From 1f253d6e97f6be21210d03b748c07954313605e3 Mon Sep 17 00:00:00 2001
From: Evan Cheng <evan.cheng@apple.com>
Date: Wed, 7 Feb 2007 08:37:57 +0000
Subject: [PATCH] Update

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33998 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/ARM/README-Thumb.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/Target/ARM/README-Thumb.txt b/lib/Target/ARM/README-Thumb.txt
index 6c2cb710ab3..af02417d125 100644
--- a/lib/Target/ARM/README-Thumb.txt
+++ b/lib/Target/ARM/README-Thumb.txt
@@ -141,3 +141,7 @@ cheaper sequnce if we know it's ok to clobber the condition register.
 add r2, sp, #255 * 4
 add r2, #132
 ldr r2, [r2, #7 * 4]
+
+This is especially bad when dynamic alloca is used. The all fixed size stack
+objects are referenced off the frame pointer with negative offsets. See
+oggenc for an example.