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pqclean/crypto_kem/ml-kem-512/aarch64/__asm_NTT.S
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/*
* We offer
* CC0 1.0 Universal or the following MIT License for this file.
* You may freely choose one of them that applies.
*
* MIT License
*
* Copyright (c) 2023: Hanno Becker, Vincent Hwang, Matthias J. Kannwischer, Bo-Yin Yang, and Shang-Yi Yang
* Copyright (c) 2023: Vincent Hwang
*
* 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.
*/
#include "macros.inc"
.align 2
.global PQCLEAN_MLKEM512_AARCH64__asm_ntt_SIMD_top
.global _PQCLEAN_MLKEM512_AARCH64__asm_ntt_SIMD_top
PQCLEAN_MLKEM512_AARCH64__asm_ntt_SIMD_top:
_PQCLEAN_MLKEM512_AARCH64__asm_ntt_SIMD_top:
push_simd
Q .req w8
src .req x0
table .req x1
counter .req x11
ldrsh Q, [x2, #0]
ldr q0, [table, # 0*16]
ldr q1, [table, # 1*16]
ldr q2, [table, # 2*16]
ldr q3, [table, # 3*16]
mov v0.H[0], Q
ldr q13, [src, # 9*32]
ldr q15, [src, #11*32]
ldr q17, [src, #13*32]
ldr q19, [src, #15*32]
qo_butterfly_topl \
v13, v15, v17, v19, v28, v29, v30, v31, \
v0, \
v0, 2, 3, v0, 2, 3, v0, 2, 3, v0, 2, 3, \
src, \
q5, q7, q9, q11, \
#1*32, #3*32, #5*32, #7*32
qo_butterfly_mixll \
v5, v7, v9, v11, v13, v15, v17, v19, v28, v29, v30, v31, \
v12, v14, v16, v18, v20, v21, v22, v23, \
v0, \
v0, 2, 3, v0, 2, 3, v0, 2, 3, v0, 2, 3, \
src, \
q12, q14, q16, q18, \
#8*32, #10*32, #12*32, #14*32, \
src, \
q4, q6, q8, q10, \
#0*32, #2*32, #4*32, #6*32
qo_butterfly_mix \
v4, v6, v8, v10, v12, v14, v16, v18, v20, v21, v22, v23, \
v5, v7, v13, v15, v9, v11, v17, v19, v28, v29, v30, v31, \
v0, \
v0, 2, 3, v0, 2, 3, v0, 2, 3, v0, 2, 3, \
v0, 4, 5, v0, 4, 5, v0, 6, 7, v0, 6, 7
qo_butterfly_mix \
v5, v7, v13, v15, v9, v11, v17, v19, v28, v29, v30, v31, \
v4, v6, v12, v14, v8, v10, v16, v18, v20, v21, v22, v23, \
v0, \
v0, 4, 5, v0, 4, 5, v0, 6, 7, v0, 6, 7, \
v0, 4, 5, v0, 4, 5, v0, 6, 7, v0, 6, 7
qo_butterfly_mix \
v4, v6, v12, v14, v8, v10, v16, v18, v20, v21, v22, v23, \
v5, v9, v13, v17, v7, v11, v15, v19, v28, v29, v30, v31, \
v0, \
v0, 4, 5, v0, 4, 5, v0, 6, 7, v0, 6, 7, \
v1, 0, 1, v1, 2, 3, v1, 4, 5, v1, 6, 7
qo_butterfly_mix \
v5, v9, v13, v17, v7, v11, v15, v19, v28, v29, v30, v31, \
v4, v8, v12, v16, v6, v10, v14, v18, v20, v21, v22, v23, \
v0, \
v1, 0, 1, v1, 2, 3, v1, 4, 5, v1, 6, 7, \
v1, 0, 1, v1, 2, 3, v1, 4, 5, v1, 6, 7
qo_butterfly_mix \
v4, v8, v12, v16, v6, v10, v14, v18, v20, v21, v22, v23, \
v4, v6, v8, v10, v5, v7, v9, v11, v28, v29, v30, v31, \
v0, \
v1, 0, 1, v1, 2, 3, v1, 4, 5, v1, 6, 7, \
v2, 0, 1, v2, 2, 3, v2, 4, 5, v2, 6, 7
qo_butterfly_mixsls \
v4, v6, v8, v10, v5, v7, v9, v11, v28, v29, v30, v31, \
v13, v15, v17, v19, v20, v21, v22, v23, \
v0, \
v3, 0, 1, v3, 2, 3, v3, 4, 5, v3, 6, 7, \
src, \
q5, q7, q9, q11, \
#1*32, #3*32, #5*32, #7*32, \
src, \
q5, q7, q9, q11, \
#(16+1*32), #(16+3*32), #(16+5*32), #(16+7*32), \
src, \
q4, q6, q8, q10, \
#0*32, #2*32, #4*32, #6*32
qo_butterfly_botsls \
v12, v14, v16, v18, v13, v15, v17, v19, v20, v21, v22, v23, \
src, \
