From bcc2e45840941752ae54cf91c0abb013fbc19178 Mon Sep 17 00:00:00 2001
From: Oscar Fuentes <ofv@wanadoo.es>
Date: Mon, 7 Dec 2009 05:29:59 +0000
Subject: Fixes the Atomic implementation if compiled by MSVC compiler.

sys::cas_flag should be long on this platform, InterlockedAdd() is
defined only for the Itanium architecture (according to MSDN).

Patch by Michael Beck!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90748 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/System/Atomic.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'include')

diff --git a/include/llvm/System/Atomic.h b/include/llvm/System/Atomic.h
index 0c05d696e3..fc19369d11 100644
--- a/include/llvm/System/Atomic.h
+++ b/include/llvm/System/Atomic.h
@@ -20,7 +20,11 @@ namespace llvm {
   namespace sys {
     void MemoryFence();
 
+#ifdef _MSC_VER
+    typedef long cas_flag;
+#else
     typedef uint32_t cas_flag;
+#endif
     cas_flag CompareAndSwap(volatile cas_flag* ptr,
                             cas_flag new_value,
                             cas_flag old_value);
-- 
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