#!/usr/bin/perl -w
+#
+# Copyright (C) 1995-2008 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 C code which emits assembler code for the
# assembler ir nodes. It takes a "emit" key from the node specification
# and substitutes lines starting with . with a corresponding fprintf().
-# Creation: 2005/11/07
-# $Id$
use strict;
use Data::Dumper;
-my $specfile = $ARGV[0];
-my $target_dir = $ARGV[1];
+our $specfile = $ARGV[0];
+our $target_dir = $ARGV[1];
our $arch;
our %nodes;
-# include spec file
-
my $return;
no strict "subs";
unless ($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."_emitter.c";
my $target_h = $target_dir."/gen_".$arch."_emitter.h";
-# stacks for output
-my @obst_func; # stack for the emit functions
-my @obst_header; # stack for the function prototypes
-my $line;
+# buffers for output
+my $obst_func = ""; # buffer for the emit functions
+my $obst_register = ""; # buffer for emitter register code
-# some default emitter functions (Copy, Perm)
-$line = "#undef is_ia32_Perm\n";
-$line .= "#define is_ia32_Perm(irn) (arch_irn_classify(arch_env, irn) == arch_irn_class_perm && ! is_Proj(irn))\n";
-$line .= "#undef is_ia32_Copy\n";
-$line .= "#define is_ia32_Copy(irn) (arch_irn_classify(arch_env, irn) == arch_irn_class_copy)\n";
-push(@obst_header, $line."\n");
+foreach my $op (keys(%nodes)) {
+ my %n = %{ $nodes{"$op"} };
-$line = "void emit_".$arch."_Copy(ir_node *n, emit_env_t *env)";
-push(@obst_header, $line.";\n");
-$line .= " {\n FILE *F = env->out;\n";
-$line .= ' lc_efprintf(ia32_get_arg_env(), F, "\tmov %1S, %1D\t\t\t/* %+F */\n", n, n, n);'."\n}\n\n";
-push(@obst_func, $line);
+ # skip this node description if no emit information is available
+ next if (!defined($n{"emit"}));
-$line = "void emit_".$arch."_Perm(ir_node *n, emit_env_t *env)";
-push(@obst_header, $line.";\n");
-$line .= " {\n FILE *F = env->out;\n";
-$line .= ' lc_efprintf(ia32_get_arg_env(), F, "\txchg %1S, %1D\t\t\t/* %+F */\n", n, n, n);'."\n}\n\n";
-push(@obst_func, $line);
+ if ($n{"emit"} eq "") {
+ $obst_register .= "\tbe_set_emitter(op_${arch}_${op}, be_emit_nothing);\n";
+ next;
+ }
-foreach my $op (keys(%nodes)) {
- my %n = %{ $nodes{"$op"} };
-
- # skip this node description if no emit information is available
- next if (!$n{"emit"} || length($n{"emit"}) < 1);
-
- $line = "void emit_".$arch."_".$op."(ir_node *n, emit_env_t *env)";
- push(@obst_header, $line.";\n");
- push(@obst_func, $line." {\n FILE *F = env->out;\n");
-
- my $cio = 0;
- # check in/out register if needed
- if (exists($n{"check_inout"}) && $n{"check_inout"} == 1) {
- push(@obst_func, " equalize_dest_src(F, n);\n\n");
- $cio = 1;
- }
-
- my @emit = split(/\n/, $n{"emit"});
-
- foreach my $template (@emit) {
- # substitute only lines, starting with a '.'
