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keccak_f1600_x2_v84a_asm_v2pp7.s
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keccak_f1600_x2_v84a_asm_v2pp7.s
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/*
* Copyright (c) 2021-2022 Arm Limited
* Copyright (c) 2022 Matthias Kannwischer
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
//
// Author: Hanno Becker <[email protected]>
// Author: Matthias Kannwischer <[email protected]>
//
#include "macros.s"
#if defined(__ARM_FEATURE_SVE2)
/********************** CONSTANTS *************************/
.data
.align(8)
_round_constants:
.quad 0x0000000000000001
.quad 0x0000000000008082
.quad 0x800000000000808a
.quad 0x8000000080008000
.quad 0x000000000000808b
.quad 0x0000000080000001
.quad 0x8000000080008081
.quad 0x8000000000008009
.quad 0x000000000000008a
.quad 0x0000000000000088
.quad 0x0000000080008009
.quad 0x000000008000000a
.quad 0x000000008000808b
.quad 0x800000000000008b
.quad 0x8000000000008089
.quad 0x8000000000008003
.quad 0x8000000000008002
.quad 0x8000000000000080
.quad 0x000000000000800a
.quad 0x800000008000000a
.quad 0x8000000080008081
.quad 0x8000000000008080
.quad 0x0000000080000001
.quad 0x8000000080008008
round_constants:
.quad 0x0000000000000001
.quad 0x0000000000000001
.quad 0x0000000000008082
.quad 0x0000000000008082
.quad 0x800000000000808a
.quad 0x800000000000808a
.quad 0x8000000080008000
.quad 0x8000000080008000
.quad 0x000000000000808b
.quad 0x000000000000808b
.quad 0x0000000080000001
.quad 0x0000000080000001
.quad 0x8000000080008081
.quad 0x8000000080008081
.quad 0x8000000000008009
.quad 0x8000000000008009
.quad 0x000000000000008a
.quad 0x000000000000008a
.quad 0x0000000000000088
.quad 0x0000000000000088
.quad 0x0000000080008009
.quad 0x0000000080008009
.quad 0x000000008000000a
.quad 0x000000008000000a
.quad 0x000000008000808b
.quad 0x000000008000808b
.quad 0x800000000000008b
.quad 0x800000000000008b
.quad 0x8000000000008089
.quad 0x8000000000008089
.quad 0x8000000000008003
.quad 0x8000000000008003
.quad 0x8000000000008002
.quad 0x8000000000008002
.quad 0x8000000000000080
.quad 0x8000000000000080
.quad 0x000000000000800a
.quad 0x000000000000800a
.quad 0x800000008000000a
.quad 0x800000008000000a
.quad 0x8000000080008081
.quad 0x8000000080008081
.quad 0x8000000000008080
.quad 0x8000000000008080
.quad 0x0000000080000001
.quad 0x0000000080000001
