tm.texi: Regenerate.

2012-07-13  Bill Schmidt  <wschmidt@linux.ibm.com>

	* doc/tm.texi: Regenerate.
	* doc/tm.texi.in (TARGET_VECTORIZE_INIT_COST): New hook.
	(TARGET_VECTORIZE_ADD_STMT_COST): Likewise.
	(TARGET_VECTORIZE_FINISH_COST): Likewise.
	(TARGET_VECTORIZE_DESTROY_COST_DATA): Likewise.
	* targhooks.c (default_init_cost): New function.
	(default_add_stmt_cost): Likewise.
	(default_finish_cost): Likewise.
	(default_destroy_cost_data): Likewise.
	* targhooks.h (default_init_cost): New decl.
	(default_add_stmt_cost): Likewise.
	(default_finish_cost): Likewise.
	(default_destroy_cost_data): Likewise.
	* target.def (init_cost): New DEFHOOK.
	(add_stmt_cost): Likewise.
	(finish_cost): Likewise.
	(destroy_cost_data): Likewise.
	* target.h (struct _stmt_vec_info): New extern decl.
	(stmt_vectype): Likewise.
	(stmt_in_inner_loop_p): Likewise.
	* tree-vectorizer.h (stmt_info_for_cost): New struct/typedef.
	(stmt_vector_for_cost): New VEC/typedef.
	(add_stmt_info_to_vec): New function.
	(struct _slp_tree): Remove cost.inside_of_loop field.
	(struct _slp_instance): Remove cost.inside_of_loop field; add
	stmt_cost_vec field.
	(SLP_INSTANCE_INSIDE_OF_LOOP_COST): Remove macro.
	(SLP_INSTANCE_STMT_COST_VEC): New accessor macro.
	(SLP_TREE_INSIDE_OF_LOOP_COST): Remove macro.
	(struct _vect_peel_extended_info): Add stmt_cost_vec field.
	(struct _loop_vec_info): Add target_cost_data field.
	(LOOP_VINFO_TARGET_COST_DATA): New accessor macro.
	(struct _bb_vec_info): Add target_cost_data field.
	(BB_VINFO_TARGET_COST_DATA): New accessor macro.
	(struct _stmt_vec_info): Remove cost.inside_of_loop field.
	(STMT_VINFO_INSIDE_OF_LOOP_COST): Remove macro.
	(stmt_vinfo_set_inside_of_loop_cost): Remove function.
	(init_cost): New function.
	(add_stmt_cost): Likewise.
	(finish_cost): Likewise.
	(destroy_cost_data): Likewise.
	(vect_model_simple_cost): Change parameter list.
	(vect_model_store_cost): Likewise.
	(vect_model_load_cost): Likewise.
	(record_stmt_cost): New extern decl.
	(vect_get_load_cost): Change parameter list.
	(vect_get_store_cost): Likewise.
	* tree-vect-loop.c (new_loop_vec_info): Call init_cost.
	(destroy_loop_vec_info): Call destroy_cost_data.
	(vect_estimate_min_profitable_iters): Remove old calculation of
	inside costs; call finish_cost instead.
	(vect_model_reduction_cost): Call add_stmt_cost instead of old
	inside-costs calculation.
	(vect_model_induction_cost): Likewise.
	* tree-vect-data-refs.c (vect_get_data_access_cost): Change to
	return a stmt_vector_for_cost; modify calls to vect_get_load_cost
	and vect_get_store_cost to obtain the value to return.
	(vect_peeling_hash_get_lowest_cost): Obtain a stmt_cost_vec from
	vect_get_data_access_cost and store it in the minimum peeling
	structure.
	(vect_peeling_hash_choose_best_peeling): Change the parameter list
	to add a (stmt_vector_for_cost *) output parameter, and set its value.
	(vect_enhance_data_refs_alignment): Ignore the new return value from
	calls to vect_get_data_access_cost; obtain stmt_cost_vec from
	vect_peeling_hash_choose_best_peeling and pass its contents to the
	target cost model.
	* tree-vect-stmts.c (stmt_vectype): New function.
	(stmt_in_inner_loop_p): Likewise.
	(record_stmt_cost): Likewise.
	(vect_model_simple_cost): Add stmt_cost_vec parameter; call
	record_stmt_cost instead of old calculation; don't call
	stmt_vinfo_set_inside_of_loop_cost.
	(vect_model_promotion_demotion_cost): Call add_stmt_cost instead of
	old calculation; don't call stmt_vinfo_set_inside_of_loop_cost.
	(vect_model_store_cost): Add stmt_cost_vec parameter; call
	record_stmt_cost instead of old calculation; add stmt_cost_vec
	parameter to vect_get_store_cost call; don't call
	stmt_vinfo_set_inside_of_loop_cost.
	(vect_get_store_cost): Add stmt_cost_vec parameter; call
	record_stmt_cost instead of old calculation.
	(vect_model_load_cost): Add stmt_cost_vec parameter; call
	record_stmt_cost instead of old calculation; add stmt_cost_vec
	parameter to vect_get_load_cost call; don't call
	stmt_vinfo_set_inside_of_loop_cost.
	(vect_get_load_cost): Add stmt_cost_vec parameter; call
	record_stmt_cost instead of old calculation.
	(vectorizable_call): Add NULL parameter to vect_model_simple_cost call.
	(vectorizable_conversion): Likewise.
	(vectorizable_assignment): Likewise.
	(vectorizable_shift): Likewise.
	(vectorizable_operation): Likewise.
	(vectorizable_store): Add NULL parameter to vect_model_store_cost call.
	(vectorizable_load): Add NULL parameter to vect_model_load_cost call.
	(new_stmt_vec_info): Don't set STMT_VINFO_INSIDE_OF_LOOP_COST.
	* config/spu/spu.c (TARGET_VECTORIZE_INIT_COST): New macro def.
	(TARGET_VECTORIZE_ADD_STMT_COST): Likewise.
	(TARGET_VECTORIZE_FINISH_COST): Likewise.
	(TARGET_VECTORIZE_DESTROY_COST_DATA): Likewise.
	(spu_init_cost): New function.
	(spu_add_stmt_cost): Likewise.
	(spu_finish_cost): Likewise.
	(spu_destroy_cost_data): Likewise.
	* config/i386/i386.c (ix86_init_cost): New function.
	(ix86_add_stmt_cost): Likewise.
	(ix86_finish_cost): Likewise.
	(ix86_destroy_cost_data): Likewise.
	(TARGET_VECTORIZE_INIT_COST): New macro def.
	(TARGET_VECTORIZE_ADD_STMT_COST): Likewise.
	(TARGET_VECTORIZE_FINISH_COST): Likewise.
	(TARGET_VECTORIZE_DESTROY_COST_DATA): Likewise.
	* config/rs6000/rs6000.c (TARGET_VECTORIZE_INIT_COST): New macro def.
	(TARGET_VECTORIZE_ADD_STMT_COST): Likewise.
	(TARGET_VECTORIZE_FINISH_COST): Likewise.
	(TARGET_VECTORIZE_DESTROY_COST_DATA): Likewise.
	(rs6000_init_cost): New function.
	(rs6000_add_stmt_cost): Likewise.
	(rs6000_finish_cost): Likewise.
	(rs6000_destroy_cost_data): Likewise.
	* tree-vect-slp.c (vect_free_slp_instance): Free stmt_cost_vec.
	(vect_create_new_slp_node): Don't set SLP_TREE_INSIDE_OF_LOOP_COST.
	(vect_get_and_check_slp_defs): Add stmt_cost_vec parameter; add
	stmt_cost_vec parameter to vect_model_store_cost and
	vect_model_simple_cost calls.
	(vect_build_slp_tree): Remove inside_cost parameter; add stmt_cost_vec
	parameter; add stmt_cost_vec parameter to vect_get_and_check_slp_defs,
	vect_model_load_cost, and recursive vect_build_slp_tree calls; prevent
	calculating cost more than once for loads; remove inside_cost
	parameter from recursive vect_build_slp_tree calls; call
	record_stmt_cost instead of old calculation.
	(vect_analyze_slp_instance): Allocate stmt_cost_vec and save it with
	the instance; free it on premature exit; remove inside_cost parameter
	from vect_build_slp_tree call; add stmt_cost_vec parameter to
	vect_build_slp_tree call; don't set SLP_INSTANCE_INSIDE_OF_LOOP_COST.
	(new_bb_vec_info): Call init_cost.
	(destroy_bb_vec_info): Call destroy_cost_data.
	(vect_bb_vectorization_profitable_p): Call add_stmt_cost for each
	statement recorded with an SLP instance; call finish_cost instead of
	the old calculation.
	(vect_update_slp_costs_according_to_vf): Record statement costs from
	SLP instances, multiplying by the appropriate number of copies; don't
	update SLP_INSTANCE_INSIDE_OF_LOOP_COST.

