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/* blake2b-amd64-avx512.S - AVX512 implementation of BLAKE2b
*
* Copyright (C) 2022 Jussi Kivilinna <jussi.kivilinna@iki.fi>
*
* This file is part of Libgcrypt.
*
* Libgcrypt is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* Libgcrypt is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
/* The code is based on public-domain/CC0 BLAKE2 reference implementation
* by Samual Neves, at https://github.com/BLAKE2/BLAKE2/tree/master/sse
* Copyright 2012, Samuel Neves <sneves@dei.uc.pt>
*/
#ifdef __x86_64
#include <config.h>
#if defined(HAVE_GCC_INLINE_ASM_AVX512) && \
(defined(HAVE_COMPATIBLE_GCC_AMD64_PLATFORM_AS) || \
defined(HAVE_COMPATIBLE_GCC_WIN64_PLATFORM_AS))
#include "asm-common-amd64.h"
/* register macros */
#define RSTATE %rdi
#define RINBLKS %rsi
#define RNBLKS %rdx
#define RIV %rcx
/* state structure */
#define STATE_H 0
#define STATE_T (STATE_H + 8 * 8)
#define STATE_F (STATE_T + 2 * 8)
/* vector registers */
#define ROW1 %ymm0
#define ROW2 %ymm1
#define ROW3 %ymm2
#define ROW4 %ymm3
#define TMP1 %ymm4
#define TMP1x %xmm4
#define R16 %ymm13
#define MA1 %ymm5
#define MA2 %ymm6
#define MA3 %ymm7
#define MA4 %ymm8
#define MA1x %xmm5
#define MA2x %xmm6
#define MA3x %xmm7
#define MA4x %xmm8
#define MB1 %ymm9
#define MB2 %ymm10
#define MB3 %ymm11
#define MB4 %ymm12
#define MB1x %xmm9
#define MB2x %xmm10
#define MB3x %xmm11
#define MB4x %xmm12
/**********************************************************************
blake2b/AVX2
**********************************************************************/
#define VPINSRQ_KMASK(kpos, qpos, mem, vreg) \
vmovdqu64 -((qpos) * 8) + mem, vreg {kpos}
#define GATHER_MSG(m1, m2, m3, m4, m1x, m2x, m3x, m4x, \
s0, s1, s2, s3, s4, s5, s6, s7, s8, \
s9, s10, s11, s12, s13, s14, s15) \
vmovq (s0)*8(RINBLKS), m1x; \
vmovq (s1)*8(RINBLKS), m2x; \
vmovq (s8)*8(RINBLKS), m3x; \
vmovq (s9)*8(RINBLKS), m4x; \
VPINSRQ_KMASK(%k1, 1, (s2)*8(RINBLKS), m1); \
VPINSRQ_KMASK(%k1, 1, (s3)*8(RINBLKS), m2); \
VPINSRQ_KMASK(%k1, 1, (s10)*8(RINBLKS), m3); \
VPINSRQ_KMASK(%k1, 1, (s11)*8(RINBLKS), m4); \
VPINSRQ_KMASK(%k2, 2, (s4)*8(RINBLKS), m1); \
VPINSRQ_KMASK(%k2, 2, (s5)*8(RINBLKS), m2); \
VPINSRQ_KMASK(%k2, 2, (s12)*8(RINBLKS), m3); \
