* c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
c-typeck.c, objc/objc-act.c: Remove all references to obstack
functions obsoleted by GC, such as push_obstacks_nochange,
end_temporary_allocation, savealloc, saveable_tree_cons, etc.
and code which existed only to decide whether or not to call
them. Remove now-unused NESTED argument from start_function;
all callers changed. Do not change behavior based on ggc_p.
The use of the ixp_obstack in c-iterate.c and the util_obstack
in objc/objc-act.c remain; these are not obsoleted by garbage
collection.
* c-tree.h: Update prototype for start_function.
* c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
From-SVN: r31611
2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
* c-decl.c (finish_enum): Simplify code to determine minimum and
maximum values of the enum, and calculate the type. Remove check
for FUNCTION_DECLs in the values list, which cannot happen. Replace
the DECL_INITIAL of each enumeration constant with a copy converted
to the enumeration type. When updating variant types, don't bother
updating the type itself.
* c-typeck.c (build_binary_op): Simplify conditional expressions
when weeding out spurious signed-unsigned warnings. Add new
spurious warning category: if the unsigned quantity is an enum
and its maximum value fits in signed_type(result_type). Update
commentary.
(build_conditional_expr): Warn here if one alternative is signed
and the other is unsigned.
From-SVN: r31244
* c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
(init_attributes): Add A_NO_LIMIT_STACK.
(decl_attributes): Handle A_NO_LIMIT_STACK.
* c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
* explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
Handle stack bounds checking.
* flags.h (flag_stack_check): Use the word 'probe' rather than
'check', because the flag doesn't actually cause any checking to
be done.
* function.c (expand_function_start): Set
current_function_limit_stack.
* function.h (struct function): Add limit_stack.
(current_function_limit_stack): Define.
* invoke.texi (Code Gen Options): Document new options.
* rtl.h: Declare stack_limit_rtx.
* toplev.c (stack_limit_rtx): New variable.
(decode_f_option): Handle new options -fstack-limit-register=REG,
-fstack-limit-symbol=IDENT, -fno-stack-limit.
(main): Add stack_limit_rtx as GC root.
* tree.h (DECL_NO_LIMIT_STACK): New macro.
(struct tree_decl): New member no_limit_stack.
* config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
stack_limit_rtx.
* config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
(conditional_trap+1): Get new mnemonic correct.
(conditional_trap+2): New pattern for DImode traps.
* config/m68k/m68k.c (output_function_prologue): Handle
stack_limit_rtx.
* config/m68k/m68k.md (trap): New insn.
(conditional_trap): New insn.
* md.texi (Standard Names): Document `trap' and
`conditional_trap'.
* optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
so a cc0 setter doesn't get emitted at some random place in the
function.
* config/i960/i960.md (trap): New insn.
(conditional_trap): New expander.
(conditional_trap+1, conditional_trap+2): New insns for signed
and unsigned cases.
* config/i960/i960.c (i960_function_prologue): Use
STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
Co-Authored-By: Greg McGary <gkm@gnu.org>
From-SVN: r30771
* c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
(finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
if that tests TREE_PERMANENT.
From-SVN: r30068
* expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
* c-decl.c (finish_struct): Use simpler method of
removing elements of a singly-linked list.
From-SVN: r29860
* c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
call it.
* reg-stack.c (straighten_stack): Copy hard reg set with
COPY_HARD_REG_SET.
From-SVN: r29694
* 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
* c-decl.c (struct language_function): Renamed from struct c_function.
Delete elt NEXT.
(c_function_chain): Delete.
(push_c_function_context): New arg F. Don't warn about nested
functions here. Fill LANGUAGE elt of F. Delete code to update
c_function_chain. Don't call push_function_context.
(pop_c_function_context): New arg F. Restore from there instead of
from c_function_chain. Don't call pop_function_context. Clear out
LANGUAGE field of F when done.
* c-lang.c: Include "function.h"
(lang_init): Initialize save_lang_status and restore_lang_status.
* c-parse.in (nested_function, nested_function_notype): Warn about
nested functions. Call push_function_context/pop_function_context
instead of the _c_ variants.
* c-tree.h (push_c_function_context, pop_c_function_context): Update
prototype.
* Makefile.in (c-lang.o): Update dependencies.
* emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
regno_pointer_flag, regno_pointer_align.
(gen_reg_rtx): Use xrealloc to enlarge them.
(free_emit_status): New function.
* function.c (mark_machine_status, mark_lang_status): New variables.
(assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
in some bits from assign_stack_local. All callers changed to use new
name.
(assign_stack_local): Just call assign_stack_local_1.
(free_after_compilation): New function.
(put_reg_into_stack): Simplify to always call assign_stack_local_1.
(trampoline_address): Likewise.
(assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
(prepare_function_start): Explicitly clear some more variables.
* function.h (struct function): New elt can_garbage_collect.
(mark_machine_status, mark_lang_status): Declare variables.
(free_after_compilation, free_emit_status, free_varasm_status,
init_varasm_status): Declare functions.
* toplev.c (rest_of_compilation): Call free_after_compilation when
done with the current function.
* varasm.c (free_varasm_status): New function.
From-SVN: r29117
Include function.h in most files. Remove most of the global variables
duplicated in function.h. Add accessor macros for them which access
current_function. Delete INLINE_HEADER rtx and related code, replace
with code using struct function to store inlining related data.
From-SVN: r28626
* c-decl.c (get_parm_info, store_parm_decls): Change all uses of
PROMOTE_PROTOTYPES, so that it tests it as a C expression.
Ensure expr.h is included.
* c-typecheck.c (convert_arguments): Ditto.
* expr.h: Supply default for PROMOTE_PROTOTYPES (0).
From-SVN: r28420
* 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
* c-decl.c (duplicate_decls): If `warn_traditional', warn when
a non-static function declaration follows a static one.
* invoke.texi (-Wtraditional): Document the extra check now done
by this flag.
From-SVN: r24703
1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
* cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
so it'll work on non-ASCII platforms. Always consider $ an
identifier character. Take no arguments.
(cpp_reader_init): Call initialize_char_syntax with no
arguments.
(cpp_start_read): Don't call initialize_char_syntax again.
Clear is_idchar['$'] and is_idstart['$'] if not
opts->dollars_in_ident.
* cpplib.h (struct cpp_reader): Replace void *data element by
cpp_options *opts. Rearrange elements to make gdb printout
less annoying (put buffer stack at end).
(CPP_OPTIONS): Get rid of now-unnecessary cast.
* cppmain.c: s/data/opts/ when initializing cpp_reader
structure.
* c-decl.c: Likewise.
* objc/objc-act.c: Likewise.
* fix-header.c: Likewise.
From-SVN: r24154
* 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
* 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
* 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
* 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
* tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
to itype.
* c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
From-SVN: r21810
* c-decl.c (init_decl_processing): Remove unneeded &.
* alpha.h (alpha_initialize_trampoline): Provide prototype.
* except.c (set_exception_lang_code, set_exception_version_code):
Change parameter from `short' to `int' to avoid using a gcc
extension.
* except.h (set_exception_lang_code, set_exception_version_code):
Likewise for prototypes.
* flow.c (count_reg_references): Remove unused variables `regno'
and `i'.
* gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
* prefix.c (translate_name): Cast the result of `alloca'.
* varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
Co-Authored-By: Jeffrey A Law <law@cygnus.com>
From-SVN: r21781
* 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
* toplev.c (lang_options): Add -Wlong-long, -Wno-long-long
options.
* c-decl.c (warn_long_long): Define.
(c_decode_option): Parse -Wlong-long, -Wno-long-long options.
(grokdeclarator): Add flag `warn_long_long' as guard for
warning "ANSI C does not support `long long'".
* invoke.texi: Add description of options -Wlong-long,
-Wno-long-long.
* gcc.1: The same as above.
* cp-tree.h (warn_long_long): Define.
* decl.c (grokdeclarator): Add flag `warn_long_long' as guard for
warning "ANSI C++ does not support `long long'".
* decl2.c (warn_long_long): Define.
(lang_decode_option): Parse -Wlong-long, -Wno-long-long options.
From-SVN: r21007
* invoke.texi (-fstrict-aliasing): Document.
* rtl.texi (MEM_ALIAS_SET): Document.
* flags.h (flag_strict_aliasing): Declare.
* toplev.c (flag_strict_aliasing): Define.
(f_options): Add -strict-aliasing.
