[Spice-devel] [spice-protocol] Use gcc builtin rather than asm for memory barriers
Christophe Fergeau
cfergeau at redhat.com
Wed Jan 6 02:26:17 PST 2016
This should make things more portable.
https://bugs.freedesktop.org/show_bug.cgi?id=86997
---
spice/barrier.h | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)
diff --git a/spice/barrier.h b/spice/barrier.h
index 710da09..7d63721 100644
--- a/spice/barrier.h
+++ b/spice/barrier.h
@@ -34,12 +34,7 @@
#ifdef __GNUC__
-#ifdef __i386__
-#define spice_mb() __asm__ __volatile__ ("lock; addl $0,0(%%esp)": : :"memory")
-#else
-//mfence
-#define spice_mb() __asm__ __volatile__ ("lock; addl $0,0(%%rsp)": : :"memory")
-#endif
+#define spice_mb() __sync_synchronize ()
#else
--
2.5.0
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