From 5ff9d6a469fbbd3861ea49e241b0ccd09aedd62b Mon Sep 17 00:00:00 2001
From: bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Mon, 4 Feb 2008 00:37:54 +0000
Subject: fixed sign extensions - added explicit side effect op flag - added
 discard instruction

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3963 c046a42c-6fe2-441c-8c8c-71466251a162
---
 tcg/README | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'tcg/README')

diff --git a/tcg/README b/tcg/README
index 466e330368..fd72cad357 100644
--- a/tcg/README
+++ b/tcg/README
@@ -280,6 +280,11 @@ to zero.
 
 64 bit byte swap
 
+* discard_i32/i64 t0
+
+Indicate that the value of t0 won't be used later. It is useful to
+force dead code elimination.
+
 ********* Type conversions
 
 * ext_i32_i64 t0, t1
-- 
cgit v1.2.1