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intt_opt.S
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/// Copyright (c) 2024-2025 The mlkem-native project authors
/// Copyright (c) 2022 Arm Limited
/// Copyright (c) 2022 Hanno Becker
/// Copyright (c) 2023 Amin Abdulrahman, 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.
///
#include "../../../common.h"
#if defined(MLK_ARITH_BACKEND_AARCH64_OPT) && \
!defined(MLK_MULTILEVEL_BUILD_NO_SHARED)
/*
* WARNING: This file is auto-derived from the mlkem-native source file
* dev/aarch64_opt/src/intt_opt.S using scripts/simpasm. Do not modify it directly.
*/
.text
.balign 4
.global MLK_ASM_NAMESPACE(intt_asm_opt)
MLK_ASM_FN_SYMBOL(intt_asm_opt)
sub sp, sp, #0x40
stp d8, d9, [sp]
stp d10, d11, [sp, #0x10]
stp d12, d13, [sp, #0x20]
stp d14, d15, [sp, #0x30]
mov w5, #0xd01 // =3329
mov v7.h[0], w5
mov w5, #0x4ebf // =20159
mov v7.h[1], w5
mov w5, #0x200 // =512
dup v29.8h, w5
mov w5, #0x13b0 // =5040
dup v30.8h, w5
mov x3, x0
mov x4, #0x8 // =8
scale_start:
ldr q8, [x3]
ldr q9, [x3, #0x10]
ldr q10, [x3, #0x20]
ldr q11, [x3, #0x30]
sqrdmulh v27.8h, v8.8h, v30.8h
mul v8.8h, v8.8h, v29.8h
mls v8.8h, v27.8h, v7.h[0]
sqrdmulh v27.8h, v9.8h, v30.8h
mul v9.8h, v9.8h, v29.8h
mls v9.8h, v27.8h, v7.h[0]
sqrdmulh v27.8h, v10.8h, v30.8h
mul v10.8h, v10.8h, v29.8h
mls v10.8h, v27.8h, v7.h[0]
sqrdmulh v27.8h, v11.8h, v30.8h
mul v11.8h, v11.8h, v29.8h
mls v11.8h, v27.8h, v7.h[0]
str q8, [x3], #0x40
stur q9, [x3, #-0x30]
stur q10, [x3, #-0x20]
stur q11, [x3, #-0x10]
subs x4, x4, #0x1
cbnz x4, scale_start
mov x3, x0
mov x4, #0x8 // =8
ldr q26, [x3]
ldr q8, [x3, #0x10]
ldr q24, [x3, #0x20]
ldr q16, [x3, #0x30]
ldr q9, [x2], #0x60
trn1 v0.4s, v24.4s, v16.4s
ldur q6, [x2, #-0x50]
ldur q3, [x2, #-0x40]
ldur q15, [x2, #-0x30]
ldur q4, [x2, #-0x20]
ldur q28, [x2, #-0x10]
sub x4, x4, #0x1
layer3456_start:
trn1 v12.4s, v26.4s, v8.4s
trn2 v26.4s, v26.4s, v8.4s
trn2 v8.4s, v24.4s, v16.4s
trn2 v11.2d, v12.2d, v0.2d
trn1 v12.2d, v12.2d, v0.2d
trn2 v16.2d, v26.2d, v8.2d
trn1 v26.2d, v26.2d, v8.2d
sub v8.8h, v11.8h, v16.8h