- if ($template =~ /^(\d*)\.\s*/) {
- my @params;
- my $res = "";
- my $res2 = "";
- my $indent = " "; # default indent is 2 spaces
-
- $indent = " " x $1 if ($1 && $1 > 0);
- # remove indent, dot and trailing spaces
- $template =~ s/^\d*\.\s*//;
- # substitute all format parameter
- while ($template =~ /\%(([ASD])(\d)|([COM]))/) {
- $res .= $`; # get everything before the match
- $res2 .= $`;
-
- if ($4 && $4 eq "C") {
- push(@params, "n");
- $res .= "\%C";
- $res2 .= "\%C";
- }
- elsif ($4 && $4 eq "O") {
- push(@params, "n");
- $res .= "\%O";
- $res2 .= "\%O";
- }
- elsif ($4 && $4 eq "M") {
- push(@params, "n");
- $res .= "\%M";
- $res2 .= "\%M";
- }
- elsif ($2 && $2 eq "S") {
- push(@params, "n");
- if ($cio && $3 == 2) {
- # check_in_out was set: if (s1 != d1) we
- # need to exchange s2 by s1
- $res2 .= "%1S"; # get name for first register
- }
- else {
- $res2 .= "%".$3."S"; # substitute %sx with %xs
- }
- $res .= "%".$3."S"; # substitute %sx with %xs
- }
- elsif ($2 && $2 eq "D") {
- push(@params, "n");
- $res .= "%".$3."D"; # substitute %sx with %xs
- $res2 .= "%".$3."D"; # substitute %sx with %xs
- }
- elsif ($2 && $2 eq "A") {
- push(@params, "get_irn_n(n, ".($3 - 1).")");
- $res .= "%+F";
- $res2 .= "%+F";
- }
-
- $template = $'; # scan everything after the match
- }
- $res .= $template; # get the remaining string
- $res2 .= $template; # get the remaining string
-
- my $parm = "";
- $parm = ", ".join(", ", @params) if (@params);
-
- if ($cio) {
- push(@obst_func, $indent."if (get_irn_arity(n) > 1 && get_$arch\_reg_nr(n, 1, 1) == get_$arch\_reg_nr(n, 0, 0)) {\n");
- push(@obst_func, $indent.' lc_efprintf(ia32_get_arg_env(), F, "\t'.$res2.'\n"'.$parm.');'."\n");
- push(@obst_func, $indent."}\n");
- push(@obst_func, $indent."else {\n");
- push(@obst_func, $indent.' lc_efprintf(ia32_get_arg_env(), F, "\t'.$res.'\n"'.$parm.');'."\n");
- push(@obst_func, $indent."}\n");
- }
- else {
- push(@obst_func, $indent.'lc_efprintf(ia32_get_arg_env(), F, "\t'.$res.'\n"'.$parm.');'."\n");
- }
- }
- else {
- push(@obst_func, $template,"\n");
- }
- }
- push(@obst_func, "}\n\n");
+ $obst_register .= "\tbe_set_emitter(op_${arch}_${op}, emit_${arch}_${op});\n";
+
+ $obst_func .= "static void emit_${arch}_${op}(ir_node const *const node)\n";
+ $obst_func .= "{\n";
+
+ my @emit = split(/\n/, $n{"emit"});
+
+ foreach my $template (@emit) {
+ if ($template ne '') {
+ $obst_func .= "\t${arch}_emitf(node, \"$template\");\n";
+ }
+ }
+
+ $obst_func .= "}\n\n";
}
open(OUT, ">$target_h") || die("Could not open $target_h, reason: $!\n");
my $tmp = uc($arch);
print OUT<<EOF;
-#ifndef _GEN_$tmp\_EMITTER_H_
-#define _GEN_$tmp\_EMITTER_H_
-
/**
- * Function prototypes for the emitter functions.
- * DO NOT EDIT THIS FILE, your changes will be lost.
- * Edit $specfile instead.
- * created by: $0 $specfile $target_dir
- * date: $creation_time
+ * \@file
+ * \@brief Function prototypes for the emitter 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_${tmp}_EMITTER_H
+#define FIRM_BE_${tmp}_GEN_${tmp}_EMITTER_H
#include "irnode.h"
-#include "$arch\_emitter.h"
+#include "${arch}_emitter.h"
-EOF
+void ${arch}_register_spec_emitters(void);
-print OUT @obst_header;
+#endif
-print OUT "#endif /* _GEN_$tmp\_EMITTER_H_ */\n";
+EOF
close(OUT);
print OUT<<EOF;
/**
- * Generated functions to emit code for assembler ir nodes.
- * DO NOT EDIT THIS FILE, your changes will be lost.
- * Edit $specfile instead.
- * created by: $0 $specfile $target_dir
- * date: $creation_time
+ * \@file
+ * \@brief Generated functions to emit code for assembler ir nodes.
+ * \@note DO NOT EDIT THIS FILE, your changes will be lost.
+ * Edit $specfile instead.
+ * created by: $0 $specfile $target_dir
+ * \@date $creation_time
*/
+#include "config.h"
#include <stdio.h>
+#include <assert.h>
#include "irnode.h"
-#include "gen_$arch\_emitter.h"
-#include "$arch\_new_nodes.h"
+#include "irop_t.h"
+#include "irprog_t.h"
+#include "beemitter.h"
-EOF
+#include "gen_${arch}_emitter.h"
+#include "${arch}_new_nodes.h"
+#include "${arch}_emitter.h"
-print OUT @obst_func;
+$obst_func
+
+/**
+ * Enters the emitter functions for handled nodes into the generic
+ * pointer of an opcode.
+ */
+void $arch\_register_spec_emitters(void)
+{
+$obst_register
+}
+
+EOF
close(OUT);
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