diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 9481c8942f45..5ed02311dacf 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,9 @@
 2010-11-16  Andreas Schwab  <schwab@linux-m68k.org>
 
+	PR rtl-optimization/46395
+	* postreload.c (reload_combine): Invalidate register use
+	information on all control flow insns.
+
 	* config/m68k/m68k.c (m68k_delegitimize_address): Also expect
 	LABEL_REF in UNSPEC operand.
 
diff --git a/gcc/postreload.c b/gcc/postreload.c
index 1fc9bfc50f62..4d3bae4f3200 100644
--- a/gcc/postreload.c
+++ b/gcc/postreload.c
@@ -1354,8 +1354,8 @@ reload_combine (void)
 	     }
 
 	}
-      else if (JUMP_P (insn)
-	       && GET_CODE (PATTERN (insn)) != RETURN)
+
+      if (control_flow_insn_p (insn) && GET_CODE (PATTERN (insn)) != RETURN)
 	{
 	  /* Non-spill registers might be used at the call destination in
 	     some unknown fashion, so we have to mark the unknown use.  */