* rtlanal.c (multiple_sets): New function.
* rtl.h (multiple_sets): Declare it.
* local-alloc.c (wipe_dead_reg): Use it.
* global.c (global_conflicts): Likewise.
Should fix the m68k bootstrap problems.
From-SVN: r24283
* Makefile.in (sched.o): Depend on recog.h.
* alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
(unsigned) when comparing against one.
(find_base_value): Likewise.
(record_base_value): Cast variable `regno' to (unsigned) when
comparing against one. Cast the result of REGNO() macro to
(unsigned) when comparing against one.
(memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
unsigned.
(init_alias_analysis): Add unsigned variable `ui'. Use it as loop
variable where an unsigned index is needed.
* caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
before comparing against one.
* collect2.c: Add prototypes for functions `error', `fatal' and
`fatal_perror'. Make these functions take variable arguments
instead of faking it with a fixed number of args.
(write_c_file_stat): Cast the argument of ctype macro to (unsigned
char).
* combine.c (can_combine_p): Mark parameter `pred' with
ATTRIBUTE_UNUSED.
(find_split_point): Cast variable `src' to (unsigned
HOST_WIDE_INT) when comparing against one.
HOST_WIDE_INT) when comparing against one.
(simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
(simplify_logical): Likewise.
(force_to_mode): Cast result of INTVAL() macro to (unsigned
HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
HOST_WIDE_INT) in shift.
(simplify_and_const_int): Cast result of INTVAL() macro to
`unsigned HOST_WIDE_INT' when comparing against one.
(merge_outer_ops): Cast variable const0 to `unsigned
HOST_WIDE_INT' when comparing against the result of
GET_MODE_MASK() macro.
(simplify_comparison): Likewise for variable `c0'. Cast variable
`const_op' to `unsigned HOST_WIDE_INT' when comparing against
one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
comparing against one.
(distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
macro to `unsigned HOST_WIDE_INT' when comparing against one.
(output_block_move): Cast `sizeof' expression to (int) when
comparing against one.
(function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
against one.
(save_restore_insns): Cast `base_offset' to `long' to match format
specifier in fprintf.
* config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
to `enum machine_mode'.
* flow.c (life_analysis_1): Remove unused variable `insn'.
* gcc.c (translate_options): Move variables `j' and `k' into the
scope in which they are used. Change their types to `size_t'.
(set_spec): Cast the argument of ctype macro to `unsigned char'.
(read_specs): Likewise.
(process_command): Cast `sizeof' to (int) when comparing against one.
(do_spec_1): Cast the argument of ctype macro to `unsigned char'.
(handle_braces): Cast both sides of `==' expression to `long' to
ensure sign matching.
(main): Cast variable `i' to `int' when comparing against one.
* gcov-io.h (__fetch_long): Change type of parameter `bytes' from
int to size_t. Cast variable `i' to size_t when comparing against
one.
* genattrtab.c (convert_set_attr_alternative): Remove unused
parameter `insn_code'. All callers changed.
(convert_set_attr): Likewise.
* genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
size_t when comparing against one. Likewise for variable `len'.
* global.c (global_alloc): Cast variable `max_regno' to size_t
when comparing against one. Likewise for variable `max_allocno'.
* jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
* local-alloc.c (validate_equiv_mem_from_store): Mark parameter
`set' with ATTRIBUTE_UNUSED.
(find_free_reg): Cast `sizeof' expression to (int) when comparing
against one.
* loop.c (count_loop_regs_set): Remove unused variable `dest'.
(strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
(get_condition): Cast variable `const_val' to `unsigned
HOST_WIDE_INT' when comparing against one. Cast unsigned
expression to HOST_WIDE_INT when comparing against one.
(insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
(load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
`unsigned' when comparing against one.
* protoize.c (is_id_char): Change type of parameter `ch' to
unsigned char.
(munge_compile_params): Cast argument of ctype macro to (const
unsigned char).
(process_aux_info_file): Cast variable `aux_info_size' to int when
comparing against one.
(forward_to_next_token_char): Cast argument of ctype macro to
`const unsigned char'.
(edit_formals_lists): Likewise.
(find_rightmost_formals_list): Likewise.
(add_local_decl): Likewise.
(add_global_decls): Likewise.
(edit_fn_definition): Likewise.
(do_cleaning): Likewise.
(scan_for_missed_items): Likewise.
(edit_file): Cast variable `orig_size' to (int) when comparing
against one.
(main): Cast argument of ctype macro to `const unsigned char'.
* recog.c (const_int_operand): Mark parameter `mode' with
ATTRIBUTE_UNUSED.
* regclass.c (record_reg_classes): Change type of variable `c' to
`unsigned char'. Cast `char' array index to `unsigned char'.
* reload.c (push_secondary_reload): Cast argument to
REG_CLASS_FROM_LETTER() macro to `unsigned char'.
* reload1.c (calculate_needs): Cast `char' array index to
`unsigned char'.
(set_label_offsets): Change type of variable `i' to unsigned int.
Cast result of XVECLEN() macro to unsigned when comparing against
one.
(mark_not_eliminable): Change type of variable `i' to unsigned.
(order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
when comparing against one.
(reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
comparing against one.
(choose_reload_regs): Hide unused label `fail'.
(reload_cse_simplify_operands): Cast `char' array index to
`unsigned char'.
