Re: [PATCH v2 09/12] target/ppc: Use gvec to decode XVCPSGN[SD]P

[Richard Henderson]

On 10/10/22 12:13, Lucas Mateus Castro(alqotel) wrote:
> From: "Lucas Mateus Castro (alqotel)"<lucas.araujo@eldorado.org.br>
>
> Moved XVCPSGNSP and XVCPSGNDP to decodetree and used gvec to translate
> them.
>
> xvcpsgnsp:
> rept    loop    master             patch
> 8       12500   0,00561400         0,00537900 (-4.2%)
> 25      4000    0,00562100         0,00400000 (-28.8%)
> 100     1000    0,00696900         0,00416300 (-40.3%)
> 500     200     0,02211900         0,00840700 (-62.0%)
> 2500    40      0,09328600         0,02728300 (-70.8%)
> 8000    12      0,27295300         0,06867800 (-74.8%)
>
> xvcpsgndp:
> rept    loop    master             patch
> 8       12500   0,00556300         0,00584200 (+5.0%)
> 25      4000    0,00482700         0,00431700 (-10.6%)
> 100     1000    0,00585800         0,00464400 (-20.7%)
> 500     200     0,01565300         0,00839700 (-46.4%)
> 2500    40      0,05766500         0,02430600 (-57.8%)
> 8000    12      0,19875300         0,07947100 (-60.0%)
>
> Like the previous instructions there seemed to be a improvement on
> translation time.
>
> Signed-off-by: Lucas Mateus Castro (alqotel)<lucas.araujo@eldorado.org.br>
> ---
>   target/ppc/insn32.decode            |   2 +
>   target/ppc/translate/vsx-impl.c.inc | 109 ++++++++++++++--------------
>   target/ppc/translate/vsx-ops.c.inc  |   3 -
>   3 files changed, 55 insertions(+), 59 deletions(-)

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

r~