(main): Set flag_strict_aliasing if -O2 or higher.
* tree.h (tree_type): Add alias_set field.
(TYPE_ALIAS_SET): New macro.
(TYPE_ALIAS_SET_KNOWN_P): Likewise.
(get_alias_set): Declare.
* tree.c (lang_get_alias_set): Define.
(make_node): Initialize TYPE_ALIAS_SET.
(get_alias_set): New function.
* print-tree.c (print_node): Dump the alias set for a type.
* c-tree.h (c_get_alias_set): Declare.
* c-common.c (c_get_alias_set): New function.
* c-decl.c (init_decl_processing): Set lang_get_alias_set.
* expr.c (protect_from_queue): Propogage alias sets.
(expand_assignment): Calculate alias set for new MEMs.
(expand_expr): Likewise.
* function.c (put_var_into_stack): Likewise.
(put_reg_into_stack): Likewise.
(gen_mem_addressof): Likewise.
(assign_parms): Likewise.
* stmt.c (expand_decl): Likewise.
* varasm.c (make_decl_rtl): Eliminate redundant clearing of
DECL_RTL. Calculate alias set for new MEMs.
* rtl.def (REG): Add dummy operand.
(MEM): Add extra operand to store the MEM_ALIAS_SET.
* rtl.h (MEM_ALIAS_SET): New macro.
(gen_rtx_MEM): Declare.
* emit-rtl.c (gen_rtx_MEM): New function.
* gengenrtl.c (sepcial_rtx): Make MEMs special.
* alias.c (CHECK_ALIAS_SETS_FOR_CONSISTENCY): New macro.
(DIFFERENT_ALIAS_SETS_P): Likewise.
(canon_rtx): Propogate the alias set to the new MEM.
(true_dependence): Check the alias sets.
(anti_dependence): Likewise.
(output_dependence): Likewise.
* explow.c (stabilize): Progoate alias sets.
* integrate.c (copy_rtx_and_substitute): Likewise.
* final.c (alter_subreg): Make sure not to leave MEM_IN_STRUCT_P
in an unpredictable state. Propogate alias sets.
* reload1.c (reload): Clear MEM_ALIAS_SET for new MEMs about which
we have no alias information.
From-SVN: r20719
* haifa-sched.c (haifa_classify_insn): TRAP_IF is risky.
(sched_analyze_2): Allow scheduling TRAP_IF.
* reorg.c (mark_referenced_resources): Examine operands of TRAP_IF.
* rtl.h (TRAP_CODE): New macro.
* rtl.def (TRAP_IF): Change second operand type to rtx.
* optabs.c (gen_cond_trap): New function.
(init_traps): New function.
(init_optabs): Call init_traps.
* expr.h: Declare gen_cond_trap.
* jump.c (jump_optimize): Optimize jumps to and around traps.
* sparc.md: Define trap instructions.
* rs6000.md: Define trap instructions.
* rs6000.c (print_operand): New code 'V' for trap condition.
(trap_comparison_operator): New function.
* m88k.md: Update use of TRAP_IF.
* tree.h (enum built_in_function): New function code BUILT_IN_TRAP.
* c-decl.c (init_decl_processing): New builtin __builtin_trap.
* expr.c (expand_builtin): Handle BUILT_IN_TRAP.
* expr.c (expand_builtin): Error if __builtin_longjmp second argument
is not 1.
From-SVN: r20543
Wed Jun 10 13:07:02 1998 Dave Brolley <brolley@cygnus.com>
* objc/objc-act.c: Add cpplib declarations.
(lang_decode_option): Initialize cpplib if necessary.
(lang_decode_option): New argc/argv interface.
* tree.h (lang_decode_option): New argc/argv interface.
* toplev.c (lang_options): Add cpp options.
(main): New interface for lang_decode_option.
* gcc.c (default_compilers): Don't call cpp for a cpplib-enabled C compiler
unless -E, -M or -MM is specified.
* cpplib.h (cpp_handle_option): New function.
* cpplib.c (cpp_handle_option): New function.
(cpp_handle_options): Now calls cpp_handle_option.
* c-tree.h (c_decode_option): New argc/argv interface.
* c-lex.c (init_parse): cpplib now initialized in c_decode_option.
* c-lang.c (lang_decode_option): New argc/argv interface.
