#!/usr/bin/perl -w
#
-# Copyright (C) 1995-2007 University of Karlsruhe. All right reserved.
+# Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
#
# This file is part of libFirm.
#
# 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 %cpu;
-our $default_cmp_attr;
our $default_attr_type;
+our $default_cmp_attr;
+our $default_copy_attr;
+our %init_attr;
+our $custom_init_attr_func;
+our %compare_attr;
+our %copy_attr;
+our %reg_classes;
+our %custom_irn_flags;
# include spec file
no strict "subs";
unless ($return = do $specfile) {
- die "couldn't parse $specfile: $@" if $@;
- die "couldn't do $specfile: $!" unless defined $return;
- die "couldn't run $specfile" unless $return;
+ die "Fatal error: couldn't parse $specfile: $@" if $@;
+ die "Fatal error: couldn't do $specfile: $!" unless defined $return;
+ die "Fatal error: couldn't run $specfile" unless $return;
}
use strict "subs";
if(!defined($default_attr_type)) {
$default_attr_type = "${arch}_attr_t";
}
-
-#print Dumper(%nodes);
-#print Dumper(%operands);
+if(! %init_attr) {
+ %init_attr = (
+ "$default_attr_type" => "\tinit_${arch}_attributes(res, irn_flags_, in_reqs, n_res);",
+ );
+}
+if(!defined($default_cmp_attr)) {
+ $default_cmp_attr = "${arch}_compare_attr";
+}
+if(! %compare_attr) {
+ %compare_attr = (
+ "${default_attr_type}" => "${default_cmp_attr}",
+ );
+}
# create c code file from specs
-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;
my $n_opcodes = 0; # number of opcodes
my $ARITY_VARIABLE = -1;
my $ARITY_DYNAMIC = -2;
+my %requirements = ();
+my %limit_bitsets = ();
+my %reg2class = ();
+my %regclass2len = ();
+
+# build register->class hashes
+foreach my $class_name (keys(%reg_classes)) {
+ my @class = @{ $reg_classes{"$class_name"} };
+ my $old_classname = $class_name;
+
+ pop(@class);
+
+ $class_name = $arch."_".$class_name;
+
+ my $idx = 0;
+ foreach (@class) {
+ $reg2class{$_->{name}} = {
+ "class" => $old_classname,
+ "index" => $idx
+ };
+ $idx++;
+ }
+
+ $regclass2len{$old_classname} = $idx;
+}
+
+
+$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;
+ my $name = shift;
+ my $n = shift;
+ my $on = shift;
+ my $known_mode;
+
+ my $suffix = "";
+ if ($name ne "") {
+ $suffix = "_${name}";
+ }
+
+ # determine mode
+ if (exists($n->{mode})) {
+ $known_mode = $n->{mode};
+ }
+
+ # determine arity
+ my $arity = 0;
+ if(exists($n->{"arity"})) {
+ $arity = $n->{"arity"};
+ } elsif (exists($n->{"reg_req"}) && exists($n->{"reg_req"}{"in"})) {
+ $arity = scalar(@{ $n->{"reg_req"}{"in"} });
+ } elsif (exists($n->{"ins"})) {
+ $arity = scalar(@{ $n->{"ins"} });
+ }
+ if($arity eq "variable") {
+ $arity = $ARITY_VARIABLE;
+ } elsif($arity eq "dynamic") {
+ $arity = $ARITY_DYNAMIC;
+ }
+
+ # determine out arity
+ my $out_arity = 0;
+ if(exists($n->{"out_arity"})) {
+ $out_arity = $n->{"out_arity"};
+ } elsif (exists($n->{"reg_req"}) && exists($n->{"reg_req"}{"out"})) {
+ $out_arity = scalar(@{ $n->{"reg_req"}{"out"} });
+ } elsif (exists($n->{"outs"})) {
+ $out_arity = scalar(@{ $n->{"outs"} });
+ }
+ if($out_arity eq "variable") {
+ $out_arity = $ARITY_VARIABLE;
+ } elsif($out_arity eq "dynamic") {
+ $out_arity = $ARITY_DYNAMIC;
+ }
+ if ($out_arity != 0 && $out_arity != 1 && !defined($known_mode)) {
+ $known_mode = "mode_T";
+ }
+
+ my $comment = $n->{"comment"};
+ if(!exists($n->{"comment"})) {
+ $comment = "construct ${orig_op} node";
+ }
+ $comment =
+ "/**\n".
+ " * ${comment}\n".
