On Sat, Oct 24, 2009 at 1:19 PM, <juha.riihim...@nokia.com> wrote:
> From: Juha Riihimäki <juha.riihim...@nokia.com>
>
> In the existing code shift value is clobbered during the pass loop.
> This patch changes the code so that it stores the intermediate
> result in the target neon register directly and eliminates the need
> to use a temporary to hold the intermediate value thus leaving the
> shift value in the temporary variable intact. This is a new patch
> in this version of the patch series.
>
> Signed-off-by: Juha Riihimäki <juha.riihim...@nokia.com>
Acked-by: Laurent Desnogues <laurent.desnog...@gmail.com>
Laurent
> ---
> target-arm/translate.c | 12 +++---------
> 1 files changed, 3 insertions(+), 9 deletions(-)
>
> diff --git a/target-arm/translate.c b/target-arm/translate.c
> index 9d13d42..8a85db6 100644
> --- a/target-arm/translate.c
> +++ b/target-arm/translate.c
> @@ -4680,18 +4680,12 @@ static int disas_neon_data_insn(CPUState * env,
> DisasContext *s, uint32_t insn)
> else
> gen_neon_narrow_satu(size - 1, tmp, cpu_V0);
> }
> - if (pass == 0) {
> - if (size != 3) {
> - dead_tmp(tmp2);
> - }
> - tmp2 = tmp;
> - } else {
> - neon_store_reg(rd, 0, tmp2);
> - neon_store_reg(rd, 1, tmp);
> - }
> + neon_store_reg(rd, pass, tmp);
> } /* for pass */
> if (size == 3) {
> tcg_temp_free_i64(tmp64);
> + } else {
> + dead_tmp(tmp2);
> }
> } else if (op == 10) {
> /* VSHLL */
> --
> 1.6.5
>
>
>
>
