1 2009-03-28 Richard Guenther <rguenther@suse.de>
3 PR tree-optimization/38513
4 * tree-ssa-pre.c (eliminate): Remove redundant stores.
5 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
6 EXC_PTR_EXPR and FILTER_EXPR.
7 (get_ref_from_reference_ops): Likewise.
9 2009-03-28 Richard Guenther <rguenther@suse.de>
11 PR tree-optimization/38968
12 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
13 Use FLOOR_MOD_EXPR to compute misalignment.
15 2009-03-28 Richard Guenther <rguenther@suse.de>
17 PR tree-optimization/37795
18 * tree.h (combine_comparisons): Declare.
19 * fold-const.c (combine_comparisons): Export.
20 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
22 (ifcombine_iforif): Use combine_comparisons.
24 2009-03-28 Jan Hubicka <jh@suse.cz>
26 * tree-eh.c (inlinable_call_p): New function.
27 (make_eh_edges): Use it.
28 (verify_eh_edges): Use it.
29 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
30 * except.c (reachable_next_level): Add inlinable_function argument
31 (sjlj_find_directly_reachable_regions): Update.
32 (add_reachable_handler): Do not set saw_any_handlers.
33 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
34 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
35 Add new inlinable call parameter.
36 (can_throw_internal, can_throw_external): Update.
37 * except.h (can_throw_internal_1, can_throw_external_1,
38 foreach_reachable_handler): Update declaration.
40 2009-03-28 Joseph Myers <joseph@codesourcery.com>
42 * config/arm/t-arm-coff, config/h8300/coff.h,
43 config/i386/i386-aout.h, config/i386/i386-coff.h,
44 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
45 config/pdp11/2bsd.h, config/rs6000/aix41.h,
46 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
47 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
48 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
50 * Makefile.in: Remove protoize and fixproto support and references
52 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
53 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
55 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
56 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
58 (rest.encap): Don't depend on $(STMP_FIXPROTO)
59 (.PHONY): Don't depend on proto.
60 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
61 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
62 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
63 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
64 build/gen-protos.o, build/scan.o, xsys-protos.h,
65 build/fix-header$(build_exeext), build/fix-header.o,
66 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
67 stmp-install-fixproto): Remove.
68 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
69 SYSCALLS.c or fixproto files.
70 (install-common): Don't install protoize.
71 (install-headers-tar, install-headers-cpio, install-headers-cp):
72 Don't depend on $(STMP_FIXPROTO).
73 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
74 install fixproto files or write out fixproto settings.
75 (uninstall): Don't uninstall protoize.
76 * config.gcc (use_fixproto): Remove.
77 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
78 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
79 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
80 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
81 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
82 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
83 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
84 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
85 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
86 * config/t-vxworks (STMP_FIXPROTO): Remove.
87 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
88 STMP_FIXPROTO): Remove.
89 * config.in, configure: Regenerate.
90 * crtstuff.c (gid_t, uid_t): Don't undefine.
91 * doc/install.texi: Change m68k-coff to m68k-elf in example.
92 (arm-*-coff, arm-*-aout: Remove target entries.
93 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
94 Remove mention of AIX 4.1.
95 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
96 * doc/invoke.texi (Running Protoize): Remove.
97 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
98 (Protoize Caveats): Remove.
99 * tsystem.h: Update comments on headers assumed to exist.
101 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
103 * genautomata.c: Add a new year to the copyright. Add a new
105 (struct insn_reserv_decl): Add comments for member bypass_list.
106 (find_bypass): Remove.
107 (insert_bypass): New.
108 (process_decls): Use insert_bypass.
109 (output_internal_insn_latency_func): Output all bypasses with the
110 same input insn in one switch case.
112 * rtl.def (define_bypass): Describe bypass choice.
113 * doc/md.texi (define_bypass): Ditto.
115 2009-03-27 Richard Guenther <rguenther@suse.de>
117 * gimplify.c (mark_addressable): Export.
118 * tree-flow.h (mark_addressable): Declare.
119 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
120 * tree-ssa.c (verify_phi_args): Verify that address taken
121 variables have TREE_ADDRESSABLE set.
123 2009-03-27 Richard Guenther <rguenther@suse.de>
125 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
126 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
127 Do not mark decls TREE_ADDRESSABLE.
128 (build_fold_addr_expr): Adjust.
129 (fold_addr_expr): Remove.
130 (fold_unary): Use build_fold_addr_expr.
131 (fold_comparison): Likewise.
132 (split_address_to_core_and_offset): Likewise.
133 * coverage.c (tree_coverage_counter_addr): Mark the array decl
135 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
136 (gimplify_modify_expr_to_memcpy): Mark source and destination
138 * omp-low.c (create_omp_child_function): Mark the object decl
140 (lower_rec_input_clauses): Mark the var we take the address of
142 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
144 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
147 * cfgexpand.c (expand_one_stack_var_at): Change alignment
148 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
150 2009-03-27 Richard Guenther <rguenther@suse.de>
152 PR tree-optimization/39120
153 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
155 (handle_lhs_call): Process return constraints. Add escape
156 constraints if necessary.
157 (handle_const_call): Fill out return constraints. Make nested
158 case more precise. Avoid consttmp if possible.
159 (handle_pure_call): Fill out return constraints. Avoid
160 callused if possible.
161 (find_func_aliases): Simplify call handling.
163 2009-03-27 Richard Guenther <rguenther@suse.de>
165 PR tree-optimization/39120
166 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
168 (solve_graph): Do propagate CALLUSED.
169 (handle_pure_call): Use a scalar constraint from CALLUSED for
171 (find_what_p_points_to): CALLUSED shall not appear in poins-to
174 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
177 * c-common.c (handle_aligned_attribute): Properly check alignment
178 overflow. Use (1U << i) instead of (1 << i).
180 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for
183 * expr.h (get_mem_align_offset): Updated.
185 * tree.h (tree_decl_common): Change align to "unsigned int" and
186 move it before pointer_alias_set.
188 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
189 Jakub Jelinek <jakub@redhat.com>
192 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
193 gr_register_operand with gr_reg_or_0_operand.
194 (cmpxchg_rel_di): Likewise.
195 (sync_lock_test_and_set<mode>): Likewise.
197 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
199 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
200 (true_regnum): Likewise.
202 * rtlanal.c (subreg_info): Moved to ...
203 * rtl.h (subreg_info): Here. New.
204 (subreg_get_info): New.
206 * rtlanal.c (subreg_get_info): Make it extern.
208 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
211 * config/i386/i386.c (ix86_abi): New.
212 (override_options): Handle -mabi=.
213 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with
215 (ix86_call_abi_override): Likewise.
216 (init_cumulative_args): Likewise.
217 (function_arg_advance): Likewise.
218 (function_arg_64): Likewise.
219 (function_arg): Likewise.
220 (ix86_pass_by_reference): Likewise.
221 (ix86_function_value_regno_p): Likewise.
222 (ix86_build_builtin_va_list_abi): Likewise.
223 (setup_incoming_varargs_64): Likewise.
224 (is_va_list_char_pointer): Likewise.
225 (ix86_init_machine_status): Likewise.
226 (ix86_reg_parm_stack_space): Use enum calling_abi on
228 (ix86_function_type_abi): Return enum calling_abi. Rewrite
229 for 64bit. Replace DEFAULT_ABI with ix86_abi.
230 (ix86_function_abi): Make it static and return enum
232 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
234 (ix86_fn_abi_va_list): Updated.
236 * config/i386/i386.h (ix86_abi): New.
237 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
238 (CONDITIONAL_REGISTER_USAGE): Likewise.
239 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
240 (machine_function): Likewise.
242 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
244 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
245 (STACK_BOUNDARY): Likewise.
246 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
248 * config/i386/i386.opt (mabi=): New.
250 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
251 return enum calling_abi.
252 (ix86_function_type_abi): Likewise.
253 (ix86_function_abi): Removed.
255 * doc/invoke.texi: Document -mabi= option for x86.
257 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
259 * builtins.c (real_dconstp): Delete.
260 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
262 2009-03-27 Dodji Seketeli <dodji@redhat.com>
263 Jakub Jelinek <jakub@redhat.com>
266 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
267 (gen_subprogram_die): When a function is explicit, generate the
268 DW_AT_explicit attribute.
269 * langhooks.h (struct lang_hooks_for_decls): Add
270 function_decl_explicit_p langhook.
271 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
272 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
274 2009-03-27 Jakub Jelinek <jakub@redhat.com>
276 * builtins.c (fold_builtin_memory_op): Optimize memmove
277 into memcpy if we can prove source and destination don't overlap.
279 * tree-inline.c: Include gt-tree-inline.h.
280 (clone_fn_id_num): New variable.
281 (clone_function_name): New function.
282 (tree_function_versioning): Use it.
283 * Makefile.in (GTFILES): Add tree-inline.c.
285 2009-03-27 Mark Mitchell <mark@codesourcery.com>
287 * BASE-VER: Change to 4.5.0.
289 2009-03-27 Xinliang David Li <davidxl@google.com>
291 PR tree-optimization/39557
292 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
294 2009-03-27 Xinliang David Li <davidxl@google.com>
296 PR tree-optimization/39548
297 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
300 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
302 * c-common.c (pointer_int_sum): Use %wd on return from
305 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
307 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
308 on return from tree_low_cst.
310 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
313 * ginclude/stdarg.h (va_copy): Define also for __GXX_EXPERIMENTAL_CXX0X__.
315 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
318 * builtins.h (c_strlen): Do not warn here.
319 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
320 * c-common.c (pointer_int_sum): Take an explicit location.
321 Warn about offsets out of bounds.
322 * c-common.h (pointer_int_sum): Adjust declaration.
324 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
326 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
329 2009-03-26 Jakub Jelinek <jakub@redhat.com>
332 * opts.c (warn_if_disallowed_function_p): Don't assume
333 get_callee_fndecl must return non-NULL.
335 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
337 PR rtl-optimization/39522
338 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
339 when reg_reloaded_valid is set.
341 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
343 * config/spu/divv2df3.c: New file.
344 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
345 (DPBIT_FUNCS): Filter out _div_df.
347 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
349 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
350 a jump insn, count that jump in the distance to the loop start.
352 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
355 * config/sh/sh.c (calc_live_regs): Fix condition for global
356 registers except PIC_OFFSET_TABLE_REGNUM.
358 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
361 * doc/invoke.texi (-mconsole): New.
365 (-mnop-fun-dllimport): New.
369 (sub section "i386 and x86-64 Windows Options"): New.
371 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
373 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
374 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
376 2009-03-25 Richard Guenther <rguenther@suse.de>
379 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
382 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
384 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
385 neither of haifa/selective schedulers are working.
387 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
389 * doc/invoke.texi (Debugging Options): Fix description of
390 -fno-merge-debug-strings.
392 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
394 * config/cris/libgcc.ver: New version-script.
395 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
397 * configure.ac <GAS features, nop mnemonic>: Add pattern
398 crisv32-*-* for "nop".
399 <GAS features, Thread-local storage>: Add item for CRIS and
401 * configure: Regenerate.
403 2009-03-24 Ira Rosen <irar@il.ibm.com>
405 PR tree-optimization/39529
406 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
407 mark_sym_for_renaming for the tag copied to the new vector
410 2009-03-24 Arthur Loiret <aloiret@debian.org>
412 * config.host (alpha*-*-linux*): Use driver-alpha.o and
414 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
415 EXTRA_SPEC_FUNCTIONS.
416 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
417 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
418 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
419 -march and -mtune options.
421 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
423 * config/m68k/t-rtems: Add m5329 multilib.
425 2009-03-24 Dodji Seketeli <dodji@redhat.com>
426 Jakub Jelinek <jakub@redhat.com>
429 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
432 2009-03-23 Jakub Jelinek <jakub@redhat.com>
435 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
436 instead of c_parser_expression_conv, if original_code isn't one of the
437 4 allowed comparison codes, fail.
439 2009-03-23 Richard Guenther <rguenther@suse.de>
441 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
442 * tree.h (struct tree_type): Likewise.
443 * reload.h (struct insn_chain): Likewise.
444 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
445 * function.h (struct function): Likewise.
446 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
448 2009-03-23 Jakub Jelinek <jakub@redhat.com>
450 PR tree-optimization/39516
451 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
453 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
455 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
456 should be set true if BITS_PER_WORD of target is bigger than 32
458 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
460 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
461 Translate -B-options to -rpath-link. Correct existing
462 rpath-link and conditionalize on !nostdlib.