add v11.8h, v11.8h, v16.8h
sub v16.8h, v12.8h, v26.8h
add v12.8h, v12.8h, v26.8h
sqrdmulh v26.8h, v8.8h, v28.8h
sqrdmulh v15.8h, v16.8h, v15.8h
mul v16.8h, v16.8h, v3.8h
mul v8.8h, v8.8h, v4.8h
sub v0.8h, v12.8h, v11.8h
add v12.8h, v12.8h, v11.8h
mls v16.8h, v15.8h, v7.h[0]
mls v8.8h, v26.8h, v7.h[0]
sqrdmulh v26.8h, v0.8h, v6.8h
mul v11.8h, v0.8h, v9.8h
ldr q15, [x1], #0x10
sub v0.8h, v16.8h, v8.8h
mls v11.8h, v26.8h, v7.h[0]
add v26.8h, v16.8h, v8.8h
sqrdmulh v8.8h, v0.8h, v6.8h
mul v16.8h, v0.8h, v9.8h
trn1 v0.4s, v12.4s, v26.4s
trn2 v12.4s, v12.4s, v26.4s
ldr q26, [x3, #0x40]
mls v16.8h, v8.8h, v7.h[0]
ldr q8, [x3, #0x50]
ldr q24, [x3, #0x60]
trn1 v9.4s, v11.4s, v16.4s
trn2 v11.4s, v11.4s, v16.4s
ldr q16, [x3, #0x70]
trn2 v6.2d, v0.2d, v9.2d
trn2 v3.2d, v12.2d, v11.2d
trn1 v0.2d, v0.2d, v9.2d
trn1 v12.2d, v12.2d, v11.2d
sub v11.8h, v6.8h, v3.8h
sub v9.8h, v0.8h, v12.8h
add v12.8h, v0.8h, v12.8h
sqrdmulh v0.8h, v11.8h, v15.h[5]
sqrdmulh v4.8h, v9.8h, v15.h[3]
mul v9.8h, v9.8h, v15.h[2]
mul v11.8h, v11.8h, v15.h[4]
add v6.8h, v6.8h, v3.8h
sqdmulh v3.8h, v12.8h, v7.h[1]
mls v9.8h, v4.8h, v7.h[0]
mls v11.8h, v0.8h, v7.h[0]
sqdmulh v0.8h, v6.8h, v7.h[1]
srshr v3.8h, v3.8h, #0xb
sqdmulh v4.8h, v9.8h, v7.h[1]
sqdmulh v28.8h, v11.8h, v7.h[1]
mls v12.8h, v3.8h, v7.h[0]
srshr v0.8h, v0.8h, #0xb
srshr v3.8h, v4.8h, #0xb
srshr v4.8h, v28.8h, #0xb
mls v6.8h, v0.8h, v7.h[0]
mls v9.8h, v3.8h, v7.h[0]
mls v11.8h, v4.8h, v7.h[0]
trn1 v0.4s, v24.4s, v16.4s
sub v3.8h, v12.8h, v6.8h
add v12.8h, v12.8h, v6.8h
sub v6.8h, v9.8h, v11.8h
sqrdmulh v4.8h, v3.8h, v15.h[1]
mul v3.8h, v3.8h, v15.h[0]
sqrdmulh v28.8h, v6.8h, v15.h[1]
mul v15.8h, v6.8h, v15.h[0]
add v11.8h, v9.8h, v11.8h
mls v3.8h, v4.8h, v7.h[0]
str q12, [x3], #0x40
mls v15.8h, v28.8h, v7.h[0]
stur q11, [x3, #-0x30]
ldr q9, [x2], #0x60
stur q3, [x3, #-0x20]
ldur q6, [x2, #-0x50]
stur q15, [x3, #-0x10]
ldur q3, [x2, #-0x40]
ldur q15, [x2, #-0x30]
ldur q4, [x2, #-0x20]
ldur q28, [x2, #-0x10]
sub x4, x4, #0x1
cbnz x4, layer3456_start
trn1 v11.4s, v26.4s, v8.4s
trn2 v24.4s, v24.4s, v16.4s
