4f86c39515
* Update Dilithium * Alternative montgomery reduce to avoid i386 functest errors * Explicit casts for msvc * More casts; bump upstream version; fix metadata * another cast
200 lines
3.9 KiB
ArmAsm
200 lines
3.9 KiB
ArmAsm
#include "params.h"
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#include "cdecl.h"
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.text
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.global cdecl(PQCLEAN_DILITHIUM2_AVX2_pointwise_avx)
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.global _cdecl(PQCLEAN_DILITHIUM2_AVX2_pointwise_avx)
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cdecl(PQCLEAN_DILITHIUM2_AVX2_pointwise_avx):
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_cdecl(PQCLEAN_DILITHIUM2_AVX2_pointwise_avx):
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#consts
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vmovdqa _8XQINV*4(%rcx),%ymm0
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vmovdqa _8XQ*4(%rcx),%ymm1
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xor %eax,%eax
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_looptop1:
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#load
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vmovdqa (%rsi),%ymm2
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vmovdqa 32(%rsi),%ymm4
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vmovdqa 64(%rsi),%ymm6
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vmovdqa (%rdx),%ymm10
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vmovdqa 32(%rdx),%ymm12
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vmovdqa 64(%rdx),%ymm14
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vpsrlq $32,%ymm2,%ymm3
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vpsrlq $32,%ymm4,%ymm5
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vmovshdup %ymm6,%ymm7
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vpsrlq $32,%ymm10,%ymm11
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vpsrlq $32,%ymm12,%ymm13
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vmovshdup %ymm14,%ymm15
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#mul
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vpmuldq %ymm2,%ymm10,%ymm2
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vpmuldq %ymm3,%ymm11,%ymm3
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vpmuldq %ymm4,%ymm12,%ymm4
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vpmuldq %ymm5,%ymm13,%ymm5
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vpmuldq %ymm6,%ymm14,%ymm6
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vpmuldq %ymm7,%ymm15,%ymm7
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#reduce
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vpmuldq %ymm0,%ymm2,%ymm10
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vpmuldq %ymm0,%ymm3,%ymm11
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vpmuldq %ymm0,%ymm4,%ymm12
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vpmuldq %ymm0,%ymm5,%ymm13
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vpmuldq %ymm0,%ymm6,%ymm14
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vpmuldq %ymm0,%ymm7,%ymm15
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vpmuldq %ymm1,%ymm10,%ymm10
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vpmuldq %ymm1,%ymm11,%ymm11
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vpmuldq %ymm1,%ymm12,%ymm12
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vpmuldq %ymm1,%ymm13,%ymm13
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vpmuldq %ymm1,%ymm14,%ymm14
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vpmuldq %ymm1,%ymm15,%ymm15
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vpsubq %ymm10,%ymm2,%ymm2
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vpsubq %ymm11,%ymm3,%ymm3
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vpsubq %ymm12,%ymm4,%ymm4
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vpsubq %ymm13,%ymm5,%ymm5
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vpsubq %ymm14,%ymm6,%ymm6
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vpsubq %ymm15,%ymm7,%ymm7
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vpsrlq $32,%ymm2,%ymm2
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vpsrlq $32,%ymm4,%ymm4
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vmovshdup %ymm6,%ymm6
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#store
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vpblendd $0xAA,%ymm3,%ymm2,%ymm2
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vpblendd $0xAA,%ymm5,%ymm4,%ymm4
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vpblendd $0xAA,%ymm7,%ymm6,%ymm6
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vmovdqa %ymm2,(%rdi)
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vmovdqa %ymm4,32(%rdi)
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vmovdqa %ymm6,64(%rdi)
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add $96,%rdi
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add $96,%rsi
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add $96,%rdx
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add $1,%eax
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cmp $10,%eax
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jb _looptop1
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vmovdqa (%rsi),%ymm2
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vmovdqa 32(%rsi),%ymm4
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vmovdqa (%rdx),%ymm10
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vmovdqa 32(%rdx),%ymm12
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vpsrlq $32,%ymm2,%ymm3
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vpsrlq $32,%ymm4,%ymm5
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vmovshdup %ymm10,%ymm11
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vmovshdup %ymm12,%ymm13
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#mul
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vpmuldq %ymm2,%ymm10,%ymm2
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vpmuldq %ymm3,%ymm11,%ymm3
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vpmuldq %ymm4,%ymm12,%ymm4
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vpmuldq %ymm5,%ymm13,%ymm5
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#reduce
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vpmuldq %ymm0,%ymm2,%ymm10
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vpmuldq %ymm0,%ymm3,%ymm11
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vpmuldq %ymm0,%ymm4,%ymm12
