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speedup compilation

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2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-dependences.c (build_lexicographical_constraint): Stop the
	iteration when the bag of constraints is empty.

From-SVN: r169203
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Sebastian Pop 2011-01-25 06:45:29 +00:00 committed by Sebastian Pop
parent 271fb6fae1
commit 4a40293ae1
3 changed files with 16 additions and 1 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
* graphite-dependences.c (build_lexicographical_constraint): Stop the
iteration when the bag of constraints is empty.
2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
* graphite-poly.c (pbb_remove_duplicate_pdrs): Make it work.

5
gcc/ChangeLog.graphite
View File

@ -1,3 +1,8 @@
2011-01-15 Sebastian Pop <sebastian.pop@amd.com>
* graphite-dependences.c (build_lexicographical_constraint): Stop the
iteration when the bag of constraints is empty.
2011-01-15 Sebastian Pop <sebastian.pop@amd.com>
* graphite-poly.c (pbb_remove_duplicate_pdrs): Make it work.

7
gcc/graphite-dependences.c
View File

@ -334,7 +334,9 @@ dr_equality_constraints (graphite_dim_t dim,
/* Builds scheduling inequality constraints: when DIRECTION is
1 builds a GE constraint,
0 builds an EQ constraint,
-1 builds a LE constraint. */
-1 builds a LE constraint.
DIM is the dimension of the scheduling space.
POS and POS + OFFSET are the dimensions that are related. */
static ppl_Pointset_Powerset_C_Polyhedron_t
build_pairwise_scheduling (graphite_dim_t dim,
@ -417,6 +419,9 @@ build_lexicographical_constraint (ppl_Pointset_Powerset_C_Polyhedron_t bag,
ppl_Pointset_Powerset_C_Polyhedron_intersection_assign (bag, sceq);
ppl_delete_Pointset_Powerset_C_Polyhedron (sceq);
if (ppl_Pointset_Powerset_C_Polyhedron_is_empty (bag))
break;
lex = build_pairwise_scheduling (dim, i + 1, offset, direction);
ppl_Pointset_Powerset_C_Polyhedron_intersection_assign (lex, bag);