464 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
466 * doc/extend.texi (Function Attributes, Variable Attributes):
468 * doc/invoke.texi (Debugging Options, Optimize Options)
469 (i386 and x86-64 Options, MCore Options): Likewise.
471 2009-03-20 Jakub Jelinek <jakub@redhat.com>
474 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
475 it for block local namespace aliases.
476 (gen_decl_die): Pass context_die to gen_namespace_die.
478 2009-03-19 Jakub Jelinek <jakub@redhat.com>
481 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
482 minimum or maximum value.
484 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
486 * reginfo.c (globalize_reg): Recompute derived reg sets.
488 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
491 * libgcc2.c (mprotect): Do not use signed arguments for
492 VirtualProtect, use DWORD arguments. Also fix the 'may
493 be used uninitialized' warning for the np variable.
495 2009-03-19 Jakub Jelinek <jakub@redhat.com>
498 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
499 functions using regparm calling conventions when not optimizing.
500 (ix86_function_sseregparm): Similarly for sseregparm calling
503 2009-03-19 Li Feng <nemokingdom@gmail.com>
506 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
507 dependence if the first conflict is after niter iterations.
509 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
512 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
513 functions with dynamic stack-pointer adjustments.
515 2009-03-19 Ben Elliston <bje@au.ibm.com>
517 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
518 option; change to -msdata=data.
520 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
522 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
525 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
528 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
530 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
532 * doc/invoke.texi (Code Gen Options): Expand discussion of
535 2009-03-18 Jakub Jelinek <jakub@redhat.com>
537 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
538 * matrix-reorg.c (struct matrix_info): Likewise.
539 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
540 * rtl.h (struct mem_attrs): Likewise.
541 * df.h (struct df): Likewise.
542 * tree-data-ref.h (struct data_dependence_relation): Likewise.
543 * ira-int.h (struct ira_allocno): Likewise.
544 * df-scan.c (struct df_collection_rec): Likewise.
545 * ira.c (struct equivalence): Likewise.
546 * function.c (struct temp_slot): Likewise.
547 * cfgloop.h (struct loop): Likewise.
550 * function.c (use_register_for_decl): When not optimizing, disregard
551 register keyword for variables with types containing methods.
553 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
556 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
557 (is_simple_operand): Call contains_component_ref_p before calling data
558 reference analysis that would fail on COMPONENT_REFs.
560 * tree-vrp.c (search_for_addr_array): Fix formatting.
562 2009-03-18 Richard Guenther <rguenther@suse.de>
564 * tree-vect-transform.c (vect_loop_versioning): Fold the
565 generated comparisons.
566 * tree-vectorizer.c (set_prologue_iterations): Likewise.
567 (slpeel_tree_peel_loop_to_edge): Likewise.
569 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
572 * opts.c (print_specific_help): In addition to `undocumented',
573 accept `separate' and `joined' flags if passed alone. Describe
574 output by the first matched one of those.
575 (common_handle_option): Skip over empty strings.
576 * gcc.c (display_help): Fix help string for `--help='.
577 * doc/invoke.texi (Option Summary, Overall Options): With
578 `--help=', classes and qualifiers can both be repeated, but
579 only the latter can be negated. One should not pass only
580 negated qualifiers. Fix markup and examples.
583 2008-10-14 Jakub Jelinek <jakub@redhat.com>
585 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
588 2009-03-17 Jing Yu <jingyu@google.com>
591 * function.h (struct rtl_data): Move is_thunk from here...
592 (struct function): ...to here.
593 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
594 * varasm.c (assemble_start_function): Change is_thunk from crtl to
596 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
598 (alpha_does_function_need_gp, alpha_start_function): Likewise.
599 (alpha_output_function_end_prologue): Likewise.
600 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
601 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
602 (rs6000_output_function_epilogue): Likewise.
603 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
605 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
608 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
609 from different units in a single alternative.
610 (*truncdfsf_i387): Ditto.
611 (*truncxfsf2_mixed): Ditto.
612 (*truncxfdf2_mixed): Ditto.
614 2009-03-17 Jakub Jelinek <jakub@redhat.com>
616 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
617 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
620 * tree-ssa-live.c (remove_unused_locals): Don't remove local
621 unused non-artificial variables when not optimizing.
624 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
625 DW_TAG_imported_module even if decl is IMPORTED_DECL with
626 NAMESPACE_DECL in its DECL_INITIAL.
629 * optabs.c (set_user_assembler_libfunc): New function.
630 * expr.h (set_user_assembler_libfunc): New prototype.
631 * c-common.c: Include libfuncs.h.
632 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
633 for memcmp, memset, memcpy, memmove and abort.
634 * Makefile.in (c-common.o): Depend on libfuncs.h.
637 * dwarf2out.c (gen_inlined_enumeration_type_die,
638 gen_inlined_structure_type_die, gen_inlined_union_type_die,
639 gen_tagged_type_instantiation_die): Removed.
640 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
643 2009-03-17 Janis Johnson <janis187@us.ibm.com>
646 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
648 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
649 (check-parallel-%): Ditto.
650 (check-consistency): Ditto.
652 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
654 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
655 local variable rhs by NULL_TREE.
657 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
660 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
662 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
665 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
667 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
670 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
671 for ms->sysv ABI calls only in 64bit mode.
673 * config/i386/i386.md (untyped_call): Support 32bit.
675 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
677 * doc/extend.texi: Replace x86_65 with x86_64.
679 2009-03-16 Jakub Jelinek <jakub@redhat.com>
681 PR tree-optimization/39455
682 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
683 mismatches for POINTER_TYPE_P (type).
684 (number_of_iterations_le): Likewise.
686 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
688 * config/picochip/picochip.c: Removed profiling support.
689 * config/picochip/picochip.md: Removed profiling instruction.
690 * config/picochip/picochip.h: Removed profiling builtin.
692 2009-03-16 Joseph Myers <joseph@codesourcery.com>
694 * doc/install.texi (--with-host-libstdcxx): Document.
696 2009-03-14 Anatoly Sokolov <aesok@post.ru>
699 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
700 generate a warning if the function name does not begin with
701 "__vector" and the function has either the 'signal' or 'interrupt'
702 attribute, from here to ...
703 (avr_declare_function_name): ...here. New function.
704 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
705 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
707 2009-03-14 Jakub Jelinek <jakub@redhat.com>
710 * cse.c (fold_rtx): Don't modify original const_arg1 when
711 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
712 separate variable instead.
713 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
714 from out of range shift counts.
715 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
717 2008-03-13 Catherine Moore <clm@codesourcery.com>
719 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
720 diagnostic.h with $(DIAGNOSTIC_H).
722 2008-03-12 Jakub Jelinek <jakub@redhat.com>
725 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
727 * config/i386/sync.md (sync_compare_and_swap<mode>,
728 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
729 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
731 (sync_double_compare_and_swapdi_pic,
732 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
733 cmpxchg8b_pic_memory_operand instead of just memory_operand.
735 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
738 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
740 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
743 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
744 (avx_addsubv4df3): Likewise.
745 (*avx_addsubv4sf3): Likewise.
746 (sse3_addsubv4sf3): Likewise.
748 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
751 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
753 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
756 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
757 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
758 registers for allocnos created from user-defined variables.
760 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
763 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
764 of non-integer mode as well.
766 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
768 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
769 for functions for which the parameter types are unknown.
771 2009-03-11 Jakub Jelinek <jakub@redhat.com>
774 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
775 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
776 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
777 * config/i386/i386.c (ix86_local_alignment): For
778 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
779 long long variables on the stack to avoid dynamic realignment.
780 Allow the first argument to be a decl rather than type.
781 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
783 2009-03-11 Nick Clifton <nickc@redhat.com>
786 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
788 Add description to mno-lsim option.
789 * config/mcore/mcore.h: Remove comment about deprecated m4align
791 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
792 * doc/invoke.texi: Add description of mno-lsim and
793 mstack-increment options.
795 * config/fr30/fr30.opt: Document the -mno-lsim option.
796 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
797 and -mno-lsim options.
799 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
801 * fold-const.c (fold_comparison): Only call fold_inf_compare
802 if the mode supports infinities.
804 2009-03-11 Jason Merrill <jason@redhat.com>
807 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
808 end already did. Notice GIMPLE_CALL modifications of the result.
809 Don't copy debug information from an ignored decl or a decl from
812 2009-03-10 Richard Guenther <rguenther@suse.de>
813 Nathan Froyd <froydnj@codesourcery.com>
816 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
817 (__divMODE3): Likewise.
819 2009-03-09 Jakub Jelinek <jakub@redhat.com>
821 PR tree-optimization/39394
822 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
823 DECL_SIZE_UNIT of variable length FIELD_DECLs.
825 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
827 * recog.c (verfiy_changes): Disallow renaming of hard regs in
828 inline asms for register asm ("") declarations.
830 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
832 * fold-const.c (fold_unary): Fix comment.
834 2009-03-07 Jan Hubicka <jh@suse.cz>
837 * tree-inline.c (setup_one_parameter): Do replacement of const
838 argument by constant in SSA form.
840 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
843 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
844 determine alignment passed to assign_stack_local.
845 (assign_parms_unsplit_complex): Likewise.
846 * except.c (sjlj_build_landing_pads): Likewise.
848 2009-03-06 Jakub Jelinek <jakub@redhat.com>
851 * tree-flow.h (add_referenced_var): Return bool instead of void.
852 * tree-dfa.c (add_referenced_var): Return result of
853 referenced_var_check_and_insert call.
854 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
855 of referenced_var_check_and_insert.
858 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
859 (gen_variable_die): Emit DW_AT_location on abstract static variable's
860 DIE, don't emit it if abstract origin already has it.
861 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
862 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
864 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
866 * genpreds.c: (needs_variable): Fix parentheses at variable name
868 (write_tm_constrs_h): Indent generated code.
870 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
872 * doc/extend.texi (Function Attributes): Add documentation
875 2009-03-06 Jakub Jelinek <jakub@redhat.com>
878 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
879 take locus from its DECL_SOURCE_LOCATION instead of input_location.
881 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
883 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
886 2009-03-05 Jakub Jelinek <jakub@redhat.com>
889 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
890 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
892 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
894 * config/i386/i386.md (R8_REG, R9_REG): New constants.
895 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
896 constants instead of magic numbers.
897 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
899 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
900 (x86_64_ms_abi_int_parameter_registers): Ditto.
901 (x86_64_int_return_registers): Ditto.
902 (ix86_maybe_switch_abi): Ditto.
903 (ix86_expand_call): Ditto for clobbered_registers array.
904 (ix86_hard_regno_mode_ok): Ditto.
905 (x86_extended_QIreg_mentioned_p): Ditto.
907 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
909 PR tree-optimization/39349
910 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
912 * combine.c (gen_lowpart_for_combine): Use omode when generating
915 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
917 PR rtl-optimization/39235
918 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
920 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
922 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
924 2009-03-04 Richard Guenther <rguenther@suse.de>
926 PR tree-optimization/39362
927 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
928 that occur in abnormal PHIs should be varying.
930 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
932 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
934 (simple_iv): Take loop as an argument instead of statement.
935 * tree-scalar-evolution.h (simple_iv): Declaration changed.
936 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
938 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
940 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
941 * matrix-reorg.c (analyze_transpose): Ditto.
942 * tree-data-ref.c (dr_analyze_innermost): Ditto.
943 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
944 * tree-predcom.c (ref_at_iteration): Ditto.
945 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
947 2009-03-04 Richard Guenther <rguenther@suse.de>
949 PR tree-optimization/39358
950 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
951 escaped_id and callused_id.
952 (solve_graph): Likewise.
954 2009-03-04 Richard Guenther <rguenther@suse.de>
956 PR tree-optimization/39339
957 * tree-sra.c (try_instantiate_multiple_fields): Make it
958 no longer ICE on the above.
960 2009-03-03 Joseph Myers <joseph@codesourcery.com>
962 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
963 that fits within Pmode.
965 2009-03-03 Steve Ellcey <sje@cup.hp.com>
968 * tm.texi (LIBCALL_VALUE): Update description.
970 2009-03-03 Steve Ellcey <sje@cup.hp.com>
973 * doc/extend.texi (section): Update description.
975 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
978 * tree-inline.c (remapped_type): New.
979 (can_be_nonlocal): Call remapped_type instead of remap_type.
981 2009-03-03 Jakub Jelinek <jakub@redhat.com>
984 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
985 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
987 2009-03-03 Richard Guenther <rguenther@suse.de>
990 * tree.c (tree_nonartificial_location): New function.
