* rs6000.c (current_file_function_operand): Return zero for
weak functions.
(rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
weak symbols.
* rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
for weak symbols.
From-SVN: r28527
Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
* cpphash.c (macroexpand): Delete leading whitespace when arg
is concatenated before.
(unsafe_chars): Correct test for whether + and - can extend a
token.
* cppinit.c (cpp_start_read): Do dependencies for
-include/-imacros files also.
* cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
tokenizing non-directive lines.
(cpp_expand_to_buffer): Temporarily disable no-output mode.
* cppmain.c: In no-output mode, just call cpp_scan_buffer for
the input file.
From-SVN: r28512
* c-lex.c: Sync with C++ frontend.
(linemode): New variable.
(parse_float): imag, conversion_errno, and type are output only.
(yylex): Adjust. Move initial '.' case into main switch.
Use linemode.
(handle_generic_pragma): Just deal with tokens.
(readescape): Use ISXDIGIT and ISGRAPH.
* c-parse.in: Add END_OF_LINE token.
* c-lex.c (lang_init): Generalize.
(nextchar): Remove. Replace uses with UNGETC.
(skip_white_space): Handle linemode here. Optimize for cpplib.
(skip_white_space_on_line): Remove.
(extend_token_buffer_to): New fn.
(extend_token_buffer): Use it.
(read_line_number, check_newline): Just deal with tokens.
(token_getch, token_put_back): New fns.
(yylex): Use them. More cpplib optimizations. Simplify.
* c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
(consume_string): Make this smart about USE_CPPLIB.
(check_newline): Rewrite to be intelligent about USE_CPPLIB.
(yylex): Rewrite to be intelligent about USE_CPPLIB.
Also, clean up cases where we redundantly set token_buffer[0].
(read_line_number): New fn.
(ignore_escape_flag): New variable.
From-SVN: r28507
* pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
dummy operand. Allocate a new pseudo for the dummy operand.
(divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
From-SVN: r28502
* arm.c (typedef minipool_node): Renamed from pool_node.
(minipool_vector, minipool_size, minipool_vector_label): Similarly.
(add_minipool_constant): New function.
(dump_minipool): New function.
(find_barrier): Remove special case for getting the insn size of
an insn that references the constant pool.
(minipool_fixup): New structure.
(push_minipool_barrier): New function.
(push_minipool_fix): New function.
(note_invalid_constants): New function.
(add_pool_constant, dump_table, fixit, broken_move): Delete.
(arm_reorg): Rewrite code to fix up the constant pool into a
series of mini-pools embedded in the insn stream.
(arm_output_epilogue): New function, made mainly from the body
of output_func_epilogue.
(output_func_epilogue): Move insn generation part of epilogue code
to arm_output_epilogue.
* arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
* arm.md (pool_range): New attribute.
(zero_extendqidi2): Add attribute pool_range.
(zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
(epilogue): New expand.
(epilogue_insn): New insn. Call arm_output_epilogue.
* arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
* arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
From-SVN: r28499
* cp-tree.h (empty_except_spec): New global var.
(compexcepttypes): Remove prototype.
(comp_except_specs): Prototype new global function.
(add_exception_specifier): Prototype new global function.
* decl.c (empty_except_spec): Define new global var.
(duplicate_decls): Use comp_except_specs, reword error message.
(init_decl_processing): Initialize empty_except_spec.
Adjust build_exception_variant calls.
* parse.y (exception_specification_opt): Use empty_except_spec.
(ansi_raise_identifier): Call check_for_new_type.
(ansi_raise_identifiers): Use add_exception_specifier.
* pt.c (tsubst): Use add_exception_specifier to build exception
specifier.
* search.c (check_final_overrider): New static function, broken
out of get_matching_virtual. Check throw specifiers, reword
diagnostics.
(get_matching_virtual): Use check_final_overrider.
* tree.c (build_exception_variant): Use comp_except_specs.
* typeck.c (compexcepttypes): Remove.
(comp_except_types): New static function, helper for
comp_except_specs. Compare two types as exception specifiers.
(comp_except_specs): New global function, compare two exception
specifiers.
(comptypes): Adjust for comp_except_specs.
* typeck2.c (add_exception_specifier): New global function.
* class.c (check_for_override): Reword error message.
From-SVN: r28494
* gcc.c (access_check): New static function.
(find_a_file): Use it when searching a directory list.
* collect2.c (find_a_file): Don't accept directories found when
searching a directory list.
From-SVN: r28486
* tlink.c (symbol_hash_lookup): Do not prefix functions used as
function parameters with `&'.
(file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
From-SVN: r28485
* flow.c (delete_unreachable_blocks): Do not call merge_blocks
or tidy_fallthru_edge if the last insn in the block is not
an unconditional jump or a simple conditional jump.
From-SVN: r28483