VPINSRQ_KMASK(%k2, 2, (s13)*8(RINBLKS), m4); \
VPINSRQ_KMASK(%k3, 3, (s6)*8(RINBLKS), m1); \
VPINSRQ_KMASK(%k3, 3, (s7)*8(RINBLKS), m2); \
VPINSRQ_KMASK(%k3, 3, (s14)*8(RINBLKS), m3); \
VPINSRQ_KMASK(%k3, 3, (s15)*8(RINBLKS), m4);
#define GATHER_MSG_2(m1, m2, m3, m4, m1x, m2x, m3x, m4x, \
s0, s1, s2, s3, s4, s5, s6, s7, s8, \
s9, s10, s11, s12, s13, s14, s15) \
vmovdqu (s0)*8(RINBLKS), m1x; /* merged load */ \
vmovq (s1)*8(RINBLKS), m2x; \
vmovq (s8)*8(RINBLKS), m3x; \
vmovq (s9)*8(RINBLKS), m4x; \
VPINSRQ_KMASK(%k1, 1, (s3)*8(RINBLKS), m2); \
VPINSRQ_KMASK(%k1, 1, (s10)*8(RINBLKS), m3); \
VPINSRQ_KMASK(%k1, 1, (s11)*8(RINBLKS), m4); \
VPINSRQ_KMASK(%k2, 2, (s4)*8(RINBLKS), m1); \
VPINSRQ_KMASK(%k2, 2, (s5)*8(RINBLKS), m2); \
VPINSRQ_KMASK(%k2, 2, (s12)*8(RINBLKS), m3); \
VPINSRQ_KMASK(%k2, 2, (s13)*8(RINBLKS), m4); \
VPINSRQ_KMASK(%k3, 3, (s6)*8(RINBLKS), m1); \
VPINSRQ_KMASK(%k3, 3, (s7)*8(RINBLKS), m2); \
VPINSRQ_KMASK(%k3, 3, (s14)*8(RINBLKS), m3); \
VPINSRQ_KMASK(%k3, 3, (s15)*8(RINBLKS), m4);
#define GATHER_MSG_3(m1, m2, m3, m4, m1x, m2x, m3x, m4x, \
s0, s1, s2, s3, s4, s5, s6, s7, s8, \
s9, s10, s11, s12, s13, s14, s15) \
vmovq (s0)*8(RINBLKS), m1x; \
vmovq (s1)*8(RINBLKS), m2x; \
vmovdqu64 (s8)*8(RINBLKS), m3 {%k4}{z}; /* merged load */ \
vmovq (s9)*8(RINBLKS), m4x; \
VPINSRQ_KMASK(%k1, 1, (s2)*8(RINBLKS), m1); \
VPINSRQ_KMASK(%k1, 1, (s3)*8(RINBLKS), m2); \
VPINSRQ_KMASK(%k1, 1, (s10)*8(RINBLKS), m3); \
VPINSRQ_KMASK(%k1, 1, (s11)*8(RINBLKS), m4); \
VPINSRQ_KMASK(%k2, 2, (s4)*8(RINBLKS), m1); \
VPINSRQ_KMASK(%k2, 2, (s5)*8(RINBLKS), m2); \
VPINSRQ_KMASK(%k2, 2, (s13)*8(RINBLKS), m4); \
VPINSRQ_KMASK(%k3, 3, (s6)*8(RINBLKS), m1); \
VPINSRQ_KMASK(%k3, 3, (s7)*8(RINBLKS), m2); \
VPINSRQ_KMASK(%k3, 3, (s14)*8(RINBLKS), m3); \
VPINSRQ_KMASK(%k3, 3, (s15)*8(RINBLKS), m4);
#define GATHER_MSG_5(m1, m2, m3, m4, m1x, m2x, m3x, m4x, \
s0, s1, s2, s3, s4, s5, s6, s7, s8, \
s9, s10, s11, s12, s13, s14, s15) \
vmovq (s0)*8(RINBLKS), m1x; \
vmovq (s1)*8(RINBLKS), m2x; \
vmovq (s8)*8(RINBLKS), m3x; \
vmovq (s9)*8(RINBLKS), m4x; \
VPINSRQ_KMASK(%k5, 1, (s2)*8(RINBLKS), m1); /* merged load */ \
VPINSRQ_KMASK(%k6, 1, (s3)*8(RINBLKS), m2); /* merged load */ \
VPINSRQ_KMASK(%k1, 1, (s10)*8(RINBLKS), m3); \
