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authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
commit3562e78743202e43aec8727005182a2558117eca (patch)
tree8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /openssl/crypto/bn/asm/x86/sqr.pl
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Diffstat (limited to 'openssl/crypto/bn/asm/x86/sqr.pl')
-rw-r--r--openssl/crypto/bn/asm/x86/sqr.pl60
1 files changed, 60 insertions, 0 deletions
diff --git a/openssl/crypto/bn/asm/x86/sqr.pl b/openssl/crypto/bn/asm/x86/sqr.pl
new file mode 100644
index 000000000..1f90993cf
--- /dev/null
+++ b/openssl/crypto/bn/asm/x86/sqr.pl
@@ -0,0 +1,60 @@
+#!/usr/local/bin/perl
+# x86 assember
+
+sub bn_sqr_words
+ {
+ local($name)=@_;
+
+ &function_begin($name,"");
+
+ &comment("");
+ $r="esi";
+ $a="edi";
+ $num="ebx";
+
+ &mov($r,&wparam(0)); #
+ &mov($a,&wparam(1)); #
+ &mov($num,&wparam(2)); #
+
+ &and($num,0xfffffff8); # num / 8
+ &jz(&label("sw_finish"));
+
+ &set_label("sw_loop",0);
+ for ($i=0; $i<32; $i+=4)
+ {
+ &comment("Round $i");
+ &mov("eax",&DWP($i,$a,"",0)); # *a
+ # XXX
+ &mul("eax"); # *a * *a
+ &mov(&DWP($i*2,$r,"",0),"eax"); #
+ &mov(&DWP($i*2+4,$r,"",0),"edx");#
+ }
+
+ &comment("");
+ &add($a,32);
+ &add($r,64);
+ &sub($num,8);
+ &jnz(&label("sw_loop"));
+
+ &set_label("sw_finish",0);
+ &mov($num,&wparam(2)); # get num
+ &and($num,7);
+ &jz(&label("sw_end"));
+
+ for ($i=0; $i<7; $i++)
+ {
+ &comment("Tail Round $i");
+ &mov("eax",&DWP($i*4,$a,"",0)); # *a
+ # XXX
+ &mul("eax"); # *a * *a
+ &mov(&DWP($i*8,$r,"",0),"eax"); #
+ &dec($num) if ($i != 7-1);
+ &mov(&DWP($i*8+4,$r,"",0),"edx");
+ &jz(&label("sw_end")) if ($i != 7-1);
+ }
+ &set_label("sw_end",0);
+
+ &function_end($name);
+ }
+
+1;