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| author | Richard Biener <rguenther@suse.de> | 2015-02-25 13:36:00 +0000 |
|---|---|---|
| committer | Kai Tietz <ktietz@gcc.gnu.org> | 2015-02-25 14:36:00 +0100 |
| commit | 3d9bab5a54c1a0757cd88276f44b6fe6fa7ed51b (patch) | |
| tree | 77f784dfd3b300482c2b6e97adec338ebda5986c /gcc | |
| parent | 94ba1bd56a1d7df075194783cee723bb9b2d0630 (diff) | |
| download | gcc-3d9bab5a54c1a0757cd88276f44b6fe6fa7ed51b.zip gcc-3d9bab5a54c1a0757cd88276f44b6fe6fa7ed51b.tar.gz gcc-3d9bab5a54c1a0757cd88276f44b6fe6fa7ed51b.tar.bz2 | |
re PR tree-optimization/61917 (ICE on valid code at -O3 on x86_64-linux-gnu in vectorizable_reduction, at tree-vect-loop.c:4913)
2015-02-25 Richard Biener <rguenther@suse.de>
Kai Tietz <ktietz@redhat.com>
PR tree-optimization/61917
* tree-vect-loop.c (vectorizable_reduction): Allow
vect_internal_def without reduction to exit graceful.
Co-Authored-By: Kai Tietz <ktietz@redhat.com>
From-SVN: r220966
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/tree-vect-loop.c | 9 |
2 files changed, 13 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e603411..d4304cd 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2015-02-25 Richard Biener <rguenther@suse.de> + Kai Tietz <ktietz@redhat.com> + + PR tree-optimization/61917 + * tree-vect-loop.c (vectorizable_reduction): Allow + vect_internal_def without reduction to exit graceful. + 2015-02-25 Georg-Johann Lay <avr@gjlay.de> PR target/65196 diff --git a/gcc/tree-vect-loop.c b/gcc/tree-vect-loop.c index 3e7c701..5a151fc 100644 --- a/gcc/tree-vect-loop.c +++ b/gcc/tree-vect-loop.c @@ -4981,6 +4981,12 @@ vectorizable_reduction (gimple stmt, gimple_stmt_iterator *gsi, if (!vectype_in) vectype_in = tem; gcc_assert (is_simple_use); + if (!found_nested_cycle_def) + reduc_def_stmt = def_stmt; + + if (gimple_code (reduc_def_stmt) != GIMPLE_PHI) + return false; + if (!(dt == vect_reduction_def || dt == vect_nested_cycle || ((dt == vect_internal_def || dt == vect_external_def @@ -4993,10 +4999,7 @@ vectorizable_reduction (gimple stmt, gimple_stmt_iterator *gsi, gcc_assert (orig_stmt); return false; } - if (!found_nested_cycle_def) - reduc_def_stmt = def_stmt; - gcc_assert (gimple_code (reduc_def_stmt) == GIMPLE_PHI); if (orig_stmt) gcc_assert (orig_stmt == vect_is_simple_reduction (loop_vinfo, reduc_def_stmt, |