tzhash/gf127/gf127x2_amd64.s

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782 B
ArmAsm
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#include "textflag.h"
// func Mul10x2(a, b) *[4]uint64
TEXT ·mul10x2AVX2(SB), NOSPLIT, $0
MOVQ a+0(FP), AX
VMOVDQA (AX), Y0
VPSLLQ $1, Y0, Y1
VPALIGNR $8, Y1, Y0, Y2
VPSRLQ $63, Y2, Y2
VPXOR Y1, Y2, Y2
VPSRLQ $63, Y1, Y3
VPSLLQ $63, Y3, Y3
VPUNPCKHQDQ Y3, Y3, Y3
VPXOR Y2, Y3, Y3
MOVQ b+8(FP), AX
VMOVDQA Y3, (AX)
RET
// func Mul11x2(a, b) *[4]uint64
TEXT ·mul11x2AVX2(SB), NOSPLIT, $0
MOVQ a+0(FP), AX
VMOVDQA (AX), Y0
VPSLLQ $1, Y0, Y1
VPALIGNR $8, Y1, Y0, Y2
VPSRLQ $63, Y2, Y2
VPXOR Y1, Y2, Y2
VPSRLQ $63, Y1, Y3
VPSLLQ $63, Y3, Y3
VPUNPCKHQDQ Y3, Y3, Y3
VPXOR Y2, Y3, Y3
VPXOR Y0, Y3, Y3
MOVQ b+8(FP), AX
VMOVDQA Y3, (AX)
RET