.quad 0x8000000080008008
.quad 0x8000000080008008
/****************** REGISTER ALLOCATIONS *******************/
input_addr .req x0
const_addr .req x1
count .req x2
cur_const .req x3
/* Mapping of Kecck-f1600 state to vector registers
* at the beginning and end of each round. */
Aba .req v0
Abe .req v1
Abi .req v2
Abo .req v3
Abu .req v4
Aga .req v5
Age .req v6
Agi .req v7
Ago .req v8
Agu .req v9
Aka .req v10
Ake .req v11
Aki .req v12
Ako .req v13
Aku .req v14
Ama .req v15
Ame .req v16
Ami .req v17
Amo .req v18
Amu .req v19
Asa .req v20
Ase .req v21
Asi .req v22
Aso .req v23
Asu .req v24
/* q-form of the above mapping */
Abaq .req q0
Abeq .req q1
Abiq .req q2
Aboq .req q3
Abuq .req q4
Agaq .req q5
Ageq .req q6
Agiq .req q7
Agoq .req q8
Aguq .req q9
Akaq .req q10
Akeq .req q11
Akiq .req q12
Akoq .req q13
Akuq .req q14
Amaq .req q15
Ameq .req q16
Amiq .req q17
Amoq .req q18
Amuq .req q19
Asaq .req q20
Aseq .req q21
Asiq .req q22
Asoq .req q23
Asuq .req q24
/* z-form of the above mapping */
Abaz .req z0
Abez .req z1
Abiz .req z2
Aboz .req z3
Abuz .req z4
Agaz .req z5
Agez .req z6
Agiz .req z7
Agoz .req z8
Aguz .req z9
Akaz .req z10
Akez .req z11
Akiz .req z12
Akoz .req z13
Akuz .req z14
Amaz .req z15
Amez .req z16
Amiz .req z17
Amoz .req z18
Amuz .req z19
Asaz .req z20
Asez .req z21
Asiz .req z22
Asoz .req z23
Asuz .req z24
/* C[x] = A[x,0] xor A[x,1] xor A[x,2] xor A[x,3] xor A[x,4], for x in 0..4 */
C0 .req v27
C1 .req v28
C2 .req v29
C3 .req v30
C4 .req v31
C0q .req q27
C1q .req q28
C2q .req q29
C3q .req q30
C4q .req q31
/* A_[y,2*x+3*y] = rot(A[x,y]) */
vBba .req v25 // fresh
vBbe .req v26 // fresh
vBbi .req Abi
vBbo .req Abo
vBbu .req Abu
vBga .req Aka
vBge .req Ake
vBgi .req Agi
vBgo .req Ago
vBgu .req Agu
vBka .req Ama
vBke .req Ame
vBki .req Aki
vBko .req Ako
vBku .req Aku
vBma .req Asa
vBme .req Ase
vBmi .req Ami
vBmo .req Amo
vBmu .req Amu
vBsa .req Aba
vBse .req Abe
vBsi .req Asi
vBso .req Aso
vBsu .req Asu
vBbaq .req q25 // fresh
vBbeq .req q26 // fresh
vBbiq .req Abiq
vBboq .req Aboq
vBbuq .req Abuq
vBgaq .req Akaq
vBgeq .req Akeq
vBgiq .req Agiq
vBgoq .req Agoq
vBguq .req Aguq
vBkaq .req Amaq
vBkeq .req Ameq
vBkiq .req Akiq
vBkoq .req Akoq
vBkuq .req Akuq
vBmaq .req Asaq
vBmeq .req Aseq
vBmiq .req Amiq
vBmoq .req Amoq
vBmuq .req Amuq
vBsaq .req Abaq
vBseq .req Abeq
vBsiq .req Asiq
vBsoq .req Asoq
vBsuq .req Asuq
vBbaz .req z25 // fresh
vBbez .req z26 // fresh
