| /* { dg-do run } */ |
| /* { dg-options "-O2 -mstringop-strategy=unrolled_loop -mtune=nocona" } */ |
| |
| #define PATTERN 0xdeadbeef |
| #define SIZE 32 |
| |
| struct S { int i; char str[SIZE]; int j; }; |
| |
| void __attribute__((noclone, noinline)) |
| my_memcpy (char *, const char *, unsigned int); |
| |
| void |
| my_memcpy (char *dst, const char *src, unsigned int len) |
| { |
| if (len < 8) |
| __builtin_abort (); |
| |
| __builtin_memcpy (dst, src, len); |
| } |
| |
| int |
| main (void) |
| { |
| const char str[SIZE]= "1234567890123456789012345678901"; |
| struct S *s = __builtin_malloc (sizeof (struct S)); |
| |
| s->j = PATTERN; |
| my_memcpy (s->str, str, SIZE); |
| if (s->j != PATTERN) |
| __builtin_abort (); |
| |
| return 0; |
| } |
