1 files changed, 20 insertions, 0 deletions
diff --git a/test/codegen/issue70409.go b/test/codegen/issue70409.go
new file mode 100644
index 0000000000..bfb4560582
--- /dev/null
+++ b/test/codegen/issue70409.go
@@ -0,0 +1,20 @@
+// asmcheck -gcflags=-d=ssa/check/on
+
+// Copyright 2024 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 codegen
+
+// amd64:-"MOVQ"
+func foo(v uint64) (b [8]byte) {
+	b[0] = byte(v)
+	b[1] = byte(v >> 8)
+	b[2] = byte(v >> 16)
+	b[3] = byte(v >> 24)
+	b[4] = byte(v >> 32)
+	b[5] = byte(v >> 40)
+	b[6] = byte(v >> 48)
+	b[7] = byte(v >> 56)
+	return b
+}