Signed-off-by: Matt Turner <[email protected]>
---
hw/xfree86/common/compiler.h | 16 +++++++++++++++-
1 files changed, 15 insertions(+), 1 deletions(-)
diff --git a/hw/xfree86/common/compiler.h b/hw/xfree86/common/compiler.h
index a1cc1b8..ab0c79a 100644
--- a/hw/xfree86/common/compiler.h
+++ b/hw/xfree86/common/compiler.h
@@ -129,7 +129,21 @@ extern unsigned short ldw_brx(volatile unsigned char *,
int);
# ifndef NO_INLINE
# ifdef __GNUC__
-# ifdef __alpha__
+# ifdef __i386__
+
+# ifdef __SSE__
+# define write_mem_barrier() __asm__ __volatile__ ("sfence" : : : "memory")
+# else
+# define write_mem_barrier() __asm__ __volatile__ ("lock; addl
$0,0(%%esp)" : : : "memory")
+# endif
+
+# ifdef __SSE2__
+# define mem_barrier() __asm__ __volatile__ ("mfence" : : : "memory")
+# else
+# define mem_barrier() __asm__ __volatile__ ("lock; addl $0,0(%%esp)" : :
: "memory")
+# endif
+
+# elif defined __alpha__
# define mem_barrier() __asm__ __volatile__ ("mb" : : : "memory")
# define write_mem_barrier() __asm__ __volatile__ ("wmb" : : : "memory")
--
1.6.3.3
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