h8300.md (*insv_si_8_8): New.

	* config/h8300/h8300.md (*insv_si_8_8): New.
	(*insv_si_8_8_lshiftrt_8): Likewise.
	(a peephole2): Likewise.

From-SVN: r65018

gcc/ChangeLog

+2003-03-29  Kazu Hirata  <kazu@cs.umass.edu>
+
+	* config/h8300/h8300.md (*insv_si_8_8): New.
+	(*insv_si_8_8_lshiftrt_8): Likewise.
+	(a peephole2): Likewise.
+
 2003-03-29  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
 
 	* doc/contrib.texi: Add Eric Botcazou and Roger Sayle.

gcc/config/h8300/h8300.md

@@ -2681,6 +2681,27 @@
   [(set_attr "cc" "clobber")
    (set_attr "length" "6")])
 
+(define_insn "*insv_si_8_8"
+  [(set (zero_extract:SI (match_operand:SI 0 "register_operand" "+r")
+			 (const_int 8)
+			 (const_int 8))
+	(match_operand:SI 1 "register_operand" "r"))]
+  "TARGET_H8300H || TARGET_H8300S"
+  "mov.b\\t%w1,%x0"
+  [(set_attr "cc" "clobber")
+   (set_attr "length" "2")])
+
+(define_insn "*insv_si_8_8_lshiftrt_8"
+  [(set (zero_extract:SI (match_operand:SI 0 "register_operand" "+r")
+			 (const_int 8)
+			 (const_int 8))
+	(lshiftrt:SI (match_operand:SI 1 "register_operand" "r")
+		     (const_int 8)))]
+  "TARGET_H8300H || TARGET_H8300S"
+  "mov.b\\t%x1,%x0"
+  [(set_attr "cc" "clobber")
+   (set_attr "length" "2")])
+
 ;; extzv:SI
 
 (define_insn "*extzv_8_8"
@@ -3846,6 +3867,23 @@
 
 (define_peephole2
   [(set (match_operand:SI 0 "register_operand" "")
+	(match_operand:SI 1 "register_operand" ""))
+   (set (match_dup 0)
+	(and:SI (match_dup 0)
+		(const_int 65280)))]
+  "(TARGET_H8300H || TARGET_H8300S)
+   && !reg_overlap_mentioned_p (operands[0], operands[1])"
+  [(set (match_dup 0)
+	(const_int 0))
+   (set (zero_extract:SI (match_dup 0)
+			 (const_int 8)
+			 (const_int 8))
+	(lshiftrt:SI (match_dup 1)
+		     (const_int 8)))]
+  "")
+
+(define_peephole2
+  [(set (match_operand:SI 0 "register_operand" "")
 	(match_operand:SI 1 "memory_operand" ""))
    (set (match_dup 0)
 	(and:SI (match_dup 0)