* except.h (protect_cleanup_actions): Remove it.
(lang_protect_cleanup_actions): Declare it.
* except.c (protect_cleanup_actions): Remove it.
(lang_protect_cleanup_actions): New variable.
(init_eh): Don't make protect_cleanup_actions a GC root.
(expand_eh_region_and_cleanup): Call
lang_protect_cleanup_actions.
(output_function_exception_table): Remove unused `align'
variable.
* varasm.c (assemble_external): Abort if we have not yet
opened the assembly output file.
* except.c (cp_protect_cleanup_actions): New function.
(init_exception_processing): Don't set protect_cleanup_actions
here. Do set lang_protect_cleanup_actions.
From-SVN: r42218
2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
* rtl.h (SYMBOL_REF_WEAK): New macro.
* rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
* varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
* rtl.texi (SYMBOL_REF_WEAK): Document it.
* gcc.texi: Remove wrong description.
From-SVN: r42046
* flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
into the constant pool.
* jump.c (jump_optimize_1): Remove barrier successors after all
the LABEL_NUSES counds have been computed.
(delete_barrier_successors): When deleting a tablejump insn, also
delete the jump table it uses.
* varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
label into memory.
From-SVN: r41662
* expmed.c (store_bit_field): Truncate CONST_INTs.
(expand_mult_highpart, expand_divmod): Likewise.
* expr.c (convert_modes, store_field): Likewise.
* integrate.c (expand_inline_function): Use promote_mode() to
determine whether to convert_modes() an argument as signed
or unsigned.
* optabs.c (expand_binop): Get CONST_INT operands
sign-extended for their appropriate modes.
* stmt.c (emit_case_nodes): Convert node values to the
appropriate mode.
(expand_end_case): Convert minval and range to the appropriate
mode.
* unroll.c (loop_iterations): Truncate abs_diff to the mode of
the iteration variable.
* varasm.c (immed_double_const): Don't require words to be
narrower than host wide ints to properly sign-extend
CONST_INTs.
From-SVN: r41285
* varasm.c (make_decl_rtl): Don't append var_labelno discriminator
to variable names where DECL_NAME is different from
DECL_ASSEMBLER_NAME.
From-SVN: r40794
* configure.in: Move check for unsigned enumerated bitfields
to macro in aclocal.m4. Disable it for now.
* configure, config.in: Regenerate.
* system.h: Don't do anything with ONLY_INT_FIELDS. Use the
unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
* varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
kind above its first use.
* config/xm-interix.h, config/alpha/xm-alpha.h,
config/i370/xm-linux.h, config/i386/xm-beos.h,
config/i386/xm-mingw32.h, config/mips/xm-mips.h,
config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
Don't define ONLY_INT_FIELDS under any circumstances.
* config/pa/xm-pa.h: Don't define __BSD_NET2__.
* config/pa/xm-pahpux.h, config/pa/xm-papro.h,
config/sparc/xm-sysv4.h: Delete - now identical with some
other xm header.
* config.gcc (hppa targets): Replace xm-pahpux.h and
xm-papro.h with implicit xm-pa.h.
(sparc targets): Replace xm-sysv4.h with implicit or explicit
xm-sparc.h.
From-SVN: r40399
* print-rtl.c (print_rtx): Cast enums to int for comparison.
* c-decl.c (grokdeclarator): Cast enums to int for comparison and
shifts.
* c-format.c (C_STD_VER): Cast to int for comparisons.
(check_function_format): Cast various enums to int for &.
(maybe_read_dollar_number): Likewise.
(check_format_info): Likewise.
(check_format_info_main): Likewise.
* expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
(safe_from_p): Likewise.
* varasm.c (const_hash): Cast enum to int for %.
* emit-rtl.c (init_emit_once): Use int loop variable to work around
pcc enum problems with < and ++ operators.
* regclass.c (init_reg_sets_1): Cast enums for comparison.
(choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
(regclass_init): Change enum class to int to iterate over reg_classes.
* genrecog.c (merge_trees): Cast enums for comparison.
* rtl.h (GET_CODE): Cast to enum rtx_code.
(PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
(GET_MODE): Cast to enum machine_mode.
(PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
(GET_NOTE_INSN_NAME): Cast enum to int.
* tree.h (TREE_CODE): Cast to enum tree_code.
(TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
* timevar.c (timevar_print): Change loop variable id from enum to
unsigned int.
* fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
* config/i386/i386.md: Use PUT_MODE for mode assignment.
* toplev.c (compile_file): Cast enum DFI to int.
(decode_d_option): Likewise.
From-SVN: r40193
2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
* varasm.c (mark_constant_pool): Improve initial comments.
(mark_constants): Move marking of constants to mark_constant.
(mark_constant): New function to recursively mark all constants
referred to by a constant.
From-SVN: r38721
* c-decl.c (finish_struct): Detect flexible array members
used in an inappropriate context.
* c-typeck.c (really_start_incremental_init): Special case
constructor_max_index for zero length arrays.
(pop_init_level): Allow initialization of flexible array
members. Deprecate initialization of zero length arrays.
Don't issue missing initializer warning for flexible array
members or zero length arrays.
(process_init_element): Don't dereference null DECL_SIZE.
* varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
Don't abort for empty constructors. Use size_binop
(output_constructor): Add commentary regarding zero length
array futures. Abort if we try to initialize an array of
unspecified length with a non-empty constructor in the middle
of a structure.
* extend.texi (Zero Length): Update and clarify documentation
on static initialization.
From-SVN: r38705
* varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
Only call array_size_for_constructor if last field and array type
with no upper bound.
From-SVN: r38691
2000-12-28 Jeffrey Oldham <oldham@codesourcery.com>
* varasm.c (initializer_constant_valid_p): Indicate subtraction of
pointers to the same string constant is absolute.
From-SVN: r38514
* final.c (output_addr_const) [LABEL_REF]: Simplify.
[MINUS]: Enclose non-CONST_INTs in parentheses.
[default]: Try OUTPUT_ADDR_CONST_EXTRA.
* tm.texi (OUTPUT_ADDR_CONST_EXTRA): Document it.
* varasm.c (decode_rtx_const) [CONST]: If it's not something
PLUS or MINUS a CONST_INT, use the whole CONST with offset 0
instead of abort()ing.
* sh.c (output_pic_addr_const): Removed. Fixed all callers.
* sh.h (OUTPUT_ADDR_CONST_EXTRA): New. Handle the UNSPECs
formerly handled in output_pic_addr_const.
* sh.md (sym_label2reg, symPLT_label2reg): Enclose UNSPEC
operands of MINUS in CONSTs so that decode_rtx_const() will
accept them.
From-SVN: r37691
* c-decl.c (grokdeclarator): Support flexible array members.
Use open-ended ranges for these and zero-length arrays.
* c-typeck.c (push_init_level): Validate the context of
initialization of a zero-length array.
* tree.c (int_fits_type_p): Be prepared for missing bounds.
* varasm.c (array_size_for_constructor): New.
(output_constructor): Use it for arrays of unspecified length.
* extend.texi (Zero Length): Mention C99 flexible array members.
Document initialization in a top-level struct as valid.
From-SVN: r37576
* stringpool.c: New file.
* ggc-common.c (ggc_mark_string_ptr, ggc_add_string_root): Delete.
(ggc_alloc_string): Now in stringpool.o.
* ggc-page.c, ggc-simple.c: Do not define or allocate empty_string.
* ggc.h: Delete prototype of ggc_add_string_root. #define
ggc_add_string_root and ggc_mark_string to nothing. Prototype
init_stringpool and stringpool_statistics.
(ggc_alloc_string): Returns a const char *.
* tree.c (hash_table, do_identifier_warnings): Delete.
(init_obstacks): Don't initialize the identifier hash table.
(get_identifier, maybe_get_identifier, start_identifier_warnings,
set_identifier_size): Now in stringpool.c.
* tree.h (struct tree_string): Constify pointer field.
(approx_sqrt): Prototype.
* Makefile.in (stringpool.o): Add rule, mention in OBJS.
* toplev.c (approx_sqrt): New function.
(compile_file): Call stringpool_statistics if mem_report is on.
(main): Call init_stringpool.
* builtins.c (c_strlen), c-decl.c (finish_decl), c-lex.c
(process_directive), c-typeck.c (constructor_asmspec, struct
initializer_stack, start_init), except.c (create_rethrow_ref),
stmt.c (digit_strings), toplev.c (decode_f_option), tree.c
(built_in_filename), varasm,c (in_named_name,
assemble_static_space, struct constant_descriptor, struct
deferred_string, struct pool_constant, force_const_mem),
i386.c (pic_label_name, global_offset_table_name), rs6000.c
(rs6000_emit_prologue, rs6000_emit_epilogue) : Constify a char *.
* c-common.c (combine_strings): Combine strings in scratch
buffer, then pass to build_string.
* optabs.c (init_libfuncs), profile.c (init_edge_profiler,
output_func_start_profiler), stmt.c (init_stmt), alpha.c
(alpha_need_linkage), arm.c (arm_encode_call_attribute),
i386.c (load_pic_register), ia64.c (ia64_encode_section_info),
rs6000.c (rs6000_encode_section_info): Create string in
scratch buffer, then pass to ggc_alloc_string.