* c-decl.c: Add cpplib declarations.
(c_decode_option): New argc/argv interface.
(c_decode_option): Call cpp_handle_option.
(c_decode_option): Now returns number of strings processed.
From-SVN: r20407
Thu Jun 8 14:16:15 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
* eh-common.h: Remove NEW_EH_MODEL compile time flag, and replace with
flag_new_exceptions runtime flag.
(struct old_exception_table): New struct which represents what
the exception table looks like without the new model.
(NEW_EH_RUNTIME): New value used as a tag in the exception table to
flag that this is a new style table.
* except.h: Remove compile time flag NEW_EH_MODEL.
(expand_builtin_eh_stub_old): New prototype.
* tree.h (enum built_in_function): Add BUILT_IN_EH_STUB_OLD.
* expr.c (expand_builtin): New builtin func BUILT_IN_EH_STUB_OLD.
* c-decl.c (init_decl_processing): Add new builtin function
__builtin_eh_stub_old.
* final.c (final_scan_insn): Replace compile time flag NEW_EH_MODEL.
* flags.h (flag_new_exceptions): New runtime flag.
* toplev.c (flag_new_exceptions): Initialize default to 0,
-fnew-exceptions sets to 1.
* except.c (output_exception_table_entry): Output New style exception
identifier into table, and replace compile time flag NEW_EH_MODEL
with runtime flag flag_new_exceptions.
(output_exception_table): Replace compile time flag NEW_EH_MODEL.
(expand_builtin_eh_stub_old): Duplicates original functionality of
expand_builtin_eh_stub.
(expand_builtin_eh_stub): Replace compile time flag NEW_EH_MODEL.
* libgcc2.c (find_exception_handler): Remove NEW_EH_MODEL #ifdefs.
(old_find_exception_handler): New func, same as find_exception_handler
except it works on the old style exception table.
(__throw): Replace NEW_EH_MODEL. Detect new model based on presence
of identifier in the exception table, and call appropriate routines.
1998-06-08 Andrew MacLeod <amacleod@cygnus.com>
* except.c (init_exception_processing): Remove NEW_EH_MODEL compile
time flag. Call __cp_eh_info instead of __cp_exception_info.
* exception.cc (struct cp_eh_info): Remove NEW_EH_MODEL flag.
(__cp_exception_info): Return offset into cp_eh_info structure to
match what use to be the start of this structure.
(__cp_eh_info): New function to return a pointer to cp_eh_info struct.
(__cplus_type_matcher, __cp_push_exception): Remove NEW_EH_MODEL
compile time flag.
(__uncatch_exception, __check_eh_spec, std::uncaught_exception): Call
__cp_eh_info instead of __cp_exception_info.
From-SVN: r20336
* Makefile.in (c-lang.o): Depend on c-tree.h, c-lex.h and toplev.h.
(c-lex.o): Depend on output.h.
(c-common.o): Likewise.
(stmt.o): Likewise.
(calls.o): Likewise.
(integrate.o): Depend on toplev.h.
(regclass.o): Depend on output.h.
(final.o): Depend on reload.h.
* c-common.c: Include output.h.
(check_format_info): Remove unused variable `integral_format'.
* c-decl.c (print_lang_decl): Mark parameters `file', `node' and
`indent' with ATTRIBUTE_UNUSED.
(print_lang_type): Likewise.
(maybe_build_cleanup): Likewise for parameter `decl'.
(copy_lang_decl): Likewise for parameter `node'.
* c-lang.c: Include c-tree.h, c-lex.h and toplev.h.
(lang_print_xnode): Mark parameters `file', `node' and `indent'
with ATTRIBUTE_UNUSED.
(lookup_interface): Likewise for parameter `arg'.
(is_class_name): Likewise.
(maybe_objc_check_decl): Likewise for parameter `decl'.
(maybe_objc_comptypes): Likewise for parameters `lhs', `rhs' and
`reflexive'.
(maybe_objc_method_name): Likewise for parameter `decl'.
(build_objc_string): Likewise for parameters `len' and `str'.
* c-lex.c: Include output.h.
* c-lex.h (position_after_white_space): Correct typo in prototype.
* c-tree.h (finish_file, c_expand_start_cond, c_expand_start_else,
c_expand_end_cond, init_iterators): Add prototypes.
