Uniquization of constants at the Tree level
* tree.h (DECL_IN_CONSTANT_POOL): New macro
(tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
bit to the end.
(tree_output_constant_def): Declare.
* gimplify.c (gimplify_init_constructor): When using block copy,
uniquize the constant constructor on the RHS.
* lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal
with DECL_IN_CONSTANT_POOL flag.
* lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
* varasm.c (make_decl_rtl): Deal with variables belonging to the
global constant pool.
(assemble_variable): Deal with symbols belonging to the tree constant
pool.
(get_constant_section): Add ALIGN parameter and simplify.
(build_constant_desc): Build a VAR_DECL and attach it to the symbol.
(assemble_constant_contents): Use the expression of the VAR_DECL.
(output_constant_def_contents): Use the alignment of the VAR_DECL.
(tree_output_constant_def): New global function.
(mark_constant): Use the expression of the VAR_DECL.
(place_block_symbol): Use the alignment of the VAR_DECL and the size
of its expression.
(output_object_block): Likewise and assemble the expression.
ada/
* gcc-interface/trans.c (gnat_gimplify_expr) <ADDR_EXPR>: Uniquize
constant constructors before taking their address.
From-SVN: r158838
2010-04-28 Martin Jambor <mjambor@suse.cz>
* cgraph.h (struct cgraph_node): New field indirect_calls.
(struct cgraph_indirect_call_info): New type.
(struct cgraph_edge): Removed field indirect_call. New fields
indirect_info, indirect_inlining_edge and indirect_unknown_callee.
(cgraph_create_indirect_edge): Declare.
(cgraph_make_edge_direct): Likewise.
(enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
* ipa-prop.h (struct ipa_param_call_note): Removed.
(struct ipa_node_params): Removed field param_calls.
(ipa_create_all_structures_for_iinln): Declare.
* cgraph.c: Described indirect edges and uids in initial comment.
(cgraph_add_edge_to_call_site_hash): New function.
(cgraph_edge): Search also among the indirect edges, use
cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
(cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
one, use cgraph_add_edge_to_call_site_hash to add edges to the call
site hash.
(initialize_inline_failed): Assign a reason to indirect edges.
(cgraph_create_edge_1): New function.
(cgraph_create_edge): Moved some functionality to
cgraph_create_edge_1.
(cgraph_create_indirect_edge): New function.
(cgraph_edge_remove_callee): Add an assert checking for
non-indirectness.
(cgraph_edge_remove_caller): Special-case indirect edges.
(cgraph_remove_edge): Likewise.
(cgraph_set_edge_callee): New function.
(cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
(cgraph_make_edge_direct): New function.
(cgraph_update_edges_for_call_stmt_node): Do nothing only when also
the declaration of the call statement matches.
(cgraph_node_remove_callees): Special-case indirect edges.
(cgraph_clone_edge): Likewise.
(cgraph_clone_node): Clone also the indirect edges.
(dump_cgraph_node): Dump indirect_inlining_edge flag instead of
indirect_call, dump count of indirect_calls edges.
* ipa-prop.c (iinlining_processed_edges): New variable.
(ipa_note_param_call): Create indirect edges instead of
creating notes. New parameter node.
(ipa_analyze_call_uses): New parameter node, pass it on to
ipa_note_param_call.
(ipa_analyze_stmt_uses): Likewise.
(ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
(print_edge_addition_message): Work on edges rather than on notes.
(update_call_notes_after_inlining): Likewise, renamed to
update_indirect_edges_after_inlining.
(ipa_create_all_structures_for_iinln): New function.
(ipa_free_node_params_substructures): Do not free notes.
(ipa_edge_duplication_hook): Propagate bits within
iinlining_processed_edges bitmap.
(ipa_node_duplication_hook): Do not duplicate notes.
(free_all_ipa_structures_after_ipa_cp): Renamed to
ipa_free_all_structures_after_ipa_cp.
(free_all_ipa_structures_after_iinln): Renamed to
ipa_free_all_structures_after_iinln.g
(ipa_write_param_call_note): Removed.
(ipa_read_param_call_note): Removed.
(ipa_write_indirect_edge_info): New function.
(ipa_read_indirect_edge_info): Likewise.
(ipa_write_node_info): Do not stream notes, do stream information
in indirect edges.
(ipa_read_node_info): Likewise.
(lto_ipa_fixup_call_notes): Removed.
* ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
* ipa-inline.c (pass_ipa_inline): Likewise.
* cgraphunit.c (verify_cgraph_node): Check also indirect edges.
* cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
* tree-inline.c (copy_bb): Removed an unnecessary double check for
is_gimple_call.
* tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
edges.
* lto-cgraph.c (output_outgoing_cgraph_edges): New function.
(output_cgraph): Stream also indirect edges.
(lto_output_edge): Added capability to stream indirect edges.
(input_edge): Likewise.
(input_cgraph_1): Likewise.
