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-rw-r--r--target/openrisc/translate.c35
1 files changed, 17 insertions, 18 deletions
diff --git a/target/openrisc/translate.c b/target/openrisc/translate.c
index 43bdf37..22848b1 100644
--- a/target/openrisc/translate.c
+++ b/target/openrisc/translate.c
@@ -1335,31 +1335,30 @@ static void openrisc_tr_tb_stop(DisasContextBase *dcbase, CPUState *cs)
{
DisasContext *dc = container_of(dcbase, DisasContext, base);
+ /* If we have already exited the TB, nothing following has effect. */
+ if (dc->base.is_jmp == DISAS_NORETURN) {
+ return;
+ }
+
if ((dc->tb_flags & TB_FLAGS_DFLAG ? 1 : 0) != (dc->delayed_branch != 0)) {
tcg_gen_movi_i32(cpu_dflag, dc->delayed_branch != 0);
}
tcg_gen_movi_tl(cpu_ppc, dc->base.pc_next - 4);
- if (dc->base.is_jmp == DISAS_NEXT) {
- dc->base.is_jmp = DISAS_UPDATE;
- tcg_gen_movi_tl(cpu_pc, dc->base.pc_next);
- }
- if (unlikely(dc->base.singlestep_enabled)) {
- gen_exception(dc, EXCP_DEBUG);
- } else {
- switch (dc->base.is_jmp) {
- case DISAS_TOO_MANY:
- gen_goto_tb(dc, 0, dc->base.pc_next);
- break;
- case DISAS_NORETURN:
- break;
- case DISAS_UPDATE:
- case DISAS_EXIT:
+ switch (dc->base.is_jmp) {
+ case DISAS_TOO_MANY:
+ gen_goto_tb(dc, 0, dc->base.pc_next);
+ break;
+ case DISAS_UPDATE:
+ case DISAS_EXIT:
+ if (unlikely(dc->base.singlestep_enabled)) {
+ gen_exception(dc, EXCP_DEBUG);
+ } else {
tcg_gen_exit_tb(NULL, 0);
- break;
- default:
- g_assert_not_reached();
}
+ break;
+ default:
+ g_assert_not_reached();
}
}