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vpmuldq %ymm0,%ymm5,%ymm13
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vpmuldq %ymm1,%ymm10,%ymm10
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vpmuldq %ymm1,%ymm11,%ymm11
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vpmuldq %ymm1,%ymm12,%ymm12
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vpmuldq %ymm1,%ymm13,%ymm13
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vpsubq %ymm10,%ymm2,%ymm2
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vpsubq %ymm11,%ymm3,%ymm3
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vpsubq %ymm12,%ymm4,%ymm4
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vpsubq %ymm13,%ymm5,%ymm5
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vpsrlq $32,%ymm2,%ymm2
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vmovshdup %ymm4,%ymm4
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#store
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vpblendd $0x55,%ymm2,%ymm3,%ymm2
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vpblendd $0x55,%ymm4,%ymm5,%ymm4
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vmovdqa %ymm2,(%rdi)
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vmovdqa %ymm4,32(%rdi)
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ret
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.macro pointwise off
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#load
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vmovdqa \off(%rsi),%ymm6
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vmovdqa \off+32(%rsi),%ymm8
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vmovdqa \off(%rdx),%ymm10
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vmovdqa \off+32(%rdx),%ymm12
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vpsrlq $32,%ymm6,%ymm7
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vpsrlq $32,%ymm8,%ymm9
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vmovshdup %ymm10,%ymm11
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vmovshdup %ymm12,%ymm13
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#mul
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vpmuldq %ymm6,%ymm10,%ymm6
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vpmuldq %ymm7,%ymm11,%ymm7
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vpmuldq %ymm8,%ymm12,%ymm8
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vpmuldq %ymm9,%ymm13,%ymm9
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.endm
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.macro acc
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vpaddq %ymm6,%ymm2,%ymm2
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vpaddq %ymm7,%ymm3,%ymm3
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vpaddq %ymm8,%ymm4,%ymm4
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vpaddq %ymm9,%ymm5,%ymm5
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.endm
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.global cdecl(PQCLEAN_DILITHIUM2_AVX2_pointwise_acc_avx)
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.global _cdecl(PQCLEAN_DILITHIUM2_AVX2_pointwise_acc_avx)
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cdecl(PQCLEAN_DILITHIUM2_AVX2_pointwise_acc_avx):
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_cdecl(PQCLEAN_DILITHIUM2_AVX2_pointwise_acc_avx):
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#consts
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vmovdqa _8XQINV*4(%rcx),%ymm0
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vmovdqa _8XQ*4(%rcx),%ymm1
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xor %eax,%eax
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_looptop2:
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pointwise 0
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#mov
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vmovdqa %ymm6,%ymm2
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vmovdqa %ymm7,%ymm3
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vmovdqa %ymm8,%ymm4
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vmovdqa %ymm9,%ymm5
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pointwise 1024
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acc
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pointwise 2048
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acc
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pointwise 3072
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acc
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#reduce
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vpmuldq %ymm0,%ymm2,%ymm6
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vpmuldq %ymm0,%ymm3,%ymm7
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vpmuldq %ymm0,%ymm4,%ymm8
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vpmuldq %ymm0,%ymm5,%ymm9
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vpmuldq %ymm1,%ymm6,%ymm6
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vpmuldq %ymm1,%ymm7,%ymm7
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vpmuldq %ymm1,%ymm8,%ymm8
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vpmuldq %ymm1,%ymm9,%ymm9
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vpsubq %ymm6,%ymm2,%ymm2
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vpsubq %ymm7,%ymm3,%ymm3
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vpsubq %ymm8,%ymm4,%ymm4
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vpsubq %ymm9,%ymm5,%ymm5
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vpsrlq $32,%ymm2,%ymm2
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vmovshdup %ymm4,%ymm4
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#store
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vpblendd $0xAA,%ymm3,%ymm2,%ymm2
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vpblendd $0xAA,%ymm5,%ymm4,%ymm4
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vmovdqa %ymm2,(%rdi)
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vmovdqa %ymm4,32(%rdi)
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add $64,%rsi
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add $64,%rdx
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add $64,%rdi
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add $1,%eax
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cmp $16,%eax
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jb _looptop2
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ret
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