Re: [Qemu-devel] [RFC v2 PATCH 03/13] tcg/aarch64: Add support for fence

[Claudio Fontana]

Acked-by: Claudio Fontana <address@hidden>

On Tuesday, 31 May 2016, Pranith Kumar <address@hidden> wrote:

> Cc: Claudio Fontana <address@hidden <javascript:;>>
> Signed-off-by: Richard Henderson <address@hidden <javascript:;>>
> Signed-off-by: Pranith Kumar <address@hidden <javascript:;>>
> ---
>  tcg/aarch64/tcg-target.inc.c | 7 +++++++
>  1 file changed, 7 insertions(+)
>
> diff --git a/tcg/aarch64/tcg-target.inc.c b/tcg/aarch64/tcg-target.inc.c
> index 08efdf4..c361a5c 100644
> --- a/tcg/aarch64/tcg-target.inc.c
> +++ b/tcg/aarch64/tcg-target.inc.c
> @@ -360,6 +360,9 @@ typedef enum {
>      I3510_EOR       = 0x4a000000,
>      I3510_EON       = 0x4a200000,
>      I3510_ANDS      = 0x6a000000,
> +
> +    /* System instructions.  */
> +    DMB_ISH         = 0xd5033bbf,
>  } AArch64Insn;
>
>  static inline uint32_t tcg_in32(TCGContext *s)
> @@ -1625,6 +1628,9 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
>          tcg_out_insn(s, 3508, SMULH, TCG_TYPE_I64, a0, a1, a2);
>          break;
>
> +    case INDEX_op_mb:
> +        tcg_out32(s, DMB_ISH);
> +        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.  */
> @@ -1749,6 +1755,7 @@ static const TCGTargetOpDef aarch64_op_defs[] = {
>      { INDEX_op_muluh_i64, { "r", "r", "r" } },
>      { INDEX_op_mulsh_i64, { "r", "r", "r" } },
>
> +    { INDEX_op_mb, { "r" } },
>      { -1 },
>  };
>
> --
> 2.8.3
>
>

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