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https://github.com/henrydcase/pqc.git
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218 lines
4.3 KiB
ArmAsm
218 lines
4.3 KiB
ArmAsm
.include "shuffle.inc"
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.include "fq.inc"
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.macro butterfly rl0,rl1,rl2,rl3,rh0,rh1,rh2,rh3 zl0=1,zl1=1,zh0=2,zh1=2
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#update & mul
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vpsubw %ymm\rh0,%ymm\rl0,%ymm12
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vpsubw %ymm\rh1,%ymm\rl1,%ymm13
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vpsubw %ymm\rh2,%ymm\rl2,%ymm14
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vpaddw %ymm\rh0,%ymm\rl0,%ymm\rl0
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vpaddw %ymm\rh1,%ymm\rl1,%ymm\rl1
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vpmullw %ymm\zl0,%ymm12,%ymm\rh0
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vpaddw %ymm\rh2,%ymm\rl2,%ymm\rl2
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vpmullw %ymm\zl0,%ymm13,%ymm\rh1
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vpsubw %ymm\rh3,%ymm\rl3,%ymm15
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vpaddw %ymm\rh3,%ymm\rl3,%ymm\rl3
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vpmullw %ymm\zl1,%ymm14,%ymm\rh2
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vpmullw %ymm\zl1,%ymm15,%ymm\rh3
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vpmulhw %ymm\zh0,%ymm12,%ymm12
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vpmulhw %ymm\zh0,%ymm13,%ymm13
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vpmulhw %ymm\zh1,%ymm14,%ymm14
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vpmulhw %ymm\zh1,%ymm15,%ymm15
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#reduce
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vpmulhw %ymm0,%ymm\rh0,%ymm\rh0
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vpmulhw %ymm0,%ymm\rh1,%ymm\rh1
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vpmulhw %ymm0,%ymm\rh2,%ymm\rh2
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vpmulhw %ymm0,%ymm\rh3,%ymm\rh3
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vpsubw %ymm\rh0,%ymm12,%ymm\rh0
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vpsubw %ymm\rh1,%ymm13,%ymm\rh1
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vpsubw %ymm\rh2,%ymm14,%ymm\rh2
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vpsubw %ymm\rh3,%ymm15,%ymm\rh3
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.endm
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.global PQCLEAN_KYBER76890S_AVX2_invntt_levels0t5_avx
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.p2align 5
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PQCLEAN_KYBER76890S_AVX2_invntt_levels0t5_avx:
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#consts
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vmovdqa PQCLEAN_KYBER76890S_AVX2_16xq(%rip),%ymm0
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level0:
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#zetas
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vmovdqu (%rsi),%ymm15
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vmovdqu 64(%rsi),%ymm3
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vmovdqu 32(%rsi),%ymm1
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vmovdqu 96(%rsi),%ymm2
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#load
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vmovdqa (%rdi),%ymm4
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vmovdqa 32(%rdi),%ymm5
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vmovdqa 64(%rdi),%ymm6
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vmovdqa 96(%rdi),%ymm7
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vmovdqa 128(%rdi),%ymm8
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vmovdqa 160(%rdi),%ymm9
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vmovdqa 192(%rdi),%ymm10
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vmovdqa 224(%rdi),%ymm11
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butterfly 4,5,8,9,6,7,10,11 15,3,1,2
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level1:
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#zetas
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vmovdqu 128(%rsi),%ymm3
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vmovdqu 160(%rsi),%ymm2
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butterfly 4,5,6,7,8,9,10,11 3,3,2,2
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shuffle1 4,5,3,5
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shuffle1 6,7,4,7
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shuffle1 8,9,6,9
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shuffle1 10,11,8,11
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level2:
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#zetas
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vmovdqu 192(%rsi),%ymm10
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vmovdqu 224(%rsi),%ymm2
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#consts
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vmovdqa PQCLEAN_KYBER76890S_AVX2_16xv(%rip),%ymm1
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butterfly 3,4,6,8,5,7,9,11 10,10,2,2
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red16 3
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shuffle2 3,4,10,4
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shuffle2 6,8,3,8
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shuffle2 5,7,6,7
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shuffle2 9,11,5,11
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level3:
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#zetas
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vmovdqu 256(%rsi),%ymm9
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vmovdqu 288(%rsi),%ymm2
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butterfly 10,3,6,5,4,8,7,11 9,9,2,2
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red16 10
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shuffle4 10,3,9,3
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shuffle4 6,5,10,5
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shuffle4 4,8,6,8
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shuffle4 7,11,4,11
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level4:
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#zetas
