Lulu Cheng <chengl...@loongson.cn> writes:
> gcc/ChangeLog:
>
> * doc/rtl.texi: Correct a clerical error in the document.
> ---
> gcc/doc/rtl.texi | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/gcc/doc/rtl.texi b/gcc/doc/rtl.texi
> index 43c9ee8bffe..44858d12892 100644
> --- a/gcc/doc/rtl.texi
> +++ b/gcc/doc/rtl.texi
> @@ -2142,7 +2142,7 @@ stores the lower 2 bytes of @var{y} in @var{x} and
> discards the upper
> (set @var{z} (subreg:SI (reg:HI @var{x}) 0))
> @end smallexample
>
> -would set the lower two bytes of @var{z} to @var{y} and set the upper
> +would set the lower two bytes of @var{z} to @var{x} and set the upper
> two bytes to an unknown value assuming @code{SUBREG_PROMOTED_VAR_P} is
> false.
Both versions are right in their way. I think the intention of the
original was to show the effect of moving y to z via a paradoxical
subreg on x.
How about:
would set the lower two bytes of @var{z} to @var{x} (which contains
the lower two bytes of @var{y}) and set the upper ...
OK with that change if you agree.
Richard
