Mercurial > hg > truffle

diff src/os_cpu/solaris_x86/vm/orderAccess_solaris_x86.inline.hpp @ 686:a9d9d7e06593

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Merge
author trims
date Thu, 02 Apr 2009 17:01:00 -0700
parents d0994e5bebce
children bd02caa94611
line wrap: on
line diff
--- a/src/os_cpu/solaris_x86/vm/orderAccess_solaris_x86.inline.hpp	Wed Apr 01 22:31:26 2009 -0700
+++ b/src/os_cpu/solaris_x86/vm/orderAccess_solaris_x86.inline.hpp	Thu Apr 02 17:01:00 2009 -0700
@@ -61,11 +61,8 @@
 #endif // AMD64
   }
   inline void _OrderAccess_fence() {
-#ifdef AMD64
-    __asm__ __volatile__ ("mfence":::"memory");
-#else
+    // Always use locked addl since mfence is sometimes expensive
     __asm__ volatile ("lock; addl $0,0(%%esp)" : : : "cc", "memory");
-#endif // AMD64
   }
 
 }