duff_s390x.s

Documentation: runtime

     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

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