Commit c9cf29cc authored by Andy Polyakov's avatar Andy Polyakov
Browse files

sha1-x86_64.pl: add missing rex prefix in shaext. 

PR: 3405
parent 687721a7

crypto/sha/asm/sha1-x86_64.pl

+5 −1
Original line number Diff line number Diff line
@@ -2030,8 +2030,12 @@ sub sha1op38 { 
  		"sha1msg1"  => 0xc9,

		"sha1msg2"  => 0xca	);



    if (defined($opcodelet{$instr}) && @_[0] =~ /%xmm([0-7]),\s*%xmm([0-7])/) {

    if (defined($opcodelet{$instr}) && @_[0] =~ /%xmm([0-9]+),\s*%xmm([0-9]+)/) {

      my @opcode=(0x0f,0x38);

      my $rex=0;

	$rex|=0x04			if ($2>=8);

	$rex|=0x01			if ($1>=8);

	unshift @opcode,0x40|$rex	if ($rex);

	push @opcode,$opcodelet{$instr};

	push @opcode,0xc0|($1&7)|(($2&7)<<3);		# ModR/M

	return ".byte\t".join(',',@opcode);