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the language-equivalent of sizetype.
* c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
reference the language-equivalent of sizetype.
* c-typeck.c (comptypes): Treat sizetype like its language equivalent.
* fold-const.c (size_binop, size_diffop): Put back checks.
* gcse.c (dump_hash_table): Fix minor error in last change.
* stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
all sizetypes.
* cp/typeck.c (comptypes): Treat sizetype like its language equivalent.
From-SVN: r32291
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TYPE_IS_SIZETYPE set.
* fold-const.c (size_binop): Don't asert inputs are the same and
have TYPE_IS_SIZETYPE set.
(size_diffop): Likewise.
From-SVN: r32273
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* builtins.c (c_strlen): Use size_diffop and return ssizetype value.
(expand_builtin_strcpy): Pass correct type to size_binop.
(expand_builtin_strcmp): Likewise.
Clean up conditional structure.
* c-decl.c (init_decl_processing): Don't call set_sizetype twice.
(complete_array_type): Don't use size_binop for MAXINDEX.
* c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
(c_sizeof_nowarn, c_size_in_bytes): Likewise.
(c_alignof): Use size_one_node.
(build_unary_op): Pass arg of proper type to size_binop.
(really_start_incremental_init, push_init_level): Use sizetype for
constructor{,_bit,_unfilled}_index.
(pop_init_label, output_init_element): Likewise.
(output_pending_init_elements, process_init_element): Likewise.
* calls.c (compute_argument_block_size): Field VAR is ssizetype.
* expr.c (store_expr): Use size_int.
(store_constructor): Use proper types for size_binop args.
(get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
(expand_expr_unaligned): Likewise.
(string_contant): Return object of sizetype.
* expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
(ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
(ARGS_SIZE_TREE): Pass proper types to size_binop.
* fold-const.c (int_const_binop): Refine when size_int is called.
(fold_convert): Likewise.
(size_int_wide): Rework to take KIND as arg, only take low order
bits, handle new sizetype_tab datatype, and chain entries in
size_table.
(size_int_type_wide): New function.
(size_binop): Validate types of arguments.
(ssize_binop): Deleted.
(size_diffop): New function.
(extract_muldiv): Only fold division into multiplication for sizetypes.
* function.c (assign_parms): Use size_diffop and make sure
VAR field is of ssizetype; also pass proper type to size_binop.
(locate_and_pad_parm, pad_to_arg_alignment): Likewise.
(round_down): Deleted from here.
* store-layout.c (sizetype_tab): Now an array.
(sizetype_set, early_root_list): New variables.
(variable_size): Use size_one_node.
(round_up): Pass proper type to size_binop.
(round_down): Moved to here and corrected as above.
(layout_record): Pass proper arg types to size_binop.
(layout_type): Likewise.
If sizetype_set is zero, record the type just laid out.
(make_unsigned_type): Don't call set_sizetype;
(make_signed_type): Likewise; also, call fixup_signed_type.
(initialize_sizetypes): New function.
(set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
set name of bitsizetype to "bit_size_type".
Fix up type of sizes of all types made before call.
* tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
* tree.c (fix_sizetype): Deleted.
(build_common_tree_nodes): Call initialize_sizetypes.
(build_common_tree_nodes_2): Don't call fix_sizetype.
* tree.h (TYPE_IS_SIZETYPE): New macro.
(initialize_sizetype): New declaration.
(enum size_type_kind): New type.
(struct sizetype_tab): Deleted.
(sizetype_tab): Now array; adjust sizetype macros.
(size_diffop, size_int_type_wide): New functions.
(size_int_wide): Change number of args and type; access macros changed.
(ssize_int, sbitsize_int): New macros.
* config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
(ROUND_TYPE_SIZE_UNIT): New macro.
* ch/actions.c (chill_convert_for_assignment): Don't use size_binop
for things that aren't sizes.
(expand_varying_length_assignment): Likewise.
* ch/convert.c (digest_array_tuple, convert): Likewise.
* ch/typeck.c (build_chill_slice, smash_dummy_type): Likewise.