vBbiz .req Abiz
vBboz .req Aboz
vBbuz .req Abuz
vBgaz .req Akaz
vBgez .req Akez
vBgiz .req Agiz
vBgoz .req Agoz
vBguz .req Aguz
vBkaz .req Amaz
vBkez .req Amez
vBkiz .req Akiz
vBkoz .req Akoz
vBkuz .req Akuz
vBmaz .req Asaz
vBmez .req Asez
vBmiz .req Amiz
vBmoz .req Amoz
vBmuz .req Amuz
vBsaz .req Abaz
vBsez .req Abez
vBsiz .req Asiz
vBsoz .req Asoz
vBsuz .req Asuz
/* E[x] = C[x-1] xor rot(C[x+1],1), for x in 0..4 */
E0 .req C4
E1 .req C0
E2 .req vBbe // fresh
E3 .req C2
E4 .req C3
E0q .req C4q
E1q .req C0q
E2q .req vBbeq // fresh
E3q .req C2q
E4q .req C3q
/************************ MACROS ****************************/
.macro load_input
ldp Abaq, Abeq, [input_addr, #(2*8*0)]
ldp Abiq, Aboq, [input_addr, #(2*8*2)]
ldp Abuq, Agaq, [input_addr, #(2*8*4)]
ldp Ageq, Agiq, [input_addr, #(2*8*6)]
ldp Agoq, Aguq, [input_addr, #(2*8*8)]
ldp Akaq, Akeq, [input_addr, #(2*8*10)]
ldp Akiq, Akoq, [input_addr, #(2*8*12)]
ldp Akuq, Amaq, [input_addr, #(2*8*14)]
ldp Ameq, Amiq, [input_addr, #(2*8*16)]
ldp Amoq, Amuq, [input_addr, #(2*8*18)]
ldp Asaq, Aseq, [input_addr, #(2*8*20)]
ldp Asiq, Asoq, [input_addr, #(2*8*22)]
ldr Asuq, [input_addr, #(2*8*24)]
.endm
.macro store_input
str Abaq, [input_addr, #(2*8*0)]
str Abeq, [input_addr, #(2*8*1)]
str Abiq, [input_addr, #(2*8*2)]
str Aboq, [input_addr, #(2*8*3)]
str Abuq, [input_addr, #(2*8*4)]
str Agaq, [input_addr, #(2*8*5)]
str Ageq, [input_addr, #(2*8*6)]
str Agiq, [input_addr, #(2*8*7)]
str Agoq, [input_addr, #(2*8*8)]
str Aguq, [input_addr, #(2*8*9)]
str Akaq, [input_addr, #(2*8*10)]
str Akeq, [input_addr, #(2*8*11)]
str Akiq, [input_addr, #(2*8*12)]
str Akoq, [input_addr, #(2*8*13)]
str Akuq, [input_addr, #(2*8*14)]
str Amaq, [input_addr, #(2*8*15)]
str Ameq, [input_addr, #(2*8*16)]
str Amiq, [input_addr, #(2*8*17)]
str Amoq, [input_addr, #(2*8*18)]
str Amuq, [input_addr, #(2*8*19)]
str Asaq, [input_addr, #(2*8*20)]
str Aseq, [input_addr, #(2*8*21)]
str Asiq, [input_addr, #(2*8*22)]
str Asoq, [input_addr, #(2*8*23)]
str Asuq, [input_addr, #(2*8*24)]
.endm
#define STACK_SIZE (16*4 + 16*34)
#define STACK_BASE_VREGS 0
#define STACK_BASE_TMP 16*4
#define Aga_offset 0
#define E0_offset 1
#define E1_offset 2
#define E2_offset 3
#define E3_offset 4
#define E4_offset 5
#define Ame_offset 7
#define Agi_offset 8
#define Aka_offset 9
#define Abo_offset 10
#define Amo_offset 11
#define Ami_offset 12
#define Ake_offset 13
