// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build !math_big_pure_go

package big

import _ "unsafe" // for linkname

// implemented in arith_$GOARCH.s

// addVV should be an internal detail,
// but widely used packages access it using linkname.
// Notable members of the hall of shame include:

	// Run Go bootstrap to build binaries.
	// Use the math_big_pure_go build tag to disable the assembly in math/big
	// which may contain unsupported instructions.
	// Use the purego build tag to disable other assembly code,
	// such as in cmd/internal/notsha256.
	cmd := []string{
		pathf("%s/bin/go", goroot_bootstrap),
		"install",
		"-tags=math_big_pure_go compiler_bootstrap purego",
	}
	if vflag > 0 {

			"flag.mustBeExported",
			"flag.kind",
			"flag.ro",
		},
		"regexp": {
			"(*bitState).push",
		},
		"math/big": {
			"bigEndianWord",
			// The following functions require the math_big_pure_go build tag.
			"addVW",
			"subVW",
		},
		"math/rand": {
			"(*rngSource).Int63",
			"(*rngSource).Uint64",
		},
		"net": {
			"(*UDPConn).ReadFromUDP",
		},
		"sync": {

// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build !math_big_pure_go && (ppc64 || ppc64le)

#include "textflag.h"

// This file provides fast assembly versions for the elementary
// arithmetic operations on vectors implemented in arith.go.

// func addVV(z, y, y []Word) (c Word)
// z[i] = x[i] + y[i] for all i, carrying