(define_memory_constraint, define_address_constraint): New MD forms.
* gensupport.c (process_rtx): Put define_constraint etc on the
predicate queue.
* genpreds.c (process_define_predicate): Adjust comment. Validate
the name, and call validate_exp to validate the expression.
(mark_mode_tests, write_extract_subexp): Can assume correct input.
(write_predicate_expr): Likewise. NAME argument no longer necessary;
all callers changed.
(validate_exp, needs_variable, struct constraint_data)
(constraints_by_letter_table, first_constraint, last_constraint_ptr)
(FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
(const_dbl_constraints, constraint_max_namelen)
(have_register_constraints, have_memory_constraints)
(have_address_constraints, have_address_constraints)
(have_extra_constraints, have_const_int_constraints)
(have_const_dbl_constraints, mangle, add_constraint)
(process_define_constraint, process_define_register_constraint)
(write_enum_constraint_num, write_lookup_constraint)
(write_insn_constraint_len, write_regclass_for_constraint)
(write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
(write_insn_extra_memory_constraint)
(write_insn_extra_address_constraint)
(write_satisfies_constraint_fns): New.
(write_tm_preds_h): If we have new-style constraint definitions,
prototype the functions generated from them, and define the
old constraint interface (still used by generic code) in terms of
those functions.
(write_insn_preds_c): If we have new-style constraint definitions,
generate all relevant functions from those definitions.
(main): Handle define_constraint etc.
* genoutput.c (struct constraint_data, indep_constraints)
(mdep_constraint_letters, constraints_by_letter_table, note_constraint)
(mdep_constraint_len): New data structures and functions, defined
#ifdef USE_MD_CONSTRAINTS.
(check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
(validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
use new logic to validate operand constraints against constraint
definitions.
(main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
defined.
* defaults.h: If none of the old-style constraint macros are
defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
old-style macros; and poison REG_CLASS_FROM_LETTER,
CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
EXTRA_CONSTRAINT.
* recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
* doc/md.texi: Document new constraint-definition mechanism and the
C interface it provides. Remove references to old mechanism
elsewhere in the document.
(Machine Constraints): Use pathnames relative to gcc directory,
i.e. config/ARCH/FILE. Change i386 section to refer to
config/i386/predicates.md; update that section to match docstrings.
* doc/tm.texi: Move all documentation of the old constraint-
definition macros to their own section, clearly mark as obsolete.
* config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
(u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
definitions.
* config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
(CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
* config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
constraint strings.
(splits and peepholes): Use satisfies_constraint_*.
* config/i386/i386.c (memory_address_length)
(ix86_attr_length_immediate_default): Use satisfies_constraint_*.
From-SVN: r111508
r110123@banpei: zack | 2006-01-22 14:44:34 -0800
* genconditions.c (condition_table, add_condition): Delete.
(write_conditions): Don't emit n_insn_conditions nor
insn_elision_unavailable. Issue the gcc version #ifdef here,
inside the table, with no #else clause ...
(write_header): ...not here.
(write_writer): New function.
(main): Don't initialize condition_table. Use add_c_test.
Call write_writer.
* gensupport.c (init_md_reader_args_cb): Handle multiple input
files on the command line.
(maybe_eval_c_test): Don't check insn_elision_unavailable.
Return -1 if there is no entry in the table, don't abort.
(add_c_test, traverse_c_tests): New functions.
* gensupport.h (insn_elision_unavailable, insn_conditions)
(n_insn_conditions): Delete declarations.
(add_c_test, traverse_c_tests): Declare.
* read-rtl.c: Include gensupport.h.
(read_conditions): New function.
(read_rtx): If read_rtx_1 returns 0, treat as EOF.
(read_rtx_1): If we get EOF when we were looking for an initial
open paren, return 0. Call read_conditions when appropriate.
* Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
dummy-conditions.o. Eliminate references to insn-conditions.o,
or change them to build/gencondmd.o, as appropriate. Remove
insn-constants.h from $(simple_generated_h) and insn-conditions.c
from $(simple_generated_c). For all files remaining in those
two lists, add insn-conditions.md to the generator command line.
