TrueCloudLab/tzhash
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Move mulBitRightx2 to avx2 assembly file

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This commit is contained in:
Evgenii Stratonikov 2019-10-16 14:39:35 +03:00
parent 3191f1b3fd
commit 4b7f39cd1d
2 changed files with 26 additions and 26 deletions
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26
tz/avx2_inline_amd64.s → tz/avx2_amd64.s
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@ -44,3 +44,29 @@ TEXT ·mulByteRightx2(SB),NOSPLIT,$0
VMOVDQA Y0, (AX) VMOVDQA Y0, (AX)
RET RET
// func mulBitRightx2(c00c10, c01c11 *[4]uint64, e *[2]uint64)
TEXT ·mulBitRightx2(SB),NOSPLIT,$0
MOVQ c00c10+0(FP), AX
VMOVDQA (AX), Y0
MOVQ c01c11+8(FP), BX
VMOVDQA (BX), Y8
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 e+16(FP), CX
VBROADCASTI128 (CX), Y2
VPXOR Y3, Y8, Y3
VPAND Y3, Y2, Y4
VPXOR Y4, Y0, Y8
VMOVDQA Y8, (BX)
VMOVDQA Y3, (AX)
RET

26
tz/avx_amd64.s
View file

@ -96,29 +96,3 @@ TEXT ·mulByteRight(SB),NOSPLIT,$0
MOVUPD X3, (DX) MOVUPD X3, (DX)
RET RET
// func mulBitRightx2(c00c10, c01c11 *[4]uint64, e *[2]uint64)
TEXT ·mulBitRightx2(SB),NOSPLIT,$0
MOVQ c00c10+0(FP), AX
VMOVDQA (AX), Y0
MOVQ c01c11+8(FP), BX
VMOVDQA (BX), Y8
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 e+16(FP), CX
VBROADCASTI128 (CX), Y2
VPXOR Y3, Y8, Y3
VPAND Y3, Y2, Y4
VPXOR Y4, Y0, Y8
VMOVDQA Y8, (BX)
VMOVDQA Y3, (AX)
RET