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x86_64-xlate.pl: allow "base-less" effective address, add palignr, move

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pclmulqdq.
This commit is contained in:
Andy Polyakov
2011-05-16 17:44:38 +00:00
parent b9b0a177f8
commit b5c6aab57e
2 changed files with 33 additions and 33 deletions
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28
crypto/modes/asm/ghash-x86_64.pl
View File

@@ -798,35 +798,7 @@ se_handler:
___
}
sub rex {
local *opcode=shift;
my ($dst,$src)=@_;
if ($dst>=8 || $src>=8) {
$rex=0x40;
$rex|=0x04 if($dst>=8);
$rex|=0x01 if($src>=8);
push @opcode,$rex;
}
}
sub pclmulqdq {
my $arg=shift;
my @opcode=(0x66);
if ($arg=~/\$([x0-9a-f]+),\s*%xmm([0-9]+),\s*%xmm([0-9]+)/) {
rex(\@opcode,$3,$2);
push @opcode,0x0f,0x3a,0x44;
push @opcode,0xc0|($2&7)|(($3&7)<<3); # ModR/M
my $c=$1;
push @opcode,$c=~/^0/?oct($c):$c;
return ".byte\t".join(',',@opcode);
}
return "pclmulqdq\t".$arg;
}
$code =~ s/\`([^\`]*)\`/eval($1)/gem;
$code =~ s/\bpclmulqdq\s+(\$.*%xmm[0-9]+).*$/pclmulqdq($1)/gem;
print $code;

38
crypto/perlasm/x86_64-xlate.pl
View File

@@ -256,8 +256,9 @@ my %globals;
$self->{label} =~ s/^___imp_/__imp__/ if ($flavour eq "mingw64");
if (defined($self->{index})) {
sprintf "%s%s(%%%s,%%%s,%d)",$self->{asterisk},
$self->{label},$self->{base},
sprintf "%s%s(%s,%%%s,%d)",$self->{asterisk},
$self->{label},
$self->{base}?"%$self->{base}":"",
$self->{index},$self->{scale};
} else {
sprintf "%s%s(%%%s)", $self->{asterisk},$self->{label},$self->{base};
@@ -272,10 +273,10 @@ my %globals;
$sz="q" if ($self->{asterisk});
if (defined($self->{index})) {
sprintf "%s[%s%s*%d+%s]",$szmap{$sz},
sprintf "%s[%s%s*%d%s]",$szmap{$sz},
$self->{label}?"$self->{label}+":"",
$self->{index},$self->{scale},
$self->{base};
$self->{base}?"+$self->{base}":"";
} elsif ($self->{base} eq "rip") {
sprintf "%s[%s]",$szmap{$sz},$self->{label};
} else {
@@ -666,7 +667,7 @@ my $pinsrd = sub {
$imm=$1;
$src=$2;
$dst=$3;
if ($src =~ /%r([0-9]+)d/) { $src = $1; }
if ($src =~ /%r([0-9]+)/) { $src = $1; }
elsif ($src =~ /%e/) { $src = $regrm{$src}; }
rex(\@opcode,$dst,$src);
push @opcode,0x0f,0x3a,0x22;
@@ -690,6 +691,33 @@ my $pshufb = sub {
}
};
my $palignr = sub {
if (shift =~ /\$([0-9]+),%xmm([0-9]+),%xmm([0-9]+)/) {
my @opcode=(0x66);
rex(\@opcode,$3,$2);
push @opcode,0x0f,0x3a,0x0f;
push @opcode,0xc0|($2&7)|(($3&7)<<3); # ModR/M
push @opcode,$1;
@opcode;
} else {
();
}
};
my $pclmulqdq = sub {
if (shift =~ /\$([x0-9a-f]+),\s*%xmm([0-9]+),\s*%xmm([0-9]+)/) {
my @opcode=(0x66);
rex(\@opcode,$3,$2);
push @opcode,0x0f,0x3a,0x44;
push @opcode,0xc0|($2&7)|(($3&7)<<3); # ModR/M
my $c=$1;
push @opcode,$c=~/^0/?oct($c):$c;
@opcode;
} else {
();
}
};
if ($nasm) {
print <<___;
default rel