Richard Henderson <[email protected]> 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 <[email protected]> Reviewed-by: Alex Bennée <[email protected]> -- Alex Bennée
