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tree-vect-slp.c (vect_bb_slp_scalar_cost): Guard vinfo access on whether the use is in the BB we currently try to vectorize.

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2013-05-29  Richard Biener  <rguenther@suse.de>

	* tree-vect-slp.c (vect_bb_slp_scalar_cost): Guard vinfo
	access on whether the use is in the BB we currently try to
	vectorize.
	(vect_bb_vectorization_profitable_p): Pass the BB we currently
	vectorize to vect_bb_slp_scalar_cost.

From-SVN: r199403
This commit is contained in:
Richard Biener 2013-05-29 08:44:23 +00:00 committed by Richard Biener
parent 6eddf22893
commit 292cba1391
2 changed files with 14 additions and 4 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2013-05-29 Richard Biener <rguenther@suse.de>
* tree-vect-slp.c (vect_bb_slp_scalar_cost): Guard vinfo
access on whether the use is in the BB we currently try to
vectorize.
(vect_bb_vectorization_profitable_p): Pass the BB we currently
vectorize to vect_bb_slp_scalar_cost.
2013-05-29 Richard Biener <rguenther@suse.de>
* tree-vect-slp.c (vect_bb_slp_scalar_cost): New function

10
gcc/tree-vect-slp.c
View File

@ -1904,7 +1904,8 @@ vect_slp_analyze_operations (bb_vec_info bb_vinfo)
update LIFE according to uses of NODE. */
static unsigned
vect_bb_slp_scalar_cost (slp_tree node, vec<bool, va_stack> life)
vect_bb_slp_scalar_cost (basic_block bb,
slp_tree node, vec<bool, va_stack> life)
{
unsigned scalar_cost = 0;
unsigned i;
@ -1931,7 +1932,7 @@ vect_bb_slp_scalar_cost (slp_tree node, vec<bool, va_stack> life)
imm_use_iterator use_iter;
gimple use_stmt;
FOR_EACH_IMM_USE_STMT (use_stmt, use_iter, DEF_FROM_PTR (def_p))
if (!vinfo_for_stmt (use_stmt)
if (gimple_bb (use_stmt) != bb
|| !STMT_VINFO_VECTORIZABLE (vinfo_for_stmt (use_stmt)))
{
life[i] = true;
@ -1956,7 +1957,7 @@ vect_bb_slp_scalar_cost (slp_tree node, vec<bool, va_stack> life)
}
FOR_EACH_VEC_ELT (SLP_TREE_CHILDREN (node), i, child)
scalar_cost += vect_bb_slp_scalar_cost (child, life);
scalar_cost += vect_bb_slp_scalar_cost (bb, child, life);
return scalar_cost;
}
@ -1995,7 +1996,8 @@ vect_bb_vectorization_profitable_p (bb_vec_info bb_vinfo)
vec<bool, va_stack> life;
vec_stack_alloc (bool, life, SLP_INSTANCE_GROUP_SIZE (instance));
life.quick_grow_cleared (SLP_INSTANCE_GROUP_SIZE (instance));
scalar_cost += vect_bb_slp_scalar_cost (SLP_INSTANCE_TREE (instance),
scalar_cost += vect_bb_slp_scalar_cost (BB_VINFO_BB (bb_vinfo),
SLP_INSTANCE_TREE (instance),
life);
life.release ();
}