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84 lines
1.7 KiB
84 lines
1.7 KiB
// Copyright 2020 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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//go:build (amd64 && blsasm) || (amd64 && blsadx)
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// +build amd64,blsasm amd64,blsadx
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package bls12381
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import (
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"golang.org/x/sys/cpu"
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)
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func init() {
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if !enableADX || !cpu.X86.HasADX || !cpu.X86.HasBMI2 {
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mul = mulNoADX
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}
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}
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// Use ADX backend for default
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var mul func(c, a, b *fe) = mulADX
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func square(c, a *fe) {
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mul(c, a, a)
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}
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func neg(c, a *fe) {
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if a.isZero() {
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c.set(a)
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} else {
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_neg(c, a)
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}
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}
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//go:noescape
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func add(c, a, b *fe)
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//go:noescape
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func addAssign(a, b *fe)
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//go:noescape
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func ladd(c, a, b *fe)
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//go:noescape
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func laddAssign(a, b *fe)
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//go:noescape
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func double(c, a *fe)
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//go:noescape
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func doubleAssign(a *fe)
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//go:noescape
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func ldouble(c, a *fe)
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//go:noescape
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func sub(c, a, b *fe)
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//go:noescape
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func subAssign(a, b *fe)
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//go:noescape
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func lsubAssign(a, b *fe)
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//go:noescape
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func _neg(c, a *fe)
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//go:noescape
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func mulNoADX(c, a, b *fe)
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//go:noescape
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func mulADX(c, a, b *fe)
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