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* tree.h (struct tree_decl): Add malloc_flag.
(DECL_IS_MALLOC): Define.
* c-common.c (attrs): Add A_MALLOC attribute.
(init_attributes): Add this attribute to the table.
(decl_attributes): Handle malloc attribute.
* calls.c (special_function_p): Check for the malloc attribute.
* extend.texi (Function Attributes): Document malloc attribute.
From-SVN: r30689
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non-literal format string.
* c-common.c (check_format_info): Don't call a variadic function
with a non-literal format string.
* c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
* c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
Likewise.
* cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
Likewise.
* collect2.c (collect_wait): Likewise.
* dbxout.c (dbxout_type): Likewise.
* gcc.c (do_spec_1): Likewise.
* genemit.c (gen_insn, gen_expand): Likewise.
* genrecog.c (write_switch, write_subroutine): Likewise.
* mips-tfile.c (catch_signal, botch): Likewise.
* print-rtl.c (print_rtx): Likewise.
* toplev.c (default_print_error_function, report_error_function,
_fatal_insn): Likewise.
From-SVN: r30666
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Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
* gcov.c (DIR_SEPARATOR): Provide default.
(output_data): Add test for MS-DOS format absolute filename.
(fancy_abort): Correct program name.
(open_files): Open all files in binary mode.
* libgcc2.c (__bb_exit_func): Likewise.
* profile.c (init_branch_prob): Specify binary when opening files.
* flags.h (flag_unwind_tables): New decl.
* toplev.c (flag_unwind_table): New definition.
(f_options): Add -funwind-tables.
(decode_g_option): Clarify warning when unknown -g option is given.
(rest_of_compilation): If inside an inlined external function,
pretend we are just being declared.
* dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
(dwarf2out_frame_finish): Likewise.
Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
* flow.c (propagate_block): When the last reference to a label
before an ADDR_VEC is deleted because the reference is a dead
store, delete the ADDR_VEC.
Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
* fold-const.c (merge_ranges): In not in0, but in1, handle
upper bounds equal like subset case.
Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
* dbxout.c (dbxout_parms): Generate a second stabs line for parameters
passed in a register but moved to the stack.
Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
* gcc.c (pass_exit_codes, greatest_status): New variables.
(struct option_map): Add entry for "--pass-exit-codes".
(execute): Update greatest_status if error.
(display_help): Add documentation for -pass-exit-codes.
(process_command): Handle -pass-exit-codes.
(main): Look at pass_exit_codes and greatest_status on call to exit.
Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* reload.c (find_reloads): Refine test for no input reload
case to not includes reloads emitted after insn.
* function.c (find_temp_slots_from_address): Handle sum involving
a register that points to a temp slot.
(update_temp_slot_address): Make recursive call if both old and
new are PLUS with a common operand.
* calls.c (expand_call): Mark temp slot for result as having
address taken.
* rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
* gcc.c (process_command): Add standard_exec_prefix with "GCC"
component as well as "BINUTILS".
* integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
* integrate.c (copy_rtx_and_substitute): Likewise.
(expand_inline_function, integrate_parm_decls, integrate_decl_tree):
All callers changed.
* unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
* dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
gdb extensions, write size of type; also be more consistent
in using references when this is a subtype.
* pa.md (extv, extzv, insv): Use define_expand to reject constant
that is out of range.
* loop.c (unknown_constant_address_altered): New variable.
(prescan_loop): Initialize it.
(note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
(invariant_p, case MEM): Remove handling for volatile and readony;
check new variable if readonly.
(check_dbra_loop): Chdeck unknown_constant_address_altered.
* cse.c (canon_hash, case MEM): Do not record if BLKmode.
(addr_affects_sp_p): Removed from note_mem_written and only
define #ifdef AUTO_INC_DEC.
* alpha.c (input_operand, case ADDRESSOF): Treat as REG.
* regclass.c (record_reg_classes): Properly handle register move
directions.
* varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
Don't think valid if both operands are invalid.
(struct constant_descriptor): New field RTL.
(mark_const_hash_entry): Mark it.
(record_constant{,_rtx}): Initialize it.
(output_constant_def): Allocate RTL in permanent obstack and
save in table.
({record,compare}_constant_1): Modes must match for
CONSTRUCTOR of ARRAY_TYPE.
* c-common.h (initializer_constant_valid_p): Delete decl from here.
* output.h (initializer_constant_valid_p): Move decl to here.
* c-common.c (initializer_constant_valid_p): Delete function from here.
