diff options
Diffstat (limited to 'gcc/tree-vectorizer.c')
| -rw-r--r-- | gcc/tree-vectorizer.c | 18 |
1 files changed, 3 insertions, 15 deletions
diff --git a/gcc/tree-vectorizer.c b/gcc/tree-vectorizer.c index 1e415cb..bc0f11e 100644 --- a/gcc/tree-vectorizer.c +++ b/gcc/tree-vectorizer.c @@ -1787,8 +1787,7 @@ reduction_code_for_scalar_code (enum tree_code code, Conditions 2,3 are tested in vect_mark_stmts_to_be_vectorized. */ tree -vect_is_simple_reduction (struct loop *loop ATTRIBUTE_UNUSED, - tree phi ATTRIBUTE_UNUSED) +vect_is_simple_reduction (struct loop *loop, tree phi) { edge latch_e = loop_latch_edge (loop); tree loop_arg = PHI_ARG_DEF_FROM_EDGE (phi, latch_e); @@ -1930,9 +1929,6 @@ vect_is_simple_reduction (struct loop *loop ATTRIBUTE_UNUSED, && flow_bb_inside_loop_p (loop, bb_for_stmt (def2)) && def1 == phi) { - use_operand_p use; - ssa_op_iter iter; - /* Swap operands (just for simplicity - so that the rest of the code can assume that the reduction variable is always the last (second) argument). */ @@ -1941,16 +1937,8 @@ vect_is_simple_reduction (struct loop *loop ATTRIBUTE_UNUSED, fprintf (vect_dump, "detected reduction: need to swap operands:"); print_generic_expr (vect_dump, operation, TDF_SLIM); } - - /* CHECKME */ - FOR_EACH_SSA_USE_OPERAND (use, def_stmt, iter, SSA_OP_USE) - { - tree tuse = USE_FROM_PTR (use); - if (tuse == op1) - SET_USE (use, op2); - else if (tuse == op2) - SET_USE (use, op1); - } + swap_tree_operands (def_stmt, &TREE_OPERAND (operation, 0), + &TREE_OPERAND (operation, 1)); return def_stmt; } else |