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[patch] h8300.md: Add a new pattern.
- From: Kazu Hirata <kazu at cs dot umass dot edu>
- To: gcc-patches at gcc dot gnu dot org
- Date: Fri, 27 Dec 2002 23:15:29 -0500 (EST)
- Subject: [patch] h8300.md: Add a new pattern.
Hi,
Attached is a patch to add a new pattern.
The pattern is triggered by (A >> 8) | B, where A and B are both
unsigned short.
Tested on h8300 port. Committed.
Kazu Hirata
2002-12-27 Kazu Hirata <kazu@cs.umass.edu>
* config/h8300/h8300.md (*iorhi_shift_8): Change the name to
*iorhi_ashift_8.
(*iorhi_lshiftrt_8): New.
Index: h8300.md
===================================================================
RCS file: /cvs/gcc/gcc/gcc/config/h8300/h8300.md,v
retrieving revision 1.133
diff -u -r1.133 h8300.md
--- h8300.md 25 Dec 2002 14:54:50 -0000 1.133
+++ h8300.md 28 Dec 2002 04:09:53 -0000
@@ -2407,13 +2407,23 @@
[(set_attr "cc" "clobber")
(set_attr "length" "2")])
-(define_insn "*iorhi_shift_8"
+(define_insn "*iorhi_ashift_8"
[(set (match_operand:HI 0 "register_operand" "=r")
(ior:HI (ashift:HI (match_operand:HI 1 "register_operand" "r")
(const_int 8))
(match_operand:HI 2 "register_operand" "0")))]
""
"or.b\\t%s1,%t0"
+ [(set_attr "cc" "clobber")
+ (set_attr "length" "2")])
+
+(define_insn "*iorhi_lshiftrt_8"
+ [(set (match_operand:HI 0 "register_operand" "=r")
+ (ior:HI (lshiftrt:HI (match_operand:HI 1 "register_operand" "r")
+ (const_int 8))
+ (match_operand:HI 2 "register_operand" "0")))]
+ ""
+ "or.b\t%t1,%s0"
[(set_attr "cc" "clobber")
(set_attr "length" "2")])