r184787 - in /branches/gcc-4_6-branch/gcc: Chan...

[wschmidt at gcc dot gnu dot org]

Author: wschmidt
Date: Fri Mar  2 14:51:58 2012
New Revision: 184787

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=184787
Log:
2012-03-02  Bill Schmidt <wschmidt@linux.vnet.ibm.com>
	    Ira Rosen <irar@il.ibm.com>

	PR tree-optimization/50031
	PR tree-optimization/50969
	* targhooks.c (default_builtin_vectorization_cost): Handle
	vec_promote_demote.
	* target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
	* tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
	all types of reduction and pattern statements.
	(vect_estimate_min_profitable_iters): Likewise.
	* tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
	(vect_model_store_cost): Use vec_perm rather than vector_stmt for
	statement cost.
	(vect_model_load_cost): Likewise.
	(vect_get_load_cost): Likewise; add dump logic for explicit realigns.
	(vectorizable_type_demotion): Call vect_model_promotion_demotion_cost.
	(vectorizable_type_promotion): Likewise.
	* config/spu/spu.c (spu_builtin_vectorization_cost): Handle
	vec_promote_demote.
	* config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
	* config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
	vec_perm for VSX and handle vec_promote_demote.


Modified:
    branches/gcc-4_6-branch/gcc/ChangeLog
    branches/gcc-4_6-branch/gcc/config/i386/i386.c
    branches/gcc-4_6-branch/gcc/config/rs6000/rs6000.c
    branches/gcc-4_6-branch/gcc/config/spu/spu.c
    branches/gcc-4_6-branch/gcc/target.h
    branches/gcc-4_6-branch/gcc/targhooks.c
    branches/gcc-4_6-branch/gcc/tree-vect-loop.c
    branches/gcc-4_6-branch/gcc/tree-vect-stmts.c