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mirror of https://github.com/henrydcase/pqc.git synced 2024-11-22 23:48:58 +00:00
pqcrypto/crypto_kem/kyber512/avx2/fq.inc
John M. Schanck 127e9ec326 Round 3 Kyber
2021-03-24 21:02:49 +00:00

31 lines
633 B
PHP

.macro red16 r,rs=0,x=12
vpmulhw %ymm1,%ymm\r,%ymm\x
.if \rs
vpmulhrsw %ymm\rs,%ymm\x,%ymm\x
.else
vpsraw $10,%ymm\x,%ymm\x
.endif
vpmullw %ymm0,%ymm\x,%ymm\x
vpsubw %ymm\x,%ymm\r,%ymm\r
.endm
.macro csubq r,x=12
vpsubw %ymm0,%ymm\r,%ymm\r
vpsraw $15,%ymm\r,%ymm\x
vpand %ymm0,%ymm\x,%ymm\x
vpaddw %ymm\x,%ymm\r,%ymm\r
.endm
.macro caddq r,x=12
vpsraw $15,%ymm\r,%ymm\x
vpand %ymm0,%ymm\x,%ymm\x
vpaddw %ymm\x,%ymm\r,%ymm\r
.endm
.macro fqmulprecomp al,ah,b,x=12
vpmullw %ymm\al,%ymm\b,%ymm\x
vpmulhw %ymm\ah,%ymm\b,%ymm\b
vpmulhw %ymm0,%ymm\x,%ymm\x
vpsubw %ymm\x,%ymm\b,%ymm\b
.endm