#!/usr/bin/perl -w
+#
+# Copyright (C) 1995-2007 University of Karlsruhe. All right reserved.
+#
+# This file is part of libFirm.
+#
+# This file may be distributed and/or modified under the terms of the
+# GNU General Public License version 2 as published by the Free Software
+# Foundation and appearing in the file LICENSE.GPL included in the
+# packaging of this file.
+#
+# Licensees holding valid libFirm Professional Edition licenses may use
+# this file in accordance with the libFirm Commercial License.
+# Agreement provided with the Software.
+#
+# This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+# WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE.
+#
+
# This script generates the C code which creates the irop's and
# their coresponding node constructors for all operations in a given spec
# so they can be used as normal firm nodes.
our $arch;
our $additional_opcodes;
our %nodes;
+our %operands;
our %cpu;
+our $default_attr_type;
+our $default_cmp_attr;
+our $default_copy_attr;
+our %init_attr;
+our %compare_attr;
+our %copy_attr;
+our %reg_classes;
# include spec file
no strict "subs";
unless ($return = do $specfile) {
- warn "couldn't parse $specfile: $@" if $@;
- warn "couldn't do $specfile: $!" unless defined $return;
- warn "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";
my $target_c = $target_dir."/gen_".$arch."_new_nodes.c.inl";
my $target_h = $target_dir."/gen_".$arch."_new_nodes.h";
+if(!defined($default_attr_type)) {
+ $default_attr_type = "${arch}_attr_t";
+}
+if(!defined(%init_attr)) {
+ %init_attr = (
+ "$default_attr_type" => "\tinit_${arch}_attributes(res, flags, in_reqs, out_reqs, exec_units, n_res, latency);",
+ );
+}
+if(!defined($default_cmp_attr)) {
+ $default_cmp_attr = "${arch}_compare_attr";
+}
+if(!defined(%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 $cmp_attr_func;
my $temp;
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;
+}
+
# for registering additional opcodes
$n_opcodes += $additional_opcodes if (defined($additional_opcodes));
push(@obst_enum_op, "typedef enum _$arch\_opcodes {\n");
foreach my $op (keys(%nodes)) {
my %n = %{ $nodes{"$op"} };
- my $tuple = 0;
- my $n_res = 0;
+ my $known_mode;
my $num_outs = 0;
+ my $out_arity;
my @out_flags;
- # determine arity from in requirements
- $arity = exists($n{"arity"}) ? $n{"arity"} : 0;
- if (exists($n{"reg_req"}) && exists($n{"reg_req"}{"in"})) {
+ # determine arity
+ $arity = 0;
+ if(exists($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
+ $out_arity = 0;
+ if(exists($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;
}
$orig_op = $op;
$op = $arch."_".$op;
$temp = "";
- # define some proj numbers
+ # define proj numbers and in numbers
if (exists($n{"outs"})) {
undef my @outs;
@outs = @{ $n{"outs"} };
+ if($out_arity >= 0 && scalar(@outs) != $out_arity) {
+ 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");
for (my $idx = 0; $idx <= $#outs; $idx++) {
# check, if we have additional flags annotated to out
- if ($outs[$idx] =~ /:(S|I(\|(S|I))*)/) {
+ if ($outs[$idx] =~ /:((S|I)(\|(S|I))*)/) {
push(@out_flags, $1);
- $outs[$idx] =~ s/:(S|I(\|(S|I))*)//;
+ $outs[$idx] =~ s/:((S|I)(\|(S|I))*)//;
