diff mbox

[3/7] target/xtensa: don't continue translation after exception

Message ID 1484514617-11726-4-git-send-email-jcmvbkbc@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Max Filippov Jan. 15, 2017, 9:10 p.m. UTC
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 mbox

Patch

diff --git a/target/xtensa/translate.c b/target/xtensa/translate.c
index 96c64d6..7a198fa 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 {