Give insn-constants.h/s-constants their own rules. Add rules
for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
(build/read-rtl.o): Depend on gensupport.h.
(genprognormal): Include preds.
(genprogearly): Rename genprognoprint; only difference is now that
they don't link with $(BUILD_PRINT).
* dummy-conditions.c: Delete.
From-SVN: r110119
* tree-inline.c (copy_body_r): Use explicit cast when
converting
from void *.
(copy_bb): Likewise.
(copy_edges_for_bb): Likewise.
(remap_decl_1): Likewise.
(estimate_num_insns_1): Likewise.
* cgraph.c (hash_node): Use explicit cast when converting from
void *.
(eq_node): Likewise.
(cgraph_create_node): Use GGC_CNEW.
(cgraph_create_edge): Use GGC_NEW.
(cgraph_remove_node): Use explicit cast when converting from
void *.
(hash_varpool_node): Likewise.
(eq_varpool_node): Likewise.
(cgraph_varpool_node): Use GGC_CNEW.
* lambda.h (lambda_vector_new): Use GGC_CNEWVEC.
* tree-scalar-evolution.c (new_scev_info_str): Use XNEW.
(eq_scev_info): Use explicit cast when converting from void *.
(find_var_scev_info): Likewise.
(set_instantiated_value): Likewise.
(gather_stats_on_scev_database_1): Likewise.
* cfgloop.h (simple_loop_desc): Use explicit cast when
converting
from void *.
* c-pch.c (c_common_write_pch): Use XNEWVEC.
(c_common_read_pch): Likewise.
* prefix.c (save_string): Use XNEWVEC.
(translate_name): Use explicit cast when converting from void
*.
* c-ppoutput.c (print_line): Use explicit cast when converting
from void *.
(pp_dir_change): Likewise.
* c-cppbuiltin.c (builtin_define_std): Likewise.
(builtin_define_with_value): Likewise.
(builtin_define_with_value_n): Likewise.
(builtin_define_with_int_value): Likewise.
(builtin_define_type_max): Likewise.
* c-incpath.c (add_env_var_paths): Use XNEWVEC.
(add_path): Use XNEW.
* c-format.c (check_format_info_main): Use GGC_NEW.
(format_type_warning): Use explicit cast when converting from
void *.
* c-typeck.c (alloc_tagged_tu_seen_cache): Use XNEW instead of
xmalloc.
(start_init): Likewise.
* tree-flow-inline.h (first_referenced_var): Use explicit cast
when converting from void *.
(next_referenced_var): Likewise.
* c-pragma.c (push_alignment): Use GGC_NEW instead of
ggc_alloc.
* gensupport.c (lookup_predicate): Use explicit cast to
convert
from void *.
(init_predicate_table): Use XCNEW instead of xcalloc.
* genpreds.c (process_define_predicate): Likewise.
From-SVN: r108723
2005-11-19 Paolo Bonzini <bonzini@gcc.gnu.org>
* gensupport.c (old_preds): Rename to std_preds, add special field.
(struct old_pred_table): Rename to struct std_pred_table, add special
field.
(NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
(NUM_OLD_SPECIAL_MODE_PREDS): Remove.
(init_predicate_table): Adjust, and set along the way whether a
predicate is special.
From-SVN: r107215
(print_c_condition): Declare.
* read-rtl.c (ptr_loc): New structure.
(ptr_locs, ptr_loc_obstack, joined_conditions)
(joined_conditions_obstack): New variables.
(leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
(get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
(join_c_conditions, print_c_condition): New functions.
(apply_macro_to_string): Associate the new string with the same
source location as the old one.
(add_condition_to_string): Use join_c_conditions.
(read_string): Use set_rtx_ptr_loc to record a filename and line
number for the string.
(read_rtx): Initialize the new variables above.
* genattrtab.c (write_test_expr, write_attr_value): Use
print_c_condition.
* genconditions.c (write_header): Don't define MAYBE_EVAL. Move its
comment above the GCC_VERSION check.
(write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
Inline the definition of MAYBE_EVAL.
* genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
* genoutput.c (process_template): Likewise.
* genpreds.c (write_predicate_subfunction): Likewise.
(write_predicate_expr): Use print_c_condition.
* genrecog.c (write_cond): Likewise.
* gensupport.c (process_rtx): Use join_c_conditions to join the
conditions of a define_insn_and_split. Record a source location
for the string after the "&&".
(alter_test_for_insn): Use join_c_conditions.
From-SVN: r95883
* rtl.h (read_rtx): Change prototype.
* read-rtl.c (read_rtx): Provide the caller with both an rtx and a
line number. Return true on success.
* gensupport.c (process_include, init_md_reader_args_cb): Adjust
callers accordingly.
From-SVN: r86657
* genpreds.c: Add capability to generate predicate bodies as
well as function prototypes. Write function prototypes for
the generic predicates too.
(process_define_predicate, write_tm_preds_h, write_insn_preds_c)
(write_predicate_subfunction, mark_mode_tests, add_mode_tests)
(write_match_code, write_predicate_expr, write_one_predicate_function)
(parse_option): New functions.
(output_predicate_decls): Delete.
(main): Read the machine description, process DEFINE_PREDICATE or
DEFINE_SPECIAL_PREDICATE patterns, write tm-preds.h or insn-preds.c
as appropriate.
* genrecog.c (struct decision_test): Replace index with
struct pred_data pointer.
(next_index): Remove, unused.
(pred_table, preds, special_mode_pred_table): Delete.
(compute_predicate_codes, process_define_predicate): New functions.
(validate_pattern, add_to_sequence, write_switch): Update for
new data structures.
(main): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
Check both error_count and have_error.
* gensupport.c (in_fname, first_predicate): New globals.
(define_pred_queue, define_pred_tail): New RTL-pattern queue.
(predicate_table, last_predicate, old_pred_table)
(old_special_pred_table): New statics.
(hash_struct_pred_data, eq_struct_pred_data, lookup_predicate)
(add_predicate, init_predicate_table): New functions.
(process_rtx): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
(init_md_reader_args_cb): Use the global in_fname. No need to zero
it or max_include_len. Call init_predicate_table.
(read_rtx): Run the predicate queue after the attribute queue
but before all the others.
* gensupport.h (in_fname, struct pred_data, first_predicate)
(lookup_predicate, add_predicate, FOR_ALL_PREDICATES): Declare.
* rtl.def (MATCH_CODE, MATCH_TEST, DEFINE_PREDICATE)
(DEFINE_SPECIAL_PREDICATE): New RTL codes.
* dummy-conditions.c: Don't include bconfig.h, system.h,
coretypes.h, tm.h, or system.h. Do include stddef.h.
Duplicate declaration of struct c_test from gensupport.h.
* Makefile.in (OBJS-common): Add insn-preds.o.
(STAGESTUFF, .PRECIOUS): Add insn-preds.c.
(insn-preds.c, insn-preds.o): New rules.
(s-preds): Also generate insn-preds.c.
(dummy-conditions.o, genpreds$(build_exeext), genpreds.o):
Update dependencies.
(print-rtl.o, print-rtl1.o): Correct dependencies.
* recog.h: Delete prototypes of predicate functions.
* doc/md.texi (Predicates): New section with complete
documentation of operand/operator predicates. Remove some
incomplete documentation of predicates from other places.
* doc/tm.texi (Misc): Move SPECIAL_MODE_PREDICATES next to
PREDICATE_CODES; indicate that both are deprecated in favor
of define_predicate/define_special_predicate.
* config/ia64/ia64.c: All predicate function definitions moved
to ia64.md, except
(small_addr_symbolic_operand, tls_symbolic_operand): Delete.
(ia64_expand_load_address, ia64_expand_move):
Check SYMBOL_REF_TLS_MODEL directly, don't use tls_symbolic_operand.
* config/ia64/ia64.md: All predicates now defined here.
(symbolic_operand): Is now a special predicate.
* config/ia64/ia64.h: Declare ia64_section_threshold.
(PREDICATE_CODES): Delete.
