Shenandoah WB and XMM spills?

[Roland Westrelin]

> if (UseShenandoahGC && mcall->entry_point() == StubRoutines::shenandoah_wb_C()) {
>   assert(op == Op_CallLeafNoFP, "shenandoah_wb_C should be called with Op_CallLeafNoFP");
>   add_call_kills(proj, regs, save_policy, exclude_soe, true);
> } else {
>   add_call_kills(proj, regs, save_policy, exclude_soe, false);
> }

Thanks for the suggestion. I will go with that.

Roland.