>
1214 * cgraph.h (varpool_output_debug_info): Remove.
1215 * cgraphunit.c (varpool_output_debug_info): Remove.
1216 * dwarf2out.c (deferred_locations_struct): New struct
1217 (deferred_locations): New type.
1218 (deferred_locations_list): New static var.
1219 (deffer_location): New function.
1220 (gen_variable_die): Use it.
1221 (decls_for_scope): Output info on local static vars.
1222 (dwarf2out_finish): Process deferred locations.
1223 * varpool.c (varpool_output_debug_info): Remove.
1225 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
1227 PR rtl-optimization/39241
1228 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
1229 to subreg_offset_representable_p.
1231 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
1233 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
1234 execute function prototype. Get f and nregs from max_reg_num
1235 and get_insns. Remove the first backward pass as it's dead,
1236 guard the forward pass by flag_expensive_optimizations.
1237 (rest_of_handle_regmove): Delete.
1238 (pass_regmove): Replace it with regmove_optimize.
1240 2009-02-25 Martin Jambor <mjambor@suse.cz>
1242 PR tree-optimization/39259
1243 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
1244 calls_alloca function flags.
1245 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
1248 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
1250 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
1251 flags_set_1_rtx, flags_set_1_set): Delete.
1252 (regmove_optimize): Do not call mark_flags_life_zones.
1254 2009-02-24 Julian Brown <julian@codesourcery.com>
1257 * config/arm/arm.c (require_pic_register): Only set
1258 cfun->machine->pic_reg once per function.
1260 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
1262 * doc/invoke.texi (Link Options): Document an easier way to pass
1263 options that take arguments to the GNU linker using -Xlinker and -Wl.
1265 2009-02-24 Steve Ellcey <sje@cup.hp.com>
1268 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
1270 2009-02-24 Richard Guenther <rguenther@suse.de>
1273 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
1275 2009-02-24 Richard Guenther <rguenther@suse.de>
1276 Zdenek Dvorak <ook@ucw.cz>
1278 PR tree-optimization/39233
1279 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
1280 from converting them to a generic type.
1282 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
1284 PR tree-optimization/39260
1285 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
1286 contains a condition with a real type.
1287 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
1289 2009-02-23 Jason Merrill <jason@redhat.com>
1292 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
1293 narrowing_initializer_constant_valid_p.
1294 (narrowing_initializer_constant_valid_p): Don't return
1295 null_pointer_node for adding a pointer to itself.
1297 2009-02-23 Jan Hubicka <jh@suse.cz>
1300 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
1303 2009-02-23 Jan Hubicka <jh@suse.cz>
1305 PR tree-optimization/37709
1306 * tree.c (block_ultimate_origin): Move here from dwarf2out.
1307 * tree.h (block_ultimate_origin): Declare.
1308 * dwarf2out.c (block_ultimate_origin): Move to tree.c
1309 * tree-ssa-live.c (remove_unused_scope_block_p):
1310 Eliminate blocks containig no instructions nor live variables nor
1312 (dump_scope_block): New function.
1313 (remove_unused_locals): Enable removal of dead blocks by default;
1314 enable dumping at TDF_DETAILS.
1316 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
1318 * config/i386/i386.c (classify_argument): Don't allow COImode
1320 (function_arg_advance_32): Don't allow OImode.
1321 (function_arg_32): Likewise.
1322 (function_value_32): Likewise.
1323 (return_in_memory_32): Likewise.
1324 (function_arg_64): Remove OImode comment.
1326 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
1329 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
1330 ix86_expand_vector_set for V4DImode in 64bit mode only.
1331 (ix86_expand_vector_init_one_var): Likewise.
1333 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
1335 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
1337 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
1340 * loop-iv.c: Revert last change.
1341 * emit-rtl.c: Likewise.
1343 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
1346 * config/i386/i386.c (type_natural_mode): Remove an extra
1347 space in the warning message.
1348 (function_value_32): Handle 32-byte vector modes.
1349 (return_in_memory_32): Likewise.
1351 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
1353 * loop-iv.c (truncate_value): New function.
1354 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
1356 (lowpart_subreg): Move to...
1357 * emit-rtl.c: ...here.
1359 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
1361 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
1362 accidental and undocumented change at revision 140860.
1364 2009-02-21 Joseph Myers <joseph@codesourcery.com>
1366 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
1367 take gimple_seq * arguments.
1368 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
1369 types_compatible_p langhook.
1371 2009-02-20 Mark Mitchell <mark@codesourcery.com>
1372 Joseph Myers <joseph@codesourcery.com>
1374 * config/arm/arm.c (arm_builtin_va_list): New function.
1375 (arm_expand_builtin_va_start): Likewise.
1376 (arm_gimplify_va_arg_expr): Likewise.
1377 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
1378 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
1379 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
1380 (va_list_type): New variable.
1381 (arm_mangle_type): Mangle va_list_type appropriately.
1383 2009-02-20 Jakub Jelinek <jakub@redhat.com>
1386 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
1387 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
1388 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
1389 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
1390 parameter to 1000 for -O1 by default.
1391 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
1393 * loop-invariant.c: Include params.h.
1394 (move_loop_invariants): Don't call move_single_loop_invariants on
1397 2009-02-20 Jaka Mocnik <jaka@xlab.si>
1399 * calls.c (emit_library_call_value_1): Use slot_offset instead of
1400 offset when calculating bounds for indexing stack_usage_map. Fixes
1401 a buffer overflow with certain target setups.
1403 2009-02-20 Jakub Jelinek <jakub@redhat.com>
1406 * calls.c (expand_call): Clear try_tail_call if caller and callee
1407 disagree in promotion of function return value.
1409 2009-02-19 Jakub Jelinek <jakub@redhat.com>
1412 * c-common.c (c_determine_visibility): If visibility changed and
1413 DECL_RTL has been already set, call make_decl_rtl to update symbol
1416 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
1419 * varasm.c (assemble_variable): Don't check DECL_NAME when
1420 globalizing a variable.
1422 2009-02-19 Joseph Myers <joseph@codesourcery.com>
1425 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
1426 expression before any __builtin_trap call.
1427 * c-typeck.c (build_function_call): Convert and check function
1428 arguments before generating a call to a trap. Evaluate the
1429 function arguments before the trap.
1431 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
1434 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
1435 (UNSPEC_FXAM_MEM): New unspec.
1436 (fxam<mode>2_i387_with_temp): New insn and split pattern.
1437 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
1438 memory using fxam<mode>2_i387_with_temp to remove excess precision.
1440 2009-02-19 Richard Guenther <rguenther@suse.de>
1442 PR tree-optimization/39207
1443 PR tree-optimization/39074
1444 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
1445 storedanything_tree): New.
1446 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
1447 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
1448 (build_succ_graph): Add edges from STOREDANYTHING to all
1450 (init_base_vars): Initialize STOREDANYTHING.
1451 (compute_points_to_sets): Free substitution info after
1452 building the succ graph.
1453 (ipa_pta_execute): Likewise.
1455 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
1457 (do_ds_constraint): Do not add to special var or non-pointer
1459 (type_could_have_pointers): Split out from ...
1460 (could_have_pointers): ... here. For arrays use the element type.
1461 (create_variable_info_for): Initialize may_have_pointers.
1462 (new_var_info): Likewise.
1463 (handle_lhs_call): Make the HEAP variable unknown-sized.
1464 (intra_create_variable_infos): Use a type with pointers for
1465 PARM_NOALIAS, make it unknown-sized.
1467 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
1470 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
1472 2009-02-18 Jason Merrill <jason@redhat.com>
1475 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
1476 value if DECL_EXTERNAL.
1477 * tree-sra.c (sra_walk_gimple_assign): Likewise.
1478 * target.h (gcc_target::binds_local_p): Clarify "module".
1479 * tree.h (TREE_PUBLIC): Clarify "module".
1481 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
1484 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
1485 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
1487 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
1490 * c.opt (Wabi): Support C and ObjC.
1493 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
1495 * config/i386/i386.c (classify_argument): Warn once about the ABI
1496 change when passing union with long double.
1498 * doc/invoke.texi: Update -Wabi for warning psABI changes.
1500 2009-02-18 Joseph Myers <joseph@codesourcery.com>
1503 * c-parser.c (c_parser_compound_statement): Always enter and leave
1506 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1509 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
1511 2009-02-18 Jakub Jelinek <jakub@redhat.com>
1513 PR tree-optimization/36922
1514 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
1515 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
1518 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1520 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
1523 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1525 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
1527 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1529 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
1532 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
1533 Richard Sandiford <rdsandiford@googlemail.com>
1535 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
1536 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
1537 (loongson_biadd): ...this.