+ " */\n";
+
+ $obst_constructor .= $comment;
+
+ # create constructor head
+ my $complete_args = "";
+ $temp = "";
+
+ $temp = "ir_node *new_bd_${arch}_${op}${suffix}(dbg_info *dbgi, ir_node *block";
+ if (!exists($n->{"args"})) { # default args
+ if ($arity == $ARITY_VARIABLE) {
+ $complete_args = ", int arity, ir_node *in[]";
+ } elsif ($arity == $ARITY_DYNAMIC) {
+ $complete_args = "";
+ } else {
+ for (my $i = 0; $i < $arity; $i++) {
+ my $opname = "op${i}";
+ if (exists($n->{"ins"})) {
+ my @ins = @{ $n->{"ins"} };
+ $opname = $ins[$i];
+ }
+
+ $complete_args .= ", ir_node *${opname}";
+ }
+ }
+ if ($out_arity == $ARITY_VARIABLE) {
+ $complete_args .= ", int n_res";
+ }
+
+ if (!defined($known_mode)) {
+ $complete_args .= ", ir_mode *mode";
+ }
+ } else { # user defined args
+ for my $href (@{ $n->{"args"} }) {
+ $href->{"type"} .= " " if ($href->{"type"} !~ / [*]?$/); # put a space between name and type if there is none at the end
+ $complete_args .= ", ".$href->{"type"}.$href->{"name"};
+ }
+ }
+
+ # we have additional attribute arguements
+ if (exists($n->{"attr"})) {
+ $complete_args .= ", ".$n->{"attr"};
+ }
+
+ $temp .= "$complete_args)";
+ $obst_constructor .= "${temp}\n{\n";
+
+ $obst_header .= $comment;
+ $obst_header .= "${temp};\n";
+
+ # emit constructor code
+ $temp = <<EOF;
+ ir_graph *irg = get_irn_irg(block);
+ ir_op *op = op_${arch}_${op};
+ arch_irn_flags_t irn_flags_ = arch_irn_flags_none;
+ ir_node *res;
+ backend_info_t *info;
+EOF
+
+ if($arity == $ARITY_DYNAMIC) {
+ $temp .= <<EOF;
+ int arity = -1;
+ ir_node **in = NULL;
+EOF
+ } elsif($arity == $ARITY_VARIABLE) {
+ } else {
+ $temp .= <<EOF;
+ int arity = $arity;
+EOF
+ if($arity > 0) {
+ $temp .= <<EOF;
+ ir_node *in[$arity];
+EOF
+ } else {
+ $temp .= <<EOF;
+ ir_node **in = NULL;
+EOF
+ }
+ }
+ if($out_arity == $ARITY_DYNAMIC) {
+ $temp .= <<EOF;
+ int n_res = -1;
+EOF
+ } elsif($out_arity == $ARITY_VARIABLE) {
+ } else {
+ $temp .= <<EOF;
+ int n_res = ${out_arity};
+EOF
+ }
+
+ if (defined($known_mode)) {
+ $temp .= <<EOF;
+ ir_mode *mode = ${known_mode};
+EOF
+ }
+
+ undef my $in_req_var;
+ undef my $out_req_var;
+
+ my $set_out_reqs = "";
+
+ # set up static variables for requirements and registers
+ if (exists($n->{"reg_req"})) {
+ my %req = %{ $n->{"reg_req"} };
+ my $idx;
+
+ undef my @in;
+ @in = @{ $req{"in"} } if (exists($req{"in"}));
+ undef my @out;
+ @out = @{ $req{"out"} } if exists(($req{"out"}));
+
+ for(my $idx = 0; $idx < $#in; $idx++) {
+ my $req = $in[$idx];
+ generate_requirements($req, $n, "${arch}_${op}", $idx, 1);
+ }
+ for(my $idx = 0; $idx < $#out; $idx++) {
+ my $req = $out[$idx];
+ generate_requirements($req, $n, "${arch}_${op}", $idx, 0);
+ }
+
+ if (@in) {
+ if($arity >= 0 && scalar(@in) != $arity) {
+ die "Fatal error: Arity and number of in requirements don't match for ${op}\n";
+ }
-# for registering additional opcodes
-$n_opcodes += $additional_opcodes if (defined($additional_opcodes));
+ $temp .= "\tstatic const arch_register_req_t *in_reqs[] =\n";
+ $temp .= "\t{\n";
+ for ($idx = 0; $idx <= $#in; $idx++) {
+ my $req = $in[$idx];
+ my $reqstruct = generate_requirements($req, $n, "${arch}_${op}", $idx, 1);
+ $temp .= "\t\t& ${reqstruct},\n";
+ }
+ $temp .= "\t};\n";
+ } else {
+ if($arity > 0) {
+ die "Fatal error: need in requirements for ${op}\n";
+ }
+ $temp .= "\tstatic const arch_register_req_t **in_reqs = NULL;\n";
+ }
-push(@obst_header, "void ".$arch."_create_opcodes(void);\n");
+ if (@out) {
+ if($out_arity >= 0 && scalar(@out) != $out_arity) {
+ die "Fatal error: Out-Arity and number of out requirements don't match for ${op}\n";
+ }
-# create default compare function
-if(defined($default_cmp_attr)) {
- my $cmpcode = $default_cmp_attr;
- push(@obst_cmp_attr, "static int default_cmp_attr(ir_node *a, ir_node *b) {\n");
- if($cmpcode =~ m/attr_a/) {
- push(@obst_cmp_attr, "\t${default_attr_type} *attr_a = get_irn_generic_attr(a);\n");
+ for ($idx = 0; $idx <= $#out; $idx++) {
+ my $req = $out[$idx];
+ my $reqstruct = generate_requirements($req, $n, "${arch}_${op}", $idx, 0);
+ $set_out_reqs .= <<EOF;
+ info->out_infos[${idx}].req = &${reqstruct};
+EOF
+ }
+ } else {
+ if($out_arity > 0) {
+ die "Fatal error: need out requirements for ${op}\n";
+ }
+ }
+ } else {
+ $temp .= "\tstatic const arch_register_req_t **in_reqs = NULL;\n";
}
- if($cmpcode =~ m/attr_b/) {
- push(@obst_cmp_attr, "\t${default_attr_type} *attr_b = get_irn_generic_attr(b);\n");
+ my $attr_type = $on->{attr_type};
+ if(exists($n->{"init_attr"})) {
+ $temp .= "\t${attr_type} *attr;\n";
+ }
+
+ $temp .= "\n";
+
+ if($arity > 0) {