* varasm.c (initializer_constant_valid_p): Move function to here.
* tree.h (STRIP_SIGN_NOPS): New macro.
* fold-const.c (optimize_minmax_comparison): New function.
(invert_truthvalue, case WITH_RECORD_EXPR): New case.
(fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
(fold, case EQ_EXPR): Call optimize_minmax_comparison and add
cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
widening conversions.
(fold, case LE_EXPR): Rework changing unsigned to signed comparisons
to look at size of mode, not precision of type; also add missing cases.
(optimize_bit_field_compare, decode_field_reference): Don't try to
optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
* dwarf2out.c (ctype.h): Include.
(dwarf2out_set_demangle_name_func): New function.
(size_of_line_info): Deleted.
(output_line_info): Compute size of line info table from difference
of labels.
(base_type_die, add_name_attribute): Call demangle function, if any.
(field_byte_offset): Use bits per word for variable length fields.
(gen_array_type_die): Add array name.
(gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
(dwarf2out_add_library_unit_info): New function.
* explow.c (set_stack_check_libfunc): New function.
(stack_check_libfunc): New static variable.
(probe_stack_range): Allow front-end to set up a libfunc to call.
* combine.c (simplify_comparison): When making comparison in wider
mode, check for having commuted an AND and a SUBREG.
(contains_muldiv): New function.
(try_combine): Call it when dividing a PARALLEL.
(simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
(simplify_comparison, case ASHIFTRT): Recognize sign-extension of
a PLUS.
(record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
use one of the CLOBBERs instead.
(if_then_else_cond): If comparing against zero, just return thing
being compared.
* optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
Don't generate shifts and subtract if have conditional arithmetic.
* rtl.h (delete_barrier): New declaration.
* jump.c (jump_optimize): Set up to handle conditional call.
In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
(delete_barrier): New function.
* rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
* recog.c (nonmemory_operand): Accept ADDRESSOF.
* tree.c (build_type_attribute_variant): Push to obstack of
ttype around type_hash_canon call.
* expr.c (placeholder_list): Move decl to file scope.
(expand_expr): Don't force access to volatile just because its
address is taken.
If ignoring reference operations, just expand the operands.
(expand_expr, case COMPONENT_REF): Propagate
EXPAND_CONST_ADDRESS to recursive call when expanding inner.
Refine test for using bitfield operations vs pointer punning.
(expand_expr, case CONVERT_EXPR): If converting to
BLKmode UNION_TYPE from BLKmode, just return inner object.
Use proper mode in store_field call.
Properly set sizes of object to store and total size in store_field
call for convert to union.
(expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
memory (like for ADDR_EXPR). Also, don't put constant in register if
we'll want it in memory.
(readonly_fields_p): New function.
(expand_expr, case INDIRECT_REF): Call it if LHS.
(expand_assignment): Handle a RESULT_DECL where
DECL_RTL is a PARALLEL.
(do_jump, case WITH_RECORD_EXPR): New case.
(get_inner_reference): Always go inside a CONVERT_EXPR
and NOP_EXPR if both modes are the same.
(store_field): Use bitfield operations if size of bitsize is not same
as size of RHS's type.
Check for bitpos not a multiple of alignment in BLKmode case.
Do block move in largest possible alignment.
(store_constructor): Set BITSIZE to -1 for variable size and properly
in case of array of BLKmode.
(expand_expr_unaligned): New function.
(do_compare_and_jump): Call it.
* mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
* collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
does not include 'o'.
* function.c (instantiate_virtual_regs_1, case SET): Handle case where
both SET_DEST and SET_SRC reference a virtual register.
(gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
* integrate.c (expand_inline_function): Handle case of setting
virtual stack vars register (from built in setjmp); when parameter
lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
(subst_constant): Add new parm, MEMONLY.
(expand_inline_function, integrate_parm_decls): Pass new parm.
(integrate_decl_tree): Likewise.
(copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
(try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
(copy_rtx_and_substitute, case SET): Add explicit calls to
copy_rtx_and_substitute for both sides.
* stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
constraints.
(pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
within INDEX_TYPE, instead of before.
(fixup_gotos): Use f->target_rtl, not the next insn,
since latter may be from a later fixup.
(expand_value_return): Correctly convert VAL when promoting function
return; support RETURN_REG being a PARALLEL.
(expand_return): When checking for result in regs and having
cleanup, consider PARALLEL in DECL_RTL as being in regs.