}
- push(@obst_proj, " pn_$op\_".$outs[$idx]." = $idx,\n");
+ push(@obst_proj, "\tpn_$op\_".$outs[$idx]." = $idx,\n");
+ }
+
+ push(@obst_proj, "};\n");
+ # outs have names, it must be a mode_T node
+ $known_mode = "mode_T";
+ }
+ if (exists($n{"ins"})) {
+ undef my @ins;
+
+ @ins = @{ $n{"ins"} };
+ if($arity >= 0 && scalar(@ins) != $arity) {
+ 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");
}
push(@obst_proj, "};\n");
- $tuple = 1;
+ }
+
+ # determine mode
+ if (exists($n{"mode"})) {
+ $known_mode = $n{"mode"};
}
push(@obst_opvar, "ir_op *op_$op = NULL;\n");
push(@obst_header, "ir_op *get_op_$op(void);\n");
push(@obst_header, "int is_$op(const ir_node *n);\n");
- $cmp_attr_func = 0;
- # create compare attribute function if needed
+ my $attr_type= $n{"attr_type"};
+ if(!defined($attr_type)) {
+ $attr_type = $default_attr_type;
+ }
+
+ # determine compare function
+ my $cmp_attr_func;
if (exists($n{"cmp_attr"})) {
+ my $cmpcode = $n{"cmp_attr"};
+
push(@obst_cmp_attr, "static int cmp_attr_$op(ir_node *a, ir_node *b) {\n");
- push(@obst_cmp_attr, " $arch\_attr_t *attr_a = get_$arch\_attr(a);\n");
- push(@obst_cmp_attr, " $arch\_attr_t *attr_b = get_$arch\_attr(b);\n");
- push(@obst_cmp_attr, " (void) attr_a;\n");
- push(@obst_cmp_attr, " (void) attr_b;\n");
- push(@obst_cmp_attr, $n{"cmp_attr"});
+ if($cmpcode =~ m/attr_a/) {
+ push(@obst_cmp_attr, "\t${attr_type} *attr_a = get_irn_generic_attr(a);\n");
+ } else {
+ push(@obst_cmp_attr, "\t(void) a;\n");
+ }
+ if($cmpcode =~ m/attr_b/) {
+ push(@obst_cmp_attr, "\t${attr_type} *attr_b = get_irn_generic_attr(b);\n");
+ } else {
+ push(@obst_cmp_attr, "\t(void) b;\n");
+ }
+ push(@obst_cmp_attr, "\t${cmpcode}\n");
push(@obst_cmp_attr, "}\n\n");
- $cmp_attr_func = 1;
+ $cmp_attr_func = "cmp_attr_${op}";
+ } 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
- }
- else {
- $n{"comment"} = "construct $op" if(!exists($n{"comment"}));
- $n{"comment"} =~ s/^"|"$//g; # remove "
- $n{"comment"} = "/* ".$n{"comment"}." */\n";
- push(@obst_constructor, $n{"comment"});
+ } 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 = "";
- my $arg_names = "";
$temp = "";
$temp = "ir_node *new_rd_$op(dbg_info *db, ir_graph *irg, ir_node *block";
- if (!exists($n{"args"}) || $n{"args"} =~ /^DEFAULT$/i) { # default args
- if ($arity !~ /^\d+$/) {
- print "DEFAULT args require numeric arity (0, 1, 2, ...)! Ignoring op $orig_op!\n";
- next;
+ if (!exists($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}";
+ }
}
- for (my $i = 1; $i <= $arity; $i++) {
- $complete_args .= ", ir_node *op".$i;
- $arg_names .= ", op".$i;
+ if ($out_arity == $ARITY_VARIABLE) {
+ $complete_args .= ", int n_res";
}
- if ($tuple == 0) {
+
+ if (!defined($known_mode)) {
$complete_args .= ", ir_mode *mode";
- $arg_names .= ", mode";
}
- }
- else { # user defined args
+ } 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"};
- $arg_names .= ", ".$href->{"name"};
}
}
$complete_args .= ", ".$n{"attr"};
}
- # $complete_args = substr($complete_args, 2);
$temp .= "$complete_args)";
- push(@obst_constructor, $temp." {\n");
- push(@obst_header, $n{"comment"});
+ push(@obst_constructor, $temp."\n{\n");
