Add VEC_WIDEN_MULT_EVEN/ODD_EXPR
* tree.def (VEC_WIDEN_MULT_EVEN_EXPR, VEC_WIDEN_MULT_ODD_EXPR): New.
* cfgexpand.c (expand_debug_expr): Handle them.
* expr.c (expand_expr_real_2): Likewise.
* fold-const.c (fold_binary_loc): Likewise.
* gimple-pretty-print.c (dump_binary_rhs): Likewise.
* optabs.c (optab_for_tree_code): Likewise.
* tree-cfg.c (verify_gimple_assign_binary): Likewise.
* tree-inline.c (estimate_operator_cost): Likewise.
* tree-pretty-print.c (dump_generic_node): Likewise.
* tree.c (commutative_tree_code): Likewise.
* tree-vect-generic.c (expand_vector_operations_1): Likewise.
Handle type change before looking up optab.
* optabs.h (OTI_vec_widen_umult_even, OTI_vec_widen_umult_odd): New.
(OTI_vec_widen_smult_even, OTI_vec_widen_smult_odd): New.
(vec_widen_umult_even_optab, vec_widen_umult_odd_optab): New.
(vec_widen_smult_even_optab, vec_widen_smult_odd_optab): New.
* genopinit.c (optabs): Initialize them.
* doc/md.texi: Document them.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@189403 138bc75d-0d04-0410-961f-82ee72b054a4
15 files changed: