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