diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 0adc930380a..a8dce3e7c9c 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2013-09-04  Sandeep Kumar Singh<Sandeep.Singh2@kpitcummins.com>
+
+	* config/rx/rx.h: Add option -mcpu for target variants RX100 and RX200.
+
 2013-09-03  Jeff Law  <law@redhat.com>
 
 	* tree-ssa-threadedge.c (thread_across_edge): Record entire path
diff --git a/gcc/config/rx/rx.h b/gcc/config/rx/rx.h
index 72aee2fe214..ec2770be161 100644
--- a/gcc/config/rx/rx.h
+++ b/gcc/config/rx/rx.h
@@ -99,6 +99,7 @@
 %{mpid} \
 %{mint-register=*} \
 %{mgcc-abi:-mgcc-abi} %{!mgcc-abi:-mrx-abi} \
+%{mcpu=*} \
 "
 
 #undef  LIB_SPEC