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RE: [PATCH v4 50/51] tcg/optimize: Propagate sign info for bit counting
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From: |
Luis Fernando Fujita Pires |
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Subject: |
RE: [PATCH v4 50/51] tcg/optimize: Propagate sign info for bit counting |
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Date: |
Wed, 27 Oct 2021 20:43:46 +0000 |
From: Richard Henderson <richard.henderson@linaro.org>
> The results are generally 6 bit unsigned values, though the count leading and
> trailing bits may produce any value for a zero input.
>
> Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
> tcg/optimize.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
Reviewed-by: Luis Pires <luis.pires@eldorado.org.br>
--
Luis Pires
Instituto de Pesquisas ELDORADO
Aviso Legal - Disclaimer <https://www.eldorado.org.br/disclaimer.html>
- RE: [PATCH v4 40/51] tcg/optimize: Expand fold_addsub2_i32 to 64-bit ops, (continued)
- [PATCH v4 44/51] tcg/optimize: Use fold_xi_to_x for mul, Richard Henderson, 2021/10/26
- [PATCH v4 46/51] tcg/optimize: Use fold_xx_to_i for rem, Richard Henderson, 2021/10/26
- [PATCH v4 47/51] tcg/optimize: Optimize sign extensions, Richard Henderson, 2021/10/26
- [PATCH v4 50/51] tcg/optimize: Propagate sign info for bit counting, Richard Henderson, 2021/10/26
- RE: [PATCH v4 50/51] tcg/optimize: Propagate sign info for bit counting,
Luis Fernando Fujita Pires <=
- [PATCH v4 42/51] tcg/optimize: Stop forcing z_mask to "garbage" for 32-bit values, Richard Henderson, 2021/10/26
- [PATCH v4 43/51] tcg/optimize: Use fold_xx_to_i for orc, Richard Henderson, 2021/10/26
- [PATCH v4 49/51] tcg/optimize: Propagate sign info for setcond, Richard Henderson, 2021/10/26
- [PATCH v4 45/51] tcg/optimize: Use fold_xi_to_x for div, Richard Henderson, 2021/10/26