Commit cd54249c authored by Andy Polyakov's avatar Andy Polyakov
Browse files

aesni-x86_64.pl: minor CTR performance improvement.

parent 92584bd3

crypto/aes/asm/aesni-x86_64.pl

+7 −7
Original line number Diff line number Diff line
@@ -130,7 +130,7 @@ 
# Further data for other parallelizable modes:

#

# CBC decrypt				1.16	0.93	0.74

# CTR					1.14	0.91	0.77

# CTR					1.14	0.91	0.74

#

# Well, given 3x column it's probably inappropriate to call the limit

# asymptotic, if it can be surpassed, isn't it? What happens there?
@@ -1211,23 +1211,23 @@ $code.=<<___; 
	$movkey		0xe0-0x80($key),$rndkey0



.Lctr32_enc_done:

	aesenc		$rndkey1,$inout0

	movdqu		0x10($inp),$in1

	pxor		$rndkey0,$in0

	aesenc		$rndkey1,$inout1

	movdqu		0x20($inp),$in2

	pxor		$rndkey0,$in1

	aesenc		$rndkey1,$inout2

	movdqu		0x30($inp),$in3

	pxor		$rndkey0,$in2

	aesenc		$rndkey1,$inout3

	movdqu		0x40($inp),$in4

	pxor		$rndkey0,$in3

	aesenc		$rndkey1,$inout4

	movdqu		0x50($inp),$in5

	pxor		$rndkey0,$in4

	aesenc		$rndkey1,$inout5

	aesenc		$rndkey1,$inout0

	pxor		$rndkey0,$in5

	aesenc		$rndkey1,$inout1

	aesenc		$rndkey1,$inout2

	aesenc		$rndkey1,$inout3

	aesenc		$rndkey1,$inout4

	aesenc		$rndkey1,$inout5

	aesenc		$rndkey1,$inout6

	aesenc		$rndkey1,$inout7

	movdqu		0x60($inp),$rndkey1