add: execute openssl fetcher to fetch openssl 1.0.1j

[cassiopeia.git] / lib / openssl / crypto / bn / asm / x86 / mul.pl

diff --git a/lib/openssl/crypto/bn/asm/x86/mul.pl b/lib/openssl/crypto/bn/asm/x86/mul.pl
new file mode 100644 (file)
index 0000000..674cb9b
--- /dev/null
+++ b/lib/openssl/crypto/bn/asm/x86/mul.pl
@@ -0,0 +1,77 @@
+#!/usr/local/bin/perl
+# x86 assember
+
+sub bn_mul_words
+       {
+       local($name)=@_;
+
+       &function_begin($name,"");
+
+       &comment("");
+       $Low="eax";
+       $High="edx";
+       $a="ebx";
+       $w="ecx";
+       $r="edi";
+       $c="esi";
+       $num="ebp";
+
+       &xor($c,$c);            # clear carry
+       &mov($r,&wparam(0));    #
+       &mov($a,&wparam(1));    #
+       &mov($num,&wparam(2));  #
+       &mov($w,&wparam(3));    #
+
+       &and($num,0xfffffff8);  # num / 8
+       &jz(&label("mw_finish"));
+
+       &set_label("mw_loop",0);
+       for ($i=0; $i<32; $i+=4)
+               {
+               &comment("Round $i");
+
+                &mov("eax",&DWP($i,$a,"",0));  # *a
+               &mul($w);                       # *a * w
+               &add("eax",$c);                 # L(t)+=c
+                # XXX
+
+               &adc("edx",0);                  # H(t)+=carry
+                &mov(&DWP($i,$r,"",0),"eax");  # *r= L(t);
+
+               &mov($c,"edx");                 # c=  H(t);
+               }
+
+       &comment("");
+       &add($a,32);
+       &add($r,32);
+       &sub($num,8);
+       &jz(&label("mw_finish"));
+       &jmp(&label("mw_loop"));
+
+       &set_label("mw_finish",0);
+       &mov($num,&wparam(2));  # get num
+       &and($num,7);
+       &jnz(&label("mw_finish2"));
+       &jmp(&label("mw_end"));
+
+       &set_label("mw_finish2",1);
+       for ($i=0; $i<7; $i++)
+               {
+               &comment("Tail Round $i");
+                &mov("eax",&DWP($i*4,$a,"",0));# *a
+               &mul($w);                       # *a * w
+               &add("eax",$c);                 # L(t)+=c
+                # XXX
+               &adc("edx",0);                  # H(t)+=carry
+                &mov(&DWP($i*4,$r,"",0),"eax");# *r= L(t);
+               &mov($c,"edx");                 # c=  H(t);
+                &dec($num) if ($i != 7-1);
+               &jz(&label("mw_end")) if ($i != 7-1);
+               }
+       &set_label("mw_end",0);
+       &mov("eax",$c);
+
+       &function_end($name);
+       }
+
+1;