Add a GR32_NOREX_NOSP register class and fix a bug where getMatchingSuperRegClass()

[oota-llvm.git] / lib / Target / ARM / README-Thumb2.txt

diff --git a/lib/Target/ARM/README-Thumb2.txt b/lib/Target/ARM/README-Thumb2.txt
index 675b1d97250bdaebd968c3354218be1771c86a23..e7c2552d9e4c7526ae86173431f981b8e2381009 100644 (file)
--- a/lib/Target/ARM/README-Thumb2.txt
+++ b/lib/Target/ARM/README-Thumb2.txt
@@ -2,10 +2,5 @@
 // Random ideas for the ARM backend (Thumb2 specific).
 //===---------------------------------------------------------------------===//
 
-* We should model IT instructions explicitly. We should introduce them (even if
-  if-converter is not run, the function could still contain movcc's) before
-  PEI since passes starting from PEI may require exact code size.
-
-//===---------------------------------------------------------------------===//
-
-Make use of TBB and TBH for jumptables in small functions.
+Make sure jumptable destinations are below the jumptable in order to make use
+of tbb / tbh.