diff --git a/src/cmd/internal/obj/loong64/cnames.go b/src/cmd/internal/obj/loong64/cnames.go
index f3970777bb..00f6136603 100644
--- a/src/cmd/internal/obj/loong64/cnames.go
+++ b/src/cmd/internal/obj/loong64/cnames.go
@@ -4,11 +4,11 @@
 
 package loong64
 
+// This order should be strictly consistent to that in a.out.go.
 var cnames0 = []string{
 	"NONE",
 	"REG",
 	"FREG",
-	"FCREG",
 	"FCSRREG",
 	"FCCREG",
 	"ZCON",