+ push(@obst_header, $comment);
push(@obst_header, $temp.";\n");
# emit constructor code
- if (!exists($n{"rd_constructor"}) || $n{"rd_constructor"} =~ /^DEFAULT$/i) { # default constructor
- if ($arity !~ /^\d+$/) {
- print "DEFAULT rd_constructor requires numeric arity! Ignoring op $orig_op!\n";
- next;
+ if (!exists($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 = -1;\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) {
+ $temp .= "\tint n_res = -1;\n";
+ } elsif($out_arity == $ARITY_VARIABLE) {
+ } else {
+ $temp .= "\tint n_res = ${out_arity};\n";
}
- $temp = " ir_node *res;\n";
- $temp .= " ir_node *in[$arity];\n" if ($arity > 0);
- $temp .= " int flags = 0;\n";
- $temp .= " $arch\_attr_t *attr;\n" if (exists($n{"init_attr"}));
+ 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";
+ }
- my $exec_units = "NULL";
# set up static variables for cpu execution unit assigments
if (exists($n{"units"})) {
$temp .= gen_execunit_list_initializer($n{"units"});
- $exec_units = "_exec_units";
+ } else {
+ $temp .= "\tstatic const be_execution_unit_t ***exec_units = NULL;\n";
}
undef my $in_req_var;
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, $op, $idx, 1);
+ }
+ for(my $idx = 0; $idx < $#out; $idx++) {
+ my $req = $out[$idx];
+ generate_requirements($req, \%n, $op, $idx, 0);
+ }
+
if (@in) {
- $in_req_var = "_in_req_$op";
- $temp .= " static const $arch\_register_req_t *".$in_req_var."[] =\n {\n";
+ if($arity >= 0 && scalar(@in) != $arity) {
+ die "Fatal error: 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++) {
- $temp .= " ".$op."_reg_req_in_".$idx.",\n";
+ my $req = $in[$idx];
+ my $reqstruct = generate_requirements($req, \%n, $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 .= " };\n";
+ $temp .= "\tstatic const arch_register_req_t **in_reqs = NULL;\n";
}
if (@out) {
- $out_req_var = "_out_req_$op";
+ if($out_arity >= 0 && scalar(@out) != $out_arity) {
+ die "Fatal error: Out-Arity and number of out requirements don't match for ${op}\n";
+ }
- $temp .= " static const $arch\_register_req_t *".$out_req_var."[] =\n {\n";
+ $temp .= "\tstatic const arch_register_req_t *out_reqs[] =\n";
+ $temp .= "\t{\n";
for ($idx = 0; $idx <= $#out; $idx++) {
- $temp .= " ".$op."_reg_req_out_".$idx.",\n";
+ my $req = $out[$idx];
+ my $reqstruct = generate_requirements($req, \%n, $op, $idx, 0);
+ $temp .= "\t\t& ${reqstruct},\n";
}
- $temp .= " };\n";
+ $temp .= "\t};\n";
+ } else {
+ if($out_arity > 0) {
+ die "Fatal error: 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";
- $temp .= " if (!op_$op) {\n";
- $temp .= " assert(0);\n";
- $temp .= " return NULL;\n";
- $temp .= " }\n\n";
- for (my $i = 1; $i <= $arity; $i++) {
- $temp .= " in[".($i - 1)."] = op".$i.";\n";
+
+ if($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") {
- $temp .= " flags |= arch_irn_flags_rematerializable; /* op can be easily recalculated */\n";
- }
- elsif ($flag eq "N") {
- $temp .= " flags |= arch_irn_flags_dont_spill; /* op is NOT spillable */\n";
- }
- elsif ($flag eq "I") {
- $temp .= " flags |= arch_irn_flags_ignore; /* ignore op for register allocation */\n";
- }
- elsif ($flag eq "S") {
