target/hppa: Clear psw_n for BE on use_nullify_skip path

Along this path we have already skipped the insn to be
nullified, so the subsequent insn should be executed.

Cc: qemu-stable@nongnu.org
Reported-by: Sven Schnelle <svens@stackframe.org>
Tested-by: Sven Schnelle <svens@stackframe.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
diff --git a/target/hppa/translate.c b/target/hppa/translate.c
index 143818c..8a1a8bc 100644
--- a/target/hppa/translate.c
+++ b/target/hppa/translate.c
@@ -3948,6 +3948,7 @@
         copy_iaoq_entry(ctx, cpu_iaoq_b, -1, tmp);
         tcg_gen_mov_i64(cpu_iasq_f, new_spc);
         tcg_gen_mov_i64(cpu_iasq_b, cpu_iasq_f);
+        nullify_set(ctx, 0);
     } else {
         copy_iaoq_entry(ctx, cpu_iaoq_f, ctx->iaoq_b, cpu_iaoq_b);
         if (ctx->iaoq_b == -1) {