# their coresponding node constructors for all operations in a given spec
# so they can be used as normal firm nodes.
# Creation: 2005/10/19
-# $Id$
use strict;
use Data::Dumper;
my $specfile = $ARGV[0];
my $target_dir = $ARGV[1];
-my $state = 1;
-my $cur_op = "";
-my $line_nr = 0;
our $arch;
-our $additional_opcodes;
our %nodes;
-our %operands;
-our %cpu;
-our $default_op_attr_type;
our $default_attr_type;
our $default_cmp_attr;
our $default_copy_attr;
if(!defined($default_attr_type)) {
$default_attr_type = "${arch}_attr_t";
}
-if(!defined(%init_attr)) {
+if(! %init_attr) {
%init_attr = (
- "$default_attr_type" => "\tinit_${arch}_attributes(res, flags, in_reqs, exec_units, n_res);",
+ "$default_attr_type" => "\tinit_${arch}_attributes(res, irn_flags_, in_reqs, n_res);",
);
}
if(!defined($default_cmp_attr)) {
$default_cmp_attr = "${arch}_compare_attr";
}
-if(!defined(%compare_attr)) {
+if(! %compare_attr) {
%compare_attr = (
"${default_attr_type}" => "${default_cmp_attr}",
);
}
-# Operands are really just nodes with some special constraints, we check
-# these and create new entries in the nodes hashmap
-foreach my $op (keys(%operands)) {
- my %operand = %{ $operands{"$op"} };
- my %op_node;
-
- # constraints
- if(defined($operand{op_flags})) { die "Fatal error: operands can't have op_flags ($op)"; }
- if(defined($operand{cmp_attr})) { die "Fatal error: cmp_attr not allowed for operands ($op)"; }
- if(defined($operand{mode})) { die "Operand must not have a mode defined ($op)"; }
- if(defined($operand{out_arity})) { die "operand must not have out_arity defined ($op)"; }
- if(defined($nodes{$op})) { die "$op defined as operand and as node"; };
-
-
- foreach my $flag (keys(%operand)) {
- $op_node{$flag} = $operand{$flag};
- }
- $op_node{op_flags} = "O";
- $op_node{cmp_attr} = 'return 1;';
- $op_node{mode} = 'mode_ANY';
-
- $nodes{$op} = \%op_node;
-}
-
-#print Dumper(%nodes);
-#print Dumper(%operands);
-
# create c code file from specs
-my @obst_limit_func;
-my @obst_reg_reqs;
-my @obst_opvar; # stack for the "ir_op *op_<arch>_<op-name> = NULL;" statements
-my @obst_get_opvar; # stack for the get_op_<arch>_<op-name>() functions
-my $obst_constructor; # stack for node constructor functions
-my @obst_new_irop; # stack for the new_ir_op calls
-my @obst_enum_op; # stack for creating the <arch>_opcode enum
-my $obst_header; # stack for function prototypes
-my @obst_is_archirn; # stack for the is_$arch_irn() function
-my @obst_cmp_attr; # stack for the compare attribute functions
-my $obst_proj = ""; # stack for the pn_ numbers
+my $obst_limit_func = ""; #
+my $obst_reg_reqs = ""; #
+my $obst_opvar = ""; # buffer for the "ir_op *op_<arch>_<op-name> = NULL;" statements
+my $obst_get_opvar = ""; # buffer for the get_op_<arch>_<op-name>() functions
+my $obst_constructor = ""; # buffer for node constructor functions