From-SVN: r85855
* gensupport.c (init_md_reader_args_cb): Renamed from
init_md_reader_args. Add third option, callback function for
parsing program-specific options. Add diagnosis of incorrect
number of input files.
(init_md_reader): Fold into init_md_reader_args_cb.
(init_md_reader_args): Now a thin wrapper around
init_md_reader_args_cb.
* gensupport.h: Update prototypes.
* genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
* genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
* genrecog.c: No need to diagnose lack of an input file;
init_md_reader_args will handle it.
* genconditions.c: Likewise, and use init_md_reader_args.
* genconstants.c: Likewise, and no need to call read_md_rtx.
From-SVN: r85511
* c-common.c (disable_builtin_function): Rename variable n to
new_disabled_builtin.
* c-decl.c (duplicate_decls): Rename parameter decl to new_decl.
Rename local variable old to old_decl.
* gensupport.c (shift_output_template): Rename parameter old to src.
* simplify-rtx.c (simplify_replace_rtx): Rename parameter oldx to
old_rtx and newx to new_rtx.
From-SVN: r85175
PR target/14040
* genemit.c (gen_split): Change prototype of generated code.
* genrecog.c (write_action): Adjust prototype for and calls to
gen_split_*.
* gensupport.c (struct queue_elem): Add split field.
(queue_pattern): Return a value. Clear the split field.
(process_rtx): Maintain an association between an insn and the
split generated from it for a define_insn_and_split.
(process_one_cond_exec): Generate a new split for a
define_insn_and_split.
* config/arm/arm-protos.h (arm_split_constant): Add insn
parameter.
(emit_constant_insn): New function.
(arm_gen_constant): Use it.
* config/arm/arm.md: Adjust calls to arm_split_constant.
From-SVN: r80335
* dwarfout.c: Remove uses of "register" specifier in
declarations of arguments and local variables.
* gensupport.c: Likewise.
* local-alloc.c: Likewise.
* regclass.c: Likewise.
From-SVN: r74854
* gensupport.c: Include hashtab.h.
(insn_elision, condition_table, hash_c_test, cmp_c_test,
maybe_eval_c_test): New routines and data structures to
support insn elision.
(init_md_reader): Read and initialize the condition_table.
(read_md_rtx): Discard insn patterns whose C test is provably
always false.
* gensupport.h: Declare new functions and data structures.
* genconditions.c, dummy-conditions.c: New files.
* Makefile.in: Build genconditions; run it to construct
insn-conditions.c; build that and link it into most gen*
programs.
(HOST_SUPPORT, HOST_EARLY_SUPPORT): New variables.
(GEN): Delete, unused.
(STAGESTUFF): Update.
* gencodes.c: (gen_insn): #define CODE_FOR_xxx equal to
CODE_FOR_nothing for all elided patterns.
(main): Tweaked to support this.
* genflags.c (gen_proto): Emit a static inline generator
function here for all elided patterns, which simply returns
NULL_RTX.
(gen_insn): Do not define HAVE_xxx for elided patterns.
(main): Tweaked to support this. No need to forward-declare
struct rtx_def.
* genrecog.c: Do not bother emitting the C test if it's known
to be true at compile time.
From-SVN: r55839
* gensupport.c (n_comma_elts): Moved here from genattrtab.c.
(scan_comma_elt): New function. Accepts whitespace in comma lists.
* gensupport.h: Prototype new routines.
* genattr.c (gen_attr): Use scan_comma_elt. Avoid unnecessary
use of printf.
* genattrtab.c (n_comma_elts): Moved to gensupport.c.
(next_comma_elt): Use scan_comma_elt.
* config/i386/i386.md: Use new attribute notation to break up
long lines in define_attr forms.
From-SVN: r53403
2002-03-07 Matt Hiller <hiller@redhat.com>
* gensupport.c (first_dir_md_include): Renamed from include;
change all references.
(last_dir_md_include): Renamed from last_include; change all
references.
(init_md_reader): Unconditionally initialize base_dir whether or
not filename is a relative path.
From-SVN: r50465