1539 2009-02-17 Richard Guenther <rguenther@suse.de>
1541 PR tree-optimization/39202
1542 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
1543 a var make sure to follow existing collapses.
1545 2009-02-17 Richard Guenther <rguenther@suse.de>
1548 * langhooks.c (lhd_print_error_function): Check for NULL block.
1550 2009-02-17 Richard Guenther <rguenther@suse.de>
1552 PR tree-optimization/39204
1553 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
1556 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
1558 * config/soft-fp/double.h: Update from glibc CVS.
1560 2009-02-17 Richard Guenther <rguenther@suse.de>
1562 PR tree-optimization/39207
1563 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
1564 strict-aliasing warnings for pointers pointing to NULL.
1566 2009-02-16 Joseph Myers <joseph@codesourcery.com>
1569 * c-parser.c (c_parser_braced_init): Call pop_init_level when
1570 skipping until next close brace.
1572 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
1575 * config/i386/i386.c (ix86_expand_push): Set memory alignment
1576 to function argument boundary.
1578 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1580 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
1581 in the lea_add. Reload eventually constraints it properly.
1582 * config/picochip/constraints.md : Remove the target constraint
1583 "b", since it is not needed anymore.
1585 2009-02-16 Jakub Jelinek <jakub@redhat.com>
1587 * gthr-dce.h: Uglify function parameter and local variable names.
1588 * gthr-gnat.h: Likewise.
1589 * gthr-mipssde.h: Likewise.
1590 * gthr-nks.h: Likewise.
1591 * gthr-posix95.h: Likewise.
1592 * gthr-posix.h: Likewise.
1593 * gthr-rtems.h: Likewise.
1594 * gthr-single.h: Likewise.
1595 * gthr-solaris.h: Likewise.
1596 * gthr-tpf.h: Likewise.
1597 * gthr-vxworks.h: Likewise.
1598 * gthr-win32.h: Likewise.
1600 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
1603 * config/i386/i386.md: Restrict the new peephole2 to move
1604 between MMX/SSE registers.
1606 2009-02-15 Richard Guenther <rguenther@suse.de>
1609 2009-02-13 Richard Guenther <rguenther@suse.de>
1611 * configure.ac: Enable LFS.
1612 * configure: Re-generate.
1613 * config.in: Likewise.
1615 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1617 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
1618 spu_srqwbyte, spu_srqwbytebc): Define.
1619 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
1620 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
1621 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
1622 "shrqby_<mode>"): New insn-and-split patterns.
1623 * config/spu/spu.c (expand_builtin_args): Determine and return
1624 number of operands using spu_builtin_description data.
1625 (spu_expand_builtin_1): Use it.
1627 2009-02-13 Steve Ellcey <sje@cup.hp.com>
1630 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
1633 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1636 * config/i386/i386.c (override_options): Correct warning
1637 messages for -malign-loops, -malign-jumps and -malign-functions.
1639 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1642 * config/i386/i386.md: Restrict the new peephole2 to move
1643 between the general purpose registers.
1645 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1648 * config/i386/i386.c (type_natural_mode): Add a new argument.
1649 Return the original mode and warn ABI change if vector size is 32byte.
1650 (function_arg_advance): Updated.
1651 (function_arg): Likewise.
1652 (ix86_function_value): Likewise.
1653 (ix86_return_in_memory): Likewise.
1654 (ix86_sol10_return_in_memory): Likewise.
1655 (ix86_gimplify_va_arg): Likewise.
1656 (function_arg_32): Don't warn ABX ABI change here.
1657 (function_arg_64): Likewise.
1659 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
1661 * loop-iv.c (implies_p): In the final case, test that operands 0
1662 of the two comparisons match.
1664 * config/bfin/bfin.c (find_prev_insn_start): New function.
1665 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
1666 (find_next_insn_start): Move.
1668 2009-02-13 Richard Guenther <rguenther@suse.de>
1670 * configure.ac: Enable LFS.
1671 * configure: Re-generate.
1672 * config.in: Likewise.
1674 2009-02-13 Joseph Myers <joseph@codesourcery.com>
1677 * c-parser.c (c_parser_parms_list_declarator): Discard pending
1678 sizes on syntax error after some arguments have been parsed.
1680 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1682 * doc/invoke.texi (-fira): Remove.
1684 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1686 * caller-save.c: Replace regclass.c with reginfo.c in comments.
1687 * recog.c: Likewise.
1690 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
1692 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
1693 (umul_ppmm): Likewise.
1694 (count_leading_zeros): Likewise.
1695 (count_trailing_zeros): Likewise.
1696 (UMUL_TIME): Likewise.
1698 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1700 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
1701 soft-fp/t-softfp to tmake_file.
1703 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
1704 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
1705 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
1706 IA64_BUILTIN_INFQ]: New.
1707 (ia64_init_builtins): Initialize __builtin_infq,
1708 __builtin_fabsq and __builtin_copysignq if not HPUX.
1709 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
1710 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
1712 * config/ia64/lib1funcs.asm (__divtf3): Define only if
1714 (__fixtfti): Likewise.
1715 (__fixunstfti): Likewise.
1716 (__floattitf): Likewise.
1718 * config/ia64/libgcc-glibc.ver: New.
1719 * config/ia64/t-fprules-softfp: Likewise.
1720 * config/ia64/sfp-machine.h: Likewise.
1722 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
1723 (LIBGCC2_TF_CEXT): Likewise.
1724 (TF_SIZE): Likewise.
1725 (TARGET_INIT_LIBFUNCS): Likewise.
1727 * config/ia64/t-glibc (SHLINB_MAPFILES):
1728 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
1730 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1732 * config/i386/i386.c (construct_container): Rewrite processing
1733 BLKmode with X86_64_SSE_CLASS.
1735 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
1738 * config/i386/i386.md: Replace simplify_replace_rtx with
1739 replace_rtx in the new peephole2.
1741 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
1743 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
1744 loop unrolling do not happen at -O2.
1746 2009-02-12 Michael Matz <matz@suse.de>
1748 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
1750 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1752 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
1755 2009-02-12 Ben Elliston <bje@au.ibm.com>
1757 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
1758 patterns when updating the back chain. Missed in the 2009-02-10
1761 2009-02-11 Janis Johnson <janis187@us.ibm.com>
1763 * doc/extend.texi (Decimal Floating Types): Update identifier of
1764 draft TR and list of missing support.
1766 2009-02-11 Jakub Jelinek <jakub@redhat.com>
1769 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
1770 bit to variable length decl's flags, add it also to its
1771 pointer replacement variable.
1773 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
1774 Jakub Jelinek <jakub@redhat.com>
1777 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
1778 (memory_blockage): New expander.
1779 (*memory_blockage): New insn pattern.
1780 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1781 instead of general blockage at the end of function prologue when
1782 frame pointer is used to access red zone area. Do not emit blockage
1783 when profiling, it is emitted in generic code.
1784 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1785 function epilogue when frame pointer is used to access red zone area.
1787 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
1790 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1791 by arithmetic with memory operands.
1792 * config/i386/predicates.md (commutative_operator): New.
1794 2009-02-10 Janis Johnson <janis187@us.ibm.com>
1796 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1799 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
1801 * alias.h (record_alias_subset): Declare.
1802 * alias.c (record_alias_subset): Make global.
1804 2009-02-10 Nick Clifton <nickc@redhat.com>
1806 * tree-parloops.c: Change license to GPLv3.
1807 * ipa-struct-reorg.c: Change license to GPLv3.
1808 * ipa-struct-reorg.h: Change license to GPLv3.
1810 2009-02-10 Steve Ellcey <sje@cup.hp.com>
1813 * c-decl.c (start_struct): Return NULL on error.
1815 2009-02-10 Jakub Jelinek <jakub@redhat.com>
1818 * cfgloopmanip.c (remove_path): Call remove_bbs after
1819 cancel_loop_tree, not before it.
1822 * function.h (struct function): Add has_local_explicit_reg_vars bit.
1823 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1824 VAR_DECLs were seen.
1825 * tree-ssa-live.c (remove_unused_locals): Recompute
1826 cfun->has_local_explicit_reg_vars.
1827 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1828 copies or clearings if cfun->has_local_explicit_reg_vars.
1830 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
1833 * config/i386/i386.c (expand_prologue): Emit blockage at the end
1834 of function prologue when frame pointer is used to access
1837 2009-02-10 Richard Guenther <rguenther@suse.de>
1840 * gimplify.c (gimple_regimplify_operands): Always look if
1841 we need to create a temporary.
1843 2009-02-10 Richard Guenther <rguenther@suse.de>
1845 PR tree-optimization/39132
1846 * tree-loop-distribution.c (todo): New global var.