trn2 v26.4s, v26.4s, v8.4s
trn1 v18.2d, v11.2d, v0.2d
trn2 v11.2d, v11.2d, v0.2d
trn2 v12.2d, v26.2d, v24.2d
trn1 v8.2d, v26.2d, v24.2d
sub v26.8h, v11.8h, v12.8h
sub v13.8h, v18.8h, v8.8h
add v24.8h, v18.8h, v8.8h
mul v16.8h, v26.8h, v4.8h
sqrdmulh v17.8h, v13.8h, v15.8h
mul v3.8h, v13.8h, v3.8h
sqrdmulh v26.8h, v26.8h, v28.8h
add v10.8h, v11.8h, v12.8h
mls v3.8h, v17.8h, v7.h[0]
mls v16.8h, v26.8h, v7.h[0]
sub v26.8h, v24.8h, v10.8h
ldr q4, [x1], #0x10
sub v12.8h, v3.8h, v16.8h
sqrdmulh v15.8h, v26.8h, v6.8h
mul v11.8h, v26.8h, v9.8h
mul v8.8h, v12.8h, v9.8h
sqrdmulh v12.8h, v12.8h, v6.8h
add v0.8h, v24.8h, v10.8h
mls v11.8h, v15.8h, v7.h[0]
add v6.8h, v3.8h, v16.8h
mls v8.8h, v12.8h, v7.h[0]
trn2 v26.4s, v0.4s, v6.4s
trn2 v12.4s, v11.4s, v8.4s
trn1 v3.4s, v11.4s, v8.4s
trn1 v17.4s, v0.4s, v6.4s
trn1 v8.2d, v26.2d, v12.2d
trn2 v13.2d, v26.2d, v12.2d
trn1 v11.2d, v17.2d, v3.2d
trn2 v15.2d, v17.2d, v3.2d
sub v12.8h, v11.8h, v8.8h
add v16.8h, v15.8h, v13.8h
sub v26.8h, v15.8h, v13.8h
mul v0.8h, v12.8h, v4.h[2]
sqrdmulh v9.8h, v12.8h, v4.h[3]
mul v13.8h, v26.8h, v4.h[4]
sqrdmulh v26.8h, v26.8h, v4.h[5]
add v24.8h, v11.8h, v8.8h
mls v0.8h, v9.8h, v7.h[0]
sqdmulh v12.8h, v16.8h, v7.h[1]
mls v13.8h, v26.8h, v7.h[0]
sqdmulh v11.8h, v24.8h, v7.h[1]
sqdmulh v8.8h, v0.8h, v7.h[1]
srshr v12.8h, v12.8h, #0xb
sqdmulh v26.8h, v13.8h, v7.h[1]
srshr v11.8h, v11.8h, #0xb
mls v16.8h, v12.8h, v7.h[0]
srshr v8.8h, v8.8h, #0xb
srshr v26.8h, v26.8h, #0xb
mls v24.8h, v11.8h, v7.h[0]
mls v0.8h, v8.8h, v7.h[0]
mls v13.8h, v26.8h, v7.h[0]
sub v26.8h, v24.8h, v16.8h
add v15.8h, v24.8h, v16.8h
sub v12.8h, v0.8h, v13.8h
mul v11.8h, v26.8h, v4.h[0]
sqrdmulh v16.8h, v26.8h, v4.h[1]
mul v26.8h, v12.8h, v4.h[0]
sqrdmulh v8.8h, v12.8h, v4.h[1]
add v12.8h, v0.8h, v13.8h
mls v11.8h, v16.8h, v7.h[0]
str q15, [x3], #0x40
mls v26.8h, v8.8h, v7.h[0]
stur q12, [x3, #-0x30]
stur q11, [x3, #-0x20]
stur q26, [x3, #-0x10]
mov x4, #0x4 // =4
ldr q0, [x1], #0x20
ldur q1, [x1, #-0x10]
ldr q24, [x0, #0x80]
ldr q16, [x0, #0xc0]
ldr q9, [x0, #0x100]
ldr q6, [x0, #0x140]
ldr q3, [x0, #0x180]
ldr q4, [x0, #0x1c0]