* testsuite/gcc.dg/lto/20091209-1_0.c: New testcase.
From-SVN: r158827
* tree.c (get_fns): Split out from get_first_fn.
* cp-tree.h: Declare it.
* search.c (shared_member_p): Use it.
* semantics.c (finish_qualified_id_expr): Simplify.
(finish_id_expression): Simplify.
From-SVN: r158810
* semantics.c (finish_qualified_id_expr): Use maybe_dummy_object
rather than checking current_class_ref directly.
(finish_call_expr): Likewise.
From-SVN: r158808
PR c++/42844
* decl.c (check_for_uninitialized_const_var): Handle classes that need
constructing, too.
(check_initializer): Call it for classes that need constructing, too.
* class.c (in_class_defaulted_default_constructor): New.
* cp-tree.h: Declare it.
Co-Authored-By: Jason Merrill <jason@redhat.com>
From-SVN: r158797
* dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
or DW_CFA_def_cfa_offset{,_sf}.
From-SVN: r158793
* doc/invoke.texi (-fipa-profile): Document.
* opts.c (decode_options): Enable ipa-profile at -O1.
* timevar.def (TV_IPA_PROFILE): Define.
* common.opt (fipa-profile): Add.
* cgraph.c (cgraph_clone_node): Set local flag and clear vtable method flag
for clones.
(cgraph_propagate_frequency): Handle only local ones.
* tree-pass.h (pass_ipa_profile): Declare.
* ipa-profile.c (gate_profile): Use flag_ipa_profile.
(pass_ipa_profile): Use TV_IPA_PROFILE.
* ipa.c (ipa_profile): New function.
(gate_ipa_profile): Likewise.
(pass_ipa_profile): New global variable.
* passes.c (pass_ipa_profile): New.
From-SVN: r158788
* configure.ac (--enable-gold): Support both, both/gold and
both/bfd to add gold to configdirs without removing ld.
* configure: Regenerated.
* Makefile.def: Add install-gold dependency to install-ld.
* Makefile.in: Regenerated.
Co-Authored-By: H.J. Lu <hongjiu.lu@intel.com>
From-SVN: r158786
2010-04-27 Martin Jambor <mjambor@suse.cz>
PR middle-end/43812
* ipa.c (dissolve_same_comdat_group_list): New function.
(function_and_variable_visibility): Call
dissolve_same_comdat_group_list when comdat group contains external or
newly local nodes.
* cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
lists are circular and that they contain only DECL_ONE_ONLY nodes.
* testsuite/g++.dg/ipa/pr43812.C: New test.
From-SVN: r158777
* varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
(const_hash_1) <VECTOR_CST>: New case.
(compare_constant) <VECTOR_CST>: Likewise.
<ADDR_EXPR>: Deal with LABEL_REFs.
(copy_constant) <VECTOR_CST>: New case.
From-SVN: r158776
PR target/40657
* config/arm/arm.c (thumb1_extra_regs_pushed): New function.
(thumb1_expand_prologue, thumb1_output_function_prologue): Call it
here to determine which regs to push and how much stack to reserve.
PR target/40657
* gcc.target/arm/thumb-stackframe.c: New test.
From-SVN: r158771
ChangeLog:
2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
PR lto/42776
* configure.ac (--enable-lto): Refactor handling so libelf tests
are only performed inside then-clause of ACX_ELF_TARGET_IFELSE,
and allow LTO to be explicitly enabled on non-ELF platforms that
are known to support it inside else-clause.
* configure: Regenerate.
gcc/ChangeLog
2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
PR lto/42776
* configure.ac (gcc_cv_as_section_has_align): Set if installed
binutils supports extended .section directive needed by LTO, or
warn if older binutils found.
(LTO_BINARY_READER): New AC_SUBST'd variable.
(LTO_USE_LIBELF): Likewise.
* gcc/config.gcc (lto_binary_reader): New target-specific configure
variable.
* gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
(LTO_USE_LIBELF): Likewise.
* configure: Regenerate.
* collect2.c (is_elf): Rename from this ...
(is_elf_or_coff): ... to this, and recognize and allow i386 COFF
object files in addition to ELF-formatted ones.
(scan_prog_file): Caller updated. Also allow for LTO info marker
symbol to be prefixed or not by an extra underscore.
* config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
* config/i386/winnt.c: Also #include lto-streamer.h
(i386_pe_asm_named_section): Specify 1-byte section alignment for
LTO named sections.
(i386_pe_asm_output_aligned_decl_common): Add comment.
(i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
From-SVN: r158764
ChangeLog:
2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
PR lto/42776
* configure.ac (--enable-lto): Refactor handling so libelf tests
are only performed inside then-clause of ACX_ELF_TARGET_IFELSE,
and allow LTO to be explicitly enabled on non-ELF platforms that
are known to support it inside else-clause.
* configure: Regenerate.
From-SVN: r158763