1847 (generate_memset_zero): Trigger TODO_rebuild_alias.
1848 (tree_loop_distribution): Return todo.
1850 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
1853 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1854 (x86_64_reg_class_name): Removed.
1855 (classify_argument): Return 0 if bytes > 32. Return 0 if the
1856 first one isn't X86_64_SSE_CLASS or any other ones aren't
1857 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
1858 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1859 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
1860 and 3 X86_64_SSEUP_CLASS.
1861 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
1862 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1864 2009-02-10 Ben Elliston <bje@au.ibm.com>
1866 * config/rs6000/rs6000.md (allocate_stack): Always use an update
1867 form instruction to update the stack back chain word, even if the
1868 user has disabled the generation of update instructions.
1869 (movdi_<mode>_update_stack): New.
1870 (movsi_update_stack): Likewise.
1871 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1872 always use an update form instruction to update the stack back
1875 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
1878 * graphite.c (if_region_set_false_region): After moving a region in
1879 the false branch of a condition, remove the empty dummy basic block.
1880 (gloog): Remove wrong fix for PR38953.
1882 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1884 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1885 generation due to implicit sign extension.
1887 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
1890 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1891 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1893 2009-02-09 Richard Guenther <rguenther@suse.de>
1896 * convert.c (convert_to_real): Disable (float)fn((double)x)
1897 to fnf(x) conversion if errno differences may occur and
1898 -fmath-errno is set.
1900 2009-02-07 Anatoly Sokolov <aesok@post.ru>
1902 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1903 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1904 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1906 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1909 * c-common.c (handle_alias_attribute): Disallow attribute for
1910 anything not a FUNCTION_DECL or VAR_DECL.
1912 2009-02-06 Janis Johnson <janis187@us.ibm.com>
1915 * real.c (do_compare): Special-case compare of zero against
1916 decimal float value.
1918 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1921 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1922 as indicating flexible array members unless the field itself is
1923 being declarared as the incomplete array.
1925 2009-02-06 Jan Hubicka <jh@suse.cz>
1927 PR tree-optimization/38844
1928 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1931 2009-02-06 Richard Guenther <rguenther@suse.de>
1934 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1935 fork because we may expand it as __gcov_fork.
1937 2009-02-06 Nick Clifton <nickc@redhat.com>
1939 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1941 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1943 PR tree-optimization/35659
1944 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1945 vn_phi_eq): Shortcut if hashcode does not match.
1946 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1948 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1949 and avoid iterative_hash_expr.
1950 (FOR_EACH_VALUE_ID_IN_SET): New.
1951 (value_id_compare): Remove.
1952 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1953 sort expressions by value id.
1955 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1958 * config/sh/predicates.md (general_movsrc_operand): Don't check
1959 the subreg of system registers here.
1961 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1964 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1967 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1969 PR rtl-optimization/39110
1970 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1971 addresses, not aligned ones.
1973 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1974 Richard Guenther <rguenther@suse.de>
1976 PR tree-optimization/39100
1977 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1978 comment says and add edges.
1980 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1983 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1984 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1986 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1988 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1989 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1990 register_bb_in_sese, new_sese, free_sese): Moved.
1991 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1992 outermost_loop_in_scop, build_scop_iteration_domain,
1993 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1994 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1995 Use loop_in_sese_p instead of loop_in_scop_p.
1996 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1997 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1998 (scopdet_basic_block_info): Fix bug in scop detection.
1999 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
2000 eq_loop_to_cloog_loop): Remove.
2001 (nb_loops_around_loop_in_scop, nb_loop
2002 ref_nb_loops): Moved here...
2003 * graphite.h (ref_nb_loops): ... from here.
2004 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
2005 (loop_domain_dim, loop_iteration_vector_dim): Remove.
2006 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
2007 * testsuite/gcc.dg/graphite/scop-19.c: New
2009 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
2010 Hans-Peter Nilsson <hp@axis.com>
2012 PR rtl-optimization/37889
2013 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
2014 Move offset handling from PLUS to before the switch. Use new
2015 arguments when considering SYMBOL_REFs too.
2016 (rtx_addr_can_trap_p): Pass dummy offset and size.
2017 (enum may_trap_p_flags): Remove.
2018 (may_trap_p_1): Pass size from MEM_SIZE.
2020 PR rtl-optimization/38921
2021 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
2022 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
2023 * rtlanal.c (may_trap_after_code_motion_p): Delete.
2024 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
2026 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
2028 AVX Programming Reference (January, 2009)
2029 * config/i386/sse.md (*vpclmulqdq): New.
2031 2009-02-04 Jakub Jelinek <jakub@redhat.com>
2033 PR tree-optimization/38977
2034 PR gcov-profile/38292
2035 * calls.c (special_function_p): Disregard __builtin_ prefix.
2037 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
2039 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
2040 non-indexable addresses even before reload.
2042 2009-02-03 Joseph Myers <joseph@codesourcery.com>
2045 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
2046 as having variable size. Do not give an error for unnamed
2047 parameters with [*] declarators. Give a warning for type names
2048 with [*] declarators and mark them as variable size.
2049 * c-parser.c (c_parser_sizeof_expression): Do not give an error
2050 for sizeof applied to [*] type names.
2052 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
2055 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
2057 2009-02-03 Jakub Jelinek <jakub@redhat.com>
2059 * gcc.c (process_command): Update copyright notice dates.
2060 * gcov.c (print_version): Likewise.
2061 * gcov-dump.c (print_version): Likewise.
2062 * mips-tfile.c (main): Likewise.
2063 * mips-tdump.c (main): Likewise.
2065 2009-02-03 Joseph Myers <joseph@codesourcery.com>
2068 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
2069 for composite type involving a zero-length array type.
2071 2009-02-03 Jakub Jelinek <jakub@redhat.com>
2074 * function.c (match_asm_constraints_1): Skip over
2075 initial optional % in the constraint.
2078 * c-parser.c (c_parser_postfix_expression): If fixed point is not
2079 supported, don't accept FIXED_CSTs.
2080 * c-decl.c (finish_declspecs): Error if fixed point is not supported
2081 and _Sat is used without _Fract/_Accum. Set specs->type to
2082 integer_type_node for cts_fract/cts_accum if fixed point is not
2085 2009-02-02 Catherine Moore <clm@codesourcery.com>
2087 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
2089 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
2091 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
2092 (ABI_HAS_64BIT_SYMBOLS): Use it.
2093 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
2095 2009-02-02 Paul Brook <paul@codesourcery.com>
2097 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
2099 2009-02-02 Jakub Jelinek <jakub@redhat.com>
2102 * recog.h (asm_operand_ok): Add constraints argument.
2103 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
2104 recurse on matching constraint.
2105 (check_asm_operands): Pass constraints as 3rd argument to
2106 asm_operand_ok. Don't look up matching constraint here.
2107 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
2110 2009-02-02 Ben Elliston <bje@au.ibm.com>
2112 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
2113 TARGET_NARROW_VOLATILE_BITFIELD macro names.
2115 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2117 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
2118 information. Remove some obsolete information. Reorganize.
2120 * config/pa/fptr.c: Revert license to GPL 2.
2121 * config/pa/milli64.S: Likewise.
2123 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
2126 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
2127 LIBRARY name in, instead of hard-coding it.
2128 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
2129 extra target make frag to tmake_files according to EH model.
2130 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
2131 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
2132 frags that define makefile variable EH_MODEL appropriately.
2133 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
2134 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
2135 to "-sjlj" according to type of EH configured.
2136 (LIBGCC_SONAME): Concatenate it to shared library base name.
2137 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
2138 to "_sjlj" according to type of EH configured.
2139 (LIBGCC_SONAME): Concatenate it to shared library base name.
2140 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
2141 (SHLIB_LINK): Add missing semicolon to if-else construct.
2142 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
2143 string value of "pe_dll" command-line option.
2144 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
2145 (SHLIB_SONAME): Use it when overriding t-cygming default.
2146 (SHLIB_IMPLIB): Override t-cygming default.
2147 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
2148 string value of "pe_dll" command-line option.
2150 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
2153 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
2154 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
2156 2009-01-31 Richard Guenther <rguenther@suse.de>
2158 PR tree-optimization/38937
2159 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
2160 computing the transitive closure.
2162 2009-01-30 Richard Guenther <rguenther@suse.de>
2164 PR tree-optimization/39041
2165 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
2166 Propagate variable indices only if the types match for this stmt.
2168 2009-01-30 Jakub Jelinek <jakub@redhat.com>
2171 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
2172 inline but never defined.
