diff options
| author | Thomas Koenig <tkoenig@gcc.gnu.org> | 2017-11-05 17:24:37 +0000 |
|---|---|---|
| committer | Thomas Koenig <tkoenig@gcc.gnu.org> | 2017-11-05 17:24:37 +0000 |
| commit | d88412fc5139a0dbecbc8e61a817a088037501f6 (patch) | |
| tree | a619106d5d0f15135e88affa6a1b775ec677d5c2 /gcc/fortran/options.c | |
| parent | 5233d45559d5869fe7dc9705d6c79e6538d8a2ab (diff) | |
| download | gcc-d88412fc5139a0dbecbc8e61a817a088037501f6.zip gcc-d88412fc5139a0dbecbc8e61a817a088037501f6.tar.gz gcc-d88412fc5139a0dbecbc8e61a817a088037501f6.tar.bz2 | |
re PR fortran/82471 (Reorder loop for unfavorable index ordering in DO CONCURRENT and FORALL)
2017-11-05 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/82471
* lang.opt (ffrontend-loop-interchange): New option.
(Wfrontend-loop-interchange): New option.
* options.c (gfc_post_options): Handle ffrontend-loop-interchange.
* frontend-passes.c (gfc_run_passes): Run
optimize_namespace if flag_frontend_optimize or
flag_frontend_loop_interchange are set.
(optimize_namespace): Run functions according to flags set;
also call index_interchange.
(ind_type): New function.
(has_var): New function.
(index_cost): New function.
(loop_comp): New function.
2017-11-05 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/82471
* gfortran.dg/loop_interchange_1.f90: New test.
From-SVN: r254430
Diffstat (limited to 'gcc/fortran/options.c')
| -rw-r--r-- | gcc/fortran/options.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/fortran/options.c b/gcc/fortran/options.c index f7bbd7f..0ee6b78 100644 --- a/gcc/fortran/options.c +++ b/gcc/fortran/options.c @@ -417,6 +417,11 @@ gfc_post_options (const char **pfilename) if (flag_frontend_optimize == -1) flag_frontend_optimize = optimize; + /* Same for front end loop interchange. */ + + if (flag_frontend_loop_interchange == -1) + flag_frontend_loop_interchange = optimize; + if (flag_max_array_constructor < 65535) flag_max_array_constructor = 65535; |