[llvm-commits] [llvm] r95445 - /llvm/trunk/lib/Target/X86/X86MCCodeEmitter.cpp

[Chris Lattner]

Author: lattner
Date: Fri Feb  5 16:48:33 2010
New Revision: 95445

URL: http://llvm.org/viewvc/llvm-project?rev=95445&view=rev
Log:
add note.

Modified:
    llvm/trunk/lib/Target/X86/X86MCCodeEmitter.cpp

Modified: llvm/trunk/lib/Target/X86/X86MCCodeEmitter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86MCCodeEmitter.cpp?rev=95445&r1=95444&r2=95445&view=diff

==============================================================================
--- llvm/trunk/lib/Target/X86/X86MCCodeEmitter.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86MCCodeEmitter.cpp Fri Feb  5 16:48:33 2010
@@ -293,6 +293,8 @@
     if (!MO.isReg()) continue;
     unsigned Reg = MO.getReg();
     if (!X86InstrInfo::isX86_64NonExtLowByteReg(Reg)) continue;
+    // FIXME: The caller of DetermineREXPrefix slaps this prefix onto anything
+    // that returns non-zero.
     REX |= 0x40;
     break;
   }