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vmovdqu 320(%rsi),%ymm7
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vmovdqu 352(%rsi),%ymm2
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butterfly 9,10,6,4,3,5,8,11 7,7,2,2
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red16 9
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shuffle8 9,10,7,10
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shuffle8 6,4,9,4
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shuffle8 3,5,6,5
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shuffle8 8,11,3,11
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level5:
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#zetas
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vpbroadcastd 384(%rsi),%ymm8
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vpbroadcastd 388(%rsi),%ymm2
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butterfly 7,9,6,3,10,4,5,11 8,8,2,2
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red16 7
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#store
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vmovdqa %ymm7,(%rdi)
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vmovdqa %ymm9,32(%rdi)
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vmovdqa %ymm6,64(%rdi)
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vmovdqa %ymm3,96(%rdi)
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vmovdqa %ymm10,128(%rdi)
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vmovdqa %ymm4,160(%rdi)
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vmovdqa %ymm5,192(%rdi)
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vmovdqa %ymm11,224(%rdi)
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ret
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.global PQCLEAN_KYBER76890S_AVX2_invntt_level6_avx
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PQCLEAN_KYBER76890S_AVX2_invntt_level6_avx:
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#consts
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vmovdqa PQCLEAN_KYBER76890S_AVX2_16xq(%rip),%ymm0
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#zetas
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vpbroadcastd (%rsi),%ymm1
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vpbroadcastd 4(%rsi),%ymm2
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#load
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vmovdqa (%rdi),%ymm4
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vmovdqa 32(%rdi),%ymm5
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vmovdqa 64(%rdi),%ymm6
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vmovdqa 96(%rdi),%ymm7
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vmovdqa 256(%rdi),%ymm8
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vmovdqa 288(%rdi),%ymm9
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vmovdqa 320(%rdi),%ymm10
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vmovdqa 352(%rdi),%ymm11
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butterfly 4,5,6,7,8,9,10,11
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#consts
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vmovdqa PQCLEAN_KYBER76890S_AVX2_16xflo(%rip),%ymm12
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vmovdqa PQCLEAN_KYBER76890S_AVX2_16xfhi(%rip),%ymm13
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#store
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vmovdqa %ymm8,256(%rdi)
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vmovdqa %ymm9,288(%rdi)
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vmovdqa %ymm10,320(%rdi)
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vmovdqa %ymm11,352(%rdi)
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fqmulprecomp 12,13,4 8
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fqmulprecomp 12,13,5 9
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fqmulprecomp 12,13,6 10
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fqmulprecomp 12,13,7 11
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#store
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vmovdqa %ymm4,(%rdi)
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vmovdqa %ymm5,32(%rdi)
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vmovdqa %ymm6,64(%rdi)
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vmovdqa %ymm7,96(%rdi)
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#load
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vmovdqa 128(%rdi),%ymm4
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vmovdqa 160(%rdi),%ymm5
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vmovdqa 192(%rdi),%ymm6
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vmovdqa 224(%rdi),%ymm7
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vmovdqa 384(%rdi),%ymm8
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vmovdqa 416(%rdi),%ymm9
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vmovdqa 448(%rdi),%ymm10
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vmovdqa 480(%rdi),%ymm11
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butterfly 4,5,6,7,8,9,10,11
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#consts
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vmovdqa PQCLEAN_KYBER76890S_AVX2_16xflo(%rip),%ymm12
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vmovdqa PQCLEAN_KYBER76890S_AVX2_16xfhi(%rip),%ymm13
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#store
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vmovdqa %ymm8,384(%rdi)
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vmovdqa %ymm9,416(%rdi)
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vmovdqa %ymm10,448(%rdi)
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vmovdqa %ymm11,480(%rdi)
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fqmulprecomp 12,13,4 8
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fqmulprecomp 12,13,5 9
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fqmulprecomp 12,13,6 10
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fqmulprecomp 12,13,7 11
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#store
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vmovdqa %ymm4,128(%rdi)
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vmovdqa %ymm5,160(%rdi)
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vmovdqa %ymm6,192(%rdi)
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vmovdqa %ymm7,224(%rdi)
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ret
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