Commit 52ee3d01 authored by Andy Polyakov's avatar Andy Polyakov
Browse files

Lppc_AES_[en|de]crypt_compact: size optimization.

parent e59f992b

crypto/aes/asm/aes-ppc.pl

+18 −128
Original line number Diff line number Diff line
@@ -528,17 +528,16 @@ Lppc_AES_encrypt_compact: 
	addi	$Tbl1,$Tbl0,2048

	lis	$mask80,0x8080

	lis	$mask1b,0x1b1b

	addi	$acc00,$acc00,-1

	addi	$key,$key,16

	ori	$mask80,$mask80,0x8080

	ori	$mask1b,$mask1b,0x1b1b

	mtctr	$acc00

.align	4

Lenc_compact_loop:

	xor	$s0,$s0,$t0

	xor	$s1,$s1,$t1

	xor	$s2,$s2,$t2

	xor	$s3,$s3,$t3

	mtctr	$acc00

.align	4

Lenc_compact_loop:

	rlwinm	$acc00,$s0,`32-24`,24,31

	rlwinm	$acc01,$s1,`32-24`,24,31

	rlwinm	$acc02,$s2,`32-24`,24,31
@@ -592,6 +591,9 @@ Lenc_compact_loop: 
	or	$s2,$s2,$acc14

	or	$s3,$s3,$acc15



	addi	$key,$key,16

	bdz	Lenc_compact_done



	and	$acc00,$s0,$mask80	# r1=r0&0x80808080

	and	$acc01,$s1,$mask80

	and	$acc02,$s2,$mask80
@@ -650,66 +652,9 @@ Lenc_compact_loop: 
	xor	$s2,$s2,$acc10

	xor	$s3,$s3,$acc11



	xor	$s0,$s0,$t0

	xor	$s1,$s1,$t1

	xor	$s2,$s2,$t2

	xor	$s3,$s3,$t3



	addi	$key,$key,16

	bdnz-	Lenc_compact_loop



	rlwinm	$acc00,$s0,`32-24`,24,31

	rlwinm	$acc01,$s1,`32-24`,24,31

	rlwinm	$acc02,$s2,`32-24`,24,31

	rlwinm	$acc03,$s3,`32-24`,24,31

	lwz	$t0,0($key)

	lwz	$t1,4($key)

	lwz	$t2,8($key)

	lwz	$t3,12($key)

	rlwinm	$acc04,$s1,`32-16`,24,31

	rlwinm	$acc05,$s2,`32-16`,24,31

	rlwinm	$acc06,$s3,`32-16`,24,31

	rlwinm	$acc07,$s0,`32-16`,24,31

	lbzx	$acc00,$Tbl1,$acc00

	lbzx	$acc01,$Tbl1,$acc01

	lbzx	$acc02,$Tbl1,$acc02

	lbzx	$acc03,$Tbl1,$acc03

	rlwinm	$acc08,$s2,`32-8`,24,31

	rlwinm	$acc09,$s3,`32-8`,24,31

	rlwinm	$acc10,$s0,`32-8`,24,31

	rlwinm	$acc11,$s1,`32-8`,24,31

	lbzx	$acc04,$Tbl1,$acc04

	lbzx	$acc05,$Tbl1,$acc05

	lbzx	$acc06,$Tbl1,$acc06

	lbzx	$acc07,$Tbl1,$acc07

	rlwinm	$acc12,$s3,`0`,24,31

	rlwinm	$acc13,$s0,`0`,24,31

	rlwinm	$acc14,$s1,`0`,24,31

	rlwinm	$acc15,$s2,`0`,24,31

	lbzx	$acc08,$Tbl1,$acc08

	lbzx	$acc09,$Tbl1,$acc09

	lbzx	$acc10,$Tbl1,$acc10

	lbzx	$acc11,$Tbl1,$acc11

	rlwinm	$s0,$acc00,24,0,7

	rlwinm	$s1,$acc01,24,0,7

	rlwinm	$s2,$acc02,24,0,7

	rlwinm	$s3,$acc03,24,0,7

	lbzx	$acc12,$Tbl1,$acc12

	lbzx	$acc13,$Tbl1,$acc13

	lbzx	$acc14,$Tbl1,$acc14

	lbzx	$acc15,$Tbl1,$acc15

	rlwimi	$s0,$acc04,16,8,15

	rlwimi	$s1,$acc05,16,8,15

	rlwimi	$s2,$acc06,16,8,15

	rlwimi	$s3,$acc07,16,8,15

	rlwimi	$s0,$acc08,8,16,23

	rlwimi	$s1,$acc09,8,16,23

	rlwimi	$s2,$acc10,8,16,23

	rlwimi	$s3,$acc11,8,16,23

	or	$s0,$s0,$acc12

	or	$s1,$s1,$acc13

	or	$s2,$s2,$acc14

	or	$s3,$s3,$acc15

	b	Lenc_compact_loop

.align	4

Lenc_compact_done:

