Add instruction tests for the LFENCE/MFENCE/SFENCE instructions.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@2523 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/addrcheck/tests/insn_sse.stdout.exp b/addrcheck/tests/insn_sse.stdout.exp
index c9ae0f1..f15bd81 100644
--- a/addrcheck/tests/insn_sse.stdout.exp
+++ b/addrcheck/tests/insn_sse.stdout.exp
@@ -117,6 +117,7 @@
 rsqrtps_2 ... ok
 rsqrtss_1 ... ok
 rsqrtss_2 ... ok
+sfence_1 ... ok
 shufps_1 ... ok
 shufps_2 ... ok
 sqrtps_1 ... ok