summaryrefslogtreecommitdiffstats
path: root/test/codegen/issue33580.go
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 13:16:40 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 13:16:40 +0000
commit47ab3d4a42e9ab51c465c4322d2ec233f6324e6b (patch)
treea61a0ffd83f4a3def4b36e5c8e99630c559aa723 /test/codegen/issue33580.go
parentInitial commit. (diff)
downloadgolang-1.18-47ab3d4a42e9ab51c465c4322d2ec233f6324e6b.tar.xz
golang-1.18-47ab3d4a42e9ab51c465c4322d2ec233f6324e6b.zip
Adding upstream version 1.18.10.upstream/1.18.10upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'test/codegen/issue33580.go')
-rw-r--r--test/codegen/issue33580.go25
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
+}