bfin-strcmp/test.i

   1 typedef long unsigned int size_t;
   2 extern int printf(__const char *__restrict __format, ...);
   3 size_t errors = 0;
   4 static void check(int thing, int number)
   5 {
   6         if (!thing)
   7                 ++errors;
   8 }
   9 int _strcmp(const char *cs, const char *ct)
  10 {
  11         int __res1, __res2;
  12       __asm__("1:\t%2 = B[%0++] (Z);\n\t" "%3 = B[%1++] (Z);\n\t" "CC = %2 == %3;\n\t" "if ! cc jump 2f;\n\t" "CC = %2;\n\t" "if cc jump 1b (bp);\n\t" "jump.s 3f;\n" "2:\t%2 = %2 - %3;\n" "3:\n": "+&a"(cs), "+&a"(ct), "=&d"(__res1), "=&d"(__res2): :"CC");
  13         return __res1;
  14 }
  15 void test_strcmp(void)
  16 {
  17                 char buf1[0x40], buf2[0x40];
  18                 int i, j;
  19                                 check(_strcmp(buf1 + i, buf2 + j) > 0, 2);
  20 }
  21 int main(int argc, char *argv[])
  22 {
  23         test_strcmp();
  24         if (errors == 0) {
  25         } else {
  26                 printf("TEST FAIL.\n");
  27         }
  28 }