openssl/crypto/bn/asm/alpha.works/sqr_c4.pl
1998-12-21 11:00:56 +00:00

109 lines
2.1 KiB
Raku

#!/usr/local/bin/perl
# alpha assember
sub sqr_add_c
{
local($a,$c0,$c1,$c2)=@_;
local($l1,$h1,$t1,$t2);
&mul($a,$a,($l1)=&NR(1));
&muh($a,$a,($h1)=&NR(1));
&add($c0,$l1,$c0);
&add($c1,$h1,$c1);
&cmpult($c0,$l1,($t1)=&NR(1)); &FR($l1);
&cmpult($c1,$h1,($t2)=&NR(1)); &FR($h1);
&add($c1,$t1,$c1); &FR($t1);
&add($c2,$t2,$c2); &FR($t2);
}
sub sqr_add_c2
{
local($a,$b,$c0,$c1,$c2)=@_;
local($l1,$h1,$t1,$t2);
&mul($a,$b,($l1)=&NR(1));
&muh($a,$b,($h1)=&NR(1));
&cmplt($l1,"zero",($lc1)=&NR(1));
&cmplt($h1,"zero",($hc1)=&NR(1));
&add($l1,$l1,$l1);
&add($h1,$h1,$h1);
&add($h1,$lc1,$h1); &FR($lc1);
&add($c2,$hc1,$c2); &FR($hc1);
&add($c0,$l1,$c0);
&add($c1,$h1,$c1);
&cmpult($c0,$l1,($lc1)=&NR(1)); &FR($l1);
&cmpult($c1,$h1,($hc1)=&NR(1)); &FR($h1);
&add($c1,$lc1,$c1); &FR($lc1);
&add($c2,$hc1,$c2); &FR($hc1);
}
sub bn_sqr_comba4
{
local($name)=@_;
local(@a,@b,$r,$c0,$c1,$c2);
$cnt=1;
&init_pool(2);
$rp=&wparam(0);
$ap=&wparam(1);
&function_begin($name,"");
&comment("");
&ld(($a[0])=&NR(1),&QWPw(0,$ap));
&ld(($a[1])=&NR(1),&QWPw(1,$ap));
&ld(($a[2])=&NR(1),&QWPw(2,$ap));
&ld(($a[3])=&NR(1),&QWPw(3,$ap)); &FR($ap);
($c0,$c1,$c2)=&NR(3);
&mov("zero",$c2);
&mul($a[0],$a[0],$c0);
&muh($a[0],$a[0],$c1);
&st($c0,&QWPw(0,$rp));
($c0,$c1,$c2)=($c1,$c2,$c0);
&mov("zero",$c2);
&sqr_add_c2($a[0],$a[1],$c0,$c1,$c2);
&st($c0,&QWPw(1,$rp));
($c0,$c1,$c2)=($c1,$c2,$c0);
&mov("zero",$c2);
&sqr_add_c($a[1],$c0,$c1,$c2);
&sqr_add_c2($a[2],$a[0],$c0,$c1,$c2);
&st($c0,&QWPw(2,$rp));
($c0,$c1,$c2)=($c1,$c2,$c0);
&mov("zero",$c2);
&sqr_add_c2($a[3],$a[0],$c0,$c1,$c2);
&sqr_add_c2($a[2],$a[1],$c0,$c1,$c2);
&st($c0,&QWPw(3,$rp));
($c0,$c1,$c2)=($c1,$c2,$c0);
&mov("zero",$c2);
&sqr_add_c($a[2],$c0,$c1,$c2);
&sqr_add_c2($a[3],$a[1],$c0,$c1,$c2);
&st($c0,&QWPw(4,$rp));
($c0,$c1,$c2)=($c1,$c2,$c0);
&mov("zero",$c2);
&sqr_add_c2($a[3],$a[2],$c0,$c1,$c2);
&st($c0,&QWPw(5,$rp));
($c0,$c1,$c2)=($c1,$c2,$c0);
&mov("zero",$c2);
&sqr_add_c($a[3],$c0,$c1,$c2);
&st($c0,&QWPw(6,$rp));
&st($c1,&QWPw(7,$rp));
&function_end($name);
&fin_pool;
}
1;