# HG changeset patch
# User Michael Pavone <pavone@retrodev.com>
# Date 1406525677 25200
# Node ID 76570158a6e94af8cf593610f4148503a1417a50
# Parent  9cc019c98335203354d103d1ecf499522206bb96
Small optimization, avoid redundant MOV instructions

diff -r 9cc019c98335 -r 76570158a6e9 code/gqc.tp
--- a/code/gqc.tp	Sun Jul 27 22:18:12 2014 -0700
+++ b/code/gqc.tp	Sun Jul 27 22:34:37 2014 -0700
@@ -194,10 +194,12 @@
 			compileExpr: (expr assign) syms: syms
 		}
 		dest <- info def
-		prog add: (inst: "MOV" #[
-			dest
-			v
-		])
+		if: dest != v {
+			prog add: (inst: "MOV" #[
+				dest
+				v
+			])
+		}
 		dest
 	}