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gimple.h (gimple_store_p): New predicate.

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2012-10-30  Richard Biener  <rguenther@suse.de>

	* gimple.h (gimple_store_p): New predicate.
	(gimple_assign_load_p): Likewise.
	* tree-inline.c (estimate_num_insns): Use it.

	* gcc.dg/vect/slp-perm-2.c: Adjust.

From-SVN: r192987
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Richard Biener 2012-10-30 14:14:04 +00:00 • committed by Richard Biener
parent 2e2e628b24
commit c12d924229
5 changed files with 42 additions and 6 deletions
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6
gcc/ChangeLog
View file

@ -1,3 +1,9 @@
2012-10-30 Richard Biener <rguenther@suse.de>
* gimple.h (gimple_store_p): New predicate.
(gimple_assign_load_p): Likewise.
* tree-inline.c (estimate_num_insns): Use it.
2012-10-30 Marc Glisse <marc.glisse@inria.fr>
* fold-const.c (fold_binary_op_with_conditional_arg): Handle vectors.

25
gcc/gimple.h
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@ -2041,6 +2041,31 @@ gimple_assign_single_p (gimple gs)
&& gimple_assign_rhs_class (gs) == GIMPLE_SINGLE_RHS);
}
/* Return true if GS performs a store to its lhs. */
static inline bool
gimple_store_p (gimple gs)
{
tree lhs = gimple_get_lhs (gs);
return lhs && !is_gimple_reg (lhs);
}
/* Return true if GS is an assignment that loads from its rhs1. */
static inline bool
gimple_assign_load_p (gimple gs)
{
tree rhs;
if (!gimple_assign_single_p (gs))
return false;
rhs = gimple_assign_rhs1 (gs);
if (TREE_CODE (rhs) == WITH_SIZE_EXPR)
return true;
rhs = get_base_address (rhs);
return (DECL_P (rhs)
|| TREE_CODE (rhs) == MEM_REF || TREE_CODE (rhs) == TARGET_MEM_REF);
}
/* Return true if S is a type-cast assignment. */

4
gcc/testsuite/ChangeLog
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@ -1,3 +1,7 @@
2012-10-30 Richard Biener <rguenther@suse.de>
* gcc.dg/vect/slp-perm-2.c: Adjust.
2012-10-30 Richard Biener <rguenther@suse.de>
PR tree-optimization/55111

3
gcc/testsuite/gcc.dg/vect/slp-perm-2.c
View file

@ -12,7 +12,8 @@
#define N 16
void foo (unsigned int *__restrict__ pInput, unsigned int *__restrict__ pOutput)
void __attribute__((noinline))
foo (unsigned int *__restrict__ pInput, unsigned int *__restrict__ pOutput)
{
unsigned int i, a, b;

10
gcc/tree-inline.c
View file

@ -3512,12 +3512,12 @@ estimate_num_insns (gimple stmt, eni_weights *weights)
lhs = gimple_assign_lhs (stmt);
rhs = gimple_assign_rhs1 (stmt);
if (is_gimple_reg (lhs))
cost = 0;
else
cost = estimate_move_cost (TREE_TYPE (lhs));
cost = 0;
if (!is_gimple_reg (rhs) && !is_gimple_min_invariant (rhs))
/* Account for the cost of moving to / from memory. */
if (gimple_store_p (stmt))
cost += estimate_move_cost (TREE_TYPE (lhs));
if (gimple_assign_load_p (stmt))
cost += estimate_move_cost (TREE_TYPE (rhs));
cost += estimate_operator_cost (gimple_assign_rhs_code (stmt), weights,