From-SVN: r30299
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when `first_arg_num' is zero.
* c-common.c (check_format_info): Avoid non-literal format string
warnings when `first_arg_num' is zero.
From-SVN: r30240
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* c-common.c (check_format_info): Warn if format string isn't a
string literal.
From-SVN: r29881
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From-SVN: r29653
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* toplev.c (documented_lang_options): Add -fshort-wchar.
* c-decl.c (c_decode_option): Likewise.
(init_decl_processing): If -fshort-wchar, use 'short unsigned int'
for wchar_t.
* c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
* gcc.c (default_compilers): If -fshort-wchar,
override __WCHAR_TYPE__.
* tm.texi (C Dialect Options): Add -fshort-wchar.
From-SVN: r29638
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From-SVN: r29266
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* c-common.c: Use ISGRAPH, ISLOWER, toupper.
* c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
* system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
* defaults.h (TARGET_ESC): Add default.
From-SVN: r29192
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* c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
(self_promoting_type_p): Delete.
(self_promoting_args_p): Move ...
* c-common.c: ... here.
(c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
(simple_type_promotes_to): New.
* builtins.c (lang_type_promotes_to): New.
(expand_builtin_va_arg): Use it to give diagnostic for illegal types.
* c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
* c-common.h: ... here.
(self_promoting_args_p, simple_type_promotes_to): Declare.
* c-decl.c (duplicate_decls): Use simple_type_promotes_to.
(grokdeclarator): Likewise.
* tree.h (lang_type_promotes_to): Declare.
* cp-tree.h (C_PROMOTING_INTEGER_TYPE_P): Delete.
* typeck.c (self_promoting_args_p): Delete.
* gcc.dg/va-arg-1.c: New.
From-SVN: r29180
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* Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
(c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
$(out_object_file)): Depend on ggc.h.
* c-common.c: Include "ggc.h".
(combine_strings): If doing GC, use ggc_alloc_string.
* c-decl.c: Include "ggc.h".
(ggc_p): Define with value 0.
(mark_binding_level): New function.
(init_decl_processing): Add GC roots.
(mark_c_function_context): New function.
(lang_mark_false_label_stack): New function.
(lang_mark_tree): New function.
(lang_cleanup_tree): New function.
* c-lang.c: Include "ggc.h".
(lang_init): Call c_parse_init.
* c-lex.c: Include "ggc.h".
(check_linenum): If doing GC, don't copy filenames to permanent
obstack.
* c-parse.in: Include "ggc.h".
(c_parse_init): New function.
* c-tree.h (c_parse_init, mark_c_function_context): Declare.
* objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
* except.c (mark_eh_state): Mark more state.
* function.c (mark_function_state): Likewise.
* ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
(ggc_alloc_string) [GGC_DUMP]: Fix typo.
* toplev.c (mark_file_stack): New function.
(compile_file): If doing GC, use ggc_alloc_string on input filename.
(main): Add root for input_file_stack.
* i386.c: Include "ggc.h".
(ix86_mark_machine_status): New function.
(override_options): Set mark_machine_status.
From-SVN: r29143
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From-SVN: r28873
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From-SVN: r28780
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* c-common.c (c_get_alias_set): Fix support for poitners and
references.
Co-Authored-By: Mark Mitchell <mark@codesourcery.com>
From-SVN: r28768
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* c-typeck.c (initializer_constant_valid_p): Move ...
* c-common.c (initializer_constant_valid_p): ... here. Use
FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
of label addresses.
* c-common.h (initializer_constant_valid_p): Declare.
* c-tree.h (initializer_constant_valid_p): Remove.
From-SVN: r28349
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* builtins.c (stabilize_va_list): Don't INDIRECT_REF through
an ARRAY_TYPE.
(std_expand_builtin_va_start): Back out one word if !stdarg_p.
(expand_builtin_va_end): Evaluate arg for side effects.
* c-common.c (c_common_nodes_and_builtins): Construct a
va_list_arg_type_node to handle array decomposition to pointer.
From-SVN: r28283
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arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
* builtins.c (expand_builtin_saveregs): Remove static, remove exp
and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
(expand_builtin_next_arg): Accept ARGLIST not EXP.
(stabilize_va_list): New function.
(std_expand_builtin_va_start): New function.
(expand_builtin_va_start): New function.
(get_varargs_alias_set): New function.
(std_expand_builtin_va_arg): New function.
(expand_builtin_va_arg): New function.
(expand_builtin_va_end): New function.
