re PR tree-optimization/80457 (vectorizable_condition does not update the vectorizer cost model)

[gcc]

2017-05-16  James Greenhalgh  <james.greenhalgh@arm.com>
	    Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR tree-optimization/80457
	* tree-vect-stmts.c (vect_model_simple_cost): Model the cost
	of all arguments to a statement as scalar_to_vec operations.
	(vectorizable_call): Adjust call to vect_model_simple_cost for
	new parameter.
	(vectorizable_conversion): Likewise.
	(vectorizable_assignment): Likewise.
	(vectorizable_shift): Likewise.
	(vectorizable_operation): Likewise.
	(vectorizable_comparison): Likewise.
	(vect_is_simple_cond): Record the def types for operands.
	(vectorizable_condition): Likewise, call vect_model_simple_cost.
	* tree-vectorizer.h (vect_model_simple_cost): Add new parameter
	for statement argument count.

[gcc/testsuite]

2017-05-16  James Greenhalgh  <james.greenhalgh@arm.com>
	    Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR tree-optimization/80457
	* gcc.target/powerpc/pr78604.c: Verify that vectorized COND_EXPRs
	call vect_model_simple_cost.


Co-Authored-By: Bill Schmidt <wschmidt@linux.vnet.ibm.com>

From-SVN: r248130