(build_chill_slice_with_range): Likewise.
(build_chill_slice_with_length): Likewise.
(build_array_from_set): Adjust types for size_binop.
* ch/expr.c (build_concat_expr, build_chill_repetition_op): Likewise.
(build_chill_sizeof): Use TYPE_SIZE_UNIT.
* ch/tree.c (build_string_type): Pass proper type to size_binop.
* cp/class.c (dfs_build_vtable_offset_vtbl_entries): Don't use
size_binop on things that are not sizes; ssize_binop deleted.
Call size_diffop when appropriate.
(dfs_build_vcall_offset_vtbl_entries): Likewise.
(build_primary_vtable, build_secondary_vtable): Likewise.
(dfs_set_offset_for_unshared_vbases, dfs_modify_vtables): Likewise.
Variable I is HOST_WIDE_INT.
(get_vfield_offset): Pass proper types to size_binop.
(size_extra_vtbl_entries, layout_virtual_bases): Likewise.
(finish_struct_1): Likewise.
(skip_rtti_stuff): Arg N is now pointer to signed.
(layout_class_type): Use size_zero_node.
* cp/cp-tree.h (skip_rtti_stuff): Arg N is pointer to signed.
* cp/cvt.c (cp_convert_to_pointer): Pass proper types to size_binop.
* cp/decl.c (complete_arry_type): Pass proper types to size_binop.
(xref_basetypes): BINFO_OFFSET is sizetype.
* cp/error.c (dump_expr): Don't use size_binop non-sizes.
* cp/expr.c (cplus_expand_constant): Pass proper types to size_binop.
* cp/init.c (construct_virtual_bases): Fix type error.
(build_vec_delete_1): Pass proper type to size_binop and don't
fold result.
* cp/lex.c (cp_make_lang_type): BINFO_OFFSET is sizetype.
* cp/rtti.c (get_base_offset): Pass proper type to size_binop.
* cp/search.c (dfs_find_vbases): Fix type error.
(expand_upcast_fixups): Arg to skip_rtti_stuff is pointer to signed.
(dfs_get_vbase_types): BINFO_OFFSET is sizetype.
* cp/tree.c (debug_binfo): Variable N is signed.
Use HOST_WIDE_INT_PRINT_DEC.
* cp/typeck.c (comptypes): sizetype is same as equivalent integer type.
(c_sizeof, c_sizeof_nowarn, expr_sizeof): Use TYPE_SIZE_UNIT,
size_one_node and size_zero_node.
(c_alignof): Use size_one_node.
(build_component_addr): Pass proper types to size_binop.
(expand_ptrmemfunc_cst): Don't use size_binop on non-sizes.
* f/com.c (ffecom_arrayref_): Convert args to size_binop to proper
type.
(ffecom_tree_canonize_ptr_): Don't use size_binop for non-sizes.
(ffecom_tree_canonize_ref_): Likewise.
(type_for_mode): Handle TImode.
* f/ste.c (ffeste_io_dofio_, ffeste_io_douio_): Use TYPE_SIZE_UNIT.
(ffeste_io_ciclist_): Likewise.
* java/expr.c (build_java_ret): Pass proper type to size_binop.
From-SVN: r32225
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* c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
* c-decl.c (duplicate_decls, finish_enum): Likewise.
(finish_decl): Remove -Wlarger-than code from here.
* flags.h (id_clash_len): Now int.
(larger_than_size): Now HOST_WIDE_INT.
* fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
Clean up checking to see if in table.
(make_bit_field_ref): Remove extra parm to bitsize_int.
* ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
* print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
* stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
and for computing size of decl.
* stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
Move -Wlarger-than code to here.
(layout_record): Remove extra arg to bitsize_int.
Set TYPE_BINFO_SIZE_UNIT.
(layout_union): Remove extra arg to bitsize_int.
Use proper type for size of QUAL_UNION.
(layout_type): Remove extra arg to bitsize_int.
* toplev.c (id_clash_len): Now int.
