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target/ppc: Tidy exception vs exit_tb 

We do not need to emit an exit_tb after an exception,
as the latter will exit via longjmp.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Message-Id: <20210517205025.3777947-7-matheus.ferst@eldorado.org.br>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Richard Henderson 2021-05-17 17:50:08 -03:00 committed by David Gibson
parent 13b4557567
commit 0032dbdb41
1 changed files with 2 additions and 1 deletions
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3
target/ppc/translate.c
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@ -4648,8 +4648,9 @@ static void gen_lookup_and_goto_ptr(DisasContext *ctx)
} else if (sse & (CPU_SINGLE_STEP | CPU_BRANCH_STEP)) {
uint32_t excp = gen_prep_dbgex(ctx);
gen_exception(ctx, excp);
} else {
tcg_gen_exit_tb(NULL, 0);
}
tcg_gen_exit_tb(NULL, 0);
} else {
tcg_gen_lookup_and_goto_ptr();
}