Move strcmpopt_6.c from gcc.dg to gcc.target/aarch64 and gcc.target/i386.

From-SVN: r263983

gcc/testsuite/ChangeLog

+2018-08-30  Qing Zhao  <qing.zhao@oracle.com>
+
+	PR 86519
+	gcc.dg/strcmpopt_6.c: Remove.
+	gcc.target/aarch64/strcmpopt_6.c: New testcase.
+	gcc.target/i386/strcmpopt_6.c: Likewise.
+
 2018-08-30  Richard Biener  <rguenther@suse.de>
 
 	PR tree-optimization/87147

gcc/testsuite/gcc.target/i386/strcmpopt_6.c

+/* When the specified length exceeds one of the arguments of the call to memcmp, 
+   the call to memcmp should NOT be inlined.  */
+/* { dg-do compile } */
+/* { dg-options "-O2 -Wno-stringop-overflow" } */
+
+typedef struct { char s[8]; int x; } S;
+
+__attribute__ ((noinline)) int
+f1 (S * s)
+{
+  int result = 0;
+  result += __builtin_memcmp (s->s, "a", 3); 
+  return result;
+}
+
+__attribute__ ((noinline)) int
+f2 (char *p)
+{
+  int result = 0;
+  result += __builtin_memcmp (p, "a", 3); 
+  return result;
+}
+
+int main (void)
+{
+  S ss = {{'a','b','c'}, 2};
+  char *s = "abcd";
+
+  if (f1 (&ss) < 0 || f2 (s) < 0)
+    __builtin_abort ();
+
+  return 0;
+
+}
+
+/* { dg-final { scan-assembler-times "memcmp" 2 } } */