+ $temp .= "\t/* construct in array */\n";
+ for (my $i = 0; $i < $arity; $i++) {
+ my $opname = "op${i}";
+ if (exists($n->{"ins"})) {
+ my @ins = @{ $n->{"ins"} };
+ $opname = $ins[$i];
+ }
+
+ $temp .= "\tin[${i}] = ${opname};\n";
+ }
+ $temp .= "\n";
}
- push(@obst_cmp_attr, "\t${cmpcode}\n");
- push(@obst_cmp_attr, "}\n\n");
+
+ # set flags
+ if (exists($n->{"irn_flags"})) {
+ $temp .= "\t/* flags */\n";
+ my %known_irn_flags = (
+ "none" => "arch_irn_flags_none",
+ "dont_spill" => "arch_irn_flags_dont_spill",
+ "rematerializable" => "arch_irn_flags_rematerializable",
+ "modify_flags" => "arch_irn_flags_modify_flags",
+ "simple_jump" => "arch_irn_flags_simple_jump",
+ "not_scheduled" => "arch_irn_flags_not_scheduled",
+ );
+ 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 .= "\tirn_flags_ |= " . $known_irn_flags{$flag} . ";\n";
+ }
+ }
+ $temp .= "\n";
+ }
+
+ # lookup init function
+ 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($attr_init_code)) {
+ die "Fatal error: Couldn't find attribute initialisation code for type '${attr_type}'";
+ }
+ }
+ my $custominit = "";
+ if(defined($custom_init_attr_func)) {
+ $custominit .= &$custom_init_attr_func($n, $on, "${arch}_${op}");
+ }
+ if(defined($n->{custominit})) {
+ $custominit .= $n->{custominit};
+ }
+
+ $temp .= <<EOF;
+ /* create node */
+ assert(op != NULL);
+ res = new_ir_node(dbgi, irg, block, op, mode, arity, in);
+
+ /* init node attributes */
+ ${attr_init_code}
+ ${custominit}
+ info = be_get_info(res);
+ (void) info; /* avoid potential warning */
+${set_out_reqs}
+
+EOF
+
+ 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";
+ }
+
+ $temp .= <<EOF;
+ /* optimize node */
+ res = optimize_node(res);
+ irn_verify_irg(res, irg);
+
+ return res;
+EOF
+
+ $obst_constructor .= $temp;
+
+ # close constructor function
+ $obst_constructor .= "}\n\n";
}
-push(@obst_enum_op, "typedef enum _$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 $known_mode;
if (exists($n{"outs"})) {
undef my @outs;
- @outs = @{ $n{"outs"} };
+ @outs = @{ $n{"outs"} };
if($out_arity >= 0 && scalar(@outs) != $out_arity) {
- die "Op ${op} has different number of outs and out_arity\n";
+ die "Fatal error: Op ${op} has different number of outs and out_arity\n";
}
$num_outs = $#outs + 1;
- push(@obst_proj, "\nenum pn_$op {\n");
+ if ($num_outs > 0) {
+ $obst_proj .= "\nenum pn_${op} {\n";
- for (my $idx = 0; $idx <= $#outs; $idx++) {
- # check, if we have additional flags annotated to out
- if ($outs[$idx] =~ /:((S|I)(\|(S|I))*)/) {
- push(@out_flags, $1);
- $outs[$idx] =~ s/:((S|I)(\|(S|I))*)//;
+ for (my $idx = 0; $idx <= $#outs; $idx++) {
+ # check, if we have additional flags annotated to out
+ if ($outs[$idx] =~ /:((S|I)(\|(S|I))*)/) {
+ push(@out_flags, $1);
+ $outs[$idx] =~ s/:((S|I)(\|(S|I))*)//;
+ }
+ $obst_proj .= "\tpn_${op}_".$outs[$idx]." = ${idx},\n";
}
- push(@obst_proj, "\tpn_$op\_".$outs[$idx]." = $idx,\n");
- }
- push(@obst_proj, "};\n");
+ $obst_proj .= "};\n";
+ }
# outs have names, it must be a mode_T node
- $known_mode = "mode_T";
+ if (!defined($n{mode})) {
+ $n{mode} = "mode_T";
+ }
}
if (exists($n{"ins"})) {
undef my @ins;
@ins = @{ $n{"ins"} };
if($arity >= 0 && scalar(@ins) != $arity) {
- die "Op ${op} has different number of ins and arity\n";
+ die "Fatal error: Op ${op} has different number of ins and arity\n";
}
- push(@obst_proj, "\nenum n_$op {\n");
-
- for (my $idx = 0; $idx <= $#ins; $idx++) {
- push(@obst_proj, "\tn_${op}_".$ins[$idx]." = $idx,\n");
+ if ($#ins >= 0) {
+ $obst_proj .= "\nenum n_$op {\n";
+ for (my $idx = 0; $idx <= $#ins; $idx++) {
+ $obst_proj .= "\tn_${op}_".$ins[$idx]." = ${idx},\n";
+ }
+ $obst_proj .= "};\n";
}
-
- push(@obst_proj, "};\n");
- }
-
- # determine mode
- if (exists($n{"mode"})) {
- $known_mode = $n{"mode"};
}
- push(@obst_opvar, "ir_op *op_$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");
+ # Create opcode
+ $obst_opvar .= "ir_op *op_$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";
- push(@obst_is_archirn, "is_$op(node)");
-
- push(@obst_header, "extern ir_op *op_$op;\n");
- push(@obst_header, "ir_op *get_op_$op(void);\n");
- push(@obst_header, "int is_$op(const ir_node *n);\n");
+ $obst_header .= <<EOF;
+extern ir_op *op_${op};
+ir_op *get_op_${op}(void);
+int is_${op}(const ir_node *n);
+EOF
- my $attr_type= $n{"attr_type"};
+ my $attr_type= $n{attr_type};
if(!defined($attr_type)) {
$attr_type = $default_attr_type;
+ $n{attr_type} = $attr_type;
+ }
+
+ # determine hash function
+ my $hash_func;
+ if (exists($n{"hash_func"})) {
+ $hash_func = $n{"hash_func"};
}
# determine compare function
my $cmp_attr_func;
- if(defined($default_cmp_attr)) {
