From 619a818dde23dfc6361a2edce9fe0b18aa249d40 Mon Sep 17 00:00:00 2001
From: Tristan Gingold <tgingold@free.fr>
Date: Sun, 6 Nov 2016 20:31:28 +0100
Subject: win32.c: install SEH handler only on i386

---
 src/grt/config/win32.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

(limited to 'src/grt/config')

diff --git a/src/grt/config/win32.c b/src/grt/config/win32.c
index c473b246c..677943c4a 100644
--- a/src/grt/config/win32.c
+++ b/src/grt/config/win32.c
@@ -164,18 +164,22 @@ int
 __ghdl_run_through_longjump (int (*func)(void))
 {
   int res;
+
+#ifdef __i386__
+  /* Install an SEH handler.  */
   struct exception_registration er;
   struct exception_registration *prev;
 
   /* Get current handler.  */
-  asm ("mov %%fs:(0),%0" : "=r" (prev));
+  asm volatile ("mov %%fs:(0),%0" : "=r" (prev));
 
   /* Build regisration.  */
   er.prev = prev;
   er.handler = ghdl_SEH_handler;
 
   /* Register.  */
-  asm ("mov %0,%%fs:(0)" : : "r" (&er));
+  asm volatile ("mov %0,%%fs:(0)" : : "r" (&er));
+#endif
 
   run_env_en = 1;
   res = setjmp (run_env);
@@ -183,8 +187,10 @@ __ghdl_run_through_longjump (int (*func)(void))
     res = (*func)();
   run_env_en = 0;
 
+#ifdef __i386__
   /* Restore.  */
-  asm ("mov %0,%%fs:(0)" : : "r" (prev));
+  asm volatile ("mov %0,%%fs:(0)" : : "r" (prev));
+#endif
 
   return res;
 }
-- 
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