sdiv_costs_1.c: Require arm_arch_v8a_ok and add march option.

2017-06-13  Tamar Christina  <tamar.christina@arm.com>

	* gcc.target/arm/sdiv_costs_1.c:
	Require arm_arch_v8a_ok and add march option.

From-SVN: r249148

gcc/testsuite/ChangeLog

+2017-06-13  Tamar Christina  <tamar.christina@arm.com>
+
+	* gcc.target/arm/sdiv_costs_1.c:
+	Require arm_arch_v8a_ok and add march option.
+
 2017-06-13  Martin Liska  <mliska@suse.cz>
 
 	* gcc.dg/tree-ssa/builtin-sprintf-2.c: Adjust scanned pattern.

gcc/testsuite/gcc.target/arm/sdiv_costs_1.c

 /* { dg-do compile } */
-/* { dg-options "-O3" } */
-/* { dg-require-effective-target arm_v8_vfp_ok }  */
+/* { dg-options "-O3 -march=armv8-a" } */
+/* { dg-require-effective-target arm_arch_v8a_ok } */
 
 /* Both sdiv and udiv can be used here, so prefer udiv.  */
 int f1 (unsigned char *p)