33 lines
1.0 KiB
Diff
33 lines
1.0 KiB
Diff
From ba9c2acb955f0453ae80077a791a4d1c27b5d6e6 Mon Sep 17 00:00:00 2001
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From: Max Filippov <jcmvbkbc@gmail.com>
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Date: Fri, 21 Sep 2012 02:59:50 +0400
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Subject: [PATCH] target-xtensa: don't emit extra tcg_gen_goto_tb
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Unconditional gen_check_loop_end at the end of disas_xtensa_insn
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can emit tcg_gen_goto_tb with slot id already used in the TB (e.g. when
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TB ends at LEND with a branch).
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Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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Cc: qemu-stable <qemu-stable@nongnu.org>
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Signed-off-by: malc <av1474@comtv.ru>
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Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
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---
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target-xtensa/translate.c | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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diff --git a/target-xtensa/translate.c b/target-xtensa/translate.c
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index 7a1c528..b6643eb 100644
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--- a/target-xtensa/translate.c
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+++ b/target-xtensa/translate.c
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@@ -2520,7 +2520,9 @@ static void disas_xtensa_insn(DisasContext *dc)
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break;
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}
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- gen_check_loop_end(dc, 0);
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+ if (dc->is_jmp == DISAS_NEXT) {
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+ gen_check_loop_end(dc, 0);
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+ }
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dc->pc = dc->next_pc;
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return;
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