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authorJakub Jelinek <jakub@redhat.com>2017-07-28 09:11:51 +0200
committerJakub Jelinek <jakub@gcc.gnu.org>2017-07-28 09:11:51 +0200
commitd0ee55a1f7ce56b20e9d52904da026a316241930 (patch)
tree77c6765ddf61786720242bb3a9d02a72472e690f /gcc/tree-parloops.c
parent1ce75e415688d0f0bec52cdd8d0fcdaccb5efac5 (diff)
re PR tree-optimization/81578 (ICE in omp_reduction_init_op)
PR tree-optimization/81578 * tree-parloops.c (build_new_reduction): Bail out if reduction_code isn't one of the standard OpenMP reductions. Move the details printing after that decision. * gcc.dg/pr81578.c: New test. From-SVN: r250651
Diffstat (limited to 'gcc/tree-parloops.c')
-rw-r--r--gcc/tree-parloops.c34
1 files changed, 25 insertions, 9 deletions
diff --git a/gcc/tree-parloops.c b/gcc/tree-parloops.c
index 470964bebf7..538932e50bf 100644
--- a/gcc/tree-parloops.c
+++ b/gcc/tree-parloops.c
@@ -2475,23 +2475,39 @@ build_new_reduction (reduction_info_table_type *reduction_list,
gcc_assert (reduc_stmt);
- if (dump_file && (dump_flags & TDF_DETAILS))
- {
- fprintf (dump_file,
- "Detected reduction. reduction stmt is:\n");
- print_gimple_stmt (dump_file, reduc_stmt, 0);
- fprintf (dump_file, "\n");
- }
-
if (gimple_code (reduc_stmt) == GIMPLE_PHI)
{
tree op1 = PHI_ARG_DEF (reduc_stmt, 0);
gimple *def1 = SSA_NAME_DEF_STMT (op1);
reduction_code = gimple_assign_rhs_code (def1);
}
-
else
reduction_code = gimple_assign_rhs_code (reduc_stmt);
+ /* Check for OpenMP supported reduction. */
+ switch (reduction_code)
+ {
+ case PLUS_EXPR:
+ case MULT_EXPR:
+ case MAX_EXPR:
+ case MIN_EXPR:
+ case BIT_IOR_EXPR:
+ case BIT_XOR_EXPR:
+ case BIT_AND_EXPR:
+ case TRUTH_OR_EXPR:
+ case TRUTH_XOR_EXPR:
+ case TRUTH_AND_EXPR:
+ break;
+ default:
+ return;
+ }
+
+ if (dump_file && (dump_flags & TDF_DETAILS))
+ {
+ fprintf (dump_file,
+ "Detected reduction. reduction stmt is:\n");
+ print_gimple_stmt (dump_file, reduc_stmt, 0);
+ fprintf (dump_file, "\n");
+ }
new_reduction = XCNEW (struct reduction_info);