文件操作 - duff_s390x.s
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文件: /usr/share/go-1.23/src/runtime/duff_s390x.s
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// Copyright 2019 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. #include "go_asm.h" #include "go_tls.h" #include "textflag.h" // s390x can copy/zero 1-256 bytes with a single instruction, // so there's no need for these, except to satisfy the prototypes // in stubs.go. TEXT runtime·duffzero(SB),NOSPLIT|NOFRAME,$0-0 MOVD $0, 2(R0) RET TEXT runtime·duffcopy(SB),NOSPLIT|NOFRAME,$0-0 MOVD $0, 2(R0) RET
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