Implement floating point constants

llvm-svn: 30704
diff --git a/llvm/lib/Target/ARM/README.txt b/llvm/lib/Target/ARM/README.txt
index 736d776..ae94b8f 100644
--- a/llvm/lib/Target/ARM/README.txt
+++ b/llvm/lib/Target/ARM/README.txt
@@ -28,3 +28,7 @@
 add r0, r1, r0
 
 ----------------------------------------------------------
+
+add an offset to FLDS addressing mode
+
+----------------------------------------------------------