diff options
Diffstat (limited to 'tcg/tcg-op.c')
-rw-r--r-- | tcg/tcg-op.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/tcg/tcg-op.c b/tcg/tcg-op.c index 0243c99094..291d50bb7d 100644 --- a/tcg/tcg-op.c +++ b/tcg/tcg-op.c @@ -148,6 +148,23 @@ void tcg_gen_op6(TCGContext *ctx, TCGOpcode opc, TCGArg a1, TCGArg a2, tcg_emit_op(ctx, opc, pi); } +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) { + tcg_gen_op1(&tcg_ctx, INDEX_op_mb, mb_type); + } +} + /* 32 bit ops */ void tcg_gen_addi_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2) |