| /* |
| * ChaCha20 256-bit cipher algorithm, RFC7539, x64 AVX2 functions |
| * |
| * Copyright (C) 2015 Martin Willi |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| */ |
| |
| #include <linux/linkage.h> |
| |
| .data |
| .align 32 |
| |
| ROT8: .octa 0x0e0d0c0f0a09080b0605040702010003 |
| .octa 0x0e0d0c0f0a09080b0605040702010003 |
| ROT16: .octa 0x0d0c0f0e09080b0a0504070601000302 |
| .octa 0x0d0c0f0e09080b0a0504070601000302 |
| CTRINC: .octa 0x00000003000000020000000100000000 |
| .octa 0x00000007000000060000000500000004 |
| |
| .text |
| |
| ENTRY(chacha20_8block_xor_avx2) |
| # %rdi: Input state matrix, s |
| # %rsi: 8 data blocks output, o |
| # %rdx: 8 data blocks input, i |
| |
| # This function encrypts eight consecutive ChaCha20 blocks by loading |
| # the state matrix in AVX registers eight times. As we need some |
| # scratch registers, we save the first four registers on the stack. The |
| # algorithm performs each operation on the corresponding word of each |
| # state matrix, hence requires no word shuffling. For final XORing step |
| # we transpose the matrix by interleaving 32-, 64- and then 128-bit |
| # words, which allows us to do XOR in AVX registers. 8/16-bit word |
| # rotation is done with the slightly better performing byte shuffling, |
| # 7/12-bit word rotation uses traditional shift+OR. |
| |
| vzeroupper |
| # 4 * 32 byte stack, 32-byte aligned |
| mov %rsp, %r8 |
| and $~31, %rsp |
| sub $0x80, %rsp |
| |
| # x0..15[0-7] = s[0..15] |
| vpbroadcastd 0x00(%rdi),%ymm0 |
| vpbroadcastd 0x04(%rdi),%ymm1 |
| vpbroadcastd 0x08(%rdi),%ymm2 |
| vpbroadcastd 0x0c(%rdi),%ymm3 |
| vpbroadcastd 0x10(%rdi),%ymm4 |
| vpbroadcastd 0x14(%rdi),%ymm5 |
| vpbroadcastd 0x18(%rdi),%ymm6 |
| vpbroadcastd 0x1c(%rdi),%ymm7 |
| vpbroadcastd 0x20(%rdi),%ymm8 |
| vpbroadcastd 0x24(%rdi),%ymm9 |
| vpbroadcastd 0x28(%rdi),%ymm10 |
| vpbroadcastd 0x2c(%rdi),%ymm11 |
| vpbroadcastd 0x30(%rdi),%ymm12 |
| vpbroadcastd 0x34(%rdi),%ymm13 |
| vpbroadcastd 0x38(%rdi),%ymm14 |
| vpbroadcastd 0x3c(%rdi),%ymm15 |
| # x0..3 on stack |
| vmovdqa %ymm0,0x00(%rsp) |
| vmovdqa %ymm1,0x20(%rsp) |
| vmovdqa %ymm2,0x40(%rsp) |
| vmovdqa %ymm3,0x60(%rsp) |
| |
| vmovdqa CTRINC(%rip),%ymm1 |
| vmovdqa ROT8(%rip),%ymm2 |
| vmovdqa ROT16(%rip),%ymm3 |
