Re: [PATCH 02/12] target/ppc: Move VMH[R]ADDSHS instruction to decodetree

[Richard Henderson]

On 9/23/22 21:47, Lucas Mateus Castro(alqotel) wrote:
> From: "Lucas Mateus Castro (alqotel)"<lucas.araujo@eldorado.org.br>
>
> This patch moves VMHADDSHS and VMHRADDSHS to decodetree I couldn't find
> a satisfactory implementation with TCG inline.
>
> vmhaddshs:
> rept    loop    master             patch
> 8       12500   0,02983400         0,02648500 (-11.2%)
> 25      4000    0,02946000         0,02518000 (-14.5%)
> 100     1000    0,03104300         0,02638000 (-15.0%)
> 500     200     0,04002000         0,03502500 (-12.5%)
> 2500    40      0,08090100         0,07562200 (-6.5%)
> 8000    12      0,19242600         0,18626800 (-3.2%)
>
> vmhraddshs:
> rept    loop    master             patch
> 8       12500   0,03078600         0,02851000 (-7.4%)
> 25      4000    0,02793200         0,02746900 (-1.7%)
> 100     1000    0,02886000         0,02839900 (-1.6%)
> 500     200     0,03714700         0,03799200 (+2.3%)
> 2500    40      0,07948000         0,07852200 (-1.2%)
> 8000    12      0,19049800         0,18813900 (-1.2%)
>
> Signed-off-by: Lucas Mateus Castro (alqotel)<lucas.araujo@eldorado.org.br>
> ---
>   target/ppc/helper.h                 | 4 ++--
>   target/ppc/insn32.decode            | 2 ++
>   target/ppc/int_helper.c             | 4 ++--
>   target/ppc/translate/vmx-impl.c.inc | 5 +++--
>   target/ppc/translate/vmx-ops.c.inc  | 1 -
>   5 files changed, 9 insertions(+), 7 deletions(-)

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

r~