(expand_builtin_va_copy): New function.
(expand_builtin): Call them.
* c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
__builtin_{varargs_start,stdarg_start,end,copy}.
(build_va_arg): New function.
* c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
(build_va_arg): Declare.
* c-decl.c (ptr_type_node, va_list_type_node): New.
* c-parse.gperf (__builtin_va_arg): New.
* c-parse.in (VA_ARG): New token.
(unary_expr): Recognize it.
* expr.c (expand_expr): Expand VA_ARG_EXPR.
* expr.h (std_expand_builtin_va_start): Declare.
(std_expand_builtin_va_arg): Declare.
(expand_builtin_va_arg): Declare.
(get_varargs_alias_set): Declare.
* tree.def (VA_ARG_EXPR): New.
* tree.h (BUILT_IN_VARARGS_START): New.
(BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
(ptr_type_node, va_list_type_node): Declare.
* tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
* m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
* m88k.h, m88k.c: Likewise.
* mn10300.h, mn10300.c: Likewise.
* pa.h, pa.c: Likewise.
* rs6000.h, rs6000.c: Likewise.
* sh.h, sh.c: Likewise.
* sparc.h, sparc.c: Likewise.
* emit-rtl.c (operand_subword): Copy alias set.
(change_address): Likewise.
From-SVN: r28243
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* gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
* toplev.c (documented_lang_options): Add -fpreprocessed.
* cpplib.h (struct cpp_buffer): Add preprocessed.
* cppinit.c (cpp_handle_option): Handle -fpreprocessed.
(cpp_start_read): Don't expand macros or emit an initial #line
directive if -fpreprocessed.
* cpplib.h (struct cpp_buffer): Added manual_pop for
better C++ tokenization.
* cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
Also, support C++ tokenization for ->*, .*, <?, and >? operators.
* c-common.c (cpp_token): Make non-static.
From-SVN: r28190
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* c-common.h: New file.
* c-common.c (permanent_obstack): Delete unused declaration.
(c_global_trees): New array.
(c_common_nodes_and_builtins): New function; split off common code
from init_decl_processing in both c-decl.c and cp/decl.c.
* c-tree.h: Delete lots of declarations of tree nodes; replaced by
c_global_trees and accessor macros defined in c-common.h.
Include c-common.h.
* c-decl.c: Delete definitions for tree nodes that were replaced by
c_global_trees.
(init_decl_processing): Build void_list_node.
Call c_common_nodes_and_builtins; delete code to generate the common
builtins here.
* objc/objc-act.c (build_module_descriptor): Rename variable
void_list_node to avoid clash with c-common.h.
* cp/cp-tree.h: Delete lots of declarations of tree nodes; replaced by
c_global_trees and accessor macros defined in c-common.h.
(cp_tree_index): New enumeration.
(cp_global_trees): Declare new array. Add accessor macros for it, and
delete declarations of tree nodes replaced by it.
(builtin_function): Delete macro, add declaration for new function.
Include c-common.h.
* cp/decl.c: Delete definitions for tree nodes that were replaced by
cp_global_trees and c_global_trees.
(init_decl_processing): Call c_common_nodes_and_builtins; delete code
to generate the common builtins here.
(builtin_function): New function.
* cp/decl2.c (abort_fndecl): Delete declaration.
* cp/except.c (expand_builtin_return_address): Delete declaration.
(builtin_return_address_fndecl): Delete variable.
(const_ptr_type_node): Delete declaration.
* cp/lex.c (cons_up_default_function): Delete declaration of
void_list_node.
* cp/parse.y (void_list_node): Delete declaration.
* cp/rtti.c (type_info_type_node, tinfo_fn_id, tinfo_fn_type):
Delete variables.
(const_string_type_node): Delete declaration.
* cp/search.c (abort_fndecl): Delete declaration.
* Makefile.in: Update dependencies.
* objc/Make-lang.in: Likewise.
* cp/Makefile.in: Likewise.
From-SVN: r28188
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* c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
Merged from c-typeck.c and cp/typeck.c.
* c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
Merged into c-common.
For gcc/cp:
* typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
Merged into c-common.
From-SVN: r27956
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* c-decl.c (widest_integer_literal_type_node,
widest_unsigned_literal_type) : New.
(init_decl_processing): Handle/use the two new types.
* c-common.c (type_for_size,type_for_mode) : Same.
* c-lex.c (yylex) : Same.
* c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
Same.
