Commit 91682118 authored by Richard Henderson's avatar Richard Henderson
Browse files

tcg: Emit barriers with parallel_cpus 



Reviewed-by: default avatarEmilio G. Cota <cota@braap.org>
Reviewed-by: default avatarAlex Bennée <alex.bennee@linaro.org>
Signed-off-by: default avatarRichard Henderson <rth@twiddle.net>
parent df79b996

tcg/tcg-op.c

+1 −11
Original line number Diff line number Diff line
@@ -150,17 +150,7 @@ void tcg_gen_op6(TCGContext *ctx, TCGOpcode opc, TCGArg a1, TCGArg a2, 


void tcg_gen_mb(TCGBar mb_type)

{

    bool emit_barriers = true;



#ifndef CONFIG_USER_ONLY

    /* TODO: When MTTCG is available for system mode, we will check

     * the following condition and enable emit_barriers

     * (qemu_tcg_mttcg_enabled() && smp_cpus > 1)

     */

    emit_barriers = false;

#endif



    if (emit_barriers) {

    if (parallel_cpus) {

        tcg_gen_op1(&tcg_ctx, INDEX_op_mb, mb_type);

    }

}