From 6f41623f030d340b9f852937e9b445feec5d40e6 Mon Sep 17 00:00:00 2001
From: Kazu Hirata <kazu@hxi.com>
Date: Thu, 30 Aug 2001 17:17:17 +0000
Subject: h8300.md (zero_extendqihi2): Changes to define_expand to accomodate
 target-specific attributes.

	* config/h8300/h8300.md (zero_extendqihi2): Changes to
	define_expand to accomodate target-specific attributes.
	(anonymous zero_extendqihi2 patterns): New.

From-SVN: r45290
---
 gcc/config/h8300/h8300.md | 20 ++++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

(limited to 'gcc/config/h8300/h8300.md')

diff --git a/gcc/config/h8300/h8300.md b/gcc/config/h8300/h8300.md
index 8fb3271..eb7dc77 100644
--- a/gcc/config/h8300/h8300.md
+++ b/gcc/config/h8300/h8300.md
@@ -1604,16 +1604,32 @@
 ;; EXTEND INSTRUCTIONS
 ;; ----------------------------------------------------------------------
 
-(define_insn "zero_extendqihi2"
+(define_expand "zero_extendqihi2"
+  [(set (match_operand:HI 0 "register_operand" "")
+	(zero_extend:HI (match_operand:QI 1 "general_operand_src" "")))]
+  ""
+  "")
+
+(define_insn ""
   [(set (match_operand:HI 0 "register_operand" "=r,r")
 	(zero_extend:HI (match_operand:QI 1 "general_operand_src" "0,g>")))]
-  ""
+  "TARGET_H8300"
   "@
   mov.b	#0,%t0
   mov.b	%R1,%s0\;mov.b	#0,%t0"
   [(set_attr "length" "2,10")
    (set_attr "cc" "clobber,clobber")])
 
+(define_insn ""
+  [(set (match_operand:HI 0 "register_operand" "=r,r")
+	(zero_extend:HI (match_operand:QI 1 "general_operand_src" "0,g>")))]
+  "TARGET_H8300H || TARGET_H8300S"
+  "@
+  extu.w	%T0
+  mov.b	%R1,%s0\;extu.w	%T0"
+  [(set_attr "length" "2,10")
+   (set_attr "cc" "set_znv,set_znv")])
+
 ;; The compiler can synthesize a 300H variant of this which is
 ;; just as efficient as one that we'd create
 (define_insn "zero_extendqisi2"
-- 
cgit v1.1