* c-tree.h (widest_integer_literal_type_node,
widest_unsigned_literal_type) : New.
For gcc/cp:
* cp-tree.h (widest_integer_literal_type_node,
widest_unsigned_literal_type) : New.
* decl.c (widest_integer_literal_type_node,
widest_unsigned_literal_type) : New.
(init_decl_processing): Handle/use the two new types.
* lex.c (real_yylex): Same.
* typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
Same.
From-SVN: r27923
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* c-common.c (default_valid_lang_attribute): New fn.
(valid_lang_attribute): New callback ptr.
(decl_attributes): Call it. Move init_priority support into
C++ frontend.
From-SVN: r26419
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* c-common.c (decl_attributes, A_INIT_PRIORITY): Allow arrays
of classes, too.
From-SVN: r26312
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* cppfiles.c (INO_T_EQ): Handle UWIN.
* c-common.c (decl_attributes): Flag unrecognized attribute
functions as warnings instead of as errors.
Support for i386-pc-uwin.
* i386/uwin.h: New file.
* i386/xm-uwin.h: New file.
* i386/t-uwin: New file.
* i386/uwin.asm: New file.
* configure.in (i[3456]86-*-uwin*): Define.
Add Workaround for vfork bug when hosted on uwin.
* configure: Regenerate.
* cccp.c (INO_T_EQ): Undefine. UWIN has inodes.
(absolute_filename): UWIN uses POSIX pathnames only.
* libgcc2.c (getpagesize): Do not define for UWIN.
(mprotect): Likewise.
* protoize.c (dirent.h): Conditionally include.
(fputc): Prototype only if it's not a macro.
From-SVN: r25696
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* c-aux-info.c (data_type, affix_data_type, gen_decl,
gen_formal_list_for_type, gen_formal_list_for_func_def, gen_type):
Qualify a char* with the `const' keyword.
* c-common.c (declare_hidden_char_array, add_attribute, if_elt,
declare_function_name, decl_attributes, format_char_info,
check_format_info, binary_op_error): Likewise.
* cexp.y (yyerror, error, pedwarn, warning, token): Likewise.
* gcse.c (dump_hash_table): Likewise.
* integrate.c (function_cannot_inline_p): Likewise
* optabs.c: Include insn-config.h earlier.
(init_libfuncs, init_integral_libfuncs, init_floating_libfuncs):
Qualify a char* with the `const' keyword.
* real.c (asctoe24, asctoe53, asctoe64, asctoe113, asctoe,
asctoeg, mtherr, ereal_atof): Likewise.
* real.h (ereal_atof): Likewise.
* sbitmap.c (dump_sbitmap_vector): Likewise.
* sbitmap.h (dump_sbitmap_vector): Likewise.
* stmt.c (nesting, n_occurrences, expand_start_case): Likewise.
* toplev.c (rest_of_compilation): Likewise.
* tree.h (function_cannot_inline_p, expand_start_case): Likewise.
From-SVN: r25614
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of an enumeration...
* c-common.c (shorten_compare): Get the min/max value from the
underlying type of an enumeration, not the enumerated type itself.
From-SVN: r25228
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1999-02-15 16:59 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
* c-common.c (UNGETC [USE_CPPLIB=1]): Do nothing if c is EOF.
* c-lex.c: Likewise.
* cpplib.c (cpp_push_buffer, cpp_pop_buffer): Use a linked
list in malloced memory for the buffer stack.
(cpp_get_token): Don't pop the last buffer off the stack.
Calls after CPP_EOF has been returned produce CPP_EOF with no
state change.
(cpp_finish): Pop last buffer here.
(do_line): Don't free ip->last_nominal_fname if it is equal to
ip->fname.
(special_symbol): If a T_CONST is the empty string, push a
single `@ ' escape instead.
(macroexpand): Special symbol buffers have escapes too.
* cpplib.h (struct cpp_buffer): Remove unused fields, add prev
buffer pointer.
(struct cpp_reader): Remove buffer_stack. Add
buffer_stack_depth.
(CPP_PREV_BUFFER, CPP_NULL_BUFFER): Buffer stack is now a
linked list.
From-SVN: r25218
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�
Fri Feb 5 11:49:49 1999 Benjamin Kosnik <bkoz@loony.cygnus.com>
* c-common.c (decl_attributes): Fix reserved space for init_priority.
* tree.h (MAX_RESERVED_INIT_PRIORITY): New macro.
From-SVN: r25046
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details.
