From 3fe9730645df15f18689be26b842c06f60e40fae Mon Sep 17 00:00:00 2001
From: cinap_lenrek <cinap_lenrek@felloff.net>
Date: Thu, 25 Apr 2019 19:44:16 +0200
Subject: 7c: don't emit SXTW for non-register source operand

---
 sys/src/cmd/7c/txt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/src/cmd/7c/txt.c b/sys/src/cmd/7c/txt.c
index 96a9eaf86..8aa7d1630 100644
--- a/sys/src/cmd/7c/txt.c
+++ b/sys/src/cmd/7c/txt.c
@@ -764,7 +764,7 @@ gmove(Node *f, Node *t)
 			if(typeu[ft])
 				a = AMOVWU;
 			else
-				a = ASXTW;
+				a = (f->op == OREGISTER) ? ASXTW : AMOVW;
 			break;
 		}
 		break;
-- 
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