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Lppc_AES_[en|de]crypt_compact: size optimization.
This commit is contained in:
Andy Polyakov
parent
e59f992be6
commit
52ee3d01ae
@ -528,17 +528,16 @@ Lppc_AES_encrypt_compact:
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addi $Tbl1,$Tbl0,2048
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lis $mask80,0x8080
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lis $mask1b,0x1b1b
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addi $acc00,$acc00,-1
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addi $key,$key,16
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ori $mask80,$mask80,0x8080
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ori $mask1b,$mask1b,0x1b1b
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mtctr $acc00
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.align 4
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Lenc_compact_loop:
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xor $s0,$s0,$t0
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xor $s1,$s1,$t1
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xor $s2,$s2,$t2
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xor $s3,$s3,$t3
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mtctr $acc00
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.align 4
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Lenc_compact_loop:
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rlwinm $acc00,$s0,`32-24`,24,31
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rlwinm $acc01,$s1,`32-24`,24,31
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rlwinm $acc02,$s2,`32-24`,24,31
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@ -592,6 +591,9 @@ Lenc_compact_loop:
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or $s2,$s2,$acc14
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or $s3,$s3,$acc15
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addi $key,$key,16
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bdz Lenc_compact_done
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and $acc00,$s0,$mask80 # r1=r0&0x80808080
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and $acc01,$s1,$mask80
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and $acc02,$s2,$mask80
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@ -650,66 +652,9 @@ Lenc_compact_loop:
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xor $s2,$s2,$acc10
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xor $s3,$s3,$acc11
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xor $s0,$s0,$t0
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xor $s1,$s1,$t1
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xor $s2,$s2,$t2
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xor $s3,$s3,$t3
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addi $key,$key,16
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bdnz- Lenc_compact_loop
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rlwinm $acc00,$s0,`32-24`,24,31
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rlwinm $acc01,$s1,`32-24`,24,31
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rlwinm $acc02,$s2,`32-24`,24,31
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rlwinm $acc03,$s3,`32-24`,24,31
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lwz $t0,0($key)
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lwz $t1,4($key)
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lwz $t2,8($key)
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lwz $t3,12($key)
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rlwinm $acc04,$s1,`32-16`,24,31
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rlwinm $acc05,$s2,`32-16`,24,31
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rlwinm $acc06,$s3,`32-16`,24,31
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rlwinm $acc07,$s0,`32-16`,24,31
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lbzx $acc00,$Tbl1,$acc00
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lbzx $acc01,$Tbl1,$acc01
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lbzx $acc02,$Tbl1,$acc02
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lbzx $acc03,$Tbl1,$acc03
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rlwinm $acc08,$s2,`32-8`,24,31
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rlwinm $acc09,$s3,`32-8`,24,31
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rlwinm $acc10,$s0,`32-8`,24,31
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rlwinm $acc11,$s1,`32-8`,24,31
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lbzx $acc04,$Tbl1,$acc04
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lbzx $acc05,$Tbl1,$acc05
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lbzx $acc06,$Tbl1,$acc06
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lbzx $acc07,$Tbl1,$acc07
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rlwinm $acc12,$s3,`0`,24,31
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rlwinm $acc13,$s0,`0`,24,31
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rlwinm $acc14,$s1,`0`,24,31
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rlwinm $acc15,$s2,`0`,24,31
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lbzx $acc08,$Tbl1,$acc08
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lbzx $acc09,$Tbl1,$acc09
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lbzx $acc10,$Tbl1,$acc10
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lbzx $acc11,$Tbl1,$acc11
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rlwinm $s0,$acc00,24,0,7
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rlwinm $s1,$acc01,24,0,7
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rlwinm $s2,$acc02,24,0,7
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rlwinm $s3,$acc03,24,0,7
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lbzx $acc12,$Tbl1,$acc12
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lbzx $acc13,$Tbl1,$acc13
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lbzx $acc14,$Tbl1,$acc14
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lbzx $acc15,$Tbl1,$acc15
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rlwimi $s0,$acc04,16,8,15
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rlwimi $s1,$acc05,16,8,15
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rlwimi $s2,$acc06,16,8,15
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rlwimi $s3,$acc07,16,8,15
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rlwimi $s0,$acc08,8,16,23
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rlwimi $s1,$acc09,8,16,23
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rlwimi $s2,$acc10,8,16,23
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rlwimi $s3,$acc11,8,16,23
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or $s0,$s0,$acc12
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or $s1,$s1,$acc13
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or $s2,$s2,$acc14
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or $s3,$s3,$acc15
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b Lenc_compact_loop
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.align 4
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Lenc_compact_done:
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xor $s0,$s0,$t0
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xor $s1,$s1,$t1
