2 files changed, 24 insertions, 0 deletions
diff --git a/test/codegen/README b/test/codegen/README
index 19a73d031c..33b9fbc49c 100644
--- a/test/codegen/README
+++ b/test/codegen/README
@@ -98,6 +98,13 @@ For example:
 verifies that NO memmove call is present in the assembly generated for
 the copy() line.
 
+The expected number of matches for the regexp can be specified using a
+positive number:
+
+  func fb(a [4]int) (r [4]int) {
+  	   // amd64:2`MOVUPS[^,]+, X0$`,2`MOVUPS\sX0,[^\n]+$`
+  	   return a
+  }
 
 - Architecture specifiers
 
diff --git a/test/codegen/issue74788.go b/test/codegen/issue74788.go
new file mode 100644
index 0000000000..d04a89b42e
--- /dev/null
+++ b/test/codegen/issue74788.go
@@ -0,0 +1,17 @@
+// asmcheck
+
+// Copyright 2025 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 fa(a [2]int) (r [2]int) {
+	// amd64:1`MOVUPS[^,]+, X0$`,1`MOVUPS\sX0,[^\n]+$`
+	return a
+}
+
+func fb(a [4]int) (r [4]int) {
+	// amd64:2`MOVUPS[^,]+, X0$`,2`MOVUPS\sX0,[^\n]+$`
+	return a
+}