- $temp .= " flags |= arch_irn_flags_modify_sp; /* op modifies stack pointer */\n";
+ $temp .= "\tflags |= arch_irn_flags_rematerializable;\n";
+ } elsif ($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";
}
- my $in_param;
- my $out_param;
- # allocate memory and set pointer to register requirements
- if (exists($n{"reg_req"})) {
- my %req = %{ $n{"reg_req"} };
-
- undef my @in;
- @in = @{ $req{"in"} } if (exists($req{"in"}));
- undef my @out;
- @out = @{ $req{"out"} } if exists(($req{"out"}));
-
- if (@in) {
- $in_param = $in_req_var;
- }
- else {
- $in_param = "NULL";
- }
-
- if (@out) {
- $n_res = $#out + 1;
- $out_param = "$out_req_var, $exec_units, $n_res";
- }
- else {
- $out_param = "NULL, $exec_units, 0";
- }
- }
- else {
- $in_param = "NULL";
- $out_param = "NULL, $exec_units, 0";
- }
- $temp .= "\n /* create node */\n";
-
- my $latency = 1;
- if (exists($n{"latency"})) {
- $latency = $n{"latency"};
- }
+ $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";
- my $mode = "mode";
- if ($tuple == 1) {
- $mode = "mode_T";
+ $temp .= "\t/* init node attributes */\n";
+ # lookup init function
+ my $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}'";
}
- $temp .= " res = new_ir_node(db, irg, block, op_$op, $mode, $arity, ".($arity > 0 ? "in" : "NULL").");\n";
-
- $temp .= "\n /* init node attributes */\n";
- $temp .= " init_$arch\_attributes(res, flags, $in_param, $out_param, $latency);\n";
+ $temp .= "${attr_init_code}\n";
+ $temp .= "\n";
# set flags for outs
if ($#out_flags >= 0) {
- $temp .= "\n /* set flags for outs */\n";
+ $temp .= "\t/* set flags for outs */\n";
for (my $idx = 0; $idx <= $#out_flags; $idx++) {
my $flags = "";
my $prefix = "";
}
}
- $temp .= " set_$arch\_out_flags(res, $flags, $idx);\n";
+ $temp .= "\tset_$arch\_out_flags(res, $flags, $idx);\n";
}
+ $temp .= "\n";
}
if (exists($n{"init_attr"})) {
- $temp .= " attr = get_$arch\_attr(res);\n";
- $temp .= $n{"init_attr"}."\n";
+ $temp .= "\tattr = get_irn_generic_attr(res);\n";
+ $temp .= "\t".$n{"init_attr"}."\n";
}
- $temp .= "\n /* optimize node */\n";
- $temp .= " res = optimize_node(res);\n";
- $temp .= " irn_vrfy_irg(res, irg);\n\n";
+ $temp .= "\t/* optimize node */\n";
+ $temp .= "\tres = optimize_node(res);\n";
+ $temp .= "\tirn_vrfy_irg(res, irg);\n";
+ $temp .= "\n";
- $temp .= "\n return res;\n";
+ $temp .= "\treturn res;\n";
push(@obst_constructor, $temp);
}
$n{"op_flags"} = "N" if (! exists($n{"op_flags"}));
- push(@obst_new_irop, "\n memset(&ops, 0, sizeof(ops));\n");
- push(@obst_new_irop, " ops.dump_node = $arch\_dump_node;\n");
+ push(@obst_new_irop, "\n\tmemset(&ops, 0, sizeof(ops));\n");
+ push(@obst_new_irop, "\tops.dump_node = $arch\_dump_node;\n");
- if ($cmp_attr_func) {
- push(@obst_new_irop, " ops.node_cmp_attr = cmp_attr_$op;\n");
+ if (defined($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");
}
$n_opcodes++;
- $temp = " op_$op = new_ir_op(cur_opcode + iro_$op, \"$op\", op_pin_state_".$n{"state"}.", ".$n{"op_flags"};
- $temp .= "|M, ".translate_arity($arity).", 0, sizeof($arch\_attr_t) + $n_res * sizeof(arch_register_t *), &ops);\n";
+ my $n_res = $out_arity;
+ if($n_res < 0) {
+ $n_res = "20"; # hacky....
