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/X86DisassemblerTables.cpp

diff --git a/utils/TableGen/X86DisassemblerTables.cpp b/utils/TableGen/X86DisassemblerTables.cpp
index e0cbb18..aed2727 100644
--- a/utils/TableGen/X86DisassemblerTables.cpp
+++ b/utils/TableGen/X86DisassemblerTables.cpp
@@ -613,8 +613,10 @@
         if(newInfo.filtered)
           continue; // filtered instructions get lowest priority
         
-        if(previousInfo.name == "NOOP")
-          continue; // special case for XCHG32ar and NOOP
+        if(previousInfo.name == "NOOP" && (newInfo.name == "XCHG16ar" ||
+                                           newInfo.name == "XCHG32ar" ||
+                                           newInfo.name == "XCHG64ar"))
+          continue; // special case for XCHG*ar and NOOP
 
         if (outranks(previousInfo.insnContext, newInfo.insnContext))
           continue;