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crypto: x86/cast5 - Remove unused cast5_ctr_16way

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commit e2d60e2f59 ("crypto: x86/cast5 - drop CTR mode implementation")

removed the calls to cast5_ctr_16way but left the avx implementation.

Remove it.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Dr. David Alan Gilbert 2024-10-06 00:13:58 +01:00 committed by Herbert Xu
parent 452c55dcef
commit 528888f33d
1 changed files with 0 additions and 76 deletions
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76
arch/x86/crypto/cast5-avx-x86_64-asm_64.S
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@ -487,79 +487,3 @@ SYM_FUNC_START(cast5_cbc_dec_16way)
FRAME_END
RET;
SYM_FUNC_END(cast5_cbc_dec_16way)
SYM_FUNC_START(cast5_ctr_16way)
/* input:
* %rdi: ctx
* %rsi: dst
* %rdx: src
* %rcx: iv (big endian, 64bit)
*/
FRAME_BEGIN
pushq %r12;
pushq %r15;
movq %rdi, CTX;
movq %rsi, %r11;
movq %rdx, %r12;
vpcmpeqd RTMP, RTMP, RTMP;
vpsrldq $8, RTMP, RTMP; /* low: -1, high: 0 */
vpcmpeqd RKR, RKR, RKR;
vpaddq RKR, RKR, RKR; /* low: -2, high: -2 */
vmovdqa .Lbswap_iv_mask(%rip), R1ST;
vmovdqa .Lbswap128_mask(%rip), RKM;
/* load IV and byteswap */
vmovq (%rcx), RX;
vpshufb R1ST, RX, RX;
/* construct IVs */
vpsubq RTMP, RX, RX; /* le: IV1, IV0 */
vpshufb RKM, RX, RL1; /* be: IV0, IV1 */
vpsubq RKR, RX, RX;
vpshufb RKM, RX, RR1; /* be: IV2, IV3 */
vpsubq RKR, RX, RX;
vpshufb RKM, RX, RL2; /* be: IV4, IV5 */
vpsubq RKR, RX, RX;
vpshufb RKM, RX, RR2; /* be: IV6, IV7 */
vpsubq RKR, RX, RX;
vpshufb RKM, RX, RL3; /* be: IV8, IV9 */
vpsubq RKR, RX, RX;
vpshufb RKM, RX, RR3; /* be: IV10, IV11 */
vpsubq RKR, RX, RX;
vpshufb RKM, RX, RL4; /* be: IV12, IV13 */
vpsubq RKR, RX, RX;
vpshufb RKM, RX, RR4; /* be: IV14, IV15 */
/* store last IV */
vpsubq RTMP, RX, RX; /* le: IV16, IV14 */
vpshufb R1ST, RX, RX; /* be: IV16, IV16 */
vmovq RX, (%rcx);
call __cast5_enc_blk16;
/* dst = src ^ iv */
vpxor (0*16)(%r12), RR1, RR1;
vpxor (1*16)(%r12), RL1, RL1;
vpxor (2*16)(%r12), RR2, RR2;
vpxor (3*16)(%r12), RL2, RL2;
vpxor (4*16)(%r12), RR3, RR3;
vpxor (5*16)(%r12), RL3, RL3;
vpxor (6*16)(%r12), RR4, RR4;
vpxor (7*16)(%r12), RL4, RL4;
vmovdqu RR1, (0*16)(%r11);
vmovdqu RL1, (1*16)(%r11);
vmovdqu RR2, (2*16)(%r11);
vmovdqu RL2, (3*16)(%r11);
vmovdqu RR3, (4*16)(%r11);
vmovdqu RL3, (5*16)(%r11);
vmovdqu RR4, (6*16)(%r11);
vmovdqu RL4, (7*16)(%r11);
popq %r15;
popq %r12;
FRAME_END
RET;
SYM_FUNC_END(cast5_ctr_16way)