2010-07-02 Richard Guenther <rguenther@suse.de>
* tree-data-ref.c (initialize_data_dependence_relation): Handle
mismatching number of dimensions properly.
* g++.dg/torture/
20100702-1.C: New testcase.
From-SVN: r161705
+2010-07-02 Richard Guenther <rguenther@suse.de>
+
+ * tree-data-ref.c (initialize_data_dependence_relation): Handle
+ mismatching number of dimensions properly.
+
2010-07-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
PR target/44707
+2010-07-02 Richard Guenther <rguenther@suse.de>
+
+ * g++.dg/torture/20100702-1.C: New testcase.
+
2010-07-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
PR target/44707
--- /dev/null
+// { dg-do compile }
+// { dg-options "-fprefetch-loop-arrays -w" }
+
+class ggPoint3 {
+public:
+ ggPoint3();
+ inline double &x() {
+ return e[0];
+ }
+ inline double &y() {
+ return e[1];
+ }
+ ggPoint3(const ggPoint3 &p);
+ double e[3];
+};
+class ggBox3 {
+public:
+ ggPoint3 min() const;
+};
+class ggHAffineMatrix3;
+ggPoint3 operator*(const ggHAffineMatrix3 &m, const ggPoint3 &v);
+void foo (ggPoint3 *);
+void SetMatrix(ggHAffineMatrix3& toworld, ggBox3& box)
+{
+ ggPoint3 p[2][2][2];
+ int i, j, k;
+ for (i = 0; i < 2; j++)
+ for (k = 0; k < 2; k++)
+ {
+ if (i == 0)
+ p[i][j][k].x() = box.min().x();
+ if (j == 0)
+ p[i][j][k].y() = box.min().y();
+ p[i][j][k] = toworld * p[i][j][k];
+ }
+ foo (&p[0][0][0]);
+}
return res;
}
- gcc_assert (DR_NUM_DIMENSIONS (a) == DR_NUM_DIMENSIONS (b));
+ /* If the number of dimensions of the access to not agree we can have
+ a pointer access to a component of the array element type and an
+ array access while the base-objects are still the same. Punt. */
+ if (DR_NUM_DIMENSIONS (a) != DR_NUM_DIMENSIONS (b))
+ {
+ DDR_ARE_DEPENDENT (res) = chrec_dont_know;
+ return res;
+ }
DDR_AFFINE_P (res) = true;
DDR_ARE_DEPENDENT (res) = NULL_TREE;