1// Copyright 2010 The Go Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style 3// license that can be found in the LICENSE file. 4 5package big 6 7// implemented in arith_$GOARCH.s 8func mulWW(x, y Word) (z1, z0 Word) 9func divWW(x1, x0, y Word) (q, r Word) 10func addVV(z, x, y []Word) (c Word) 11func subVV(z, x, y []Word) (c Word) 12func addVW(z, x []Word, y Word) (c Word) 13func subVW(z, x []Word, y Word) (c Word) 14func shlVU(z, x []Word, s uint) (c Word) 15func shrVU(z, x []Word, s uint) (c Word) 16func mulAddVWW(z, x []Word, y, r Word) (c Word) 17func addMulVVW(z, x []Word, y Word) (c Word) 18func divWVW(z []Word, xn Word, x []Word, y Word) (r Word) 19func bitLen(x Word) (n int) 20