#define Agu_offset 14
#define Asi_offset 15
#define Aku_offset 16
#define Asa_offset 17
#define Abu_offset 18
#define Asu_offset 19
#define Ase_offset 20
//#define Aga_offset 21
#define Age_offset 22
#define vBgo_offset 23
#define vBke_offset 24
#define vBgi_offset 25
#define vBga_offset 26
#define vBbo_offset 27
#define vBmo_offset 28
#define vBmi_offset 29
#define vBge_offset 30
.macro alloc_stack
sub sp, sp, #(STACK_SIZE)
.endm
.macro free_stack
add sp, sp, #(STACK_SIZE)
.endm
#define save(name) \
str name ## q, [sp, #(STACK_BASE_TMP + 16 * name ## _offset)]
#define restore(name) \
ldr name ## q, [sp, #(STACK_BASE_TMP + 16 * name ## _offset)]
.macro save_vregs
stp d8, d9, [sp, #(STACK_BASE_VREGS + 16*0)]
stp d10, d11, [sp, #(STACK_BASE_VREGS + 16*1)]
stp d12, d13, [sp, #(STACK_BASE_VREGS + 16*2)]
stp d14, d15, [sp, #(STACK_BASE_VREGS + 16*3)]
.endm
.macro restore_vregs
ldp d8, d9, [sp, #(STACK_BASE_VREGS + 16*0)]
ldp d10, d11, [sp, #(STACK_BASE_VREGS + 16*1)]
ldp d12, d13, [sp, #(STACK_BASE_VREGS + 16*2)]
ldp d14, d15, [sp, #(STACK_BASE_VREGS + 16*3)]
.endm
/* Macros using v8.4-A SHA-3 instructions */
.macro eor3_m1_0 d s0 s1 s2
eor \d\().16b, \s0\().16b, \s1\().16b
.endm
.macro eor2 d s0 s1
eor \d\().16b, \s0\().16b, \s1\().16b
.endm
.macro eor3_m1_1 d s0 s1 s2
eor \d\().16b, \d\().16b, \s2\().16b
.endm
.macro eor3_m1 d s0 s1 s2
eor3_m1_0 \d, \s0, \s1, \s2
eor3_m1_1 \d, \s0, \s1, \s2
.endm
.macro rax1_m1 d s0 s1
// Use add instead of SHL #1
add tmp.2d, \s1\().2d, \s1\().2d
sri tmp.2d, \s1\().2d, #63
eor \d\().16b, tmp.16b, \s0\().16b
.endm
xar_m1_const:
.quad (1ULL<<(64-61))
.quad (1ULL<<(64-56))
.quad (1ULL<<(64-50))
.quad (1ULL<<(64-46))
.quad (1ULL<<(64-44))
.quad (1ULL<<(64-43))
.quad (1ULL<<(64-39))
.quad (1ULL<<(64-36))
.quad (1ULL<<(64-21))
.quad (1ULL<<(64-19))
.quad (1ULL<<(64-9))
.quad (1ULL<<(64-3))
xar_m1_const_addr: .quad xar_m1_const
.macro xar_m1 d s0 s1 imm
// Special cases where we can replace SHLs by ADDs
.if \imm == 21
eor \s0\().16b, \s0\().16b, \s1\().16b
ldr \d\()q, [x17, #64]
mul \d\()z\().d, \s0\()z\().d, \d\()z\().d[0]
sri \d\().2d, \s0\().2d, #(\imm)
.elseif \imm == 39
eor \s0\().16b, \s0\().16b, \s1\().16b
ldr \d\()q, [x17, #48]
mul \d\()z\().d, \s0\()z\().d, \d\()z\().d[0]
sri \d\().2d, \s0\().2d, #(\imm)
.elseif \imm == 56
eor \s0\().16b, \s0\().16b, \s1\().16b
ldr \d\()q, [x17]
mul \d\()z\().d, \s0\()z\().d, \d\()z\().d[1]
