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