| |
| # x12 += counter values 0-3 |
| vpaddd %ymm1,%ymm12,%ymm12 |
| |
| mov $10,%ecx |
| |
| .Ldoubleround8: |
| # x0 += x4, x12 = rotl32(x12 ^ x0, 16) |
| vpaddd 0x00(%rsp),%ymm4,%ymm0 |
| vmovdqa %ymm0,0x00(%rsp) |
| vpxor %ymm0,%ymm12,%ymm12 |
| vpshufb %ymm3,%ymm12,%ymm12 |
| # x1 += x5, x13 = rotl32(x13 ^ x1, 16) |
| vpaddd 0x20(%rsp),%ymm5,%ymm0 |
| vmovdqa %ymm0,0x20(%rsp) |
| vpxor %ymm0,%ymm13,%ymm13 |
| vpshufb %ymm3,%ymm13,%ymm13 |
| # x2 += x6, x14 = rotl32(x14 ^ x2, 16) |
| vpaddd 0x40(%rsp),%ymm6,%ymm0 |
| vmovdqa %ymm0,0x40(%rsp) |
| vpxor %ymm0,%ymm14,%ymm14 |
| vpshufb %ymm3,%ymm14,%ymm14 |
| # x3 += x7, x15 = rotl32(x15 ^ x3, 16) |
| vpaddd 0x60(%rsp),%ymm7,%ymm0 |
| vmovdqa %ymm0,0x60(%rsp) |
| vpxor %ymm0,%ymm15,%ymm15 |
| vpshufb %ymm3,%ymm15,%ymm15 |
| |
| # x8 += x12, x4 = rotl32(x4 ^ x8, 12) |
| vpaddd %ymm12,%ymm8,%ymm8 |
| vpxor %ymm8,%ymm4,%ymm4 |
| vpslld $12,%ymm4,%ymm0 |
| vpsrld $20,%ymm4,%ymm4 |
| vpor %ymm0,%ymm4,%ymm4 |
| # x9 += x13, x5 = rotl32(x5 ^ x9, 12) |
| vpaddd %ymm13,%ymm9,%ymm9 |
| vpxor %ymm9,%ymm5,%ymm5 |
| vpslld $12,%ymm5,%ymm0 |
| vpsrld $20,%ymm5,%ymm5 |
| vpor %ymm0,%ymm5,%ymm5 |
| # x10 += x14, x6 = rotl32(x6 ^ x10, 12) |
| vpaddd %ymm14,%ymm10,%ymm10 |
| vpxor %ymm10,%ymm6,%ymm6 |
| vpslld $12,%ymm6,%ymm0 |
| vpsrld $20,%ymm6,%ymm6 |
| vpor %ymm0,%ymm6,%ymm6 |
| # x11 += x15, x7 = rotl32(x7 ^ x11, 12) |
| vpaddd %ymm15,%ymm11,%ymm11 |
| vpxor %ymm11,%ymm7,%ymm7 |
| vpslld $12,%ymm7,%ymm0 |
| vpsrld $20,%ymm7,%ymm7 |
| vpor %ymm0,%ymm7,%ymm7 |
| |
| # x0 += x4, x12 = rotl32(x12 ^ x0, 8) |
| vpaddd 0x00(%rsp),%ymm4,%ymm0 |
| vmovdqa %ymm0,0x00(%rsp) |
| vpxor %ymm0,%ymm12,%ymm12 |
| vpshufb %ymm2,%ymm12,%ymm12 |
| # x1 += x5, x13 = rotl32(x13 ^ x1, 8) |
| vpaddd 0x20(%rsp),%ymm5,%ymm0 |
| vmovdqa %ymm0,0x20(%rsp) |
| vpxor %ymm0,%ymm13,%ymm13 |
| vpshufb %ymm2,%ymm13,%ymm13 |
| # x2 += x6, x14 = rotl32(x14 ^ x2, 8) |
| vpaddd 0x40(%rsp),%ymm6,%ymm0 |
| vmovdqa %ymm0,0x40(%rsp) |
| vpxor %ymm0,%ymm14,%ymm14 |
| vpshufb %ymm2,%ymm14,%ymm14 |
| # x3 += x7, x15 = rotl32(x15 ^ x3, 8) |
| vpaddd 0x60(%rsp),%ymm7,%ymm0 |
| vmovdqa %ymm0,0x60(%rsp) |
| vpxor %ymm0,%ymm15,%ymm15 |
| vpshufb %ymm2,%ymm15,%ymm15 |
| |
| # x8 += x12, x4 = rotl32(x4 ^ x8, 7) |
| vpaddd %ymm12,%ymm8,%ymm8 |
