--- gcc-3.4.6/gcc/rtl.h	2013-05-19 20:22:04.000000000 +0200
+++ gcc/rtl.h	2013-05-19 20:23:32.000000000 +0200
@@ -587,7 +587,7 @@
 		   JUMP_INSN, INSN_LIST, BARRIER, CODE_LABEL, CONST,	\
 		   NOTE)->integrated)
 #define RTX_UNCHANGING_P(RTX)						\
-  (RTL_FLAG_CHECK3("RTX_UNCHANGING_P", (RTX), REG, MEM, CONCAT)->unchanging)
+  (RTL_FLAG_CHECK4("RTX_UNCHANGING_P", (RTX), REG, MEM, CONCAT, PLUS)->unchanging)
 #define RTX_FRAME_RELATED_P(RTX)					\
   (RTL_FLAG_CHECK5("RTX_FRAME_RELATED_P", (RTX), INSN, CALL_INSN,	\
 		   JUMP_INSN, BARRIER, SET)->frame_related)