commit 842f58f9be82e1a0d2751e7982ef3641829acf87
author Craig Topper <craig.topper@gmail.com> Sun Sep 11 20:23:20 2011 +0000
committer Craig Topper <craig.topper@gmail.com> Sun Sep 11 20:23:20 2011 +0000
tree b3aa02188d472094eb217e0919796311f773e0b8
parent e4481d8ce5aa333b0dc43f307bc8fb47c694e3e2

Fix disassembling of PAUSE instruction. Fixes PR10900. Also fixed NOP disassembling to ignore OpSize and REX.W.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139484 91177308-0d34-0410-b5e6-96231b3b80d8

utils/TableGen/X86RecognizableInstr.cpp

diff --git a/utils/TableGen/X86RecognizableInstr.cpp b/utils/TableGen/X86RecognizableInstr.cpp
index 5f8fe6e..f43a939 100644
--- a/utils/TableGen/X86RecognizableInstr.cpp
+++ b/utils/TableGen/X86RecognizableInstr.cpp
@@ -325,7 +325,7 @@
       insnContext = IC_OPSIZE;
     else if (Prefix == X86Local::XD)
       insnContext = IC_XD;
-    else if (Prefix == X86Local::XS)
+    else if (Prefix == X86Local::XS || Prefix == X86Local::REP)
       insnContext = IC_XS;
     else
       insnContext = IC;
@@ -882,6 +882,7 @@
     }
     opcodeToSet = 0xd8 + (Prefix - X86Local::D8);
     break;
+  case X86Local::REP:
   default:
     opcodeType = ONEBYTE;
     switch (Opcode) {