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-rw-r--r--gcc/fortran/trans-openmp.cc31
1 files changed, 17 insertions, 14 deletions
diff --git a/gcc/fortran/trans-openmp.cc b/gcc/fortran/trans-openmp.cc
index 84c0184..4ff9c59 100644
--- a/gcc/fortran/trans-openmp.cc
+++ b/gcc/fortran/trans-openmp.cc
@@ -5603,26 +5603,29 @@ gfc_trans_omp_do (gfc_code *code, gfc_exec_op op, stmtblock_t *pblock,
/* Main loop body. */
if (clauses->lists[OMP_LIST_REDUCTION_INSCAN])
{
- gcc_assert (code->block->next->next->op == EXEC_OMP_SCAN);
- gcc_assert (code->block->next->next->next->next == NULL);
- locus *cloc = &code->block->next->next->loc;
- location_t loc = gfc_get_location (cloc);
-
- gfc_code code2 = *code->block->next;
- code2.next = NULL;
- tmp = gfc_trans_code (&code2);
+ gfc_code *code1, *scan, *code2, *tmpcode;
+ code1 = tmpcode = code->block->next;
+ if (tmpcode && tmpcode->op != EXEC_OMP_SCAN)
+ while (tmpcode && tmpcode->next && tmpcode->next->op != EXEC_OMP_SCAN)
+ tmpcode = tmpcode->next;
+ scan = tmpcode->op == EXEC_OMP_SCAN ? tmpcode : tmpcode->next;
+ if (code1 != scan)
+ tmpcode->next = NULL;
+ code2 = scan->next;
+ gcc_assert (scan->op == EXEC_OMP_SCAN);
+ location_t loc = gfc_get_location (&scan->loc);
+
+ tmp = code1 != scan ? gfc_trans_code (code1) : build_empty_stmt (loc);
tmp = build2 (OMP_SCAN, void_type_node, tmp, NULL_TREE);
SET_EXPR_LOCATION (tmp, loc);
gfc_add_expr_to_block (&body, tmp);
input_location = loc;
- tree c = gfc_trans_omp_clauses (&body,
- code->block->next->next->ext.omp_clauses,
- *cloc);
- code2 = *code->block->next->next->next;
- code2.next = NULL;
- tmp = gfc_trans_code (&code2);
+ tree c = gfc_trans_omp_clauses (&body, scan->ext.omp_clauses, scan->loc);
+ tmp = code2 ? gfc_trans_code (code2) : build_empty_stmt (loc);
tmp = build2 (OMP_SCAN, void_type_node, tmp, c);
SET_EXPR_LOCATION (tmp, loc);
+ if (code1 != scan)
+ tmpcode->next = scan;
}
else
tmp = gfc_trans_omp_code (code->block->next, true);