sri \d\().2d, \s0\().2d, #(\imm)
.elseif \imm == 63
eor \s0\().16b, \s0\().16b, \s1\().16b
add \d\().2d, \s0\().2d, \s0\().2d
sri \d\().2d, \s0\().2d, #(63)
.elseif \imm == 9
eor \s0\().16b, \s0\().16b, \s1\().16b
ldr \d\()q, [x17, #80]
mul \d\()z\().d, \s0\()z\().d, \d\()z\().d[0]
sri \d\().2d, \s0\().2d, #(\imm)
.elseif \imm == 19
eor \s0\().16b, \s0\().16b, \s1\().16b
ldr \d\()q, [x17, #64]
mul \d\()z\().d, \s0\()z\().d, \d\()z\().d[1]
sri \d\().2d, \s0\().2d, #(\imm)
.elseif \imm == 61
eor \s0\().16b, \s0\().16b, \s1\().16b
ldr \d\()q, [x17]
mul \d\()z\().d, \s0\()z\().d, \d\()z\().d[0]
sri \d\().2d, \s0\().2d, #(\imm)
.elseif \imm == 36
eor \s0\().16b, \s0\().16b, \s1\().16b
ldr \d\()q, [x17, #48]
mul \d\()z\().d, \s0\()z\().d, \d\()z\().d[1]
sri \d\().2d, \s0\().2d, #(\imm)
.elseif \imm == 43
eor \s0\().16b, \s0\().16b, \s1\().16b
ldr \d\()q, [x17, #32]
mul \d\()z\().d, \s0\()z\().d, \d\()z\().d[1]
sri \d\().2d, \s0\().2d, #(\imm)
.elseif \imm == 44
eor \s0\().16b, \s0\().16b, \s1\().16b
ldr \d\()q, [x17, #32]
mul \d\()z\().d, \s0\()z\().d, \d\()z\().d[0]
sri \d\().2d, \s0\().2d, #(\imm)
.elseif \imm == 3
eor \s0\().16b, \s0\().16b, \s1\().16b
ldr \d\()q, [x17, #80]
mul \d\()z\().d, \s0\()z\().d, \d\()z\().d[1]
sri \d\().2d, \s0\().2d, #(\imm)
.elseif \imm == 46
eor \s0\().16b, \s0\().16b, \s1\().16b
ldr \d\()q, [x17, #16]
mul \d\()z\().d, \s0\()z\().d, \d\()z\().d[1]
sri \d\().2d, \s0\().2d, #(\imm)
.elseif \imm == 50
eor \s0\().16b, \s0\().16b, \s1\().16b
ldr \d\()q, [x17, #16]
mul \d\()z\().d, \s0\()z\().d, \d\()z\().d[0]
sri \d\().2d, \s0\().2d, #(\imm)
.elseif \imm == 62
eor \s0\().16b, \s0\().16b, \s1\().16b
add \d\().2d, \s0\().2d, \s0\().2d
add \d\().2d, \d\().2d, \d\().2d
sri \d\().2d, \s0\().2d, #(62)
.else
eor \s0\().16b, \s0\().16b, \s1\().16b
shl \d\().2d, \s0\().2d, #(64-\imm)
sri \d\().2d, \s0\().2d, #(\imm)
.endif
.endm
.macro bcax_m1 d s0 s1 s2
bic tmp.16b, \s1\().16b, \s2\().16b
eor \d\().16b, tmp.16b, \s0\().16b
.endm
/* Keccak-f1600 round */
.macro keccak_f1600_round_pre
/* 10 EOR3, so 20 individual EOR */
eor3_m1_0 C1, Abe, Age, Ake
eor3_m1_0 C3, Abo, Ago, Ako
eor3_m1_0 C0, Aba, Aga, Aka
eor3_m1_0 C2, Abi, Agi, Aki
eor3_m1_0 C4, Abu, Agu, Aku
eor3_m1_1 C1, Abe, Age, Ake
eor3_m1_1 C3, Abo, Ago, Ako
eor3_m1_1 C0, Aba, Aga, Aka
eor3_m1_1 C2, Abi, Agi, Aki
eor3_m1_1 C4, Abu, Agu, Aku
eor3_m1_0 C1, C1, Ame, Ase
