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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:23:18 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:23:18 +0000 |
| commit | 43a123c1ae6613b3efeed291fa552ecd909d3acf (patch) | |
| tree | fd92518b7024bc74031f78a1cf9e454b65e73665 /src/runtime/duff_s390x.s | |
| parent | Initial commit. (diff) | |
| download | golang-1.20-43a123c1ae6613b3efeed291fa552ecd909d3acf.tar.xz golang-1.20-43a123c1ae6613b3efeed291fa552ecd909d3acf.zip | |
Adding upstream version 1.20.14.upstream/1.20.14upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/runtime/duff_s390x.s')
| -rw-r--r-- | src/runtime/duff_s390x.s | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/runtime/duff_s390x.s b/src/runtime/duff_s390x.s new file mode 100644 index 0000000..95d492a --- /dev/null +++ b/src/runtime/duff_s390x.s @@ -0,0 +1,19 @@ +// 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 |