"Roger Sayle" writes:
> This patch introduces new RTX codes to allow the RTL passes and
> backends to consistently represent high-part multiplications.
> Currently, the RTL used by different backends for expanding
> smul3_highpart and umul3_highpart varies greatly,
> with many but not all
On Sep 25 2021, Roger Sayle wrote:
> diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
> index 4acb941..2de7d99 100644
> --- a/gcc/doc/invoke.texi
> +++ b/gcc/doc/invoke.texi
> @@ -3125,7 +3125,7 @@ errors if these functions are not inlined everywhere
> they are called.
> @itemx
This patch introduces new RTX codes to allow the RTL passes and
backends to consistently represent high-part multiplications.
Currently, the RTL used by different backends for expanding
smul3_highpart and umul3_highpart varies greatly,
with many but not all choosing to express this something
