#ifdef TEST_CMOV | |
#define TEST_COND(N) \ | |
int test_##N (long a) \ | |
{ \ | |
int res = 1; \ | |
\ | |
asm ("cmov"#N" %1,$31,%0" \ | |
: "+r" (res) : "r" (a)); \ | |
return !res; \ | |
} | |
#else | |
#define TEST_COND(N) \ | |
int test_##N (long a) \ | |
{ \ | |
int res = 1; \ | |
\ | |
asm ("b"#N" %1,1f\n\t" \ | |
"addq $31,$31,%0\n\t" \ | |
"1: unop\n" \ | |
: "+r" (res) : "r" (a)); \ | |
return res; \ | |
} | |
#endif | |
TEST_COND(eq) | |
TEST_COND(ne) | |
TEST_COND(ge) | |
TEST_COND(gt) | |
TEST_COND(lbc) | |
TEST_COND(lbs) | |
TEST_COND(le) | |
TEST_COND(lt) | |
static struct { | |
int (*func)(long); | |
long v; | |
int r; | |
} vectors[] = | |
{ | |
{test_eq, 0, 1}, | |
{test_eq, 1, 0}, | |
{test_ne, 0, 0}, | |
{test_ne, 1, 1}, | |
{test_ge, 0, 1}, | |
{test_ge, 1, 1}, | |
{test_ge, -1, 0}, | |
{test_gt, 0, 0}, | |
{test_gt, 1, 1}, | |
{test_gt, -1, 0}, | |
{test_lbc, 0, 1}, | |
{test_lbc, 1, 0}, | |
{test_lbc, -1, 0}, | |
{test_lbs, 0, 0}, | |
{test_lbs, 1, 1}, | |
{test_lbs, -1, 1}, | |
{test_le, 0, 1}, | |
{test_le, 1, 0}, | |
{test_le, -1, 1}, | |
{test_lt, 0, 0}, | |
{test_lt, 1, 0}, | |
{test_lt, -1, 1}, | |
}; | |
int main (void) | |
{ | |
int i; | |
for (i = 0; i < sizeof (vectors)/sizeof(vectors[0]); i++) | |
if ((*vectors[i].func)(vectors[i].v) != vectors[i].r) { | |
write(1, "Failed\n", 7); | |
return 1; | |
} | |
write(1, "OK\n", 3); | |
return 0; | |
} |