Add support for comdat type sections for DWARF v4. Merge from dwarf4
branch.
* dwarf2out.c (DWARF_TYPE_SIGNATURE_SIZE): New constant.
(dw_die_ref): Define vector type.
(enum dw_val_class): Add dw_val_class_data8.
(struct dw_val_struct): Add v.val_data8.
(comdat_type_node_ref): New type.
(struct die_struct): Move die_symbol into a union; add new field
die_type_node. Change all uses.
(comdat_type_node): New type.
(skeleton_chain_node): New type.
(DWARF_COMDAT_TYPE_UNIT_HEADER_SIZE): New constant.
(comdat_type_list): New variable.
(dwarf_tag_name): Add DW_TAG_type_unit.
(dwarf_attr_name): Add DW_AT_signature.
(add_AT_data8): New function.
(replace_child): New function.
(move_all_children): New function.
(print_signature): New function.
(print_die): Print signature information; add dw_val_class_data8.
(attr_checksum): Support dw_val_class_data8.
(CHECKSUM_STRING): Redefine for DWARF-4 to include
trailing NULL byte.
(CHECKSUM_SLEB128, CHECKSUM_ULEB128): New macros.
(checksum_sleb128, checksum_uleb128): New functions.
(checksum_die_context): New function.
(loc_checksum_ordered): New function.
(attr_checksum_ordered): New function.
(struct checksum_attributes): New structure.
(collect_checksum_attributes): New function.
(die_checksum_ordered): New function.
(generate_type_signature): New function.
(same_dw_val_p): Add dw_val_class_data8.
(is_symbol_die): Use new is_declaration_die function.
(is_declaration_die): New function.
(should_move_die_to_comdat): New function.
(clone_die): New function.
(clone_tree): New function.
(clone_as_declaration): New function.
(copy_declaration_context): New function.
(generate_skeleton_ancestor_tree): New function.
(generate_skeleton_bottom_up): New function.
(generate_skeleton): New function.
(remove_child_or_replace_with_skeleton): New function.
(break_out_comdat_types): New function.
(struct decl_table_entry): New type.
(htab_decl_hash): New function.
(htab_decl_eq): New function.
(htab_decl_del): New function.
(copy_ancestor_tree): New function.
(copy_decls_walk): New function.
(copy_decls_for_unworthy_types): New function.
(build_abbrev_table): Don't assert on missing die_symbol when doing
comdat type sections.
(size_of_die): Use DW_FORM_sig8 for external references; Add
dw_val_class_data8.
(unmark_dies): Don't assert for unmarked dies when doing comdat
type sections.
(value_format): Support DW_FORM_sig8 and dw_val_class_data8.
(output_signature): New function.
(output_die): Likewise.
(output_compilation_unit_header): Mark output as DWARF version 3
even if generating DWARF 4.
(output_comdat_type_unit): New function.
(output_line_info): Mark output as DWARF version 3 even if generating
DWARF 4.
(dwarf2out_start_source_file): Don't do eliminate_dwarf2_dups with
DWARF-4.
(dwarf2out_end_source_file): Likewise.
(prune_unused_types_walk_attribs): Don't follow references into
comdat type sections.
(prune_unused_types_mark): When generating type units, do not mark
children of non-defining declarations of types; do mark children of
type entries.
(prune_unused_types): Process comdat type sections.
(htab_ct_hash): New function.
(htab_ct_eq): New function.
(dwarf2out_finish): Move types to comdat sections when using DWARF-4.
Add a pointer to the line table from type unit entries so
DW_AT_decl_file has meaning.
* varasm.c (default_elf_asm_named_section): Use identifier name as
comdat key instead of lang hook.
From-SVN: r152421
* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Record_Subtype>:
Generate an XVZ variable alongside the XVS type if the size is
not constant.
(maybe_pad_type): Minor tweak.
From-SVN: r152420
* gcc-interface/decl.c (gnat_to_gnu_component_type): Force at least
unit size for the component size of an array with aliased components.
(maybe_pad_type): Do not warn for MAX_EXPR.
From-SVN: r152417
divmoddi4, divmodsi4 and divmodhi4 patterns using SWI248 macro.
(*divmod<mode>4): Macroize insn_and_split pattern from
*divmoddi4_cltd_rex64, *divmodsi4_cltd and divmodhi4 insn patterns
and their corresponding splitters usign SWI248 macro. Split SImode
insn to generate cltd and DImode insn to generate cqto instead of
move+shift when optimizing for size or TARGET_USE_CLTD is in effect.
(*divmoddi4_nocltd_rex64, *divmodsi4_nocltd): Remove insn patterns.
(*divmod<mode>4_noext): Macroize insn from *divmoddi_noext_rex64 and
*divmodsi_noext patterns using SWI248 macro.
(udivmod<mode>4): Macroize expander from udivmoddi4, udivmodsi4 and
udivmodhi4 patterns using SWI248 macro.
(*udivmod<mode>4): Macroize insn_and_split pattern from
*udivmoddi4, udivmodsi4 and udivmodhi4 patterns and their
corresponding splitters using SWI248 macro.
(*udivmod<mode>4_noext): Macroize insn from *udivmoddi4_noext,
*udivmodsi4_noext and *udivmodhi_noext patterns using SWI248 macro.
