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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:23:18 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:23:18 +0000 |
commit | 43a123c1ae6613b3efeed291fa552ecd909d3acf (patch) | |
tree | fd92518b7024bc74031f78a1cf9e454b65e73665 /test/align.go | |
parent | Initial commit. (diff) | |
download | golang-1.20-upstream.tar.xz golang-1.20-upstream.zip |
Adding upstream version 1.20.14.upstream/1.20.14upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | test/align.go | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/test/align.go b/test/align.go new file mode 100644 index 0000000..61d07c4 --- /dev/null +++ b/test/align.go @@ -0,0 +1,29 @@ +// run + +// Copyright 2018 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. + +package main + +// On 32-bit archs, one of the f fields of a [2]T +// will be unaligned (address of 4 mod 8). +// Make sure we can access the f fields successfully, +// particularly for load-add combo instructions +// introduced by CL 102036. +type T struct { + pad uint32 + f float64 +} + +//go:noinline +func f(t, u *T) float64 { + return 3.0 + t.f + u.f +} + +func main() { + t := [2]T{{0, 1.0}, {0, 2.0}} + sink = f(&t[0], &t[1]) +} + +var sink float64 |