- $cmp_attr_func = "default_cmp_attr";
- }
if (exists($n{"cmp_attr"})) {
my $cmpcode = $n{"cmp_attr"};
- push(@obst_cmp_attr, "static int cmp_attr_$op(ir_node *a, ir_node *b) {\n");
+ $obst_cmp_attr .= "static int cmp_attr_$op(const ir_node *a, const ir_node *b) {\n";
if($cmpcode =~ m/attr_a/) {
- push(@obst_cmp_attr, "\t${attr_type} *attr_a = get_irn_generic_attr(a);\n");
+ $obst_cmp_attr .= "\tconst ${attr_type} *attr_a = get_irn_generic_attr_const(a);\n";
+ } else {
+ $obst_cmp_attr .= "\t(void) a;\n";
}
if($cmpcode =~ m/attr_b/) {
- push(@obst_cmp_attr, "\t${attr_type} *attr_b = get_irn_generic_attr(b);\n");
+ $obst_cmp_attr .= "\tconst ${attr_type} *attr_b = get_irn_generic_attr_const(b);\n";
+ } else {
+ $obst_cmp_attr .= "\t(void) b;\n";
}
- push(@obst_cmp_attr, "\t${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 "") {
+ $cmp_attr_func = "NULL";
+ } else {
+ if(defined($compare_attr{${attr_type}})) {
+ $cmp_attr_func = $compare_attr{${attr_type}};
+ } else {
+ die "Fatal error: No compare function defined for ${attr_type} attributes.";
+ }
}
- if (exists($n{"rd_constructor"}) && $n{"rd_constructor"} =~ /^NONE$/i) {
- # we explicitly skip the constructor if the specification entry says NONE
+ my %constructors;
+ if (exists($n{constructors})) {
+ %constructors = %{ $n{constructors} };
} else {
- my $comment = $n{"comment"};
- if(!exists($n{"comment"})) {
- $comment = "construct ${orig_op} node";
- }
- $comment =
- "/**\n".
- " * ${comment}\n".
- " */\n";
-
- push(@obst_constructor, $comment);
-
- # create constructor head
- my $complete_args = "";
- $temp = "";
-
- $temp = "ir_node *new_rd_$op(dbg_info *db, ir_graph *irg, ir_node *block";
- if (!exists($n{"args"})) { # default args
- if ($arity == $ARITY_VARIABLE) {
- $complete_args = ", int arity, ir_node *in[]";
- } elsif ($arity == $ARITY_DYNAMIC) {
- $complete_args = "";
- } else {
- for (my $i = 0; $i < $arity; $i++) {
- my $opname = "op${i}";
- if (exists($n{"ins"})) {
- my @ins = @{ $n{"ins"} };
- $opname = $ins[$i];
- }
-
- $complete_args .= ", ir_node *${opname}";
- }
- }
- if ($out_arity == $ARITY_VARIABLE) {
- $complete_args .= ", int n_res";
- }
-
- if (!defined($known_mode)) {
- $complete_args .= ", ir_mode *mode";
- }
- } else { # user defined args
- for my $href (@{ $n{"args"} }) {
- $href->{"type"} .= " " if ($href->{"type"} !~ / [*]?$/); # put a space between name and type if there is none at the end
- $complete_args .= ", ".$href->{"type"}.$href->{"name"};
+ # Create 1 default constructor
+ my %constructor = ();
+ foreach my $a (@node_attrs) {
+ if (defined($n{$a})) {
+ $constructor{$a} = $n{$a};
}
}
+ %constructors = ( "" => \%constructor );
+ }
- # we have additional attribute arguements
- if (exists($n{"attr"})) {
- $complete_args .= ", ".$n{"attr"};
- }
-
- $temp .= "$complete_args)";
- push(@obst_constructor, $temp."\n{\n");
- push(@obst_header, $comment);
- push(@obst_header, $temp.";\n");
-
- # emit constructor code
- if (!exists($n{"rd_constructor"})) { # default constructor
- $temp = "\tir_node *res;\n";
- $temp .= "\tir_op *op = op_${op};\n";
- $temp .= "\tint flags = 0;\n";
-
- if($arity == $ARITY_DYNAMIC) {
- $temp .= "\tint arity = 0;\n";
- $temp .= "\tir_node **in = NULL;\n";
- } elsif($arity == $ARITY_VARIABLE) {
- } else {
- $temp .= "\tint arity = $arity;\n";
- if($arity > 0) {
- $temp .= "\tir_node *in[$arity];\n";
- } else {
- $temp .= "\tir_node **in = NULL;\n";
- }
- }
- if($out_arity == $ARITY_DYNAMIC) {
- $temp .= "\tint n_res = 0;\n";
- } elsif($out_arity == $ARITY_VARIABLE) {
- } else {
- $temp .= "\tint n_res = ${out_arity};\n";
- }
-
- my $latency = $n{"latency"};
- if (!defined($latency)) {
- $latency = 1;
- }
- $temp .= "\tunsigned latency = ${latency};\n";
-
- if (defined($known_mode)) {
- $temp .= "\tir_mode *mode = ${known_mode};\n";
- }
-
- # set up static variables for cpu execution unit assigments
- if (exists($n{"units"})) {
- $temp .= gen_execunit_list_initializer($n{"units"});
- } else {
- $temp .= "\tstatic const be_execution_unit_t ***exec_units = NULL;\n";
- }
-
- undef my $in_req_var;
- undef my $out_req_var;
-
- # set up static variables for requirements and registers
- if (exists($n{"reg_req"})) {
- my %req = %{ $n{"reg_req"} };
- my $idx;
-
- undef my @in;
- @in = @{ $req{"in"} } if (exists($req{"in"}));
- undef my @out;
- @out = @{ $req{"out"} } if exists(($req{"out"}));
-
- if (@in) {
- if($arity >= 0 && scalar(@in) != $arity) {
- die "Arity and number of in requirements don't match for ${op}\n";
- }
-
- $temp .= "\tstatic const arch_register_req_t *in_reqs[] =\n";
- $temp .= "\t{\n";