* stmt.c (expand_asm_operands): If we must adjust the
constraint strings, do so by creating a new one, not by
modifying the old one in place. Constify some char *s.
* config/pa/pa.c (hppa_encode_label): Drop unnecessary second
argument. Create string in scratch buffer, then pass to
ggc_alloc_string.
* config/pa/pa-protos.h: Update prototype.
* config/pa/elf.h, config/pa/pa.h, config/pa/som.h:
hppa_encode_label takes only one argument.
* c-parse.in (if_prefix): Find the filename and line number at
$-2 and $-1 respectively.
* diagnostic.c (error_recursion): Add missing newline, use
fputs, translate string.
cp:
* lex.c (struct impl_files, internal_filename): Constify a char *.
java:
* jcf-parse.c (get_constant), parse.y (do_merge_string_cste):
Create string in scratch buffer, then pass to build_string.
From-SVN: r37514
* varasm.c (struct deferred_string): New structure.
(const_str_htab): New variable.
(STRHASH): New macro.
(mark_const_str_htab_1, mark_const_str_htab, const_str_htab_hash,
constr_str_htab_eq, const_str_htab_del): New functions.
(output_constant_def): Add DEFER argument, defer string
constants until mark_constant_pool time if requested.
(mark_constant_pool): Walk the insn chain even if const_str_htab is
not empty.
(mark_constants): If a SYMBOL_REF for deferred string is found,
output it and remove from hash table.
(output_addressed_constants): Set DEFER to 0 in call to
output_constant_def.
* rtl.h (STRING_POOL_ADDRESS_P): Define.
(output_constant_def): Adjust prototype.
* expr.c (expand_expr): Set DEFER to 1 in call to output_constant_def.
* gcc.c-torture/execute/20000801-4.c: Make sure the second string is
output.
From-SVN: r37459
* varasm.c (struct varasm_status): Change x_const_rtx_sym_hash_table
to array of pool_constnat pointers.
(struct pool_constant): Add next_sym and label members.
(struct pool_sym): Remove.
(init_varasm_status): Change pool_sym into pool_constant.
(mark_pool_constant): Mark pc->label string as well.
(mark_pool_sym_hash_table): Remove.
(mark_varasm_status): Remove it from caller as well.
(free_varasm_status): Don't free pool_sym structures.
(force_const_mem): Don't allocate pool_sym structure, instead
fill pool->label and chain it into rtx_sym hash table.
(find_pool_constant, mark_constant_pool): Use pool_constant instead
of pool_sym.
From-SVN: r37451
* varasm.c (make_decl_rtl): Restore leading star on
DECL_ASSEMBLER_NAME set for decls with an asmspec.
* gcc.dg/asm-names.c: New test.
From-SVN: r36309
* tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
(TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
(TREE_INT_CST): New macro.
* varasm.c (const_hash, compare_constant_1, record_constant_1):
Use new macro TREE_INT_CST.
From-SVN: r36076
* expr.c (store_constructor): Allow variable bounds of array type.
(expand_expr): Don't blow up if type is ERROR_MARK.
* varasm.c (output_constructor): Don't access lower bound of array
type unless need it if index is supplied (so it can be a variable
if no index is supplied).
Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
Other minor cleanups.
From-SVN: r36060
* c-common.c (declare_function_name): Use func_id_node,
function_id_node, and pretty_function_id_node. Do not make
__func__ visible at file scope.
* c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
(function_id_node, pretty_function_id_node, func_id_node): New
macros.
* c-decl.c (init_decl_processing): Initialize function_id_node,
pretty_function_id_node, and func_id_node.
(c_make_fname_decl): Correct comment.
* tree.h (struct tree_identifier): Constify pointer member.
* c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
* c-pragma.h (struct weak_syms): Constify name and value members.
(add_weak): Constify arguments.
* calls.c (special_function_p): Constify a char *.
(expand_call): Remove variable which is initialized and then
never used.
* dependence.c (struct def_use, struct induction, struct subscript):
Constify 'variable' member.
(get_low_bound, have_induction_variable): Constify char * argument.
(find_induction_variable): Add braces to avoid dangling else.
(classify_dependence): Constify char * arrays.
* profile.c (output_func_start_profiler): Constify a char *.
* stor-layout.c (finalize_record_size): Constify a char *.
* tree.c (is_attribute_p): Constify a char *.
* varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
* varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
for comprehensibility. Do not call get_identifier if we did
not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
create temporary string constants, not ggc_alloc_string. No
need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
char * to hold IDENTIFIER_POINTERs.
ch:
* inout.c (add_enum_to_list): Use DECL_NAME directly, don't get
its IDENTIFIER_POINTER and immediately call get_identifier on it.
* lex.c (yywrap): Constify a char *.
cp:
* class.c (build_secondary_vtable): Constify a char *.
* decl.c (init_decl_processing): Initialize function_id_node,
pretty_function_id_node, and func_id_node.
* input.c (struct input_source): Constify 'str'.
(feed_input): Constify first argument.
* mangle.c (write_identifier): Constify argument.
* pt.c (mangle_class_name_for_template): Constify argument.
f:
* ansify.c: Use #line, not # <number>.
java:
* jcf-parse.c (set_source_filename): Constify a char *.
* jcf-write.c (append_innerclasses_attribute,
make_class_file_name): Constify a char *. Don't recycle a
variable for an unrelated purpose.
* parse.y: (build_alias_initializer_parameter_list): Constify a char *.
(breakdown_qualified): Do not modify IDENTIFIER_POINTER strings.
From-SVN: r36055
&& ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
lack of implemented alignment.
From-SVN: r35277
* varasm.c (constant_descriptor): Make contents unsigned char.
(mark_const_hash_entry): Adjust.
(const_hash): Just hash the code of unknown nodes.
(compare_constant_1): Adjust for unsigned char.
Use language specific expander on unknown nodes.
(record_constant_1): Likewise.
From-SVN: r34647
toplevel:
* ggc-none.c, ggc-simple.c, ggc-page.c (ggc_alloc_obj): Rename
it ggc_alloc, drop second argument, never clear returned memory.
* ggc-common.c (ggc_alloc_string): Use ggc_alloc.
(ggc_alloc_cleared): New.
* ggc.h: Prototype ggc_alloc and ggc_alloc_cleared, not
ggc_alloc_obj. Remove ggc_alloc macro.
(ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Use ggc_alloc.
* rtl.c (rtvec_alloc): Clear the vector always.
(rtx_alloc): Clear the first word always. Remove dirty
obstack tricks (this routine is no longer a bottleneck).
* tree.c (make_node): Clear the new node always.
(make_tree_vec): Likewise.
(tree_cons): Clear the common structure always.
(build1): Likewise; also, clear TREE_COMPLEXITY.
* gengenrtl.c: Use puts wherever possible. Remove extra
newlines.
(gendef): Clear the first word of an RTX in the generator
function, irrespective of ggc_p. Initialize '0' slots to
NULL.
(genlegend): Don't generate obstack_alloc_rtx routine, just a
thin wrapper macro around obstack_alloc.
* stmt.c (expand_fixup): Use ggc_alloc.
* c-typeck.c (add_pending_init): Use ggc_alloc.
* emit-rtl.c (init_emit_once): Clear CONST_DOUBLE_CHAIN(tem).
* varasm.c (immed_double_const): Set CONST_DOUBLE_MEM(r) to
const0_rtx when it is created.
(immed_real_const_1): Set CONST_DOUBLE_CHAIN(r) to NULL_RTX if
we are not in a function.
* tree.c (tree_class_check_failed): Make second arg an int.
* tree.h: Update prototype.
cp:
* call.c (add_candidate): Use ggc_alloc_cleared.
* decl.c (lookup_label): Likewise.
* lex.c (retrofit_lang_decl): Likewise.
From-SVN: r34478
* alias.c (get_alias_set): Don't call language-specific routine more
than is needed and clean up code a bit.
* c-common.c (c_get_alias_set): All references whose type
is char get alias set 0, but character types need not.
* varasm.c (make_function_rtl): Don't call set_mem_attributes.
(make_decl_rtl): Don't call it for FUNCTION_DECL.
From-SVN: r34341
* Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
* alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
(REG_BASE_VALUE): Remove unneeded cast to unsigned.
(get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
(find_base_decl): New function, from c_find_base_decl in c-common.c.
(new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
(get_alias_set): Likewise.
Major rework to do more things and allow language-specific code
to just handle special-cases.
(record_alias_subset): Args are HOST_WIDE_INT.
(record_component_alias): Local vars are HOST_WIDE_INT.
Don't handle COMPLEX_EXPR.
(get_varargs_alias_set): Moved from builtins.c.
(get_frame_alias_set): New function.
* builtins.c (expand_builtin_return_address): Use frame alias set.
(expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
for setjmp buffer.
(get_memory_rtx): Rework to use set_mem_attributes.
(get_varargs_alias_set): Deleted from here.
* c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
(c_find_base_decl): Deleted from here.
(c_get_alias_set): Remove many cases and rework to just handle
C-specific cases.
* c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
* c-decl.c (rtl.h, expr.h): Now included.
(init_decl_processing): Call record_component_aliases on array types.
