From 78b47875932a7d291edbc1142b496955bceb4ad9 Mon Sep 17 00:00:00 2001
From: Craig Topper <craig.topper@gmail.com>
Date: Wed, 8 Feb 2017 06:48:58 +0000
Subject: [X86] Add -mclflushopt/-mno-clflushopt command line support and
 __CLFLUSHOPT__ define to match gcc.

llvm-svn: 294411
---
 clang/lib/Basic/Targets.cpp | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'clang/lib/Basic/Targets.cpp')

diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp
index 851d3f606c4..c0473a53762 100644
--- a/clang/lib/Basic/Targets.cpp
+++ b/clang/lib/Basic/Targets.cpp
@@ -3881,6 +3881,8 @@ void X86TargetInfo::getTargetDefines(const LangOptions &Opts,
     Builder.defineMacro("__PKU__");
   if (HasCX16)
     Builder.defineMacro("__GCC_HAVE_SYNC_COMPARE_AND_SWAP_16");
+  if (HasCLFLUSHOPT)
+    Builder.defineMacro("__CLFLUSHOPT__");
 
   // Each case falls through to the previous one here.
   switch (SSELevel) {
-- 
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