Fix the x86 disassembler to at least print the lock prefix if it is the first

[oota-llvm.git] / utils / TableGen / X86RecognizableInstr.cpp

diff --git a/utils/TableGen/X86RecognizableInstr.cpp b/utils/TableGen/X86RecognizableInstr.cpp
index 5bf473d95e07109ed51dac02afaf38c4736cd55c..6bbc929d26dbec770126e49a66d73a2f3061595a 100644 (file)
--- a/utils/TableGen/X86RecognizableInstr.cpp
+++ b/utils/TableGen/X86RecognizableInstr.cpp
@@ -405,13 +405,13 @@ RecognizableInstr::filter_ret RecognizableInstr::filter() const {
     return FILTER_STRONG;
     
     
-  // Filter out artificial instructions
+  // Filter out artificial instructions but leave in the LOCK_PREFIX so it is
+  // printed as a separate "instruction".
     
   if (Name.find("_Int") != Name.npos       ||
       Name.find("Int_") != Name.npos       ||
       Name.find("_NOREX") != Name.npos     ||
-      Name.find("2SDL") != Name.npos       ||
-      Name == "LOCK_PREFIX")
+      Name.find("2SDL") != Name.npos)
     return FILTER_STRONG;
 
   // Filter out instructions with segment override prefixes.