s390x: fpr - gpr transfer facility
We need to introduce a new hwcap to model the presence of the fpr - gpr
transfer facility. If it is not available, we cannot use the LDGR and LGDR
insns and need to use a trick similar to what ppc does (write/read stack
location).
Fixes #268619 (vex side).
(Florian Krohm, britzel@acm.org)



git-svn-id: svn://svn.valgrind.org/vex/trunk@2131 8f6e269a-dfd6-0310-a8e1-e2731360e62c
4 files changed