Evan Cheng 3fc2372d3a - Fix a x86 vector isel bug: illegal transformation of a vector_shuffle into a
shift.
- Add a readme entry for a missing vector_shuffle optimization that results in
  awful codegen.

llvm-svn: 52740
2008-06-25 20:52:59 +00:00
..
2008-06-21 19:34:57 +00:00