- for ($idx = 0; $idx <= $#in; $idx++) {
- $temp .= "\t\t&".$op."_reg_req_in_".$idx.",\n";
- }
- $temp .= "\t};\n";
- } else {
- if($arity > 0) {
- die "need in requirements for ${op}\n";
- }
- $temp .= "\tstatic const arch_register_req_t **in_reqs = NULL;\n";
- }
-
- if (@out) {
- if($out_arity >= 0 && scalar(@out) != $out_arity) {
- die "Out-Arity and number of out requirements don't match for ${op}\n";
- }
-
- $temp .= "\tstatic const arch_register_req_t *out_reqs[] =\n";
- $temp .= "\t{\n";
- for ($idx = 0; $idx <= $#out; $idx++) {
- $temp .= "\t\t&".$op."_reg_req_out_".$idx.",\n";
- }
- $temp .= "\t};\n";
- } else {
- if($out_arity > 0) {
- die "need out requirements for ${op}\n";
- }
- $temp .= "\tstatic const arch_register_req_t **out_reqs = NULL;\n";
- }
- } else {
- $temp .= "\tstatic const arch_register_req_t **in_reqs = NULL;\n";
- $temp .= "\tstatic const arch_register_req_t **out_reqs = NULL;\n";
- }
- if(exists($n{"init_attr"})) {
- $temp .= "\t${attr_type} *attr;\n";
- }
-
- $temp .= "\n";
-
- if($arity > 0) {
- $temp .= "\t/* construct in array */\n";
- for (my $i = 0; $i < $arity; $i++) {
- my $opname = "op${i}";
- if (exists($n{"ins"})) {
- my @ins = @{ $n{"ins"} };
- $opname = $ins[$i];
- }
-
- $temp .= "\tin[${i}] = ${opname};\n";
- }
- $temp .= "\n";
- }
-
- # set flags
- if (exists($n{"irn_flags"})) {
- $temp .= "\t/* flags */\n";
- foreach my $flag (split(/\|/, $n{"irn_flags"})) {
- if ($flag eq "R") {
- $temp .= "\tflags |= arch_irn_flags_rematerializable;\n";
- } elsif ($flag eq "N") {
- $temp .= "\tflags |= arch_irn_flags_dont_spill;\n";
- } elsif ($flag eq "I") {
- $temp .= "\tflags |= arch_irn_flags_ignore;\n";
- } elsif ($flag eq "S") {
- $temp .= "\tflags |= arch_irn_flags_modify_sp;\n";
- }
- }
- $temp .= "\n";
- }
-
- $temp .= "\t/* create node */\n";
- $temp .= "\tassert(op != NULL);\n";
- $temp .= "\tres = new_ir_node(db, irg, block, op, mode, arity, in);\n";
- $temp .= "\n";
-
- $temp .= "\t/* init node attributes */\n";
- $temp .= "\tinit_$arch\_attributes(res, flags, in_reqs, out_reqs, exec_units, n_res, latency);\n";
- $temp .= "\n";
-
- # set flags for outs
- if ($#out_flags >= 0) {
- $temp .= "\t/* set flags for outs */\n";
- for (my $idx = 0; $idx <= $#out_flags; $idx++) {
- my $flags = "";
- my $prefix = "";
-
- foreach my $flag (split(/\|/, $out_flags[$idx])) {
- if ($flag eq "I") {
- $flags .= $prefix."arch_irn_flags_ignore";
- $prefix = " | ";
- }
- elsif ($flag eq "S") {
- $flags .= $prefix."arch_irn_flags_modify_sp";
- $prefix = " | ";
- }
- }
-
- $temp .= "\tset_$arch\_out_flags(res, $flags, $idx);\n";
- }
- $temp .= "\n";
- }
-
-
- if (exists($n{"init_attr"})) {
- $temp .= "\tattr = get_$arch\_attr(res);\n";
- $temp .= $n{"init_attr"}."\n";
+ 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 $a (@node_attrs) {
+ if (!defined($cstr{$a}) && defined($n{$a})) {
+ $cstr{$a} = $n{$a};
}
-
- $temp .= "\t/* optimize node */\n";
- $temp .= "\tres = optimize_node(res);\n";
- $temp .= "\tirn_vrfy_irg(res, irg);\n";
- $temp .= "\n";
-
- $temp .= "\treturn res;\n";
-
- push(@obst_constructor, $temp);
- }
- else { # user defined constructor
- push(@obst_constructor, $n{"rd_constructor"});
}
-
- # close constructor function
- push(@obst_constructor, "}\n\n");
- } # constructor creation
+ create_constructor($orig_op, $constr, \%cstr, \%n);
+ }
# set default values for state and flags if not given
- $n{"state"} = "floats" if (! exists($n{"state"}));
- $n{"op_flags"} = "N" if (! exists($n{"op_flags"}));
-
+ $n{"state"} = "floats" if (! exists($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", "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"}}) {
+ if (not defined($known_flags{$flag})) {
+ print STDERR "WARNING: Flag '$flag' in opcode $op is unknown\n";
+ }
+ if ($flag eq "fragile") {
+ $is_fragile = 1;
+ }
+ }
+ my @mapped = map { "irop_flag_$_" } @{$n{"op_flags"}};
+ my $op_flags = join('|', @mapped);
- push(@obst_new_irop, "\n\tmemset(&ops, 0, sizeof(ops));\n");
- push(@obst_new_irop, "\tops.dump_node = $arch\_dump_node;\n");
+ my $attr_size = "0";
+ if ($attr_type ne "") {
+ $attr_size = "sizeof(${attr_type})"
+ }
+ $n_opcodes++;
+ $temp = "\top = new_ir_op(cur_opcode + iro_$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)) {
- push(@obst_new_irop, "\tops.node_cmp_attr = ${cmp_attr_func};\n");
+ $obst_new_irop .= "\top->ops.node_cmp_attr = ${cmp_attr_func};\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 = $default_copy_attr;
+ }
+ }
+ if (defined($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";
}
- $n_opcodes++;
- my $n_res = $out_arity;
- if($n_res < 0) {
- $n_res = "20"; # hacky....