2174 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
2176 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
2177 (*insv_h_di_reg_extimm): New insn.
2178 (*insv_l<mode>_reg_extimm): New insn.
2180 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
2182 * config/picochip/picochip.c (flag_conserve_stack): set
2183 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
2184 fconserve-stack. Reduce call-overhead used by inliner.
2186 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
2189 * common.opt (flag_conserve_stack): Initialised to zero.
2191 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
2194 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
2195 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
2198 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
2200 * ira-color.c (allocno_reload_assign): Update comments.
2201 * regmove.c (regmove_optimize): Likewise.
2205 2009-01-29 Robert Millan <rmh@aybabtu.com>
2207 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
2208 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
2209 `MD_UNWIND_SUPPORT'.
2210 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
2212 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
2214 PR tree-optimization/39007
2215 * tree-loop-distribution.c (generate_builtin): Use
2216 recompute_dominator to compute the immediate dominator of the
2217 basic block just after the loop.
2219 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2221 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
2222 (ASM_OUTPUT_DWARF_PCREL): Define.
2224 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
2226 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
2227 * doc/passes.texi: Remove entries about regclass, local-alloc, and
2228 global. Modify entries about regmove and IRA.
2230 * ra-conflict.c: Remove the file.
2232 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
2234 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
2235 (pass_regclass_init): Rename to pass_reginfo_init.
2237 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
2239 * toplev.h (flag_ira): Remove.
2241 * caller-save.c (setup_save_areas): Remove flag_ira.
2243 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
2245 * global.c: Remove the file.
2247 * opts.c: (decode_options): Remove flag_ira.
2249 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
2251 * regmove.c: Modify file description.
2252 (find_use_as_address, try_auto_increment): Define them only if
2253 AUTO_INC_DEC is defined.
2254 (replacement_quality, replace_in_call_usage, fixup_match_1,
2255 stable_and_no_regs_but_for_p): Remove.
2256 (reg_set_in_bb): Make it static.
2257 (regmove_optimize): Remove flag_ira and code which worked for
2260 * local-alloc.c: Remove the file.
2262 * common.opt (fira): Remove.
2264 * ira.c: Include except.h.
2265 (eliminable_regset): Move from global.c.
2266 (mark_elimination): Ditto. Remove flag_ira.
2267 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
2268 equiv_mem_modified, validate_equiv_mem_from_store,
2269 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
2270 contains_replace_regs, memref_referenced_p, memref_used_between_p,
2271 no_equiv, recorded_label_ref): Move from local-alloc.c.
2272 (update_equiv_regs): Ditto. Make it static.
2273 (print_insn_chain, print_insn_chains): Move it from global.c.
2274 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
2275 (build_insn_chain): Ditto. Make it static.
2276 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
2277 Rename to init_live_subregs.
2278 (gate_ira): Remove flag_ira.
2280 * regclass.c: Rename reginfo.c. Change file description.
2281 (FORBIDDEN_INC_DEC_CLASSES): Remove.
2282 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
2283 (init_reg_sets_1): Remove code for evaluation of
2284 reg_class_superclasses and losing_caller_save_reg_set.
2285 (init_regs): Remove init_reg_autoinc.
2286 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
2287 ok_for_base_p_nonstrict): Remove.
2288 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
2289 (pass_regclass_init): Rename to pass_reginfo_init. Modify
2290 corresponding entries.
2291 (dump_regclass, record_operand_costs, scan_one_insn,
2292 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
2293 record_address_regs, auto_inc_dec_reg_p): Remove.
2294 (gt-regclass.h): Rename to gt-reginfo.h.
2296 * rtl.h (dump_global_regs, retry_global_alloc,
2297 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
2299 * Makefile.in (RA_H): Remove.
2300 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
2301 Rename regclass.o to reginfo.o.
2302 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
2304 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
2305 (GTFILES): Rename regclass.c to reginfo.c.
2307 * passes.c (init_optimization_passes): Remove pass_local_alloc and
2308 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
2310 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2311 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
2313 (finish_spills): Ditto. Remove code for !flag_ira.
2315 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
2318 * doc/invoke.texi (rtl debug options): Complete rewrite.
2319 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
2321 * mode-switching.c (pass_mode_switching): Rename pass from
2322 "mode-sw" to "mode_sw".
2323 * except.c (pass_convert_to_eh_ranges): Rename pass from
2324 "eh-ranges" to "eh_ranges".
2325 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
2329 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
2330 Alexander Monakov <amonakov@ispras.ru>
2333 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
2335 (move_exprs_to_boundary): Change return type and pass through
2336 should_move from move_op. Relax assert. Update usage ...
2337 (schedule_expr_on_boundary): ... here. Use should_move instead of
2339 (move_op_orig_expr_found): Indicate that insn was disconnected from
2341 (code_motion_process_successors): Do not call after_merge_succs
2342 callback if original expression was not found when traversing any of
2344 (code_motion_path_driver): Change return type. Update prototype.
2345 (move_op): Update comment. Add a new parameter (should_move). Update
2346 prototype. Set *should_move based on indication provided by
2347 move_op_orig_expr_found.
2349 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
2351 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
2352 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
2353 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
2354 * config/rs6000/rs6000.c (rs6000_override_options): Default
2355 avoid-indexed-addresses on for Power6, off for everything else.
2356 (avoiding_indexed_address_p): New function.
2357 (rs6000_legitimize_address): Use it.
2358 (rs6000_legitimate_address): Likewise.
2359 * config/rs6000/rs6000.md (movXX_updateX): Likewise
2361 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
2363 PR tree-optimization/38997
2364 * tree-loop-distribution.c (generate_memset_zero): Use
2365 POINTER_PLUS_EXPR for a pointer addition.
2367 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
2369 * config/s390/s390.md (bswap<mode>2): New pattern added.
2371 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
2373 * config/s390/s390.md (*tls_load_31): Added type attribute.
2375 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
2377 * config/s390/s390.md: Fix a few comments.
2379 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
2381 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
2382 (*tm<mode>_full): Fixed z10prop attribute.
2383 (*tst<mode>_extimm): Fixed z10prop attribute.
2384 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
2385 (*tstqiCCT_cconly): Fixed z10prop attribute.
2386 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
2387 (*movsi_larl): Fixed z10prop attribute.
2388 (*movsi_zarch): Fixed z10prop attribute.
2389 (*movsi_eas): Fixed z10prop attribute.
2390 (*movhi): Fixed z10prop attribute.
2391 (*movqi): Fixed z10prop attribute.
2392 (*movstrictqi): Fixed z10prop attribute.
2393 (*mov<mode>): Fixed z10prop attribute.
2394 (*movcc): Fixed z10prop attribute.
2395 (*sethighpartdi_64): Fixed z10prop attribute.
2396 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
2397 (*negdi2_sign_cc): Fixed z10prop attribute.
2398 (*negdi2_sign): Fixed z10prop attribute.
2399 (*absdi2_sign_cc): Fixed z10prop attribute.
2400 (*absdi2_sign): Fixed z10prop attribute.
2401 (*negabsdi2_sign_cc): Fixed z10prop attribute.
2402 (*negabsdi2_sign): Fixed z10prop attribute.
2403 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
2404 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
2405 (doloop_si64): Fixed z10prop attribute.
2406 (doloop_si31): Fixed z10prop attribute.
2407 (doloop_long): Fixed z10prop attribute.
2408 (indirect_jump): Fixed z10prop attribute.
2409 (nop): Fixed z10prop attribute.
2410 (main_base_64): Fixed z10prop attribute.
2411 (reload_base_64): Fixed z10prop attribute.
2413 2009-01-28 Jakub Jelinek <jakub@redhat.com>
2415 PR rtl-optimization/38740
2416 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
2418 * config/mips/mips.c (mips_reorg): Likewise.
2420 2009-01-28 Richard Guenther <rguenther@suse.de>
2422 PR tree-optimization/38926
2423 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
2424 with the correct value id to a value.
2425 (do_regular_insertion): Use the value number of edoubleprime
2426 for the value number of the expr.
2429 2008-08-21 Richard Guenther <rguenther@suse.de>
2431 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
2432 a PHI ask VN if it is already available.
2433 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
2434 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
2436 2009-01-28 Jakub Jelinek <jakub@redhat.com>
2439 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
2440 set to varying whenever max has TREE_OVERFLOW set, similarly
2441 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
2443 2009-01-28 Richard Guenther <rguenther@suse.de>
2446 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
2447 uninitialized aggregate uses in call arguments.
2449 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
2451 PR tree-optimization/38984
2452 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
2453 the nothing_id variable if -fno-delete-null-pointer-checks.
2455 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
2458 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
2459 (set_got_offset_rex64): Ditto.
