commit 7f6968ed0a78353bee57ae85cb0cf0492354c3ea
author Asaf Badouh <asaf.badouh@intel.com> Thu Dec 01 15:19:10 2016 +0000
committer Asaf Badouh <asaf.badouh@intel.com> Thu Dec 01 15:19:10 2016 +0000
tree 4dd4392fc2a91be53b83560daced891ba2cb7993
parent 2cff28dd273bc1bab830b2b1c1af2ce2e2da3ed3

[LMT] Restrict nop length to one
not all lakemont MCU support long nop.
we can't assume we can generate long nop by default for MCU.

Differential Revision: https://reviews.llvm.org/D26895

llvm-svn: 288363

llvm/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp

diff --git a/llvm/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp b/llvm/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp
index 1bde4bc..e83ec9f 100644
--- a/llvm/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp
+++ b/llvm/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp
@@ -76,12 +76,12 @@
 public:
   X86AsmBackend(const Target &T, StringRef CPU)
       : MCAsmBackend(), CPU(CPU),
-        MaxNopLength((CPU == "slm" || CPU == "lakemont") ? 7 : 15) {
+        MaxNopLength((CPU == "slm") ? 7 : 15) {
     HasNopl = CPU != "generic" && CPU != "i386" && CPU != "i486" &&
               CPU != "i586" && CPU != "pentium" && CPU != "pentium-mmx" &&
               CPU != "i686" && CPU != "k6" && CPU != "k6-2" && CPU != "k6-3" &&
               CPU != "geode" && CPU != "winchip-c6" && CPU != "winchip2" &&
-              CPU != "c3" && CPU != "c3-2";
+              CPU != "c3" && CPU != "c3-2" && CPU != "lakemont";
   }
 
   unsigned getNumFixupKinds() const override {