+ if ($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";
}
- $temp = "\top_$op = new_ir_op(cur_opcode + iro_$op, \"$op\", op_pin_state_".$n{"state"}.", ".$n{"op_flags"};
- $temp .= "|M, ".translate_arity($arity).", 0, sizeof(${attr_type}) + $n_res * sizeof(arch_register_t *), &ops);\n";
- push(@obst_new_irop, $temp);
- push(@obst_new_irop, "\tset_op_tag(op_$op, &$arch\_op_tag);\n");
- push(@obst_enum_op, "\tiro_$op,\n");
+ $obst_new_irop .= "\top_${op} = op;\n";
+
+ $obst_free_irop .= "\tfree_ir_op(op_$op); op_$op = NULL;\n";
- push(@obst_header, "\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("Could not open $target_c, reason: $!\n");
-
-print OUT "#include \"gen_$arch\_regalloc_if_t.h\"\n\n";
-print OUT @obst_cmp_attr;
-print OUT "\n";
-print OUT @obst_opvar;
-print OUT "\n";
-print OUT @obst_get_opvar;
-print OUT "\n";
+open(OUT, ">$target_c") || die("Fatal error: Could not open $target_c, reason: $!\n");
print OUT<<EOF;
+#include "gen_$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. */
-static unsigned $arch\_op_tag = FOURCC('$a', '$b', '$c', '$d');
+#define $arch\_op_tag FOURCC('$a', '$b', '$c', '$d')
/** Return the opcode number of the first $arch opcode. */
int get_$arch\_opcode_first(void) {
/** Return 1 if the given opcode is a $arch machine op, 0 otherwise */
int is_$arch\_op(const ir_op *op) {
- return get_op_tag(op) == &$arch\_op_tag;
+ return get_op_tag(op) == $arch\_op_tag;
}
/** Return 1 if the given node is a $arch machine node, 0 otherwise */
return -1;
}
-ENDOFISIRN
+#ifdef BIT
+#undef BIT
+#endif
+#define BIT(x) (1 << (x))
-print OUT @obst_constructor;
+$obst_limit_func
+$obst_reg_reqs
+$obst_constructor
-print OUT<<ENDOFMAIN;
/**
* Creates the $arch specific Firm machine operations
* needed for the assembler irgs.
*/
-void $arch\_create_opcodes(void) {
-#define N irop_flag_none
-#define L irop_flag_labeled
-#define C irop_flag_commutative
-#define X irop_flag_cfopcode
-#define I irop_flag_ip_cfopcode
-#define F irop_flag_fragile
-#define Y irop_flag_forking
-#define H irop_flag_highlevel
-#define c irop_flag_constlike
-#define K irop_flag_keep
-#define M irop_flag_machine
-#define O irop_flag_machine_op
-#define R (irop_flag_user << 0)
-
- ir_op_ops ops;
- int cur_opcode;
- static int run_once = 0;
-
- if (run_once)
- return;
- run_once = 1;
-
- cur_opcode = get_next_ir_opcodes(iro_$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);
$arch\_opcode_start = cur_opcode;
-ENDOFMAIN
+$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);
-open(OUT, ">$target_h") || die("Could not open $target_h, reason: $!\n");
+open(OUT, ">$target_h") || die("Fatal error: Could not open $target_h, reason: $!\n");
my $creation_time = localtime(time());
my $tmp = uc($arch);
#ifndef FIRM_BE_${tmp}_GEN_${tmp}_NEW_NODES_H
#define FIRM_BE_${tmp}_GEN_${tmp}_NEW_NODES_H
-EOF
+$obst_enum_op
+int is_${arch}_irn(const ir_node *node);
+int is_${arch}_op(const ir_op *op);
-print OUT @obst_enum_op;
-print OUT "int is_$arch\_irn(const ir_node *node);\n\n";
-print OUT "int get_$arch\_opcode_first(void);\n";
-print OUT "int get_$arch\_opcode_last(void);\n";
-print OUT "int get_$arch\_irn_opcode(const ir_node *node);\n";
-print OUT @obst_header;
-print OUT @obst_proj;
+int get_${arch}_opcode_first(void);
+int get_${arch}_opcode_last(void);
+int get_${arch}_irn_opcode(const ir_node *node);
+${obst_header}
+${obst_proj}
-print OUT <<EOF;
#endif
EOF
} elsif ($arity == $ARITY_DYNAMIC) {
return "oparity_dynamic";
} else {
- die "Unknown arity $arity";
+ die "Fatal error: Unknown arity $arity";
+ }
+}
+
+sub mangle_requirements {
+ my $reqs = shift;
+ my $class = shift;
+ my $flags = shift;
+
+ my @alternatives = split(/ /, $reqs);
+ for(my $idx = 0; $idx < scalar(@alternatives); $idx++) {
+ $alternatives[$idx] =~ s/!/not_/g;
}
+
+ @alternatives = sort @alternatives;
+
+ my $name = $class."_".join('_', @alternatives);
+ if (defined($flags)) {
+ $flags =~ s/\|/_/g;
+ $name .= "_$flags";
+ }
+
+ return $name;
+}
+
+###
+# Determines whether $name is a specified register class or not.
+# @return 1 if name is register class, 0 otherwise
+###
+sub is_reg_class {
+ my $name = shift;
+ return 1 if exists($reg_classes{"$name"});
+ return 0;
+}
+
+###
+# Returns the register class for a given register.