(grokdeclarator): Likewise.
Set TREE_ADDRESSABLE for all fields that are not bitfields.
* c-typeck.c (common_type): Call record_component_aliases for array.
* caller-save.c (setup_save_areas): Rework register loop for unsigned.
Set all save areas to the frame alias set.
* calls.c (initialie_argument_information): Call set_mem_attributes.
(compute_argument_addresses, expand_call): Likewise.
* explow.c (set_mem_attributes): New function.
(stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
* expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
LEN and OFFSET now HOST_WIDE_INT.
(clear_by_pieces): Similar changes.
(move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
(move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
(move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
(clear_by_pieces_1): Likewise.
(emit_push_insn): Call set_mem_attributes.
(expand_expr, case INDIRECT_REF): Likewise.
(expand_expr, case VAR_DECL): Call change_address.
* expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
tree_low_cst.
(get_varargs_alias_set, get_frame_alias_set): New decls.
(record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
(new_alias_set, set_mem_attributes): Likewse.
* function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
(assign_stack_temp_for_type): Likewise.
Can split slot even if alias set since can copy.
Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
(assign_temp): Use host_integerp and tree_low_cst.
(put_var_into_stack): Properly handle SAVE_EXPR.
(put_addressof_into_stack): Likewise.
(assign_parms): Call set_mem_attributes.
Delete #if 0 code.
(fix_lexical_address): Put reference to chain into frame alias set.
(expand_function_start): Call set_mem_attributes.
* integrate.c (expand_inline_function): Likewise.
* recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
* regmove.c (try_apply_stack_adjustment): Likewise.
* reload.c (push_reload, make_memloc): Likewise.
* reload1.c (alter_reg): Make alias sets for spilled pseudos.
* rtl.def (MEM): Update comment.
* rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
(move_by_pieces): Change length to HOST_WIDE_INT.
(record_base_value, record_alias_subset): Delete from here.
* stmt.c (expand_decl): Call set_mem_attributes.
* stor-layout.c (finish_record_layout): Call record_component_aliases.i
* toplev.c (compile_file): Call init_alias_once earlier.
* tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
from here: now in alias.c.
* tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
(struct tree_decl): Likewise.
(get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
* varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
(output_constant_def, force_const_mem): Likewise.
* cp/Makefile.in (decl.o): Include ../expr.h.
* cp/decl.c (expr.h): Include.
(init_decl_processing): Call record_component_aliases for arrays.
(grokdeclarator): Likewise.
Set TREE_ADDRESSABLE for fields that aren't bitfields.
* cp/tree.c (build_cplus_array_type_1): Call record_component_aliases.
From-SVN: r34325
2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
Andrew Haley <aph@cygnus.com>
* except.c (func_eh_entry): Add emitted field.
(new_eh_region_entry): Set emitted field to 0;
(output_exception_table_entry): Only emit previously un-emitted data,
and send it to the eh_data section.
(output_exception_table): Break out common parts. Output
exception table for entire compilation unit to eh_data section.
(output_exception_table_data): Common parts of output_exception_table.
Send output to eh_data section.
(output_function_exception_table): Output exception table data for
a single function to eh_data section.
(free_exception_table): New external to free the table.
* except.h (free_exception_table): Add prototype.
(output_function_exception_table): Add prototype.
* final.c (final_end_function): Output function exception table
for IA64_UNWIND_INFO.
(final_scan_insn): Emit any unwind directives for an insn.
* frame-dwarf2.c: New file containing all DWARF 2 specific code
from frame.c.
* frame.c: Remove all DWARF 2 specific code.
* config/ia64/frame-ia64.c: New file.
(gthread_stuff): Make all gthread available with
IA64_UNWIND_INFO.
(dwarf_fde): Define an IA64 struct for dwarf_fde.
(__register_frame_info, __register_frame): Move to common area of file.
(__register_frame_info_table, __register_frame_table): Move to common i
area.
(__deregister_frame_info, __deregister_frame): Move to common area.
(__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
(read_uleb128): New version for ia64.
(get_unwind_record): Read the next IA-64 unwind record.
(read_R_record): Read a region header record.
(process_a_b_reg_code): X record helper.
(read_X_record): Read an X format record.
(read_B_record): Read a B format record.
(P3_record_types): List of record types matching the P3 format.
(P7_record_types): List of record types matching the P7 format.
(P8_record_types): List of record types matching the P8 format.
(read_P_record): Read a P format record.
(init_ia64_reg_loc): Set default fields for a register.
(init_ia64_unwind_frame): Set defaults for all register records.
(execute_one_ia64_descriptor): Execute one descriptor record.
(rse_address_add): Calculate the position of a local reg in memory.
(normalize_reg_loc): Turn a location descriptor into a memory address.
(maybe_normalize_reg_loc): Only normalize a descriptor if it falls
within a specified PC offset range.
(get_real_reg_value): Given a register location, retrieve its value.
(set_real_reg_value): Change the value of a register location.
(copy_reg_value): Copy reg values, if needed.
(copy_saved_reg_state): Copy all registers that need to be copied.
(process_state_between): Normalize all frame register records that
fall within the specified PC range.
(frame_translate): Take a processed frame description, and turn
everything into addresses.
(build_ia64_frame_state ): Find and create frame state record for a PC.
(get_personality): Get the personality routine for a given frame.
(get_except_table): Get the exception table for a given frame.
(record_name): Unwind record names for debugging.
(print_record): Print and unwind record.
(print_all_records): Print an entire unwind image.
(__ia64_backtrace): Print a backtrace.
(ia64_backtrace_helper): New function.
(__register_frame_info_aux): New function.
* config/ia64/crtend.asm (__do_frame_setup_aux): New function.
* frame.h (enum unw_record_type): New unwind record types.
(struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
(struct unw_r_record, unwind_record): New unwind record structs.
(struct unwind_info_ptr): Unwind information layout.
(IA64_UNW_LOC_TYPE_*): Macros for different types for location
descriptors.
(struct ia64_reg_loc): Register location description.
(struct ia64_frame_state): Location of all registers in a frame.
(struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
* libgcc2.c (__ia64_personality_v1): Personality routine.
(__calc_caller_bsp): Calculate the bsp register for the caller's
frame.
(ia64_throw_helper): Figure out who to return to and set up the
registers.
(__throw): Throw routine.
* output.h (assemble_eh_align, assemble_eh_label): New functions
to generate EH info where we want it.
(assemble_eh_integer): New function.
* toplev.c (compile_file): Output module level exception table for
non-ia64 targets.
(main): Set exceptions_via_longjump and flag_new_exceptions based
on IA64_UNWIND_INFO too.
* varasm.c (assemble_eh_label): Generate a label via
ASM_OUTPUT_EH_LABEL if it has been specified.
(assemble_eh_align): Generate an alignment directive via
ASM_OUTPUT_EH_ALIGN if it has been specified.
(assemble_eh_label): Generate an integer value via
ASM_OUTPUT_EH_type if they have been specified.
* config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
(ia64_init_builtins): Add __builtin_ia64_bsp
and __builtin_ia64_flushrs.
(ia64_expand_builtin): Add IA64_BUILTIN_BSP and
IA64_BUILTIN_FLUSHRS.
* config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
IA64_BUILTIN_FLUSHRS.
* config/ia64/ia64.md (flushrs): New insn to flush the register
stack. Add to unspec list.
* config/ia64/crtbegin.asm (frame_object): Change size.
(__do_frame_setup_aux): New function.
* config/ia64/crtend.asm: call __do_frame_setup_aux.
* config/ia64/t-ia64 (LIB2ADDEH): Add.
* Makefile.in (LIB2ADDEH): Add.
(LIB2ADD): Use LIB2ADDEH.
Co-Authored-By: Andrew Haley <aph@cygnus.com>
From-SVN: r34169
* diagnostic.c: Eliminate implicit int.
* except.c, gcc.c: Add static prototypes.
* final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
* gensupport.c (process_rtx): Use XVEC to initialize vector
slot of 'split'.
* print-rtl.c: If DEBUG_REGISTER_NAMES, define static
debug_reg_names instead of static reg_names. If not, define
global reg_names.
* regclass.c: Don't define global reg_names unless
DEBUG_REGISTER_NAMES is defined.
* reload1.c (order_regs_for_reload): Remove unused variable.
* varasm.c: Include output.h after defaults.h. Define
eh_frame_section as function of no args, not of unspecified args.
* gcc.c: Constify argbuf; arguments to store_arg,
process_command, main; elements of struct command and struct
switchstr; local variables in execute, process_command, main.
cp:
* except.c: Add static prototypes.
From-SVN: r34054
* expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
memory usage if not in a function.
* varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
return address if static.
From-SVN: r33629
modify sizes to be unsigned and use HOST_WIDE_INT.
* alias.c (reg_known_value_size): Now unsigned.
* c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
(really_start_incremental_init): Use bitsize_zero_node.
(push_init_level, pop_init_level, output_init_element): Likewise.
Use bitsize_unit_node and bitsize_one_node.
(output_pending_init_elements, process_init_element): Likewise.
* combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
(make_extraction): Position and length HOST_WIDE_INT and unsigned
HOST_WIDE_INT, respectively.
(get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
(num_sign_bit_copies): Returns unsigned.
