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#!/usr/local/bin/perl
# alpha assember
sub bn_mul_words
{
local($name)=@_;
local($cc,$a,$b,$r,$couny);
&init_pool(4);
($cc)=GR("r0");
$rp=&wparam(0);
$ap=&wparam(1);
$count=&wparam(2);
$word=&wparam(3);
&function_begin($name,"");
&comment("");
&sub($count,4,$count);
&mov("zero",$cc);
###
&blt($count,&label("finish"));
($a0)=&NR(1); &ld($a0,&QWPw(0,$ap));
&set_label("loop");
($a1)=&NR(1); &ld($a1,&QWPw(1,$ap));
($a2)=&NR(1); &ld($a2,&QWPw(2,$ap));
&muh($a0,$word,($h0)=&NR(1)); &FR($a0);
($a3)=&NR(1); &ld($a3,&QWPw(3,$ap));
### wait 8
&mul($a0,$word,($l0)=&NR(1)); &FR($a0);
### wait 8
&muh($a1,$word,($h1)=&NR(1)); &FR($a1);
&add($l0,$cc,$l0); ### wait 8
&mul($a1,$word,($l1)=&NR(1)); &FR($a1);
&cmpult($l0,$cc,$cc); ### wait 8
&muh($a2,$word,($h2)=&NR(1)); &FR($a2);
&add($h0,$cc,$cc); &FR($h0); ### wait 8
&mul($a2,$word,($l2)=&NR(1)); &FR($a2);
&add($l1,$cc,$l1); ### wait 8
&st($l0,&QWPw(0,$rp)); &FR($l0);
&cmpult($l1,$cc,$cc); ### wait 8
&muh($a3,$word,($h3)=&NR(1)); &FR($a3);
&add($h1,$cc,$cc); &FR($h1);
&mul($a3,$word,($l3)=&NR(1)); &FR($a3);
&add($l2,$cc,$l2);
&st($l1,&QWPw(1,$rp)); &FR($l1);
&cmpult($l2,$cc,$cc);
&add($h2,$cc,$cc); &FR($h2);
&sub($count,4,$count); # count-=4
&st($l2,&QWPw(2,$rp)); &FR($l2);
&add($l3,$cc,$l3);
&cmpult($l3,$cc,$cc);
&add($bp,4*$QWS,$bp); # count+=4
&add($h3,$cc,$cc); &FR($h3);
&add($ap,4*$QWS,$ap); # count+=4
&st($l3,&QWPw(3,$rp)); &FR($l3);
&add($rp,4*$QWS,$rp); # count+=4
###
&blt($count,&label("finish"));
($a0)=&NR(1); &ld($a0,&QWPw(0,$ap));
&br(&label("finish"));
##################################################
##################################################
# Do the last 0..3 words
&set_label("last_loop");
&ld(($a0)=&NR(1),&QWPw(0,$ap)); # get a
###
###
###
&muh($a0,$word,($h0)=&NR(1));
### Wait 8 for next mul issue
&mul($a0,$word,($l0)=&NR(1)); &FR($a0)
&add($ap,$QWS,$ap);
### Loose 12 until result is available
&add($rp,$QWS,$rp);
&sub($count,1,$count);
&add($l0,$cc,$l0);
###
&st($l0,&QWPw(-1,$rp)); &FR($l0);
&cmpult($l0,$cc,$cc);
&add($h0,$cc,$cc); &FR($h0);
&bgt($count,&label("last_loop"));
&function_end_A($name);
######################################################
&set_label("finish");
&add($count,4,$count);
&bgt($count,&label("last_loop"));
&set_label("end");
&function_end($name);
&fin_pool;
}
1;
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