Richard Henderson <richard.hender...@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.hender...@linaro.org> Reviewed-by: Alex Bennée <alex.ben...@linaro.org> -- Alex Bennée