From-SVN: r24879
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From-SVN: r24529
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* c-common.c (decl_attributes): Allow applying attribute `unused'
on a LABEL_DECL.
* c-parse.in (label): Parse attributes after a label, and call
`decl_attributes' to handle them.
* gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
* genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
* invoke.texi: Note that labels can be marked `unused'.
From-SVN: r24478
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* c-common.c (declare_function_name): Declare predefinied variable
`__func__'.
* c-decl.c (flag_isoc9x): Set to 1 by default.
(c_decode_option): Handle -std= option. Remove -flang-isoc9x.
(grokdeclarator): Always emit warning about implicit int for ISO C 9x.
* c-parse.in: Allow constructors in ISO C 9x.
Rewrite designator list handling.
Allow [*] parameters.
Don't warn about comma at end of enum definition for ISO C 9x.
* cccp.c (c9x): New variable.
(rest_extension): New variable.
(print_help): Document new -std= option.
(main): Recognize -std= option. Set c9x appropriately.
(create_definition): Recognize ISO C 9x vararg macros.
* gcc.c (default_compilers): Adjust specs for -std options.
(option_map): Add --std.
(display_help): Document -std.
* toplev.c (documented_lang_options): Add -std and remove
-flang-isoc9x.
* c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
or REAL_VALUE_HTOF based on base of the constants.
* fold-const.c (real_hex_to_f): New function. Replacement function
for hex FP conversion if REAL_ARITHMETIC is not defined.
* real.c (asctoeg): Add handling of hex FP constants.
* real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
real_hex_to_f.
Co-Authored-By: Richard Henderson <rth@cygnus.com>
Co-Authored-By: Stephen L Moshier <moshier@world.std.com>
From-SVN: r24049
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`comparison is...
* c-common.c: Change warning messages to say `comparison is
always true' or `comparison is always false' instead of the
confusing `is always 0', `is always 1'.
From-SVN: r23723
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�
* c-common.c (c_get_alias_set): Allow all type-punning through
unions. Don't get confused about the type of a bit-field, despite
the antics of build_modify_expr.
From-SVN: r23481
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* c-common.c (check_format_info): Don't check for the 'x'
format character twice, instead check for 'x' and 'X'
From-SVN: r23472
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* c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
From-SVN: r23427
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applied to a non-pointer variable.
* c-common.c (c_apply_type_quals_to_decl): Don't crash when
`restrict' is applied to a non-pointer variable.
From-SVN: r23213
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* invoke.texi: Document -flang-isoc9x.
* Makefile.in (OBJS): Add splay-tree.o.
(c-common.o): Depend on rtl.h.
(splay-tree.o): List dependencies and provide build rule.
* rtl.h (record_alias_subset): New function.
* alias.c: Include splay-tree.h.
(alias_set_entry): New type.
(CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
(DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
(mems_in_disjoin_alias_sets_p): New function.
(alias_set_compare): Likewise.
(insert_subset_children): Likewise.
(get_alias_set_entry): Likewise.
* tree.h (TYPE_RESTRICT): New macro.
(TYPE_UNQUALIFIED): New manifest constant.
(TYPE_QUAL_CONST): Likewise
(TYPE_QUAL_VOLATILE): Likewise.
(TYPE_QUAL_RESTRICT): Likewise.
(tree_type): Add restrict_flag. Reduce count of free bits.
(DECL_POINTER_ALIAS_SET): New macro.
(DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
(tree_decl): Add pointer_alias_set.
(build_qualified_type): New function.
(build_type_variant): Define in terms of build_qualified_type.
* tree.c (set_type_quals): New function.
(make_node): Initializae DECL_POINTER_ALIAS_SET.
(build_type_attribute_variant): Use build_qualified_type and
set_type_quals.
(build_type_variant): Rename, and modify, to become...
(build_qualified_type): New function.
(build_complex_type): Use set_type_quals.
* c-tree.h (C_TYPE_OBJECT_P): New macro.
(C_TYPE_FUNCTION_P): Likewise.
(C_TYPE_INCOMPLETE_P): Likewise.
(C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
(c_apply_type_quals_to_decl): New function.
(c_build_qualified_type): New function.
(c_build_type_variant): Define in terms of c_build_qualified_type.
(flag_isoc9x): Declare.
* c-typeck.c (qualify_type): Use c_build_qualified_type.
(common_type): Change to use TYPE_QUALS.
(comptypes): Likewise.
(convert_for_assignment): Likewise.