(larger_than_size): Now HOST_WIDE_INT.
(decode_W_option): Clean up id-clash and larger-than- cases.
* tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
(expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
* tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
(struct tree_decl): New field size_unit.
(size_int_wide): No HIGH operand; NUMBER is now signed.
(size_int_2): Deleted.
(size_int, bitsize_int): Don't use it and rework args.
* varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
* ch/decl.c (layout_enum): Set DECL_SIZE_UNIT.
* ch/satisfy.c (safe_satisfy_decl): Likewise.
* cp/class.c (build_primary_vtable, layout_vtable_decl): Likewise.
(avoid_overlap, build_base_field): Likewise.
(build_base_field, build_base_fields, is_empty_class):
Test DECL_SIZE with integer_zero.
(layout_class_type): Set CLASSTYPE_SIZE_UNIT.
* cp/cp-tree.h (struct lang_type): New field size_unit.
(CLASSTYPE_SIZE_UNIT): New macro.
* cp/decl.c (init_decl_processing): Set DECL_SIZE_UNIT.
(cp_finish_decl): Delete -Wlarger-than processing.
* cp/optimize.c (remap_decl): Walk DECL_SIZE_UNIT.
* cp/pt.c (tsubst_decl): Set DECL_SIZE_UNIT.
* cp/tree.c (make_binfo): binfo vector is one entry longer.
(walk_tree): Walk DECL_SIZE_UNIT.
* f/com.c (ffecom_sym_transform): Use DECL_SIZE_UNIT.
(ffecom_transform_common_, ffecom_transform_equiv_): Likewise.
(duplicate_decls): Likewise.
(ffecom_tree_canonize_ptr_): Delete extra arg to bitsize_int.
(finish_decl): Delete -Wlarger-than processing.
* java/class.c (build_class_ref, push_super_field): Set DECL_SIZE_UNIT.
* java/constants.c (build_constants_constructor): Likewise.
From-SVN: r32068
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conditionals.
* combine.c (make_extraction, force_to_mode): Avoid warning on
mixed-signedness conditionals.
(make_field_assignment, nonzero_bits): Likewise.
* expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
(store_split_bit_field, extract_split_bit_field): Likewise.
(extract_fixed_bit_field, store_bit_field,
* expr.c: Change alignment to be unsigned everywhere.
(move_by_pieces, store_constructor_field, store_constructor):
Alignment parm is unsigned.
(emit_block_move, emit_group_load, emit_group_store): Likewise.
(clear_storage, emit_push_insn, compare_from_rtx): Likewise.
(do_compare_rtx_and_jump): Likewise.
(move_by_pieces_ninsns, clear_by_pieces): Likewise.
Compare align with GET_MODE_ALIGNMENT.
(expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
(get_inner_reference): Likewise.
(copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
(expand_assignment): Local vars for alignment now unsigned.
(store_constructor, store_field, expand_expr, do_jump): Likewise.
(do_compare_and_jump): Likewise.
(store_field): Call new function expr_align.
* expr.h (emit_block_move, emit_group_load, emit_group_store):
Alignment arg now unsigned.
(clear_storage, emit_push_insn, compare_from_rtx): Likewise.
(do_compare_rtx_and_jump, store_bit_field): Likewise.
(extract_bit_field): Likewise.
* fold-const.c (add_double): Add cast to eliminate signedness warning.
* machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
(get_best_mode): Alignment arg is unsigned.
* rtl.h (move_by_pieces): Likewise.
* store-layout.c (maximum_field_alignment, set_alignment):
Now unsigned.
(layout_decl): Alignment arg is now unsigned.
Remove unneeded casts.
(layout_record, layout_union, layout_type): Remove unneeded casts.
Local alignment variables now unsigned.
(get_best_mode): Alignment arg now unsigned.
* tree.c (expr_align): New function.
* tree.h (expr_align): Likewise.
(maximum_field_alignment, set_alignment): Now unsigned.
(get_inner_reference): Alignment argument is now pointer to unsigned.