991 * tree.h (tree_nonartificial_location): Declare.
992 * builtins.c (expand_builtin_memory_chk): Provide location
993 of the call location for artificial function pieces.
994 (maybe_emit_chk_warning): Likewise.
995 (maybe_emit_sprintf_chk_warning): Likewise.
996 (maybe_emit_free_warning): Likewise.
997 * expr.c (expand_expr_real_1): Likewise.
999 2009-03-03 Jakub Jelinek <jakub@redhat.com>
1001 PR tree-optimization/39343
1002 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
1003 COMPONENT_REF t has ARRAY_TYPE.
1005 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
1008 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
1009 when the type precision of the induction variable should be
1010 larger than the type precision of nit.
1011 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
1012 * graphite.c (graphite_loop_normal_form): Same.
1013 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
1015 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
1017 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
1018 (*call_1_rex64_ms_sysv): Use named constants instead of magic
1019 numbers to describe clobbered registers.
1020 (*call_value_0_rex64_ms_sysv): Ditto.
1021 * config/i386/mmx.md (mmx_emms): Ditto.
1024 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
1026 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
1029 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1031 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
1032 (spu_section_type_flags): New function.
1034 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
1036 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
1037 reg_class_contents of FLOAT_REGS into a temporary.
1039 2009-03-02 Richard Guenther <rguenther@suse.de>
1040 Ira Rosen <irar@il.ibm.com>
1042 PR tree-optimization/39318
1043 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
1044 information to the vectorized statement.
1046 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
1048 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
1049 variable. Use defined names instead of magic constants for REX SSE
1052 2009-03-01 Richard Guenther <rguenther@suse.de>
1054 PR tree-optimization/39331
1055 * omp-low.c (lower_send_shared_vars): Do not receive new
1056 values for the reference of DECL_BY_REFERENCE parms or results.
1058 2009-03-01 Jan Hubicka <jh@suse.cz>
1061 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
1062 BLOCK_NONLOCALIZED_VAR): New macros.
1063 (tree_block): Add nonlocalized_vars.
1064 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
1065 gen_decl_die): Add origin argument. Allow generation of die with
1066 origin at hand only.
1067 (gen_member_die, gen_type_die_with_usage, force_decl_die,
1068 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
1070 (gen_block_die): Fix checking for unused blocks.
1071 (process_scope_var): Break out from .... ; work with origins only.
1072 (decls_for_scope) ... here; process nonlocalized list.
1073 (dwarf2out_ignore_block): Look for nonlocalized vars.
1074 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
1076 (dump_scope_block): Dump them.
1077 * tree-inline.c (remap_decls): Handle nonlocalized vars.
1078 (remap_block): Likewise.
1079 (can_be_nonlocal): New predicate.
1080 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
1082 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1084 * configure: Regenerate.
1086 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1088 * optc-gen.awk: No need to duplicate option flags twice.
1089 Reuse help texts for duplicate options which do not have any.
1091 * gcc.c (display_help): Document --version.
1093 * gcc.c (main): If print_help_list and verbose_flag, ensure
1094 driver output comes before subprocess output.
1096 * optc-gen.awk: Assign all remaining fields to help string,
1097 space-separated, for multi-line help in *.opt.
1099 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
1100 -Wno-pedantic-ms-format is for MinGW targets only.
1102 * doc/options.texi (Option file format): Fix bad indentation,
1103 restoring dropped sentence.
1105 2009-02-28 Jan Hubicka <jh@suse.cz>
1107 * tree-inline.c (tree_function_versioning): Output debug info.
1109 2009-02-28 Jan Hubicka <jh@suse.cz>
1112 * tree-inline.c (setup_one_parameter): Do not copy propagate
1113 arguments when not optimizing.
1115 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
1118 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
1119 (avx_addsubv4df3): Likewise.
1120 (*avx_addsubv4sf3): Likewise.
1121 (sse3_addsubv4sf3): Likewise.
1122 (*avx_addsubv2df3): Likewise.
1123 (sse3_addsubv2df3): Likewise.
1124 (avx_unpckhps256): Correct item selectors.
1125 (avx_unpcklps256): Likewise.
1126 (avx_unpckhpd256): Likewise.
1127 (avx_unpcklpd256): Likewise.
1129 2009-02-28 Jan Hubicka <jh@suse.cz>
1131 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
1133 (copy_arguments_for_versioning): If var is declared don't declare it.
1134 (tree_function_versioning): First setup substitutions and then copy
1137 2009-02-27 Jan Hubicka <jh@suse.cz>
1140 * cgraph.h (varpool_output_debug_info): Remove.
1141 * cgraphunit.c (varpool_output_debug_info): Remove.
1142 * dwarf2out.c (deferred_locations_struct): New struct
1143 (deferred_locations): New type.
1144 (deferred_locations_list): New static var.
1145 (deffer_location): New function.
1146 (gen_variable_die): Use it.
1147 (decls_for_scope): Output info on local static vars.
1148 (dwarf2out_finish): Process deferred locations.
1149 * varpool.c (varpool_output_debug_info): Remove.
1151 2009-02-27 Jan Hubicka <jh@suse.cz>
1154 * tree.h (TREE_PROTECTED): Fix comment.
1155 (BLOCK_HANDLER_BLOCK): Remove.
1156 (struct tree_block): Remove handler_block add body_block.
1157 (inlined_function_outer_scope_p): New.
1158 (is_body_block): Remove.
1159 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
1160 * dwarf2out.c (is_inlined_entry_point): Remove.
1161 (add_high_low_attributes): Use inlined_function_outer_scope_p.
1162 (gen_block_die): Use is_inlined_entry_point check. Remove body block
1164 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
1165 * gimplify.c (gimplify_expr): Gimplify body blocks.
1166 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
1167 block with multiple subblocks.
1168 (dump_scope_block): Prettier output; dump more flags and info.
1169 (dump_scope_blocks): New.
1170 (remove_unused_locals): Use dump_scope_blocks.
1171 * tree-flow.h (dump_scope_blocks): Declare.
1172 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
1173 * stmt.c (is_body_block): Remove.
1174 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
1175 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
1177 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
1180 * graphite.c (graphite_loop_normal_form): Do not call
1181 number_of_iterations_exit from a gcc_assert.
1183 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1185 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
1186 jumps if COND is NULL.
1187 (find_cond_jump): New function.
1188 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
1189 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
1191 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
1193 * config/alpha/alpha.h (alpha_expand_mov): Return false if
1194 force_const_mem returns NULL_RTX.
1196 2009-02-26 Jan Hubicka <jh@suse.cz>
1199 * cgraph.h (varpool_output_debug_info): Remove.
1200 * cgraphunit.c (varpool_output_debug_info): Remove.
1201 * dwarf2out.c (deferred_locations_struct): New struct
1202 (deferred_locations): New type.
1203 (deferred_locations_list): New static var.
1204 (deffer_location): New function.
1205 (gen_variable_die): Use it.
1206 (decls_for_scope): Output info on local static vars.
1207 (dwarf2out_finish): Process deferred locations.
1208 * varpool.c (varpool_output_debug_info): Remove.
1210 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
1212 PR rtl-optimization/39241
1213 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
1214 to subreg_offset_representable_p.
1216 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
1218 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
1219 execute function prototype. Get f and nregs from max_reg_num
1220 and get_insns. Remove the first backward pass as it's dead,
1221 guard the forward pass by flag_expensive_optimizations.
1222 (rest_of_handle_regmove): Delete.
1223 (pass_regmove): Replace it with regmove_optimize.
1225 2009-02-25 Martin Jambor <mjambor@suse.cz>
1227 PR tree-optimization/39259
1228 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
1229 calls_alloca function flags.
1230 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
1233 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
1235 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
1236 flags_set_1_rtx, flags_set_1_set): Delete.
1237 (regmove_optimize): Do not call mark_flags_life_zones.
1239 2009-02-24 Julian Brown <julian@codesourcery.com>
1242 * config/arm/arm.c (require_pic_register): Only set
1243 cfun->machine->pic_reg once per function.
1245 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
1247 * doc/invoke.texi (Link Options): Document an easier way to pass
1248 options that take arguments to the GNU linker using -Xlinker and -Wl.
1250 2009-02-24 Steve Ellcey <sje@cup.hp.com>
1253 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
1255 2009-02-24 Richard Guenther <rguenther@suse.de>
1258 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
1260 2009-02-24 Richard Guenther <rguenther@suse.de>
1261 Zdenek Dvorak <ook@ucw.cz>
1263 PR tree-optimization/39233
1264 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
1265 from converting them to a generic type.
1267 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
1269 PR tree-optimization/39260
1270 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
1271 contains a condition with a real type.
1272 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
1274 2009-02-23 Jason Merrill <jason@redhat.com>
1277 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
1278 narrowing_initializer_constant_valid_p.
1279 (narrowing_initializer_constant_valid_p): Don't return
1280 null_pointer_node for adding a pointer to itself.
1282 2009-02-23 Jan Hubicka <jh@suse.cz>
1285 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
1288 2009-02-23 Jan Hubicka <jh@suse.cz>
1290 PR tree-optimization/37709
1291 * tree.c (block_ultimate_origin): Move here from dwarf2out.
1292 * tree.h (block_ultimate_origin): Declare.
1293 * dwarf2out.c (block_ultimate_origin): Move to tree.c
1294 * tree-ssa-live.c (remove_unused_scope_block_p):
1295 Eliminate blocks containig no instructions nor live variables nor
1297 (dump_scope_block): New function.
1298 (remove_unused_locals): Enable removal of dead blocks by default;
1299 enable dumping at TDF_DETAILS.
1301 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
1303 * config/i386/i386.c (classify_argument): Don't allow COImode
1305 (function_arg_advance_32): Don't allow OImode.
1306 (function_arg_32): Likewise.
1307 (function_value_32): Likewise.
1308 (return_in_memory_32): Likewise.
1309 (function_arg_64): Remove OImode comment.
1311 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
1314 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
1315 ix86_expand_vector_set for V4DImode in 64bit mode only.
1316 (ix86_expand_vector_init_one_var): Likewise.
1318 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
1320 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
1322 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
1325 * loop-iv.c: Revert last change.
1326 * emit-rtl.c: Likewise.
1328 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
1331 * config/i386/i386.c (type_natural_mode): Remove an extra
1332 space in the warning message.
1333 (function_value_32): Handle 32-byte vector modes.
1334 (return_in_memory_32): Likewise.
1336 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
1338 * loop-iv.c (truncate_value): New function.
1339 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
1341 (lowpart_subreg): Move to...
1342 * emit-rtl.c: ...here.
1344 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
1346 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
1347 accidental and undocumented change at revision 140860.
1349 2009-02-21 Joseph Myers <joseph@codesourcery.com>
1351 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
1352 take gimple_seq * arguments.
1353 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
1354 types_compatible_p langhook.
1356 2009-02-20 Mark Mitchell <mark@codesourcery.com>
1357 Joseph Myers <joseph@codesourcery.com>
1359 * config/arm/arm.c (arm_builtin_va_list): New function.
1360 (arm_expand_builtin_va_start): Likewise.
1361 (arm_gimplify_va_arg_expr): Likewise.
1362 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
1363 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
1364 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
1365 (va_list_type): New variable.
1366 (arm_mangle_type): Mangle va_list_type appropriately.
1368 2009-02-20 Jakub Jelinek <jakub@redhat.com>
1371 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
1372 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
1373 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
1374 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
1375 parameter to 1000 for -O1 by default.
1376 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
1378 * loop-invariant.c: Include params.h.
1379 (move_loop_invariants): Don't call move_single_loop_invariants on
1382 2009-02-20 Jaka Mocnik <jaka@xlab.si>
1384 * calls.c (emit_library_call_value_1): Use slot_offset instead of
1385 offset when calculating bounds for indexing stack_usage_map. Fixes
1386 a buffer overflow with certain target setups.
1388 2009-02-20 Jakub Jelinek <jakub@redhat.com>
1391 * calls.c (expand_call): Clear try_tail_call if caller and callee
1392 disagree in promotion of function return value.
1394 2009-02-19 Jakub Jelinek <jakub@redhat.com>
1397 * c-common.c (c_determine_visibility): If visibility changed and
1398 DECL_RTL has been already set, call make_decl_rtl to update symbol
1401 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
1404 * varasm.c (assemble_variable): Don't check DECL_NAME when
1405 globalizing a variable.