VPINSRQ_KMASK(%k1, 1, (s11)*8(RINBLKS), m4); \
VPINSRQ_KMASK(%k2, 2, (s4)*8(RINBLKS), m1); \
VPINSRQ_KMASK(%k2, 2, (s12)*8(RINBLKS), m3); \
VPINSRQ_KMASK(%k2, 2, (s13)*8(RINBLKS), m4); \
VPINSRQ_KMASK(%k3, 3, (s7)*8(RINBLKS), m2); \
VPINSRQ_KMASK(%k3, 3, (s14)*8(RINBLKS), m3); \
VPINSRQ_KMASK(%k3, 3, (s15)*8(RINBLKS), m4);
#define GATHER_MSG_6(m1, m2, m3, m4, m1x, m2x, m3x, m4x, \
s0, s1, s2, s3, s4, s5, s6, s7, s8, \
s9, s10, s11, s12, s13, s14, s15) \
vmovdqu64 (s0)*8(RINBLKS), m1 {%k4}{z}; /* merged load */; \
vmovq (s1)*8(RINBLKS), m2x; \
vmovq (s8)*8(RINBLKS), m3x; \
vmovq (s9)*8(RINBLKS), m4x; \
VPINSRQ_KMASK(%k1, 1, (s2)*8(RINBLKS), m1); \
VPINSRQ_KMASK(%k1, 1, (s3)*8(RINBLKS), m2); \
VPINSRQ_KMASK(%k5, 1, (s10)*8(RINBLKS), m3); /* merged load */ \
VPINSRQ_KMASK(%k1, 1, (s11)*8(RINBLKS), m4); \
VPINSRQ_KMASK(%k2, 2, (s5)*8(RINBLKS), m2); \
VPINSRQ_KMASK(%k2, 2, (s12)*8(RINBLKS), m3); \
VPINSRQ_KMASK(%k2, 2, (s13)*8(RINBLKS), m4); \
VPINSRQ_KMASK(%k3, 3, (s6)*8(RINBLKS), m1); \
VPINSRQ_KMASK(%k3, 3, (s7)*8(RINBLKS), m2); \
VPINSRQ_KMASK(%k3, 3, (s15)*8(RINBLKS), m4);
#define GATHER_MSG_8(m1, m2, m3, m4, m1x, m2x, m3x, m4x, \
s0, s1, s2, s3, s4, s5, s6, s7, s8, \
s9, s10, s11, s12, s13, s14, s15) \
vmovq (s0)*8(RINBLKS), m1x; \
vmovq (s1)*8(RINBLKS), m2x; \
vmovdqu (s8)*8(RINBLKS), m3x; /* merged load */ \
vmovq (s9)*8(RINBLKS), m4x; \
VPINSRQ_KMASK(%k1, 1, (s2)*8(RINBLKS), m1); \
VPINSRQ_KMASK(%k1, 1, (s3)*8(RINBLKS), m2); \
VPINSRQ_KMASK(%k1, 1, (s11)*8(RINBLKS), m4); \
VPINSRQ_KMASK(%k2, 2, (s4)*8(RINBLKS), m1); \
VPINSRQ_KMASK(%k2, 2, (s5)*8(RINBLKS), m2); \
VPINSRQ_KMASK(%k2, 2, (s12)*8(RINBLKS), m3); \
vinserti64x2 $1, (s13)*8(RINBLKS), m4, m4; /* merged load */ \
VPINSRQ_KMASK(%k3, 3, (s6)*8(RINBLKS), m1); \
VPINSRQ_KMASK(%k3, 3, (s7)*8(RINBLKS), m2); \
VPINSRQ_KMASK(%k3, 3, (s14)*8(RINBLKS), m3);
#define GATHER_MSG_9(m1, m2, m3, m4, m1x, m2x, m3x, m4x, \
s0, s1, s2, s3, s4, s5, s6, s7, s8, \
s9, s10, s11, s12, s13, s14, s15) \
vmovq (s0)*8(RINBLKS), m1x; \
vmovdqu64 (s1)*8(RINBLKS), m2 {%k7}{z}; /* merged load */; \
vmovq (s8)*8(RINBLKS), m3x; \
vmovq (s9)*8(RINBLKS), m4x; \
VPINSRQ_KMASK(%k1, 1, (s2)*8(RINBLKS), m1); \
VPINSRQ_KMASK(%k1, 1, (s3)*8(RINBLKS), m2); \
