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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 13:18:25 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 13:18:25 +0000 |
commit | 109be507377fe7f6e8819ac94041d3fdcdf6fd2f (patch) | |
tree | 2806a689f8fab4a2ec9fc949830ef270a91d667d /test/codegen/issue33580.go | |
parent | Initial commit. (diff) | |
download | golang-1.19-upstream.tar.xz golang-1.19-upstream.zip |
Adding upstream version 1.19.8.upstream/1.19.8upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'test/codegen/issue33580.go')
-rw-r--r-- | test/codegen/issue33580.go | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/test/codegen/issue33580.go b/test/codegen/issue33580.go new file mode 100644 index 0000000..1ded944 --- /dev/null +++ b/test/codegen/issue33580.go @@ -0,0 +1,25 @@ +// asmcheck + +// 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. + +// Make sure we reuse large constant loads, if we can. +// See issue 33580. + +package codegen + +const ( + A = 7777777777777777 + B = 8888888888888888 +) + +func f(x, y uint64) uint64 { + p := x & A + q := y & A + r := x & B + // amd64:-"MOVQ.*8888888888888888" + s := y & B + + return p * q * r * s +} |