q13, q15, q17, q19, \
#9*32, #11*32, #13*32, #15*32, \
src, \
q13, q15, q17, q19, \
#(16+9*32), #(16+11*32), #(16+13*32), #(16+15*32), \
src, \
q12, q14, q16, q18, \
#8*32, #10*32, #12*32, #14*32
qo_butterfly_topl \
v13, v15, v17, v19, v28, v29, v30, v31, \
v0, \
v0, 2, 3, v0, 2, 3, v0, 2, 3, v0, 2, 3, \
src, \
q12, q14, q16, q18, \
#(16+8*32), #(16+10*32), #(16+12*32), #(16+14*32)
qo_butterfly_mixl \
v5, v7, v9, v11, v13, v15, v17, v19, v28, v29, v30, v31, \
v12, v14, v16, v18, v20, v21, v22, v23, \
v0, \
v0, 2, 3, v0, 2, 3, v0, 2, 3, v0, 2, 3, \
src, \
q4, q6, q8, q10, \
#(16+0*32), #(16+2*32), #(16+4*32), #(16+6*32)
qo_butterfly_mix \
v4, v6, v8, v10, v12, v14, v16, v18, v20, v21, v22, v23, \
v5, v7, v13, v15, v9, v11, v17, v19, v28, v29, v30, v31, \
v0, \
v0, 2, 3, v0, 2, 3, v0, 2, 3, v0, 2, 3, \
v0, 4, 5, v0, 4, 5, v0, 6, 7, v0, 6, 7
qo_butterfly_mix \
v5, v7, v13, v15, v9, v11, v17, v19, v28, v29, v30, v31, \
v4, v6, v12, v14, v8, v10, v16, v18, v20, v21, v22, v23, \
v0, \
v0, 4, 5, v0, 4, 5, v0, 6, 7, v0, 6, 7, \
v0, 4, 5, v0, 4, 5, v0, 6, 7, v0, 6, 7
qo_butterfly_mix \
v4, v6, v12, v14, v8, v10, v16, v18, v20, v21, v22, v23, \
v5, v9, v13, v17, v7, v11, v15, v19, v28, v29, v30, v31, \
v0, \
v0, 4, 5, v0, 4, 5, v0, 6, 7, v0, 6, 7, \
v1, 0, 1, v1, 2, 3, v1, 4, 5, v1, 6, 7
qo_butterfly_mix \
v5, v9, v13, v17, v7, v11, v15, v19, v28, v29, v30, v31, \
v4, v8, v12, v16, v6, v10, v14, v18, v20, v21, v22, v23, \
v0, \
v1, 0, 1, v1, 2, 3, v1, 4, 5, v1, 6, 7, \
v1, 0, 1, v1, 2, 3, v1, 4, 5, v1, 6, 7
qo_butterfly_mix \
v4, v8, v12, v16, v6, v10, v14, v18, v20, v21, v22, v23, \
v4, v6, v8, v10, v5, v7, v9, v11, v28, v29, v30, v31, \
v0, \
v1, 0, 1, v1, 2, 3, v1, 4, 5, v1, 6, 7, \
v2, 0, 1, v2, 2, 3, v2, 4, 5, v2, 6, 7
qo_butterfly_mixss \
v4, v6, v8, v10, v5, v7, v9, v11, v28, v29, v30, v31, \
v13, v15, v17, v19, v20, v21, v22, v23, \
v0, \
v3, 0, 1, v3, 2, 3, v3, 4, 5, v3, 6, 7, \
src, \
q5, q7, q9, q11, \
#(16+1*32), #(16+3*32), #(16+5*32), #(16+7*32), \
src, \
q4, q6, q8, q10, \
#(16+0*32), #(16+2*32), #(16+4*32), #(16+6*32)
qo_butterfly_botss \
v12, v14, v16, v18, v13, v15, v17, v19, v20, v21, v22, v23, \
src, \
q13, q15, q17, q19, \
#(16+9*32), #(16+11*32), #(16+13*32), #(16+15*32), \
src, \
q12, q14, q16, q18, \
#(16+8*32), #(16+10*32), #(16+12*32), #(16+14*32)
.unreq Q
.unreq src
.unreq table
.unreq counter
pop_simd
ret
.align 2
.global PQCLEAN_MLKEM512_AARCH64__asm_ntt_SIMD_bot
.global _PQCLEAN_MLKEM512_AARCH64__asm_ntt_SIMD_bot
PQCLEAN_MLKEM512_AARCH64__asm_ntt_SIMD_bot:
_PQCLEAN_MLKEM512_AARCH64__asm_ntt_SIMD_bot:
push_simd
Q .req w8
BarrettM .req w9
src0 .req x0
src1 .req x1
table .req x10
counter .req x11
ldrsh Q, [x2, #0]
ldrsh BarrettM, [x2, #8]
add table, x1, #64
add src0, x0, #256*0
add src1, x0, #256*1
mov v0.H[0], Q
mov v0.H[1], BarrettM
ldr q28, [src0, # 1*16]
ldr q29, [src1, # 1*16]
ldr q30, [src0, # 3*16]
ldr q31, [src1, # 3*16]
trn_4x4_l3 v28, v29, v30, v31, v20, v21, v22, v23, table, q1, q2, q3, #1*16, #2*16, #3*16
do_butterfly_vec_top_2ltrn_4x4 \
