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-rw-r--r--gcc/config/rx/constraints.md2
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/config/rx/constraints.md b/gcc/config/rx/constraints.md
index f15b586afb5..52bf7df3621 100644
--- a/gcc/config/rx/constraints.md
+++ b/gcc/config/rx/constraints.md
@@ -55,7 +55,7 @@
;; This constraint is used by the SUBSI3 pattern because the
;; RX SUB instruction can only take a 4-bit unsigned integer
-;; value.
+;; value. Also used by the MVTIPL instruction.
(define_constraint "Uint04"
"@internal An unsigned 4-bit immediate value"
(and (match_code "const_int")