r180128 - in /trunk/gcc: ChangeLog cfgexpand.c ...

[irar@gcc.gnu.org]

Author: irar
Date: Tue Oct 18 09:39:04 2011
New Revision: 180128

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=180128
Log:

	* doc/md.texi (vec_widen_ushiftl_hi, vec_widen_ushiftl_lo,
	vec_widen_sshiftl_hi, vec_widen_sshiftl_lo): Document.
	* tree-pretty-print.c (dump_generic_node): Handle WIDEN_LSHIFT_EXPR,
	VEC_WIDEN_LSHIFT_HI_EXPR and VEC_WIDEN_LSHIFT_LO_EXPR.
	(op_code_prio): Likewise.
	(op_symbol_code): Handle WIDEN_LSHIFT_EXPR.
	* optabs.c (optab_for_tree_code): Handle
	VEC_WIDEN_LSHIFT_HI_EXPR and VEC_WIDEN_LSHIFT_LO_EXPR.
	(init-optabs): Initialize optab codes for vec_widen_u/sshiftl_hi/lo.
	* optabs.h (enum optab_index): Add OTI_vec_widen_u/sshiftl_hi/lo.
	* genopinit.c (optabs): Initialize the new optabs.
	* expr.c (expand_expr_real_2): Handle
	VEC_WIDEN_LSHIFT_HI_EXPR and VEC_WIDEN_LSHIFT_LO_EXPR.
	* gimple-pretty-print.c (dump_binary_rhs): Likewise.
	* tree-vectorizer.h (NUM_PATTERNS): Increase to 8.
	* tree.def (WIDEN_LSHIFT_EXPR, VEC_WIDEN_LSHIFT_HI_EXPR,
	VEC_WIDEN_LSHIFT_LO_EXPR): New.
	* cfgexpand.c (expand_debug_expr): Handle new tree codes.
	* tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
	vect_recog_widen_shift_pattern.
	(vect_handle_widen_mult_by_const): Rename...
	(vect_handle_widen_op_by_const): ...to this.  Handle shifts.
	Add a new argument, update documentation.
	(vect_recog_widen_mult_pattern): Assume that only second
	operand can be constant.  Update call to
	vect_handle_widen_op_by_const.
	(vect_recog_over_widening_pattern): Fix typo.
	(vect_recog_widen_shift_pattern): New.
	* tree-vect-stmts.c (vectorizable_type_promotion): Handle
	widening shifts.
	(supportable_widening_operation): Likewise.
	* tree-inline.c (estimate_operator_cost): Handle new tree codes.
	* tree-vect-generic.c (expand_vector_operations_1): Likewise.
	* tree-cfg.c (verify_gimple_assign_binary): Likewise.
	* config/arm/neon.md (neon_vec_<US>shiftl_<mode>): New.
	(vec_widen_<US>shiftl_lo_<mode>, neon_vec_<US>shiftl_hi_<mode>,
	vec_widen_<US>shiftl_hi_<mode>, neon_vec_<US>shift_left_<mode>):
	Likewise.
	* config/arm/predicates.md (const_neon_scalar_shift_amount_operand):
	New.
	* config/arm/iterators.md (V_innermode): New.
	* tree-vect-slp.c (vect_build_slp_tree): Require same shift operand
	for widening shift.


Added:
    trunk/gcc/testsuite/gcc.dg/vect/vect-widen-shift-s16.c
    trunk/gcc/testsuite/gcc.dg/vect/vect-widen-shift-s8.c
    trunk/gcc/testsuite/gcc.dg/vect/vect-widen-shift-u16.c
    trunk/gcc/testsuite/gcc.dg/vect/vect-widen-shift-u8.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cfgexpand.c
    trunk/gcc/config/arm/iterators.md
    trunk/gcc/config/arm/neon.md
    trunk/gcc/config/arm/predicates.md
    trunk/gcc/doc/md.texi
    trunk/gcc/expr.c
    trunk/gcc/genopinit.c
    trunk/gcc/gimple-pretty-print.c
    trunk/gcc/optabs.c
    trunk/gcc/optabs.h
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/lib/target-supports.exp
    trunk/gcc/tree-cfg.c
    trunk/gcc/tree-inline.c
    trunk/gcc/tree-pretty-print.c
    trunk/gcc/tree-vect-generic.c
    trunk/gcc/tree-vect-patterns.c
    trunk/gcc/tree-vect-slp.c
    trunk/gcc/tree-vect-stmts.c
    trunk/gcc/tree-vectorizer.h
    trunk/gcc/tree.def