* caller-save.c (set_reg_live): Mark parameters `reg' and `setter'
with ATTRIBUTE_UNUSED.
* calls.c: Include output.h.
* cccp.c (pipe_closed): Mark parameter `signo' with
ATTRIBUTE_UNUSED.
* combine.c: Move inclusion of expr.h to after insn-config.h.
* iris6.h (ASM_IDENTIFY_GCC, ASM_IDENTIFY_LANGUAGE): Don't define
as empty, rather define as ((void)0).
* sparc.c (sparc_check_64): Add braces around ambiguous `else'.
Add parentheses around assignment used as truth value.
* cplus-dem.c (squangle_mop_up): Change return type to void.
(internal_cplus_demangle): Remove unused parameter `options'.
All callers changed.
(cplus_demangle_opname): Remove function wide variable `int i' and
replace with `size_t i' at each location where it is used.
(cplus_demangle_opname): change type of `i' from int to size_t.
* cppexp.c (right_shift): Mark parameter `pfile' with
ATTRIBUTE_UNUSED.
* cpphash.c (cpp_lookup): Likewise.
(cpp_hash_cleanup): Likewise.
* cpplib.c (parse_name): Add a prototype and make it static.
(null_underflow): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
(null_cleanup): Likewise for parameters `pbuf' and `pfile'.
(macro_cleanup): Likewise for parameter `pfile'.
(file_cleanup): Likewise.
* cpplib.h (cpp_reader_init, cpp_options_init, cpp_start_read,
cpp_read_check_assertion, skip_rest_of_line): Add prototypes.
* crtstuff.c (force_to_data, __CTOR_LIST__, force_to_data,
__DTOR_END__, __FRAME_END__): Mark with ATTRIBUTE_UNUSED.
* cse.c (cse_check_loop_start): Mark parameter `set' with
ATTRIBUTE_UNUSED.
* dbxout.c (flag_minimal_debug, have_used_extensions,
source_label_number): Move inside macro wrapper check against
defined (DBX_DEBUGGING_INFO) || defined (XCOFF_DEBUGGING_INFO).
* dwarf2out.c (gen_entry_point_die): Hide prototype and definition.
* except.h (doing_eh): Provide prototype.
* expr.c: Move inclusion of expr.h to after insn-config.h.
* final.c: Include reload.h.
(shorten_branches): Cast the first argument of bzero to char *.
* fix-header.c (cpp_print_containing_files): Mark parameter
`pfile' with ATTRIBUTE_UNUSED.
(cpp_fatal): Likewise.
* flow.c (find_basic_blocks_1): Cast the first argument of bzero
to char *.
* genattrtab.c (make_length_attrs): Change the type of variable
`i' from int to size_t.
(zero_fn): Mark parameter `exp' with ATTRIBUTE_UNUSED.
(one_fn): Likewise.
* genextract.c (main): When generating insn-extract.c, mark
variable `junk' with ATTRIBUTE_UNUSED.
* gengenrtl.c (gencode): When generating genrtl.c, cast the first
argument of bzero to char*.
* integrate.c: Include toplev.h.
* libgcc2.c: Wrap `struct exception_table' and
`find_exception_handler' in macro DWARF2_UNWIND_INFO.
* objc/Make-lang.in (objc-act.o): Depend on toplev.h.
* objc/objc-act.c: Include toplev.h.
(lang_print_xnode): Mark parameters `file', `node' and `indent'
with ATTRIBUTE_UNUSED.
(finish_protocol): Likewise for parameter `protocol'.
* output.h (declare_weak): Add prototype.
(decode_reg_name): Don't wrap with TREE_CODE macro.
(assemble_alias): Add prototype.
* regclass.c: Include output.h.
* reload.h (reloads_conflict): Add prototype.
* rtl.h (print_rtl_single, mark_elimiation, reg_class_subset_p,
output_func_start_profiler): Add prototypes.
* rtlanal.c (reg_set_p_1): Mark parameters `x' and `pat' with
ATTRIBUTE_UNUSED.
* scan-decls.c: Include scan.h.
* scan.h (recognized_function, recognized_extern): Add prototypes.
* stmt.c: Include output.h.
* toplev.c (error_for_asm, warning_for_asm): Remove prototypes.
