1// Copyright 2019 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 5#include "go_asm.h" 6#include "go_tls.h" 7#include "textflag.h" 8 9// s390x can copy/zero 1-256 bytes with a single instruction, 10// so there's no need for these, except to satisfy the prototypes 11// in stubs.go. 12 13TEXT runtime·duffzero(SB),NOSPLIT|NOFRAME,$0-0 14 MOVD $0, 2(R0) 15 RET 16 17TEXT runtime·duffcopy(SB),NOSPLIT|NOFRAME,$0-0 18 MOVD $0, 2(R0) 19 RET 20