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| author | Tom de Vries <tom@codesourcery.com> | 2016-01-11 08:55:16 +0000 |
|---|---|---|
| committer | Tom de Vries <vries@gcc.gnu.org> | 2016-01-11 08:55:16 +0000 |
| commit | e9ff08b28d529ceb14b39f207733c6f5faf833d6 (patch) | |
| tree | ed759a046a604071f6c5e0b55961882b3dfdad5a /gcc | |
| parent | 8064654176c42ba9bb063185a62803fe848fbdd8 (diff) | |
| download | gcc-e9ff08b28d529ceb14b39f207733c6f5faf833d6.zip gcc-e9ff08b28d529ceb14b39f207733c6f5faf833d6.tar.gz gcc-e9ff08b28d529ceb14b39f207733c6f5faf833d6.tar.bz2 | |
Don't parallelize loops if libgomp not supported
2016-01-11 Tom de Vries <tom@codesourcery.com>
PR tree-optimization/69058
* tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
not supported.
From-SVN: r232208
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/tree-parloops.c | 4 |
2 files changed, 10 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c1982b6..e717fc5 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2016-01-11 Tom de Vries <tom@codesourcery.com> + + PR tree-optimization/69058 + * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp + not supported. + 2016-01-11 Andrew Burgess <andrew.burgess@embecosm.com> * config/arc/arc.opt (mdiv-rem): Add period to the end. diff --git a/gcc/tree-parloops.c b/gcc/tree-parloops.c index 5bd9c06..e05cc47 100644 --- a/gcc/tree-parloops.c +++ b/gcc/tree-parloops.c @@ -2836,6 +2836,10 @@ pass_parallelize_loops::execute (function *fun) if (number_of_loops (fun) <= 1) return 0; + tree nthreads = builtin_decl_explicit (BUILT_IN_OMP_GET_NUM_THREADS); + if (nthreads == NULL_TREE) + return 0; + if (parallelize_loops ()) { fun->curr_properties &= ~(PROP_gimple_eomp); |