go source for verification 2026-05-22

test/codegen/issue69635.go

@@ -0,0 +1,13 @@
+// asmcheck
+
+// 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
+
+func calc(a uint64) uint64 {
+	v := a >> 20 & 0x7f
+	// amd64: `SHRQ\s\$17, AX$`, `ANDL\s\$1016, AX$`
+	return v << 3
+}