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https://github.com/henrydcase/pqc.git
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180 lines
3.8 KiB
ArmAsm
180 lines
3.8 KiB
ArmAsm
.include "shuffle.inc"
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#include "cdecl.inc"
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.macro butterfly rl0,rl1,rl2,rl3,rh0,rh1,rh2,rh3,z0=3,z1=3,z2=3,z3=3
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#mul
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vpmuludq %ymm\z0,%ymm\rh0,%ymm\rh0
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vpmuludq %ymm\z1,%ymm\rh1,%ymm\rh1
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vpmuludq %ymm\z2,%ymm\rh2,%ymm\rh2
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vpmuludq %ymm\z3,%ymm\rh3,%ymm\rh3
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#reduce
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vpmuludq %ymm0,%ymm\rh0,%ymm12
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vpmuludq %ymm0,%ymm\rh1,%ymm13
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vpmuludq %ymm0,%ymm\rh2,%ymm14
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vpmuludq %ymm0,%ymm\rh3,%ymm15
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vpmuludq %ymm1,%ymm12,%ymm12
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vpmuludq %ymm1,%ymm13,%ymm13
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vpmuludq %ymm1,%ymm14,%ymm14
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vpmuludq %ymm1,%ymm15,%ymm15
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vpaddq %ymm\rh0,%ymm12,%ymm12
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vpaddq %ymm\rh1,%ymm13,%ymm13
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vpaddq %ymm\rh2,%ymm14,%ymm14
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vpaddq %ymm\rh3,%ymm15,%ymm15
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vpsrlq $32,%ymm12,%ymm12
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vpsrlq $32,%ymm13,%ymm13
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vpsrlq $32,%ymm14,%ymm14
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vpsrlq $32,%ymm15,%ymm15
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#update
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vpaddd %ymm2,%ymm\rl0,%ymm\rh0
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vpaddd %ymm2,%ymm\rl1,%ymm\rh1
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vpaddd %ymm2,%ymm\rl2,%ymm\rh2
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vpaddd %ymm2,%ymm\rl3,%ymm\rh3
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vpaddd %ymm12,%ymm\rl0,%ymm\rl0
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vpaddd %ymm13,%ymm\rl1,%ymm\rl1
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vpaddd %ymm14,%ymm\rl2,%ymm\rl2
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vpaddd %ymm15,%ymm\rl3,%ymm\rl3
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vpsubd %ymm12,%ymm\rh0,%ymm\rh0
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vpsubd %ymm13,%ymm\rh1,%ymm\rh1
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vpsubd %ymm14,%ymm\rh2,%ymm\rh2
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vpsubd %ymm15,%ymm\rh3,%ymm\rh3
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.endm
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.global cdecl(PQCLEAN_DILITHIUM2_AVX2_ntt_levels0t2_avx)
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cdecl(PQCLEAN_DILITHIUM2_AVX2_ntt_levels0t2_avx):
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#consts
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vmovdqa cdecl(_PQCLEAN_DILITHIUM2_AVX2_8xqinv)(%rip),%ymm0
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vmovdqa cdecl(_PQCLEAN_DILITHIUM2_AVX2_8xq)(%rip),%ymm1
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vmovdqa cdecl(_PQCLEAN_DILITHIUM2_AVX2_8x2q)(%rip),%ymm2
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level0:
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#zetas
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vpbroadcastd (%rdx),%ymm3
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#load
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vpmovzxdq (%rsi),%ymm4
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vpmovzxdq 128(%rsi),%ymm5
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vpmovzxdq 256(%rsi),%ymm6
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vpmovzxdq 384(%rsi),%ymm7
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vpmovzxdq 512(%rsi),%ymm8
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vpmovzxdq 640(%rsi),%ymm9
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vpmovzxdq 768(%rsi),%ymm10
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vpmovzxdq 896(%rsi),%ymm11
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butterfly 4,5,6,7,8,9,10,11
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level1:
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#PQCLEAN_DILITHIUM2_AVX2_zetas
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vpbroadcastd 4(%rdx),%ymm12
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vpbroadcastd 8(%rdx),%ymm13
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butterfly 4,5,8,9,6,7,10,11,12,12,13,13
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level2:
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#PQCLEAN_DILITHIUM2_AVX2_zetas
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vpbroadcastd 12(%rdx),%ymm12
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vpbroadcastd 16(%rdx),%ymm13
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vpbroadcastd 20(%rdx),%ymm14
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vpbroadcastd 24(%rdx),%ymm15
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butterfly 4,6,8,10,5,7,9,11,12,13,14,15
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#store
