Re: [PATCH v3 44/48] tcg/optimize: Optimize sign extensions

[Alex Bennée]

Richard Henderson <richard.henderson@linaro.org> writes:

> Certain targets, like riscv, produce signed 32-bit results.
> This can lead to lots of redundant extensions as values are
> manipulated.
>
> Begin by tracking only the obvious sign-extensions, and
> converting them to simple copies when possible.
>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>

-- 
Alex Bennée