[PATCH] Add ARM .movsp unwind directive.

[João Matos]

================
Comment at: lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp:563
@@ +562,3 @@
+         "$sp and $pc not permitted in .movsp directive");
+  assert(FPReg == ARM::SP && "unexcpected .movsp directive");
+
----------------
Spelling.


http://llvm-reviews.chandlerc.com/D1953