From 72f3756e0705fe039b9005a857c23739f6944521 Mon Sep 17 00:00:00 2001
From: Corinna Vinschen <corinna@vinschen.de>
Date: Fri, 30 Apr 2004 13:27:27 +0000
Subject: 	* init.cc (threadfunc_fe): Hack to make thread stacks always
 16 	byte aligned.

---
 winsup/cygwin/init.cc | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'winsup/cygwin/init.cc')

diff --git a/winsup/cygwin/init.cc b/winsup/cygwin/init.cc
index af8c0ea39..9ba585ecb 100644
--- a/winsup/cygwin/init.cc
+++ b/winsup/cygwin/init.cc
@@ -27,6 +27,8 @@ HANDLE sync_startup;
 static void WINAPI
 threadfunc_fe (VOID *arg)
 {
+  (void)__builtin_return_address(1);
+  asm volatile ("andl $-16,%%esp" ::: "%esp");
   _cygtls::call ((DWORD (*)  (void *, void *)) (((char **) _tlsbase)[OLDFUNC_OFFSET]), arg);
 }
 
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