1407 2009-02-19 Joseph Myers <joseph@codesourcery.com>
1410 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
1411 expression before any __builtin_trap call.
1412 * c-typeck.c (build_function_call): Convert and check function
1413 arguments before generating a call to a trap. Evaluate the
1414 function arguments before the trap.
1416 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
1419 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
1420 (UNSPEC_FXAM_MEM): New unspec.
1421 (fxam<mode>2_i387_with_temp): New insn and split pattern.
1422 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
1423 memory using fxam<mode>2_i387_with_temp to remove excess precision.
1425 2009-02-19 Richard Guenther <rguenther@suse.de>
1427 PR tree-optimization/39207
1428 PR tree-optimization/39074
1429 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
1430 storedanything_tree): New.
1431 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
1432 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
1433 (build_succ_graph): Add edges from STOREDANYTHING to all
1435 (init_base_vars): Initialize STOREDANYTHING.
1436 (compute_points_to_sets): Free substitution info after
1437 building the succ graph.
1438 (ipa_pta_execute): Likewise.
1440 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
1442 (do_ds_constraint): Do not add to special var or non-pointer
1444 (type_could_have_pointers): Split out from ...
1445 (could_have_pointers): ... here. For arrays use the element type.
1446 (create_variable_info_for): Initialize may_have_pointers.
1447 (new_var_info): Likewise.
1448 (handle_lhs_call): Make the HEAP variable unknown-sized.
1449 (intra_create_variable_infos): Use a type with pointers for
1450 PARM_NOALIAS, make it unknown-sized.
1452 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
1455 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
1457 2009-02-18 Jason Merrill <jason@redhat.com>
1460 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
1461 value if DECL_EXTERNAL.
1462 * tree-sra.c (sra_walk_gimple_assign): Likewise.
1463 * target.h (gcc_target::binds_local_p): Clarify "module".
1464 * tree.h (TREE_PUBLIC): Clarify "module".
1466 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
1469 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
1470 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
1472 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
1475 * c.opt (Wabi): Support C and ObjC.
1478 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
1480 * config/i386/i386.c (classify_argument): Warn once about the ABI
1481 change when passing union with long double.
1483 * doc/invoke.texi: Update -Wabi for warning psABI changes.
1485 2009-02-18 Joseph Myers <joseph@codesourcery.com>
1488 * c-parser.c (c_parser_compound_statement): Always enter and leave
1491 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1494 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
1496 2009-02-18 Jakub Jelinek <jakub@redhat.com>
1498 PR tree-optimization/36922
1499 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
1500 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
1503 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1505 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
1508 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1510 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
1512 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1514 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
1517 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
1518 Richard Sandiford <rdsandiford@googlemail.com>
1520 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
1521 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
1522 (loongson_biadd): ...this.
1524 2009-02-17 Richard Guenther <rguenther@suse.de>
1526 PR tree-optimization/39202
1527 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
1528 a var make sure to follow existing collapses.
1530 2009-02-17 Richard Guenther <rguenther@suse.de>
1533 * langhooks.c (lhd_print_error_function): Check for NULL block.
1535 2009-02-17 Richard Guenther <rguenther@suse.de>
1537 PR tree-optimization/39204
1538 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
1541 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
1543 * config/soft-fp/double.h: Update from glibc CVS.
1545 2009-02-17 Richard Guenther <rguenther@suse.de>
1547 PR tree-optimization/39207
1548 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
1549 strict-aliasing warnings for pointers pointing to NULL.
1551 2009-02-16 Joseph Myers <joseph@codesourcery.com>
1554 * c-parser.c (c_parser_braced_init): Call pop_init_level when
1555 skipping until next close brace.
1557 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
1560 * config/i386/i386.c (ix86_expand_push): Set memory alignment
1561 to function argument boundary.
1563 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1565 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
1566 in the lea_add. Reload eventually constraints it properly.
1567 * config/picochip/constraints.md : Remove the target constraint
1568 "b", since it is not needed anymore.
1570 2009-02-16 Jakub Jelinek <jakub@redhat.com>
1572 * gthr-dce.h: Uglify function parameter and local variable names.
1573 * gthr-gnat.h: Likewise.
1574 * gthr-mipssde.h: Likewise.
1575 * gthr-nks.h: Likewise.
1576 * gthr-posix95.h: Likewise.
1577 * gthr-posix.h: Likewise.
1578 * gthr-rtems.h: Likewise.
1579 * gthr-single.h: Likewise.
1580 * gthr-solaris.h: Likewise.
1581 * gthr-tpf.h: Likewise.
1582 * gthr-vxworks.h: Likewise.
1583 * gthr-win32.h: Likewise.
1585 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
1588 * config/i386/i386.md: Restrict the new peephole2 to move
1589 between MMX/SSE registers.
1591 2009-02-15 Richard Guenther <rguenther@suse.de>
1594 2009-02-13 Richard Guenther <rguenther@suse.de>
1596 * configure.ac: Enable LFS.
1597 * configure: Re-generate.
1598 * config.in: Likewise.
1600 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1602 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
1603 spu_srqwbyte, spu_srqwbytebc): Define.
1604 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
1605 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
1606 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
1607 "shrqby_<mode>"): New insn-and-split patterns.
1608 * config/spu/spu.c (expand_builtin_args): Determine and return
1609 number of operands using spu_builtin_description data.
1610 (spu_expand_builtin_1): Use it.
1612 2009-02-13 Steve Ellcey <sje@cup.hp.com>
1615 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
1618 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1621 * config/i386/i386.c (override_options): Correct warning
1622 messages for -malign-loops, -malign-jumps and -malign-functions.
1624 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1627 * config/i386/i386.md: Restrict the new peephole2 to move
1628 between the general purpose registers.
1630 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1633 * config/i386/i386.c (type_natural_mode): Add a new argument.
1634 Return the original mode and warn ABI change if vector size is 32byte.
1635 (function_arg_advance): Updated.
1636 (function_arg): Likewise.
1637 (ix86_function_value): Likewise.
1638 (ix86_return_in_memory): Likewise.
1639 (ix86_sol10_return_in_memory): Likewise.
1640 (ix86_gimplify_va_arg): Likewise.
1641 (function_arg_32): Don't warn ABX ABI change here.
1642 (function_arg_64): Likewise.
1644 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
1646 * loop-iv.c (implies_p): In the final case, test that operands 0
1647 of the two comparisons match.
1649 * config/bfin/bfin.c (find_prev_insn_start): New function.
1650 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
1651 (find_next_insn_start): Move.
1653 2009-02-13 Richard Guenther <rguenther@suse.de>
1655 * configure.ac: Enable LFS.
1656 * configure: Re-generate.
1657 * config.in: Likewise.
1659 2009-02-13 Joseph Myers <joseph@codesourcery.com>
1662 * c-parser.c (c_parser_parms_list_declarator): Discard pending
1663 sizes on syntax error after some arguments have been parsed.
1665 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1667 * doc/invoke.texi (-fira): Remove.
1669 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1671 * caller-save.c: Replace regclass.c with reginfo.c in comments.
1672 * recog.c: Likewise.
1675 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
1677 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
1678 (umul_ppmm): Likewise.
1679 (count_leading_zeros): Likewise.
1680 (count_trailing_zeros): Likewise.
1681 (UMUL_TIME): Likewise.
1683 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1685 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
1686 soft-fp/t-softfp to tmake_file.
1688 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
1689 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
1690 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
1691 IA64_BUILTIN_INFQ]: New.
1692 (ia64_init_builtins): Initialize __builtin_infq,
1693 __builtin_fabsq and __builtin_copysignq if not HPUX.
1694 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
1695 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
1697 * config/ia64/lib1funcs.asm (__divtf3): Define only if
1699 (__fixtfti): Likewise.
1700 (__fixunstfti): Likewise.
1701 (__floattitf): Likewise.
1703 * config/ia64/libgcc-glibc.ver: New.
1704 * config/ia64/t-fprules-softfp: Likewise.
1705 * config/ia64/sfp-machine.h: Likewise.
1707 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
1708 (LIBGCC2_TF_CEXT): Likewise.
1709 (TF_SIZE): Likewise.
1710 (TARGET_INIT_LIBFUNCS): Likewise.
1712 * config/ia64/t-glibc (SHLINB_MAPFILES):
1713 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
1715 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1717 * config/i386/i386.c (construct_container): Rewrite processing
1718 BLKmode with X86_64_SSE_CLASS.
1720 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
1723 * config/i386/i386.md: Replace simplify_replace_rtx with
1724 replace_rtx in the new peephole2.
1726 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
1728 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
1729 loop unrolling do not happen at -O2.
1731 2009-02-12 Michael Matz <matz@suse.de>
1733 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
1735 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1737 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
1740 2009-02-12 Ben Elliston <bje@au.ibm.com>
1742 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
1743 patterns when updating the back chain. Missed in the 2009-02-10
1746 2009-02-11 Janis Johnson <janis187@us.ibm.com>
1748 * doc/extend.texi (Decimal Floating Types): Update identifier of
1749 draft TR and list of missing support.
1751 2009-02-11 Jakub Jelinek <jakub@redhat.com>
1754 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
1755 bit to variable length decl's flags, add it also to its
1756 pointer replacement variable.
1758 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
1759 Jakub Jelinek <jakub@redhat.com>
1762 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
1763 (memory_blockage): New expander.
1764 (*memory_blockage): New insn pattern.
1765 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1766 instead of general blockage at the end of function prologue when
1767 frame pointer is used to access red zone area. Do not emit blockage
1768 when profiling, it is emitted in generic code.
1769 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1770 function epilogue when frame pointer is used to access red zone area.
1772 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
1775 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1776 by arithmetic with memory operands.
1777 * config/i386/predicates.md (commutative_operator): New.
1779 2009-02-10 Janis Johnson <janis187@us.ibm.com>
1781 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1784 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
1786 * alias.h (record_alias_subset): Declare.
1787 * alias.c (record_alias_subset): Make global.
1789 2009-02-10 Nick Clifton <nickc@redhat.com>
1791 * tree-parloops.c: Change license to GPLv3.
1792 * ipa-struct-reorg.c: Change license to GPLv3.
1793 * ipa-struct-reorg.h: Change license to GPLv3.
1795 2009-02-10 Steve Ellcey <sje@cup.hp.com>
1798 * c-decl.c (start_struct): Return NULL on error.
1800 2009-02-10 Jakub Jelinek <jakub@redhat.com>
1803 * cfgloopmanip.c (remove_path): Call remove_bbs after
1804 cancel_loop_tree, not before it.
1807 * function.h (struct function): Add has_local_explicit_reg_vars bit.
1808 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1809 VAR_DECLs were seen.
1810 * tree-ssa-live.c (remove_unused_locals): Recompute
1811 cfun->has_local_explicit_reg_vars.
1812 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1813 copies or clearings if cfun->has_local_explicit_reg_vars.
1815 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
1818 * config/i386/i386.c (expand_prologue): Emit blockage at the end
1819 of function prologue when frame pointer is used to access
1822 2009-02-10 Richard Guenther <rguenther@suse.de>
1825 * gimplify.c (gimple_regimplify_operands): Always look if
1826 we need to create a temporary.
1828 2009-02-10 Richard Guenther <rguenther@suse.de>
1830 PR tree-optimization/39132
1831 * tree-loop-distribution.c (todo): New global var.
1832 (generate_memset_zero): Trigger TODO_rebuild_alias.
1833 (tree_loop_distribution): Return todo.
1835 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
1838 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1839 (x86_64_reg_class_name): Removed.
1840 (classify_argument): Return 0 if bytes > 32. Return 0 if the
1841 first one isn't X86_64_SSE_CLASS or any other ones aren't
1842 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
1843 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1844 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
1845 and 3 X86_64_SSEUP_CLASS.
1846 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
1847 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1849 2009-02-10 Ben Elliston <bje@au.ibm.com>
1851 * config/rs6000/rs6000.md (allocate_stack): Always use an update
1852 form instruction to update the stack back chain word, even if the
1853 user has disabled the generation of update instructions.
1854 (movdi_<mode>_update_stack): New.
1855 (movsi_update_stack): Likewise.
1856 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1857 always use an update form instruction to update the stack back
1860 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
1863 * graphite.c (if_region_set_false_region): After moving a region in
1864 the false branch of a condition, remove the empty dummy basic block.
1865 (gloog): Remove wrong fix for PR38953.
1867 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1869 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1870 generation due to implicit sign extension.
