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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-16 19:25:22 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-16 19:25:22 +0000
commitf6ad4dcef54c5ce997a4bad5a6d86de229015700 (patch)
tree7cfa4e31ace5c2bd95c72b154d15af494b2bcbef /test/codegen/issue33580.go
parentInitial commit. (diff)
downloadgolang-1.22-f6ad4dcef54c5ce997a4bad5a6d86de229015700.tar.xz
golang-1.22-f6ad4dcef54c5ce997a4bad5a6d86de229015700.zip
Adding upstream version 1.22.1.upstream/1.22.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-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
+}