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x86-mont.pl: fix bug in integer-only squaring path.

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PR: 2648
This commit is contained in:
Andy Polyakov 2011-12-09 14:26:56 +00:00
parent 2a4adf19c8
commit fecb4ff331
1 changed files with 3 additions and 1 deletions
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4
crypto/bn/asm/x86-mont.pl
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@ -527,8 +527,10 @@ $sbit=$num;
&jle (&label("sqradd")); &jle (&label("sqradd"));
&mov ($carry,"edx"); &mov ($carry,"edx");
&lea ("edx",&DWP(0,$sbit,"edx",2)); &add ("edx","edx");
&shr ($carry,31); &shr ($carry,31);
&add ("edx",$sbit);
&adc ($carry,0);
&set_label("sqrlast"); &set_label("sqrlast");
&mov ($word,$_n0); &mov ($word,$_n0);
&mov ($inp,$_np); &mov ($inp,$_np);