Re: [Qemu-devel] [PATCH v1 3/3] s390x/cpumodel: allow to enable MVCOS for qemu cpu model

[Richard Henderson]

On 06/13/2017 02:47 PM, David Hildenbrand wrote:
+    if (!s390_has_feat(S390_FEAT_MOVE_WITH_OPTIONAL_SPEC)) {
+        program_interrupt(env, PGM_OPERATION, 6);
+    }

This is (supposed to be) done via the feature field of insn-data.def.

Except that we do not yet enforce that; we haven't updated that bit of the 
translator since we actually added support for the feature bits.


r~