* symtab.c (insert_to_assembler_name_hash): Do not insert
register vars.
(unlink_from_assembler_name_hash): NULL out pointers of unlinked
var.
(symtab_prevail_in_asm_name_hash): New.
(symtab_initialize_asm_name_hash): Break out from ...
(symtab_node_for_asm): ... here.
(dump_symtab_base): Dump LTO file data.
(verify_symtab_base): Register vars are not in symtab.
* cgraph.h (symtab_initialize_asm_name_hash,
symtab_prevail_in_asm_name_hash): New functions.
(symtab_real_symbol_p): New inline.
* lto-symtab.c: Do not include gt-lto-symtab.h.
(lto_symtab_entry_def): Remove.
(lto_symtab_entry_t): Remove.
(lto_symtab_identifiers): Remove.
(lto_symtab_free): Remove.
(lto_symtab_entry_hash): Remove.
(lto_symtab_entry_eq): Remove.
(lto_symtab_entry_marked_p): Remove.
(lto_symtab_maybe_init_hash_table): Remove.
(resolution_guessed_p, set_resolution_guessed): New functions.
(lto_symtab_register_decl): Only set resolution info.
(lto_symtab_get, lto_symtab_get_resolution): Remove.
(lto_symtab_merge): Reorg to work across symtab; do nothing if decls
are same.
(lto_symtab_resolve_replaceable_p): Reorg to work on symtab.
(lto_symtab_resolve_can_prevail_p): Likewise; only real symbols can
prevail.
(lto_symtab_resolve_symbols): Reorg to work on symtab.
(lto_symtab_merge_decls_2): Likewise.
(lto_symtab_merge_decls_1): Likewise; add debug dumps.
(lto_symtab_merge_decls): Likewise; do not merge at ltrans stage.
(lto_symtab_merge_cgraph_nodes_1): Reorg to work on symtab.
(lto_symtab_merge_cgraph_nodes): Likewise; do not merge at ltrans stage.
(lto_symtab_prevailing_decl): Rewrite to lookup into symtab.
* lto-streaer.h (lto_symtab_free): Remove.
* lto-cgraph.c (add_references): Cleanup.
* varpool.c (varpool_assemble_decl): Skip hard regs.
* lto.c (lto_materialize_function): Update confused comment.
(read_cgraph_and_symbols): Do not free symtab.
From-SVN: r191466
2012-09-19 Richard Guenther <rguenther@suse.de>
PR other/53316
* common.opt (optimize_debug): New variable.
(Og): New optimization level.
* doc/invoke.texi (Og): Document.
* opts.c (maybe_default_option): Add debug parameter.
(maybe_default_options): Likewise.
(default_options_optimization): Handle -Og.
(common_handle_option): Likewise.
* passes.c (gate_all_optimizations): Do not run with -Og.
(gate_all_optimizations_g): New gate, run with -Og.
(pass_all_optimizations_g): New container pass, run with -Og.
(init_optimization_passes): Schedule pass_all_optimizations_g
alongside pass_all_optimizations.
From-SVN: r191464
PR middle-end/54364
* bb-reorder.c (connect_better_edge_p): New added.
(find_traces_1_round): When optimizing for size, ignore edge frequency
and probability, and handle all in one round.
(bb_to_key): Use bb->index as key when optimizing for size.
(better_edge_p): The bb with smaller index is better when optimizing
for size.
(connect_traces): When optimizing for size, connect block n with
block n + 1; connect trace m with trace m + 1 if falling through.
(gate_handle_reorder_blocks): Enable bbro when optimizing for -Os.
From-SVN: r191462
2012-09-19 Terry Guo <terry.guo@arm.com>
* lib/gcc-dg.exp (dg_runtest_extra_prunes): New variable to define
extra prune rules that will be applied to all tests in a .exp file.
(gcc-dg-prune): Use rules defined by the above variable.
* gcc.target/arm/arm.exp (dg_runtest_extra_prunes): Skip all the
harmless warnings on architecture switch conflict.
From-SVN: r191460
* g++.dg/debug/dwarf2/nested-3.C: Match a sequence
of asm-comment characters instead of a single one.
* g++.dg/debug/dwarf2/nested-2.C: Similar.
From-SVN: r191456
* posix.c (O_BINARY): Define if not defined.
(backtrace_open): Pass O_BINARY to open. Only call fcntl if
HAVE_FCNTL is defined.
* configure.ac: Test for the fcntl function.
* configure, config.h.in: Rebuild.
From-SVN: r191443
* strnlen.c: New file.
* configure.ac: Check for strnlen, add it to AC_LIBOBJ if it's not
present.
* Makefile.in: Rebuild dependencies.
(CFILES): Add strnlen.c.
(CONFIGURED_OFILES): Add ./strnlen.$(objext).
* configure, config.in, functions.texi: Rebuild.
* maint-tool: Accept .def files in the include directory.
From-SVN: r191432
* doc/invoke.texi: Document -fada-spec-parent.
c-family/
* c.opt (-fada-spec-parent): Define new command line switch.
* c-ada-spec.c (get_ada_package): When -fada-spec-parent
is specified, generate binding spec as a child of the specified unit.
From-SVN: r191427
PR tree-optimization/54610
* tree-ssa-forwprop.c: Include optabs.h. Don't include
tree-vectorizer.h.
(simplify_vector_constructor): Don't use vect_gen_perm_mask,
instead create the mask constant here.
* Makefile.in (tree-ssa-forwprop.o): Depend on $(OPTABS_H).
Don't depend on $(TREE_VECTORIZER_H).
* gcc.target/i386/pr54610.c: New test.
From-SVN: r191421
2012-09-17 Paul Koning <ni1d@arrl.net>
* doc/invoke.text (-feliminate-unused-debug-types): Update to
reflect that this is enabled by default.
From-SVN: r191404
