From: Chris Lattner <sabre@nondot.org>
Date: Tue, 13 Feb 2007 21:44:43 +0000 (+0000)
Subject: add a note
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=36e37d29441c3f7b51259690e7aa5bc20834445e;p=oota-llvm.git

add a note


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34249 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/README.txt b/lib/Target/README.txt
index 2f6ecfacd12..8cead8e3f03 100644
--- a/lib/Target/README.txt
+++ b/lib/Target/README.txt
@@ -415,3 +415,7 @@ when it is declared U32.
 
 //===---------------------------------------------------------------------===//
 
+Promote for i32 bswap can use i64 bswap + shr.  Useful on targets with 64-bit
+regs and bswap, like itanium.
+
+//===---------------------------------------------------------------------===//