1872 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
1875 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1876 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1878 2009-02-09 Richard Guenther <rguenther@suse.de>
1881 * convert.c (convert_to_real): Disable (float)fn((double)x)
1882 to fnf(x) conversion if errno differences may occur and
1883 -fmath-errno is set.
1885 2009-02-07 Anatoly Sokolov <aesok@post.ru>
1887 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1888 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1889 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1891 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1894 * c-common.c (handle_alias_attribute): Disallow attribute for
1895 anything not a FUNCTION_DECL or VAR_DECL.
1897 2009-02-06 Janis Johnson <janis187@us.ibm.com>
1900 * real.c (do_compare): Special-case compare of zero against
1901 decimal float value.
1903 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1906 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1907 as indicating flexible array members unless the field itself is
1908 being declarared as the incomplete array.
1910 2009-02-06 Jan Hubicka <jh@suse.cz>
1912 PR tree-optimization/38844
1913 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1916 2009-02-06 Richard Guenther <rguenther@suse.de>
1919 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1920 fork because we may expand it as __gcov_fork.
1922 2009-02-06 Nick Clifton <nickc@redhat.com>
1924 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1926 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1928 PR tree-optimization/35659
1929 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1930 vn_phi_eq): Shortcut if hashcode does not match.
1931 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1933 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1934 and avoid iterative_hash_expr.
1935 (FOR_EACH_VALUE_ID_IN_SET): New.
1936 (value_id_compare): Remove.
1937 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1938 sort expressions by value id.
1940 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1943 * config/sh/predicates.md (general_movsrc_operand): Don't check
1944 the subreg of system registers here.
1946 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1949 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1952 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1954 PR rtl-optimization/39110
1955 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1956 addresses, not aligned ones.
1958 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1959 Richard Guenther <rguenther@suse.de>
1961 PR tree-optimization/39100
1962 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1963 comment says and add edges.
1965 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1968 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1969 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1971 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1973 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1974 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1975 register_bb_in_sese, new_sese, free_sese): Moved.
1976 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1977 outermost_loop_in_scop, build_scop_iteration_domain,
1978 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1979 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1980 Use loop_in_sese_p instead of loop_in_scop_p.
1981 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1982 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1983 (scopdet_basic_block_info): Fix bug in scop detection.
1984 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1985 eq_loop_to_cloog_loop): Remove.
1986 (nb_loops_around_loop_in_scop, nb_loop
1987 ref_nb_loops): Moved here...
1988 * graphite.h (ref_nb_loops): ... from here.
1989 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1990 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1991 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1992 * testsuite/gcc.dg/graphite/scop-19.c: New
1994 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1995 Hans-Peter Nilsson <hp@axis.com>
1997 PR rtl-optimization/37889
1998 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1999 Move offset handling from PLUS to before the switch. Use new
2000 arguments when considering SYMBOL_REFs too.
2001 (rtx_addr_can_trap_p): Pass dummy offset and size.
2002 (enum may_trap_p_flags): Remove.
2003 (may_trap_p_1): Pass size from MEM_SIZE.
2005 PR rtl-optimization/38921
2006 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
2007 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
2008 * rtlanal.c (may_trap_after_code_motion_p): Delete.
2009 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
2011 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
2013 AVX Programming Reference (January, 2009)
2014 * config/i386/sse.md (*vpclmulqdq): New.
2016 2009-02-04 Jakub Jelinek <jakub@redhat.com>
2018 PR tree-optimization/38977
2019 PR gcov-profile/38292
2020 * calls.c (special_function_p): Disregard __builtin_ prefix.
2022 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
2024 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
2025 non-indexable addresses even before reload.
2027 2009-02-03 Joseph Myers <joseph@codesourcery.com>
2030 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
2031 as having variable size. Do not give an error for unnamed
2032 parameters with [*] declarators. Give a warning for type names
2033 with [*] declarators and mark them as variable size.
2034 * c-parser.c (c_parser_sizeof_expression): Do not give an error
2035 for sizeof applied to [*] type names.
2037 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
2040 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
2042 2009-02-03 Jakub Jelinek <jakub@redhat.com>
2044 * gcc.c (process_command): Update copyright notice dates.
2045 * gcov.c (print_version): Likewise.
2046 * gcov-dump.c (print_version): Likewise.
2047 * mips-tfile.c (main): Likewise.
2048 * mips-tdump.c (main): Likewise.
2050 2009-02-03 Joseph Myers <joseph@codesourcery.com>
2053 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
2054 for composite type involving a zero-length array type.
2056 2009-02-03 Jakub Jelinek <jakub@redhat.com>
2059 * function.c (match_asm_constraints_1): Skip over
2060 initial optional % in the constraint.
2063 * c-parser.c (c_parser_postfix_expression): If fixed point is not
2064 supported, don't accept FIXED_CSTs.
2065 * c-decl.c (finish_declspecs): Error if fixed point is not supported
2066 and _Sat is used without _Fract/_Accum. Set specs->type to
2067 integer_type_node for cts_fract/cts_accum if fixed point is not
2070 2009-02-02 Catherine Moore <clm@codesourcery.com>
2072 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
2074 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
2076 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
2077 (ABI_HAS_64BIT_SYMBOLS): Use it.
2078 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
2080 2009-02-02 Paul Brook <paul@codesourcery.com>
2082 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
2084 2009-02-02 Jakub Jelinek <jakub@redhat.com>
2087 * recog.h (asm_operand_ok): Add constraints argument.
2088 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
2089 recurse on matching constraint.
2090 (check_asm_operands): Pass constraints as 3rd argument to
2091 asm_operand_ok. Don't look up matching constraint here.
2092 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
2095 2009-02-02 Ben Elliston <bje@au.ibm.com>
2097 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
2098 TARGET_NARROW_VOLATILE_BITFIELD macro names.
2100 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2102 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
2103 information. Remove some obsolete information. Reorganize.
2105 * config/pa/fptr.c: Revert license to GPL 2.
2106 * config/pa/milli64.S: Likewise.
2108 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
2111 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
2112 LIBRARY name in, instead of hard-coding it.
2113 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
2114 extra target make frag to tmake_files according to EH model.
2115 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
2116 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
2117 frags that define makefile variable EH_MODEL appropriately.
2118 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
2119 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
2120 to "-sjlj" according to type of EH configured.
2121 (LIBGCC_SONAME): Concatenate it to shared library base name.
2122 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
2123 to "_sjlj" according to type of EH configured.
2124 (LIBGCC_SONAME): Concatenate it to shared library base name.
2125 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
2126 (SHLIB_LINK): Add missing semicolon to if-else construct.
2127 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
2128 string value of "pe_dll" command-line option.
2129 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
2130 (SHLIB_SONAME): Use it when overriding t-cygming default.
2131 (SHLIB_IMPLIB): Override t-cygming default.
2132 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
2133 string value of "pe_dll" command-line option.
2135 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
2138 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
2139 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
2141 2009-01-31 Richard Guenther <rguenther@suse.de>
2143 PR tree-optimization/38937
2144 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
2145 computing the transitive closure.
2147 2009-01-30 Richard Guenther <rguenther@suse.de>
2149 PR tree-optimization/39041
2150 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
2151 Propagate variable indices only if the types match for this stmt.
2153 2009-01-30 Jakub Jelinek <jakub@redhat.com>
2156 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
2157 inline but never defined.
2159 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
2161 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
2162 (*insv_h_di_reg_extimm): New insn.
2163 (*insv_l<mode>_reg_extimm): New insn.
2165 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
2167 * config/picochip/picochip.c (flag_conserve_stack): set
2168 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
2169 fconserve-stack. Reduce call-overhead used by inliner.
2171 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
2174 * common.opt (flag_conserve_stack): Initialised to zero.
2176 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
2179 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
2180 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
2183 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
2185 * ira-color.c (allocno_reload_assign): Update comments.
2186 * regmove.c (regmove_optimize): Likewise.
2190 2009-01-29 Robert Millan <rmh@aybabtu.com>
2192 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
2193 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
2194 `MD_UNWIND_SUPPORT'.
2195 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
2197 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
2199 PR tree-optimization/39007
2200 * tree-loop-distribution.c (generate_builtin): Use
2201 recompute_dominator to compute the immediate dominator of the
2202 basic block just after the loop.
2204 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2206 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
2207 (ASM_OUTPUT_DWARF_PCREL): Define.
2209 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
2211 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
2212 * doc/passes.texi: Remove entries about regclass, local-alloc, and
2213 global. Modify entries about regmove and IRA.
2215 * ra-conflict.c: Remove the file.
2217 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
2219 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
2220 (pass_regclass_init): Rename to pass_reginfo_init.
2222 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
2224 * toplev.h (flag_ira): Remove.
2226 * caller-save.c (setup_save_areas): Remove flag_ira.
2228 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
2230 * global.c: Remove the file.
2232 * opts.c: (decode_options): Remove flag_ira.
2234 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
2236 * regmove.c: Modify file description.
2237 (find_use_as_address, try_auto_increment): Define them only if
2238 AUTO_INC_DEC is defined.
2239 (replacement_quality, replace_in_call_usage, fixup_match_1,
2240 stable_and_no_regs_but_for_p): Remove.
2241 (reg_set_in_bb): Make it static.
2242 (regmove_optimize): Remove flag_ira and code which worked for
2245 * local-alloc.c: Remove the file.
2247 * common.opt (fira): Remove.
2249 * ira.c: Include except.h.
2250 (eliminable_regset): Move from global.c.
2251 (mark_elimination): Ditto. Remove flag_ira.
2252 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
2253 equiv_mem_modified, validate_equiv_mem_from_store,
2254 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
2255 contains_replace_regs, memref_referenced_p, memref_used_between_p,
2256 no_equiv, recorded_label_ref): Move from local-alloc.c.
2257 (update_equiv_regs): Ditto. Make it static.
2258 (print_insn_chain, print_insn_chains): Move it from global.c.
2259 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
2260 (build_insn_chain): Ditto. Make it static.
2261 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
2262 Rename to init_live_subregs.
2263 (gate_ira): Remove flag_ira.
2265 * regclass.c: Rename reginfo.c. Change file description.
2266 (FORBIDDEN_INC_DEC_CLASSES): Remove.
2267 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
2268 (init_reg_sets_1): Remove code for evaluation of
2269 reg_class_superclasses and losing_caller_save_reg_set.
2270 (init_regs): Remove init_reg_autoinc.
2271 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
2272 ok_for_base_p_nonstrict): Remove.
2273 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
2274 (pass_regclass_init): Rename to pass_reginfo_init. Modify
2275 corresponding entries.
2276 (dump_regclass, record_operand_costs, scan_one_insn,
2277 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
2278 record_address_regs, auto_inc_dec_reg_p): Remove.
2279 (gt-regclass.h): Rename to gt-reginfo.h.
2281 * rtl.h (dump_global_regs, retry_global_alloc,
2282 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
2284 * Makefile.in (RA_H): Remove.
2285 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
2286 Rename regclass.o to reginfo.o.
2287 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
2289 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
2290 (GTFILES): Rename regclass.c to reginfo.c.
2292 * passes.c (init_optimization_passes): Remove pass_local_alloc and
2293 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
2295 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2296 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
2298 (finish_spills): Ditto. Remove code for !flag_ira.
2300 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
2303 * doc/invoke.texi (rtl debug options): Complete rewrite.
2304 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
2306 * mode-switching.c (pass_mode_switching): Rename pass from
2307 "mode-sw" to "mode_sw".
2308 * except.c (pass_convert_to_eh_ranges): Rename pass from
2309 "eh-ranges" to "eh_ranges".
2310 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
2314 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
2315 Alexander Monakov <amonakov@ispras.ru>
2318 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
2320 (move_exprs_to_boundary): Change return type and pass through
2321 should_move from move_op. Relax assert. Update usage ...
2322 (schedule_expr_on_boundary): ... here. Use should_move instead of
2324 (move_op_orig_expr_found): Indicate that insn was disconnected from
2326 (code_motion_process_successors): Do not call after_merge_succs
2327 callback if original expression was not found when traversing any of
2329 (code_motion_path_driver): Change return type. Update prototype.
2330 (move_op): Update comment. Add a new parameter (should_move). Update
2331 prototype. Set *should_move based on indication provided by
2332 move_op_orig_expr_found.
2334 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
2336 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
2337 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
2338 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
2339 * config/rs6000/rs6000.c (rs6000_override_options): Default
2340 avoid-indexed-addresses on for Power6, off for everything else.
2341 (avoiding_indexed_address_p): New function.
