+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
--- /dev/null
+/* 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 } } */