| vpxor %ymm8,%ymm4,%ymm4 |
| vpslld $7,%ymm4,%ymm0 |
| vpsrld $25,%ymm4,%ymm4 |
| vpor %ymm0,%ymm4,%ymm4 |
| # x9 += x13, x5 = rotl32(x5 ^ x9, 7) |
| vpaddd %ymm13,%ymm9,%ymm9 |
| vpxor %ymm9,%ymm5,%ymm5 |
| vpslld $7,%ymm5,%ymm0 |
| vpsrld $25,%ymm5,%ymm5 |
| vpor %ymm0,%ymm5,%ymm5 |
| # x10 += x14, x6 = rotl32(x6 ^ x10, 7) |
| vpaddd %ymm14,%ymm10,%ymm10 |
| vpxor %ymm10,%ymm6,%ymm6 |
| vpslld $7,%ymm6,%ymm0 |
| vpsrld $25,%ymm6,%ymm6 |
| vpor %ymm0,%ymm6,%ymm6 |
| # x11 += x15, x7 = rotl32(x7 ^ x11, 7) |
| vpaddd %ymm15,%ymm11,%ymm11 |
| vpxor %ymm11,%ymm7,%ymm7 |
| vpslld $7,%ymm7,%ymm0 |
| vpsrld $25,%ymm7,%ymm7 |
| vpor %ymm0,%ymm7,%ymm7 |
| |
| # x0 += x5, x15 = rotl32(x15 ^ x0, 16) |
| vpaddd 0x00(%rsp),%ymm5,%ymm0 |
| vmovdqa %ymm0,0x00(%rsp) |
| vpxor %ymm0,%ymm15,%ymm15 |
| vpshufb %ymm3,%ymm15,%ymm15 |
| # x1 += x6, x12 = rotl32(x12 ^ x1, 16)%ymm0 |
| vpaddd 0x20(%rsp),%ymm6,%ymm0 |
| vmovdqa %ymm0,0x20(%rsp) |
| vpxor %ymm0,%ymm12,%ymm12 |
| vpshufb %ymm3,%ymm12,%ymm12 |
| # x2 += x7, x13 = rotl32(x13 ^ x2, 16) |
| vpaddd 0x40(%rsp),%ymm7,%ymm0 |
| vmovdqa %ymm0,0x40(%rsp) |
| vpxor %ymm0,%ymm13,%ymm13 |
| vpshufb %ymm3,%ymm13,%ymm13 |
| # x3 += x4, x14 = rotl32(x14 ^ x3, 16) |
| vpaddd 0x60(%rsp),%ymm4,%ymm0 |
| vmovdqa %ymm0,0x60(%rsp) |
| vpxor %ymm0,%ymm14,%ymm14 |
| vpshufb %ymm3,%ymm14,%ymm14 |
| |
| # x10 += x15, x5 = rotl32(x5 ^ x10, 12) |
| vpaddd %ymm15,%ymm10,%ymm10 |
| vpxor %ymm10,%ymm5,%ymm5 |
| vpslld $12,%ymm5,%ymm0 |
| vpsrld $20,%ymm5,%ymm5 |
| vpor %ymm0,%ymm5,%ymm5 |
| # x11 += x12, x6 = rotl32(x6 ^ x11, 12) |
| vpaddd %ymm12,%ymm11,%ymm11 |
| vpxor %ymm11,%ymm6,%ymm6 |
| vpslld $12,%ymm6,%ymm0 |
| vpsrld $20,%ymm6,%ymm6 |
| vpor %ymm0,%ymm6,%ymm6 |
| # x8 += x13, x7 = rotl32(x7 ^ x8, 12) |
| vpaddd %ymm13,%ymm8,%ymm8 |
| vpxor %ymm8,%ymm7,%ymm7 |
| vpslld $12,%ymm7,%ymm0 |
| vpsrld $20,%ymm7,%ymm7 |
| vpor %ymm0,%ymm7,%ymm7 |
| # x9 += x14, x4 = rotl32(x4 ^ x9, 12) |
| vpaddd %ymm14,%ymm9,%ymm9 |
| vpxor %ymm9,%ymm4,%ymm4 |
| vpslld $12,%ymm4,%ymm0 |
| vpsrld $20,%ymm4,%ymm4 |
| vpor %ymm0,%ymm4,%ymm4 |
| |
| # x0 += x5, x15 = rotl32(x15 ^ x0, 8) |
| vpaddd 0x00(%rsp),%ymm5,%ymm0 |
| vmovdqa %ymm0,0x00(%rsp) |
| vpxor %ymm0,%ymm15,%ymm15 |
| vpshufb %ymm2,%ymm15,%ymm15 |
| # x1 += x6, x12 = rotl32(x12 ^ x1, 8) |