* c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
* c-decl.c (flag_isoc9x): Define.
(c_decode_option): Handle -flang-isoc9x.
(grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
* c-lex.c (init_lex): Deal with restrict.
(init_lex): Don't treat restrict as a reserved word in
-traditional mode, or without -flang-isoc9x.
* c-lex.h (rid): Add RID_RESTRICT.
* c-parse.gperf (restrict, __restrict, __restrict__): Make
equivalent to RID_RESTRICT.
* c-parse.in (TYPE_QUAL): Update comment.
* c-common.c: Include rtl.h.
(c_find_base_decl): New function.
(c_build_type_variant): Rename, and modify, to become ...
(c_build_qualified_type): New function.
(c_apply_type_quals_to_decl): Likewise.
(c_get_alias_set): For INDIRECT_REFs, check to see if we can find
a particular alias set for the reference.
* toplev.c (documented_lang_options): Add -flang-isoc9x.
From-SVN: r23212
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* Makefile.in (gencheck.o): Depend on gansidecl.h.
* c-common.c (print_char_table): Add missing initializers.
(scan_char_table): Likewise.
(time_char_table): Likewise.
* c-decl.c (c_decode_option): Mark parameter `argc' with
ATTRIBUTE_UNUSED.
(declare_parm_level): Mark parameter `definition_flag' with
ATTRIBUTE_UNUSED.
* c-lex.c (readescape): Use `(unsigned)1' in shift.
(yylex): Likewise. Cast `sizeof' to an (int) when comparing
against one.
* calls.c (store_one_arg): Remove unused parameter `fndecl'. All
callers changed.
(emit_call_1): Mark parameters `fndecl' and `funtype' with
ATTRIBUTE_UNUSED.
(expand_call): Cast result of MIN() to (unsigned int) when
comparing against an unsigned value.
* cccp.c (pcfinclude): Remove unused parameter `limit'. All
callers changed.
(make_definition): Remove unused parameter `op'. All callers
changed.
(create_definition): Cast REST_EXTENSION_LENGTH to (long) when
comparing against the result of pointer arithmetic.
* config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
when comparing against one.
* dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
one.
(output_die): Move variable `i' into the scope in which it is
used. Change its type to `unsigned'.
(output_die): Cast the result of `strlen' to (int) when passing it
to ASM_OUTPUT_ASCII().
(output_pubnames): Likewise.
(output_line_info): Likewise.
* emit-rtl.c (global_rtl): Add missing initializers.
* explow.c (promote_mode): Mark parameter `for_call' with
ATTRIBUTE_UNUSED.
* expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
`unsigned HOST_WIDE_INT' when comparing against one.
(synth_mult): Change type of variable `cost' to int.
(emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
* expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
when comparing against one.
(get_inner_reference): Change variable `alignment' to unsigned.
(expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
int) when comparing against one.
(expand_builtin_setjmp): Change type of variable `i' to size_t.
* fold-const.c (div_and_round_double): Cast BASE to
(HOST_WIDE_INT) when comparing against one.
* gencheck.c: Include gansidecl.h.
(main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
* optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
`tcode' with ATTRIBUTE_UNUSED.
* real.c (edivm): Cast constant value to (unsigned long) in
expression compared against an unsigned value.
* stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
comparing against one.
(expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
when comparing against one.
* stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
(unsigned int) when comparing against one. Likewise for
GET_MODE_BITSIZE.
(smallest_mode_for_size): Likewise.
(save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
(restore_storage_status): Likewise.
* toplev.c (debug_args): Add missing initializer.
(f_options): Spelling correction. Add missing initializers.
(documented_lang_options): Likewise.
(debug_end_source_file): Mark parameter `lineno' with
ATTRIBUTE_UNUSED.
* tree.c (valid_machine_attribute): Mark parameters `attr_args',
`decl' and `type' with ATTRIBUTE_UNUSED.
* varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
when comparing against one.
(assemble_variable): Mark parameter `top_level' with
ATTRIBUTE_UNUSED.
(assemble_external_libcall): Mark parameter `fun' with
ATTRIBUTE_UNUSED.
(output_constant_pool): Mark parameters `fnname' and `fndecl' with
ATTRIBUTE_UNUSED.
From-SVN: r23054
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attribute.
Fine-grained control of -fcheck-memory-usage with new no_check_memory_usage
attribute. Misc minor bugfixes and tests for it too.
From-SVN: r22983
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HOST_BITS_PER_WIDE_INT is >= 64 bits.