2342 (rs6000_legitimize_address): Use it.
2343 (rs6000_legitimate_address): Likewise.
2344 * config/rs6000/rs6000.md (movXX_updateX): Likewise
2346 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
2348 PR tree-optimization/38997
2349 * tree-loop-distribution.c (generate_memset_zero): Use
2350 POINTER_PLUS_EXPR for a pointer addition.
2352 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
2354 * config/s390/s390.md (bswap<mode>2): New pattern added.
2356 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
2358 * config/s390/s390.md (*tls_load_31): Added type attribute.
2360 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
2362 * config/s390/s390.md: Fix a few comments.
2364 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
2366 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
2367 (*tm<mode>_full): Fixed z10prop attribute.
2368 (*tst<mode>_extimm): Fixed z10prop attribute.
2369 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
2370 (*tstqiCCT_cconly): Fixed z10prop attribute.
2371 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
2372 (*movsi_larl): Fixed z10prop attribute.
2373 (*movsi_zarch): Fixed z10prop attribute.
2374 (*movsi_eas): Fixed z10prop attribute.
2375 (*movhi): Fixed z10prop attribute.
2376 (*movqi): Fixed z10prop attribute.
2377 (*movstrictqi): Fixed z10prop attribute.
2378 (*mov<mode>): Fixed z10prop attribute.
2379 (*movcc): Fixed z10prop attribute.
2380 (*sethighpartdi_64): Fixed z10prop attribute.
2381 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
2382 (*negdi2_sign_cc): Fixed z10prop attribute.
2383 (*negdi2_sign): Fixed z10prop attribute.
2384 (*absdi2_sign_cc): Fixed z10prop attribute.
2385 (*absdi2_sign): Fixed z10prop attribute.
2386 (*negabsdi2_sign_cc): Fixed z10prop attribute.
2387 (*negabsdi2_sign): Fixed z10prop attribute.
2388 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
2389 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
2390 (doloop_si64): Fixed z10prop attribute.
2391 (doloop_si31): Fixed z10prop attribute.
2392 (doloop_long): Fixed z10prop attribute.
2393 (indirect_jump): Fixed z10prop attribute.
2394 (nop): Fixed z10prop attribute.
2395 (main_base_64): Fixed z10prop attribute.
2396 (reload_base_64): Fixed z10prop attribute.
2398 2009-01-28 Jakub Jelinek <jakub@redhat.com>
2400 PR rtl-optimization/38740
2401 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
2403 * config/mips/mips.c (mips_reorg): Likewise.
2405 2009-01-28 Richard Guenther <rguenther@suse.de>
2407 PR tree-optimization/38926
2408 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
2409 with the correct value id to a value.
2410 (do_regular_insertion): Use the value number of edoubleprime
2411 for the value number of the expr.
2414 2008-08-21 Richard Guenther <rguenther@suse.de>
2416 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
2417 a PHI ask VN if it is already available.
2418 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
2419 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
2421 2009-01-28 Jakub Jelinek <jakub@redhat.com>
2424 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
2425 set to varying whenever max has TREE_OVERFLOW set, similarly
2426 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
2428 2009-01-28 Richard Guenther <rguenther@suse.de>
2431 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
2432 uninitialized aggregate uses in call arguments.
2434 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
2436 PR tree-optimization/38984
2437 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
2438 the nothing_id variable if -fno-delete-null-pointer-checks.
2440 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
2443 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
2444 (set_got_offset_rex64): Ditto.
2446 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
2449 * doc/extend.texi: Improve local variable with asm reg.
2451 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
2453 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
2454 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
2455 was not supplied then set warn_packed_bitfield_compat to the
2457 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
2460 2009-01-27 Richard Guenther <rguenther@suse.de>
2462 PR tree-optimization/38503
2463 * cfgexpand.c (expand_gimple_basic_block): Ignore
2464 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
2465 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
2466 variables that cannot have TBAA applied.
2467 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
2470 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
2473 * calls.c (initialize_argument_information): Do not wrap complex
2474 arguments in SAVE_EXPR.
2476 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
2478 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
2479 (INSTALL_LIBGCC): Revert typo commit.
2481 2009-01-26 Richard Guenther <rguenther@suse.de>
2483 PR tree-optimization/38745
2484 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
2485 from special handling.
2487 2009-01-26 Richard Guenther <rguenther@suse.de>
2489 PR tree-optimization/38745
2490 * tree-ssa.c (execute_update_addresses_taken): Do not include
2491 variables that cannot possibly be a register in not_reg_needs.
2492 Do not clear TREE_ADDRESSABLE on vars that may not become
2494 * tree-ssa.c (update_alias_info_1): Include those in the set
2495 of addressable vars.
2497 2009-01-26 Richard Guenther <rguenther@suse.de>
2500 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
2501 * tree-ssa-dse.c: Include langhooks.h
2502 (execute_simple_dse): Remove stores with zero size.
2504 2009-01-24 Jakub Jelinek <jakub@redhat.com>
2507 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
2510 2009-01-24 Julian Brown <julian@codesourcery.com>
2512 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
2513 config/arm/linux-atomic.c.
2514 * config/arm/linux-atomic.c: New.
2516 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
2518 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
2519 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
2520 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
2522 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
2525 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
2528 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
2530 PR tree-optimization/38953
2531 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
2532 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
2533 (gloog): Split the exit of the scop when the scop exit is a loop exit.
2534 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
2537 2009-01-24 Paul Brook <paul@codesourcery.com>
2539 * config/arm/neon.md (neon_type): Move to arm.md.
2540 (neon_mov<VSTRUCT>): Add neon_type attribute.
2541 * config/arm/arm.md (neon_type): Move to here.
2542 (conds): Add "unconditioal" and use as default for NEON insns.
2544 2009-01-24 Ben Elliston <bje@au.ibm.com>
2546 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
2547 void *' warning from -Wc++-compat.
2548 * Makefile.in (dominance.o-warn): Remove.
2550 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
2552 PR tree-optimization/38932
2553 * fold-const.c (fold_unary_ignore_overflow): New.
2554 * tree.h (fold_unary_ignore_overflow): Declare.
2555 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
2556 * tree-ssa-sccvn.c (visit_reference_op_load,
2557 simplify_unary_expression): Likewise.
2559 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
2561 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
2562 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
2563 regardless of their type.
2564 * c-common.c (handle_packed_attribute): Don't ignore packed on
2566 * c.opt (Wpacked-bitfield-compat): New warning option.
2567 * stor-layout.c (place_field): Warn if offset of a field changed.
2568 * doc/extend.texi (packed): Mention the ABI change.
2569 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
2570 (Warning Options): Add it to the list.
2572 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
2574 * c-opts.c (c_common_post_options): Fix a typo in comments.
2576 2009-01-22 Steve Ellcey <sje@cup.hp.com>
2579 * gimplify.c (gimplify_init_constructor): Fix promotion of const
2580 variables to static.
2581 * doc/invoke.texi (-fmerge-all-constants): Update description.
2583 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
2586 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
2587 (*movdi_1_rex64): Use type "mmx" for alternative 5.
2589 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
2591 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
2593 (LOCAL_ALIGNMENT): Similarly.
2595 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2596 Joseph Myers <joseph@codesourcery.com>
2598 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
2599 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
2600 * config/arm/arm-tune.md: Regenerate.
2601 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
2604 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2606 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
2607 version number to five.
2609 2009-01-22 Dodji Seketeli <dodji@redhat.com>
2612 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
2613 * c-common.c (set_underlying_type): Likewise.
2614 (is_typedef_decl ): Likewise
2616 (set_underlying_type): Likewise.
2617 (is_typedef_type): Likewise.
2619 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
2622 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
2625 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
2628 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
2629 (LIBGCC_SPEC): Don't define.
2630 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
2632 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
2634 PR rtl-optimization/38879
2635 * alias.c (base_alias_check): Unaligned access via AND address can
2636 alias all surrounding object types except those with sizes equal
2637 or wider than the size of unaligned access.
2639 2009-01-21 Dodji Seketeli <dodji@redhat.com>
2642 * c-decl.c: (clone_underlying_type): Move this ...
2643 * c-common.c (set_underlying_type): ... here.
2644 Also, make sure the function properly sets TYPE_STUB_DECL() on
2645 the newly created typedef variant type.
2646 (is_typedef_decl ): New entry point.
2647 * tree.h: Added a new member member_types_needing_access_check to
2648 struct tree_decl_non_common.
2649 (set_underlying_type): New entry point.
2650 (is_typedef_type): Likewise.
2652 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
2654 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
2655 Check whether two instructions have memory references that
2656 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
2657 are helper functions for traversing.
2658 * alias.h (insn_alias_sets_confilict_p): New prototypes.
2659 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
2660 not to draw dependency edge for instructions with non-conflicting
2663 2009-01-20 Joseph Myers <joseph@codesourcery.com>
2666 * longlong.h: Update copyright years. Use soft-fp license notice.
2667 Sync __clz_tab declaration with glibc.
2669 2009-01-20 Steve Ellcey <sje@cup.hp.com>
2672 * doc/extend.texi (syscall_linkage): New.
2673 (version_id): Modify.
2675 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2676 Richard Guenther <rguenther@suse.de>
2678 PR tree-optimization/38747
2679 PR tree-optimization/38748
2680 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
2681 conversion if the base address is an indirect reference and the
2682 aliasing sets could cause issues.
2684 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2686 * common.opt (fgraphite, fgraphite-identity): Add comment for
2687 explaining why these options are not documented.
2689 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2691 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2692 gimple_call_lhs is NULL.
2694 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
2697 * emit-rtl.c (adjust_address_1): Make sure memref is never
2700 2009-01-20 Ben Elliston <bje@au.ibm.com>
2702 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2703 const qualifier from arg parameter. Remove unnecessary cast to char *.
2704 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2705 const qualifier from arg 2.
2707 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
2709 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
2711 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
2714 * rtl.h (reinit_regs): New prototype.
2715 * regclass.c: Include ira.h.
2717 * Makefile.in (regclass.o): Add ira.h.
2718 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2720 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
2723 * c-common.c (handle_aligned_attribute): Use
2724 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
2725 default alignment value.
2727 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
2729 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
2730 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
2732 * doc/extend.texi: Update __attribute__ ((aligned)). Document
2733 __BIGGEST_ALIGNMENT__.
2735 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2737 2009-01-18 Richard Guenther <rguenther@suse.de>
2739 PR tree-optimization/38819
2740 * tree-flow.h (operation_could_trap_helper_p): Declare.
2741 * tree-eh.c (operation_could_trap_helper_p): Export.
2742 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
2743 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
2744 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
2745 are about to insert a possibly trapping instruction and fail
2748 2009-01-18 Andreas Schwab <schwab@suse.de>
2750 * doc/install.texi (Configuration): Remove obsolete paragraph
2751 about use of --with-gnu-ld with --with-gnu-as.
2753 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
2755 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
2756 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
2757 Follow spelling conventions.
2759 2009-01-18 Ben Elliston <bje@au.ibm.com>
2761 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
2762 C++ warning about implicit conversion from void * to struct
2764 (bitmap_obstack_free): Likewise for bitmap_element *.
2765 * Makefile.in (bitmap.o-warn): Remove.
2767 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
2769 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
2771 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
2772 Tobias Grosser <tobi.grosser@amd.com>
2774 * graphite.c (graphite_trans_scop_block): Do not block single
2777 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
2779 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2780 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2781 test with assertion.
2783 2009-01-16 Richard Guenther <rguenther@suse.de>
2785 PR tree-optimization/38835
2787 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2788 and INT + PTR -> (INT)(PTR p+ INT) folding.
2789 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2791 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
2794 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2795 the subreg from a lowpart subreg if it is also casting the value.
2797 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2798 Tobias Grosser <tobi.grosser@amd.com>
2800 * graphite.c (compare_prefix_loops): New.
2801 (build_scop_canonical_schedules): Rewritten.
2802 (graphite_transform_loops): Move build_scop_canonical_schedules
2803 after build_scop_iteration_domain.
2805 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2806 Tobias Grosser <tobi.grosser@amd.com>
2808 * graphite.c (add_conditions_to_domain): Add the loops to
2809 the dimension of the iteration domain. Do copy the domain
2810 only when it exists.
2811 (build_scop_conditions_1): Do not call add_conditions_to_domain.
2812 (add_conditions_to_constraints): New.
2813 (can_generate_code_stmt, can_generate_code): Removed.
2814 (gloog): Do not call can_generate_code.