| vpaddd 0x20(%rsp),%ymm6,%ymm0 |
| vmovdqa %ymm0,0x20(%rsp) |
| vpxor %ymm0,%ymm12,%ymm12 |
| vpshufb %ymm2,%ymm12,%ymm12 |
| # x2 += x7, x13 = rotl32(x13 ^ x2, 8) |
| vpaddd 0x40(%rsp),%ymm7,%ymm0 |
| vmovdqa %ymm0,0x40(%rsp) |
| vpxor %ymm0,%ymm13,%ymm13 |
| vpshufb %ymm2,%ymm13,%ymm13 |
| # x3 += x4, x14 = rotl32(x14 ^ x3, 8) |
| vpaddd 0x60(%rsp),%ymm4,%ymm0 |
| vmovdqa %ymm0,0x60(%rsp) |
| vpxor %ymm0,%ymm14,%ymm14 |
| vpshufb %ymm2,%ymm14,%ymm14 |
| |
| # x10 += x15, x5 = rotl32(x5 ^ x10, 7) |
| vpaddd %ymm15,%ymm10,%ymm10 |
| vpxor %ymm10,%ymm5,%ymm5 |
| vpslld $7,%ymm5,%ymm0 |
| vpsrld $25,%ymm5,%ymm5 |
| vpor %ymm0,%ymm5,%ymm5 |
| # x11 += x12, x6 = rotl32(x6 ^ x11, 7) |
| vpaddd %ymm12,%ymm11,%ymm11 |
| vpxor %ymm11,%ymm6,%ymm6 |
| vpslld $7,%ymm6,%ymm0 |
| vpsrld $25,%ymm6,%ymm6 |
| vpor %ymm0,%ymm6,%ymm6 |
| # x8 += x13, x7 = rotl32(x7 ^ x8, 7) |
| vpaddd %ymm13,%ymm8,%ymm8 |
| vpxor %ymm8,%ymm7,%ymm7 |
| vpslld $7,%ymm7,%ymm0 |
| vpsrld $25,%ymm7,%ymm7 |
| vpor %ymm0,%ymm7,%ymm7 |
| # x9 += x14, x4 = rotl32(x4 ^ x9, 7) |
| vpaddd %ymm14,%ymm9,%ymm9 |
| vpxor %ymm9,%ymm4,%ymm4 |
| vpslld $7,%ymm4,%ymm0 |
| vpsrld $25,%ymm4,%ymm4 |
| vpor %ymm0,%ymm4,%ymm4 |
| |
| dec %ecx |
| jnz .Ldoubleround8 |
| |
| # x0..15[0-3] += s[0..15] |
| vpbroadcastd 0x00(%rdi),%ymm0 |
| vpaddd 0x00(%rsp),%ymm0,%ymm0 |
| vmovdqa %ymm0,0x00(%rsp) |
| vpbroadcastd 0x04(%rdi),%ymm0 |
| vpaddd 0x20(%rsp),%ymm0,%ymm0 |
| vmovdqa %ymm0,0x20(%rsp) |
| vpbroadcastd 0x08(%rdi),%ymm0 |
| vpaddd 0x40(%rsp),%ymm0,%ymm0 |
| vmovdqa %ymm0,0x40(%rsp) |
| vpbroadcastd 0x0c(%rdi),%ymm0 |
| vpaddd 0x60(%rsp),%ymm0,%ymm0 |
| vmovdqa %ymm0,0x60(%rsp) |
| vpbroadcastd 0x10(%rdi),%ymm0 |
| vpaddd %ymm0,%ymm4,%ymm4 |
| vpbroadcastd 0x14(%rdi),%ymm0 |
| vpaddd %ymm0,%ymm5,%ymm5 |
| vpbroadcastd 0x18(%rdi),%ymm0 |
| vpaddd %ymm0,%ymm6,%ymm6 |
| vpbroadcastd 0x1c(%rdi),%ymm0 |
| vpaddd %ymm0,%ymm7,%ymm7 |
| vpbroadcastd 0x20(%rdi),%ymm0 |
| vpaddd %ymm0,%ymm8,%ymm8 |
| vpbroadcastd 0x24(%rdi),%ymm0 |
| vpaddd %ymm0,%ymm9,%ymm9 |
| vpbroadcastd 0x28(%rdi),%ymm0 |
| vpaddd %ymm0,%ymm10,%ymm10 |
| vpbroadcastd 0x2c(%rdi),%ymm0 |
| vpaddd %ymm0,%ymm11,%ymm11 |
| vpbroadcastd 0x30(%rdi),%ymm0 |
| vpaddd %ymm0,%ymm12,%ymm12 |
| vpbroadcastd 0x34(%rdi),%ymm0 |