* varasm.c (assemble_variable): Add cast to eliminate warning.
From-SVN: r31904
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* calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
* except.c (eh_regs): Likewise.
* final.c (output_operand): Likewise.
* fold-const.c (target_isinf, target_isnan): Likewise.
From-SVN: r31490
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* eh-common.h: PROTO -> PARAMS.
* emit-rtl.c: Likewise.
* errors.c: Likewise.
* errors.h: Likewise.
* except.c: Likewise.
* except.h: Likewise.
* explow.c: Likewise.
* expmed.c: Likewise.
* expr.c: Likewise.
* expr.h: Likewise.
* final.c: Likewise.
* fix-header.c: Likewise.
* flow.c: Likewise.
* fold-const.c: Likewise.
* function.c: Likewise.
* function.h: Likewise.
* gcc.c: Likewise.
* gcov-io.h: Likewise.
* gcov.c: Likewise.
* gcse.c: Likewise.
From-SVN: r31419
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* Makefile.in (optabs.o): Depend on real.h
(resource.o): Depend on insn-attr.h
* builtins.c (result_vector): Wrap prototype in macro conditions
governing definition and use.
* c-common.c: Include tm_p.h.
* c-lex.c: Likewise.
* elfos.h: Constify a char*.
* final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
(get_attr_length, shorten_branches, profile_after_prologue): Mark
parameter with ATTRIBUTE_UNUSED.
* fold-const.c (exact_real_inverse): Wrap variable `i' in
CHECK_FLOAT_VALUE.
* haifa-sched.c (schedule_insns): Mark parameter with
ATTRIBUTE_UNUSED.
* optabs.c: Include real.h.
* real.h (ereal_atof): Add prototype arguments.
* resource.c: Include insn-attr.h.
* sdbout.c (sdbout_queue_anonymous_type,
sdbout_dequeue_anonymous_types): Wrap in macro
SDB_ALLOW_FORWARD_REFERENCES.
(sdbout_init, sdbout_start_new_source_file): Mark parameter with
ATTRIBUTE_UNUSED.
* stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
* stupid.c: Include tm_p.h.
* tree.c (real_value_from_int_cst): Mark parameter with
ATTRIBUTE_UNUSED.
cp:
* lex.c: Include tm_p.h.
ch:
* lex.c: Include tm_p.h.
From-SVN: r31308
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HOST_BITS_PER_WIDE_INT correctly.
* fold-const.c (lshift_double, rshift_double): Handle
shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
From-SVN: r31289
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* fold-const.c (real_hex_to_f): Remove duplicate declaration of
expon.
From-SVN: r31273
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From-SVN: r31197
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* cse.c (free_element, get_element): Remove unused prototypes.
* fold-const.c (extract_muldiv): Initialize variables `op0' and
`op1'.
* jump.c (invert_exp): Add explicit braces to avoid ambiguous
`else' clauses.
From-SVN: r31123
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* fold-const.c (operand_equal_p): Use memcmp to compare string
constants.
From-SVN: r31097
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From-SVN: r31091
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* fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
Remove redundant initialization of "frexpon" and "expon".
From-SVN: r31043
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From-SVN: r31019
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* alias.c: Minor reformatting.
* flow.c: Likewise.
* regs.h: Likewise.
* stor-layout.c: Likewise.
* fold-const.c: Likewise.
(OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
(struct cb_args, const_binop_1, const_binop): Pass type of arg,
not arg itself.
(size_int_wide): Cache nodes even if garbage collecting.
(twoval_comparison_p): Reenable SAVE_EXPR case if operand
of SAVE_EXPR has no side effects.
* cse.c: Move a comment.
* tree.c: Minor reformatting.
(int_size_in_bytes): Return -1 if constant overflows.
* reload.c (combine_reloads): Do nothing if no output reload
From-SVN: r31017
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and LHS in non-constant case.
* fold-const.c (optimize_bit_field_compare): Only use one mode
for both RHS and LHS in non-constant case.