2461 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
2464 * doc/extend.texi: Improve local variable with asm reg.
2466 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
2468 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
2469 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
2470 was not supplied then set warn_packed_bitfield_compat to the
2472 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
2475 2009-01-27 Richard Guenther <rguenther@suse.de>
2477 PR tree-optimization/38503
2478 * cfgexpand.c (expand_gimple_basic_block): Ignore
2479 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
2480 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
2481 variables that cannot have TBAA applied.
2482 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
2485 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
2488 * calls.c (initialize_argument_information): Do not wrap complex
2489 arguments in SAVE_EXPR.
2491 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
2493 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
2494 (INSTALL_LIBGCC): Revert typo commit.
2496 2009-01-26 Richard Guenther <rguenther@suse.de>
2498 PR tree-optimization/38745
2499 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
2500 from special handling.
2502 2009-01-26 Richard Guenther <rguenther@suse.de>
2504 PR tree-optimization/38745
2505 * tree-ssa.c (execute_update_addresses_taken): Do not include
2506 variables that cannot possibly be a register in not_reg_needs.
2507 Do not clear TREE_ADDRESSABLE on vars that may not become
2509 * tree-ssa.c (update_alias_info_1): Include those in the set
2510 of addressable vars.
2512 2009-01-26 Richard Guenther <rguenther@suse.de>
2515 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
2516 * tree-ssa-dse.c: Include langhooks.h
2517 (execute_simple_dse): Remove stores with zero size.
2519 2009-01-24 Jakub Jelinek <jakub@redhat.com>
2522 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
2525 2009-01-24 Julian Brown <julian@codesourcery.com>
2527 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
2528 config/arm/linux-atomic.c.
2529 * config/arm/linux-atomic.c: New.
2531 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
2533 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
2534 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
2535 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
2537 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
2540 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
2543 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
2545 PR tree-optimization/38953
2546 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
2547 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
2548 (gloog): Split the exit of the scop when the scop exit is a loop exit.
2549 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
2552 2009-01-24 Paul Brook <paul@codesourcery.com>
2554 * config/arm/neon.md (neon_type): Move to arm.md.
2555 (neon_mov<VSTRUCT>): Add neon_type attribute.
2556 * config/arm/arm.md (neon_type): Move to here.
2557 (conds): Add "unconditioal" and use as default for NEON insns.
2559 2009-01-24 Ben Elliston <bje@au.ibm.com>
2561 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
2562 void *' warning from -Wc++-compat.
2563 * Makefile.in (dominance.o-warn): Remove.
2565 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
2567 PR tree-optimization/38932
2568 * fold-const.c (fold_unary_ignore_overflow): New.
2569 * tree.h (fold_unary_ignore_overflow): Declare.
2570 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
2571 * tree-ssa-sccvn.c (visit_reference_op_load,
2572 simplify_unary_expression): Likewise.
2574 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
2576 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
2577 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
2578 regardless of their type.
2579 * c-common.c (handle_packed_attribute): Don't ignore packed on
2581 * c.opt (Wpacked-bitfield-compat): New warning option.
2582 * stor-layout.c (place_field): Warn if offset of a field changed.
2583 * doc/extend.texi (packed): Mention the ABI change.
2584 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
2585 (Warning Options): Add it to the list.
2587 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
2589 * c-opts.c (c_common_post_options): Fix a typo in comments.
2591 2009-01-22 Steve Ellcey <sje@cup.hp.com>
2594 * gimplify.c (gimplify_init_constructor): Fix promotion of const
2595 variables to static.
2596 * doc/invoke.texi (-fmerge-all-constants): Update description.
2598 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
2601 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
2602 (*movdi_1_rex64): Use type "mmx" for alternative 5.
2604 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
2606 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
2608 (LOCAL_ALIGNMENT): Similarly.
2610 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2611 Joseph Myers <joseph@codesourcery.com>
2613 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
2614 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
2615 * config/arm/arm-tune.md: Regenerate.
2616 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
2619 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2621 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
2622 version number to five.
2624 2009-01-22 Dodji Seketeli <dodji@redhat.com>
2627 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
2628 * c-common.c (set_underlying_type): Likewise.
2629 (is_typedef_decl ): Likewise
2631 (set_underlying_type): Likewise.
2632 (is_typedef_type): Likewise.
2634 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
2637 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
2640 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
2643 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
2644 (LIBGCC_SPEC): Don't define.
2645 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
2647 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
2649 PR rtl-optimization/38879
2650 * alias.c (base_alias_check): Unaligned access via AND address can
2651 alias all surrounding object types except those with sizes equal
2652 or wider than the size of unaligned access.
2654 2009-01-21 Dodji Seketeli <dodji@redhat.com>
2657 * c-decl.c: (clone_underlying_type): Move this ...
2658 * c-common.c (set_underlying_type): ... here.
2659 Also, make sure the function properly sets TYPE_STUB_DECL() on
2660 the newly created typedef variant type.
2661 (is_typedef_decl ): New entry point.
2662 * tree.h: Added a new member member_types_needing_access_check to
2663 struct tree_decl_non_common.
2664 (set_underlying_type): New entry point.
2665 (is_typedef_type): Likewise.
2667 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
2669 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
2670 Check whether two instructions have memory references that
2671 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
2672 are helper functions for traversing.
2673 * alias.h (insn_alias_sets_confilict_p): New prototypes.
2674 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
2675 not to draw dependency edge for instructions with non-conflicting
2678 2009-01-20 Joseph Myers <joseph@codesourcery.com>
2681 * longlong.h: Update copyright years. Use soft-fp license notice.
2682 Sync __clz_tab declaration with glibc.
2684 2009-01-20 Steve Ellcey <sje@cup.hp.com>
2687 * doc/extend.texi (syscall_linkage): New.
2688 (version_id): Modify.
2690 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2691 Richard Guenther <rguenther@suse.de>
2693 PR tree-optimization/38747
2694 PR tree-optimization/38748
2695 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
2696 conversion if the base address is an indirect reference and the
2697 aliasing sets could cause issues.
2699 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2701 * common.opt (fgraphite, fgraphite-identity): Add comment for
2702 explaining why these options are not documented.
2704 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2706 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2707 gimple_call_lhs is NULL.
2709 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
2712 * emit-rtl.c (adjust_address_1): Make sure memref is never
2715 2009-01-20 Ben Elliston <bje@au.ibm.com>
2717 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2718 const qualifier from arg parameter. Remove unnecessary cast to char *.
2719 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2720 const qualifier from arg 2.
2722 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
2724 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
2726 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
2729 * rtl.h (reinit_regs): New prototype.
2730 * regclass.c: Include ira.h.
2732 * Makefile.in (regclass.o): Add ira.h.
2733 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2735 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
2738 * c-common.c (handle_aligned_attribute): Use
2739 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
2740 default alignment value.
2742 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
2744 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
2745 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
2747 * doc/extend.texi: Update __attribute__ ((aligned)). Document
2748 __BIGGEST_ALIGNMENT__.
2750 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2752 2009-01-18 Richard Guenther <rguenther@suse.de>
2754 PR tree-optimization/38819
2755 * tree-flow.h (operation_could_trap_helper_p): Declare.
2756 * tree-eh.c (operation_could_trap_helper_p): Export.
2757 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
2758 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
2759 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
2760 are about to insert a possibly trapping instruction and fail
2763 2009-01-18 Andreas Schwab <schwab@suse.de>
2765 * doc/install.texi (Configuration): Remove obsolete paragraph
2766 about use of --with-gnu-ld with --with-gnu-as.
2768 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
2770 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
2771 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
2772 Follow spelling conventions.
2774 2009-01-18 Ben Elliston <bje@au.ibm.com>
2776 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
2777 C++ warning about implicit conversion from void * to struct
2779 (bitmap_obstack_free): Likewise for bitmap_element *.
2780 * Makefile.in (bitmap.o-warn): Remove.
2782 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
2784 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
2786 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
2787 Tobias Grosser <tobi.grosser@amd.com>
2789 * graphite.c (graphite_trans_scop_block): Do not block single
2792 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
2794 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2795 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2796 test with assertion.
2798 2009-01-16 Richard Guenther <rguenther@suse.de>
2800 PR tree-optimization/38835
2802 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2803 and INT + PTR -> (INT)(PTR p+ INT) folding.
2804 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2806 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
2809 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2810 the subreg from a lowpart subreg if it is also casting the value.
2812 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2813 Tobias Grosser <tobi.grosser@amd.com>
2815 * graphite.c (compare_prefix_loops): New.
2816 (build_scop_canonical_schedules): Rewritten.