BITWIDTH now unsigned; rework arithmetic.
Remove recursive call from arg to MAX.
(combine_instructions, init_reg_last_arrays): NREGS now unsigned.
(setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
REGNO now unsigned.
(set_nonzero_bit_and_sign_copies): NUM now unsigned.
(find_split_point, expand_compound_operation, make_extraction): LEN
now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
(make_field_assignment): Likewise.
(combine_simplify_rtx): Add cast.
(expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
(force_to_mode): WIDTH now unsigned; add cast.
(if_then_else_cond): SIZE now unsigned.
(nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
(extended_count): Now returns unsigned.
(simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
(simplify_comparison): MODE_WIDTH now unsigned.
(update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
(mark_used_regs_combine): Likewise; rework arithmetic.
(record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
(record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
(record_promoted_value): REGNO now unsigned.
(get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
(get_last_value): REGNO now unsigned.
(use_crosses_set_p): REGNO and ENDREGNO now unsigned.
(reg_dead_regno, reg_dead_endregno): Now unsigned.
(remove_death): Arg REGNO now unsigned.
(move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
(reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
now unsigned.
* convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
* cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
(struct cse_reg_info): REGNO now unsigned.
(cached_regno): Now unsigned.
(REGNO_QTY_VALID_P): Add cast.
(make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
(remove_invalid_regs): Likewise.
(remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
as are variables END and I.
(get_cse_reg_info, insert): Likewise.
(mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
(canon_hash): Likewise.
(insert_regs, lookup_for_remove): REGNO now unsigned.
(invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
New variable RN.
* dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
* dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
* emit-rtl.c (subreg_realpart_p): Add cast.
(operand_subword): Arg I is now unsigned as is var PARTWORDS.
(operand_subword_force): Arg I is now unsigned.
* except.c (eh_regs): Variable I is now unsigned.
* explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
* expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
length is unsigned HOST_WIDE_INT; likewise for internal variables.
(store_split_bit_field, extract_fixed_bit_field): Likewise.
(extract_split_bit_field, store_bit_field, extract_bit_field):
Likewise.
* expr.c (store_constructor_fields, store_constructor, store_field):
Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
(expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
(do_jump): Likewise.
(move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
MAX_SIZE is now unsigned.
(emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
(emit_group_store): Likewise.
(emit_move_insn): I now unsigned.
(store_constructor): Use host_integerp, tree_low_cst, and
bitsize_unit_node.
(get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
Rework all calculations to use trees and new fields.
* expr.h (promoted_input_arg): Regno now unsigned.
(store_bit_field, extract_bit_field): Adjust types of pos and size.
(mark_seen_cases): Arg is HOST_WIDE_INT.
* flow.c (verify_wide_reg_1): REGNO now unsigned.
* fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
precisions and alignments are unsigned.
(optimize_bit_field_compare, fold_truthop): Likewise.
(int_const_binop): Adjust threshold for size_int_type_wide call.
(fold_convert): Likewise.
(size_int_type_wide): Make table larger and fix thinko that only
had half of table used.
(all_ones_mask_p, fold): Precisions are unsigned.
* function.c (put_reg_info_stack): REGNO is unsigned.
(instantiate_decl): Size is HOST_WIDE_INT.
(instantiate_virtual_regs): I is unsigned.
(assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
(promoted_input_arg): REGNO is unsigned.
* function.h (struct function): x_max_parm_reg is now unsigned.
* gcse.c (max_gcse_regno): Now unsigned.
(struct null_pointer_info): min_reg and max_reg now unsigned.
(lookup_set, next_set): REGNO arg now unsigned.
(compute_hash_table): REGNO and I now unsigned.
(handle_avail_expr): regnum_for_replacing now unsigned.
(cprop_insn): REGNO now unsigned.
(delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
* ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
* global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
* hard-reg-set.h (reg_class_size): Now unsigned.
* integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
* jump.c (mark_modified_reg): I now unsigned; add cast.
(rtx_equal_for_thread_p): Add cast.
* loop.c (max_reg_before_loop): Now unsigned.
(struct_movable): REGNO now unsigned.
(try_copy_prop): REGNO arg unsigned.
(regs_match_p): XN and YN now unsigned.
(consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
(strength_reduce): Likewise; NREGS also unsigned.
(first_increment_giv, last_increment_giv unsigned): Now unsigned.
* loop.h (struct iv_class): REGNO now unsigned.
(max_reg_before_loop, first_increment_giv, last_increment_giv):
Now unsigned.
* machmode.h (mode_size, mode_unit_size): Now unsigned.
(mode_for_size, smallest_mode_for_size): Pass size as unsigned.
* optabs.c (expand_binop): I and NWORDS now unsigned.
(expand_unop): I now unsigned.
* print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
* real.c (significand_size): Now returns unsigned.
* real.h (significand_size): Likewise.
* regclass.c (reg_class_size): Now unsigned.
(choose_hard_reg_mode): Both operands now unsigned.
(record_reg_classes): REGNO and NR now unsigned.
(reg_scan): NREGS now unsigned.
(reg_scan_update): old_max_regno now unsigned.
(reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
* reload.c (find_valid_class): BEST_SIZE now unsigned.
(find_dummy_reload): REGNO, NWORDS, and I now unsigned.
(hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
Likewise for variable R.
(refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
(find_equiv_reg): Add casts.
(regno_clobbered_p): Arg REGNO now unsigned.
* reload.h (struct reload): NREGS now unsigned.
(refers_to_regno_for_reload_p): Regno args are unsigned.
(regno_clobbered_p): Likewise.
* reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
(compute_use_by_pseudos): REGNO now unsigned.
(find_reg): I and J now unsigned, new variable K, and change loop
variables accordingly; THIS_NREGS now unsigned.
(alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
(spill_hard_reg): REGNO arg now unsigned; add casts.
(forget_old_reloads_1): REGNO, NR, and I now unsigned.
(mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
(clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
(reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
(choose_reload_regs): MAX_GROUP_SIZE now unsigned.
(emit_reload_insns): REGNO now unsigned.
(reload_cse_move2add): Add cast.
(move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
and rework loop.
* resource.c (mark_referenced_resources, mark_set_resources): New
variable R; REGNO and LAST_REGNO now unsigned.
(mark_target_live_regs): J and REGNO now unsigned.
* rtl.c (mode_size, mode_unit_size): Now unsigned.
* rtl.h (union rtunion_def): New field rtuint.
(XCUINT): New macro.
(ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
(operand_subword, operand_subword_force): Word number is unsigned.
(choose_hard_reg_mode): Operands are unsigned.
(refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
(find_regno_note, find_regno_fusage, replace_regs): Likewise.
(regno_use_in, combine_instructions, remove_death): Likewise.
(reg_scan, reg_scan_update): Likewise.
(extended_count): Return is unsigned.
* rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
(reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
(reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
(reg_reg_last_1): FIRS and LAST now unsigned.
(dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
(dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
now unsigned.
(find_regno_note, regno_use_in): Arg REGNO now unsigned.
(find_regno_fusage): Likewise; also var REGNOTE now unsigned.
(find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
(replace_regs): Arg NREGS now unsigned.
* sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
* simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
(simplify_binary_operation): Likewise.
(cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
THIS_LAST now unsigned.
(cselib_record_set): Add cast.
* ssa.c (ssa_max_reg_num): Now unsigned.
(rename_block): REGNO now unsigned.
* stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
sizes now unsigned.
(all_cases_count): Just return -1 not -2.
COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
Rework tests to use trees whenever possible.
Use host_integerp and tree_low_cst.
(mark_seen_cases): COUNT arg now HOST_WIDE_INT;
Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
(check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
* stor-layout.c (mode_for_size): SIZE arg now unsigned.
(smallest_mode_for_size): Likewise.
(layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
KNOWN_ALIGN is now an alignment, so simplify code.
Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
(start_record_layout): Renamed from new_record_layout_info.
Update to new fields.
(debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
New functions.
(place_union_field): Renamed from layout_union_field.
Update to use new fields in rli.
(place_field): Renamed from layout_field.
Major rewrite to use new fields in rli; pass alignment to layout_decl.
(finalize_record_size): Rework to use new fields in rli and handle
union.
(compute_record_mode): Rework to simplify and to use new DECL fields.
(finalize_type_size): Make rounding more consistent.
(finish_union_layout): Deleted.
(layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
(layout_type, case RECORD_TYPE): Call new function names.
(initialize_sizetypes): Set TYPE_IS_SIZETYPE.
(set_sizetype): Set TYPE_IS_SIZETYPE earlier.
(get_best_mode): UNIT is now unsigned; remove casts.
* tree.c (bit_position): Compute from new fields.
(byte_position, int_byte_position): New functions.
(print_type_hash_statistics): Cast to remove warning.
(build_range_type): Use host_integerp and tree_low_cst to try to hash.
(build_index_type): Likewise; make subtype of sizetype.
(build_index_2_type): Pass sizetype to build_range_type.
(build_common_tree_nodes): Use size_int and bitsize_int to
initialize nodes; add bitsize_{zero,one,unit}_node.
* tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
(DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
(DECL_PACKED, DECL_BIT_FIELD): Likewise.
