mirror of https://gitee.com/openkylin/qemu.git
89 lines
1.4 KiB
C
89 lines
1.4 KiB
C
#include <unistd.h>
|
|
|
|
#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;
|
|
}
|