2815 (graphite_transform_loops): Call add_conditions_to_constraints
2816 after building the iteration domain.
2818 2009-01-16 Jakub Jelinek <jakub@redhat.com>
2820 PR tree-optimization/38789
2821 * tree-ssa-threadedge.c
2822 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2823 __builtin_constant_p.
2825 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
2827 * dce.c (delete_unmarked_insns): Reversed the order that insns are
2828 examined before deleting them.
2830 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
2832 * function.c (aggregate_value_p): Correctly extract the function
2833 type from CALL_EXPR_FN lookup.
2835 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2837 * config/picochip/picochip.c (picochip_override_options): Revert
2838 CFI asm flag disable commited previously.
2840 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
2841 Tobias Grosser <tobi.grosser@amd.com>
2842 Jan Sjodin <jan.sjodin@amd.com>
2844 * graphite.c (scan_tree_for_params): On substractions negate
2845 all the coefficients of the term.
2846 (clast_to_gcc_expression_red): New. Handle reduction expressions
2847 of more than two operands.
2848 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2849 (get_vdef_before_scop): Handle also the case of default definitions.
2851 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2853 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2854 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2855 Also use them when walking CALL_INSN_FUNCTION_USAGE.
2857 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
2858 Joey Ye <joey.ye@intel.com>
2861 * cfgexpand.c (expand_stack_alignment): Don't update stack
2862 boundary nor check incoming stack boundary here.
2863 (gimple_expand_cfg): Update stack boundary and check incoming
2864 stack boundary here.
2866 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
2868 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2870 2009-01-14 Jakub Jelinek <jakub@redhat.com>
2872 PR rtl-optimization/38245
2873 * calls.c (expand_call): Add stack arguments to
2874 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2875 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2876 in regs and partially in memory or BLKmode arguments.
2877 (emit_library_call_value_1): Add stack arguments to
2878 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2879 ACCUMULATE_OUTGOING_ARGS).
2880 * dce.c: Include tm_p.h.
2881 (find_call_stack_args): New function.
2882 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
2884 (mark_insn): Call find_call_stack_args for CALL_Ps.
2885 (prescan_insns_for_dce): Walk insns backwards in bb rather than
2886 forwards. Allocate and free arg_stores bitmap if needed, pass it
2887 down to deletable_insn_p, don't mark stores set in arg_stores
2888 bitmap, clear the bitmap at the beginning of each bb.
2889 * Makefile.in (dce.o): Depend on $(TM_P_H).
2891 2009-01-14 Michael Meissner <gnu@the-meissners.org>
2894 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2895 to make sure the insn is a conditional test (bug 22599). Reformat a
2898 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
2901 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2902 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2903 (gloog): Do not call cleanup_tree_cfg.
2904 (graphite_transform_loops): Call cleanup_tree_cfg after all
2905 scops have been code generated.
2907 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2908 * doc/gty.texi (Invoking the garbage collector): Added new node
2909 and section documenting ggc_collect.
2911 2009-01-14 Richard Guenther <rguenther@suse.de>
2913 PR tree-optimization/38826
2915 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2916 initialization notes only if we actually emitted a warning.
2917 (intra_create_variable_infos): Add constraints for a result decl
2918 that is passed by hidden reference.
2919 (build_pred_graph): Mark all related variables non-direct on
2922 2009-01-14 Nick Clifton <nickc@redhat.com>
2924 * ira-conflicts.c: Include addresses.h for the definition of
2926 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2927 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2929 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2932 * Makefile.in (ira-lives.o): Add except.h.
2934 * ira-lives.c: Include except.h.
2935 (process_bb_node_lives): Process can_throw_internal.
2937 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2939 PR rtl-optimization/38774
2940 * combine.c (simplify_set): When undoing cc_use change, don't do
2941 PUT_CODE on the newly created comparison, but instead put back the
2944 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2946 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2947 values. Remove duplicate arm8 entry.
2949 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2951 PR tree-optimization/38786
2952 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2953 the SSA_NAME case of expand_scalar_variables_expr.
2954 Set the type of an expression to the type of its assign statement.
2955 (expand_scalar_variables_expr): Also gather the scalar computation
2956 used to index the memory access. Do not pass loop_p.
2957 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2958 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2959 the gimple_stmt_iterator where it inserts new code.
2961 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2962 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2964 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2966 * graphite.h (debug_value): Removed.
2967 * graphite.c (debug_value): Removed.
2969 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2971 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2972 ldrd/strd with two 32-bit instructions.
2974 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2976 * config/arm/arm.c (struct processors): Pass for speed down into
2977 cost helper functions.
2978 (const_ok_for_op): Handle COMPARE and inequality nodes.
2979 (arm_rtx_costs_1): Rewrite.
2980 (arm_size_rtx_costs): Update prototype.
2981 (arm_rtx_costs): Pass speed down to helper functions.
2982 (arm_slowmul_rtx_costs): Rework cost calculations.
2983 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2984 (arm_9e_rtx_costs): Likewise.
2986 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2988 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2989 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2990 (alpha_legitimize_address): Do not split local symbols wider than
2991 UNITS_PER_WORD into HIGH/LO_SUM parts.
2993 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2996 * gcc.c (process_command): Replace call to execvp with calls
2997 to pex_one and exit.
2999 2009-01-03 Anatoly Sokolov <aesok@post.ru>
3002 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
3003 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
3004 variant for devices with 3-byte PC.
3005 (__tablejump_elpm__) : New.
3007 2009-01-12 Jakub Jelinek <jakub@redhat.com>
3010 * c-parser.c (c_parser_postfix_expression): Allow `->' in
3011 offsetof member-designator, handle it as `[0].'.
3013 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3015 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
3016 function when not using named sections on targets with named sections
3017 if branch distance is less than 262132.
3019 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
3021 * combine.c (combine_instructions): Recompute
3022 optimize_this_for_speed_p for each BB in the main combine loop.
3024 2009-01-12 Tomas Bily <tbily@suse.cz>
3027 * tree-loop-distribution.c (prop_phis): New function.
3028 (generate_builtin): Call prop_phis.
3029 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
3031 2009-01-12 Jakub Jelinek <jakub@redhat.com>
3033 PR tree-optimization/38807
3034 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
3035 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
3037 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
3039 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
3040 subreg of op0 to the original op0.
3042 2009-01-11 Laurent GUERBY <laurent@guerby.net>
3044 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
3046 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
3049 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
3050 starting with digits.
3052 2009-01-10 Jakub Jelinek <jakub@redhat.com>
3055 * config/arm/arm.c (arm_is_long_call_p): Don't call
3056 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
3058 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
3060 * regrename.c (regrename_optimize): Fix dumping.
3061 (find_oldest_value_reg): Preserve REG_POINTER.
3062 (copy_hardreg_forward_1): Likewise.
3064 2009-01-09 Diego Novillo <dnovillo@google.com>
3066 * gimple.h (struct gimple_statement_base) <uid>: Document
3067 the restrictions on its use.
3069 (gimple_set_uid): Tidy.
3071 2009-01-09 Jakub Jelinek <jakub@redhat.com>
3073 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
3074 zero guard even if align_bytes != 0 and count is smaller than
3077 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
3079 PR rtl-optimization/38495
3080 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
3081 (add_range_and_copies_from_move_list): Print all added ranges.
3082 Add ranges to memory optimized destination.
3084 2009-01-09 Jakub Jelinek <jakub@redhat.com>
3088 * config/i386/i386.c (override_options): Reject
3089 -mstringop-strategy=rep_8byte with -m32.
3090 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
3091 to 1. Do count comparison against epilogue_size_needed at compile
3092 time even when count_exp was constant forced into register. For
3093 size_needed don't jump to epilogue, instead just avoid aligning
3094 and invoke the body algorithm. If need_zero_guard, add zero guard
3095 even if count is non-zero, but smaller than size_needed + number of
3096 bytes that could be stored for alignment.
3097 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
3098 to 1. If need_zero_guard, add zero guard even if count is non-zero,
3099 but smaller than size_needed + number of bytes that could be stored
3100 for alignment. Compare size_needed with epilogue_size_needed instead
3101 of desired_align - align, don't adjust size_needed, pass
3102 epilogue_size_needed to the epilogue expanders.
3105 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
3107 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3109 * pa.c (last_address): Change to unsigned.
3110 (update_total_code_bytes): Change argument to unsigned. Don't
3111 check if insn addresses are set.
3112 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
3113 addresses are not set.
3114 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
3116 2009-01-09 Nick Clifton <nickc@redhat.com>
3118 * config/sh/symbian.c: Replace uses of DECL_INLINE with
3119 DECL_DECLARED_INLINE_P.
3121 2009-01-09 Jakub Jelinek <jakub@redhat.com>
3124 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
3125 GET_MODE (op0) in operand_subword_force calls.
3128 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
3129 fold_convert arg0 operands to TREE_TYPE (op0) first.
3131 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
3133 * params.def (ira-max-conflict-table-size): Decrease default value
3136 2009-01-08 Jakub Jelinek <jakub@redhat.com>
3138 PR tree-optimization/37031
3139 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
3141 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
3142 allocate it using gc instead of heap, use VEC_quick_push instead of
3144 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
3145 instead of heap, use VEC_quick_push instead of VEC_safe_push.
3146 * tree-data-ref.h (struct access_matrix): Change matrix to gc
3147 allocated vector from heap allocated.
3148 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
3149 * tree-loop-linear.c (linear_transform_loops): Allocate nest
3150 vector only after perfect_loop_nest_depth call.
3152 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
3153 Jan Sjodin <jan.sjodin@amd.com>
3155 PR tree-optimization/38559
3156 * graphite.c (debug_value, copy_constraint,
3157 swap_constraint_variables, scale_constraint_variable, ): New.
3158 (get_lower_bound, get_upper_bound): Removed.
3159 (graphite_trans_bb_strip_mine): Clean up this code that works
3160 only for constant number of iterations. Fully copy upper and
3161 lower bound constraints, not only the constant part of them.
3162 * graphite.h (debug_value): Declared.
3164 2009-01-08 Ira Rosen <irar@il.ibm.com>
3166 PR tree-optimization/37194
3167 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
3168 Don't add the cost of cost model guard in prologue to scalar
3169 outside cost in case of known number of iterations.
3171 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
3172 Alan Modra <amodra@bigpond.net.au>
3174 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
3175 non-word-aligned REG+CONST addressing.
3177 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
3180 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
3181 free_after_compilation when outputting a thunk.
3182 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
3183 Do not call free_after_compilation here.
3185 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
3187 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
3188 (ix86_valid_target_attribute_inner_p): Ditto.
3190 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
3192 PR tree-optimization/38492
3193 PR tree-optimization/38498
3194 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
3195 * tree-chrec.h (scev_is_linear_expression): Declared.
3196 * graphite.c (graphite_cannot_represent_loop_niter): New.
3197 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
3198 (graphite_loop_normal_form): Use gcc_assert.
3199 (scan_tree_for_params): Use CASE_CONVERT.
3200 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
3201 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
3202 Use gcc_assert. Discard scops that contain unhandled cases.
3203 (build_scop_conditions): Return a boolean status for unhandled cases.
3204 (strip_mine_profitable_p): Print the loop number, not its depth.
3205 (is_interchange_valid): Pass the depth of the loop nest, don't
3206 recompute it wrongly.
3207 (graphite_trans_bb_block): Same.
3208 (graphite_trans_bb_block): Print tentative of loop blocking.
3209 (graphite_trans_scop_block): Do not print that the loop has been
3211 (graphite_transform_loops): Do not handle scops that contain condition
3214 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
3216 AVX Programming Reference (December, 2008)
3217 * config/i386/avxintrin.h (_mm256_stream_si256): New.
3218 (_mm256_stream_pd): Likewise.
3219 (_mm256_stream_ps): Likewise.
3221 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
3222 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
3223 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
3224 (bdesc_special_args): Add __builtin_ia32_movntdq256,
3225 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
3226 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
3227 (ix86_expand_special_args_builtin): Likewise.
3229 * config/i386/sse.md (AVXMODEDI): New.
3230 (avx_movnt<mode>): Likewise.
3231 (avx_movnt<mode>): Likewise.
3232 (<sse>_movnt<mode>): Remove AVX support.
3233 (sse2_movntv2di): Likewise.
3235 2009-01-07 Richard Guenther <rguenther@suse.de>
3238 * fold-const.c (extract_muldiv): Remove obsolete comment.