From-SVN: r152416
2009-10-02 Tobias Burnus <burnus@net-b.de>
PR fortran/41479
* trans-decl.c (gfc_init_default_dt): Check for presence of
the argument only if it is optional or in entry master.
(init_intent_out_dt): Ditto; call gfc_init_default_dt
for all derived types with initializers.
2009-10-02 Tobias Burnus <burnus@net-b.de>
PR fortran/41479
* gfortran.dg/intent_out_5.f90: New test.
From-SVN: r152407
PR debug/41404
PR debug/41353
* cfgexpand.c (expand_debug_expr) <case STRING_CST>: Don't create
CONST_STRING if STRING_CST contains embedded '\0's or doesn't end with
'\0'.
(expand_debug_expr) <case VAR_DECL>: For TREE_STATIC !DECL_EXTERNAL
vars use DECL_RTL with resetting it back to NULL afterwards.
* dwarf2out.c (same_dw_val_p): For dw_val_class_addr compare with
rtx_equal_p instead of asserting it is a SYMBOL_REF.
(value_format): For dw_val_class_addr only use DW_FORM_addr if
the attribute type allows it, otherwise use DW_FORM_dataN.
(mem_loc_descriptor): Handle CONST_STRING.
(add_const_value_attribute): Handle CONST_STRING using add_AT_addr.
Handle MEM with CONST_STRING address using add_AT_string.
(rtl_for_decl_init): Return MEM with CONST_STRING address instead of
CONST_STRING for const arrays initialized with a string literal.
(resolve_one_addr, resolve_addr_in_expr, resolve_addr): New functions.
(dwarf2out_finish): Call resolve_addr.
* gcc.dg/guality/pr41404-1.c: New test.
* gcc.dg/guality/pr41353-2.c: New test.
From-SVN: r152403
2009-10-01 Loren J. Rittle <ljrittle@acm.org>
Paolo Bonzini <bonzini@gnu.org>
* Makefile.tpl (POSTSTAGE1_HOST_EXPORTS): Use $$s rather than
$(srcdir).
* Makefile.in: Rebuilt.
Co-Authored-By: Paolo Bonzini <bonzini@gnu.org>
From-SVN: r152387
2009-10-01 Phil Muldoon <pmuldoon@redhat.com>
* python/libstdcxx/v6/printers.py (StdListPrinter):
Add -D_GLIBCXX_DEBUG implementation changes. Receive typename from
printer registration.
(StdListIteratorPrinter): Likewise.
(StdDebugIteratorPrinter): New printer.
(build_libstdcxx_dictionary): Add -D_GLIBCXX_DEBUG registration
entries. Always pass a typename where the type can change.
(StdSlistPrinter) Receive typename from printer registration. Use
in printer output.
(StdBitsetPrinter): Likewise.
(StdDequePrinter): Likewise.
From-SVN: r152385
2009-10-01 Phil Muldoon <pmuldoon@redhat.com>
* python/libstdcxx/v6/printers.py (StdListPrinter):
Add -D_GLIBCXX_DEBUG implementation changes. Receive typename from
printer registration.
(StdListIteratorPrinter): Likewise.
(StdDebugIteratorPrinter): New printer.
(build_libstdcxx_dictionary): Add -D_GLIBCXX_DEBUG registration
entries. Always pass a typename where the type can change.
(StdSlistPrinter) Receive typename from printer registration. Use
in printer output.
(StdBitsetPrinter): Likewise.
(StdDequePrinter): Likewise.
From-SVN: r152383
* pt.c (register_specialization): Push DECL_SOURCE_LOCATION to the
clones.
* decl.c (grok_special_member_properties): Only adjust
TYPE_HAS_COMPLEX_* if the function is defaulted in the class body.
(cp_finish_decl): Push DECL_DELETED_FN/DECL_DEFAULTED_FN to the
clones.
From-SVN: r152373
2009-10-01 Martin Jambor <mjambor@suse.cz>
PR middle-end/12392
* tree-sra.c (convert_callers): Do not call
compute_inline_parameters on one caller more than once.
From-SVN: r152368
2009-10-01 Martin Jambor <mjambor@suse.cz>
PR bootstrap/41395
* tree-sra.c (is_va_list_type): New function.
(find_var_candidates): Call is_va_list_type.
(find_param_candidates): Check that the type or the type pointed
to are not va_list types.
From-SVN: r152366
2009-09-30 Martin Thuresson <martint@google.com>
* regex.c (byte_re_match_2_internal): Split declaration and
assignment to avoid -Wc++-compat warning due to goto.
From-SVN: r152354
Benjamin Kosnik
Jerry Quinn
GCC Administrator
Diego Novillo
Jason Merrill
Uros Bizjak
Silvius Rus
Cary Coutant
Eric Botcazou
Neil Vachharajani
Uros Bizjak
Jakub Jelinek
Janis Johnson
Jack Howarth
Janis Johnson
Tobias Burnus
Jason Merrill
H.J. Lu
Andreas Schwab
Nick Clifton
Johannes Singler
Kaveh R. Ghazi
Gabriel Dos Reis
Loren J. Rittle
Jan Hubicka
Phil Muldoon
David Daney
Ramana Radhakrishnan
Martin Jambor
Dennis Wassel
Martin Thuresson