PPC: Add VSX to hflags

We generate different code depending on whether MSR_VSX is set or
clear, so it needs to be part of our hflags too which indicate whether
we're still in the same translation block cache bucket.

Signed-off-by: Alexander Graf <agraf@suse.de>

target-ppc/helper_regs.h

diff --git a/target-ppc/helper_regs.h b/target-ppc/helper_regs.h
index a6d5e2f..c02e8da 100644
--- a/target-ppc/helper_regs.h
+++ b/target-ppc/helper_regs.h
@@ -56,7 +56,7 @@
     /* We 'forget' FE0 & FE1: we'll never generate imprecise exceptions */
     hflags_mask = (1 << MSR_VR) | (1 << MSR_AP) | (1 << MSR_SA) |
         (1 << MSR_PR) | (1 << MSR_FP) | (1 << MSR_SE) | (1 << MSR_BE) |
-        (1 << MSR_LE);
+        (1 << MSR_LE) | (1 << MSR_VSX);
     hflags_mask |= (1ULL << MSR_CM) | (1ULL << MSR_SF) | MSR_HVB;
     hreg_compute_mem_idx(env);
     env->hflags = env->msr & hflags_mask;