add v28.8h, v9.8h, v6.8h
add v19.8h, v24.8h, v16.8h
add v13.8h, v3.8h, v4.8h
ldr q11, [x0]
add v23.8h, v28.8h, v13.8h
ldr q15, [x0, #0x40]
sub x4, x4, #0x1
layer012_start:
sub v12.8h, v11.8h, v15.8h
add v26.8h, v11.8h, v15.8h
sub v8.8h, v24.8h, v16.8h
sqrdmulh v11.8h, v12.8h, v0.h[7]
mul v12.8h, v12.8h, v0.h[6]
sub v16.8h, v26.8h, v19.8h
add v26.8h, v26.8h, v19.8h
sqrdmulh v15.8h, v8.8h, v1.h[1]
mul v8.8h, v8.8h, v1.h[0]
mls v12.8h, v11.8h, v7.h[0]
sub v11.8h, v9.8h, v6.8h
sqrdmulh v24.8h, v16.8h, v0.h[3]
mul v16.8h, v16.8h, v0.h[2]
sub v9.8h, v26.8h, v23.8h
add v26.8h, v26.8h, v23.8h
mls v8.8h, v15.8h, v7.h[0]
sqrdmulh v15.8h, v11.8h, v1.h[3]
mul v11.8h, v11.8h, v1.h[2]
sub v6.8h, v3.8h, v4.8h
sub v3.8h, v12.8h, v8.8h
add v12.8h, v12.8h, v8.8h
mls v11.8h, v15.8h, v7.h[0]
sqrdmulh v8.8h, v6.8h, v1.h[5]
mls v16.8h, v24.8h, v7.h[0]
mul v15.8h, v6.8h, v1.h[4]
sqrdmulh v24.8h, v3.8h, v0.h[3]
mul v6.8h, v3.8h, v0.h[2]
sqrdmulh v3.8h, v9.8h, v0.h[1]
mul v9.8h, v9.8h, v0.h[0]
str q26, [x0], #0x10
mls v15.8h, v8.8h, v7.h[0]
mls v6.8h, v24.8h, v7.h[0]
sub v26.8h, v28.8h, v13.8h
mls v9.8h, v3.8h, v7.h[0]
sub v8.8h, v11.8h, v15.8h
sqrdmulh v24.8h, v26.8h, v0.h[5]
mul v26.8h, v26.8h, v0.h[4]
add v11.8h, v11.8h, v15.8h
sqrdmulh v15.8h, v8.8h, v0.h[5]
mul v8.8h, v8.8h, v0.h[4]
mls v26.8h, v24.8h, v7.h[0]
sub v24.8h, v12.8h, v11.8h
add v12.8h, v12.8h, v11.8h
mls v8.8h, v15.8h, v7.h[0]
sqrdmulh v11.8h, v24.8h, v0.h[1]
mul v15.8h, v24.8h, v0.h[0]
sub v24.8h, v16.8h, v26.8h
add v26.8h, v16.8h, v26.8h
sub v16.8h, v6.8h, v8.8h
mls v15.8h, v11.8h, v7.h[0]
sqrdmulh v11.8h, v24.8h, v0.h[1]
mul v24.8h, v24.8h, v0.h[0]
add v8.8h, v6.8h, v8.8h
sqrdmulh v6.8h, v16.8h, v0.h[1]
mul v16.8h, v16.8h, v0.h[0]
mls v24.8h, v11.8h, v7.h[0]
str q9, [x0, #0xf0]
ldr q11, [x0]
mls v16.8h, v6.8h, v7.h[0]
str q15, [x0, #0x130]
ldr q15, [x0, #0x40]
str q24, [x0, #0x170]
ldr q24, [x0, #0x80]
str q16, [x0, #0x1b0]
ldr q16, [x0, #0xc0]
str q12, [x0, #0x30]
ldr q9, [x0, #0x100]
ldr q6, [x0, #0x140]
ldr q3, [x0, #0x180]
ldr q4, [x0, #0x1c0]
str q26, [x0, #0x70]
add v28.8h, v9.8h, v6.8h