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vmovdqa %ymm4,(%rdi)
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vmovdqa %ymm5,256(%rdi)
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vmovdqa %ymm6,512(%rdi)
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vmovdqa %ymm7,768(%rdi)
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vmovdqa %ymm8,1024(%rdi)
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vmovdqa %ymm9,1280(%rdi)
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vmovdqa %ymm10,1536(%rdi)
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vmovdqa %ymm11,1792(%rdi)
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ret
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.global cdecl(PQCLEAN_DILITHIUM2_AVX2_ntt_levels3t8_avx)
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cdecl(PQCLEAN_DILITHIUM2_AVX2_ntt_levels3t8_avx):
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#consts
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vmovdqa cdecl(_PQCLEAN_DILITHIUM2_AVX2_8xqinv)(%rip),%ymm0
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vmovdqa cdecl(_PQCLEAN_DILITHIUM2_AVX2_8xq)(%rip),%ymm1
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vmovdqa cdecl(_PQCLEAN_DILITHIUM2_AVX2_8x2q)(%rip),%ymm2
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#load
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vmovdqa (%rsi),%ymm4
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vmovdqa 32(%rsi),%ymm5
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vmovdqa 64(%rsi),%ymm6
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vmovdqa 96(%rsi),%ymm7
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vmovdqa 128(%rsi),%ymm8
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vmovdqa 160(%rsi),%ymm9
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vmovdqa 192(%rsi),%ymm10
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vmovdqa 224(%rsi),%ymm11
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level3:
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#zetas
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vpbroadcastd (%rdx),%ymm3
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butterfly 4,5,6,7,8,9,10,11
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level4:
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#PQCLEAN_DILITHIUM2_AVX2_zetas
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vpbroadcastd 4(%rdx),%ymm12
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vpbroadcastd 8(%rdx),%ymm13
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vpblendd $0xF0,%ymm13,%ymm12,%ymm12
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shuffle8 4,8,3,8
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shuffle8 5,9,4,9
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shuffle8 6,10,5,10
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shuffle8 7,11,6,11
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butterfly 3,8,4,9,5,10,6,11,12,12,12,12
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level5:
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#zetas
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vpmovzxdq 12(%rdx),%ymm12
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shuffle4 3,5,7,5
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shuffle4 8,10,3,10
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shuffle4 4,6,8,6
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shuffle4 9,11,4,11
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butterfly 7,5,3,10,8,6,4,11,12,12,12,12
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level6:
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#zetas
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vpmovzxdq 28(%rdx),%ymm12
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vpmovzxdq 44(%rdx),%ymm13
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butterfly 7,5,8,6,3,10,4,11,12,12,13,13
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level7:
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#zetas
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vpmovzxdq 60(%rdx),%ymm12
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vpmovzxdq 76(%rdx),%ymm13
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vpmovzxdq 92(%rdx),%ymm14
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vpmovzxdq 108(%rdx),%ymm15
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butterfly 7,3,8,4,5,10,6,11,12,13,14,15
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#store
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vpsllq $32,%ymm5,%ymm5
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vpsllq $32,%ymm10,%ymm10
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vpsllq $32,%ymm6,%ymm6
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vpsllq $32,%ymm11,%ymm11
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vpblendd $0xAA,%ymm5,%ymm7,%ymm7
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vpblendd $0xAA,%ymm10,%ymm3,%ymm3
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vpblendd $0xAA,%ymm6,%ymm8,%ymm8
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vpblendd $0xAA,%ymm11,%ymm4,%ymm4
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shuffle4 7,3,5,3
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shuffle4 8,4,7,4
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shuffle8 5,7,6,7
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shuffle8 3,4,5,4
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vmovdqa %ymm6,(%rdi)
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vmovdqa %ymm5,32(%rdi)
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vmovdqa %ymm7,64(%rdi)
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vmovdqa %ymm4,96(%rdi)
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ret
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