diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 3985860a60c5..55e15d3ea61c 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2003-03-21  Kazu Hirata  <kazu@cs.umass.edu>
+
+	* config/h8300/h8300.md (*insv_si_1_n_lshiftrt_16): New.
+
 2003-03-21  Dale Johannesen  <dalej@apple.com>
 
 	* config/rs6000/rs6000.h (REG_ALLOC_ORDER):  Increase
diff --git a/gcc/config/h8300/h8300.md b/gcc/config/h8300/h8300.md
index 417975405d1d..54994211a005 100644
--- a/gcc/config/h8300/h8300.md
+++ b/gcc/config/h8300/h8300.md
@@ -2669,6 +2669,18 @@
   [(set_attr "cc" "clobber")
    (set_attr "length" "4")])
 
+(define_insn "*insv_si_1_n_lshiftrt_16"
+  [(set (zero_extract:SI (match_operand:SI 0 "register_operand" "+r")
+			 (const_int 1)
+			 (match_operand:SI 1 "const_int_operand" "n"))
+	(lshiftrt:SI (match_operand:SI 2 "register_operand" "r")
+		     (const_int 16)))]
+  "(TARGET_H8300H || TARGET_H8300S)
+   && INTVAL (operands[1]) < 16"
+  "rotr.w\\t%e2\;rotl.w\\t%e2\;bst\\t%Z1,%Y0"
+  [(set_attr "cc" "clobber")
+   (set_attr "length" "6")])
+
 ;; extzv:SI
 
 (define_insn "*extzv_8_8"