(DECL_FIELD_BITPOS): Deleted.
(DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
(DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
(DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
(DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
(DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
(DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
(DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
(DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
(DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
(DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
(DECL_ALIGN): Adjust to new field in union.
(DECL_OFFSET_ALIGN): New field.
(DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
(DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
(union tree_decl): Add struct for both aligns.
(enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
(bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
(struct record_layout_info): Rework fields to have offset
alignment and byte and bit position.
(start_record_layout, place_field): Renamed from old names.
(rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
(byte_position, int_byte_position): Likewise.
(get_inner_reference): Change types of position and length.
* unroll.c (unroll_loop): New variable R; use for some loops.
MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
(calculate_giv_inc): Arg REGNO now unsigned.
(copy_loop_body): REGNO and SRC_REGNO now unsigned.
* varasm.c (assemble_variable): Clean up handling of size using
host_integerp and tree_low_cst.
(decode_addr_const): Use byte, not bit, position.
(output_constructor): bitpos and offsets are HOST_WIDE_INT;
use tree_low_cst and int_bit_position.
* objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
* ch/actions.c (check_missing_cases): BYTES_NEEDED is HOST_WIDE_INT.
* ch/typeck.c (expand_constant_to_buffer): Use int_byte_position.
(extract_constant_from_buffer): Likewise.
* cp/class.c (build_vbase_pointer_fields): layout_field now
place_field.
(get_vfield_offset): Use byte_position.
(set_rtti_entry): Set OFFSET to ssizetype zero.
(get_binfo_offset_as_int): Deleted.
(dfs_record_base_offsets): Use tree_low_cst.
(dfs_search_base_offsets): Likewise.
(layout_nonempty_base_or_field): Reflect changes in RLI format
and call byte_position.
(layout_empty_base): Convert offset to ssizetype.
(build_base_field): use rli_size_unit_so_far.
(dfs_propagate_binfo_offsets): Do computation in proper type.
(layout_virtual_bases): Pass ssizetype to propagate_binfo_offsets.
(layout_class_type): Reflect changes in RLI names and fields.
(finish_struct_1): Set DECL_FIELD_OFFSET.
* cp/dump.c (dequeue_and_dump): Call bit_position.
* cp/expr.c (cplus_expand_constant): Use byte_position.
* cp/rtti.c (expand_class_desc): Use bitsize_one_node.
* cp/typeck.c (build_component_addr): Use byte_position and don't
special case for zero offset.
* f/com.c (ffecom_tree_canonize_ptr_): Use bitsize_zero_node.
(ffecom_tree_canonize_ref_): Likewise.
* java/class.c (make_field_value): Use byte_position.
* java/expr.c (JAVA_ARRAY_LENGTH_OFFSET): Use byte_position.
(java_array_data_offset): Likewise.
* java/java-tree.h (MAYBE_CREATE_TYPE_TYPE_LANG_SPECIFIC): Add case to
bzero call.
From-SVN: r32742
* c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
* c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
Regenerated.
* c-tree.h (min_precision): Move declaration to here.
* c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
(build_unary_op, add_pending_init): Use bit_position.
(pending_init_member, process_init_element): Likewise.
(really_start_incremental_init, push_init_level, pop_init_level):
Don't make copies of nodes or modify them in place, use consistent
types when tracking positions, and use tree routines computations.
(set_init_index, output_init_element): Likewise.
(output_pending_init_elements, process_init_element): Likewise.
* dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
tree_low_cst and int_bit_position; also minor cleanup.
(dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
(print_cst_octal): Precision is unsigned.
(dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
* dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
(simple_type_align_in_bits): Result is unsigned int.
Use tree_int_low_cst and host_integerp.
(simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
(field_byte_offset): Result is HOST_WIDE_INT.
Change types of internal variables so alignments are unsigned int,
offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
Use host_integerp, tree_low_cst, and int_bit_position.
(add_bit_offset_attribute): Likewise.
(add_data_member_location_attribute): Use tree_cst_low.
(add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
(add_bit_size_attribute): Use tree_low_cst.
(add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
* dwarfout.c: Similar changes to dwarf2out.c.
* expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
* genoutput.c (n_occurences): Return -1 for null string.
(strip_whitespace): Accept null string and make into function.
(scan_operands): Reflect above changes.
* sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
(sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
* ssa.c (rename_registers): Add missing cast of arg to bzero.
* tree.c (int_size_in_bytes): Check for too big to represent.
(bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
* tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
New declarations.
(min_precision): Delete from here.
* varasm.c (decode_addr_const): Use host_integerp, bit_position,
and int_bit_position.
* objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
(encode_method_def): Likewise.
(build_ivar_list_initializer): Use int_bit_position.
(generate_shared_structures): Convert size.
(encode_type, encode_complete_bitfield): Use integer_zerop.
(encode_bitfield): Use tree_low_cst and int_bit_position.
* ch/typeck.c (min_precision): New function.
(build_chill_slice): Use host_integerp and tree_low_cst.
(expand_constant_to_buffer): Likewise and also int_bit_position.
LO is unsigned HOST_WIDE_INT
(build_chill_array_ref_1): Make `i' be HOST_WIDE_INT; use tree_low_cst.
(extract_constant_from_buffer): Sizes are now HOST_WIDE_INT.
Use host_integerp and tree_low_cst.
(build_chill_bin_type): Use host_integerp and tree_low_cst.
(layout_chill_range_type): Use tree_int_cst_sgn, compare_tree_int,
tree_low_cst, and min_precision.
(apply_chill_array_layout): Cleanups for types of variables
and use tree_int_cst_sgn, compare_tree_int, and tree_low_cst.
(apply_chill_field_layout): Likewise.
* cp/class.c (build_vbase_path): Use integer_zerop.
(build_vtable_entry): Use tree_low_cst.
(get_vfield_offset): Use bit_position.
(dfs_modify_vtables): New variable vindex_val; `i' is HOST_WIDE_INT.
Use tree_low_cst.
(check_bitfield_decl): Set DECL_SIZE using convert.
(build_base_field): Set DECL_SIZE and DECL_SIZE_UNIT using size_binop.
(layout_virtual_bases): DSIZE is unsigned HOST_WIDE_INT.
Use tree_low_cst.
(finish_struct_1): Use bit_position.
(dump_class_hierarchy): Use tree_low_cst.
* cp/cp-tree.h (min_precision): Add declaration.
* cp/decl.c (xref_tag, xref_basetypes): Use tree_low_cst.
* cp/error.c (dump_type_suffix): Use host_integerp and tree_low_cst.
(dump_expr): Use integer_zerop, host_integerp, and tree_low_cst.
* cp/expr.c (cplus_expand_constant): Use bit_position.
* cp/init.c (build_vec_init): Use host_integerp and tree_low_cst.
* cp/rtti.c (get_base_offset): Use bit_position.
* cp/typeck.c (build_binary_op): Use integer_zerop, compare_tree_int,
host_integerp, and tree_low_cst.
(pointer_int_sum): Use integer_zerop.
(build_component_addr): Use bit_position.
* java/class.c (make_field_value): Properly handle sizes.
(get_dispatch_vector): Use tree_low_cst and host_integerp.
(layout_class_method): Count using trees.
* java/decl.c (push_promoted_type): Set TYPE_{MIN,MAX}_VALUE with
copy_node.
* java/expr.c (java_array_data_offset): Use int_bit_position.
(build_newarray, build_anewarray): Use host_integerp and tree_low_cst.
(build_invokevirtual): Use tree_low_cst and do computations with trees.
From-SVN: r32607
* tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
(struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
(attribute_hash_list, type_hash_canon): hashcode is now unsigned.
(type_hash_lookup, type_hash_add, type_hash_list): Likewise.
(min_precision): Result is unsignd.
(add_double, neg_double, mul_double): Low word is unsigned.
(lshift_double, rshift_double, lrotate_double): Likewise.
(rrotate_double, div_and_round_double): Likewise.
(tree_floor_log2, compare_tree_int): New functions.
(preserve_rtl_expr_temps): New declaration.
* c-common.c (declare_hidden_char_array): Use compare_tree_int.
(decl_attributes): Use tree_log2 to find alignment.
Check for TREE_INT_CST_HIGH for format args.
(min_precision): Now unsigned.
Use tree_floor_log2.
(truthvalue_conversion): Delete long-disabled code.
* c-decl.c (finish_struct): Clean up tests on field width.
(finish_function): Use compare_tree_int.
* c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
* c-typeck.c (comptypes): Use tree_int_cst_equal.
(default_conversion, digest_init): Use compare_tree_int.
(build_binary_op): Use integer_all_onesp and compare_tree_int.
Fix type errors in forming masks.
* calls.c (initialize_argument_information): Use compare_tree_int.
* dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
* except.c (expand_eh_region_start_tree): Use compare_tree_int.
* expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
(store_field): Use compare_tree_int.
(expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
(expand_expr, case ARRAY_REF): Use compare_tree_int.
(do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
(do_store_flag): Use compare_tree_int.
* fold-const.c (encode, decode): Low part is always unsigned.
(force_fit_type, add_double, neg_double, mul_double): Likewise.
(lshift_double, rshift_double, lrotate_double): Likewise.
