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target/xtensa: don't continue translation after exception

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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>
This commit is contained in:
Max Filippov 2017-01-14 16:38:09 -08:00
parent d2132510ca
commit 787eaa4904
1 changed files with 4 additions and 1 deletions
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5
target/xtensa/translate.c
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@ -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 {