Bob Manson <manson@charmed.cygnus.com>
* resource.c, resource.h: New files.
* haifa-sched.c (regno_use_in): Moved to rtlanal.c.
(split_block_insns): Moved to recog.c.
(update_flow_info): Make public.
* reorg.c: Moved the functions dealing with computing resource
usage to resource.c.
* sched.c (regno_use_in): Moved to rtlanal.c.
(update_flow_info): Make public.
(schedule_insns): Use split_block_insns.
* recog.c (split_block_insns): New function.
From-SVN: r24982
* recog.c (check_asm_operands): Treat indeterminate operand ok
results as success. Try harder to resolve a matching constraint.
* stmt.c (expand_asm_operands): Recognize when an output operand's
constraint does not allow memory. Treat indeterminate operand ok
results as failure. Try harder to resolve a matching constraint.
From-SVN: r24959
* 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
* expr.c (queued_subexp_p): Make public.
* expr.h (queued_subexp_p): Declare it.
* recog.c (asm_operand_ok): New function.
(check_asm_operands): Use it. After reload, use constrain_operands
instead.
* recog.h (asm_operand_ok): Declare it.
* stmt.c (expand_asm_operands): Use it to try harder to make
asms initially satisfy their constraints.
From-SVN: r24686
* alias.c (record_alias_subset): Remove ignored `&'.
(init_alias_once): Likewise.
* c-lex.c (UNGETC): Cast first argument of comma expression to void.
* config/mips/mips.c (mips_asm_file_end): Cast the result of
fwrite to `int' when comparing against one.
* config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
(INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
* cse.c (rehash_using_reg): Change type of variable `i' to
unsigned int.
* dwarf2out.c (initial_return_save): Cast -1 to unsigned before
assigning it to one.
* except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
* final.c (final_scan_insn): Likewise for variable `i'.
(output_asm_insn): Cast a char to unsigned char when used as an
array index.
* gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
assigning it to one.
* loop.c (strength_reduce): Remove unused variables `count' and `temp'.
* recog.c (preprocess_constraints): Cast a char to unsigned char
when used as an array index.
* regmove.c (find_matches): Likewise.
* reload1.c (calculate_needs): Add default case in switch.
(eliminate_regs_in_insn): Initialize variable `offset'.
(set_offsets_for_label): Change type of variable `i' to unsigned.
(reload_as_needed): Wrap variable `i' in macro check on
AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
* scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
when comparing against one.
* stor-layout.c (layout_decl): Cast maximum_field_alignment to
unsigned when comparing against one. Likewise for
GET_MODE_ALIGNMENT().
(layout_record): Cast record_align to int when comparing against a
signed value.
(layout_type): Cast TYPE_ALIGN() to int when comparing against a
signed value.
* tree.c (get_identifier): Cast variable `len' to unsigned when
comparing against one.
(maybe_get_identifier): Likewise
From-SVN: r24403
* final.c (cleanup_subreg_operands): Delete some unused code.
* recog.h (MAX_RECOG_ALTERNATIVES): New macro.
(struct insn_alternative): New structure definition.
(recog_op_alt): Declare variable.
(preprocess_constraints): Declare function.
* recog.c (recog_op_alt): New variable.
(extract_insn): Verify number of alternatives is in range.
(preprocess_constraints): New function.
* reg-stack.c: Include recog.h.
(constrain_asm_operands): Delete.
(get_asm_operand_lengths): Delete.
(get_asm_operand_n_inputs): New function.
(record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
N_OUTPUTS args. All callers changed.
Compute number of inputs and outputs here by calling
get_asm_operand_n_inputs.
Instead of constrain_asm_operands, call extract_insn,
constrain_operands and preprocess_constaints. Use information
computed by these functions throughout.
(record_reg_life): Delete code that is unused due to changes in
record_asm_reg_life.
(subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
N_INPUTS and N_OUTPUTS args. All callers changed.
Similar changes as in record_asm_reg_life.
(subst_stack_regs): Move n_operands declaration into the if statement
where it's used.
Delete code that is unused due to changes in subst_asm_stack_regs.
* stmt.c (expand_asm_operands): Verify number of alternatives is in
range.
* Makefile.in (reg-stack.o): Depend on recog.h.
From-SVN: r24090
* recog.h (enum op_type): Define.
(constrain_operands): Adjust prototype.
(recog_op_type): Declare new variable.
* recog.c (recog_op_type): New variable.
(insn_invalid_p): Allow modifying an asm statement after reload.
(extract_insn): Set up recog_op_type.
(constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
Don't compute operand types, use recog_op_type.
Use the information computed by extract_insn instead of the previous
method of finding it by insn code number.
* caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
* reorg.c (fill_slots_from_thread): Likewise.
* reload1.c (reload_as_needed): Likewise.
(gen_reload): Likewise.
(inc_for_reload): Likewise.
(reload_cse_simplify_operands): Likewise.
Use the information computed by extract_insn instead of the previous
method of finding it by insn code number.
* genattrtab.c (write_attr_case): Generate call to extract_insn, not
insn_extract.
* final.c (final_scan_insn): Use extract_insn, not insn_extract.
(cleanup_operand_subregs): Use extract_insn, not insn_extract.
Use the information computed by extract_insn instead of the previous
method of finding it by insn code number.
* regmove.c (find_matches): Likewise. Change meaning of the return
value to be nonzero if the optimization can be performed, zero if
not. All callers changed.
Shorten some variable names to fix formatting problems.
(regmove_optimize): Shorten some variable names to fix formatting
problems.
Use the information computed by extract_insn instead of the previous
method of finding it by insn code number.
* regclass.c (scan_one_insn): Likewise.
(record_reg_classes): Don't compute operand types, use recog_op_type.
* reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
recog_constraints instead.
From-SVN: r23529
* Makefile.in (recog.o): Depend on toplev.h.
(insn-emit.o): Depend on recog.h.
(insn-peep.o): Depend on recog.h and insn-config.h.
* combine.c (simplify_set): Remove unused variable `scratches'.
* final.c (final_scan_insn): Wrap declaration of variables `vlen'
and `idx' in macro conditional controlling their use.
* genemit.c (main): Make the generated output file include
recog.h. Don't have it declare `insn_operand_constraint', since
we get it from recog.h.
* genpeep.c (main): Make the generated output file include
insn-config.h and recog.h.
* recog.c: Include toplev.h.
(extract_insn): Remove unused variable `p'.
* regclass.c (fix_register): Add missing braces around initializer
for `what_option'.
(allocate_reg_info): Move variable `i' into the scope where it is
used. Change its type to `size_t'.
From-SVN: r23307
* regclass.c (regclass): Break out some code into new function
scan_one_insn, and into regclass_init.
(init_cost): New static variable, moved out of regclass.
(regclass_init): Initialize it here, not in .
(scan_one_insn): New static function, broken out of regclass.
* recog.c (apply_change_group): Break out some code into new
function insn_invalid_p.
(insn_invalid_p): New static fn, broken out of apply_change_group.
From-SVN: r23236
* Makefile.in (insn-extract.o): Fix dependencies.
* genextract.c (main): Generate includes for insn-config.h and
recog.h.
Delete generation of declarations which are now in recog.h.
* genrecog.c (main): Delete generation of definitions which are
now in recog.c.
* local-alloc.c (block_alloc): Use extract_insn and the variables
it sets up instead of looking up values by insn_code.
* recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
recog_dup_num): Define here instead of generating the definition in
genrecog.c.
(recog_n_operands, recog_n_dups, recog_n_alternatives,
recog_operand_mode, recog_constraints, recog_operand_address_p):
New variables.
(extract_insn): New function.
* recog.h (extract_insn): Declare function.
(which_alternative, recog_n_operands, recog_n_dups,
recog_n_alternatives, recog_operand_mode, recog_constraints,
recog_operand_address_p): Declare variables.
* regclass.c (n_occurrences): New static function.
* reload.c (n_occurrences): Delete function.
(find_reloads): Use extract_insn.
* reload.h (n_occurrences): Delete declaration.
From-SVN: r23147
* 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
* combine.c (make_extraction): If no mode is specified for
an operand of insv, extv, or extzv, default it to word_mode.
(simplify_comparison): Similarly.
* expmed.c (store_bit_field): Similarly.
(extract_bit_field): Similarly.
* function.c (fixup_var_regs_1): Similarly.
* recog.c (validate_replace_rtx_1): Similarly.
* mips.md (extv, extzv, insv expanders): Default modes for most
operands. Handle TARGET_64BIT.
(movdi_uld, movdi_usd): New patterns.
From-SVN: r22439
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* recog.c (validate_replace_rtx_group): New function.
* recog.h (validate_replace_rtx_group): Declare it.
* regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
the entire group of substitutions.
From-SVN: r21909
* rtl.h (rtx_function): New type.
(for_each_rtx): New function.
* rtlanal.c (for_each_rtx): Define it.
* recog.c (change_t): New type.
(change_objects, change_old_codes, change_locs, change_olds):
Replace with ...
(changes): New variable.
(validate_change): Dynamically allocate room for more changes, if
necessary. Uses changes array instead of change_objects, etc.
(apply_change_group): Use changes array instead of
change_objects, etc.
* loop.c (loop_mem_info): New type.
(loop_mems): New variable.
(loop_mems_idx): Likewise.
(looop_mems_allocated): Likewise.
(scan_loop): Remove nregs parameter.
(next_insn_in_loop): New function.
(load_mems_and_recount_loop_regs_set): Likewise.
(load_mems): Likewise.
(insert_loop_mem): Likewise.
(replace_loop_mem): Likewise.
(replace_label): Likewise.
(INSN_IN_RANGE_P): New macro.
(loop_optimize): Don't pass max_reg_num() to scan_loop.
(scan_loop): Remove nregs parameter, compute it after any new
registers are created by load_mems. Use INSN_IN_RANGE_P and
next_insn_in_loop rather than expanding them inline. Call
load_mems to load memory into pseudos, if appropriate.
(prescan_loop): Figure out whether or not there are jumps from the
loop to targets other than the label immediately following the
loop. Call insert_loop_mem to notice all the MEMs used in the
loop, if it could be safe to pull MEMs into REGs for the duration
of the loop.
(strength_reduce): Use next_insn_in_loop. Tweak comments.
From-SVN: r21845
* Makefile.in (OBJS): Add gcse.o
(STAGESTUFF): Add *.gcse.
(gcse.o): Add dependencies.
(mostlyclean): Remove *.gcse and */*.gcse.
* gcse.c: New file.
* loop.c (loop_optimize): Move call to init_alias_analysis.
* recog.c (validate_replace_src): New function.
* toplev.c (gcse_dump): New global variable.
(flag_gcse, gcse_time): Likewise.
(compile_file): Initialize gcse_time and clean out the gcse dump
file if necessary.
(rest_of_compilation): Call gcse_main as requested. Dump RTL
after gcse if requested.
(main): Enable gcse for -O2 and above. Handle -dG. Enable gcse
dumps for -da.
* gcc.texi: Add gcse related internal documentation.
* invoke.texi: Note new command line options for gcse.
* tm.texi: Document AVOID_CCMODE_COPIES.
* mips.h (AVOID_CCMODE_COPIES): Define.
Co-Authored-By: Jeffrey A Law <law@cygnus.com>
From-SVN: r19901