(rrotate_double, div_and_round_double, int_const_binop): Likewise.
(fold_convert): Use compare_tree_int.
(operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
(invert_truthvalue, case INTEGER_CST): Likewise.
(fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
* mkdeps.c (deps_dummy_targets): Make I unsigned.
* rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
(lshift_double, rshift_double, lrotate_double, rrotate_double):
Likewise.
* stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
(expand_end_case): Use compare_tree_int.
(estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
* stor-layout.c (mode_for_size_tree): Use compare_tree_int.
(layout_decl): Likewise.
(layout_record, layout_union): Make sizes unsigned.
(layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
(layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
* tree.c (struct type_hash): hashcode is unsigned.
(build_type_attribute_variant, type_hash_list): Likewise.
(type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
(attribute_hash_list, build_array_type, build_method_type): Likewise.
(build_complex_type): Likewise.
(real_value_from_int_cst): Remove unneeded casts.
(integer_all_onesp): Add casts.
(tree_floor_log2, compare_tree_int): New functions.
(build_index_type): Use tree_int_cst_sgn.
* varasm.c (assemble_variable): Use compare_tree_int.
* ch/actions.c (chill_convert_for_assignment): INDEX is unsigned
HOST_WIDE_INT.
* ch/ch-tree.h (DECL_NESTING_LEVEL): Use TREE_INT_CST_HIGH
since unsigned.
* ch/except.c (chill_handle_on_labels): ALTERNATIVE is unsigned.
Use compare_tree_int.
(expand_goto_except_cleanup): Likewise.
* cp/class.c (dfs_modify_vtables): I is now unsigned.
(check_bitfield_decl): Use tree_int_cst_sgn and compare_tree_int.
(build_base_field): Add casts of TREE_INT_CST_LOW to HOST_WIDE_INT.
* cp/error.c (dump_expr): Cast TREE_INT_CST_HIGH to unsigned.
* cp/init.c (build_vec_init): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
* cp/method.c (build_overload_int): Cast TREE_INT_CST_HIGH to unsigned.
* cp/typeck.c (build_binary_op, case TRUNC_DIV_EXPR):
Call integer_all_onesp.
* cp/typeck2.c (process_init_constructor): Use compare_tree_int.
* f/com.c (ffecom_f2c_set_lio_code_): Use compare_tree_int.
(ffecom_sym_transform_, ffecom_transform_common_): Likewise.
(ffecom_transform_equiv_): Likewise.
* java/decl.c (emit_init_test_initialization): Mark KEY as unused.
* java/expr.c (build_newarray): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
(build_anewarray): Likewise.
* java/parse.y (patch_newarray): Likewise.
* java/parse.c: Regenerated.
From-SVN: r32383
* cpphash.c (collect_expansion): Also catch ## at start of macro.
* varasm.c (make_decl_rtl): Don't add a number to members of
local classes.
(make_function_rtl): Likewise.
From-SVN: r32378
* dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
(dwarf2out_decl): Functions can now have DECL_IGNORED_P.
(gen_decl_die): Likewise.
* dwarfout.c (dwarfout_file_scope_decl): Likewise.
(output_decl): Likewise.
* varasm.c (make_function_rtl): If we change the name used in the
rtl, update DECL_ASSEMBLER_NAME accordingly.
(make_decl_rtl): Likewise.
* toplev.c (rest_of_compilation): Tweak formatting.
* toplev.c (rest_of_compilation): find_loop_tree_blocks before
remove_unnecessary_notes.
(debug_ignore_block): New fn.
* toplev.h: Declare it.
* emit-rtl.c (remove_unncessary_notes): Call it.
* dwarf2out.c (dwarf2out_ignore_block): New fn.
* dwarf2out.h: Declare it.
* final.c (final_start_function): Don't call remove_unnecessary_notes
if we did insn scheduling.
From-SVN: r32320
* 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
* bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
* cppinit.c (new_pending_define): Add cast to avoid warning.
* expmed.c (extract_bit_field): Likewise.
* flow.c (enum reorder_skip_type): New type.
(skip_insns_between_blcok): New it.
Rework to avoid warning about possibly undefined variable.
* function.c (assign_parms): Make thisparm_boundary unsigned.
* genrecog.c (write_switch): Cast XWINT result to int.
* lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
* mips-tfile.c (init_file): Make two versions of FDR intializer:
one for MIPS and one for Alpha.
(get_tag, copy_object): Add casts to avoid warnings.
* optabs.c (init_one_libfunc): Cast NAME to (char *).
* reload.c (find_reloads): Make TYPE enum reload_type.
* sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
* unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
* varasm.c (compare_constant_1): Add cast to avoid warning.
* config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
to (char *).
(alpha_expand_unaligned_load, alpha_expand_unaligned_store):
Cast switch operand of size to int.
(alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
* config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
in unhandled case.
From-SVN: r32060
1999-11-22 Andrew Haley <aph@cygnus.com>
* varasm.c (function_defined): Remove.
(make_function_rtl): Don't set function_defined.
(make_decl_rtl): Remove global register warning.
* regclass.c (no_global_reg_vars): New variable.
(globalize_reg): Warn if function has already been defined.
(regclass_init): Set no_global_reg_vars.
From-SVN: r30611
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
* emit-rtl.c (free_emit_status): Take decl as a parameter.
(init_emit_once): Add more GC roots.
* except.c (mark_func_eh_entry): New function.
(mark_eh_node): Mark false_label and rethrow_label.
(init_eh): Add more GC roots.
* function.c (free_after_compilation): Take decl as a paramter.
Call free_stmt_status.
(mark_function_state): Don't assume x_parm_reg_stack_loc is
non-NULL.
* function.h (free_after_compilation): Change prototype.
(free_varasm_status): Likewise.
(free_emit_status): Likewise.
(free_stmt_status): New function.
* ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
Remove, replacing with ...
(ggc_status): New structure.
(ggc_chain): New variable.
(init_gcc): Define.
(ggc_push_context): New function.
(ggc_pop_context): Likewise.
(ggc_alloc_rtx): Adjust for use of ggc_chain.
(ggc_alloc_rtvec): Likewise.
(ggc_alloc_tree): Likewise.
(ggc_alloc_string): Likewise.
(ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
(ggc_mark_tree): Give language-dependent code a chance to mark
`x' nodes.
(ggc_mark_tree_varray): Handle empty arrays.
(ggc_collect): Adjust for use of ggc_chain. Clear
bytes_alloced_since_last_gc.
* ggc.h (ggc_pop_context): New function.
(ggc_push_context): Likewise.
* print-tree.c (print_node): Don't print obstacks when GC'ing.
* stmt.c (free_stmt_status): New function.
(init_stmt_for_function): Clear last_expr_value.
* toplev.c (rest_of_compilation): Always call free_after_compilation.
Conditionalize call to ggc_collect.
(main): Call init_ggc.
* tree.c (push_obstacks): Do the push, even when GC'ing.
(push_obstacks_nochange): Likewise.
(pop_obstacks): Liekwise.
* varasm.c (free_varasm_status): Take decl as a parameter.
From-SVN: r29170
* 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
* flags.h: New variables align_loops, align_loops_log,
align_jumps, align_jumps_log, align_labels, align_labels_log,
align_functions, align_functions_log.
* toplev.c: Define them.
(f_options): Handle -falign-* when they have no argument.
(main): Add logic to set variables for -falign-functions,
-falign-jumps, -falign-labels, -falign-loops.
Make it -fsched-verbose=<n> and -finline-limit=<n>.
(display_help): Change help to match options.
* final.c (LABEL_ALIGN): Default to align_labels_log.
(LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
(LOOP_ALIGN): Default to align_loops_log.
(LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
(LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
(LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
* varasm.c (assemble_start_function): Handle align_functions.
* config/sparc/sparc.h: Don't declare sparc_align_*.
Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
(DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
sparc.c.
(FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
it's a promise.
* config/sparc/sparc.c: Delete sparc_align_loops,
sparc_align_jumps, sparc_align_funcs and the corresponding string
variables.
(sparc_override_options): Default align_functions on ultrasparc.
Delete -malign-* handling.
* config/mips/mips.c (override_options): On 64-bit targets,
try to align code to 64-bit boundaries.
(print_operand): New substitution, %~,
which aligns labels to align_labels_log.
* config/mips/mips.md (div_trap_normal): Use %~.
(div_trap_mips16): Likewise.
(abssi): Likewise.
(absdi2): Likewise.
(ffssi2): Likewise.
(ffsdi2): Likewise.
(ashldi3_internal): Likewise.
(ashrdi3_internal): Likewise.
(lshrdi3_internal): Likewise.
(casesi_internal): Likewise.
Plus corresponding documentation changes.
From-SVN: r29045
1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
* rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
bounds- check RTL accesses if --enable-checking.
(RTVEC_ELT): Bounds check if --enable-checking.
(XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
(XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
GET_NUM_ELEM.
(X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
(ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
(NOTE_SOURCE_FILE): Use X0STR.
(NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
MEM_ALIAS_SET): Use X0INT.
(NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
Use X0EXP.
* real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
* rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
(rtl_check_failed_bounds, rtl_check_failed_type1,
rtl_check_failed_type2, rtvec_check_failed_bounds): New
functions.