From-SVN: r30800
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From-SVN: r30715
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* fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
operation if C is negative.
(extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
(extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
law for some divisions if constant is negative and change other
divisions to the opposite rounding.
From-SVN: r30714
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From-SVN: r30706
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From-SVN: r30705
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* fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
(split_tree): Completely rework to make more general.
(make_range, fold): Call negate_expr.
(fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
(fold, associate): Call new split_tree and associate_trees.
(fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
From-SVN: r30673
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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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* fold-const.c (fold): Fix thinko when optimizing comparisons
against -0.0.
From-SVN: r30282
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From-SVN: r30174
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From-SVN: r30077
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(arg1))).
* fold-const.c (fold): Convert (or (not arg0) (not arg1))
to (not (and (arg0) (arg1))). Similary for and.
From-SVN: r30001
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to assocate code.
* fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
falltrought to assocate code.
Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
bits in common.
* combine.c (simplify_logical): Convert XOR to IOR if operands have
no bits in common; remove XOR to ROTATE conversion.
From-SVN: r29998
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* fold-const.c (fold): Handle more simplifications allowed by IEEE.
Co-Authored-By: Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
From-SVN: r29994
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From-SVN: r29966
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* fold-const.c (fold_range_test): Do not try to fold the range
test if the rhs or lhs has side effects.
From-SVN: r29526
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use this)
From-SVN: r29514
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From-SVN: r29483
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* system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
CTYPE_CONV in all ctype macros.
* cccp.c (initialize_char_syntax): Use uppercase ctype macro
from system.h.
* cexp.y (initialize_random_junk): Likewise.
* c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
* i370.c (handle_pragma): Likewise.
* i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
* v850.c (override_options): Likewise.
* doprint.c (_doprnt): Likewise.
* fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
Likewise.
* fixinc/server.c (load_data): Likewise.
* fold-const.c (real_hex_to_f): Likewise.
* genattr.c (write_upcase, gen_attr): Likewise.
* genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
write_upcase): Likewise.
* genemit.c (print_code): Likewise.
* genopinit.c (gen_insn): Likewise.
* genpeep.c (print_code): Likewise.
* genrecog.c (print_code): Likewise.
* optabs.c (init_libfuncs): Likewise.
ch:
* lex.c (maybe_downcase, getlc, handle_generic_pragma,
check_newline): Likewise.
f:
* bad.c (ffebad_finish): Likewise.
* fini.c (main): Likewise.
* intrin.c (ffeintrin_init_0): Likewise.
* lex.c (ffelex_hash_): Likewise.
* src.c (ffesrc_init_1): Likewise.
From-SVN: r29463
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From-SVN: r29150
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* Makefile.in (ggc-simple.o): Depend on varray.h.
(rtl.o): Depend on ggc.h.
(genattrtab.o): Depend on ggc.h.
(print-tree.o): Likewise.
(fold-const.o): Likewise.
* emit-rtl.c (sequence_element_free_list): Remove, and all references.
(make_insn_raw): Don't cache insns when GC'ing.
(emit_insn_before): Likewise.
(emit_insn_after): Likewise.
(emit_insn): Likewise.
(start_sequence): Use xmalloc to allocate the sequence_stack.
(end_sequence): Add free to free it.
(gen_sequence): Don't cache insns when GC'ing.
(clear_emit_caches): Don't use sequence_element_free_list.
(init_emit): Use xcalloc, not xmalloc+bzero.
* fold-const.c (size_int_wide): Kill the cache, when GC'ing.
* function.c (pop_function_context_from): Use free to free the
fixup_var_refs_queue.
(put_reg_into_stack): Allocate it with xmalloc.
* genattrtab.c: Include ggc.h.
(operate_exp): Don't use obstack_free when GC'ing.
(simplify_cond): Likewise.
(simplify_text_exp): Likewise.
(optimize_attrs): Likewise.
* gengentrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
GC'ing.
(gencode): Generate a #include for ggc.h.
* ggc-callbacks.c (ggc_p): Define it to zero.
* ggc-none.c (ggc_p): Likewise.
