From: Evan Cheng <evan.cheng@apple.com>
Date: Mon, 10 Sep 2007 22:16:37 +0000 (+0000)
Subject: New entry.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=f618e7c2a1241de9536f0d1f6fd6efc5fb853af1;p=oota-llvm.git

New entry.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41810 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/X86/README.txt b/lib/Target/X86/README.txt
index 1f532271362..40cbd864354 100644
--- a/lib/Target/X86/README.txt
+++ b/lib/Target/X86/README.txt
@@ -1205,3 +1205,6 @@ __Z11no_overflowjj:
 
 
 //===---------------------------------------------------------------------===//
+
+Re-materialize MOV32r0 etc. with xor instead of changing them to moves if the
+condition register is dead. xor reg reg is shorter than mov reg, #0.