Fix flipped condition using mpz_sgn.

2010-07-15  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>

	* graphite-cloog-util.c
	(cloog_matrix_to_ppl_constraint): Fix flipped condition.
	* graphite-poly.c
	(psct_scattering_dim_for_loop_depth): Same.

From-SVN: r163137

gcc/ChangeLog

 2010-08-02  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 
+	* graphite-cloog-util.c
+	(cloog_matrix_to_ppl_constraint): Fix flipped condition.
+	* graphite-poly.c
+	(psct_scattering_dim_for_loop_depth): Same.
+
+2010-08-02  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
+
 	* graphite-cloog-util.h: Added cloog.h.
 	* graphite-blocking.c: Removed cloog.h.
 	* graphite-dependences.c: Same.

gcc/ChangeLog.graphite

+2010-07-15  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
+
+	* graphite-cloog-util.c
+	(cloog_matrix_to_ppl_constraint): Fix flipped condition.
+	* graphite-poly.c
+	(psct_scattering_dim_for_loop_depth): Same.
+
 2010-07-07  Sebastian Pop  <sebastian.pop@amd.com>
 
 	* gfortran.dg/graphite/id-20.f: New.

gcc/graphite-cloog-util.c

@@ -187,7 +187,7 @@ cloog_matrix_to_ppl_constraint (CloogMatrix *matrix, int row)
   ppl_Linear_Expression_add_to_inhomogeneous (expr, coef);
   ppl_delete_Coefficient (coef);
 
-  if (mpz_sgn (matrix->p[row][0]))
+  if (mpz_sgn (matrix->p[row][0]) == 0)
     ppl_new_Constraint (&cstr, expr, PPL_CONSTRAINT_TYPE_EQUAL);
   else
     ppl_new_Constraint (&cstr, expr, PPL_CONSTRAINT_TYPE_GREATER_OR_EQUAL);

gcc/graphite-poly.c

@@ -1018,7 +1018,7 @@ psct_scattering_dim_for_loop_depth (poly_bb_p pbb, graphite_dim_t loop_depth)
       ppl_Linear_Expression_coefficient (expr, iter, coef);
       ppl_Coefficient_to_mpz_t (coef, val);
 
-      if (mpz_sgn (val))
+      if (mpz_sgn (val) == 0)
 	{
 	  ppl_delete_Linear_Expression (expr);
 	  continue;