Revert "Revert "and added files""

[bcm963xx.git] / userapps / opensource / openssl / crypto / bn / asm / alpha / add.pl

diff --git a/userapps/opensource/openssl/crypto/bn/asm/alpha/add.pl b/userapps/opensource/openssl/crypto/bn/asm/alpha/add.pl
new file mode 100755 (executable)
index 0000000..13bf516
--- /dev/null
+++ b/userapps/opensource/openssl/crypto/bn/asm/alpha/add.pl
@@ -0,0 +1,118 @@
+#!/usr/local/bin/perl
+# alpha assember 
+
+sub bn_add_words
+       {
+       local($name)=@_;
+       local($cc,$a,$b,$r);
+
+       &init_pool(4);
+       ($cc)=GR("r0");
+
+       $rp=&wparam(0);
+       $ap=&wparam(1);
+       $bp=&wparam(2);
+       $count=&wparam(3);
+
+       &function_begin($name,"");
+
+       &comment("");
+       &sub($count,4,$count);
+        &mov("zero",$cc);
+       &blt($count,&label("finish"));
+
+       ($a0,$b0)=&NR(2);
+
+##########################################################
+       &set_label("loop");
+
+       &ld(($a0)=&NR(1),&QWPw(0,$ap));
+        &ld(($b0)=&NR(1),&QWPw(0,$bp));
+       &ld(($a1)=&NR(1),&QWPw(1,$ap));
+        &ld(($b1)=&NR(1),&QWPw(1,$bp));
+
+       ($o0,$t0)=&NR(2);
+       &add($a0,$b0,$o0); 
+        &ld(($a2)=&NR(1),&QWPw(2,$ap));
+       &cmpult($o0,$b0,$t0);
+        &add($o0,$cc,$o0);
+       &cmpult($o0,$cc,$cc);
+        &ld(($b2)=&NR(1),&QWPw(2,$bp));
+       &add($cc,$t0,$cc);      &FR($t0);
+
+       ($t1,$o1)=&NR(2);
+
+        &add($a1,$b1,$o1);     &FR($a1);
+       &cmpult($o1,$b1,$t1);   &FR($b1);
+        &add($o1,$cc,$o1);
+       &cmpult($o1,$cc,$cc);
+        &ld(($a3)=&NR(1),&QWPw(3,$ap));
+       &add($cc,$t1,$cc);      &FR($t1);
+
+       ($t2,$o2)=&NR(2);
+
+        &add($a2,$b2,$o2);     &FR($a2);
+       &cmpult($o2,$b2,$t2);   &FR($b2);
+        &add($o2,$cc,$o2);
+       &cmpult($o2,$cc,$cc);
+        &ld(($b3)=&NR(1),&QWPw(3,$bp));
+       &st($o0,&QWPw(0,$rp)); &FR($o0);
+        &add($cc,$t2,$cc);     &FR($t2);
+
+       ($t3,$o3)=&NR(2);
+
+       &st($o1,&QWPw(0,$rp)); &FR($o1);
+        &add($a3,$b3,$o3);     &FR($a3);
+       &cmpult($o3,$b3,$t3);   &FR($b3);
+        &add($o3,$cc,$o3);
+       &st($o2,&QWPw(0,$rp)); &FR($o2);
+        &cmpult($o3,$cc,$cc);
+       &st($o3,&QWPw(0,$rp)); &FR($o3);
+        &add($cc,$t3,$cc);     &FR($t3);
+
+
+       &sub($count,4,$count);  # count-=4
+        &add($ap,4*$QWS,$ap);  # count+=4
+       &add($bp,4*$QWS,$bp);   # count+=4
+        &add($rp,4*$QWS,$rp);  # count+=4
+
+       ###
+        &bge($count,&label("loop"));
+       ###
+       &br(&label("finish"));
+##################################################
+       # Do the last 0..3 words
+
+       ($t0,$o0)=&NR(2);
+       &set_label("last_loop");
+
+       &ld($a0,&QWPw(0,$ap));  # get a
+        &ld($b0,&QWPw(0,$bp)); # get b
+       &add($ap,$QWS,$ap);
+        &add($bp,$QWS,$bp);
+       &add($a0,$b0,$o0); 
+        &sub($count,1,$count);
+       &cmpult($o0,$b0,$t0);   # will we borrow?
+        &add($o0,$cc,$o0);     # will we borrow?
+       &cmpult($o0,$cc,$cc);   # will we borrow?
+        &add($rp,$QWS,$rp);
+       &st($o0,&QWPw(-1,$rp)); # save
+        &add($cc,$t0,$cc);     # add the borrows
+
+       ###
+        &bgt($count,&label("last_loop"));
+       &function_end_A($name);
+
+######################################################
+       &set_label("finish");
+       &add($count,4,$count);
+        &bgt($count,&label("last_loop"));
+
+       &FR($o0,$t0,$a0,$b0);
+       &set_label("end");
+       &function_end($name);
+
+       &fin_pool;
+       }
+
+1;