2817 (graphite_transform_loops): Move build_scop_canonical_schedules
2818 after build_scop_iteration_domain.
2820 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2821 Tobias Grosser <tobi.grosser@amd.com>
2823 * graphite.c (add_conditions_to_domain): Add the loops to
2824 the dimension of the iteration domain. Do copy the domain
2825 only when it exists.
2826 (build_scop_conditions_1): Do not call add_conditions_to_domain.
2827 (add_conditions_to_constraints): New.
2828 (can_generate_code_stmt, can_generate_code): Removed.
2829 (gloog): Do not call can_generate_code.
2830 (graphite_transform_loops): Call add_conditions_to_constraints
2831 after building the iteration domain.
2833 2009-01-16 Jakub Jelinek <jakub@redhat.com>
2835 PR tree-optimization/38789
2836 * tree-ssa-threadedge.c
2837 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2838 __builtin_constant_p.
2840 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
2842 * dce.c (delete_unmarked_insns): Reversed the order that insns are
2843 examined before deleting them.
2845 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
2847 * function.c (aggregate_value_p): Correctly extract the function
2848 type from CALL_EXPR_FN lookup.
2850 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2852 * config/picochip/picochip.c (picochip_override_options): Revert
2853 CFI asm flag disable commited previously.
2855 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
2856 Tobias Grosser <tobi.grosser@amd.com>
2857 Jan Sjodin <jan.sjodin@amd.com>
2859 * graphite.c (scan_tree_for_params): On substractions negate
2860 all the coefficients of the term.
2861 (clast_to_gcc_expression_red): New. Handle reduction expressions
2862 of more than two operands.
2863 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2864 (get_vdef_before_scop): Handle also the case of default definitions.
2866 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2868 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2869 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2870 Also use them when walking CALL_INSN_FUNCTION_USAGE.
2872 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
2873 Joey Ye <joey.ye@intel.com>
2876 * cfgexpand.c (expand_stack_alignment): Don't update stack
2877 boundary nor check incoming stack boundary here.
2878 (gimple_expand_cfg): Update stack boundary and check incoming
2879 stack boundary here.
2881 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
2883 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2885 2009-01-14 Jakub Jelinek <jakub@redhat.com>
2887 PR rtl-optimization/38245
2888 * calls.c (expand_call): Add stack arguments to
2889 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2890 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2891 in regs and partially in memory or BLKmode arguments.
2892 (emit_library_call_value_1): Add stack arguments to
2893 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2894 ACCUMULATE_OUTGOING_ARGS).
2895 * dce.c: Include tm_p.h.
2896 (find_call_stack_args): New function.
2897 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
2899 (mark_insn): Call find_call_stack_args for CALL_Ps.
2900 (prescan_insns_for_dce): Walk insns backwards in bb rather than
2901 forwards. Allocate and free arg_stores bitmap if needed, pass it
2902 down to deletable_insn_p, don't mark stores set in arg_stores
2903 bitmap, clear the bitmap at the beginning of each bb.
2904 * Makefile.in (dce.o): Depend on $(TM_P_H).
2906 2009-01-14 Michael Meissner <gnu@the-meissners.org>
2909 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2910 to make sure the insn is a conditional test (bug 22599). Reformat a
2913 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
2916 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2917 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2918 (gloog): Do not call cleanup_tree_cfg.
2919 (graphite_transform_loops): Call cleanup_tree_cfg after all
2920 scops have been code generated.
2922 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2923 * doc/gty.texi (Invoking the garbage collector): Added new node
2924 and section documenting ggc_collect.
2926 2009-01-14 Richard Guenther <rguenther@suse.de>
2928 PR tree-optimization/38826
2930 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2931 initialization notes only if we actually emitted a warning.
2932 (intra_create_variable_infos): Add constraints for a result decl
2933 that is passed by hidden reference.
2934 (build_pred_graph): Mark all related variables non-direct on
2937 2009-01-14 Nick Clifton <nickc@redhat.com>
2939 * ira-conflicts.c: Include addresses.h for the definition of
2941 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2942 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2944 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2947 * Makefile.in (ira-lives.o): Add except.h.
2949 * ira-lives.c: Include except.h.
2950 (process_bb_node_lives): Process can_throw_internal.
2952 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2954 PR rtl-optimization/38774
2955 * combine.c (simplify_set): When undoing cc_use change, don't do
2956 PUT_CODE on the newly created comparison, but instead put back the
2959 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2961 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2962 values. Remove duplicate arm8 entry.
2964 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2966 PR tree-optimization/38786
2967 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2968 the SSA_NAME case of expand_scalar_variables_expr.
2969 Set the type of an expression to the type of its assign statement.
2970 (expand_scalar_variables_expr): Also gather the scalar computation
2971 used to index the memory access. Do not pass loop_p.
2972 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2973 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2974 the gimple_stmt_iterator where it inserts new code.
2976 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2977 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2979 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2981 * graphite.h (debug_value): Removed.
2982 * graphite.c (debug_value): Removed.
2984 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2986 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2987 ldrd/strd with two 32-bit instructions.
2989 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2991 * config/arm/arm.c (struct processors): Pass for speed down into
2992 cost helper functions.
2993 (const_ok_for_op): Handle COMPARE and inequality nodes.
2994 (arm_rtx_costs_1): Rewrite.
2995 (arm_size_rtx_costs): Update prototype.
2996 (arm_rtx_costs): Pass speed down to helper functions.
2997 (arm_slowmul_rtx_costs): Rework cost calculations.
2998 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2999 (arm_9e_rtx_costs): Likewise.
3001 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
3003 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
3004 relocations of local symbols wider than UNITS_PER_WORD are not valid.
3005 (alpha_legitimize_address): Do not split local symbols wider than
3006 UNITS_PER_WORD into HIGH/LO_SUM parts.
3008 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
3011 * gcc.c (process_command): Replace call to execvp with calls
3012 to pex_one and exit.
3014 2009-01-03 Anatoly Sokolov <aesok@post.ru>
3017 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
3018 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
3019 variant for devices with 3-byte PC.
3020 (__tablejump_elpm__) : New.
3022 2009-01-12 Jakub Jelinek <jakub@redhat.com>
3025 * c-parser.c (c_parser_postfix_expression): Allow `->' in
3026 offsetof member-designator, handle it as `[0].'.
3028 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3030 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
3031 function when not using named sections on targets with named sections
3032 if branch distance is less than 262132.
3034 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
3036 * combine.c (combine_instructions): Recompute
3037 optimize_this_for_speed_p for each BB in the main combine loop.
3039 2009-01-12 Tomas Bily <tbily@suse.cz>
3042 * tree-loop-distribution.c (prop_phis): New function.
3043 (generate_builtin): Call prop_phis.
3044 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
3046 2009-01-12 Jakub Jelinek <jakub@redhat.com>
3048 PR tree-optimization/38807
3049 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
3050 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
3052 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
3054 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
3055 subreg of op0 to the original op0.
3057 2009-01-11 Laurent GUERBY <laurent@guerby.net>
3059 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
3061 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
3064 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
3065 starting with digits.
3067 2009-01-10 Jakub Jelinek <jakub@redhat.com>
3070 * config/arm/arm.c (arm_is_long_call_p): Don't call
3071 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
3073 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
3075 * regrename.c (regrename_optimize): Fix dumping.
3076 (find_oldest_value_reg): Preserve REG_POINTER.
3077 (copy_hardreg_forward_1): Likewise.
3079 2009-01-09 Diego Novillo <dnovillo@google.com>
3081 * gimple.h (struct gimple_statement_base) <uid>: Document
3082 the restrictions on its use.
3084 (gimple_set_uid): Tidy.
3086 2009-01-09 Jakub Jelinek <jakub@redhat.com>
3088 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
3089 zero guard even if align_bytes != 0 and count is smaller than
3092 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
3094 PR rtl-optimization/38495
3095 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
3096 (add_range_and_copies_from_move_list): Print all added ranges.
3097 Add ranges to memory optimized destination.
3099 2009-01-09 Jakub Jelinek <jakub@redhat.com>
3103 * config/i386/i386.c (override_options): Reject
3104 -mstringop-strategy=rep_8byte with -m32.
3105 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
3106 to 1. Do count comparison against epilogue_size_needed at compile
3107 time even when count_exp was constant forced into register. For
3108 size_needed don't jump to epilogue, instead just avoid aligning
3109 and invoke the body algorithm. If need_zero_guard, add zero guard
3110 even if count is non-zero, but smaller than size_needed + number of
3111 bytes that could be stored for alignment.