(output_lang_identify): Hide prototype and definition.
(float_signal): Mark parameter `signo' with ATTRIBUTE_UNUSED.
(pipe_closed): Likewise.
* toplev.h (count_error, strip_off_ending, error_for_asm,
warning_for_asm): Add prototypes.
From-SVN: r19712
a
gcc/ChangeLog:
* c-decl (finish_struct): Change type of min_align to unsigned.
* cplus-dem.c (demangle_function_name): Change type of variable i to size_t;
remove unused variable len.
* dwarf2out.c (reg_save): Add explicit cast of -1 to unsigned and a
comment indicating this is proper behaviour.
(reg_loc_descriptor): Remove redundant comparison of unsigned variable
reg >= 0.
(based_loc_descr): Likewise.
* enquire.c (bitpattern): Change type of variable i to unsigned.
* final.c (output_asm_insn): Don't cast insn_noperands to unsigned.
* flow.c (life_analysis): Change type of variable i to size_t;
remove unused variable insn.
* gcc.c (translate_options): Change type of variables optlen, arglen and
complen to size_t.
(input_filename_length): Change type to size_t.
(do_spec_1): Change type of variable bufsize to size_t.
(main): Change type of variables i and j to size_t;
remove subblock local definition of variable i.
(lookup_compiler): Change type of second argument to size_t;
change type of variable i to size_t.
* genemit.c (output_init_mov_optab): Change type of variable i to size_t.
* genopinit.c (get_insn): Change type of variable pindex to size_t.
* genrecog.c (add_to_sequence): Change type of variable i to size_t.
* global.c (global_alloc): Change type of variable i to size_t.
* regclass.c (init_reg_sets): Change type of variables i and j to unsigned.
* stmt.c (expand_end_bindings): Change type of variable i to size_t.
(expand_end_case): Change type of variable count to size_t.
* toplev.c (main): Change type of variable j to size_t.
(set_target_switch): Change type of variable j to size_t.
(print_switch_values): Change type of variable j to size_t;
remove unused variable flags.
* varasm.c (assemble_variable): Change type of variable align to size_t.
(const_hash_rtx): Change type of variable i to size_t.
gcc/cp/ChangeLog:
Sun Mar 8 17:13:38 1998 Manfred Hollstein <manfred@s-direktnet.de>
* decl2.c (lang_decode_option): Change j's type to size_t.
* tree.c (layout_vbasetypes): record_align and desired_align are of
type unsigned int; const_size and nonvirtual_const_size likewise.
From-SVN: r18491
* expr.c (get_inner_reference): Use sbitsizetype for type sizes.
* fold-const.c (size_int): Replace with
(size_int_wide).
(make_bit_field_ref): Use bitsize_int for bit position.
* stor-layout.c (sizetype): Delete.
(sizetype_tab, sbitsizetype, ubitsizetype): Declare.
(layout_record, layout_union, layout_type):
Use bitsize_int for bit size.
(set_sizetype): New function.
(make_signed_type, make_unsigned_type): Use it.
* c-decl.c (init_decl_processing): Likewise.
* tree.h (size_int): Don't delcare, #define.
(size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
(set_sizetype): Declare.
(bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
Define.
* c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
Convert result to sizetype.
(really_start_incremental_init, push_init_level):
Set type of constructor_bit_index to sbitsizetype.
(push_init_level): Use unsigned arithmetic to determine padding.
(output_init_element): Likewise.
From-SVN: r17577
parameter lists.
* c-decl.c (grokdeclarator): Get parameter tags from
last_function_parm_tags.
* dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
traversing the parameter types.
(output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
From-SVN: r17490
* c-pragma.c (handle_pragma_token): Generate warning messages
about unknown pragmas if warn_unknown_pragmas is set.
* c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
line option to set variable: warn_unknown_pragmas.
From-SVN: r17168
* c-decl.c (start_struct): Ensure that structs with forward
declarations are in fact packed when -fpack-struct is given.
* stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
we are packing a structure. This allows a structure with only
bytes to be aligned on a byte boundary and have no padding on a
m68k.
From-SVN: r15939
* c-typeck.c (build_binary_op): Warn about comparing signed vs
unsigned if -W is specified and -Wno-sign-compare is not.
* c-decl.c (warn_sign_compare): Initialize to -1.
