+2009-07-10 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/40496
+ * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Create
+ the PHI result with a compatible type.
+
2009-07-10 Manuel López-Ibáñez <manu@gcc.gnu.org>
PR 25509
+2009-07-10 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/40496
+ * g++.dg/opt/pr40496.C: New testcase.
+
2009-07-10 Manuel López-Ibáñez <manu@gcc.gnu.org>
PR 25509
--- /dev/null
+// { dg-do compile }
+// { dg-options "-O2 -fprefetch-loop-arrays -msse2" { target i?86-*-* x86_64-*-* } }
+
+struct DOMStringHandle
+{
+ unsigned int fLength;
+ int fRefCount;
+};
+static void *freeListPtr;
+void foo(DOMStringHandle *dsg)
+{
+ int i;
+ for (i = 1; i < 1023; i++)
+ {
+ *(void **) &dsg[i] = freeListPtr;
+ freeListPtr = &dsg[i];
+ }
+}
/* Prefer using original variable as a base for the new ssa name.
This is necessary for virtual ops, and useful in order to avoid
losing debug info for real ops. */
- if (TREE_CODE (next) == SSA_NAME)
+ if (TREE_CODE (next) == SSA_NAME
+ && useless_type_conversion_p (TREE_TYPE (next),
+ TREE_TYPE (init)))
var = SSA_NAME_VAR (next);
- else if (TREE_CODE (init) == SSA_NAME)
+ else if (TREE_CODE (init) == SSA_NAME
+ && useless_type_conversion_p (TREE_TYPE (init),
+ TREE_TYPE (next)))
var = SSA_NAME_VAR (init);
+ else if (useless_type_conversion_p (TREE_TYPE (next), TREE_TYPE (init)))
+ {
+ var = create_tmp_var (TREE_TYPE (next), "unrinittmp");
+ add_referenced_var (var);
+ }
else
{
var = create_tmp_var (TREE_TYPE (init), "unrinittmp");