xen: Add a missing break to the handling of XEN_DOMCTL_max_vcpus
found by Coverity's checker.
Also fix another missing break XEN_SYSCTL_numainfo found by via a
by-eye check. This one is at the end of the switch so it is benign.
Patch by Ian Campbell <ian.campbell@citrix.com>.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13251 a5019735-40e9-0310-863c-91ae7b9d1cf9
Fix two asserts that Coverity's checker diagnosed as having side effects.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13252 a5019735-40e9-0310-863c-91ae7b9d1cf9
Replace bcopy on linux as, at least in 32 bit build, glibc will
sometimes choose to use an optimised version. Fixes #311407.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13253 a5019735-40e9-0310-863c-91ae7b9d1cf9
s390: Add another testcase for DFP insns.
Patch by Maran Pakkirisamy (maranp@linux.vnet.ibm.com).
Part of fixing BZ 307113.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13254 a5019735-40e9-0310-863c-91ae7b9d1cf9