gcc/

[pf3gnuchains/gcc-fork.git] / gcc / graphite-ppl.h

diff --git a/gcc/graphite-ppl.h b/gcc/graphite-ppl.h
index f6c279b..5820e19 100644 (file)
--- a/gcc/graphite-ppl.h
+++ b/gcc/graphite-ppl.h
@@ -47,6 +47,8 @@ void ppl_min_for_le_pointset (ppl_Pointset_Powerset_C_Polyhedron_t,
 ppl_Constraint_t ppl_build_relation (int, int, int, int,
                                     enum ppl_enum_Constraint_Type);
 void debug_gmp_value (mpz_t);
+bool ppl_powerset_is_empty (ppl_Pointset_Powerset_C_Polyhedron_t);
+
 
 /* Assigns to RES the value of the INTEGER_CST T.  */
 
@@ -122,6 +124,17 @@ ppl_set_coef_tree (ppl_Linear_Expression_t e, ppl_dimension_type i, tree x)
   mpz_clear (v);
 }
 
+/* Sets RES to the min of V1 and V2.  */
+
+static inline void
+value_min (mpz_t res, mpz_t v1, mpz_t v2)
+{
+  if (mpz_cmp (v1, v2) < 0)
+    mpz_set (res, v1);
+  else
+    mpz_set (res, v2);
+}
+
 /* Sets RES to the max of V1 and V2.  */
 
 static inline void
@@ -129,7 +142,8 @@ value_max (mpz_t res, mpz_t v1, mpz_t v2)
 {
   if (mpz_cmp (v1, v2) < 0)
     mpz_set (res, v2);
-  mpz_set (res, v1);
+  else
+    mpz_set (res, v1);
 }
 
 /* Builds a new identity map for dimension DIM.  */