Add Cortex-A15 tuning to gcc.dg/uninit-pred-8_a.c

	PR tree-optimization/78319
	* gcc.dg/uninit-pred-8_a.c: Add -mtune=cortex-a15 for arm.
	Remove xfail.

From-SVN: r244372

gcc/testsuite/ChangeLog

+2017-01-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
+
+	PR tree-optimization/78319
+	* gcc.dg/uninit-pred-8_a.c: Add -mtune=cortex-a15 for arm.
+	Remove xfail.
+
 2017-01-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 
 	PR target/79044

gcc/testsuite/gcc.dg/uninit-pred-8_a.c

 
 /* { dg-do compile } */
 /* { dg-options "-Wuninitialized -O2" } */
+/* Pick a particular tuning to pin down BRANCH_COST.  */
+/* { dg-additional-options "-mtune=cortex-a15" { target arm*-*-* } } */
 
 int g;
 void bar();
@@ -16,9 +18,8 @@ int foo (int n, int l, int m, int r)
   if (m) g++;
   else   bar();
 
-  /* marking this test as xfail on arm-none-eabi, see PR78319.  */
   if ( n ||  m || r || l)
-      blah(v); /* { dg-bogus "uninitialized" "bogus warning" { xfail arm-none-eabi } } */
+      blah(v); /* { dg-bogus "uninitialized" "bogus warning" } */
 
   if ( n )
       blah(v); /* { dg-bogus "uninitialized" "bogus warning" } */