VPINSRQ_KMASK(%k1, 1, (s10)*8(RINBLKS), m3); \
VPINSRQ_KMASK(%k1, 1, (s11)*8(RINBLKS), m4); \
VPINSRQ_KMASK(%k2, 2, (s4)*8(RINBLKS), m1); \
VPINSRQ_KMASK(%k2, 2, (s5)*8(RINBLKS), m2); \
VPINSRQ_KMASK(%k2, 2, (s12)*8(RINBLKS), m3); \
VPINSRQ_KMASK(%k2, 2, (s13)*8(RINBLKS), m4); \
VPINSRQ_KMASK(%k3, 3, (s6)*8(RINBLKS), m1); \
VPINSRQ_KMASK(%k3, 3, (s14)*8(RINBLKS), m3); \
VPINSRQ_KMASK(%k3, 3, (s15)*8(RINBLKS), m4);
#define LOAD_MSG_0(m1, m2, m3, m4, m1x, m2x, m3x, m4x) \
GATHER_MSG(m1, m2, m3, m4, m1x, m2x, m3x, m4x, \
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
#define LOAD_MSG_1(m1, m2, m3, m4, m1x, m2x, m3x, m4x) \
GATHER_MSG(m1, m2, m3, m4, m1x, m2x, m3x, m4x, \
14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3)
#define LOAD_MSG_2(m1, m2, m3, m4, m1x, m2x, m3x, m4x) \
GATHER_MSG_2(m1, m2, m3, m4, m1x, m2x, m3x, m4x, \
11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4)
#define LOAD_MSG_3(m1, m2, m3, m4, m1x, m2x, m3x, m4x) \
GATHER_MSG_3(m1, m2, m3, m4, m1x, m2x, m3x, m4x, \
7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8)
#define LOAD_MSG_4(m1, m2, m3, m4, m1x, m2x, m3x, m4x) \
GATHER_MSG(m1, m2, m3, m4, m1x, m2x, m3x, m4x, \
9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13)
#define LOAD_MSG_5(m1, m2, m3, m4, m1x, m2x, m3x, m4x) \
GATHER_MSG_5(m1, m2, m3, m4, m1x, m2x, m3x, m4x, \
2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9)
#define LOAD_MSG_6(m1, m2, m3, m4, m1x, m2x, m3x, m4x) \
GATHER_MSG_6(m1, m2, m3, m4, m1x, m2x, m3x, m4x, \
12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11)
#define LOAD_MSG_7(m1, m2, m3, m4, m1x, m2x, m3x, m4x) \
GATHER_MSG(m1, m2, m3, m4, m1x, m2x, m3x, m4x, \
13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10)
#define LOAD_MSG_8(m1, m2, m3, m4, m1x, m2x, m3x, m4x) \
GATHER_MSG_8(m1, m2, m3, m4, m1x, m2x, m3x, m4x, \
6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5)
#define LOAD_MSG_9(m1, m2, m3, m4, m1x, m2x, m3x, m4x) \
GATHER_MSG_9(m1, m2, m3, m4, m1x, m2x, m3x, m4x, \
10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13 , 0)
#define LOAD_MSG_10(m1, m2, m3, m4, m1x, m2x, m3x, m4x) \
LOAD_MSG_0(m1, m2, m3, m4, m1x, m2x, m3x, m4x)
#define LOAD_MSG_11(m1, m2, m3, m4, m1x, m2x, m3x, m4x) \