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xor $s2,$s2,$t2
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@ -932,17 +877,16 @@ Lppc_AES_decrypt_compact:
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addi $Tbl1,$Tbl0,2048
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lis $mask80,0x8080
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lis $mask1b,0x1b1b
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addi $acc00,$acc00,-1
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addi $key,$key,16
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ori $mask80,$mask80,0x8080
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ori $mask1b,$mask1b,0x1b1b
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mtctr $acc00
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.align 4
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Ldec_compact_loop:
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xor $s0,$s0,$t0
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xor $s1,$s1,$t1
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xor $s2,$s2,$t2
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xor $s3,$s3,$t3
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mtctr $acc00
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.align 4
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Ldec_compact_loop:
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rlwinm $acc00,$s0,`32-24`,24,31
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rlwinm $acc01,$s1,`32-24`,24,31
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rlwinm $acc02,$s2,`32-24`,24,31
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@ -996,6 +940,9 @@ Ldec_compact_loop:
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or $s2,$s2,$acc14
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or $s3,$s3,$acc15
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addi $key,$key,16
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bdz Ldec_compact_done
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and $acc00,$s0,$mask80 # r1=r0&0x80808080
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and $acc01,$s1,$mask80
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and $acc02,$s2,$mask80
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@ -1140,66 +1087,9 @@ Ldec_compact_loop:
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xor $s2,$s2,$acc10
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xor $s3,$s3,$acc11
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xor $s0,$s0,$t0
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xor $s1,$s1,$t1
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xor $s2,$s2,$t2
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xor $s3,$s3,$t3
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addi $key,$key,16
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bdnz- Ldec_compact_loop
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rlwinm $acc00,$s0,`32-24`,24,31
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rlwinm $acc01,$s1,`32-24`,24,31
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rlwinm $acc02,$s2,`32-24`,24,31
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rlwinm $acc03,$s3,`32-24`,24,31
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lwz $t0,0($key)
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lwz $t1,4($key)
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lwz $t2,8($key)
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lwz $t3,12($key)
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rlwinm $acc04,$s3,`32-16`,24,31
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rlwinm $acc05,$s0,`32-16`,24,31
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rlwinm $acc06,$s1,`32-16`,24,31
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rlwinm $acc07,$s2,`32-16`,24,31
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lbzx $acc00,$Tbl1,$acc00
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lbzx $acc01,$Tbl1,$acc01
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lbzx $acc02,$Tbl1,$acc02
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lbzx $acc03,$Tbl1,$acc03
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rlwinm $acc08,$s2,`32-8`,24,31
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rlwinm $acc09,$s3,`32-8`,24,31
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rlwinm $acc10,$s0,`32-8`,24,31
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rlwinm $acc11,$s1,`32-8`,24,31
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lbzx $acc04,$Tbl1,$acc04
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lbzx $acc05,$Tbl1,$acc05
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lbzx $acc06,$Tbl1,$acc06
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lbzx $acc07,$Tbl1,$acc07
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rlwinm $acc12,$s1,`0`,24,31
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rlwinm $acc13,$s2,`0`,24,31
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rlwinm $acc14,$s3,`0`,24,31
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rlwinm $acc15,$s0,`0`,24,31
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lbzx $acc08,$Tbl1,$acc08
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lbzx $acc09,$Tbl1,$acc09
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lbzx $acc10,$Tbl1,$acc10
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lbzx $acc11,$Tbl1,$acc11
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rlwinm $s0,$acc00,24,0,7
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rlwinm $s1,$acc01,24,0,7
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rlwinm $s2,$acc02,24,0,7
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rlwinm $s3,$acc03,24,0,7
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lbzx $acc12,$Tbl1,$acc12
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lbzx $acc13,$Tbl1,$acc13
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lbzx $acc14,$Tbl1,$acc14
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lbzx $acc15,$Tbl1,$acc15
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rlwimi $s0,$acc04,16,8,15
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rlwimi $s1,$acc05,16,8,15
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rlwimi $s2,$acc06,16,8,15
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rlwimi $s3,$acc07,16,8,15
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rlwimi $s0,$acc08,8,16,23
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rlwimi $s1,$acc09,8,16,23
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rlwimi $s2,$acc10,8,16,23
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rlwimi $s3,$acc11,8,16,23
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or $s0,$s0,$acc12
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or $s1,$s1,$acc13
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or $s2,$s2,$acc14
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or $s3,$s3,$acc15
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b Ldec_compact_loop
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.align 4
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Ldec_compact_done:
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xor $s0,$s0,$t0
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xor $s1,$s1,$t1
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xor $s2,$s2,$t2
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