diff --git a/gcc/config/arm/thumb2.md b/gcc/config/arm/thumb2.md
index 4f9faac..2c91542 100644
--- a/gcc/config/arm/thumb2.md
+++ b/gcc/config/arm/thumb2.md
@@ -1305,7 +1305,7 @@
   "
   [(set_attr "conds" "set")
    (set_attr "length" "2,4")
-   (set (attr "type") (if_then_else (match_operand 2 "const_int_operand" "")
+   (set (attr "type") (if_then_else (match_operand 1 "const_int_operand" "")
                                     (const_string "alus_imm")
                                     (const_string "alus_sreg")))]
 )
diff --git a/gcc/testsuite/gcc.target/arm/pr65924.c b/gcc/testsuite/gcc.target/arm/pr65924.c
new file mode 100644
index 0000000..746749f
--- /dev/null
+++ b/gcc/testsuite/gcc.target/arm/pr65924.c
@@ -0,0 +1,8 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -mthumb" } */
+
+int a, b, c;
+int fn1() {
+  if (b + a < 0)
+    c = 0;
+}