* config/h8300/h8300.md (*twoshifts_l16_r1): New.

From-SVN: r60933

gcc/ChangeLog

+2003-01-06  Kazu Hirata  <kazu@cs.umass.edu>
+
+	* config/h8300/h8300.md (*twoshifts_l16_r1): New.
+
 2003-01-06  Richard Sandiford  <rsandifo@redhat.com>
 
 	* config/mips/mips.md (leadi): Use dla rather than la.

gcc/config/h8300/h8300.md

@@ -2576,6 +2576,28 @@
 	      (clobber (scratch:QI))])]
   "")
 
+;; and:SI
+
+;; ((SImode) HImode) << 15
+
+(define_insn_and_split "*twoshifts_l16_r1"
+  [(set (match_operand:SI 0 "register_operand" "=r")
+	(and:SI (ashift:SI (match_operand:SI 1 "register_operand" "0")
+			   (const_int 15))
+		(const_int 2147450880)))]
+  "(TARGET_H8300H || TARGET_H8300S)"
+  "#"
+  "&& reload_completed"
+  [(parallel [(set (match_dup 0)
+		   (ashift:SI (match_dup 0)
+			      (const_int 16)))
+	      (clobber (scratch:QI))])
+   (parallel [(set (match_dup 0)
+		   (lshiftrt:SI (match_dup 0)
+				(const_int 1)))
+	      (clobber (scratch:QI))])]
+  "")
+
 ;; plus:SI
 
 (define_insn "*addsi3_lshiftrt_16_zexthi"