v29, v31, v18, v19, v0, v2, v3, v2, v3, \
src0, src1, \
q24, q25, q26, q27, #0*16, #0*16, #2*16, #2*16, \
v24, v25, v26, v27, v20, v21, v22, v23
do_butterfly_vec_mixl \
v25, v27, v29, v31, v18, v19, \
v28, v30, v16, v17, \
v0, \
v2, v3, v2, v3, \
table, \
q4, q5, q6, q7, #4*16, #5*16, #6*16, #7*16
do_butterfly_vec_mixl \
v24, v26, v28, v30, v16, v17, \
v27, v31, v18, v19, \
v0, \
v4, v5, v6, v7, \
table, \
q8, q9, q10, q11, #8*16, #9*16, #10*16, #11*16
do_butterfly_vec_mixl \
v25, v29, v27, v31, v18, v19, \
v26, v30, v16, v17, \
v0, \
v4, v5, v6, v7, \
table, \
q12, q13, q14, q15, #12*16, #13*16, #14*16, #15*16
add table, table, #256
do_butterfly_vec_mix v24, v28, v26, v30, v16, v17, v24, v26, v25, v27, v18, v19, v0, v4, v5, v6, v7, v8, v9, v10, v11
do_butterfly_vec_mix v24, v26, v25, v27, v18, v19, v28, v30, v29, v31, v16, v17, v0, v8, v9, v10, v11, v12, v13, v14, v15
do_butterfly_vec_bot_oo_barrett_trn_4x4 \
v28, v30, v29, v31, v16, v17, \
v24, v25, v26, v27, v20, v21, v22, v23, v28, v29, v30, v31, v16, v17, v18, v19, v0, #11, v0
trn_4x4_2s4 v28, v29, v30, v31, v16, v17, v18, v19, src0, src1, q24, q25, q26, q27, #0*16, #0*16, #2*16, #2*16
mov counter, #3
_ntt_bot_loop:
str q28, [src0, # 1*16]
ldr q28, [src0, #(64+1*16)]
str q29, [src1, # 1*16]
ldr q29, [src1, #(64+1*16)]
str q30, [src0, # 3*16]
ldr q30, [src0, #(64+3*16)]
str q31, [src1, # 3*16]
ldr q31, [src1, #(64+3*16)]
add src0, src0, #64
add src1, src1, #64
trn_4x4_l3 v28, v29, v30, v31, v20, v21, v22, v23, table, q1, q2, q3, #1*16, #2*16, #3*16
do_butterfly_vec_top_2ltrn_4x4 \
v29, v31, v18, v19, v0, v2, v3, v2, v3, \
src0, src1, \
q24, q25, q26, q27, #0*16, #0*16, #2*16, #2*16, \
v24, v25, v26, v27, v20, v21, v22, v23
do_butterfly_vec_mixl \
v25, v27, v29, v31, v18, v19, \
v28, v30, v16, v17, \
v0, \
v2, v3, v2, v3, \
table, \
q4, q5, q6, q7, #4*16, #5*16, #6*16, #7*16
do_butterfly_vec_mixl \
v24, v26, v28, v30, v16, v17, \
v27, v31, v18, v19, \
v0, \
v4, v5, v6, v7, \
table, \
q8, q9, q10, q11, #8*16, #9*16, #10*16, #11*16
do_butterfly_vec_mixl \
v25, v29, v27, v31, v18, v19, \
v26, v30, v16, v17, \
v0, \
v4, v5, v6, v7, \
table, \
q12, q13, q14, q15, #12*16, #13*16, #14*16, #15*16
add table, table, #256
do_butterfly_vec_mix v24, v28, v26, v30, v16, v17, v24, v26, v25, v27, v18, v19, v0, v4, v5, v6, v7, v8, v9, v10, v11
do_butterfly_vec_mix v24, v26, v25, v27, v18, v19, v28, v30, v29, v31, v16, v17, v0, v8, v9, v10, v11, v12, v13, v14, v15
do_butterfly_vec_bot_oo_barrett_trn_4x4 \
v28, v30, v29, v31, v16, v17, \
v24, v25, v26, v27, v20, v21, v22, v23, v28, v29, v30, v31, v16, v17, v18, v19, v0, #11, v0
trn_4x4_2s4 v28, v29, v30, v31, v16, v17, v18, v19, src0, src1, q24, q25, q26, q27, #0*16, #0*16, #2*16, #2*16
sub counter, counter, #1
cbnz counter, _ntt_bot_loop
str q28, [src0, # 1*16]
str q29, [src1, # 1*16]
str q30, [src0, # 3*16]
str q31, [src1, # 3*16]
add src0, src0, #64
add src1, src1, #64
.unreq Q
.unreq BarrettM
.unreq src0
.unreq src1
.unreq table
.unreq counter
pop_simd
ret
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