Add a note about Robert Muth's alternate jump table implementation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85624 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/ARM/README.txt b/lib/Target/ARM/README.txt
index 8fb1da30088f92fb23c972b976abf7c08d491a4a..b35fdea33fa5b230b174551caa0fb4f112ba017e 100644 (file)
--- a/lib/Target/ARM/README.txt
+++ b/lib/Target/ARM/README.txt
@@ -600,3 +600,12 @@ into the operation.
 
 It might be profitable to cse MOVi16 if there are lots of 32-bit immediates
 with the same bottom half.
+
+//===---------------------------------------------------------------------===//
+
+Robert Muth started working on an alternate jump table implementation that
+does not put the tables in-line in the text.  This is more like the llvm
+default jump table implementation.  This might be useful sometime.  Several
+revisions of patches are on the mailing list, beginning at:
+http://lists.cs.uiuc.edu/pipermail/llvmdev/2009-June/022763.html
+