Speed of compiling gimple-match.c

[Richard Biener]

On Mon, May 3, 2021 at 11:10 PM Andrew Pinski via Gcc <gcc@gcc.gnu.org> wrote:
>
> Hi all,
>   I noticed my (highly, -j24) parallel build of GCC is serialized on
> compiling gimple-match.c.  Has anyone looked into splitting this
> generated file into multiple files?

There were threads about this in the past, yes.  There's the
possibility to use LTO for this as well (also mentioned in those
threads).  Note it's not easy to split in a meaningful way in
genmatch.c

Richard.

> Thanks,
> Andrew Pinski