eor3_m1_0 C3, C3, Amo, Aso
eor3_m1_0 C0, C0, Ama, Asa
eor3_m1_0 C2, C2, Ami, Asi
eor3_m1_0 C4, C4, Amu, Asu
eor3_m1_1 C1, C1, Ame, Ase
eor3_m1_1 C3, C3, Amo, Aso
eor3_m1_1 C0, C0, Ama, Asa
eor3_m1_1 C2, C2, Ami, Asi
eor3_m1_1 C4, C4, Amu, Asu
.endm
.macro keccak_f1600_round
/* 10 EOR3, so 20 individual EOR */
eor3_m1_0 C0, Aba, Aga, Aka
eor3_m1_0 C1, Abe, Age, Ake
eor3_m1_0 C2, Abi, Agi, Aki
eor3_m1_0 C3, Abo, Ago, Ako
eor3_m1_0 C4, Abu, Agu, Aku
eor3_m1_1 C0, Aba, Aga, Aka
eor3_m1_1 C1, Abe, Age, Ake
eor3_m1_1 C2, Abi, Agi, Aki
eor3_m1_1 C3, Abo, Ago, Ako
eor3_m1_1 C4, Abu, Agu, Aku
eor3_m1_0 C0, C0, Ama, Asa
eor3_m1_0 C1, C1, Ame, Ase
eor3_m1_0 C2, C2, Ami, Asi
eor3_m1_0 C3, C3, Amo, Aso
eor3_m1_0 C4, C4, Amu, Asu
eor3_m1_1 C0, C0, Ama, Asa
eor3_m1_1 C1, C1, Ame, Ase
eor3_m1_1 C2, C2, Ami, Asi
eor3_m1_1 C3, C3, Amo, Aso
eor3_m1_1 C4, C4, Amu, Asu
/* 5x RAX1, 15 Neon Instructions total */
tmp .req vBba
rax1_m1 E2, C1, C3
rax1_m1 E4, C3, C0
rax1_m1 E1, C0, C2
rax1_m1 E3, C2, C4
rax1_m1 E0, C4, C1
.unreq tmp
/* 25x XAR, 75 in total */
tmp .req C1
tmpq .req C1q
eor vBba.16b, Aba.16b, E0.16b
xar_m1 vBsa, Abi, E2, 2
xar_m1 vBbi, Aki, E2, 21
xar_m1 vBki, Ako, E3, 39
xar_m1 vBko, Amu, E4, 56
xar_m1 vBmu, Aso, E3, 8
xar_m1 vBso, Ama, E0, 23
xar_m1 vBka, Abe, E1, 63
xar_m1 vBse, Ago, E3, 9
xar_m1 vBgo, Ame, E1, 19
xar_m1 vBke, Agi, E2, 58
xar_m1 vBgi, Aka, E0, 61
xar_m1 vBga, Abo, E3, 36
xar_m1 vBbo, Amo, E3, 43
xar_m1 vBmo, Ami, E2, 49
xar_m1 vBmi, Ake, E1, 54
xar_m1 vBge, Agu, E4, 44
xar_m1 vBgu, Asi, E2, 3
xar_m1 vBsi, Aku, E4, 25
xar_m1 vBku, Asa, E0, 46
xar_m1 vBma, Abu, E4, 37
xar_m1 vBbu, Asu, E4, 50
xar_m1 vBsu, Ase, E1, 62
xar_m1 vBme, Aga, E0, 28
xar_m1 vBbe, Age, E1, 20
/* 25x BCAX, 50 in total */
bcax_m1 Aga, vBga, vBgi, vBge
bcax_m1 Age, vBge, vBgo, vBgi
bcax_m1 Agi, vBgi, vBgu, vBgo
bcax_m1 Ago, vBgo, vBga, vBgu
bcax_m1 Agu, vBgu, vBge, vBga
bcax_m1 Aka, vBka, vBki, vBke
bcax_m1 Ake, vBke, vBko, vBki
bcax_m1 Aki, vBki, vBku, vBko
bcax_m1 Ako, vBko, vBka, vBku
bcax_m1 Aku, vBku, vBke, vBka
bcax_m1 Ama, vBma, vBmi, vBme
bcax_m1 Ame, vBme, vBmo, vBmi
bcax_m1 Ami, vBmi, vBmu, vBmo
bcax_m1 Amo, vBmo, vBma, vBmu
bcax_m1 Amu, vBmu, vBme, vBma
bcax_m1 Asa, vBsa, vBsi, vBse
bcax_m1 Ase, vBse, vBso, vBsi
bcax_m1 Asi, vBsi, vBsu, vBso
bcax_m1 Aso, vBso, vBsa, vBsu
bcax_m1 Asu, vBsu, vBse, vBsa
bcax_m1 Aba, vBba, vBbi, vBbe
bcax_m1 Abe, vBbe, vBbo, vBbi
