2020-10-27 00:05:07 +00:00
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#include "cdecl.h"
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2019-09-10 10:45:01 +01:00
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2020-10-27 13:48:42 +00:00
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.macro schoolbook off
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vmovdqa _16XQINV*2(%rcx),%ymm0
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vmovdqa (64*\off+ 0)*2(%rsi),%ymm1 # a0
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vmovdqa (64*\off+16)*2(%rsi),%ymm2 # b0
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vmovdqa (64*\off+32)*2(%rsi),%ymm3 # a1
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vmovdqa (64*\off+48)*2(%rsi),%ymm4 # b1
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vpmullw %ymm0,%ymm1,%ymm9 # a0.lo
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vpmullw %ymm0,%ymm2,%ymm10 # b0.lo
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vpmullw %ymm0,%ymm3,%ymm11 # a1.lo
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vpmullw %ymm0,%ymm4,%ymm12 # b1.lo
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vmovdqa (64*\off+ 0)*2(%rdx),%ymm5 # c0
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vmovdqa (64*\off+16)*2(%rdx),%ymm6 # d0
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vpmulhw %ymm5,%ymm1,%ymm13 # a0c0.hi
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vpmulhw %ymm6,%ymm1,%ymm1 # a0d0.hi
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vpmulhw %ymm5,%ymm2,%ymm14 # b0c0.hi
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vpmulhw %ymm6,%ymm2,%ymm2 # b0d0.hi
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vmovdqa (64*\off+32)*2(%rdx),%ymm7 # c1
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vmovdqa (64*\off+48)*2(%rdx),%ymm8 # d1
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vpmulhw %ymm7,%ymm3,%ymm15 # a1c1.hi
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vpmulhw %ymm8,%ymm3,%ymm3 # a1d1.hi
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vpmulhw %ymm7,%ymm4,%ymm0 # b1c1.hi
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vpmulhw %ymm8,%ymm4,%ymm4 # b1d1.hi
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vmovdqa %ymm13,(%rsp)
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vpmullw %ymm5,%ymm9,%ymm13 # a0c0.lo
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vpmullw %ymm6,%ymm9,%ymm9 # a0d0.lo
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vpmullw %ymm5,%ymm10,%ymm5 # b0c0.lo
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vpmullw %ymm6,%ymm10,%ymm10 # b0d0.lo
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vpmullw %ymm7,%ymm11,%ymm6 # a1c1.lo
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vpmullw %ymm8,%ymm11,%ymm11 # a1d1.lo
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vpmullw %ymm7,%ymm12,%ymm7 # b1c1.lo
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vpmullw %ymm8,%ymm12,%ymm12 # b1d1.lo
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vmovdqa _16XQ*2(%rcx),%ymm8
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vpmulhw %ymm8,%ymm13,%ymm13
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vpmulhw %ymm8,%ymm9,%ymm9
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vpmulhw %ymm8,%ymm5,%ymm5
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vpmulhw %ymm8,%ymm10,%ymm10
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vpmulhw %ymm8,%ymm6,%ymm6
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vpmulhw %ymm8,%ymm11,%ymm11
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vpmulhw %ymm8,%ymm7,%ymm7
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vpmulhw %ymm8,%ymm12,%ymm12
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vpsubw (%rsp),%ymm13,%ymm13 # -a0c0
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vpsubw %ymm9,%ymm1,%ymm9 # a0d0
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vpsubw %ymm5,%ymm14,%ymm5 # b0c0
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vpsubw %ymm10,%ymm2,%ymm10 # b0d0
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vpsubw %ymm6,%ymm15,%ymm6 # a1c1
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vpsubw %ymm11,%ymm3,%ymm11 # a1d1
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vpsubw %ymm7,%ymm0,%ymm7 # b1c1
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vpsubw %ymm12,%ymm4,%ymm12 # b1d1
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vmovdqa (%r9),%ymm0
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vmovdqa 32(%r9),%ymm1
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vpmullw %ymm0,%ymm10,%ymm2
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vpmullw %ymm0,%ymm12,%ymm3
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vpmulhw %ymm1,%ymm10,%ymm10
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vpmulhw %ymm1,%ymm12,%ymm12
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vpmulhw %ymm8,%ymm2,%ymm2
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vpmulhw %ymm8,%ymm3,%ymm3
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vpsubw %ymm2,%ymm10,%ymm10 # rb0d0
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vpsubw %ymm3,%ymm12,%ymm12 # rb1d1
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vpaddw %ymm5,%ymm9,%ymm9
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vpaddw %ymm7,%ymm11,%ymm11
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vpsubw %ymm13,%ymm10,%ymm13
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vpsubw %ymm12,%ymm6,%ymm6
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vmovdqa %ymm13,(64*\off+ 0)*2(%rdi)
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vmovdqa %ymm9,(64*\off+16)*2(%rdi)
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vmovdqa %ymm6,(64*\off+32)*2(%rdi)
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vmovdqa %ymm11,(64*\off+48)*2(%rdi)
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2019-09-10 10:45:01 +01:00
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.endm
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2020-07-31 07:17:42 +01:00
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.text
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.global cdecl(PQCLEAN_KYBER512_AVX2_basemul_avx)
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2020-10-27 00:05:07 +00:00
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.global _cdecl(PQCLEAN_KYBER512_AVX2_basemul_avx)
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2020-07-31 07:17:42 +01:00
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cdecl(PQCLEAN_KYBER512_AVX2_basemul_avx):
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2020-10-27 00:05:07 +00:00
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_cdecl(PQCLEAN_KYBER512_AVX2_basemul_avx):
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2020-10-27 13:48:42 +00:00
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mov %rsp,%r8
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and $-32,%rsp
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sub $32,%rsp
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lea (_ZETAS_EXP+176)*2(%rcx),%r9
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schoolbook 0
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add $32*2,%r9
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schoolbook 1
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add $192*2,%r9
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schoolbook 2
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add $32*2,%r9
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schoolbook 3
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2020-07-31 07:17:42 +01:00
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2020-10-27 13:48:42 +00:00
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mov %r8,%rsp
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2020-07-31 07:17:42 +01:00
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ret
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