diff options
Diffstat (limited to 'gcc/tree-vect-transform.c')
| -rw-r--r-- | gcc/tree-vect-transform.c | 27 |
1 files changed, 16 insertions, 11 deletions
diff --git a/gcc/tree-vect-transform.c b/gcc/tree-vect-transform.c index cdd3acfbb68..852ff19033c 100644 --- a/gcc/tree-vect-transform.c +++ b/gcc/tree-vect-transform.c @@ -727,8 +727,11 @@ get_initial_def_for_reduction (tree stmt, tree init_val, tree *scalar_def) switch (code) { case PLUS_EXPR: - def = INTEGRAL_TYPE_P (type) ? integer_zero_node : - build_real (type, dconst0); + if (INTEGRAL_TYPE_P (type)) + def = build_int_cst (type, 0); + else + def = build_real (type, dconst0); + #ifdef ADJUST_IN_EPILOG /* All the 'nunits' elements are set to 0. The final result will be adjusted by 'init_val' at the loop epilog. */ @@ -746,7 +749,7 @@ get_initial_def_for_reduction (tree stmt, tree init_val, tree *scalar_def) case MAX_EXPR: def = init_val; nelements = nunits; - need_epilog_adjust = false; + need_epilog_adjust = true; break; default: @@ -754,9 +757,7 @@ get_initial_def_for_reduction (tree stmt, tree init_val, tree *scalar_def) } for (i = nelements - 1; i >= 0; --i) - { - t = tree_cons (NULL_TREE, def, t); - } + t = tree_cons (NULL_TREE, def, t); if (nelements == nunits - 1) { @@ -771,11 +772,15 @@ get_initial_def_for_reduction (tree stmt, tree init_val, tree *scalar_def) else vec = build_constructor (vectype, t); - if (need_epilog_adjust) - *scalar_def = init_val; - else - *scalar_def = INTEGRAL_TYPE_P (type) ? integer_zero_node - : build_real (type, dconst0); + if (!need_epilog_adjust) + { + if (INTEGRAL_TYPE_P (type)) + init_val = build_int_cst (type, 0); + else + init_val = build_real (type, dconst0); + } + *scalar_def = init_val; + return vect_init_vector (stmt, vec); } |