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pqcrypto/crypto_kem/kyber1024-90s/avx2/invntt.s
2019-09-24 08:01:54 +02:00

218 lines
4.3 KiB
ArmAsm

.include "shuffle.inc"
.include "fq.inc"
.macro butterfly rl0,rl1,rl2,rl3,rh0,rh1,rh2,rh3 zl0=1,zl1=1,zh0=2,zh1=2
#update & mul
vpsubw %ymm\rh0,%ymm\rl0,%ymm12
vpsubw %ymm\rh1,%ymm\rl1,%ymm13
vpsubw %ymm\rh2,%ymm\rl2,%ymm14
vpaddw %ymm\rh0,%ymm\rl0,%ymm\rl0
vpaddw %ymm\rh1,%ymm\rl1,%ymm\rl1
vpmullw %ymm\zl0,%ymm12,%ymm\rh0
vpaddw %ymm\rh2,%ymm\rl2,%ymm\rl2
vpmullw %ymm\zl0,%ymm13,%ymm\rh1
vpsubw %ymm\rh3,%ymm\rl3,%ymm15
vpaddw %ymm\rh3,%ymm\rl3,%ymm\rl3
vpmullw %ymm\zl1,%ymm14,%ymm\rh2
vpmullw %ymm\zl1,%ymm15,%ymm\rh3
vpmulhw %ymm\zh0,%ymm12,%ymm12
vpmulhw %ymm\zh0,%ymm13,%ymm13
vpmulhw %ymm\zh1,%ymm14,%ymm14
vpmulhw %ymm\zh1,%ymm15,%ymm15
#reduce
vpmulhw %ymm0,%ymm\rh0,%ymm\rh0
vpmulhw %ymm0,%ymm\rh1,%ymm\rh1
vpmulhw %ymm0,%ymm\rh2,%ymm\rh2
vpmulhw %ymm0,%ymm\rh3,%ymm\rh3
vpsubw %ymm\rh0,%ymm12,%ymm\rh0
vpsubw %ymm\rh1,%ymm13,%ymm\rh1
vpsubw %ymm\rh2,%ymm14,%ymm\rh2
vpsubw %ymm\rh3,%ymm15,%ymm\rh3
.endm
.global PQCLEAN_KYBER102490S_AVX2_invntt_levels0t5_avx
.p2align 5
PQCLEAN_KYBER102490S_AVX2_invntt_levels0t5_avx:
#consts
vmovdqa PQCLEAN_KYBER102490S_AVX2_16xq(%rip),%ymm0
level0:
#zetas
vmovdqu (%rsi),%ymm15
vmovdqu 64(%rsi),%ymm3
vmovdqu 32(%rsi),%ymm1
vmovdqu 96(%rsi),%ymm2
#load
vmovdqa (%rdi),%ymm4
vmovdqa 32(%rdi),%ymm5
vmovdqa 64(%rdi),%ymm6
vmovdqa 96(%rdi),%ymm7
vmovdqa 128(%rdi),%ymm8
vmovdqa 160(%rdi),%ymm9
vmovdqa 192(%rdi),%ymm10
vmovdqa 224(%rdi),%ymm11
butterfly 4,5,8,9,6,7,10,11 15,3,1,2
level1:
#zetas
vmovdqu 128(%rsi),%ymm3
vmovdqu 160(%rsi),%ymm2
butterfly 4,5,6,7,8,9,10,11 3,3,2,2
shuffle1 4,5,3,5
shuffle1 6,7,4,7
shuffle1 8,9,6,9
shuffle1 10,11,8,11
level2:
#zetas
vmovdqu 192(%rsi),%ymm10
vmovdqu 224(%rsi),%ymm2
#consts
vmovdqa PQCLEAN_KYBER102490S_AVX2_16xv(%rip),%ymm1
butterfly 3,4,6,8,5,7,9,11 10,10,2,2
red16 3
shuffle2 3,4,10,4
shuffle2 6,8,3,8
shuffle2 5,7,6,7
shuffle2 9,11,5,11
level3:
#zetas
vmovdqu 256(%rsi),%ymm9
vmovdqu 288(%rsi),%ymm2
butterfly 10,3,6,5,4,8,7,11 9,9,2,2