(c_decode_option): -Wall no longer implies -Wsign-compare.
From-SVN: r15739
* pa.md (reload_peepholes): Make sure operand is a REG before
examining REGNO. Allow general registers too.
Fixes sporatic c-torture failure.
Remove last change to fold-const.c and c-decl.c
From-SVN: r15000
* c-decl.c (grokdeclarator): If array index or size calculations
overflow, issue an error.
* fold-const.c (int_const_binop): New static function.
(const_binop, size_binop): Call it.
Brought over from the fsf.
From-SVN: r14967
Lots of changes to use new new parameter.
(pushdecl): Delete variable declared_global. New variable
different_binding_level and code to set it. Move extern/static
warning before duplicate_decls call. Don't let global typedefs
conflict with nested extern declarations. Move oldglobal test
inside code for setting IDENTIFIER_LIMBO_VALUE.
(lookup_name_current_level_global): Delete.
From-SVN: r10618
(finish_struct): Add ATTRIBUTES argument, call decl_attributes and set
DECL_PACKED from TYPE_PACKED.
(finish_enum): Add ATTRIBUTES argument, call decl_attributes, and make enum
narrow if TYPE_PACKED.
From-SVN: r9486
* c-decl.c (pushdecl): When have a duplicate decl, and it is global,
delete lookup_name name in test for return.
(redeclaration_error_message): When newdecl is a block level
declaration, use lookup_name_current_level instead of DECL_CONTEXT.
From-SVN: r9123
delete lookup_name name in test for return.
(redeclaration_error_message): When newdecl is a block level
declaration, use lookup_name_current_level instead of DECL_CONTEXT.
From-SVN: r9072
(duplicate_decls): Pass DECL_MACHINE_ATTRIBUTES to descendent typedef;
make duplicate typedefs that are identical generate a warning if they
are both in system header files.
(redeclaration_error_message): Make duplicate typedefs that are
identical not an error if they are both in system header files.
From-SVN: r8994
(start_function): If old_decl is NULL, then set it to
the implicit decl if any. Delete superfluous test from warn missing
prototypes code. For warn missing declarations code, only warn if
previous decl is implicit.
From-SVN: r7787
(pushdecl): Don't call lookup_name_current_level_global
when traditional. When doing checks against
IDENTIFIER_LIMBO_VALUE, also do check against
INDENTIFIER_GLOBAL_VALUE when traditional.
From-SVN: r7756
(pushdecl): Use lookup_name_current_level_global instead
of lookup_name for extern references. Don't return duplicate decl
if it came from the global binding level, and there exists a
conflicting decl in an intervening block.
(lookup_name_current_level_global); New function.
From-SVN: r7189
Delete code to check external references against global
declarations.
(redeclaration_error_message): If newdecl has block scope, then
return string only if olddecl has the same scope.
From-SVN: r6807
* cp-decl.c (flag_conserve_space): New language specific flag to
tell the compiler to use .common when possible. Reduces the size of
.o files.
* cp-decl.c (duplicate_decls): Copy DECL_COMMON from the olddecl.
* cp-decl.c (start_decl): Set DECL_COMMON appropriately.
* cp-decl.c (finish_decl): Use flag_conserve_space, instead of
flag_no_common.
* cp-decl2.c (flag_conserve_space, lang_f_options): New flag.
* toplev.c (lang_options): New -fconserve-space flag.
* tree.h (DECL_COMMON): New flag.
* tree.h (tree_decl): New common_flag.
* varasm.c (assemble_variable): Use DECL_COMMON to help determine if
an object can be put in .common.
* c-decl.c (start_decl): Set DECL_COMMON to 1..
From-SVN: r6244
(grokdeclarator): No error for void type for extern or global var.
(grokdeclarator): Warn here for volatile fn returning non-void type.
(start_function): Not here.
(grokdeclarator): Don't pass on const and volatile
fron function value type to function type.
From-SVN: r5084
(init_decl_processing): When making SIZETYPE, start with name in
SIZE_TYPE. If -traditional, use a signed version of that type, if it
is unsigned.
From-SVN: r4752
(shadow_tag_warned): Let warned have three values, so that a mere
warning doesn't prevent a pedwarn. Don't skip the error call at the
end on accounted of warned.
From-SVN: r4203