+my $obst_new_irop = ""; # buffer for the new_ir_op calls
+my $obst_free_irop = ""; # buffer for free_ir_op calls
+my $obst_enum_op = ""; # buffer for creating the <arch>_opcode enum
+my $obst_header = ""; # buffer for function prototypes
+my $obst_cmp_attr = ""; # buffer for the compare attribute functions
+my $obst_proj = ""; # buffer for the pn_ numbers
my $orig_op;
my $arity;
my $cmp_attr_func;
}
-# for registering additional opcodes
-$n_opcodes += $additional_opcodes if (defined($additional_opcodes));
-
$obst_header .= "void ${arch}_create_opcodes(const arch_irn_ops_t *be_ops);\n";
+$obst_header .= "void ${arch}_free_opcodes(void);\n";
sub create_constructor {
my $op = shift;
# emit constructor code
$temp = <<EOF;
- ir_graph *irg = get_irn_irg(block);
- ir_op *op = op_${arch}_${op};
- arch_irn_flags_t flags = arch_irn_flags_none;
+ ir_graph *irg = get_irn_irg(block);
+ ir_op *op = op_${arch}_${op};
+ arch_irn_flags_t irn_flags_ = arch_irn_flags_none;
ir_node *res;
backend_info_t *info;
EOF
EOF
}
- # set up static variables for cpu execution unit assigments
- if (exists($n->{"units"})) {
- $temp .= gen_execunit_list_initializer($n->{"units"});
- } else {
- $temp .= <<EOF;
- static const be_execution_unit_t ***exec_units = NULL;
-EOF
- }
-
undef my $in_req_var;
undef my $out_req_var;
"simple_jump" => "arch_irn_flags_simple_jump",
"not_scheduled" => "arch_irn_flags_not_scheduled",
);
- if (defined(%custom_irn_flags)) {
+ if (%custom_irn_flags) {
%known_irn_flags = (%known_irn_flags, %custom_irn_flags);
}
foreach my $flag (@{$n->{"irn_flags"}}) {
if (not defined($known_irn_flags{$flag})) {
print STDERR "WARNING: irn_flag '$flag' in opcode $op is unknown\n";
} else {
- $temp .= "\tflags |= " . $known_irn_flags{$flag} . ";\n";
+ $temp .= "\tirn_flags_ |= " . $known_irn_flags{$flag} . ";\n";
}
}
$temp .= "\n";
}
# lookup init function
- my $attr_init_code = "(void)in;(void)exec_units;(void)flags;(void)in_reqs;(void)n_res;";
+ my $attr_init_code = "(void)in;(void)irn_flags_;(void)in_reqs;(void)n_res;";
if ($attr_type ne "") {
$attr_init_code = $init_attr{$attr_type};
if(!defined($attr_init_code)) {
if (exists($n->{"init_attr"})) {
$temp .= "\tattr = (${attr_type}*)get_irn_generic_attr(res);\n";
+ $temp .= "\t(void) attr; /* avoid potential warning */\n";
$temp .= "\t".$n->{"init_attr"}."\n";
}
$obst_constructor .= "}\n\n";
}
-push(@obst_enum_op, "typedef enum ${arch}_opcodes {\n");
+my @node_attrs = (
+ "args",
+ "arity",
+ "attr",
+ "comment",
+ "custominit",
+ "init_attr",
+ "ins",
+ "irn_flags",
+ "mode",
+ "out_arity",
+ "outs",
+ "reg_req",
+);
+
+$obst_enum_op .= "typedef enum ${arch}_opcodes {\n";
foreach my $op (keys(%nodes)) {
my %n = %{ $nodes{"$op"} };
my $known_mode;
}
# Create opcode
- push(@obst_opvar, "ir_op *op_$op = NULL;\n");
- push(@obst_get_opvar, "ir_op *get_op_$op(void) { return op_$op; }\n");