| vpaddd %ymm0,%ymm13,%ymm13 |
| vpbroadcastd 0x38(%rdi),%ymm0 |
| vpaddd %ymm0,%ymm14,%ymm14 |
| vpbroadcastd 0x3c(%rdi),%ymm0 |
| vpaddd %ymm0,%ymm15,%ymm15 |
| |
| # x12 += counter values 0-3 |
| vpaddd %ymm1,%ymm12,%ymm12 |
| |
| # interleave 32-bit words in state n, n+1 |
| vmovdqa 0x00(%rsp),%ymm0 |
| vmovdqa 0x20(%rsp),%ymm1 |
| vpunpckldq %ymm1,%ymm0,%ymm2 |
| vpunpckhdq %ymm1,%ymm0,%ymm1 |
| vmovdqa %ymm2,0x00(%rsp) |
| vmovdqa %ymm1,0x20(%rsp) |
| vmovdqa 0x40(%rsp),%ymm0 |
| vmovdqa 0x60(%rsp),%ymm1 |
| vpunpckldq %ymm1,%ymm0,%ymm2 |
| vpunpckhdq %ymm1,%ymm0,%ymm1 |
| vmovdqa %ymm2,0x40(%rsp) |
| vmovdqa %ymm1,0x60(%rsp) |
| vmovdqa %ymm4,%ymm0 |
| vpunpckldq %ymm5,%ymm0,%ymm4 |
| vpunpckhdq %ymm5,%ymm0,%ymm5 |
| vmovdqa %ymm6,%ymm0 |
| vpunpckldq %ymm7,%ymm0,%ymm6 |
| vpunpckhdq %ymm7,%ymm0,%ymm7 |
| vmovdqa %ymm8,%ymm0 |
| vpunpckldq %ymm9,%ymm0,%ymm8 |
| vpunpckhdq %ymm9,%ymm0,%ymm9 |
| vmovdqa %ymm10,%ymm0 |
| vpunpckldq %ymm11,%ymm0,%ymm10 |
| vpunpckhdq %ymm11,%ymm0,%ymm11 |
| vmovdqa %ymm12,%ymm0 |
| vpunpckldq %ymm13,%ymm0,%ymm12 |
| vpunpckhdq %ymm13,%ymm0,%ymm13 |
| vmovdqa %ymm14,%ymm0 |
| vpunpckldq %ymm15,%ymm0,%ymm14 |
| vpunpckhdq %ymm15,%ymm0,%ymm15 |
| |
| # interleave 64-bit words in state n, n+2 |
| vmovdqa 0x00(%rsp),%ymm0 |
| vmovdqa 0x40(%rsp),%ymm2 |
| vpunpcklqdq %ymm2,%ymm0,%ymm1 |
| vpunpckhqdq %ymm2,%ymm0,%ymm2 |
| vmovdqa %ymm1,0x00(%rsp) |
| vmovdqa %ymm2,0x40(%rsp) |
| vmovdqa 0x20(%rsp),%ymm0 |
| vmovdqa 0x60(%rsp),%ymm2 |
| vpunpcklqdq %ymm2,%ymm0,%ymm1 |
| vpunpckhqdq %ymm2,%ymm0,%ymm2 |
| vmovdqa %ymm1,0x20(%rsp) |
| vmovdqa %ymm2,0x60(%rsp) |
| vmovdqa %ymm4,%ymm0 |
| vpunpcklqdq %ymm6,%ymm0,%ymm4 |
| vpunpckhqdq %ymm6,%ymm0,%ymm6 |
| vmovdqa %ymm5,%ymm0 |
| vpunpcklqdq %ymm7,%ymm0,%ymm5 |
| vpunpckhqdq %ymm7,%ymm0,%ymm7 |
| vmovdqa %ymm8,%ymm0 |
| vpunpcklqdq %ymm10,%ymm0,%ymm8 |
| vpunpckhqdq %ymm10,%ymm0,%ymm10 |
| vmovdqa %ymm9,%ymm0 |
| vpunpcklqdq %ymm11,%ymm0,%ymm9 |
| vpunpckhqdq %ymm11,%ymm0,%ymm11 |
| vmovdqa %ymm12,%ymm0 |
| vpunpcklqdq %ymm14,%ymm0,%ymm12 |
| vpunpckhqdq %ymm14,%ymm0,%ymm14 |
| vmovdqa %ymm13,%ymm0 |
| vpunpcklqdq %ymm15,%ymm0,%ymm13 |
| vpunpckhqdq %ymm15,%ymm0,%ymm15 |
| |
| # interleave 128-bit words in state n, n+4 |
| vmovdqa 0x00(%rsp),%ymm0 |
