From: Chris Lattner <sabre@nondot.org>
Date: Fri, 14 Jul 2006 04:07:29 +0000 (+0000)
Subject: Add a note
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=1eeedaea59c7d6d9f231989c81013c2c0ea10d2a;p=oota-llvm.git

Add a note


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29139 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/PowerPC/README.txt b/lib/Target/PowerPC/README.txt
index ffe979c603d..2c99e02e4e2 100644
--- a/lib/Target/PowerPC/README.txt
+++ b/lib/Target/PowerPC/README.txt
@@ -530,3 +530,12 @@ _foo:
         or r2, r2, r4
         stw r2, 0(r3)
         blr
+
+===-------------------------------------------------------------------------===
+
+On PPC64, this results in a truncate followed by a truncstore.  These should
+be folded together.
+
+unsigned short G;
+void foo(unsigned long H) { G = H; }
+