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Re: [PATCH v3 21/32] target/mips: Convert MSA 3R instruction format to d


From: Richard Henderson
Subject: Re: [PATCH v3 21/32] target/mips: Convert MSA 3R instruction format to decodetree (part 2/4)
Date: Fri, 29 Oct 2021 09:37:22 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0

On 10/28/21 2:08 PM, Philippe Mathieu-Daudé wrote:
Convert 3-register operations to decodetree.

Per the Encoding of Operation Field for 3R Instruction Format'
(Table 3.25), these instructions are not defined for the BYTE
format. Therefore the TRANS_DF_iii_b() macro returns 'false'
in that case, because no such instruction is decoded.

Reviewed-by: Jiaxun Yang<jiaxun.yang@flygoat.com>
Signed-off-by: Philippe Mathieu-Daudé<f4bug@amsat.org>
---
v3:
- Remove TRANS_MSA(), call check_msa_enabled in trans_X()
---
  target/mips/tcg/msa.decode      |  11 ++
  target/mips/tcg/msa_translate.c | 182 +++++---------------------------
  2 files changed, 35 insertions(+), 158 deletions(-)

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

r~



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