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mirror of https://github.com/henrydcase/pqc.git synced 2024-11-30 03:11:43 +00:00
pqcrypto/crypto_sign/dilithium2/avx2/pointwise.S

191 lines
3.8 KiB
ArmAsm

#include "params.h"
#include "cdecl.inc"
.global cdecl(PQCLEAN_DILITHIUM2_AVX2_pointwise_avx)
cdecl(PQCLEAN_DILITHIUM2_AVX2_pointwise_avx):
#consts
vmovdqa cdecl(PQCLEAN_DILITHIUM2_AVX2_8xqinv)(%rip),%ymm0
vmovdqa cdecl(PQCLEAN_DILITHIUM2_AVX2_8xq)(%rip),%ymm1
xor %eax,%eax
_looptop1:
#load
vmovdqa (%rsi),%ymm2
vmovdqa 32(%rsi),%ymm4
vmovdqa 64(%rsi),%ymm6
vmovdqa (%rdx),%ymm10
vmovdqa 32(%rdx),%ymm12
vmovdqa 64(%rdx),%ymm14
vpsrlq $32,%ymm2,%ymm3
vpsrlq $32,%ymm4,%ymm5
vpsrlq $32,%ymm6,%ymm7
vpsrlq $32,%ymm10,%ymm11
vpsrlq $32,%ymm12,%ymm13
vpsrlq $32,%ymm14,%ymm15
#mul
vpmuludq %ymm2,%ymm10,%ymm2
vpmuludq %ymm3,%ymm11,%ymm3
vpmuludq %ymm4,%ymm12,%ymm4
vpmuludq %ymm5,%ymm13,%ymm5
vpmuludq %ymm6,%ymm14,%ymm6
vpmuludq %ymm7,%ymm15,%ymm7
#reduce
vpmuludq %ymm0,%ymm2,%ymm10
vpmuludq %ymm0,%ymm3,%ymm11
vpmuludq %ymm0,%ymm4,%ymm12
vpmuludq %ymm0,%ymm5,%ymm13
vpmuludq %ymm0,%ymm6,%ymm14
vpmuludq %ymm0,%ymm7,%ymm15
vpmuludq %ymm1,%ymm10,%ymm10
vpmuludq %ymm1,%ymm11,%ymm11
vpmuludq %ymm1,%ymm12,%ymm12
vpmuludq %ymm1,%ymm13,%ymm13
vpmuludq %ymm1,%ymm14,%ymm14
vpmuludq %ymm1,%ymm15,%ymm15
vpaddq %ymm2,%ymm10,%ymm2
vpaddq %ymm3,%ymm11,%ymm3
vpaddq %ymm4,%ymm12,%ymm4
vpaddq %ymm5,%ymm13,%ymm5
vpaddq %ymm6,%ymm14,%ymm6
vpaddq %ymm7,%ymm15,%ymm7
vpsrlq $32,%ymm2,%ymm2
vpsrlq $32,%ymm4,%ymm4
vpsrlq $32,%ymm6,%ymm6
#store
vpblendd $0xAA,%ymm3,%ymm2,%ymm2
vpblendd $0xAA,%ymm5,%ymm4,%ymm4
vpblendd $0xAA,%ymm7,%ymm6,%ymm6
vmovdqa %ymm2,(%rdi)
vmovdqa %ymm4,32(%rdi)
vmovdqa %ymm6,64(%rdi)
add $96,%rdi
add $96,%rsi
add $96,%rdx
add $1,%eax
cmp $10,%eax
jb _looptop1
vmovdqa (%rsi),%ymm2
vmovdqa 32(%rsi),%ymm4
vmovdqa (%rdx),%ymm10
vmovdqa 32(%rdx),%ymm12
vpsrlq $32,%ymm2,%ymm3
vpsrlq $32,%ymm4,%ymm5
vpsrlq $32,%ymm10,%ymm11
vpsrlq $32,%ymm12,%ymm13
#mul
vpmuludq %ymm2,%ymm10,%ymm2