+ }
+ $temp = "\top_$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}), &ops);\n";
push(@obst_new_irop, $temp);
- push(@obst_new_irop, " set_op_tag(op_$op, &$arch\_op_tag);\n");
- push(@obst_enum_op, " iro_$op,\n");
+ push(@obst_new_irop, "\tset_op_tag(op_$op, &$arch\_op_tag);\n");
+ push(@obst_enum_op, "\tiro_$op,\n");
push(@obst_header, "\n");
}
-push(@obst_enum_op, " iro_$arch\_last_generated,\n");
-push(@obst_enum_op, " iro_$arch\_last = iro_$arch\_last_generated");
+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} $arch\_opcodes;\n\n");
# emit the code
-open(OUT, ">$target_c") || die("Could not open $target_c, reason: $!\n");
+open(OUT, ">$target_c") || die("Fatal error: Could not open $target_c, reason: $!\n");
-print OUT "#include \"gen_$arch\_regalloc_if_t.h\"\n\n";
+print OUT "#include \"gen_$arch\_regalloc_if.h\"\n\n";
print OUT @obst_cmp_attr;
print OUT "\n";
print OUT @obst_opvar;
$d = uc(substr($arch, 3, 1));
}
-print OUT "static unsigned $arch\_op_tag = FOURCC('$a', '$b', '$c', '$d');\n";
-
print OUT<<ENDOFISIRN;
+/** 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');
+
/** Return the opcode number of the first $arch opcode. */
int get_$arch\_opcode_first(void) {
- return $arch\_opcode_start;
+ return $arch\_opcode_start;
}
/** Return the opcode number of the last $arch opcode + 1. */
int get_$arch\_opcode_last(void) {
- return $arch\_opcode_end;
+ return $arch\_opcode_end;
+}
+
+/** 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 1 if the given node is a $arch machine node, 0 otherwise */
int is_$arch\_irn(const ir_node *node) {
- return get_op_tag(get_irn_op(node)) == &$arch\_op_tag;
+ return is_$arch\_op(get_irn_op(node));
}
int get_$arch\_irn_opcode(const ir_node *node) {
- if (is_$arch\_irn(node))
- return get_irn_opcode(node) - $arch\_opcode_start;
- return -1;
+ if (is_$arch\_irn(node))
+ return get_irn_opcode(node) - $arch\_opcode_start;
+ return -1;
}
ENDOFISIRN
+print OUT <<END;
+#ifdef BIT
+#undef BIT
+#endif
+#define BIT(x) (1 << (x % 32))
+
+END
+
+print OUT @obst_limit_func;
+print OUT "\n";
+
+print OUT @obst_reg_reqs;
+print OUT "\n";
+
print OUT @obst_constructor;
print OUT<<ENDOFMAIN;
#define O irop_flag_machine_op
#define R (irop_flag_user << 0)
- ir_op_ops ops;
- int cur_opcode = get_next_ir_opcodes(iro_$arch\_last);
+ ir_op_ops ops;
+ int cur_opcode;
+ static int run_once = 0;
+
+ if (run_once)
+ return;
+ run_once = 1;
- $arch\_opcode_start = cur_opcode;
+ cur_opcode = get_next_ir_opcodes(iro_$arch\_last);
+
+ $arch\_opcode_start = cur_opcode;
ENDOFMAIN
print OUT @obst_new_irop;
print OUT "\n";
-print OUT " $arch\_register_additional_opcodes(cur_opcode);\n" if (defined($additional_opcodes));
-print OUT " $arch\_opcode_end = cur_opcode + iro_$arch\_last";
+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";
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);
+
+print OUT<<EOF;
+/**
+ * \@file
+ * \@brief Function prototypes for the new opcode functions.
+ * \@note DO NOT EDIT THIS FILE, your changes will be lost.
+ * Edit $specfile instead.