(fancy_abort): Fix comment.
* cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
(cse_insn): Decrement LABEL_NUSES for jump target before
deleting jump insn.
* emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
* final.c (alter_subreg): Compute regno before changing x to
REG; set REGNO(x) after changing it.
* flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
notes containing CONST_INTs.
(delete_eh_regions): Use NOTE_EH_HANDLER.
* function.c (put_reg_into_stack): Make reg a MEM before
initializing it.
(fixup_var_refs_insns): Save REG_NOTES (insn) in case we
delete insn.
(gen_mem_addressof): Make reg a MEM before initializing it.
* integrate.c (copy_rtx_and_substitute): Copy '0' slots with
X0WINT.
* local-alloc.c (update_equiv_regs): Zap REG_NOTES before
deleting an insn, not after.
(block_alloc): Only look at PATTERN(insn) if we have to, and
only if it's format class 'i'.
* loop.c (check_dbra_loop): Check bl->biv->add_val is a
CONST_INT before using its INTVAL.
* print-rtl.c (print_rtx): Use X0STR.
* regmove.c (fixup_match_1): Don't look at PATTERN of
non-class-'i' insn chain elements.
* reload.c (loc_mentioned_in_p): Take address of
in->fld[1].rtx directly.
* reload1.c (reload): Change reg to a MEM before initializing
it.
* varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
have no names.
* config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
From-SVN: r29008
* calls.c (emit_call_1): Mark parameter `stack_size' with
ATTRIBUTE_UNUSED.
(expand_call): Initialize variable `insn'.
(emit_library_call): Likewise for variable `high_to_save'.
(emit_library_call_value): Likewise.
(store_one_arg): Likewise for variables `lower_bound' and
`upper_bound'.
* combine.c (try_combine): Likewise for variables `i2_code_number'
and `other_code_number'.
(find_split_point): Likewise for variables `pos', `unsignedp' and
`inner'.
(simplify_if_then_else): Likewise for variables `op' and `c1'.
(simplify_and_const_int): Remove unused variable `width'.
(merge_outer_ops): Likewise.
* cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
HOST_WIDE_INT' when comparing against one.
(simplify_relational_operation): Likewise.
(cse_insn): Initialize variables `src_eqv_volatile',
`src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
* final.c (init_final): Constify parameter `filename'.
(final_start_function): Mark parameter `optimize' with
ATTRIBUTE_UNUSED.
(profile_function): Likewise for parameters `first' and `optimize'.
(output_source_line): Likewise for parameter `file'.
* integrate.c (subst_constants): Cast a value to `size_t' when
comparing against one.
(mark_stores): Initialize variable `mode'. Cast a value to
`size_t' when comparing against one.
* integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
* loop.c (move_movables): Initialize variable `first'.
(strength_reduce): Likewise for variable `increment'.
(check_dbra_loop): Likewise for variable `comparison_val'. Cast a
value to `size_t' when comparing against one.
(load_mems): Initialize variable `end_label'.
* output.h (init_final): Constify parameter.
* reload.c (decompose): Initialize variable `base'.
* reload1.c (reload): Likewise for variable `is_scalar'.
(spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
(choose_reload_regs): Initialize variable `mode'.
(emit_reload_insns): Likewise for variable `store_insn'.
(reload_cse_noop_set_p): Mark parameter `insn' with
ATTRIBUTE_UNUSED.
(reload_combine): Initialize variable `set'.
* unroll.c (unroll_loop): Likewise for variable `local_label'.
(copy_loop_body): Cast a value to `size_t' when comparing against
one.
* varasm.c (assemble_variable): Initialize variable `size_tree'.
(const_hash): Add an `else abort()' in an if-else-if-else sequence.
(remove_from_pending_weak_list): Mark parameter `name' with
ATTRIBUTE_UNUSED.
From-SVN: r28860
* config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
(RTX_OK_FOR_OLO10): Likewise.
(GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
%lo(), allow it in addresses...
(PRINT_OPERAND_ADDRESS): ... and print it appropriately.
* config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
does not make sense.
* config/sparc/sparc.c (sparc_hard_reg_printed): New array.
(sparc_output_scratch_registers): New function.
(output_function_prologue, sparc_flat_output_function_prologue): Use
it.
* varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
defined.
* tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
* configure.in: Add check for .register pseudo-op support in as and
check for offsetable %lo().
* acconfig.h: Add templates for the above checks.
* configure: Regenerate.
Richard Henderson <rth@cygnus.com>
* sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
* sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
* sparc/sol2.h (TARGET_DEFAULT): Likewise.
From-SVN: r28414
* varasm.c (assemble_start_function): Remove the function
from the pending weak decls list when we define a function.
(assemble_variable): Similarly for variables.
(weak_finish): Ignore items on the list with a NULL name.
(remove_from_ending_weak_list); New function to "remove" an item
from the pending weak declarations list.
Co-Authored-By: Jeffrey A Law <law@cygnus.com>
From-SVN: r27402
* varasm.c (STRIP_NAME_ENCODING): Remove default definition.
* output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
version did.
From-SVN: r27196
* varasm.c (add_weak): New external function.
(declare_weak): If HANDLE_PRAGMA_WEAK, then add the function to
the list of weak functions.
* c-pragma (add_weak): Declare.
From-SVN: r25454
Mon Feb 9 18:57:45 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
* c-typeck.c (check_init_type_bitfields): Use nonincremental
initialization of unions whose first member is a bitfield.
Remove unnecessary code for checking the declaration mode
after DECL_C_BIT_FIELD.
* varasm.c (output_constructor): Additional comment about the
constructor of bitfield union initialization.
From-SVN: r25093
Thu Jan 21 14:13:31 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
* varasm.c (output_constant_pool): Use floor_log2 instead of
exact_log2 for ASM_OUTPUT_ALIGN.
* stor-layout.c (layout_type): Do machine-dependent extra alignment.
* emit-rtl.c (operand_subword): Handle case when a subword outside
the operand.
* tm.texi (ROUND_TYPE_{SIZE,ALIGN}): More accurate descriptions of
the macros.
From-SVN: r24800
* loop.c (insert_bct): Hide the definition of variables
`increment_direction', `compare_direction', `add_iteration' and
`loop_var_mode'.
* recog.c (mode_dependent_address_p): Mark parameter `addr' with
ATTRIBUTE_UNUSED. Mark label `win' with ATTRIBUTE_UNUSED_LABEL.
(mode_independent_operand): Mark label `lose' with
ATTRIBUTE_UNUSED_LABEL.
* regclass.c (n_occurrences): Remove prototype and definition.
* reload.c (find_reloads_address_1): Mark variable `tem' with
ATTRIBUTE_UNUSED.
* reload1.c (reload): Cast the first two arguments of `bcopy' to PTR.
* sbitmap.c (sbitmap_copy): Likewise.
* scan-decls.c (scan_decls): Hide label `handle_comma'.
* toplev.c (output_lang_identify): Mark prototype with
ATTRIBUTE_UNUSED.
* tree.c (make_node): Cast the first argument of `bzero' to PTR.
(make_tree_vec): Likewise.
(build1): Likewise.
* varasm.c (assemble_static_space): Mark variable `tem' with
ATTRIBUTE_UNUSED.
From-SVN: r24740
* output.h (force_data_section): New prototype.
* varasm.c (force_data_section): New function to force the
data section, regardless of what in_section thinks.
* dwarf2out.c (output_call_frame_info): Call force_data_section
since varasm may not realize we've changes sections.
From-SVN: r24311
* 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
* print-rtl.c (print_rtx): Display the real-value equivalent of
a const_double when easy.
* real.h (REAL_VALUE_TO_TARGET_SINGLE): Use a union to pun types.
Zero memory first for predictability.
(REAL_VALUE_TO_TARGET_DOUBLE): Likewise.
* varasm.c (immed_real_const_1): Notice width of H_W_I == double.
From-SVN: r20972
* 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
* reload1.c (reload_cse_regs): Cast first arg of `bzero' to char *.
* sdbout.c: Include output.h and toplev.h.
(PUT_SDB_INT_VAL): Use HOST_WIDE_INT_PRINT_DEV to print argument
`a'. Cast `a' to HOST_WIDE_INT to force it to always be so.
(PUT_SDB_SIZE): Likewise.
* sdbout.h (sdbout_mark_begin_function): Add prototype.
* stmt.c (check_for_full_enumeration_handling): Cast argument of
`warning' to long and use %ld specifier.
* toplev.c (main): Likewise for `fprintf'.
* toplev.h (output_file_directive): Add prototype.
* unroll.c (unroll_loop): Use HOST_WIDE_INT_PRINT_DEC specifier in
call to `fprintf'.
(precondition_loop_p): Likewise.
* varasm.c Include sdbout.h.
(assemble_static_space): Move sometimes-unused variable `rounded'
into the scope in which it is used.
From-SVN: r20651
* Makefile.in (c-lang.o): Depend on output.h.
* c-lang.c: Include output.h.
* sparc.c (sparc_builtin_saveregs): Remove unused variable `fntype'.
* except.c (expand_builtin_eh_stub): Likewise for variable `jump_to'.
