On Fri, May 28, 2021 at 09:33:14AM +0200, Bernd Edlinger wrote:
> > This should help for what I was complaining about in
> > https://gcc.gnu.org/pipermail/gcc/2021-May/235963.html . I build with
> > -j24 and it was stalling on compiling gimple-match.c for me.
> > Looks like insn-attrtab.c is missed too; I saw genattrtab was running last
> > too.
> >
>
> Yeah, probably insn-automata.c as well, sometimes it is picked up early
> sometimes not.
> maybe $(simple_generated_c) should be added to generated_files,
> but insn-attrtab.c is yet another exception.
The problem with insn-automata.c is that on some targets it is very time
consuming to generate that file (I think e.g. s390x) and by putting it into
generated_files it could actually hurt the build speed because everything
will be waiting on insn-automata.c generation for 1-2 minutes or how long
before anything else can be built.
Jakub
