Viewing file:  memset-2.c (2.03 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
/* Funtional setmem test. */
/* { dg-do run } */
/* { dg-options "-O3" } */
#define MAX_LEN (8 * 1000)
__attribute__ ((noinline))
int
check_mem (char *mem, int val, int len)
{
int i;
if (mem[0] != 0x71)
__builtin_abort();
for (i = 1; i <= len; i++)
if (mem[i] != val)
__builtin_abort();
if (mem[len + 1] != 0x71 + (len + 1) % 4)
__builtin_abort();
}
__attribute__ ((noinline))
void
init_mem (char *mem)
{
unsigned int *p;
int i;
p = (unsigned int *)mem;
for (i = 0; i < MAX_LEN / sizeof(unsigned int); i++)
p[i] = 0x71727374;
}
#define MEMSET_CHECK(VAL, SIZE) \
init_mem (mem1); \
__builtin_memset (mem1 + 1, 0, (SIZE)); \
check_mem (mem1, 0, SIZE); \
init_mem (mem2); \
__builtin_memset (mem2 + 1, (VAL), (SIZE)); \
check_mem (mem2, VAL, SIZE);
char mem1[MAX_LEN + 2];
char mem2[MAX_LEN + 2];
int main(int argc, char **argv)
{
int lens[] =
{
256, 257, 258, 259,
512, 513, 514, 515,
768, 769, 770, 771,
1024, 1025, 1026, 1027,
1280, 1281, 1282, 1283,
-999
};
int t;
/* variable length */
for (t = 0; lens[t] != -999; t++)
{
MEMSET_CHECK (argc + 0x10, lens[t]);
}
/* constant length */
MEMSET_CHECK (argc + 0x10, 0);
MEMSET_CHECK (argc + 0x10, 1);
MEMSET_CHECK (argc + 0x10, 2);
MEMSET_CHECK (argc + 0x10, 3);
MEMSET_CHECK (argc + 0x10, 256);
MEMSET_CHECK (argc + 0x10, 257);
MEMSET_CHECK (argc + 0x10, 258);
MEMSET_CHECK (argc + 0x10, 259);
MEMSET_CHECK (argc + 0x10, 512);
MEMSET_CHECK (argc + 0x10, 513);
MEMSET_CHECK (argc + 0x10, 514);
MEMSET_CHECK (argc + 0x10, 515);
MEMSET_CHECK (argc + 0x10, 768);
MEMSET_CHECK (argc + 0x10, 769);
MEMSET_CHECK (argc + 0x10, 770);
MEMSET_CHECK (argc + 0x10, 771);
MEMSET_CHECK (argc + 0x10, 1024);
MEMSET_CHECK (argc + 0x10, 1025);
MEMSET_CHECK (argc + 0x10, 1026);
MEMSET_CHECK (argc + 0x10, 1027);
MEMSET_CHECK (argc + 0x10, 1280);
MEMSET_CHECK (argc + 0x10, 1281);
MEMSET_CHECK (argc + 0x10, 1282);
MEMSET_CHECK (argc + 0x10, 1283);
return 0;
}
|
