[v2] target/arm: Use TCG vector ops for MVE

[PATCH v2 11/12] target/arm: Optimize MVE VSLI and VSRI

Posted by Peter Maydell 4 years, 4 months ago

Optimize the MVE shift-and-insert insns by using TCG
vector ops when possible.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 target/arm/translate-mve.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/target/arm/translate-mve.c b/target/arm/translate-mve.c
index 5d66f70657e..1fd71c9a1ee 100644
--- a/target/arm/translate-mve.c
+++ b/target/arm/translate-mve.c
@@ -1668,8 +1668,8 @@ DO_2SHIFT_VEC(VSHRI_U, vshli_u, true, do_gvec_shri_u)
 DO_2SHIFT(VRSHRI_S, vrshli_s, true)
 DO_2SHIFT(VRSHRI_U, vrshli_u, true)
 
-DO_2SHIFT(VSRI, vsri, false)
-DO_2SHIFT(VSLI, vsli, false)
+DO_2SHIFT_VEC(VSRI, vsri, false, gen_gvec_sri)
+DO_2SHIFT_VEC(VSLI, vsli, false, gen_gvec_sli)
 
 #define DO_2SHIFT_FP(INSN, FN)                                  \
     static bool trans_##INSN(DisasContext *s, arg_2shift *a)    \
-- 
2.20.1

Re: [PATCH v2 11/12] target/arm: Optimize MVE VSLI and VSRI

Posted by Richard Henderson 4 years, 4 months ago

On 9/13/21 2:54 AM, Peter Maydell wrote:
> Optimize the MVE shift-and-insert insns by using TCG
> vector ops when possible.
> 
> Signed-off-by: Peter Maydell<peter.maydell@linaro.org>
> ---
>   target/arm/translate-mve.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)

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

r~