qemu

FORK: QEMU emulator
git clone https://git.neptards.moe/neptards/qemu.git
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test_sfges.c (658B)

      1 #include <stdio.h>
      2 
      3 int main(void)
      4 {
      5     int a, b, c;
      6     int result;
      7 
      8     a = 0;
      9     b = 3;
     10     result = 1;
     11     __asm
     12     ("1:\n\t"
     13      "l.addi   %0, %0, 1\n\t"
     14      "l.sfges  %0, %1\n\t"
     15      "l.bf 1b\n\t"
     16      "l.nop\n\t"
     17      : "+r"(a)
     18      : "r"(b)
     19     );
     20     if (a != result) {
     21         printf("sfges error\n");
     22         return -1;
     23     }
     24 
     25     a = 0xff;
     26     b = 3;
     27     c = 0x1;
     28     result = 2;
     29     __asm
     30     ("1:\n\t"
     31      "l.sub    %0, %0, %2\n\t"
     32      "l.sfges  %0, %1\n\t"
     33      "l.bf 1b\n\t"
     34      "l.nop\n\t"
     35      : "+r"(a)
     36      : "r"(b), "r"(c)
     37     );
     38     if (a != result) {
     39         printf("sfges error\n");
     40         return -1;
     41     }
     42 
     43     return 0;
     44 }