(reload_combine_note_store): Mark parameter `set' with
ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
against one.
(reload_cse_move2add): Remove unused variable `src2'.
* sched.c: Include recog.h.
(sched_note_set): Remove unused parameter `b'. All callers
changed.
(split_hard_reg_notes): Likewise for parameter `orig_insn'.
(blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
when comparing against one.
* stupid.c (stupid_find_reg): Mark parameter `changes_size' with
ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
comparing against one.
* unroll.c (precondition_loop_p): Remove unused parameter
`loop_end'. All callers changed.
From-SVN: r23079
* loop.c (count_one_set): New static function, broken out of
count_loop_regs_set
(count_loop_regs_set): Call it.
* global.c (mark_reg_store): Handle clobbers here by not calling
set_preference.
(mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
is in fact a clobber.
* integrate.c (process_reg_param): New function, broken out of
expand_inline_function.
(expand_inline_function): Call it.
From-SVN: r22875
* Makefile.in (stupid.o): Update dependencies.
(global.o): Likewise.
* global.c: Include reload.h
(reg_becomes_live): New function.
(reg_dies): New function.
(build_insn_chain): New function.
(global_alloc): Call build_insn_chain before calling reload.
* reload.h (struct needs): New structure definition.
(struct insn_chain): Likewise.
(reload_insn_chain): Declare variable.
(new_insn_chain): Declare function.
* reload1.c (reload_startobj): New variable.
(reload_insn_chain): New variable.
(unused_insn_chains): New variable.
(new_insn_chain): New function.
(init_reload): Initialize reload_startobj, not reload_firstobj.
(reload): Initialize reload_firstobj.
Before returning, free everything on the reload_obstack.
* stupid.c: Include insn-config.h, reload.h and basic-block.h.
(reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
current_chain): New variables.
(reg_where_born): Delete variable.
(REG_WHERE_BORN): New macro.
(find_clobbered_regs): New function.
(stupid_life_analysis): Don't allocate/free reg_where_born.
Allocate and free reg_where_born_exact, reg_where_born_clobber,
reg_where_dead_chain.
Use REG_WHERE_BORN instead of reg_where_born.
While processing the insns, build the reload_insn_chain with
information about register lifetimes.
(stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
(stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
changed.
Compute and information about birth and death of pseudo registers in
reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
Delete code to set elements of reg_where_born.
From-SVN: r22862
* global.c (reg_allocno): Now static.
* reload1.c (reg_allocno): Delete declaration.
(order_regs_for_reload): Take no arguments. Don't treat regs
allocated by global differently than those allocated by local-alloc.
From-SVN: r22446
* global.c: Update comments.
(global_alloc): Assign allocation-numbers
even for registers allocated by local_alloc in case
they are later spilled and retry_global_alloc is called.
(mark_reg_store, mark_reg_clobber,
mark_reg_conflicts, mark_reg_death): Always record a
conflict with a pseudo register even if it has been
assigned to a hard register.
(dump_conflicts): Don't list pseudo registers already assigned to
a hard register as needing to be allocated, but do list their
conflicts.
* local-alloc.c: Update comment.
From-SVN: r22322
* alias.c: Include toplev.h
* caller-save.c: Include toplev.h
* combine.c: Include toplev.h
* flow.c Include toplev.h
* global.c: Include toplev.h
* jump.c: Include toplev.h
* local-alloc.c: Include toplev.h
* loop.c: Include toplev.h
* regmove.c: Include toplev.h
* stupid.c: Include toplev.h
* unroll.c: Include toplev.h
* Makefile.in: Add toplev.h dependencies.
From-SVN: r20623
* global.c (global_alloc): Don't pass HARD_CONST (0) to find_reg,
just pass zero. That will work regardless of the size of HARD_REG_SET.
From-SVN: r19276
* basic-block.h (basic_block_computed_jump_target): Declare.
* flags.h: (current_function_has_computed_jump): Declare.
* flow.c: (basic_block_computed_jump_target): Define.
(flow_analysis): Allocate it. Set current_function_has_computed_jump
to 0.
(find_basic_blocks): Set current_function_has_computed_jump and
elements of basic_block_computed_jump_target to 1 as appropriate.
* function.c: (current_function_has_computed_jump): Define.
* global.c (global_conflicts): Don't allocate pseudos into stack regs
at the start of a block that is reachable by a computed jump.
* reg-stack.c (stack_reg_life_analysis): If must restart, do so
immediately.
(subst_stack_regs): Undo change from Sep 4 1997.
(uses_reg_or_mem): Now unused, deleted.
* stupid.c (stupid_life_analysis): Compute
current_function_has_computed_jump.
(stupid_find_reg): Don't allocate stack regs if the function has a
computed goto.
* haifa-sched.c (is_cfg_nonregular): Delete code to determine if
the current function has a computed jump. Use the global value
instead.
Co-Authored-By: Jeffrey A Law <law@cygnus.com>
From-SVN: r18860
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
* global.c (global_alloc): Use xmalloc instead of alloca for
CONFLICTS, since max_allocno * allocno_row_words alone can be more
than 2.5Mb sometimes.
From-SVN: r16223
(global_alloc): Make a more accurate attempt to see if the frame pointer will
be used.
If it is, show HARD_FRAME_POINTER_REGNUM used if its not the same as
FRAME_POINTER_REGNUM.
From-SVN: r7604