my $specfile = $ARGV[0];
my $target_dir = $ARGV[1];
-my $target_c = $target_dir."/emitter_gen.c";
-my $target_h = $target_dir."/emitter_gen.h";
-
our $arch;
our %nodes;
}
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 $line;
+# some default emitter functions (Copy, Perm)
+
+$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, $line."\n");
+
+$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, $line);
+
+$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);
+
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."(FILE *F, ir_node *n)";
+ $line = "void emit_".$arch."_".$op."(ir_node *n, emit_env_t *env)";
push(@obst_header, $line.";\n");
- push(@obst_func, $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(@emit) {
+ foreach my $template (@emit) {
# substitute only lines, starting with a '.'
- if (/^(\d*)\.\s*/) {
+ if ($template =~ /^(\d*)\.\s*/) {
my @params;
- my $regkind;
+ my $res = "";
+ my $res2 = "";
my $indent = " "; # default indent is 2 spaces
$indent = " " x $1 if ($1 && $1 > 0);
# remove indent, dot and trailing spaces
- s/^\d*\.\s*//;
+ $template =~ s/^\d*\.\s*//;
# substitute all format parameter
- while (/%(([sd])(\d)|([co]))/) {
- if ($4 && $4 eq "c") {
- push(@params, "node_const_to_str(n)");
+ while ($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, "node_offset_to_str(n)");
+ elsif ($4 && $4 eq "O") {
+ push(@params, "n");
+ $res .= "\%O";
+ $res2 .= "\%O";
}
- else {
- $regkind = ($2 eq "s" ? "source" : "dest");
- push(@params, "get_".$regkind."_reg(n, $3)");
+ elsif ($4 && $4 eq "M") {
+ push(@params, "n");
+ $res .= "\%M";
+ $res2 .= "\%M";
}
- s/%$1/%%\%s/;
+ 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);
- push(@obst_func, $indent.'fprintf(F, "\t'.$_.'\n"'.$parm.');'."\n");
+
+ if ($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, $_,"\n");
+ push(@obst_func, $template,"\n");
}
}
push(@obst_func, "}\n\n");
my $creation_time = localtime(time());
+my $tmp = uc($arch);
+
print OUT<<EOF;
-#ifndef _EMITTER_GEN_H_
-#define _EMITTER_GEN_H_
+#ifndef _GEN_$tmp\_EMITTER_H_
+#define _GEN_$tmp\_EMITTER_H_
/**
* Function prototypes for the emitter functions.
*/
#include "irnode.h"
+#include "$arch\_emitter.h"
EOF
print OUT @obst_header;
-print OUT "#endif /* _EMITTER_GEN_H_ */\n";
+print OUT "#endif /* _GEN_$tmp\_EMITTER_H_ */\n";
close(OUT);
* created by: $0 $specfile $target_dir
* date: $creation_time
*/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
#include <stdio.h>
#include "irnode.h"
-#include "emitter_gen.h"
-#include "emitter.h"
+#include "gen_$arch\_emitter.h"
+#include "$arch\_new_nodes.h"
EOF