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pqcrypto/crypto_kem/kyber512/avx2/shuffle.inc

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.macro shuffle8 r0,r1,r2,r3
vperm2i128 $0x20,%ymm\r1,%ymm\r0,%ymm\r2
vperm2i128 $0x31,%ymm\r1,%ymm\r0,%ymm\r3
.endm
.macro shuffle4 r0,r1,r2,r3
vpunpcklqdq %ymm\r1,%ymm\r0,%ymm\r2
vpunpckhqdq %ymm\r1,%ymm\r0,%ymm\r3
.endm
.macro shuffle2 r0,r1,r2,r3
vpsllq $32,%ymm\r1,%ymm12
vpsrlq $32,%ymm\r0,%ymm13
vpblendd $0xAA,%ymm12,%ymm\r0,%ymm\r2
vpblendd $0xAA,%ymm\r1,%ymm13,%ymm\r3
.endm
.macro shuffle1 r0,r1,r2,r3
vpslld $16,%ymm\r1,%ymm12
vpsrld $16,%ymm\r0,%ymm13
vpblendw $0xAA,%ymm12,%ymm\r0,%ymm\r2
vpblendw $0xAA,%ymm\r1,%ymm13,%ymm\r3
.endm