Re: [PATCH v3 03/57] tcg/i386: Conditionalize tcg_out_extu_i32_i64

[Philippe Mathieu-Daudé]

On 24/4/23 07:40, Richard Henderson wrote:
> Since TCG_TYPE_I32 values are kept zero-extended in registers, via
> omission of the REXW bit, we need not extend if the register matches.
> This is already relied upon by qemu_{ld,st}.
>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>   tcg/i386/tcg-target.c.inc | 4 +++-
>   1 file changed, 3 insertions(+), 1 deletion(-)

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>