- push(@obst_get_opvar, "int is_$op(const ir_node *n) { return get_$arch\_irn_opcode(n) == iro_$op; }\n\n");
-
- push(@obst_is_archirn, "is_$op(node)");
+ $obst_opvar .= "ir_op *op_$op = NULL;\n";
+ $obst_get_opvar .= "ir_op *get_op_$op(void) { return op_$op; }\n";
+ $obst_get_opvar .= "int is_$op(const ir_node *n) { return get_$arch\_irn_opcode(n) == iro_$op; }\n\n";
$obst_header .= <<EOF;
extern ir_op *op_${op};
if (exists($n{"cmp_attr"})) {
my $cmpcode = $n{"cmp_attr"};
- push(@obst_cmp_attr, "static int cmp_attr_$op(const ir_node *a, const ir_node *b) {\n");
+ $obst_cmp_attr .= "static int cmp_attr_$op(const ir_node *a, const ir_node *b) {\n";
if($cmpcode =~ m/attr_a/) {
- push(@obst_cmp_attr, "\tconst ${attr_type} *attr_a = get_irn_generic_attr_const(a);\n");
+ $obst_cmp_attr .= "\tconst ${attr_type} *attr_a = get_irn_generic_attr_const(a);\n";
} else {
- push(@obst_cmp_attr, "\t(void) a;\n");
+ $obst_cmp_attr .= "\t(void) a;\n";
}
if($cmpcode =~ m/attr_b/) {
- push(@obst_cmp_attr, "\tconst ${attr_type} *attr_b = get_irn_generic_attr_const(b);\n");
+ $obst_cmp_attr .= "\tconst ${attr_type} *attr_b = get_irn_generic_attr_const(b);\n";
} else {
- push(@obst_cmp_attr, "\t(void) b;\n");
+ $obst_cmp_attr .= "\t(void) b;\n";
}
- push(@obst_cmp_attr, "\t${cmpcode}\n");
- push(@obst_cmp_attr, "}\n\n");
+ $obst_cmp_attr .= "\t${cmpcode}\n";
+ $obst_cmp_attr .= "}\n\n";
$cmp_attr_func = "cmp_attr_${op}";
} elsif ($attr_type eq "") {
} else {
# Create 1 default constructor
my %constructor = ();
- foreach my $a ("comment", "ins", "outs", "args", "attr", "units",
- "reg_req", "init_attr", "irn_flags", "mode", "arity",
- "out_arity", "custominit") {
+ foreach my $a (@node_attrs) {
if (defined($n{$a})) {
$constructor{$a} = $n{$a};
}
foreach my $constr (keys(%constructors)) {
my %cstr = %{ $constructors{$constr} };
# Copy some values from outer node if they don't exists in the constr
- foreach my $a ("ins", "outs", "irn_flags", "mode", "args", "attr",
- "custominit") {
+ foreach my $a (@node_attrs) {
if (!defined($cstr{$a}) && defined($n{$a})) {
$cstr{$a} = $n{$a};
}
}
# set default values for state and flags if not given
- $n{"state"} = "floats" if (! exists($n{"state"}));
- $n{"op_flags"} = ["none"] if (! exists($n{"op_flags"}));
-
- push(@obst_new_irop, "\n\tmemset(&ops, 0, sizeof(ops));\n");
- push(@obst_new_irop, "\tops.be_ops = be_ops;\n");
- push(@obst_new_irop, "\tops.dump_node = $arch\_dump_node;\n");
-
- if (defined($cmp_attr_func)) {
- push(@obst_new_irop, "\tops.node_cmp_attr = ${cmp_attr_func};\n");
- }
- my $copy_attr_func = $copy_attr{$attr_type};
- if (!defined($copy_attr_func)) {
- $copy_attr_func = $default_copy_attr;
- }
- if (defined($copy_attr_func)) {
- push(@obst_new_irop, "\tops.copy_attr = ${copy_attr_func};\n");
- }
- if (defined($hash_func)) {
- push(@obst_new_irop, "\tops.hash = ${hash_func};\n");
- }