* genrecog.c (write_subroutine): When writing insn-recog.c, mark
variables `insn', `pnum_clobbers', `x[0 .. max_depth]' and `tem'
with ATTRIBUTE_UNUSED.
* regmove.c (copy_src_to_dest): Make function static to match its
prototype.
* reload1.c Include hard-reg-set.h before rtl.h to get macro
HARD_CONST. Include machmode.h before hard-reg-set.h.
* rtl.h: Prototype `retry_global_alloc' and wrap with macro
HARD_CONST to protect usage of typedef HARD_REG_SET.
* tree.c: Prototype `_obstack_allocated_p'.
* varasm.c: Wrap prototype of `asm_output_aligned_bss' in macro
BSS_SECTION_ASM_OP.
From-SVN: r20556
* Makefile.in (varasm.o): Depend on dbxout.h.
(cse.o): Depend on toplev.h and output.h.
(gcse.o): Depend on output.h.
* mips.c: Include system.h and toplev.h and remove redundant code.
Include output.h after tree.h so all its prototypes get activated.
* mips.md (table_jump): Remove unused variable `dest'.
* sparc.h: Add prototype for `v8plus_regcmp_op'.
* crtstuff.c (fini_dummy, init_dummy): Mark function definitions
with __attribute__ ((__unused__)).
(__frame_dummy): Provide prototype before use, wrap it with
EH_FRAME_SECTION_ASM_OP.
* cse.c: Move inclusion of <setjmp.h> above local headers.
Include toplev.h and output.h.
* dbxout.h: Add prototype for `dbxout_begin_function'.
* final.c (final_scan_insn): Wrap variable `max_skip' in macro
ASM_OUTPUT_MAX_SKIP_ALIGN.
* gcse.c: Include system.h and output.h.
(dump_cuid_table, dump_rd_table, dump_cprop_data, dump_pre_data):
Make extern instead of static.
(compute_can_copy): Only declare variables `reg' and `insn' when
AVOID_CCMODE_COPIES is not defined.
(record_set_info): Mark parameter `setter' with ATTRIBUTE_UNUSED.
(hash_scan_clobber): Likewise for `x' and `insn'.
(hash_scan_call): Likewise.
(record_last_set_info): Likewise for `setter'.
(mark_call): Likewise for `pat'.
(pre_insert_insn): Wrap variable `note' in macro HAVE_cc0.
* libgcc2.c (__bb_init_prg): Replace bzero with memset and fix the
length parameter so that it multiplies the number of elements by
the sizeof(element).
* output.h: Add prototype for `weak_finish'.
* recog.h: Likewise for `validate_replace_src'.
* rtl.h: Likewise for `optimize_save_area_alloca',
`fix_sched_param', `purge_addressof', `gcse_main',
`regmove_optimize', `dbr_schedule', `branch_prob' and
`end_branch_prob'.
* toplev.h: Likewise for `set_float_handler' and
`output_quoted_string'.
* varasm.c: Include dbxout.h.
From-SVN: r20351
* varasm.c (make_decl_rtl): Revert April 1 change.
* alpha/alpha.h, alpha/win-nt.h, arm/arm.h, i386/unix.h, i960/i960.h,
m68k/linux.h, pa/pa.h, sparc/sparc.h, vax/vax.h (ASM_OUTPUT_MI_THUNK):
Get function name from the SYMBOL_REF in the DECL_RTL, not from
DECL_ASSEMBLER_NAME.
* i386/winnt.c (gen_stdcall_suffix): Comment for questionable use of
DECL_ASSEMBLER_NAME.
From-SVN: r19723
* varasm.c (assemble_variable): Compute the alignment of the data
earlier so that both initialized and uninitialized variables are
effected by DATA_ALIGNMENT.
* tm.texi (DATA_ALIGNMENT): Updated appropriately.
From-SVN: r19692
* varasm.c (make_decl_rtl): Update the DECL_ASSEMBLER_NAME for a
entity in a local scope.
* fold-const.c (fold): Call truthvalue_conversion for values which
are folded to boolean type.
From-SVN: r18929
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
* c-aux-info.c: Include string.h/strings.h.
* pa.c: Include stdlib.h.
(pa_combine_instructions): Prototype the function.
(pa_can_combine_p, forward_branch_p, shadd_constant_p): Likewise.
(reloc_needed): Add default case for enumeration switch.
(remove_useless_addtr_insns): Remove unused variable `all'.
(hppa_expand_prologue): Add explicit braces to avoid
ambiguous `else'.
(output_function_epilogue): Remove unused variable `i'.
(output_millicode_call): Remove unused variable `link'.
(shadd_constant_p, forward_branch_p): Make the function static.
(following_call): Explicitly declare to return int.
(pa_reorg): Declare as void.
(pa_combine_instructions): Declare as static void. Add
parentheses around && within ||.
* pa.h: Add prototypes for pa_reorg, symbolic_operand,
following_call, function_label_operand, lhs_lshift_cint_operand
and zdepi_cint_p.
* pa.md: Add parentheses around && within ||.
* cppalloc.c: Include stdlib.h.
* cpperror.c (cpp_print_containing_files): Remove unused variable
`i'. Fix format specifier in fprintf.
* cse.c (cse_around_loop): Add explicit braces to avoid
ambiguous `else'.
(delete_dead_from_cse): Wrap variable `tem' in macro HAVE_cc0.
* expr.c (expand_expr): Add parentheses around && within ||.
* final.c (app_enable): Replace fprintf with fputs where there are
no format specifiers and no trailing argument after the string.
Eg, when printing ASM_APP_ON/ASM_APP_OFF.
(app_disable): Likewise.
(final_end_function): Likewise.
(final_scan_insn): Likewise. Remove unused variable `set'.
(profile_function): Wrap empty if-statement body in {} brackets.
* function.c: Include stdlib.h.
(pad_below): Wrap prototype and definition in ARGS_GROW_DOWNWARD.
(reposition_prologue_and_epilogue_notes): Add parentheses
around assignment used as truth value.
* integrate.c (expand_inline_function): Wrap variable
`cc0_insn' in macro HAVE_cc0.
* jump.c (jump_optimize): Wrap variable `q' in macro
HAVE_cc0. Remove unused variable `prev1'.
* libgcc2.c (__bb_exit_trace_func): Add parentheses around &&
within ||. Fix format specifier in fprintf.
(__bb_init_prg): Add parentheses around assignment used as
truth value.
* local-alloc.c: Include stdlib.h.
(requires_inout): Add parentheses around assignment used
as truth value.
* loop.c (analyze_loop_iterations): Wrap prototype and definition
in macro HAVE_decrement_and_branch_on_count.
(insert_bct, instrument_loop_bct): Likewise.
(move_movables): Add parentheses around assignment used as
truth value.
(consec_sets_invariant_p): Likewise.
(maybe_eliminate_biv_1): Wrap variable `new' in macro HAVE_cc0.
* objc/objc-act.c: Include stdlib.h.
(lookup_method_in_protocol_list): Wrap empty else-statement body
in braces.
(lookup_protocol_in_reflist): Likewise.
(objc_add_static_instance): Remove unused variables `decl_expr'
and `decl_spec'.
(get_objc_string_decl): Remove unused variable `decl'.
(generate_static_references): Remove unused variables `idecl' and
`instance'.
(check_protocols): Wrap empty else-statement body in braces.
* protoize.c: Include stdlib.h.
(substr): Add parentheses around assignment used as truth value.
(abspath): Likewise.
(shortpath): Likewise.
* regmove.c (fixup_match_1): Add parentheses around assignment
used as truth value.
* reload.c (push_secondary_reload): Remove unused variable `i'.
(find_reloads): Add parentheses around assignment used as truth
value.
* reload1.c: Include stdlib.h.
* rtl.h: Correct typo in prototype of offsettable_memref_p.
* stmt.c (add_case_node): Add parentheses around assignment used
as truth value.
(case_tree2list): Likewise.
* tree.c (valid_machine_attribute): Wrap variable `decl_attr_list'
in macro VALID_MACHINE_DECL_ATTRIBUTE. Wrap variable
`type_attr_list' in macro VALID_MACHINE_TYPE_ATTRIBUTE.
(merge_attributes): Add explicit braces to avoid ambiguous
`else'.
* unroll.c (copy_loop_body): Wrap variable `cc0_insn' in
macro HAVE_cc0.
* varasm.c: Include stdlib.h.
From-SVN: r18290
* varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
necessary.
(const_hash): Hash val is unsigned long.
(SYMHASH): Likewise.
* tree.c (TYPE_HASH): Type of hash val is unsigned long.
* print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
char pointer, not HOST_WIDE_INT.
(print_node): Likewise. Also hash is unsigned long not
HOST_WIDE_INT.
* cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
From-SVN: r17403
* real.h (REAL_VALUES_IDENTICAL): New macro.
* expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
* fold-const.c (operand_equal_p): Don't consider -0.0 to be
identical to 0.0.
* tree.c (simple_cst_equal): Don't consider -0.0 to have the
same tree structure as 0.0.
* varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
macro instead of doing it by hand.
From-SVN: r16472
(output_constant_pool): Only mark constant pool if -O.
Check mark flag unconditionally.
(mark_constant_pool): Start by clearing all mark flags.
From-SVN: r13564