vpmuludq %ymm3,%ymm11,%ymm3
vpmuludq %ymm4,%ymm12,%ymm4
vpmuludq %ymm5,%ymm13,%ymm5
#reduce
vpmuludq %ymm0,%ymm2,%ymm10
vpmuludq %ymm0,%ymm3,%ymm11
vpmuludq %ymm0,%ymm4,%ymm12
vpmuludq %ymm0,%ymm5,%ymm13
vpmuludq %ymm1,%ymm10,%ymm10
vpmuludq %ymm1,%ymm11,%ymm11
vpmuludq %ymm1,%ymm12,%ymm12
vpmuludq %ymm1,%ymm13,%ymm13
vpaddq %ymm2,%ymm10,%ymm2
vpaddq %ymm3,%ymm11,%ymm3
vpaddq %ymm4,%ymm12,%ymm4
vpaddq %ymm5,%ymm13,%ymm5
vpsrlq $32,%ymm2,%ymm2
vpsrlq $32,%ymm4,%ymm4
#store
vpblendd $0x55,%ymm2,%ymm3,%ymm2
vpblendd $0x55,%ymm4,%ymm5,%ymm4
vmovdqa %ymm2,(%rdi)
vmovdqa %ymm4,32(%rdi)
ret
.macro pointwise off
#load
vmovdqa \off(%rsi),%ymm6
vmovdqa \off+32(%rsi),%ymm8
vmovdqa \off(%rdx),%ymm10
vmovdqa \off+32(%rdx),%ymm12
vpsrlq $32,%ymm6,%ymm7
vpsrlq $32,%ymm8,%ymm9
vpsrlq $32,%ymm10,%ymm11
vpsrlq $32,%ymm12,%ymm13
#mul
vpmuludq %ymm6,%ymm10,%ymm6
vpmuludq %ymm7,%ymm11,%ymm7
vpmuludq %ymm8,%ymm12,%ymm8
vpmuludq %ymm9,%ymm13,%ymm9
.endm
.macro acc
vpaddq %ymm6,%ymm2,%ymm2
vpaddq %ymm7,%ymm3,%ymm3
vpaddq %ymm8,%ymm4,%ymm4
vpaddq %ymm9,%ymm5,%ymm5
.endm
.global cdecl(PQCLEAN_DILITHIUM2_AVX2_pointwise_acc_avx)
cdecl(PQCLEAN_DILITHIUM2_AVX2_pointwise_acc_avx):
#consts
vmovdqa cdecl(PQCLEAN_DILITHIUM2_AVX2_8xqinv)(%rip),%ymm0
vmovdqa cdecl(PQCLEAN_DILITHIUM2_AVX2_8xq)(%rip),%ymm1
xor %eax,%eax
_looptop2:
pointwise 0
#mov
vmovdqa %ymm6,%ymm2
vmovdqa %ymm7,%ymm3
vmovdqa %ymm8,%ymm4
vmovdqa %ymm9,%ymm5
pointwise 1024
acc
pointwise 2048
acc
#reduce
vpmuludq %ymm0,%ymm2,%ymm6
vpmuludq %ymm0,%ymm3,%ymm7
vpmuludq %ymm0,%ymm4,%ymm8
vpmuludq %ymm0,%ymm5,%ymm9
vpmuludq %ymm1,%ymm6,%ymm6
vpmuludq %ymm1,%ymm7,%ymm7
vpmuludq %ymm1,%ymm8,%ymm8
vpmuludq %ymm1,%ymm9,%ymm9
vpaddq %ymm2,%ymm6,%ymm2
vpaddq %ymm3,%ymm7,%ymm3
vpaddq %ymm4,%ymm8,%ymm4
vpaddq %ymm5,%ymm9,%ymm5
vpsrlq $32,%ymm2,%ymm2
vpsrlq $32,%ymm4,%ymm4
#store
vpblendd $0xAA,%ymm3,%ymm2,%ymm2
vpblendd $0xAA,%ymm5,%ymm4,%ymm4
vmovdqa %ymm2,(%rdi)
vmovdqa %ymm4,32(%rdi)
add $64,%rsi
add $64,%rdx
add $64,%rdi
add $1,%eax
cmp $16,%eax
jb _looptop2
ret