red16 10
shuffle4 10,3,9,3
shuffle4 6,5,10,5
shuffle4 4,8,6,8
shuffle4 7,11,4,11
level4:
#zetas
vmovdqu 320(%rsi),%ymm7
vmovdqu 352(%rsi),%ymm2
butterfly 9,10,6,4,3,5,8,11 7,7,2,2
red16 9
shuffle8 9,10,7,10
shuffle8 6,4,9,4
shuffle8 3,5,6,5
shuffle8 8,11,3,11
level5:
#zetas
vpbroadcastd 384(%rsi),%ymm8
vpbroadcastd 388(%rsi),%ymm2
butterfly 7,9,6,3,10,4,5,11 8,8,2,2
red16 7
#store
vmovdqa %ymm7,(%rdi)
vmovdqa %ymm9,32(%rdi)
vmovdqa %ymm6,64(%rdi)
vmovdqa %ymm3,96(%rdi)
vmovdqa %ymm10,128(%rdi)
vmovdqa %ymm4,160(%rdi)
vmovdqa %ymm5,192(%rdi)
vmovdqa %ymm11,224(%rdi)
ret
.global PQCLEAN_KYBER102490S_AVX2_invntt_level6_avx
PQCLEAN_KYBER102490S_AVX2_invntt_level6_avx:
#consts
vmovdqa PQCLEAN_KYBER102490S_AVX2_16xq(%rip),%ymm0
#zetas
vpbroadcastd (%rsi),%ymm1
vpbroadcastd 4(%rsi),%ymm2
#load
vmovdqa (%rdi),%ymm4
vmovdqa 32(%rdi),%ymm5
vmovdqa 64(%rdi),%ymm6
vmovdqa 96(%rdi),%ymm7
vmovdqa 256(%rdi),%ymm8
vmovdqa 288(%rdi),%ymm9
vmovdqa 320(%rdi),%ymm10
vmovdqa 352(%rdi),%ymm11
butterfly 4,5,6,7,8,9,10,11
#consts
vmovdqa PQCLEAN_KYBER102490S_AVX2_16xflo(%rip),%ymm12
vmovdqa PQCLEAN_KYBER102490S_AVX2_16xfhi(%rip),%ymm13
#store
vmovdqa %ymm8,256(%rdi)
vmovdqa %ymm9,288(%rdi)
vmovdqa %ymm10,320(%rdi)
vmovdqa %ymm11,352(%rdi)
fqmulprecomp 12,13,4 8
fqmulprecomp 12,13,5 9
fqmulprecomp 12,13,6 10
fqmulprecomp 12,13,7 11
#store
vmovdqa %ymm4,(%rdi)
vmovdqa %ymm5,32(%rdi)
vmovdqa %ymm6,64(%rdi)
vmovdqa %ymm7,96(%rdi)
#load
vmovdqa 128(%rdi),%ymm4
vmovdqa 160(%rdi),%ymm5
vmovdqa 192(%rdi),%ymm6
vmovdqa 224(%rdi),%ymm7
vmovdqa 384(%rdi),%ymm8
vmovdqa 416(%rdi),%ymm9
vmovdqa 448(%rdi),%ymm10
vmovdqa 480(%rdi),%ymm11
butterfly 4,5,6,7,8,9,10,11
#consts
vmovdqa PQCLEAN_KYBER102490S_AVX2_16xflo(%rip),%ymm12
vmovdqa PQCLEAN_KYBER102490S_AVX2_16xfhi(%rip),%ymm13
#store
vmovdqa %ymm8,384(%rdi)
vmovdqa %ymm9,416(%rdi)
vmovdqa %ymm10,448(%rdi)
vmovdqa %ymm11,480(%rdi)
fqmulprecomp 12,13,4 8
fqmulprecomp 12,13,5 9
fqmulprecomp 12,13,6 10
fqmulprecomp 12,13,7 11
#store
vmovdqa %ymm4,128(%rdi)
vmovdqa %ymm5,160(%rdi)
vmovdqa %ymm6,192(%rdi)
vmovdqa %ymm7,224(%rdi)
ret