tests/cris/check_addc.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <stdint.h>
   4 #include "sys.h"
   5 #include "crisutils.h"
   6
   7 extern inline int cris_addc(int a, const int b) {
   8         asm ("addc\t%1, %0\n" : "+r" (a) : "r" (b));
   9         return a;
  10 }
  11
  12 #define verify_addc(a, b, res, n, z, v, c)  \
  13 {                                           \
  14         int r;                              \
  15         r = cris_addc((a), (b));            \
  16         cris_tst_cc((n), (z), (v), (c));    \
  17         if (r != (res))                     \
  18                 err();                      \
  19 }
  20
  21 int main(void)
  22 {
  23         cris_tst_cc_init();
  24         asm volatile ("clearf cz");
  25         verify_addc(0, 0, 0, 0, 0, 0, 0);
  26
  27         cris_tst_cc_init();
  28         asm volatile ("setf z");
  29         verify_addc(0, 0, 0, 0, 1, 0, 0);
  30
  31         cris_tst_cc_init();
  32         asm volatile ("setf cz");
  33         verify_addc(0, 0, 1, 0, 0, 0, 0);
  34         cris_tst_cc_init();
  35         asm volatile ("clearf c");
  36         verify_addc(-1, 2, 1, 0, 0, 0, 1);
  37
  38         cris_tst_cc_init();
  39         asm volatile ("clearf nzv");
  40         asm volatile ("setf c");
  41         verify_addc(-1, 2, 2, 0, 0, 0, 1);
  42
  43         cris_tst_cc_init();
  44         asm volatile ("setf c");
  45         verify_addc(0xffff, 0xffff, 0x1ffff, 0, 0, 0, 0);
  46
  47         cris_tst_cc_init();
  48         asm volatile ("clearf nzvc");
  49         verify_addc(-1, -1, 0xfffffffe, 1, 0, 0, 1);
  50
  51         cris_tst_cc_init();
  52         asm volatile ("setf c");
  53         verify_addc(0x78134452, 0x5432f789, 0xcc463bdc, 1, 0, 1, 0);
  54
  55         pass();
  56         return 0;
  57 }