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sm9/bn256: arm64 gfp2Square & gfp2SquareU

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Sun Yimin 2023-07-25 08:35:00 +08:00 committed by GitHub
parent c62d6daf74
commit 04e6a1c9b3
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2 changed files with 83 additions and 32 deletions
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40
sm9/bn256/gfp2_g1_arm64.go
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@ -13,39 +13,15 @@ func gfp2Mul(c, a, b *gfP2)
//go:noescape
func gfp2MulU(c, a, b *gfP2)
func gfp2Square(c, a *gfP2) {
tmp := &gfP2{}
tx := &tmp.x
ty := &tmp.y
// gfP2 square.
//
//go:noescape
func gfp2Square(c, a *gfP2)
gfpAdd(ty, &a.x, &a.y)
gfpDouble(tx, &a.x)
gfpSub(tx, &a.y, tx)
gfpMul(ty, tx, ty)
gfpMul(tx, &a.x, &a.y)
gfpAdd(ty, tx, ty)
gfpDouble(tx, tx)
gfp2Copy(c, tmp)
}
func gfp2SquareU(c, a *gfP2) {
tmp := &gfP2{}
tx := &tmp.x
ty := &tmp.y
gfpAdd(tx, &a.x, &a.y)
gfpDouble(ty, &a.x)
gfpSub(ty, &a.y, ty)
gfpMul(tx, tx, ty)
gfpMul(ty, &a.x, &a.y)
gfpAdd(tx, tx, ty)
gfpDouble(ty, ty)
gfpDouble(ty, ty)
gfpNeg(ty, ty)
gfp2Copy(c, tmp)
}
// gfP2 square and mult u.
//
//go:noescape
func gfp2SquareU(c, a *gfP2)
func curvePointDoubleComplete(c, p *curvePoint) {
// Complete addition formula for a = 0 from "Complete addition formulas for

75
sm9/bn256/gfp2_g1_arm64.s
View File

@ -601,3 +601,78 @@ TEXT ·gfp2MulU(SB),NOSPLIT,$104-24
STx (x3out)
RET
// func gfp2Square(c, a *gfP2)
TEXT ·gfp2Square(SB),NOSPLIT,$72-16
MOVD res+0(FP), b_ptr
MOVD in1+8(FP), a_ptr
MOVD ·np+0x00(SB), hlp1
LDP ·p2+0x00(SB), (const0, const1)
LDP ·p2+0x10(SB), (const2, const3)
LDx (y1in)
LDy (x1in)
gfpAddInline
STx (tmp0)
gfpMulBy2Inline
LDy (y1in)
CALL gfpSubInternal(SB)
LDy (tmp0)
CALL gfpMulInternal(SB)
STy (tmp0)
LDx (y1in)
LDy (x1in)
CALL gfpMulInternal(SB)
//STy (tmp1)
LDx (tmp0)
gfpAddInline
STx (y2in)
//LDy (tmp1)
gfpMulBy2Inline
STx (x2in)
RET
// func gfp2SquareU(c, a *gfP2)
TEXT ·gfp2SquareU(SB),NOSPLIT,$72-16
MOVD res+0(FP), b_ptr
MOVD in1+8(FP), a_ptr
MOVD ·np+0x00(SB), hlp1
LDP ·p2+0x00(SB), (const0, const1)
LDP ·p2+0x10(SB), (const2, const3)
LDx (y1in)
LDy (x1in)
gfpAddInline
STx (tmp0)
gfpMulBy2Inline
LDy (y1in)
CALL gfpSubInternal(SB)
LDy (tmp0)
CALL gfpMulInternal(SB)
STy (tmp0)
LDx (y1in)
LDy (x1in)
CALL gfpMulInternal(SB)
//STy (tmp1)
LDx (tmp0)
gfpAddInline
STx (x2in)
//LDy (tmp1)
gfpMulBy2Inline
x2y
gfpMulBy2Inline
MOVD $0, y0
MOVD $0, y1
MOVD $0, y2
MOVD $0, y3
CALL gfpSubInternal(SB)
STx (y2in)
RET