From 802dd95ab279c3d9b56d5beae6519b1cfd16f325 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn=20Gustavsson?= <bjorn@erlang.org>
Date: Mon, 13 Jun 2011 14:23:09 +0200
Subject: Remove optimization of 'move R R'

Ancient versions of BEAM compiler could generate move instruction with
the same source and destination registers, so the loader would optimize
away such instructions.
---
 erts/emulator/beam/ops.tab | 2 --
 1 file changed, 2 deletions(-)

(limited to 'erts/emulator/beam/ops.tab')

diff --git a/erts/emulator/beam/ops.tab b/erts/emulator/beam/ops.tab
index 538f0b94af..1dba2128f4 100644
--- a/erts/emulator/beam/ops.tab
+++ b/erts/emulator/beam/ops.tab
@@ -310,8 +310,6 @@ raise s s
 badarg j
 system_limit j
 
-move R R =>
-
 move C=cxy r | jump Lbl => move_jump Lbl C
 
 %macro: move_jump MoveJump -nonext
-- 
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