From 787eaa4904c53070fd5ad772b93e3683354a4b04 Mon Sep 17 00:00:00 2001
From: Max Filippov <jcmvbkbc@gmail.com>
Date: Sat, 14 Jan 2017 16:38:09 -0800
Subject: [PATCH] target/xtensa: don't continue translation after exception

There's no point in continuing translating guest instructions once an
unconditional exception is thrown.
There's also no point in updating pc before any instruction is
translated, don't do it.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
---
 target/xtensa/translate.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/target/xtensa/translate.c b/target/xtensa/translate.c
index 96c64d6c7f..7a198fa203 100644
--- a/target/xtensa/translate.c
+++ b/target/xtensa/translate.c
@@ -3152,8 +3152,11 @@ void gen_intermediate_code(CPUXtensaState *env, TranslationBlock *tb)
         goto done;
     }
     if (tb->flags & XTENSA_TBFLAG_EXCEPTION) {
-        tcg_gen_movi_i32(cpu_pc, dc.pc);
+        tcg_gen_insn_start(dc.pc);
+        ++insn_count;
         gen_exception(&dc, EXCP_DEBUG);
+        dc.is_jmp = DISAS_UPDATE;
+        goto done;
     }
 
     do {