bcax_m1 Abi, vBbi, vBbu, vBbo
bcax_m1 Abo, vBbo, vBba, vBbu
bcax_m1 Abu, vBbu, vBbe, vBba
// iota step
//ld1r {tmp.2d}, [const_addr], #8
ldr tmpq, [const_addr], #16
eor Aba.16b, Aba.16b, tmp.16b
.unreq tmp
.unreq tmpq
.endm
.macro keccak_f1600_round_core
/* 5x RAX1, 15 Neon Instructions total */
tmp .req vBba
rax1_m1 E2, C1, C3
rax1_m1 E4, C3, C0
rax1_m1 E1, C0, C2
rax1_m1 E3, C2, C4
rax1_m1 E0, C4, C1
/* 25x XAR, 75 in total */
.unreq tmp
tmp .req C1
tmpq .req C1q
eor vBba.16b, Aba.16b, E0.16b
xar_m1 vBsa, Abi, E2, 2
xar_m1 vBbi, Aki, E2, 21
xar_m1 vBki, Ako, E3, 39
xar_m1 vBko, Amu, E4, 56
xar_m1 vBmu, Aso, E3, 8
xar_m1 vBso, Ama, E0, 23
xar_m1 vBka, Abe, E1, 63
xar_m1 vBse, Ago, E3, 9
xar_m1 vBgo, Ame, E1, 19
xar_m1 vBke, Agi, E2, 58
xar_m1 vBgi, Aka, E0, 61
xar_m1 vBga, Abo, E3, 36
xar_m1 vBbo, Amo, E3, 43
xar_m1 vBmo, Ami, E2, 49
xar_m1 vBmi, Ake, E1, 54
xar_m1 vBge, Agu, E4, 44
mov E3.16b, Aga.16b
bcax_m1 Aga, vBga, vBgi, vBge
xar_m1 vBgu, Asi, E2, 3
xar_m1 vBsi, Aku, E4, 25
xar_m1 vBku, Asa, E0, 46
xar_m1 vBma, Abu, E4, 37
xar_m1 vBbu, Asu, E4, 50
xar_m1 vBsu, Ase, E1, 62
xar_m1 vBme, E3, E0, 28
xar_m1 vBbe, Age, E1, 20
/* 25x BCAX, 50 in total */
bcax_m1 Age, vBge, vBgo, vBgi
bcax_m1 Agi, vBgi, vBgu, vBgo
bcax_m1 Ago, vBgo, vBga, vBgu
bcax_m1 Agu, vBgu, vBge, vBga
bcax_m1 Aka, vBka, vBki, vBke
bcax_m1 Ake, vBke, vBko, vBki
.unreq tmp
.unreq tmpq
eor2 C0, Aka, Aga
save(Aga)
tmp .req Aga
tmpq .req Agaq
bcax_m1 Aki, vBki, vBku, vBko
bcax_m1 Ako, vBko, vBka, vBku
eor2 C1, Ake, Age
bcax_m1 Aku, vBku, vBke, vBka
eor2 C2, Aki, Agi
bcax_m1 Ama, vBma, vBmi, vBme
eor2 C3, Ako, Ago
bcax_m1 Ame, vBme, vBmo, vBmi
eor2 C4, Aku, Agu
bcax_m1 Ami, vBmi, vBmu, vBmo
eor2 C0, C0, Ama
bcax_m1 Amo, vBmo, vBma, vBmu
eor2 C1, C1, Ame
bcax_m1 Amu, vBmu, vBme, vBma
eor2 C2, C2, Ami
bcax_m1 Asa, vBsa, vBsi, vBse
eor2 C3, C3, Amo
bcax_m1 Ase, vBse, vBso, vBsi
eor2 C4, C4, Amu
bcax_m1 Asi, vBsi, vBsu, vBso
eor2 C0, C0, Asa
bcax_m1 Aso, vBso, vBsa, vBsu
eor2 C1, C1, Ase
bcax_m1 Asu, vBsu, vBse, vBsa
eor2 C2, C2, Asi
eor2 C3, C3, Aso
bcax_m1 Aba, vBba, vBbi, vBbe
bcax_m1 Abe, vBbe, vBbo, vBbi
eor2 C1, C1, Abe
// iota step
//ld1r {tmp.2d}, [const_addr], #8
ldr tmpq, [const_addr], #16
eor Aba.16b, Aba.16b, tmp.16b
eor2 C4, C4, Asu
bcax_m1 Abi, vBbi, vBbu, vBbo
bcax_m1 Abo, vBbo, vBba, vBbu
eor2 C3, C3, Abo
eor2 C2, C2, Abi
eor2 C0, C0, Aba
bcax_m1 Abu, vBbu, vBbe, vBba