| vperm2i128 $0x20,%ymm4,%ymm0,%ymm1 |
| vperm2i128 $0x31,%ymm4,%ymm0,%ymm4 |
| vmovdqa %ymm1,0x00(%rsp) |
| vmovdqa 0x20(%rsp),%ymm0 |
| vperm2i128 $0x20,%ymm5,%ymm0,%ymm1 |
| vperm2i128 $0x31,%ymm5,%ymm0,%ymm5 |
| vmovdqa %ymm1,0x20(%rsp) |
| vmovdqa 0x40(%rsp),%ymm0 |
| vperm2i128 $0x20,%ymm6,%ymm0,%ymm1 |
| vperm2i128 $0x31,%ymm6,%ymm0,%ymm6 |
| vmovdqa %ymm1,0x40(%rsp) |
| vmovdqa 0x60(%rsp),%ymm0 |
| vperm2i128 $0x20,%ymm7,%ymm0,%ymm1 |
| vperm2i128 $0x31,%ymm7,%ymm0,%ymm7 |
| vmovdqa %ymm1,0x60(%rsp) |
| vperm2i128 $0x20,%ymm12,%ymm8,%ymm0 |
| vperm2i128 $0x31,%ymm12,%ymm8,%ymm12 |
| vmovdqa %ymm0,%ymm8 |
| vperm2i128 $0x20,%ymm13,%ymm9,%ymm0 |
| vperm2i128 $0x31,%ymm13,%ymm9,%ymm13 |
| vmovdqa %ymm0,%ymm9 |
| vperm2i128 $0x20,%ymm14,%ymm10,%ymm0 |
| vperm2i128 $0x31,%ymm14,%ymm10,%ymm14 |
| vmovdqa %ymm0,%ymm10 |
| vperm2i128 $0x20,%ymm15,%ymm11,%ymm0 |
| vperm2i128 $0x31,%ymm15,%ymm11,%ymm15 |
| vmovdqa %ymm0,%ymm11 |
| |
| # xor with corresponding input, write to output |
| vmovdqa 0x00(%rsp),%ymm0 |
| vpxor 0x0000(%rdx),%ymm0,%ymm0 |
| vmovdqu %ymm0,0x0000(%rsi) |
| vmovdqa 0x20(%rsp),%ymm0 |
| vpxor 0x0080(%rdx),%ymm0,%ymm0 |
| vmovdqu %ymm0,0x0080(%rsi) |
| vmovdqa 0x40(%rsp),%ymm0 |
| vpxor 0x0040(%rdx),%ymm0,%ymm0 |
| vmovdqu %ymm0,0x0040(%rsi) |
| vmovdqa 0x60(%rsp),%ymm0 |
| vpxor 0x00c0(%rdx),%ymm0,%ymm0 |
| vmovdqu %ymm0,0x00c0(%rsi) |
| vpxor 0x0100(%rdx),%ymm4,%ymm4 |
| vmovdqu %ymm4,0x0100(%rsi) |
| vpxor 0x0180(%rdx),%ymm5,%ymm5 |
| vmovdqu %ymm5,0x00180(%rsi) |
| vpxor 0x0140(%rdx),%ymm6,%ymm6 |
| vmovdqu %ymm6,0x0140(%rsi) |
| vpxor 0x01c0(%rdx),%ymm7,%ymm7 |
| vmovdqu %ymm7,0x01c0(%rsi) |
| vpxor 0x0020(%rdx),%ymm8,%ymm8 |
| vmovdqu %ymm8,0x0020(%rsi) |
| vpxor 0x00a0(%rdx),%ymm9,%ymm9 |
| vmovdqu %ymm9,0x00a0(%rsi) |
| vpxor 0x0060(%rdx),%ymm10,%ymm10 |
| vmovdqu %ymm10,0x0060(%rsi) |
| vpxor 0x00e0(%rdx),%ymm11,%ymm11 |
| vmovdqu %ymm11,0x00e0(%rsi) |
| vpxor 0x0120(%rdx),%ymm12,%ymm12 |
| vmovdqu %ymm12,0x0120(%rsi) |
| vpxor 0x01a0(%rdx),%ymm13,%ymm13 |
| vmovdqu %ymm13,0x01a0(%rsi) |
| vpxor 0x0160(%rdx),%ymm14,%ymm14 |
| vmovdqu %ymm14,0x0160(%rsi) |
| vpxor 0x01e0(%rdx),%ymm15,%ymm15 |
| vmovdqu %ymm15,0x01e0(%rsi) |
| |
| vzeroupper |
| mov %r8,%rsp |
| ret |
| ENDPROC(chacha20_8block_xor_avx2) |
