sh.md (ashlhi3): Rename to *ashlhi3_n and add a new ashlhi3 expander.

	* config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
	ashlhi3 expander.

From-SVN: r96905

gcc/ChangeLog

+2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
+
+	* config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
+	ashlhi3 expander.
+
 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
 
 	* tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.

gcc/config/sh/sh.md

@@ -2293,7 +2293,7 @@
     FAIL;
 }")
 
-(define_insn "ashlhi3"
+(define_insn "*ashlhi3_n"
   [(set (match_operand:HI 0 "arith_reg_operand" "=r")
 	(ashift:HI (match_operand:HI 1 "arith_reg_operand" "0")
 		   (match_operand:HI 2 "const_int_operand" "n")))
@@ -2308,6 +2308,22 @@
 	      (const_string "6")))
    (set_attr "type" "arith")])
 
+(define_expand "ashlhi3"
+  [(parallel [(set (match_operand:HI 0 "arith_reg_operand" "")
+		   (ashift:HI (match_operand:HI 1 "arith_reg_operand" "")
+			      (match_operand:SI 2 "nonmemory_operand" "")))
+	      (clobber (reg:SI T_REG))])]
+  "TARGET_SH1"
+  "
+{
+  if (GET_CODE (operands[2]) != CONST_INT)
+    FAIL;
+  /* It may be possible to call gen_ashlhi3 directly with more generic
+     operands.  Make sure operands[1] is a HImode register here.  */
+  if (!arith_reg_operand (operands[1], HImode))
+    operands[1] = copy_to_mode_reg (HImode, operands[1]);
+}")
+
 (define_split
   [(set (match_operand:HI 0 "arith_reg_operand" "")
 	(ashift:HI (match_operand:HI 1 "arith_reg_operand" "")