+ $n{"state"} = "floats" if (! exists($n{"state"}));
+ $n{"op_flags"} = ["none"] if (! exists($n{"op_flags"}));
+ $n{"dump_func"} = "${arch}_dump_node" if (!exists($n{"dump_func"}));
+ my $dump_func = $n{"dump_func"};
my %known_flags = map { $_ => 1 } (
- "none", "labeled", "commutative", "cfopcode", "unknown_jump", "fragile",
- "forking", "highlevel", "constlike", "always_opt", "keep",
- "start_block", "uses_memory", "dump_noblock", "dump_noinput",
- "machine", "machine_op", "cse_neutral"
+ "none", "commutative", "cfopcode", "unknown_jump", "fragile",
+ "forking", "highlevel", "constlike", "keep", "start_block",
+ "uses_memory", "dump_noblock", "cse_neutral"
);
my $is_fragile = 0;
foreach my $flag (@{$n{"op_flags"}}) {
}
$n_opcodes++;
- $temp = "\top_$op = new_ir_op(cur_opcode + iro_$op, \"$op\", op_pin_state_".$n{"state"}.", $op_flags";
- $temp .= "|irop_flag_machine, ".translate_arity($arity).", 0, ${attr_size}, &ops);\n";
- push(@obst_new_irop, $temp);
- if ($is_fragile) {
- push(@obst_new_irop, "\tir_op_set_fragile_indices(op_${op}, n_${op}_mem, pn_${op}_X_regular, pn_${op}_X_except);\n");
+ $temp = "\top = new_ir_op(cur_opcode + iro_$op, \"$op\", op_pin_state_".$n{"state"}.", $op_flags";
+ $temp .= ", ".translate_arity($arity).", 0, ${attr_size});\n";
+ $obst_new_irop .= $temp;
+ $obst_new_irop .= "\top->ops.be_ops = be_ops;\n";
+ $obst_new_irop .= "\top->ops.dump_node = ${dump_func};\n";
+ if (defined($cmp_attr_func)) {
+ $obst_new_irop .= "\top->ops.node_cmp_attr = ${cmp_attr_func};\n";
}
- push(@obst_new_irop, "\tset_op_tag(op_$op, $arch\_op_tag);\n");
- if(defined($default_op_attr_type)) {
- push(@obst_new_irop, "\tattr = &attrs[iro_$op];\n");
- if(defined($n{op_attr_init})) {
- push(@obst_new_irop, "\t".$n{op_attr_init}."\n");
+ my $copy_attr_func = $copy_attr{$attr_type};
+ if (!defined($copy_attr_func)) {
+ # don't set a copy_attr function if the node has no additional attributes.
+ if ($attr_type ne "") {
+ $copy_attr_func = $default_copy_attr;
}
- push(@obst_new_irop, "\tset_op_attr(op_$op, attr);\n");
}
+ if (defined($copy_attr_func)) {
+ $obst_new_irop .= "\top->ops.copy_attr = ${copy_attr_func};\n";
+ }
+ if (defined($hash_func)) {
+ $obst_new_irop .= "\top->ops.hash = ${hash_func};\n";
+ }
+
+ if ($is_fragile) {
+ $obst_new_irop .= "\tir_op_set_memory_index(op, n_${op}_mem);\n";
+ $obst_new_irop .= "\tir_op_set_fragile_indices(op, pn_${op}_X_regular, pn_${op}_X_except);\n";
+ }
+ $obst_new_irop .= "\tset_op_tag(op, $arch\_op_tag);\n";
+ if(defined($n{op_attr_init})) {
+ $obst_new_irop .= "\t".$n{op_attr_init}."\n";
+ }
+ $obst_new_irop .= "\top_${op} = op;\n";
+
+ $obst_free_irop .= "\tfree_ir_op(op_$op); op_$op = NULL;\n";
- push(@obst_enum_op, "\tiro_$op,\n");
+ $obst_enum_op .= "\tiro_$op,\n";
$obst_header .= "\n";
}
-push(@obst_enum_op, "\tiro_$arch\_last_generated,\n");