+# @return class or undef
+###
+sub get_reg_class {
+ my $reg = shift;
+ $reg = substr($reg, 1) if ($reg =~ /!.*/);
+ return $reg2class{"$reg"}{"class"} if (exists($reg2class{"$reg"}));
+ return undef;
+}
+
+###
+# Returns the index of a given register within its register class.
+# @return index or undef
+###
+sub get_reg_index {
+ my $reg = shift;
+ return $reg2class{"$reg"}{"index"} if (exists($reg2class{"$reg"}));
+ return undef;
}
###
-# Return the list of pointers for the given execution units.
+# Remember the register class for each index in the given requirements.
+# We need this information for requirements like "in_sX" or "out_dX"
+# @return array of classes corresponding to the requirement for each index
###
-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."]");
+sub build_inout_idx_class {
+ my $n = shift;
+ my $op = shift;
+ my $is_in = shift;
+ my @idx_class;
+
+ my $inout = ($is_in ? "in" : "out");
+
+ if (exists($n->{"reg_req"}{"$inout"})) {
+ my @reqs = @{ $n->{"reg_req"}{"$inout"} };
+
+ for (my $idx = 0; $idx <= $#reqs; $idx++) {
+ my $class = undef;
+ my ($req,) = split(/:/, $reqs[$idx]);
+
+ if ($req eq "none") {
+ $class = "none";
+ } elsif (is_reg_class($req)) {
+ $class = $req;
+ } else {
+ my @regs = split(/ /, $req);
+GET_CLASS: foreach my $reg (@regs) {
+ if ($reg =~ /!?(in|out)\_r\d+/ || $reg =~ /!in/) {
+ $class = "UNKNOWN_CLASS";
+ } else {
+ $class = get_reg_class($reg);
+ if (!defined $class) {
+ die("Fatal error: Could not get ".uc($inout)." register class for '$op' pos $idx (reg $reg) ... exiting.\n");
+ } else {
+ last GET_CLASS;
+ } # !defined class
+ } # if (reg =~ ...
+ } # foreach
+ } # if
+
+ push(@idx_class, $class);
+ } # for
+ } # if
+
+ return @idx_class;
+}
+
+###
+# Generates the function for a given $op and a given IN-index
+# which returns a subset of possible register from a register class
+# @return classname from which the subset is derived or undef and
+# pos which corresponds to in/out reference position or undef
+###
+sub build_subset_class_func {
+ my $neg = undef;
+ my $class = undef;
+ my $has_limit = 0;
+ my $limit_name;
+ my $same_pos = 0;
+ my $different_pos = 0;
+ my $temp;
+ my @obst_init;
+ my @obst_limits;
+ my @obst_ignore;
+ my @limit_array;
+ my $limit_reqs; #used for name mangling
+
+ # build function header
+ my $node = shift;
+ my $op = shift;
+ my $idx = shift;
+ my $is_in = shift;
+ my @regs = split(/ /, shift);
+ my $flags = shift;
+
+ my @idx_class = build_inout_idx_class($node, $op, !$is_in);
+
+ # set/unset registers
+CHECK_REQS: foreach (@regs) {
+ if (!$is_in && /(!)?in_r(\d+)/) {
+ my $bit_pos = 1 << ($2 - 1);
+ if ($different_pos & $bit_pos) {
+ if ($1) {
+ print STDERR "duplicate !in constraint\n";
+ } else {
+ print STDERR "conflicting !in and in constraints\n";
+ }
+ return (undef, undef, undef, undef);
}
+
+ if ($same_pos & $bit_pos) {
+ if ($1) {
+ print STDERR "conflicting !in and in constraints\n";
+ } else {
+ print STDERR "duplicate in constraint\n";
+ }
+ return (undef, undef, undef, undef);
+ }
+
+ if ($1) {
+ $different_pos |= $bit_pos;
+ } else {
+ $same_pos |= $bit_pos;
+ }
+
+ $class = $idx_class[$2 - 1];
+ next CHECK_REQS;
}
- 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."]");
- $found = 1;
- last TP_SEARCH;
- }
+
+ # check for negate
+ if (substr($_, 0, 1) eq "!") {
+ if (defined($neg) && $neg == 0) {
+ # we have seen a positiv constraint as first one but this one is negative
+ # this doesn't make sense
+ print STDERR "Mixed positive and negative constraints for the same slot are not allowed.\n";
+ return (undef, undef, undef, undef);
+ }
+
+ if (!defined($neg)) {
+ $has_limit = 1;
+ }
+
+ $_ = substr($_, 1); # skip '!'
+ $neg = 1;
+ } else {
+ if (defined($neg) && $neg == 1) {
+ # we have seen a negative constraint as first one but this one is positive
+ # this doesn't make sense
+ print STDERR "Mixed positive and negative constraints for the same slot are not allowed.\n";
+ return (undef, undef, undef, undef);
+ }
+
+ $has_limit = 1;
+ $neg = 0;
+ }
+
+ # check if register belongs to one of the given classes
+ $temp = get_reg_class($_);
+ if (!defined($temp)) {
+ print STDERR "Unknown register '$_'!\n";
+ return (undef, undef, undef, undef);
+ }
+
+ # set class
+ if (!defined($class)) {
+ $class = $temp;
+ } elsif ($class ne $temp) {
+ # all registers must belong to the same class
+ print STDERR "Registerclass mismatch. '$_' is not member of class '$class'.\n";
+ return (undef, undef, undef, undef);
+ }
+
+ # calculate position inside the initializer bitfield (only 32 bits per
+ # element)
+ my $regidx = get_reg_index($_);
+ my $arrayp = $regidx / 32;
+ push(@{$limit_array[$arrayp]}, $_);
+ $limit_reqs .= "$_ ";
+ }
+
+ # don't allow ignore regs in negative constraints
+ if($neg) {
+ my @cur_class = @{ $reg_classes{"$class"} };
+ for (my $idx = 0; $idx <= $#cur_class; $idx++) {
+ if (defined($cur_class[$idx]{"type"}) && ($cur_class[$idx]{"type"} & 4)) {
+ my $reg = $cur_class[$idx]{"name"};
+ my $regix = get_reg_index($reg);
+ my $arrayp = $regix / 32;
+ push(@{$limit_array[$arrayp]}, $reg);
+ $limit_reqs .= "$reg ";
+ }
+ }
+ }
+
+ if ($has_limit == 1) {
+ $limit_name = "${arch}_limit_".mangle_requirements($limit_reqs, $class);
+
+ if(defined($limit_bitsets{$limit_name})) {
+ $limit_name = $limit_bitsets{$limit_name};
+ return ($class, $limit_name, $same_pos, $different_pos);
+ }
+
+ $limit_bitsets{$limit_name} = $limit_name;
+
+ $obst_limit_func .= "static const unsigned $limit_name\[] = { ";
+ my $first = 1;
+ my $limitbitsetlen = $regclass2len{$class};
+ my $limitarraylen = ($limitbitsetlen+31) / 32;
+ for(my $i = 0; $i < $limitarraylen; $i++) {
+
+ my $limitarraypart = $limit_array[$i];
+ if($first) {
+ $first = 0;
+ } else {
+ $obst_limit_func .= ", ";
+ }
+ my $temp;
+ if($neg) {
+ $temp = "0xFFFFFFFF";
+ }
+ foreach my $reg (@{$limitarraypart}) {
+ if($neg) {
+ $temp .= " & ~";
+ } elsif(defined($temp)) {
+ $temp .= " | ";
}
+ my $firstreg = uc($reg_classes{$class}[0]->{"name"});
+ my $classuc = uc($class);
+ my $reguc = uc($reg);
+ $temp .= "BIT(REG_${classuc}_${reguc})";
}
+ $obst_limit_func .= $temp || "0";
+ }
+ $obst_limit_func .= " };\n";
+ }
- if (! $found) {
- print STDERR "Invalid execution unit $unit specified!\n";
+ return ($class, $limit_name, $same_pos, $different_pos);
+}
+
+###
+# Generate register requirements structure
+###
+sub generate_requirements {
+ my ($reqs, $flags) = split(/:/, shift);
+ my $node = shift;
+ my $op = shift;
+ my $idx = shift;
+ my $is_in = shift;
+ my $class = "";
+ my $width = 1;
+ my $result;
+
+ my @req_type_mask;
+ if (defined($flags)) {
+ foreach my $f (split(/|/, $flags)) {
+ if ($f eq "I") {
+ push(@req_type_mask, "arch_register_req_type_ignore");
+ } elsif ($f eq "S") {
+ push(@req_type_mask, "arch_register_req_type_produces_sp");
+ } elsif ($f eq "a") {
+ push(@req_type_mask, "arch_register_req_type_aligned");
+ } elsif ($f eq "2" or $f eq "4" or $f eq "8") {
+ $width = int($f);
}
}
}
- # 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";
+ if ($reqs eq "none") {
+
+ $result = <<EOF;
+{
+ arch_register_req_type_none,
+ NULL, /* regclass */
+ NULL, /* limit bitset */
+ 0, /* same pos */
+ 0, /* different pos */
+ 0 /* width */
+};
+
+EOF
+ } elsif (is_reg_class($reqs)) {
+ push(@req_type_mask, "arch_register_req_type_normal");
+ my $reqtype = join(" | ", @req_type_mask);
+ $class = $reqs;
+ $result = <<EOF;
+{
+ ${reqtype},
+ & ${arch}_reg_classes[CLASS_${arch}_${class}],
+ NULL, /* limit bitset */
+ 0, /* same pos */
+ 0, /* different pos */
+ $width /* width */
+};
+
+EOF
+
+ } else {
+ my ($regclass, $limit_bitset, $same_pos, $different_pos)
+ = build_subset_class_func($node, $op, $idx, $is_in, $reqs, $flags);
+
+ if (!defined($regclass)) {
+ die("Fatal error: Could not build subset for requirements '$reqs' of '$op' pos $idx ... exiting.\n");
+ }
+
+ if (defined($limit_bitset) && $limit_bitset ne "NULL") {
+ push(@req_type_mask, "arch_register_req_type_limited");
+ }
+ if ($same_pos != 0) {
+ push(@req_type_mask, "arch_register_req_type_should_be_same");
+ }
+ if ($different_pos != 0) {
+ push(@req_type_mask, "arch_register_req_type_must_be_different");
+ }
+ my $reqtype = join(" | ", @req_type_mask);
+
+ if(!defined($limit_bitset)) {
+ $limit_bitset = "NULL";
}
- $ret .= "\t\tNULL\n";
- $ret .= "\t};\n";
- $ret2 .= "\t\tallowed_units_$key,\n";
+
+ $class = $regclass;
+ $result = <<EOF;
+{
+ ${reqtype},
+ & ${arch}_reg_classes[CLASS_${arch}_${class}],
+ ${limit_bitset},
+ ${same_pos}, /* same pos */
+ ${different_pos}, /* different pos */
+ $width /* width */
+};
+
+EOF
}
- $ret2 .= "\t\tNULL\n";
- $ret .= "\tstatic const be_execution_unit_t **exec_units[] =\n";
- $ret .= "\t{\n";
- $ret .= $ret2;
- $ret .= "\t};\n";
+ my $name = "${arch}_requirements_".mangle_requirements($reqs, $class, $flags);
+ if(defined($requirements{$name})) {
+ return $name;
+ }
+ $requirements{$name} = $name;
+ $obst_reg_reqs .= "static const arch_register_req_t ${name} = ${result}\n";
- return $ret;
+ return $name;
}
projects / libfirm / blobdiff