From 775a0332d62618e47c83abc85a5494f95a838b6d Mon Sep 17 00:00:00 2001
From: Ove Kaaven <ovek@arcticnet.no>
Date: Sat, 15 Jan 2000 22:05:49 +0000
Subject: [PATCH] Fixed bad register constraint in InterlockedCompareExchange.

---
 win32/thread.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/win32/thread.c b/win32/thread.c
index 13675972535..1fd6d50200d 100644
--- a/win32/thread.c
+++ b/win32/thread.c
@@ -151,7 +151,7 @@ PVOID WINAPI InterlockedCompareExchange(
 	__asm__ ( /* lock for SMP systems */
                   "lock\n\t"
                   "cmpxchgl %2,(%1)"
-                  :"=r" (ret)
+                  :"=a" (ret)
                   :"r" (Destination),"r" (Exchange), "0" (Comperand)
                   :"memory" );
 	return ret;