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| author | Peter Maydell <peter.maydell@linaro.org> | 2021-09-13 10:54:35 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2021-09-21 16:28:27 +0100 |
| commit | f8d94803f1d82fa9268053abd16f984bc535b3cd (patch) | |
| tree | 90350b69a1bd7aa75376cb03d14a2bf0bb0e1d58 /target | |
| parent | 4b1561c4720bff2b438f53a73349aca118d6a519 (diff) | |
| download | qemu-f8d94803f1d82fa9268053abd16f984bc535b3cd.zip qemu-f8d94803f1d82fa9268053abd16f984bc535b3cd.tar.gz qemu-f8d94803f1d82fa9268053abd16f984bc535b3cd.tar.bz2 | |
target/arm: Optimize MVE VDUP
Optimize the MVE VDUP insns by using TCG vector ops when possible.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210913095440.13462-8-peter.maydell@linaro.org
Diffstat (limited to 'target')
| -rw-r--r-- | target/arm/translate-mve.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/target/arm/translate-mve.c b/target/arm/translate-mve.c index d30c7e5..13de552 100644 --- a/target/arm/translate-mve.c +++ b/target/arm/translate-mve.c @@ -500,11 +500,15 @@ static bool trans_VDUP(DisasContext *s, arg_VDUP *a) return true; } - qd = mve_qreg_ptr(a->qd); rt = load_reg(s, a->rt); - tcg_gen_dup_i32(a->size, rt, rt); - gen_helper_mve_vdup(cpu_env, qd, rt); - tcg_temp_free_ptr(qd); + if (mve_no_predication(s)) { + tcg_gen_gvec_dup_i32(a->size, mve_qreg_offset(a->qd), 16, 16, rt); + } else { + qd = mve_qreg_ptr(a->qd); + tcg_gen_dup_i32(a->size, rt, rt); + gen_helper_mve_vdup(cpu_env, qd, rt); + tcg_temp_free_ptr(qd); + } tcg_temp_free_i32(rt); mve_update_eci(s); return true; |