Support "compare double ansd swap" insns: CDS, CDSY, and CDSG 
valgrind bits for fixing bugzilla #291865. See also VEX r2372.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@12615 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/NEWS b/NEWS
index 18a32ca..737ce1d 100644
--- a/NEWS
+++ b/NEWS
@@ -90,6 +90,7 @@
 289939  wish: complete monitor cmd 'leak_check' with details about leaked or reachable blocks
 290655  Add support for AESKEYGENASSIST instruction 
 290974  vgdb must align pages to VKI_SHMLBA (16KB) on ARM 
+291865  s390x: Support the "Compare Double and Swap" family of instructions
 293088  Add some VEX sanity checks for ppc64 unhandled instructions
 294055  regtest none/tests/shell fails when locale is not set to C
 294190  --vgdb-error=xxx can be out of sync with errors shown to the user