3112 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
3113 to 1. If need_zero_guard, add zero guard even if count is non-zero,
3114 but smaller than size_needed + number of bytes that could be stored
3115 for alignment. Compare size_needed with epilogue_size_needed instead
3116 of desired_align - align, don't adjust size_needed, pass
3117 epilogue_size_needed to the epilogue expanders.
3120 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
3122 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3124 * pa.c (last_address): Change to unsigned.
3125 (update_total_code_bytes): Change argument to unsigned. Don't
3126 check if insn addresses are set.
3127 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
3128 addresses are not set.
3129 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
3131 2009-01-09 Nick Clifton <nickc@redhat.com>
3133 * config/sh/symbian.c: Replace uses of DECL_INLINE with
3134 DECL_DECLARED_INLINE_P.
3136 2009-01-09 Jakub Jelinek <jakub@redhat.com>
3139 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
3140 GET_MODE (op0) in operand_subword_force calls.
3143 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
3144 fold_convert arg0 operands to TREE_TYPE (op0) first.
3146 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
3148 * params.def (ira-max-conflict-table-size): Decrease default value
3151 2009-01-08 Jakub Jelinek <jakub@redhat.com>
3153 PR tree-optimization/37031
3154 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
3156 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
3157 allocate it using gc instead of heap, use VEC_quick_push instead of
3159 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
3160 instead of heap, use VEC_quick_push instead of VEC_safe_push.
3161 * tree-data-ref.h (struct access_matrix): Change matrix to gc
3162 allocated vector from heap allocated.
3163 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
3164 * tree-loop-linear.c (linear_transform_loops): Allocate nest
3165 vector only after perfect_loop_nest_depth call.
3167 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
3168 Jan Sjodin <jan.sjodin@amd.com>
3170 PR tree-optimization/38559
3171 * graphite.c (debug_value, copy_constraint,
3172 swap_constraint_variables, scale_constraint_variable, ): New.
3173 (get_lower_bound, get_upper_bound): Removed.
3174 (graphite_trans_bb_strip_mine): Clean up this code that works
3175 only for constant number of iterations. Fully copy upper and
3176 lower bound constraints, not only the constant part of them.
3177 * graphite.h (debug_value): Declared.
3179 2009-01-08 Ira Rosen <irar@il.ibm.com>
3181 PR tree-optimization/37194
3182 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
3183 Don't add the cost of cost model guard in prologue to scalar
3184 outside cost in case of known number of iterations.
3186 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
3187 Alan Modra <amodra@bigpond.net.au>
3189 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
3190 non-word-aligned REG+CONST addressing.
3192 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
3195 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
3196 free_after_compilation when outputting a thunk.
3197 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
3198 Do not call free_after_compilation here.
3200 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
3202 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
3203 (ix86_valid_target_attribute_inner_p): Ditto.
3205 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
3207 PR tree-optimization/38492
3208 PR tree-optimization/38498
3209 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
3210 * tree-chrec.h (scev_is_linear_expression): Declared.
3211 * graphite.c (graphite_cannot_represent_loop_niter): New.
3212 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
3213 (graphite_loop_normal_form): Use gcc_assert.
3214 (scan_tree_for_params): Use CASE_CONVERT.
3215 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
3216 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
3217 Use gcc_assert. Discard scops that contain unhandled cases.
3218 (build_scop_conditions): Return a boolean status for unhandled cases.
3219 (strip_mine_profitable_p): Print the loop number, not its depth.
3220 (is_interchange_valid): Pass the depth of the loop nest, don't
3221 recompute it wrongly.
3222 (graphite_trans_bb_block): Same.
3223 (graphite_trans_bb_block): Print tentative of loop blocking.
3224 (graphite_trans_scop_block): Do not print that the loop has been
3226 (graphite_transform_loops): Do not handle scops that contain condition
3229 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
3231 AVX Programming Reference (December, 2008)
3232 * config/i386/avxintrin.h (_mm256_stream_si256): New.
3233 (_mm256_stream_pd): Likewise.
3234 (_mm256_stream_ps): Likewise.
3236 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
3237 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
3238 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
3239 (bdesc_special_args): Add __builtin_ia32_movntdq256,
3240 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
3241 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
3242 (ix86_expand_special_args_builtin): Likewise.
3244 * config/i386/sse.md (AVXMODEDI): New.
3245 (avx_movnt<mode>): Likewise.
3246 (avx_movnt<mode>): Likewise.
3247 (<sse>_movnt<mode>): Remove AVX support.
3248 (sse2_movntv2di): Likewise.
3250 2009-01-07 Richard Guenther <rguenther@suse.de>
3253 * fold-const.c (extract_muldiv): Remove obsolete comment.
3254 (fold_plusminus_mult_expr): Undo MINUS_EXPR
3255 to PLUS_EXPR canonicalization for the canonicalization.
3257 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
3259 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
3260 hosted cross-compilers generating less efficient code.
3262 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
3264 * function.h (rtl_data): Add a dbr_scheduled_p field.
3265 * reorg.c (dbr_schedule): Set it.
3266 (gate_handle_delay_slots): Check it.
3267 * config/mips/mips.c (mips_base_delayed_branch): Delete.
3268 (mips_reorg): Check flag_delayed_branch instead of
3269 mips_base_delayed_branch.
3270 (mips_override_options): Don't set mips_base_delayed_branch
3271 or flag_delayed_branch.
3273 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
3275 PR rtl-optimization/38426.
3276 * ira.c (ira): Set current_function_is_leaf earlier.
3278 2009-01-06 Jakub Jelinek <jakub@redhat.com>
3280 PR rtl-optimization/38722
3281 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
3282 too early, only set a flag and modify after last possible
3285 2009-01-06 Janis Johnson <janis187@us.ibm.com>
3288 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
3289 * real.c (decimal_single_format): Correct values of emin and emax.
3290 (decimal_double_format): Ditto.
3291 (decimal_quad_format): Ditto.
3292 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
3293 computation of DECnn_MIN and DECnn_MAX for corrected values of
3294 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
3295 __DECnn_MIN__, and adjust its computation for the corrected value
3298 2009-01-06 Jan Hubicka <jh@suse.cz>
3301 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
3303 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
3305 * doc/contrib.texi (Contributors): Slightly adjust the end note.
3306 Add Robert Clark to the list of testers.
3308 2009-01-06 Jan Hubicka <jh@suse.cz>
3309 Kai Tietz <kai.tietz@onevision.com>
3311 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
3312 * config/i386/i386.c (ix86_expand_call): Add clobbers.
3314 2009-01-06 Jan Hubicka <jh@suse.cz>
3315 Kai Tietz <kai.tietz@onevision.com>
3317 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
3319 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
3320 (ix86_nsaved_regs): Count only general purpose regs.
3321 (ix86_nsaved_sseregs): New.
3322 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
3323 to 16 for w64; compute padding and size of sse reg save area.
3324 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
3325 general purpose regs.
3326 (ix86_emit_save_sse_regs_using_mov): New.
3327 (ix86_expand_prologue): Save SSE regs if needed.
3328 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
3329 (ix86_emit_restore_sse_regs_using_mov): New.
3330 (ix86_expand_epilogue): Save SSE regs if needed.
3332 2009-01-06 Jan Hubicka <jh@suse.cz>
3333 Kai Tietz <kai.tietz@onevision.com>
3335 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
3336 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
3337 functions when accumulate outgoing args is off.
3339 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
3342 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
3343 before using pseudos_have_intersected_live_ranges_p.
3345 * ira-int.h (ira_assert): Always define.
3347 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
3349 AVX Programming Reference (December, 2008)
3350 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
3351 (_mm256_permute2_pd): Likewise.
3352 (_mm_permute2_ps): Likewise.
3353 (_mm256_permute2_ps): Likewise.
3354 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
3355 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
3357 * config/i386/i386.c (ix86_builtins): Remove
3358 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
3359 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
3360 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
3361 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
3362 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
3363 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
3364 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
3365 __builtin_ia32_vpermil2ps256.
3366 (ix86_init_mmx_sse_builtins): Updated.
3367 (ix86_expand_args_builtin): Likewise.
3369 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3371 * pa.c (output_call): Relocate non-jump insns in the delay slot of
3372 long absolute calls when generating PA 2.0 code.
3374 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
3376 PR rtl-optimization/38583
3377 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
3379 * params.def (ira-max-conflict-table-size): New.
3381 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
3383 * ira.h (ira_conflicts_p): New external definition.
3385 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
3386 table. Report this. Return result of building.
3387 (ira_build_conflicts): Use ira_conflicts_p. Check result of
3388 building conflict table.
3390 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
3391 (ira_color): Use ira_conflicts_p.
3393 * global.c: Include ira.h.
3394 (pseudo_for_reload_consideration_p, build_insn_chain): Use
3397 * Makefile.in (global.o): Add ira.h.
