On 18/06/16 07:03, Pranith Kumar wrote: > Cc: Stefan Weil <[email protected]> > Signed-off-by: Richard Henderson <[email protected]> > Signed-off-by: Pranith Kumar <[email protected]> > --- > tcg/tci/tcg-target.inc.c | 3 +++ > tci.c | 3 +++ > 2 files changed, 6 insertions(+) > > diff --git a/tcg/tci/tcg-target.inc.c b/tcg/tci/tcg-target.inc.c > index fa74d52..8e950df 100644 > --- a/tcg/tci/tcg-target.inc.c > +++ b/tcg/tci/tcg-target.inc.c > @@ -255,6 +255,7 @@ static const TCGTargetOpDef tcg_target_op_defs[] = { > { INDEX_op_bswap32_i32, { R, R } }, > #endif > > + { INDEX_op_mb, { } }, > { -1 }, > }; > > @@ -800,6 +801,8 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, > const TCGArg *args, > } > tcg_out_i(s, *args++); > break; > + case INDEX_op_mb: > + break; > case INDEX_op_mov_i32: /* Always emitted via tcg_out_mov. */ > case INDEX_op_mov_i64: > case INDEX_op_movi_i32: /* Always emitted via tcg_out_movi. */ > diff --git a/tci.c b/tci.c > index b488c0d..4081e61 100644 > --- a/tci.c > +++ b/tci.c > @@ -1236,6 +1236,9 @@ uintptr_t tcg_qemu_tb_exec(CPUArchState *env, uint8_t > *tb_ptr) > tcg_abort(); > } > break; > + case INDEX_op_mb: > + smp_mb();
I think we could distinguish smp_rmb(), smp_wmb() and smp_mb() here. Kind regards, Sergey > + break; > default: > TODO(); > break;
