Fix sis_dri on ia64.

diff --git a/src/mesa/drivers/dri/sis/sis_context.h b/src/mesa/drivers/dri/sis/sis_context.h
index c349bf9..6289fb4 100644 (file)
--- a/src/mesa/drivers/dri/sis/sis_context.h
+++ b/src/mesa/drivers/dri/sis/sis_context.h
@@ -403,6 +403,8 @@ struct sis_context
 
 #if defined(__i386__) || defined(__amd64__)
 #define MMIO_WMB()     __asm __volatile("" : : : "memory")
+#elif defined(__ia64__)
+#define MMIO_WMB()     __asm __volatile("mf" : : : "memory")
 #else
 #error platform needs WMB
 #endif