eor2 C4, C4, Abu
restore(Aga)
.unreq tmp
.unreq tmpq
.endm
.macro keccak_f1600_round_post
/* 5x RAX1, 15 Neon Instructions total */
tmp .req vBba
rax1_m1 E2, C1, C3
rax1_m1 E4, C3, C0
rax1_m1 E1, C0, C2
rax1_m1 E3, C2, C4
rax1_m1 E0, C4, C1
/* 25x XAR, 75 in total */
.unreq tmp
tmp .req C1
tmpq .req C1q
eor vBba.16b, Aba.16b, E0.16b
xar_m1 vBsa, Abi, E2, 2
xar_m1 vBbi, Aki, E2, 21
xar_m1 vBki, Ako, E3, 39
xar_m1 vBko, Amu, E4, 56
xar_m1 vBmu, Aso, E3, 8
xar_m1 vBso, Ama, E0, 23
xar_m1 vBka, Abe, E1, 63
xar_m1 vBse, Ago, E3, 9
xar_m1 vBgo, Ame, E1, 19
xar_m1 vBke, Agi, E2, 58
xar_m1 vBgi, Aka, E0, 61
xar_m1 vBga, Abo, E3, 36
xar_m1 vBbo, Amo, E3, 43
xar_m1 vBmo, Ami, E2, 49
xar_m1 vBmi, Ake, E1, 54
xar_m1 vBge, Agu, E4, 44
mov E3.16b, Aga.16b
bcax_m1 Aga, vBga, vBgi, vBge
xar_m1 vBgu, Asi, E2, 3
xar_m1 vBsi, Aku, E4, 25
xar_m1 vBku, Asa, E0, 46
xar_m1 vBma, Abu, E4, 37
xar_m1 vBbu, Asu, E4, 50
xar_m1 vBsu, Ase, E1, 62
xar_m1 vBme, E3, E0, 28
xar_m1 vBbe, Age, E1, 20
/* 25x BCAX, 50 in total */
bcax_m1 Age, vBge, vBgo, vBgi
bcax_m1 Agi, vBgi, vBgu, vBgo
bcax_m1 Ago, vBgo, vBga, vBgu
bcax_m1 Agu, vBgu, vBge, vBga
bcax_m1 Aka, vBka, vBki, vBke
bcax_m1 Ake, vBke, vBko, vBki
bcax_m1 Aki, vBki, vBku, vBko
bcax_m1 Ako, vBko, vBka, vBku
bcax_m1 Aku, vBku, vBke, vBka
bcax_m1 Ama, vBma, vBmi, vBme
bcax_m1 Ame, vBme, vBmo, vBmi
bcax_m1 Ami, vBmi, vBmu, vBmo
bcax_m1 Amo, vBmo, vBma, vBmu
bcax_m1 Amu, vBmu, vBme, vBma
bcax_m1 Asa, vBsa, vBsi, vBse
bcax_m1 Ase, vBse, vBso, vBsi
bcax_m1 Asi, vBsi, vBsu, vBso
bcax_m1 Aso, vBso, vBsa, vBsu
bcax_m1 Asu, vBsu, vBse, vBsa
bcax_m1 Aba, vBba, vBbi, vBbe
bcax_m1 Abe, vBbe, vBbo, vBbi
bcax_m1 Abi, vBbi, vBbu, vBbo
bcax_m1 Abo, vBbo, vBba, vBbu
bcax_m1 Abu, vBbu, vBbe, vBba
// iota step
//ld1r {tmp.2d}, [const_addr], #8
ldr tmpq, [const_addr], #16
eor Aba.16b, Aba.16b, tmp.16b
.unreq tmp
.unreq tmpq
.endm
.text
.align 4
.global keccak_f1600_x2_v84a_asm_v2pp7
.global _keccak_f1600_x2_v84a_asm_v2pp7
#define KECCAK_F1600_ROUNDS 24
keccak_f1600_x2_v84a_asm_v2pp7:
_keccak_f1600_x2_v84a_asm_v2pp7:
alloc_stack
save_vregs
load_constant_ptr
load_input
ldr x17, xar_m1_const_addr
//mov count, #(KECCAK_F1600_ROUNDS-2)
mov count, #11
keccak_f1600_round_pre
loop:
keccak_f1600_round_core
keccak_f1600_round_core
sub count, count, #1
cbnz count, loop
keccak_f1600_round_core
keccak_f1600_round_post
store_input
restore_vregs
free_stack
ret
#endif