[gcc(refs/vendors/ARM/heads/morello)] testsuite: Fix morello/blockmode_copies.c test

[Matthew Malcomson <matmal01@gcc.gnu.org>]

https://gcc.gnu.org/g:ecfe3af3308c75c155c9c9d00663f9abc9407650

commit ecfe3af3308c75c155c9c9d00663f9abc9407650
Author: Alex Coplan <alex.coplan@arm.com>
Date:   Thu Aug 26 11:24:09 2021 +0100

    testsuite: Fix morello/blockmode_copies.c test
    
    The test was calling memcpy without including <string.h>: this led to
    warnings since we saw an incompatible implicit definition of memcpy.
    Change the test to use __builtin_memcpy instead.

Diff:
---
 gcc/testsuite/gcc.target/aarch64/morello/blockmode_copies.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/gcc/testsuite/gcc.target/aarch64/morello/blockmode_copies.c b/gcc/testsuite/gcc.target/aarch64/morello/blockmode_copies.c
index 5c44b95019d..b33d73a3012 100644
--- a/gcc/testsuite/gcc.target/aarch64/morello/blockmode_copies.c
+++ b/gcc/testsuite/gcc.target/aarch64/morello/blockmode_copies.c
@@ -1,13 +1,13 @@
 /* { dg-do compile { target aarch64*-*-* } } */
 /* { dg-additional-options "-O3" } */
 
-void e(char *x) { memcpy(x, x + 8, 8); }
+void e(char *x) { __builtin_memcpy(x, x + 8, 8); }
 
-void f(char *x) { memcpy(x, x + 16, 16); }
+void f(char *x) { __builtin_memcpy(x, x + 16, 16); }
 
-void g(char *x) { memcpy(x, x + 32, 32); }
+void g(char *x) { __builtin_memcpy(x, x + 32, 32); }
 
-void h(char *x) { memcpy(x, x + 36, 36); }
+void h(char *x) { __builtin_memcpy(x, x + 36, 36); }
 
 int fun(int x)
 {
@@ -16,4 +16,4 @@ int fun(int x)
         goto *a[x++];
     label2:
         return x;
-}
\ No newline at end of file
+}