target/i386: disable jmp_opt if EFLAGS.RF is 1
If EFLAGS.RF is 1, special processing in gen_eob_worker() is needed and therefore goto_tb cannot be used. Suggested-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Cc: qemu-stable@nongnu.org Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> (cherry picked from commit 8225bff7c5db504f50e54ef66b079854635dba70) Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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@ -6945,7 +6945,7 @@ static void i386_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cpu)
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dc->cpuid_7_0_ecx_features = env->features[FEAT_7_0_ECX];
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dc->cpuid_xsave_features = env->features[FEAT_XSAVE];
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dc->jmp_opt = !((cflags & CF_NO_GOTO_TB) ||
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(flags & (HF_TF_MASK | HF_INHIBIT_IRQ_MASK)));
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(flags & (HF_RF_MASK | HF_TF_MASK | HF_INHIBIT_IRQ_MASK)));
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/*
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* If jmp_opt, we want to handle each string instruction individually.
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* For icount also disable repz optimization so that each iteration
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