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Re: [PATCH 03/85] target/sparc: Remove always-set cpu features


From: Richard Henderson
Subject: Re: [PATCH 03/85] target/sparc: Remove always-set cpu features
Date: Sun, 15 Oct 2023 09:53:16 -0700
User-agent: Mozilla Thunderbird

On 10/13/23 14:27, Richard Henderson wrote:
The oldest supported cpu is the microsparc 1;
all other cpus use CPU_DEFAULT_FEATURES.

Remove all bits that are always set: FLOAT, SWAP, MUL, DIV,
FLUSH, FSQRT, FMUL.

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

I've just found the command-line properties that could affect these, which unfortunately don't use the CPU_FEATURE_* symbols and hard-code bit numbers.

I'd be tempted to remove the properties as well, with the possible exception of CPU_FEATURE_FLOAT, but maybe not even that.

Thoughts?


r~



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