sparc64 flush pending conditional evaluations before exposing cpu state

If translation block is interrupted by e.g. mmu exception
we need to compute conditional flags for inclusion into
saved cpu state. Otherwise after return from trap
conditional instructions would use stale psr/xcc data.

Signed-off-by: igor.v.kovalenko@gmail.com

--
Kind regards,
Igor V. Kovalenko

target-sparc/translate.c

@@ -4908,4 +4908,9 @@ void gen_pc_load(CPUState *env, TranslationBlock *tb,
     } else {
         env->npc = npc;
     }
+
+    /* flush pending conditional evaluations before exposing cpu state */
+    if (CC_OP != CC_OP_FLAGS) {
+        helper_compute_psr();
+    }
 }