-push(@obst_enum_op, "\tiro_$arch\_last = iro_$arch\_last_generated");
-push(@obst_enum_op, " + $additional_opcodes") if (defined($additional_opcodes));
-push(@obst_enum_op, "\n} $arch\_opcodes;\n\n");
+$obst_enum_op .= "\tiro_$arch\_last\n";
+$obst_enum_op .= "} $arch\_opcodes;\n\n";
# emit the code
open(OUT, ">$target_c") || die("Fatal error: Could not open $target_c, reason: $!\n");
-print OUT "#include \"gen_$arch\_regalloc_if.h\"\n";
-print OUT "#include \"irverify_t.h\"\n";
-print OUT "\n";
-print OUT @obst_cmp_attr;
-print OUT "\n";
-print OUT @obst_opvar;
-print OUT "\n";
-print OUT @obst_get_opvar;
-print OUT "\n";
-
print OUT<<EOF;
+#include "gen_$arch\_regalloc_if.h"
+#include "irverify_t.h"
+#include "fourcc.h"
+
+$obst_cmp_attr
+$obst_opvar
+$obst_get_opvar
static int $arch\_opcode_start = -1;
static int $arch\_opcode_end = -1;
$d = uc(substr($arch, 3, 1));
}
-print OUT<<ENDOFISIRN;
+print OUT <<END;
/** A tag for the $arch opcodes. Note that the address is used as a tag value, NOT the FOURCC code. */
#define $arch\_op_tag FOURCC('$a', '$b', '$c', '$d')
return -1;
}
-ENDOFISIRN
-
-print OUT <<END;
#ifdef BIT
#undef BIT
#endif
#define BIT(x) (1 << (x))
-END
-
-print OUT @obst_limit_func;
-print OUT "\n";
-
-print OUT @obst_reg_reqs;
-print OUT "\n";
-
-print OUT<<ENDOFMAIN;
+$obst_limit_func
+$obst_reg_reqs
$obst_constructor
/**
* Creates the $arch specific Firm machine operations
* needed for the assembler irgs.
*/
-void $arch\_create_opcodes(const arch_irn_ops_t *be_ops) {
- ir_op_ops ops;
- int cur_opcode;
- static int run_once = 0;
-ENDOFMAIN
-
- if (defined($default_op_attr_type)) {
- print OUT "\t$default_op_attr_type *attr, *attrs;\n";
- }
-
-print OUT<<ENDOFMAIN;
-
- if (run_once)
- return;
- run_once = 1;
-
- cur_opcode = get_next_ir_opcodes(iro_$arch\_last);
+void $arch\_create_opcodes(const arch_irn_ops_t *be_ops)
+{
+ ir_op *op;
+ int cur_opcode = get_next_ir_opcodes(iro_$arch\_last);
$arch\_opcode_start = cur_opcode;
-ENDOFMAIN
-
- if (defined($default_op_attr_type)) {
- print OUT "\tattrs = XMALLOCNZ(${default_op_attr_type}, iro_${arch}_last);\n";
- }
+$obst_new_irop
+ $arch\_opcode_end = cur_opcode + iro_$arch\_last;
+}
-print OUT @obst_new_irop;
-print OUT "\n";
-print OUT "\t$arch\_register_additional_opcodes(cur_opcode);\n" if (defined($additional_opcodes));
-print OUT "\t$arch\_opcode_end = cur_opcode + iro_$arch\_last";
-print OUT " + $additional_opcodes" if (defined($additional_opcodes));
-print OUT ";\n";
-print OUT "}\n";
+void $arch\_free_opcodes(void)
+{
+$obst_free_irop
+}
+END
close(OUT);
#ifndef FIRM_BE_${tmp}_GEN_${tmp}_NEW_NODES_H
#define FIRM_BE_${tmp}_GEN_${tmp}_NEW_NODES_H
-EOF
-
-print OUT @obst_enum_op;
-print OUT <<EOF;
+$obst_enum_op
int is_${arch}_irn(const ir_node *node);
int is_${arch}_op(const ir_op *op);
}
}
-###
-# Return the list of pointers for the given execution units.