* c-common.c (type_for_mode): Only return TItype nodes when
HOST_BITS_PER_WIDE_INT is >= 64 bits.
* c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
when HOST_BITS_PER_WIDE_INT is >= 64 bits.
(init_decl_processing): Only create TItype nodes when
HOST_BITS_PER_WIDE_INT is >= 64 bits.
* c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
when HOST_BITS_PER_WIDE_INT is >= 64 bits.
From-SVN: r22912
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From-SVN: r22710
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ARRAY_TYPEs.
* c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
* expr.c (store_field): Add alias_set parameter. Set the
MEM_ALIAS_SET accordingly, if the target is a MEM.
(expand_assignment): Use it.
(store_constructor_field): Pass 0.
(expand_expr): Likewise.
From-SVN: r22620
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* Makefile.in (LIBS): Link in libiberty.a.
* c-common.c, gcc.c, toplev.c: Repalce (some) bcopy calls by memcpy.
From-SVN: r22508
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* tree.c (new_alias_set): New function.
* tree.h (new_alias_set): Declare it.
* c-common.c (c_get_alias_set): Use it.
From-SVN: r22504
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Add INSERT_ATTRIBUTES macro.
From-SVN: r22165
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* c-common.c (combine_strings): Also set TREE_READONLY.
Change warn_write_strings to flag_const_strings.
* c-decl.c, c-tree.h: Likewise.
cp/
* tree.c (lvalue_type): Fix for arrays.
* typeck.c (string_conv_p): New fn.
(convert_for_assignment): Use it.
(build_unary_op): Use lvalue_type.
* call.c (standard_conversion, convert_like): Use string_conv_p.
(add_function_candidate): Use lvalue_type.
* cvt.c (convert_to_reference): Likewise.
* decl2.c (lang_decode_option): Ignore -traditional.
* decl.c (init_decl_processing): flag_writable_strings inhibits
flag_const_strings.
* lang-options.h (lang_options): Add fconst-strings to the list
of valid options.
* decl2.c (lang_f_options, lang_decode_option): Likewise.
From-SVN: r21928
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a string.
* c-common.c (decl_attributes): Issue an error if the argument
to alias is not a string.
From-SVN: r21824
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* tree.h: De-conditionalize init_priority code.
* mips.h (NM_FLAGS): Change from -Bp to -Bn.
* collect2.c (NM_FLAGS): Change from -p to -n.
* configure.in: Turn on collect2 for mipstx39-elf.
Handle use_collect2=no properly.
* c-common.c: De-conditionalize init_priority code.
* collect2.c (extract_init_priority, sort_ids): New fns.
(main): Call sort_ids.
Move sequence_number to file scope.
* configure.in: Handle --enable-init-priority.
* c-common.c (attrs): Add A_INIT_PRIORITY.
(init_attributes, decl_attributes): Likewise.
* tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
* tree.c (get_file_function_name_long): Split out...
(get_file_function_name): ...from here.
cp/:
* lang-options.h: Add -finit-priority.
* decl2.c: Likewise. Check flag_init_priority instead of
USE_INIT_PRIORITY.
* decl2.c (setup_initp): New fn.
(start_objects, finish_objects, do_ctors): Handle init_priority.
(do_dtors, finish_file): Likewise.
From-SVN: r21701
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* expr.h (profile_function_entry_libfunc, profile_function_exit_libfunc):
Declare new variables.
* optabs.c: Define them here.
(init_optabs): Initialize them.
* tree.h (struct tree_decl): New flag no_instrument_function_entry_exit.
(DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
* c-decl.c (duplicate_decls): Merge it.
* c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
(init_attributes): Use it for "no_instrument_function".
(decl_attributes): Handle it, for functions that have not yet been compiled.
Set decl flag.
* flags.h (flag_instrument_function_entry_exit): Declare new variable.
* toplev.c (flag_instrument_function_entry_exit): Define it here.
(f_options): New option "instrument-functions".
* function.h (struct function): New field instrument_entry_exit.
* function.c (current_function_instrument_entry_exit): New variable.
(push_function_context_to, pop_function_context_from): Save and restore.
(expand_function_start): Set current_ variable, maybe emit return label and
entry profile call.
(expand_function_end): Maybe emit exit profile call.
Testsuite:
* gcc.c-torture/special/eeprof-1.c: New test, for -finstrument-functions.
* gcc.c-torture/special/special.exp: Run it.
From-SVN: r21495
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