* ggc-simple.c: Include varray.h.
(ggc_mark_tree_varray): New function.
(ggc_add_tree_varray_root): Likewise.
(ggc_mark_tree_varray_ptr): Likewise.
* ggc.h (ggc_p): Declare.
(varray_head_tag): Likewise.
(ggc_add_tree_varray_root): Declare.
* print-tree.c (print_node): Don't check for TREE_PERMANENT
inconsistencies when GC'ing.
* rtl.c: Include ggc.h.
(rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
(rtx_alloc): Use ggc_alloc_rtx when GC'ing.
(rtx_free): Don't call obstack_free when GC'ing.
* toplev.c (rest_of_compilation): Call ggc_collect after every
pass, if GC'ing.
* tree.c (push_obstacks): Do nothing, if GC'ing.
(pop_obstacks_nochange): Likewise.
(pop_obstacks): Likewise.
(make_node): Use ggc_alloc_tree when GC'ing.
(copy_node): Likewise.
(get_identifier): Use ggc_alloc_string when GC'ing.
(build_string): Likewise.
(make_tree_vec): Use ggc_alloc_tree when GC'ing.
(tree_cons): Likewise.
(build1): Likewise.
(type_hash_canon): Don't call obstack_free when GC'ing.
Co-Authored-By: Bernd Schmidt <bernds@cygnus.co.uk>
Co-Authored-By: Mark Mitchell <mark@codesourcery.com>
From-SVN: r29125
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or lhs has side effects.
* fold-const.c (fold_range_test): Do not try to fold the range
test if the rhs or lhs has side effects.
From-SVN: r29058
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1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
* c-typeck.c (c_expand_start_case): Return immediately if exp
is an ERROR_MARK.
* fold-const.c (operand_equal_p): Return immediately if arg1
or arg0 are ERROR_MARKs.
* stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
fields of type ERROR_MARK when calculating if the record can
go in a register.
From-SVN: r28923
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(* d e)) c).
* fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
multiplicand out of (+ (* a b) (* c d)).
From-SVN: r28829
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* fold-const.c (fold): STRIP_NOPS when deciding whether or not
something is a candidate for optimize_bit_field_compare.
From-SVN: r27318
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converting a single bit compare.
h
* fold-const.c (fold_truthop): Make the field reference unsigned
when converting a single bit compare.
From-SVN: r27202
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candidate for...
* fold-const.c (fold): STRIP_NOPS when deciding whether or not
something is a candidate for optimize_bit_field_compare.
From-SVN: r27169
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extend the constant.
* fold-const.c (fold_truthop): When converting a one-bit
comparison don't sign extend the constant.
From-SVN: r26962
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* fold-const.c (make_range): Always initialize arg0 and arg1.
(fold): Simlarly for alt0 and alt1.
* function.c (fixup_var_refs_insns): Initialize insn_list.
(instantiate_virtual_regs_1): Initialize offset.
* optabs.c (expand_binop): Initialize carry_in, carry_out, op0_xhigh
and op1_xhigh.
* stmt.c (expand_end_case): Initialize minval and maxval.
From-SVN: r26632
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masks as long as their size and bit...
* fold-const.c (fold_truthop): Optimize bitfield references with
different masks as long as their size and bit position are the same.
From-SVN: r26006
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it appropriately.
* fold-const.c (fold_truthop): Build a type for both the lhs and
rhs and use it appropriately.
From-SVN: r26005
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bitfield references.
* fold-const.c (fold_truthop): Mask the lhs and rhs after merging
adjacent bitfield references.
From-SVN: r26004
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position when...
* fold-const.c (fold_truthop): Verify that the lhs and rhs are
in the same bit position when optimizing bitfield references
which have the same mask.
From-SVN: r25993
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the type.
* fold-const.c (make_range): If orig_type is unset, set it as soon
as we know the type. Remove now unnecessary set of orig_type for
conversions.
Co-Authored-By: Jeffrey A Law <law@cygnus.com>
From-SVN: r25959
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