LOAD_MSG_1(m1, m2, m3, m4, m1x, m2x, m3x, m4x)
#define LOAD_MSG(r, m1, m2, m3, m4) \
LOAD_MSG_##r(m1, m2, m3, m4, m1##x, m2##x, m3##x, m4##x)
#define ROR_32(in, out) vpshufd $0xb1, in, out
#define ROR_24(in, out) vprorq $24, in, out
#define ROR_16(in, out) vpshufb R16, in, out
#define ROR_63(in, out) vprorq $63, in, out
#define G(r1, r2, r3, r4, m, ROR_A, ROR_B) \
vpaddq m, r1, r1; \
vpaddq r2, r1, r1; \
vpxor r1, r4, r4; \
ROR_A(r4, r4); \
vpaddq r4, r3, r3; \
vpxor r3, r2, r2; \
ROR_B(r2, r2)
#define G1(r1, r2, r3, r4, m) \
G(r1, r2, r3, r4, m, ROR_32, ROR_24)
#define G2(r1, r2, r3, r4, m) \
G(r1, r2, r3, r4, m, ROR_16, ROR_63)
#define MM_SHUFFLE(z,y,x,w) \
(((z) << 6) | ((y) << 4) | ((x) << 2) | (w))
#define DIAGONALIZE(r1, r2, r3, r4) \
vpermq $MM_SHUFFLE(0,3,2,1), r2, r2; \
vpermq $MM_SHUFFLE(1,0,3,2), r3, r3; \
vpermq $MM_SHUFFLE(2,1,0,3), r4, r4
#define UNDIAGONALIZE(r1, r2, r3, r4) \
vpermq $MM_SHUFFLE(2,1,0,3), r2, r2; \
vpermq $MM_SHUFFLE(1,0,3,2), r3, r3; \
vpermq $MM_SHUFFLE(0,3,2,1), r4, r4
#define ROUND(r, m1, m2, m3, m4) \
G1(ROW1, ROW2, ROW3, ROW4, m1); \
G2(ROW1, ROW2, ROW3, ROW4, m2); \
DIAGONALIZE(ROW1, ROW2, ROW3, ROW4); \
G1(ROW1, ROW2, ROW3, ROW4, m3); \
G2(ROW1, ROW2, ROW3, ROW4, m4); \
UNDIAGONALIZE(ROW1, ROW2, ROW3, ROW4)
SECTION_RODATA
.align 32
ELF(.type _blake2b_avx512_data,@object;)
_blake2b_avx512_data:
.Liv:
.quad 0x6a09e667f3bcc908, 0xbb67ae8584caa73b
.quad 0x3c6ef372fe94f82b, 0xa54ff53a5f1d36f1
.quad 0x510e527fade682d1, 0x9b05688c2b3e6c1f
.quad 0x1f83d9abfb41bd6b, 0x5be0cd19137e2179
.Lshuf_ror16:
.byte 2, 3, 4, 5, 6, 7, 0, 1, 10, 11, 12, 13, 14, 15, 8, 9
.Lk1_mask:
.byte (1 << 1)
.Lk4_mask:
.byte (1 << 0) + (1 << 2)
.Lk5_mask:
.byte (1 << 1) + (1 << 3)
.Lk6_mask:
.byte (1 << 1) + (1 << 2)
.Lk7_mask:
.byte (1 << 0) + (1 << 3)
.text
.align 64
.globl _gcry_blake2b_transform_amd64_avx512
ELF(.type _gcry_blake2b_transform_amd64_avx512,@function;)
_gcry_blake2b_transform_amd64_avx512:
/* input:
* %rdi: state
* %rsi: blks
* %rdx: num_blks
*/
CFI_STARTPROC();
spec_stop_avx512;
kmovb .Lk1_mask rRIP, %k1;
kshiftlb $1, %k1, %k2;
kshiftlb $2, %k1, %k3;
kmovb .Lk4_mask rRIP, %k4;
kmovb .Lk5_mask rRIP, %k5;
kmovb .Lk6_mask rRIP, %k6;
kmovb .Lk7_mask rRIP, %k7;
addq $128, (STATE_T + 0)(RSTATE);
