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[Qemu-stable] [PATCH 2/2] target-xtensa: don't emit extra tcg_gen_goto_t
From: |
Max Filippov |
Subject: |
[Qemu-stable] [PATCH 2/2] target-xtensa: don't emit extra tcg_gen_goto_tb |
Date: |
Fri, 21 Sep 2012 02:59:50 +0400 |
Unconditional gen_check_loop_end at the end of disas_xtensa_insn
can emit tcg_gen_goto_tb with slot id already used in the TB (e.g. when
TB ends at LEND with a branch).
Signed-off-by: Max Filippov <address@hidden>
Cc: qemu-stable <address@hidden>
---
target-xtensa/translate.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/target-xtensa/translate.c b/target-xtensa/translate.c
index 7a1c528..b6643eb 100644
--- a/target-xtensa/translate.c
+++ b/target-xtensa/translate.c
@@ -2520,7 +2520,9 @@ static void disas_xtensa_insn(DisasContext *dc)
break;
}
- gen_check_loop_end(dc, 0);
+ if (dc->is_jmp == DISAS_NEXT) {
+ gen_check_loop_end(dc, 0);
+ }
dc->pc = dc->next_pc;
return;
--
1.7.7.6
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