Archipelago » qemu

#include <stdio.h>

int main(void)

{

    int a, b;

    int result;

    a = 0;

    result = 1;

    __asm

    ("1:\n\t"

     "l.addi   %0, %0, 1\n\t"

     "l.sfgeui %0, 0x3\n\t"

     "l.bf 1b\n\t"

     "l.nop\n\t"

     : "+r"(a)

    );

    if (a != result) {

        printf("sfgeui error\n");

        return -1;

    }

    a = 0xff;

    b = 1;

    result = 2;

    __asm

    ("1:\n\t"

     "l.sub    %0, %0, %1\n\t"

     "l.sfgeui %0, 0x3\n\t"

     "l.bf 1b\n\t"

     "l.nop\n\t"

     : "+r"(a)

     : "r"(b)

    );

    if (a != result) {

        printf("sfgeui error\n");

        return -1;

    }

    return 0;

}