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pqcrypto/crypto_kem/kyber1024/avx2/shuffle.s
Thom Wiggers f4bd312180 Adds AVX2 variants of Kyber512, Kyber768, Kyber1024 (#225)
* Integrate Kyber-AVX2 into PQClean

* Fix types and formatting in Kyber

* Workaround a valgrind crash

* Remove comment in shuffle.s

* Remove some extraneous truncations

* fixup! Fix types and formatting in Kyber
2019-09-10 11:45:01 +02:00

207 lines
3.5 KiB
ArmAsm

.include "fq.inc"
.include "shuffle.inc"
.global PQCLEAN_KYBER1024_AVX2_nttunpack_avx
PQCLEAN_KYBER1024_AVX2_nttunpack_avx:
#consts
vmovdqa PQCLEAN_KYBER1024_AVX2_16xq(%rip),%ymm0
vmovdqa PQCLEAN_KYBER1024_AVX2_16xv(%rip),%ymm1
#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
/*
#reduce
red16 4 12
red16 5 13
red16 6 14
red16 7 15
red16 8 12
red16 9 13
red16 10 14
red16 11 15
*/
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
shuffle1 9,5,10,5
shuffle1 8,4,9,4
shuffle1 7,3,8,3
shuffle1 6,11,7,11
#store
vmovdqa %ymm10,(%rdi)
vmovdqa %ymm5,32(%rdi)
vmovdqa %ymm9,64(%rdi)
vmovdqa %ymm4,96(%rdi)
vmovdqa %ymm8,128(%rdi)
vmovdqa %ymm3,160(%rdi)
vmovdqa %ymm7,192(%rdi)
vmovdqa %ymm11,224(%rdi)
ret
.global PQCLEAN_KYBER1024_AVX2_ntttobytes_avx
PQCLEAN_KYBER1024_AVX2_ntttobytes_avx:
#consts
vmovdqa PQCLEAN_KYBER1024_AVX2_16xq(%rip),%ymm0
#load
vmovdqa (%rsi),%ymm5
vmovdqa 32(%rsi),%ymm6
vmovdqa 64(%rsi),%ymm7
vmovdqa 96(%rsi),%ymm8
vmovdqa 128(%rsi),%ymm9
vmovdqa 160(%rsi),%ymm10
vmovdqa 192(%rsi),%ymm11
vmovdqa 224(%rsi),%ymm12
#csubq
csubq 5 13
csubq 6 14
csubq 7 15
csubq 8 1
csubq 9 13
csubq 10 14
csubq 11 15
csubq 12 1
#bitpack
vpsllw $12,%ymm6,%ymm4
vpor %ymm4,%ymm5,%ymm4
vpsrlw $4,%ymm6,%ymm5
vpsllw $8,%ymm7,%ymm6
vpor %ymm5,%ymm6,%ymm5
vpsrlw $8,%ymm7,%ymm6
vpsllw $4,%ymm8,%ymm7
vpor %ymm6,%ymm7,%ymm6
vpsllw $12,%ymm10,%ymm7
vpor %ymm7,%ymm9,%ymm7
vpsrlw $4,%ymm10,%ymm8
vpsllw $8,%ymm11,%ymm9
vpor %ymm8,%ymm9,%ymm8
vpsrlw $8,%ymm11,%ymm9
vpsllw $4,%ymm12,%ymm10
vpor %ymm9,%ymm10,%ymm9
shuffle1 4,5,3,5
shuffle1 6,7,4,7
shuffle1 8,9,6,9
shuffle2 3,4,8,4
shuffle2 6,5,3,5
shuffle2 7,9,6,9
shuffle4 8,3,7,3
shuffle4 6,4,8,4
shuffle4 5,9,6,9
shuffle8 7,8,5,8
shuffle8 6,3,7,3
shuffle8 4,9,6,9
#store
vmovdqu %ymm5,(%rdi)
vmovdqu %ymm7,32(%rdi)
vmovdqu %ymm6,64(%rdi)
vmovdqu %ymm8,96(%rdi)
vmovdqu %ymm3,128(%rdi)
vmovdqu %ymm9,160(%rdi)
ret
.global PQCLEAN_KYBER1024_AVX2_nttfrombytes_avx
PQCLEAN_KYBER1024_AVX2_nttfrombytes_avx:
#consts
vmovdqa PQCLEAN_KYBER1024_AVX2_16xmask(%rip),%ymm0
#load
vmovdqu (%rsi),%ymm4
vmovdqu 32(%rsi),%ymm5
vmovdqu 64(%rsi),%ymm6
vmovdqu 96(%rsi),%ymm7
vmovdqu 128(%rsi),%ymm8
vmovdqu 160(%rsi),%ymm9
shuffle8 4,7,3,7
shuffle8 5,8,4,8
shuffle8 6,9,5,9
shuffle4 3,8,6,8
shuffle4 7,5,3,5
shuffle4 4,9,7,9
shuffle2 6,5,4,5
shuffle2 8,7,6,7
shuffle2 3,9,8,9
shuffle1 4,7,10,7
shuffle1 5,8,4,8
shuffle1 6,9,5,9
#bitunpack
vpsrlw $12,%ymm10,%ymm11
vpsllw $4,%ymm7,%ymm12
vpor %ymm11,%ymm12,%ymm11
vpand %ymm0,%ymm10,%ymm10
vpand %ymm0,%ymm11,%ymm11
vpsrlw $8,%ymm7,%ymm12
vpsllw $8,%ymm4,%ymm13
vpor %ymm12,%ymm13,%ymm12
vpand %ymm0,%ymm12,%ymm12
vpsrlw $4,%ymm4,%ymm13
vpand %ymm0,%ymm13,%ymm13
vpsrlw $12,%ymm8,%ymm14
vpsllw $4,%ymm5,%ymm15
vpor %ymm14,%ymm15,%ymm14
vpand %ymm0,%ymm8,%ymm8
vpand %ymm0,%ymm14,%ymm14
vpsrlw $8,%ymm5,%ymm15
vpsllw $8,%ymm9,%ymm1
vpor %ymm15,%ymm1,%ymm15
vpand %ymm0,%ymm15,%ymm15
vpsrlw $4,%ymm9,%ymm1
vpand %ymm0,%ymm1,%ymm1
#store
vmovdqa %ymm10,(%rdi)
vmovdqa %ymm11,32(%rdi)
vmovdqa %ymm12,64(%rdi)
vmovdqa %ymm13,96(%rdi)
vmovdqa %ymm8,128(%rdi)
vmovdqa %ymm14,160(%rdi)
vmovdqa %ymm15,192(%rdi)
vmovdqa %ymm1,224(%rdi)
ret