	xor	$s0,$s0,$t0

	xor	$s1,$s1,$t1

	xor	$s2,$s2,$t2
@@ -932,17 +877,16 @@ Lppc_AES_decrypt_compact: 
	addi	$Tbl1,$Tbl0,2048

	lis	$mask80,0x8080

	lis	$mask1b,0x1b1b

	addi	$acc00,$acc00,-1

	addi	$key,$key,16

	ori	$mask80,$mask80,0x8080

	ori	$mask1b,$mask1b,0x1b1b

	mtctr	$acc00

.align	4

Ldec_compact_loop:

	xor	$s0,$s0,$t0

	xor	$s1,$s1,$t1

	xor	$s2,$s2,$t2

	xor	$s3,$s3,$t3

	mtctr	$acc00

.align	4

Ldec_compact_loop:

	rlwinm	$acc00,$s0,`32-24`,24,31

	rlwinm	$acc01,$s1,`32-24`,24,31

	rlwinm	$acc02,$s2,`32-24`,24,31
@@ -996,6 +940,9 @@ Ldec_compact_loop: 
	or	$s2,$s2,$acc14

	or	$s3,$s3,$acc15



	addi	$key,$key,16

	bdz	Ldec_compact_done



	and	$acc00,$s0,$mask80	# r1=r0&0x80808080

	and	$acc01,$s1,$mask80

	and	$acc02,$s2,$mask80
@@ -1140,66 +1087,9 @@ Ldec_compact_loop: 
	xor	$s2,$s2,$acc10	

	xor	$s3,$s3,$acc11	



	xor	$s0,$s0,$t0

	xor	$s1,$s1,$t1

	xor	$s2,$s2,$t2

	xor	$s3,$s3,$t3



	addi	$key,$key,16

	bdnz-	Ldec_compact_loop



	rlwinm	$acc00,$s0,`32-24`,24,31

	rlwinm	$acc01,$s1,`32-24`,24,31

	rlwinm	$acc02,$s2,`32-24`,24,31

	rlwinm	$acc03,$s3,`32-24`,24,31

	lwz	$t0,0($key)

	lwz	$t1,4($key)

	lwz	$t2,8($key)

	lwz	$t3,12($key)

	rlwinm	$acc04,$s3,`32-16`,24,31

	rlwinm	$acc05,$s0,`32-16`,24,31

	rlwinm	$acc06,$s1,`32-16`,24,31

	rlwinm	$acc07,$s2,`32-16`,24,31

	lbzx	$acc00,$Tbl1,$acc00

	lbzx	$acc01,$Tbl1,$acc01

	lbzx	$acc02,$Tbl1,$acc02

	lbzx	$acc03,$Tbl1,$acc03

	rlwinm	$acc08,$s2,`32-8`,24,31

	rlwinm	$acc09,$s3,`32-8`,24,31

	rlwinm	$acc10,$s0,`32-8`,24,31

	rlwinm	$acc11,$s1,`32-8`,24,31

	lbzx	$acc04,$Tbl1,$acc04

	lbzx	$acc05,$Tbl1,$acc05

	lbzx	$acc06,$Tbl1,$acc06

	lbzx	$acc07,$Tbl1,$acc07

	rlwinm	$acc12,$s1,`0`,24,31

	rlwinm	$acc13,$s2,`0`,24,31

	rlwinm	$acc14,$s3,`0`,24,31

	rlwinm	$acc15,$s0,`0`,24,31

	lbzx	$acc08,$Tbl1,$acc08

	lbzx	$acc09,$Tbl1,$acc09

	lbzx	$acc10,$Tbl1,$acc10

	lbzx	$acc11,$Tbl1,$acc11

	rlwinm	$s0,$acc00,24,0,7

	rlwinm	$s1,$acc01,24,0,7

	rlwinm	$s2,$acc02,24,0,7

	rlwinm	$s3,$acc03,24,0,7

	lbzx	$acc12,$Tbl1,$acc12

	lbzx	$acc13,$Tbl1,$acc13

	lbzx	$acc14,$Tbl1,$acc14

	lbzx	$acc15,$Tbl1,$acc15

	rlwimi	$s0,$acc04,16,8,15

	rlwimi	$s1,$acc05,16,8,15

	rlwimi	$s2,$acc06,16,8,15

	rlwimi	$s3,$acc07,16,8,15

	rlwimi	$s0,$acc08,8,16,23

	rlwimi	$s1,$acc09,8,16,23

	rlwimi	$s2,$acc10,8,16,23

	rlwimi	$s3,$acc11,8,16,23

	or	$s0,$s0,$acc12

	or	$s1,$s1,$acc13

	or	$s2,$s2,$acc14

	or	$s3,$s3,$acc15

	b	Ldec_compact_loop

.align	4

Ldec_compact_done:

	xor	$s0,$s0,$t0

	xor	$s1,$s1,$t1

	xor	$s2,$s2,$t2