[patch] h8300 port: Add a pattern to be used with a combine.

[Kazu Hirata]

Hi,

Attached is a patch to add a pattern to be used with a combine.
Testing with newlib shows several occurrences of this pattern.

Tested and committed.

Kazu Hirata

2002-05-22  Kazu Hirata  <kazu@cs.umass.edu>

	* config/h8300/h8300.md (*andorqi3): New.

Index: h8300.md
===================================================================
RCS file: /cvs/gcc/gcc/gcc/config/h8300/h8300.md,v
retrieving revision 1.83
diff -u -r1.83 h8300.md
--- h8300.md	2 Mar 2002 17:20:01 -0000	1.83
+++ h8300.md	21 May 2002 19:06:35 -0000
@@ -1033,6 +1033,20 @@
   ""
   "")
 
+(define_insn "*andorqi3"
+  [(set (match_operand:QI 0 "register_operand" "=r")
+	(ior:QI (and:QI (match_operand:QI 2 "register_operand" "r")
+			(match_operand:QI 3 "const_int_operand" "n"))
+		(match_operand:QI 1 "register_operand" "0")))]
+  "exact_log2 (INTVAL (operands[3]) & 0xff) != -1"
+  "*
+{
+  operands[3] = GEN_INT (INTVAL (operands[3]) & 0xff);
+  return \"bld\\t%V3,%X2\;bst\\t%V3,%X0\";
+}"
+  [(set_attr "length" "4")
+   (set_attr "cc" "clobber")])
+
 (define_insn "*andorhi3"
   [(set (match_operand:HI 0 "register_operand" "=r")
 	(ior:HI (and:HI (match_operand:HI 2 "register_operand" "r")