The test case works on S/390 too, but only with -march=z13 or later
(i.e. if Gcc can make use of hardware vector support). Otherwise the
optimization gets too complex. The attached patch forces Gcc to use
-march=z13 instead of xfail'ing the test on S/390.
gcc/testsuite/ChangeLog
* gcc.dg/tree-ssa/ssa-dom-cse-2.c: Require a hardware vector support for
test to succeed.
From-SVN: r232971
+2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
+
+ * gcc.dg/tree-ssa/ssa-dom-cse-2.c: Require a hardware vector
+ support for test to succeed.
+
2016-01-29 Marek Polacek <polacek@redhat.com>
PR c++/69509
/* { dg-do compile } */
/* { dg-options "-O3 -fno-tree-fre -fno-tree-pre -fdump-tree-optimized --param sra-max-scalarization-size-Ospeed=32" } */
+/* S390 needs hardware vector support for this to work (the optimization gets
+ * too complex without it.
+ * { dg-additional-options "-march=z13" { target { s390*-*-* } } } */
+
int
foo ()