[PULL 20/27] target/arm: Optimize MVE arithmetic ops

[Peter Maydell]

Optimize MVE arithmetic ops when we have a TCG
vector operation we can use.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210913095440.13462-6-peter.maydell@linaro.org
---
 target/arm/translate-mve.c | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/target/arm/translate-mve.c b/target/arm/translate-mve.c
index 77b9f0db334..255cb860fec 100644
--- a/target/arm/translate-mve.c
+++ b/target/arm/translate-mve.c
@@ -838,7 +838,7 @@ static bool trans_VPSEL(DisasContext *s, arg_2op *a)
     return do_2op(s, a, gen_helper_mve_vpsel);
 }
 
-#define DO_2OP(INSN, FN) \
+#define DO_2OP_VEC(INSN, FN, VECFN)                             \
     static bool trans_##INSN(DisasContext *s, arg_2op *a)       \
     {                                                           \
         static MVEGenTwoOpFn * const fns[] = {                  \
@@ -847,20 +847,22 @@ static bool trans_VPSEL(DisasContext *s, arg_2op *a)
             gen_helper_mve_##FN##w,                             \
             NULL,                                               \
         };                                                      \
-        return do_2op(s, a, fns[a->size]);                      \
+        return do_2op_vec(s, a, fns[a->size], VECFN);           \
     }
 
-DO_2OP(VADD, vadd)
-DO_2OP(VSUB, vsub)
-DO_2OP(VMUL, vmul)
+#define DO_2OP(INSN, FN) DO_2OP_VEC(INSN, FN, NULL)
+
+DO_2OP_VEC(VADD, vadd, tcg_gen_gvec_add)
+DO_2OP_VEC(VSUB, vsub, tcg_gen_gvec_sub)
+DO_2OP_VEC(VMUL, vmul, tcg_gen_gvec_mul)
 DO_2OP(VMULH_S, vmulhs)
 DO_2OP(VMULH_U, vmulhu)
 DO_2OP(VRMULH_S, vrmulhs)
 DO_2OP(VRMULH_U, vrmulhu)
-DO_2OP(VMAX_S, vmaxs)
-DO_2OP(VMAX_U, vmaxu)
-DO_2OP(VMIN_S, vmins)
-DO_2OP(VMIN_U, vminu)
+DO_2OP_VEC(VMAX_S, vmaxs, tcg_gen_gvec_smax)
+DO_2OP_VEC(VMAX_U, vmaxu, tcg_gen_gvec_umax)
+DO_2OP_VEC(VMIN_S, vmins, tcg_gen_gvec_smin)
+DO_2OP_VEC(VMIN_U, vminu, tcg_gen_gvec_umin)
 DO_2OP(VABD_S, vabds)
 DO_2OP(VABD_U, vabdu)
 DO_2OP(VHADD_S, vhadds)
-- 
2.20.1