pxor $T1,$Xi # Ii+Xi
movdqa $Xln,$Xhn
- pshufd \$0b01001110,$Xln,$Xmn
- pxor $Xln,$Xmn
+ pshufd \$0b01001110,$Xln,$T1
+ pxor $Xln,$T1
pclmulqdq \$0x00,$Hkey,$Xln
pclmulqdq \$0x11,$Hkey,$Xhn
- pclmulqdq \$0x00,$HK,$Xmn
-
- movdqa $Xi,$Xhi
- pshufd \$0b01001110,$Xi,$T1 #
- pxor $Xi,$T1 #
+ pclmulqdq \$0x00,$HK,$T1
lea 32($inp),$inp # i+=2
sub \$0x20,$len
.align 32
.Lmod_loop:
+ movdqa $Xi,$Xhi
+ pshufd \$0b01001110,$Xi,$T2 #
+ pxor $Xi,$T2 #
+
pclmulqdq \$0x00,$Hkey2,$Xi
pclmulqdq \$0x11,$Hkey2,$Xhi
- movdqu ($inp),$T2 # Ii
- pclmulqdq \$0x10,$HK,$T1
- pshufb $T3,$T2
+ pclmulqdq \$0x10,$HK,$T2
pxor $Xln,$Xi # (H*Ii+1) + H^2*(Ii+Xi)
- movdqu 16($inp),$Xln # Ii+1
pxor $Xhn,$Xhi
+ movdqu ($inp),$Xhn # Ii
+ pshufb $T3,$Xhn
+ movdqu 16($inp),$Xln # Ii+1
- pxor $Xi,$Xmn # aggregated Karatsuba post-processing
- pxor $Xhi,$Xmn
- pxor $T2,$Xhi # "Ii+Xi", consume early
- pxor $Xmn,$T1
+ pxor $Xi,$T1 # aggregated Karatsuba post-processing
+ pxor $Xhi,$T1
+ pxor $Xhn,$Xhi # "Ii+Xi", consume early
+ pxor $T1,$T2
pshufb $T3,$Xln
- movdqa $T1,$T2 #
+ movdqa $T2,$T1 #
psrldq \$8,$T1
pslldq \$8,$T2 #
pxor $T1,$Xhi
pxor $T2,$Xi #
movdqa $Xln,$Xhn #
- pshufd \$0b01001110,$Xln,$Xmn
- pxor $Xln,$Xmn #
movdqa $Xi,$T2 # 1st phase
movdqa $Xi,$T1
psrldq \$8,$T1 #
pxor $T2,$Xi
pxor $T1,$Xhi #
+ pshufd \$0b01001110,$Xhn,$T1
+ pxor $Xhn,$T1 #
pclmulqdq \$0x11,$Hkey,$Xhn #######
movdqa $Xi,$T2 # 2nd phase
psrlq \$5,$Xi
pxor $T2,$Xi #
psrlq \$1,$Xi #
- pclmulqdq \$0x00,$HK,$Xmn #######
+ pclmulqdq \$0x00,$HK,$T1 #######
pxor $Xhi,$Xi #
- movdqa $Xi,$Xhi
- pshufd \$0b01001110,$Xi,$T1 #
- pxor $Xi,$T1 #
-
lea 32($inp),$inp
sub \$0x20,$len
ja .Lmod_loop
.Leven_tail:
+ movdqa $Xi,$Xhi
+ pshufd \$0b01001110,$Xi,$T2 #
+ pxor $Xi,$T2 #
+
pclmulqdq \$0x00,$Hkey2,$Xi
pclmulqdq \$0x11,$Hkey2,$Xhi
- pclmulqdq \$0x10,$HK,$T1
+ pclmulqdq \$0x10,$HK,$T2
pxor $Xln,$Xi # (H*Ii+1) + H^2*(Ii+Xi)
pxor $Xhn,$Xhi
- pxor $Xi,$Xmn
- pxor $Xhi,$Xmn
- pxor $Xmn,$T1
- movdqa $T1,$T2 #
+ pxor $Xi,$T1
+ pxor $Xhi,$T1
+ pxor $T1,$T2
+ movdqa $T2,$T1 #
psrldq \$8,$T1
pslldq \$8,$T2 #
pxor $T1,$Xhi