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

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
Igor Kovalenko · Blue Swirl
1 parent bfdb3629
Showing 1 changed file with 5 additions and 0 deletions
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();
+    }
 }