-###
-sub gen_execunit_list_initializer {
- my $units = shift;
- my $uc_arch = uc($arch);
- my $ret = "";
- my $ret2 = "";
- my %init;
-
- foreach my $unit (@{ $units }) {
- if ($unit eq "DUMMY") {
- push(@{ $init{"DUMMY"} }, "\t\t&be_machine_execution_units_DUMMY[0]");
- }
- elsif (exists($cpu{"$unit"})) {
- # operation can be executed on all units of this type
- # -> add them all
- my $tp_name = "$arch\_execution_units_$unit";
- my $idx = 0;
- foreach (@{ $cpu{"$unit"} }) {
- next if ($idx++ == 0); # skip first element (it's not a unit)
- my $unit_name = "$uc_arch\_EXECUNIT_TP_$unit\_$_";
- push(@{ $init{"$unit"} }, "\t\t&".$tp_name."[".$unit_name."]");
- }
- }
- else {
- # operation can be executed only a certain unit
- # -> find corresponding unit type
- my $found = 0;
-TP_SEARCH: foreach my $cur_type (keys(%cpu)) {
- foreach my $cur_unit (@{ $cpu{"$cur_type"} }) {
- if ($unit eq $cur_unit) {
- my $tp_name = "$arch\_execution_units_$cur_type";
- my $unit_name = "$uc_arch\_EXECUNIT_TP_$cur_type\_$unit";
- push(@{ $init{"$unit"} }, "\t\t&".$tp_name."[".$unit_name."]");
- $found = 1;
- last TP_SEARCH;
- }
- }
- }
-
- if (! $found) {
- print STDERR "Invalid execution unit $unit specified!\n";
- }
- }
- }
-
- # prepare the 2-dim array init
- foreach my $key (keys(%init)) {
- $ret .= "\tstatic const be_execution_unit_t *allowed_units_".$key."[] =\n";
- $ret .= "\t{\n";
- foreach (@{ $init{"$key"} }) {
- $ret .= "$_,\n";
- }
- $ret .= "\t\tNULL\n";
- $ret .= "\t};\n";
- $ret2 .= "\t\tallowed_units_$key,\n";
- }
- $ret2 .= "\t\tNULL\n";
-
- $ret .= "\tstatic const be_execution_unit_t **exec_units[] =\n";
- $ret .= "\t{\n";
- $ret .= $ret2;
- $ret .= "\t};\n";
-
- return $ret;
-}
-
sub mangle_requirements {
my $reqs = shift;
my $class = shift;
$limit_bitsets{$limit_name} = $limit_name;
- push(@obst_limit_func, "static const unsigned " . $limit_name . "[] = { ");
+ $obst_limit_func .= "static const unsigned $limit_name\[] = { ";
my $first = 1;
my $limitbitsetlen = $regclass2len{$class};
my $limitarraylen = ($limitbitsetlen+31) / 32;
if($first) {
$first = 0;
} else {
- push(@obst_limit_func, ", ");
+ $obst_limit_func .= ", ";
}
my $temp;
if($neg) {
my $reguc = uc($reg);
$temp .= "BIT(REG_${classuc}_${reguc})";
}
- if(defined($temp)) {
- push(@obst_limit_func, "${temp}");
- } else {
- push(@obst_limit_func, "0");
- }
+ $obst_limit_func .= $temp || "0";
}
- push(@obst_limit_func, " };\n");
+ $obst_limit_func .= " };\n";
}
return ($class, $limit_name, $same_pos, $different_pos);
return $name;
}
$requirements{$name} = $name;
- push(@obst_reg_reqs, <<EOF);
-static const arch_register_req_t ${name} = ${result}
-EOF
+ $obst_reg_reqs .= "static const arch_register_req_t ${name} = ${result}\n";
return $name;
}