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Re: [PATCH v2 14/57] target/arm: Implement MVE VCLZ


From: Richard Henderson
Subject: Re: [PATCH v2 14/57] target/arm: Implement MVE VCLZ
Date: Mon, 14 Jun 2021 13:00:25 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1

On 6/14/21 8:09 AM, Peter Maydell wrote:
Implement the MVE VCLZ insn (and the necessary machinery
for MVE 1-input vector ops).

Note that for non-load instructions predication is always performed
at a byte level granularity regardless of element size (R_ZLSJ),
and so the masking logic here differs from that used in the VLDR
and VSTR helpers.

Signed-off-by: Peter Maydell<peter.maydell@linaro.org>
---
  target/arm/helper-mve.h    |  4 ++
  target/arm/mve.decode      |  8 ++++
  target/arm/mve_helper.c    | 97 ++++++++++++++++++++++++++++++++++++++
  target/arm/translate-mve.c | 38 +++++++++++++++
  4 files changed, 147 insertions(+)

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

r~



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