add v13.8h, v3.8h, v4.8h
str q8, [x0, #0xb0]
add v19.8h, v24.8h, v16.8h
add v23.8h, v28.8h, v13.8h
sub x4, x4, #0x1
cbnz x4, layer012_start
add v10.8h, v11.8h, v15.8h
sub v12.8h, v28.8h, v13.8h
sub v11.8h, v11.8h, v15.8h
sub v22.8h, v10.8h, v19.8h
mul v18.8h, v12.8h, v0.h[4]
sqrdmulh v26.8h, v12.8h, v0.h[5]
sqrdmulh v12.8h, v22.8h, v0.h[3]
mul v13.8h, v22.8h, v0.h[2]
sub v31.8h, v24.8h, v16.8h
sqrdmulh v22.8h, v11.8h, v0.h[7]
mls v18.8h, v26.8h, v7.h[0]
mls v13.8h, v12.8h, v7.h[0]
sqrdmulh v2.8h, v31.8h, v1.h[1]
mul v5.8h, v31.8h, v1.h[0]
mul v15.8h, v11.8h, v0.h[6]
sub v12.8h, v13.8h, v18.8h
sub v4.8h, v3.8h, v4.8h
mls v5.8h, v2.8h, v7.h[0]
sqrdmulh v26.8h, v12.8h, v0.h[1]
mul v12.8h, v12.8h, v0.h[0]
mls v15.8h, v22.8h, v7.h[0]
sqrdmulh v8.8h, v4.8h, v1.h[5]
mul v4.8h, v4.8h, v1.h[4]
mls v12.8h, v26.8h, v7.h[0]
sub v21.8h, v15.8h, v5.8h
sub v28.8h, v9.8h, v6.8h
mls v4.8h, v8.8h, v7.h[0]
mul v24.8h, v21.8h, v0.h[2]
sqrdmulh v8.8h, v21.8h, v0.h[3]
sqrdmulh v6.8h, v28.8h, v1.h[3]
add v19.8h, v10.8h, v19.8h
mul v28.8h, v28.8h, v1.h[2]
mls v24.8h, v8.8h, v7.h[0]
sub v11.8h, v19.8h, v23.8h
str q12, [x0, #0x180]
mls v28.8h, v6.8h, v7.h[0]
sqrdmulh v16.8h, v11.8h, v0.h[1]
mul v9.8h, v11.8h, v0.h[0]
add v6.8h, v15.8h, v5.8h
add v26.8h, v28.8h, v4.8h
sub v15.8h, v28.8h, v4.8h
mls v9.8h, v16.8h, v7.h[0]
add v3.8h, v6.8h, v26.8h
mul v8.8h, v15.8h, v0.h[4]
sqrdmulh v15.8h, v15.8h, v0.h[5]
str q9, [x0, #0x100]
sub v2.8h, v6.8h, v26.8h
str q3, [x0, #0x40]
mls v8.8h, v15.8h, v7.h[0]
sqrdmulh v15.8h, v2.8h, v0.h[1]
mul v11.8h, v2.8h, v0.h[0]
add v16.8h, v13.8h, v18.8h
sub v12.8h, v24.8h, v8.8h
add v8.8h, v24.8h, v8.8h
mls v11.8h, v15.8h, v7.h[0]
sqrdmulh v26.8h, v12.8h, v0.h[1]
mul v12.8h, v12.8h, v0.h[0]
str q8, [x0, #0xc0]
add v15.8h, v19.8h, v23.8h
str q11, [x0, #0x140]
mls v12.8h, v26.8h, v7.h[0]
str q15, [x0], #0x10
str q16, [x0, #0x70]
str q12, [x0, #0x1b0]
ldp d8, d9, [sp]
ldp d10, d11, [sp, #0x10]
ldp d12, d13, [sp, #0x20]
ldp d14, d15, [sp, #0x30]
add sp, sp, #0x40
ret
#endif /* MLK_ARITH_BACKEND_AARCH64_OPT &&
!MLK_MULTILEVEL_BUILD_NO_SHARED */