qemu/tests/tcg/openrisc/test_mulu.c

49 lines
722 B
C
Raw Normal View History

#include <stdio.h>
int main(void)
{
int a, b, c;
int result;
b = 0x4;
c = 0x1;
result = 0x4;
__asm
("l.mulu %0, %1, %2\n\t"
: "=r"(a)
: "r"(b), "r"(c)
);
if (a != result) {
printf("mulu error\n");
return -1;
}
b = 0x1;
c = 0x0;
result = 0x0;
__asm
("l.mulu %0, %1, %2\n\t"
: "=r"(a)
: "r"(b), "r"(c)
);
if (a != result) {
printf("mulu error\n");
return -1;
}
b = 0x1;
c = 0xff;
result = 0xff;
__asm
("l.mulu %0, %1, %2\n\t"
: "=r"(a)
: "r"(b), "r"(c)
);
if (a != result) {
printf("mulu error\n");
return -1;
}
return 0;
}