3399 * ira-build.c (mark_all_loops_for_removal,
3400 propagate_some_info_from_allocno): New.
3401 (remove_unnecessary_allocnos): Call
3402 propagate_some_info_from_allocno.
3403 (remove_low_level_allocnos): New.
3404 (remove_unnecessary_regions): Add parameter. Call
3405 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
3406 parameter to remove_unnecessary_regions.
3407 (ira_build): Remove all regions but root if the conflict table was
3408 not built. Update conflict hard regs for allocnos crossing calls.
3410 * ira.c (ira_conflicts_p): New global.
3411 (ira): Define and use ira_conflicts_p.
3413 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
3414 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
3415 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
3417 2009-01-06 Ben Elliston <bje@au.ibm.com>
3419 * gengtype-lex.l (YY_NO_INPUT): Define.
3421 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
3424 * c-common.c (handle_vector_size_attribute): Also reject
3427 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
3429 PR tree-optimization/38492
3430 * graphite.c (rename_map_elt, debug_rename_elt,
3431 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
3432 rename_map_elt_info, eq_rename_map_elts,
3433 get_new_name_from_old_name, bb_in_sese_p): Moved around.
3434 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
3435 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
3436 (sese_build_livein_liveouts): New.
3437 (new_sese, free_sese): New.
3438 (new_scop): Call new_sese.
3439 (free_scop): Call free_sese.
3440 (rename_variables_from_edge, rename_phis_end_scop): Removed.
3441 (register_old_new_names): Renamed register_old_and_new_names.
3442 (register_scop_liveout_renames, add_loop_exit_phis,
3443 insert_loop_close_phis, struct igp,
3444 default_liveout_before_guard, add_guard_exit_phis,
3445 insert_guard_phis, copy_renames): New.
3446 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
3447 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
3448 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
3449 (scop_adjust_phis_for_liveouts): New.
3450 (gloog): Call scop_adjust_phis_for_liveouts.
3452 * graphite.h (struct sese): Documented. Added fields liveout,
3454 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
3455 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
3456 (struct scop): Added field liveout_renames.
3457 (SCOP_LIVEOUT_RENAMES): New.
3459 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
3461 PR tree-optimization/38510
3462 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
3463 (translate_clast): Call recompute_all_dominators before
3465 (gloog): Call recompute_all_dominators before graphite_verify.
3467 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
3468 Jan Sjodin <jan.sjodin@amd.com>
3470 PR tree-optimization/38500
3471 * graphite.c (create_sese_edges): Call fix_loop_structure after
3474 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
3476 * config.gcc: Add m32r*-*-rtems*.
3477 * config/m32r/rtems.h: New file.
3479 2009-01-05 Ben Elliston <bje@au.ibm.com>
3481 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
3482 (.po.pox): Likewise.
3483 (po/gcc.pot): Likewise.
3485 2009-01-04 David S. Miller <davem@davemloft.net>
3487 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
3488 (STARTING_FRAME_OFFSET): Always set to zero.
3490 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
3492 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
3493 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
3494 fixed-point types, and vectors of the same.
3496 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
3498 * config/mips/sync.md (*mb_barrier): Rename to...
3499 (*memory_barrier): ...this.
3501 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
3503 * doc/extend.texi (Function Attributes): Move @cindex after @item
3504 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
3505 and put in alphabetical order. Fix 'target' name and put in order.
3506 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
3509 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
3511 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
3512 (memory_barrier): Expand as unspec instead of unspec_volatile.
3513 Remove mem:BLK from insn operands. Use Pmode scratch register.
3514 (*memory_barrier): Define as unspec instead of unspec_volatile.
3515 Use (match_dup 0) as input operand.
3517 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
3518 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
3519 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
3520 scratch register. Remove operand 1.
3521 (*stbar): Define as unspec instead of unspec_volatile.
3522 Use (match_dup 0) as input operand, remove (const_int 8).
3523 (*membar): Define as unspec instead of unspec_volatile.
3524 Use (match_dup 0) as input operand, remove input operand 2.
3526 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
3527 (memory_barrier): Expand as unspec instead of unspec_volatile.
3528 Remove mem:BLK from insn operands. Use Pmode scratch register.
3529 (*memory_barrier): Define as unspec instead of unspec_volatile.
3530 Use (match_dup 0) as input operand.
3532 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
3533 Remove mem:BLK from insn operands. Use Pmode scratch register.
3534 Set volatile flag on operand 0.
3535 (*memory_barrier): New insn pattern.
3537 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
3539 (*memory_barrier): Use (match_dup 0) as input operand.
3541 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
3542 Remove mem:BLK from insn operands. Use Pmode scratch register.
3543 Set volatile flag on operand 0.
3544 (*mb_internal): New insn pattern.
3546 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
3548 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
3551 * function.c (struct temp_slot): Move to the section of the file
3552 that deals with temp slots. Remove field 'address'.
3553 (temp_slot_address_table): New hash table of address -> temp slot.
3554 (struct temp_slot_address_entry): New struct, items for the table.
3555 (temp_slot_address_compute_hash, temp_slot_address_hash,
3556 temp_slot_address_eq, insert_temp_slot_address): Support functions
3558 (find_temp_slot_from_address): Rewrite to use the new hash table.
3559 (remove_unused_temp_slot_addresses): Remove addresses of temp
3560 slots that have been made available.
3561 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
3562 worker function for remove_unused_temp_slot_addresses.
3563 (assign_stack_temp_for_type): Don't clear the temp slot address list.
3564 Add the temp slot address to the address -> temp slot map.
3565 (update_temp_slot_address): Update via insert_temp_slot_address.
3566 (free_temp_slots): Call remove_unused_temp_slot_addresses.
3567 (pop_temp_slots): Likewise.
3568 (init_temp_slots): Allocate the address -> temp slot map, or empty
3569 the map if it is already allocated.
3570 (prepare_function_start): Initialize temp slot processing.
3572 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
3575 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
3576 Calculate the size of all stack vars assuming no packing of stack
3577 vars will happen, replacing a quadratic algorithm with a linear one.
3579 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3582 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
3585 2009-01-03 Diego Novillo <dnovillo@google.com>
3587 * doc/contrib.texi: Update contributions.
3589 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3592 * builtins.c (fold_builtin_memory_op): Give up if either operand
3593 is volatile. Set srctype or desttype to non-qualified version
3597 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
3600 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
3602 PR rtl-optimization/35805
3603 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
3604 problem if fast dce is able to remove any instructions.
3605 * dce.c (dce_process_block): Fix dump message.
3607 2009-01-02 Mark Mitchell <mark@codesourcery.com>
3610 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
3612 2009-01-02 Jakub Jelinek <jakub@redhat.com>
3615 * tree-flow.h (op_code_prio, op_prio): New prototypes.
3616 * tree-pretty-print.c (op_code_prio): New function.
3617 (op_prio): No longer static. Use op_code_prio.
3618 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
3619 Use op_prio and op_code_prio to determine if () should be
3620 printed around operand(s) or not.
3622 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
3623 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
3624 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
3625 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
3626 pp_character instead of pp_string for single letter printing.
3628 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3630 * doc/extend.texi: Fix '#pragma GCC option' typo.
3632 2009-01-02 Richard Guenther <rguenther@suse.de>
3634 * doc/install.texi (--enable-checking): Mention different
3636 (--enable-stage1-checking): Document.
3638 2009-01-01 Andrew Pinski <pinskia@gmail.com>
3641 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
3642 case to be an error.
3644 2009-01-02 Ben Elliston <bje@au.ibm.com>
3646 * config/fp-bit.h (pack_d): Constify argument.
3647 * config/fp-bit.c (makenan): Constify return type. Remove casts.
3648 (isnan): Constify argument.
3652 (_fpadd_parts): Constify return type.
3653 (_fpmul_parts): Likewise.
3654 (_fpdiv_parts): Likewise.
3656 2009-01-01 Jakub Jelinek <jakub@redhat.com>
3659 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
3660 warn about overwriting initializer with side-effects or
3661 -Woverride-init if !IMPLICIT.
3662 (output_init_element): Likewise. Pass IMPLICIT down to
3664 (process_init_element): Add IMPLICIT argument. Pass it down
3665 to output_init_element.
3666 (push_init_element, pop_init_level, set_designator): Adjust
3667 process_init_element callers.
3668 (set_nonincremental_init, set_nonincremental_init_from_string):
3669 Adjust add_pending_init callers.
3670 (output_pending_init_elements): Adjust output_init_element callers.
3671 * c-tree.h (process_init_element): Adjust prototype.
3672 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
3673 process_init_element callers.