pqc/crypto_sign/dilithium5/avx2/shuffle.S
John Schanck 4f86c39515
Round 3 update for Dilithium (from github source) (#369)
* Update Dilithium

* Alternative montgomery reduce to avoid i386 functest errors

* Explicit casts for msvc

* More casts; bump upstream version; fix metadata

* another cast
2021-02-01 13:32:40 +08:00

55 lines
1.0 KiB
ArmAsm

#include "cdecl.h"
.include "shuffle.inc"
.text
nttunpack128_avx:
#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
shuffle8 4,8,3,8
shuffle8 5,9,4,9
shuffle8 6,10,5,10
shuffle8 7,11,6,11
shuffle4 3,5,7,5
shuffle4 8,10,3,10
shuffle4 4,6,8,6
shuffle4 9,11,4,11
shuffle2 7,8,9,8
shuffle2 5,6,7,6
shuffle2 3,4,5,4
shuffle2 10,11,3,11
#store
vmovdqa %ymm9,(%rdi)
vmovdqa %ymm8,32(%rdi)
vmovdqa %ymm7,64(%rdi)
vmovdqa %ymm6,96(%rdi)
vmovdqa %ymm5,128(%rdi)
vmovdqa %ymm4,160(%rdi)
vmovdqa %ymm3,192(%rdi)
vmovdqa %ymm11,224(%rdi)
ret
.global cdecl(PQCLEAN_DILITHIUM5_AVX2_nttunpack_avx)
.global _cdecl(PQCLEAN_DILITHIUM5_AVX2_nttunpack_avx)
cdecl(PQCLEAN_DILITHIUM5_AVX2_nttunpack_avx):
_cdecl(PQCLEAN_DILITHIUM5_AVX2_nttunpack_avx):
call nttunpack128_avx
add $256,%rdi
call nttunpack128_avx
add $256,%rdi
call nttunpack128_avx
add $256,%rdi
call nttunpack128_avx
ret