+ * created by: $0 $specfile $target_dir
+ * \@date $creation_time
+ */
+#ifndef FIRM_BE_${tmp}_GEN_${tmp}_NEW_NODES_H
+#define FIRM_BE_${tmp}_GEN_${tmp}_NEW_NODES_H
+
+EOF
-print OUT "#ifndef __GEN_$arch\_NEW_NODES_H__\n";
-print OUT "#define __GEN_$arch\_NEW_NODES_H__\n\n";
print OUT @obst_enum_op;
print OUT "int is_$arch\_irn(const ir_node *node);\n\n";
print OUT "int get_$arch\_opcode_first(void);\n";
print OUT "int get_$arch\_irn_opcode(const ir_node *node);\n";
print OUT @obst_header;
print OUT @obst_proj;
-print OUT "\n#endif /* __GEN_$arch\_NEW_NODES_H__ */\n";
+
+print OUT <<EOF;
+#endif
+EOF
close(OUT);
return "oparity_trinary";
}
else {
- return "$arity";
+ return "oparity_any";
}
- }
- else {
- return "oparity_".$arity;
+ } elsif ($arity == $ARITY_VARIABLE) {
+ return "oparity_variable";
+ } elsif ($arity == $ARITY_DYNAMIC) {
+ return "oparity_dynamic";
+ } else {
+ die "Fatal error: Unknown arity $arity";
}
}
foreach my $unit (@{ $units }) {
if ($unit eq "DUMMY") {
- $init{"DUMMY"} = " &be_machine_execution_units_DUMMY[0]";
+ 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
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"} }, " &".$tp_name."[".$unit_name."]");
+ push(@{ $init{"$unit"} }, "\t\t&".$tp_name."[".$unit_name."]");
}
}
else {
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"} }, " &".$tp_name."[".$unit_name."]");
+ push(@{ $init{"$unit"} }, "\t\t&".$tp_name."[".$unit_name."]");
$found = 1;
last TP_SEARCH;
}
# prepare the 2-dim array init
foreach my $key (keys(%init)) {
- $ret .= " static const be_execution_unit_t *_allowed_units_".$key."[] =\n {\n";
+ $ret .= "\tstatic const be_execution_unit_t *allowed_units_".$key."[] =\n";
+ $ret .= "\t{\n";
foreach (@{ $init{"$key"} }) {
$ret .= "$_,\n";
}
- $ret .= " NULL\n";
- $ret .= " };\n";
- $ret2 .= " _allowed_units_$key,\n";
+ $ret .= "\t\tNULL\n";
+ $ret .= "\t};\n";
+ $ret2 .= "\t\tallowed_units_$key,\n";
}
- $ret2 .= " NULL\n";
+ $ret2 .= "\t\tNULL\n";
- $ret .= " static const be_execution_unit_t **_exec_units[] =\n {\n".$ret2." };\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 @alternatives = split(/ /, $reqs);
+ for(my $idx = 0; $idx < scalar(@alternatives); $idx++) {
+ $alternatives[$idx] =~ s/!/not_/g;
+ }
+
+ @alternatives = sort @alternatives;
+
+ my $name = join('_', @alternatives);
+
+ 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 it's register class.
+# @return index or undef
+###
+sub get_reg_index {
+ my $reg = shift;
+ return $reg2class{"$reg"}{"index"} if (exists($reg2class{"$reg"}));
+ return undef;
+}
+
+###
+# 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 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 $class = undef;
+
+ if ($reqs[$idx] eq "none") {
+ $class = "none";
+ } elsif (is_reg_class($reqs[$idx])) {
+ $class = $reqs[$idx];
+ } else {
+ my @regs = split(/ /, $reqs[$idx]);
+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 = undef;
+ my $different_pos = undef;
+ 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 $outin = $is_in ? "out" : "in";
+
+ my @idx_class = build_inout_idx_class($node, $op, !$is_in);
+
+ # set/unset registers
+CHECK_REQS: foreach (@regs) {
+ if (/(!)?$outin\_r(\d+)/) {
+ if (($1 && defined($different_pos)) || (!$1 && defined($same_pos))) {
+ print STDERR "Multiple in/out references of same type in one requirement not allowed.\n";
+ return (undef, undef, undef, undef);
+ }
+
+ if ($1) {
+ $different_pos = $is_in ? -$2 : $2 - 1;
+ } else {
+ $same_pos = $is_in ? -$2 : $2 - 1;
+ }
+
+ $class = $idx_class[$2 - 1];
+ next CHECK_REQS;
+ } elsif (/!in/) {
+ $class = $idx_class[0];
