Splitting up gcc/omp-low.c? (was: [hsa 5/10] OpenMP lowering/expansion changes (gridification))

[Thomas Schwinge]

Hi!

I've been meaning to suggest this for some time already:

On Wed, 9 Dec 2015 14:19:30 +0100, Jakub Jelinek <jakub@redhat.com> wrote:
> As for omp-low.c changes, the file is already large enough that it would be
> nice if it is easy to find out what routines are for gridification purposes
> only, use some special prefix (grid_*, ompgrid_*, ...) for all such
> functions?

In addition to that, how about we split up gcc/omp-low.c into several
files?  Would it make sense (I have not yet looked in detail) to do so
along the borders of the several passes defined therein?  Or, can you
tell already that there would be too many cross-references between the
several files to make this infeasible?

I'd suggest to do this shortly before GCC 6 is released, so that
backports from trunk to gcc-6-branch will be easy.  (I assume we don't
have to care for gcc-5-branch backports too much any longer.)

    $ wc -l gcc/*.c | sort -r -n | head
      879881 total
       25770 gcc/dwarf2out.c
       19834 gcc/omp-low.c
       14419 gcc/fold-const.c
       14357 gcc/combine.c
       14003 gcc/tree.c
       11622 gcc/expr.c
       11610 gcc/gimplify.c
       10417 gcc/tree-vrp.c
       10328 gcc/var-tracking.c


Grüße
 Thomas
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