From-SVN: r189460

1 files changed, 49 insertions, 0 deletions

diff --git a/gcc/target.def b/gcc/target.def
index 42dc591..349604a 100644
--- a/gcc/target.def
+++ b/gcc/target.def
@@ -1049,6 +1049,55 @@ DEFHOOK
  (const_tree mem_vectype, const_tree index_type, int scale),
  NULL)
 
+/* Target function to initialize the cost model for a loop or block.  */
+DEFHOOK
+(init_cost,
+ "This hook should initialize target-specific data structures in preparation "
+ "for modeling the costs of vectorizing a loop or basic block.  The default "
+ "allocates an unsigned integer for accumulating a single cost.  "
+ "If @var{loop_info} is non-NULL, it identifies the loop being vectorized; "
+ "otherwise a single block is being vectorized.",
+ void *,
+ (struct loop *loop_info),
+ default_init_cost)
+
+/* Target function to record N statements of the given kind using the
+   given vector type within the cost model data for the current loop
+   or block.  */
+DEFHOOK
+(add_stmt_cost,
+ "This hook should update the target-specific @var{data} in response to "
+ "adding @var{count} copies of the given @var{kind} of statement to the "
+ "body of a loop or basic block.  The default adds the builtin vectorizer "
+ "cost for the copies of the statement to the accumulator, and returns "
+ "the amount added.  The return value should be viewed as a tentative "
+ "cost that may later be overridden.",
+ unsigned,
+ (void *data, int count, enum vect_cost_for_stmt kind,
+  struct _stmt_vec_info *stmt_info, int misalign),
+ default_add_stmt_cost)
+
+/* Target function to calculate the total cost of the current vectorized
+   loop or block.  */
+DEFHOOK
+(finish_cost,
+ "This hook should complete calculations of the cost of vectorizing a loop "
+ "or basic block based on @var{data}, and return that cost as an unsigned "
+ "integer.  The default returns the value of the accumulator.",
+ unsigned,
+ (void *data),
+ default_finish_cost)
+
+/* Function to delete target-specific cost modeling data.  */
+DEFHOOK
+(destroy_cost_data,
+ "This hook should release @var{data} and any related data structures "
+ "allocated by TARGET_VECTORIZE_INIT_COST.  The default releases the "
+ "accumulator.",
+ void,
+ (void *data),
+ default_destroy_cost_data)
+
 HOOK_VECTOR_END (vectorize)
 
 #undef HOOK_PREFIX