+ return ($class, "NULL", undef, 666);
+ }
+
+ # 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($limit_reqs);
+
+ if(defined($limit_bitsets{$limit_name})) {
+ return $limit_bitsets{$limit_name};
+ }
+
+ $limit_bitsets{$limit_name} = $limit_name;
+
+ push(@obst_limit_func, "static const unsigned " . $limit_name . "[] = { ");
+ my $first = 1;
+ my $limitbitsetlen = $regclass2len{$class};
+ my $limitarraylen = $limitbitsetlen / 32 + ($limitbitsetlen % 32 > 0 ? 1 : 0);
+ for(my $i = 0; $i < $limitarraylen; $i++) {
+
+ my $limitarraypart = $limit_array[$i];
+ if($first) {
+ $first = 0;
+ } else {
+ push(@obst_limit_func, ", ");
+ }
+ my $temp;
+ if($neg) {
+ $temp = "0xFFFFFFFF";
+ }
+ foreach my $reg (@{$limitarraypart}) {
+ if($neg) {
+ $temp .= " & ~";
+ } elsif(defined($temp)) {
+ $temp .= " | ";
+ }
+ $temp .= "BIT(REG_".uc(${reg}).")";
+ }
+ if(defined($temp)) {
+ push(@obst_limit_func, "${temp}");
+ } else {
+ push(@obst_limit_func, "0");
+ }
+ }
+ push(@obst_limit_func, " };\n");
+ }
+
+ return ($class, $limit_name, $same_pos, $different_pos);
+}
+
+###
+# Generate register requirements structure
+###
+sub generate_requirements {
+ my $reqs = shift;
+ my $node = shift;
+ my $op = shift;
+ my $idx = shift;
+ my $is_in = shift;
+
+ my $name = "${arch}_requirements_".mangle_requirements($reqs);
+ if(defined($requirements{$name})) {
+ return $name;
+ }
+ $requirements{$name} = $name;
+
+ if ($reqs eq "none") {
+ push(@obst_reg_reqs, <<EOF);
+static const arch_register_req_t $name = {
+ arch_register_req_type_none,
+ NULL, /* regclass */
+ NULL, /* limit bitset */
+ -1, /* same pos */
+ -1 /* different pos */
+};
+
+EOF
+ } elsif ($reqs =~ /^new_reg_(.*)$/) {
+ if(!is_reg_class($1)) {
+ die "$1 is not a register class in requirements for $op\n";
+ }
+ push(@obst_reg_reqs, <<EOF);
+static const arch_register_req_t $name = {
+ arch_register_req_type_should_be_different_from_all,
+ & ${arch}_reg_classes[CLASS_${arch}_$1],
+ NULL, /* limit bitset */
+ -1, /* same pos */
+ -1 /* different pos */
+};
+
+EOF
+ } elsif (is_reg_class($reqs)) {
+ push(@obst_reg_reqs, <<EOF);
+static const arch_register_req_t $name = {
+ arch_register_req_type_normal,
+ & ${arch}_reg_classes[CLASS_${arch}_${reqs}],
+ NULL, /* limit bitset */
+ -1, /* same pos */
+ -1 /* different pos */
+};
+
+EOF
+
+ } else {
+ my @req_type_mask;
+ my ($class, $limit_bitset, $same_pos, $different_pos)
+ = build_subset_class_func($node, $op, $idx, $is_in, $reqs);
+
+ if (!defined($class)) {
+ die("Fatal error: Could not build subset for requirements '$reqs' of '$op' pos $idx ... exiting.\n");
+ }
+
+ if (defined($limit_bitset) && $limit_bitset ne "NULL") {
+ push(@req_type_mask, "arch_register_req_type_limited");
+ }
+ if (defined($same_pos)) {
+ push(@req_type_mask, "arch_register_req_type_should_be_same");
+ }
+ if (defined($different_pos)) {
+ if ($different_pos == 666) {
+ push(@req_type_mask, "arch_register_req_type_should_be_different_from_all");
+ undef $different_pos;
+ } else {
+ push(@req_type_mask, "arch_register_req_type_should_be_different");
+ }
+ }
+ my $reqtype = join(" | ", @req_type_mask);
+
+ if(!defined($limit_bitset)) {
+ $limit_bitset = "NULL";
+ }
+ my $same_pos_str = (defined($same_pos) ? $same_pos : "-1");
+ my $different_pos_str = (defined($different_pos) ? $different_pos : "-1");
+
+ push(@obst_reg_reqs, <<EOF);
+static const arch_register_req_t $name = {
+ $reqtype,
+ & ${arch}_reg_classes[CLASS_${arch}_${class}],
+ $limit_bitset,
+ $same_pos_str, /* same pos */
+ $different_pos_str, /* different pos */
+};
+
+EOF
+ }
+
+ return $name;
+}
projects / libfirm / blobdiff