// +build amd64,!generic arm64,!genericpackagebn256// This file contains forward declarations for the architecture-specific// assembly implementations of these functions, provided that they exist.// go:noescapefuncgfpNeg(c,a*gfP)//go:noescapefuncgfpAdd(c,a,b*gfP)//go:noescapefuncgfpSub(c,a,b*gfP)//go:noescapefuncgfpMul(c,a,b*gfP)