adcq $0, (STATE_T + 8)(RSTATE);
vbroadcasti128 .Lshuf_ror16 rRIP, R16;
vmovdqa .Liv+(0 * 8) rRIP, ROW3;
vmovdqa .Liv+(4 * 8) rRIP, ROW4;
vmovdqu (STATE_H + 0 * 8)(RSTATE), ROW1;
vmovdqu (STATE_H + 4 * 8)(RSTATE), ROW2;
vpxor (STATE_T)(RSTATE), ROW4, ROW4;
LOAD_MSG(0, MA1, MA2, MA3, MA4);
LOAD_MSG(1, MB1, MB2, MB3, MB4);
.align 16
.Loop:
ROUND(0, MA1, MA2, MA3, MA4);
LOAD_MSG(2, MA1, MA2, MA3, MA4);
ROUND(1, MB1, MB2, MB3, MB4);
LOAD_MSG(3, MB1, MB2, MB3, MB4);
ROUND(2, MA1, MA2, MA3, MA4);
LOAD_MSG(4, MA1, MA2, MA3, MA4);
ROUND(3, MB1, MB2, MB3, MB4);
LOAD_MSG(5, MB1, MB2, MB3, MB4);
ROUND(4, MA1, MA2, MA3, MA4);
LOAD_MSG(6, MA1, MA2, MA3, MA4);
ROUND(5, MB1, MB2, MB3, MB4);
LOAD_MSG(7, MB1, MB2, MB3, MB4);
ROUND(6, MA1, MA2, MA3, MA4);
LOAD_MSG(8, MA1, MA2, MA3, MA4);
ROUND(7, MB1, MB2, MB3, MB4);
LOAD_MSG(9, MB1, MB2, MB3, MB4);
ROUND(8, MA1, MA2, MA3, MA4);
LOAD_MSG(10, MA1, MA2, MA3, MA4);
ROUND(9, MB1, MB2, MB3, MB4);
LOAD_MSG(11, MB1, MB2, MB3, MB4);
sub $1, RNBLKS;
jz .Loop_end;
lea 128(RINBLKS), RINBLKS;
addq $128, (STATE_T + 0)(RSTATE);
adcq $0, (STATE_T + 8)(RSTATE);
ROUND(10, MA1, MA2, MA3, MA4);
LOAD_MSG(0, MA1, MA2, MA3, MA4);
ROUND(11, MB1, MB2, MB3, MB4);
LOAD_MSG(1, MB1, MB2, MB3, MB4);
vpternlogq $0x96, (STATE_H + 0 * 8)(RSTATE), ROW3, ROW1;
vpternlogq $0x96, (STATE_H + 4 * 8)(RSTATE), ROW4, ROW2;
vmovdqa .Liv+(0 * 8) rRIP, ROW3;
vmovdqa .Liv+(4 * 8) rRIP, ROW4;
vmovdqu ROW1, (STATE_H + 0 * 8)(RSTATE);
vmovdqu ROW2, (STATE_H + 4 * 8)(RSTATE);
vpxor (STATE_T)(RSTATE), ROW4, ROW4;
jmp .Loop;
.align 16
.Loop_end:
ROUND(10, MA1, MA2, MA3, MA4);
ROUND(11, MB1, MB2, MB3, MB4);
vpternlogq $0x96, (STATE_H + 0 * 8)(RSTATE), ROW3, ROW1;
vpternlogq $0x96, (STATE_H + 4 * 8)(RSTATE), ROW4, ROW2;
vmovdqu ROW1, (STATE_H + 0 * 8)(RSTATE);
vmovdqu ROW2, (STATE_H + 4 * 8)(RSTATE);
xorl %eax, %eax;
kxord %k1, %k1, %k1;
kxord %k2, %k2, %k2;
kxord %k3, %k3, %k3;
kxord %k4, %k4, %k4;
kxord %k5, %k5, %k5;
kxord %k6, %k6, %k6;
kxord %k7, %k7, %k7;
vzeroall;
ret_spec_stop;
CFI_ENDPROC();
ELF(.size _gcry_blake2b_transform_amd64_avx512,
.-_gcry_blake2b_transform_amd64_avx512;)
#endif /*defined(HAVE_COMPATIBLE_GCC_AMD64_PLATFORM_AS)*/
#endif /*__x86_64*/

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