3239 (fold_plusminus_mult_expr): Undo MINUS_EXPR
3240 to PLUS_EXPR canonicalization for the canonicalization.
3242 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
3244 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
3245 hosted cross-compilers generating less efficient code.
3247 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
3249 * function.h (rtl_data): Add a dbr_scheduled_p field.
3250 * reorg.c (dbr_schedule): Set it.
3251 (gate_handle_delay_slots): Check it.
3252 * config/mips/mips.c (mips_base_delayed_branch): Delete.
3253 (mips_reorg): Check flag_delayed_branch instead of
3254 mips_base_delayed_branch.
3255 (mips_override_options): Don't set mips_base_delayed_branch
3256 or flag_delayed_branch.
3258 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
3260 PR rtl-optimization/38426.
3261 * ira.c (ira): Set current_function_is_leaf earlier.
3263 2009-01-06 Jakub Jelinek <jakub@redhat.com>
3265 PR rtl-optimization/38722
3266 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
3267 too early, only set a flag and modify after last possible
3270 2009-01-06 Janis Johnson <janis187@us.ibm.com>
3273 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
3274 * real.c (decimal_single_format): Correct values of emin and emax.
3275 (decimal_double_format): Ditto.
3276 (decimal_quad_format): Ditto.
3277 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
3278 computation of DECnn_MIN and DECnn_MAX for corrected values of
3279 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
3280 __DECnn_MIN__, and adjust its computation for the corrected value
3283 2009-01-06 Jan Hubicka <jh@suse.cz>
3286 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
3288 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
3290 * doc/contrib.texi (Contributors): Slightly adjust the end note.
3291 Add Robert Clark to the list of testers.
3293 2009-01-06 Jan Hubicka <jh@suse.cz>
3294 Kai Tietz <kai.tietz@onevision.com>
3296 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
3297 * config/i386/i386.c (ix86_expand_call): Add clobbers.
3299 2009-01-06 Jan Hubicka <jh@suse.cz>
3300 Kai Tietz <kai.tietz@onevision.com>
3302 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
3304 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
3305 (ix86_nsaved_regs): Count only general purpose regs.
3306 (ix86_nsaved_sseregs): New.
3307 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
3308 to 16 for w64; compute padding and size of sse reg save area.
3309 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
3310 general purpose regs.
3311 (ix86_emit_save_sse_regs_using_mov): New.
3312 (ix86_expand_prologue): Save SSE regs if needed.
3313 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
3314 (ix86_emit_restore_sse_regs_using_mov): New.
3315 (ix86_expand_epilogue): Save SSE regs if needed.
3317 2009-01-06 Jan Hubicka <jh@suse.cz>
3318 Kai Tietz <kai.tietz@onevision.com>
3320 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
3321 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
3322 functions when accumulate outgoing args is off.
3324 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
3327 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
3328 before using pseudos_have_intersected_live_ranges_p.
3330 * ira-int.h (ira_assert): Always define.
3332 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
3334 AVX Programming Reference (December, 2008)
3335 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
3336 (_mm256_permute2_pd): Likewise.
3337 (_mm_permute2_ps): Likewise.
3338 (_mm256_permute2_ps): Likewise.
3339 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
3340 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
3342 * config/i386/i386.c (ix86_builtins): Remove
3343 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
3344 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
3345 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
3346 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
3347 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
3348 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
3349 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
3350 __builtin_ia32_vpermil2ps256.
3351 (ix86_init_mmx_sse_builtins): Updated.
3352 (ix86_expand_args_builtin): Likewise.
3354 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3356 * pa.c (output_call): Relocate non-jump insns in the delay slot of
3357 long absolute calls when generating PA 2.0 code.
3359 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
3361 PR rtl-optimization/38583
3362 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
3364 * params.def (ira-max-conflict-table-size): New.
3366 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
3368 * ira.h (ira_conflicts_p): New external definition.
3370 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
3371 table. Report this. Return result of building.
3372 (ira_build_conflicts): Use ira_conflicts_p. Check result of
3373 building conflict table.
3375 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
3376 (ira_color): Use ira_conflicts_p.
3378 * global.c: Include ira.h.
3379 (pseudo_for_reload_consideration_p, build_insn_chain): Use
3382 * Makefile.in (global.o): Add ira.h.
3384 * ira-build.c (mark_all_loops_for_removal,
3385 propagate_some_info_from_allocno): New.
3386 (remove_unnecessary_allocnos): Call
3387 propagate_some_info_from_allocno.
3388 (remove_low_level_allocnos): New.
3389 (remove_unnecessary_regions): Add parameter. Call
3390 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
3391 parameter to remove_unnecessary_regions.
3392 (ira_build): Remove all regions but root if the conflict table was
3393 not built. Update conflict hard regs for allocnos crossing calls.
3395 * ira.c (ira_conflicts_p): New global.
3396 (ira): Define and use ira_conflicts_p.
3398 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
3399 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
3400 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
3402 2009-01-06 Ben Elliston <bje@au.ibm.com>
3404 * gengtype-lex.l (YY_NO_INPUT): Define.
3406 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
3409 * c-common.c (handle_vector_size_attribute): Also reject
3412 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
3414 PR tree-optimization/38492
3415 * graphite.c (rename_map_elt, debug_rename_elt,
3416 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
3417 rename_map_elt_info, eq_rename_map_elts,
3418 get_new_name_from_old_name, bb_in_sese_p): Moved around.
3419 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
3420 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
3421 (sese_build_livein_liveouts): New.
3422 (new_sese, free_sese): New.
3423 (new_scop): Call new_sese.
3424 (free_scop): Call free_sese.
3425 (rename_variables_from_edge, rename_phis_end_scop): Removed.
3426 (register_old_new_names): Renamed register_old_and_new_names.
3427 (register_scop_liveout_renames, add_loop_exit_phis,
3428 insert_loop_close_phis, struct igp,
3429 default_liveout_before_guard, add_guard_exit_phis,
3430 insert_guard_phis, copy_renames): New.
3431 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
3432 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
3433 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
3434 (scop_adjust_phis_for_liveouts): New.
3435 (gloog): Call scop_adjust_phis_for_liveouts.
3437 * graphite.h (struct sese): Documented. Added fields liveout,
3439 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
3440 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
3441 (struct scop): Added field liveout_renames.
3442 (SCOP_LIVEOUT_RENAMES): New.
3444 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
3446 PR tree-optimization/38510
3447 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
3448 (translate_clast): Call recompute_all_dominators before
3450 (gloog): Call recompute_all_dominators before graphite_verify.
3452 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
3453 Jan Sjodin <jan.sjodin@amd.com>
3455 PR tree-optimization/38500
3456 * graphite.c (create_sese_edges): Call fix_loop_structure after
3459 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
3461 * config.gcc: Add m32r*-*-rtems*.
3462 * config/m32r/rtems.h: New file.
3464 2009-01-05 Ben Elliston <bje@au.ibm.com>
3466 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
3467 (.po.pox): Likewise.
3468 (po/gcc.pot): Likewise.
3470 2009-01-04 David S. Miller <davem@davemloft.net>
3472 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
3473 (STARTING_FRAME_OFFSET): Always set to zero.
3475 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
3477 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
3478 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
3479 fixed-point types, and vectors of the same.
3481 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
3483 * config/mips/sync.md (*mb_barrier): Rename to...
3484 (*memory_barrier): ...this.
3486 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
3488 * doc/extend.texi (Function Attributes): Move @cindex after @item
3489 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
3490 and put in alphabetical order. Fix 'target' name and put in order.
3491 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
3494 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
3496 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
3497 (memory_barrier): Expand as unspec instead of unspec_volatile.
3498 Remove mem:BLK from insn operands. Use Pmode scratch register.
3499 (*memory_barrier): Define as unspec instead of unspec_volatile.
3500 Use (match_dup 0) as input operand.
3502 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
3503 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
3504 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
3505 scratch register. Remove operand 1.
3506 (*stbar): Define as unspec instead of unspec_volatile.
3507 Use (match_dup 0) as input operand, remove (const_int 8).
3508 (*membar): Define as unspec instead of unspec_volatile.
3509 Use (match_dup 0) as input operand, remove input operand 2.
3511 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
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/ia64/sync.md (memory_barrier): Redefine as expander pattern.
3518 Remove mem:BLK from insn operands. Use Pmode scratch register.
3519 Set volatile flag on operand 0.
3520 (*memory_barrier): New insn pattern.
3522 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
3524 (*memory_barrier): Use (match_dup 0) as input operand.
3526 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
3527 Remove mem:BLK from insn operands. Use Pmode scratch register.
3528 Set volatile flag on operand 0.
3529 (*mb_internal): New insn pattern.
3531 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
3533 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
3536 * function.c (struct temp_slot): Move to the section of the file
3537 that deals with temp slots. Remove field 'address'.
3538 (temp_slot_address_table): New hash table of address -> temp slot.
3539 (struct temp_slot_address_entry): New struct, items for the table.
3540 (temp_slot_address_compute_hash, temp_slot_address_hash,
3541 temp_slot_address_eq, insert_temp_slot_address): Support functions
3543 (find_temp_slot_from_address): Rewrite to use the new hash table.
3544 (remove_unused_temp_slot_addresses): Remove addresses of temp
3545 slots that have been made available.
3546 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
3547 worker function for remove_unused_temp_slot_addresses.
3548 (assign_stack_temp_for_type): Don't clear the temp slot address list.
3549 Add the temp slot address to the address -> temp slot map.
3550 (update_temp_slot_address): Update via insert_temp_slot_address.
3551 (free_temp_slots): Call remove_unused_temp_slot_addresses.
3552 (pop_temp_slots): Likewise.
3553 (init_temp_slots): Allocate the address -> temp slot map, or empty
3554 the map if it is already allocated.
3555 (prepare_function_start): Initialize temp slot processing.
3557 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
3560 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
3561 Calculate the size of all stack vars assuming no packing of stack
3562 vars will happen, replacing a quadratic algorithm with a linear one.
3564 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3567 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
3570 2009-01-03 Diego Novillo <dnovillo@google.com>
3572 * doc/contrib.texi: Update contributions.
3574 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3577 * builtins.c (fold_builtin_memory_op): Give up if either operand
3578 is volatile. Set srctype or desttype to non-qualified version
3582 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
3585 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
3587 PR rtl-optimization/35805
3588 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
3589 problem if fast dce is able to remove any instructions.
3590 * dce.c (dce_process_block): Fix dump message.
3592 2009-01-02 Mark Mitchell <mark@codesourcery.com>
3595 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
3597 2009-01-02 Jakub Jelinek <jakub@redhat.com>
3600 * tree-flow.h (op_code_prio, op_prio): New prototypes.
3601 * tree-pretty-print.c (op_code_prio): New function.
3602 (op_prio): No longer static. Use op_code_prio.
3603 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
3604 Use op_prio and op_code_prio to determine if () should be
3605 printed around operand(s) or not.
3607 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
3608 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
3609 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
3610 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
3611 pp_character instead of pp_string for single letter printing.
3613 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3615 * doc/extend.texi: Fix '#pragma GCC option' typo.
3617 2009-01-02 Richard Guenther <rguenther@suse.de>
3619 * doc/install.texi (--enable-checking): Mention different
3621 (--enable-stage1-checking): Document.
3623 2009-01-01 Andrew Pinski <pinskia@gmail.com>
3626 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
3627 case to be an error.
3629 2009-01-02 Ben Elliston <bje@au.ibm.com>
3631 * config/fp-bit.h (pack_d): Constify argument.
3632 * config/fp-bit.c (makenan): Constify return type. Remove casts.
3633 (isnan): Constify argument.
3637 (_fpadd_parts): Constify return type.
3638 (_fpmul_parts): Likewise.
3639 (_fpdiv_parts): Likewise.
3641 2009-01-01 Jakub Jelinek <jakub@redhat.com>
3644 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
3645 warn about overwriting initializer with side-effects or
3646 -Woverride-init if !IMPLICIT.
3647 (output_init_element): Likewise. Pass IMPLICIT down to
3649 (process_init_element): Add IMPLICIT argument. Pass it down
3650 to output_init_element.
3651 (push_init_element, pop_init_level, set_designator): Adjust
3652 process_init_element callers.
3653 (set_nonincremental_init, set_nonincremental_init_from_string):
3654 Adjust add_pending_init callers.
3655 (output_pending_init_elements): Adjust output_init_element callers.
3656 * c-tree.h (process_init_element): Adjust prototype.
3657 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
3658 process_init_element callers.