tests/tcg/cris/check_moveq.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <stdint.h>
   4 #include "sys.h"
   5 #include "crisutils.h"
   6
   7 #define cris_moveq(dst, src) \
   8                asm volatile ("moveq %1, %0\n" : "=r" (dst) : "i" (src));
   9
  10
  11
  12 int main(void)
  13 {
  14         int t;
  15
  16         cris_tst_cc_init();
  17         asm volatile ("setf\tzvnc\n");
  18         cris_moveq(t, 10);
  19         cris_tst_cc(1, 1, 1, 1);
  20         if (t != 10)
  21                 err();
  22
  23         /* make sure moveq doesn't clobber the zflag.  */
  24         cris_tst_cc_init();
  25         asm volatile ("setf vnc\n");
  26         asm volatile ("clearf z\n");
  27         cris_moveq(t, 0);
  28         cris_tst_cc(1, 0, 1, 1);
  29         if (t != 0)
  30                 err();
  31
  32         /* make sure moveq doesn't clobber the nflag.
  33            Also check large immediates  */
  34         cris_tst_cc_init();
  35         asm volatile ("setf zvc\n");
  36         asm volatile ("clearf n\n");
  37         cris_moveq(t, -31);
  38         cris_tst_cc(0, 1, 1, 1);
  39         if (t != -31)
  40                 err();
  41
  42         cris_tst_cc_init();
  43         asm volatile ("setf nzvc\n");
  44         cris_moveq(t, 31);
  45         cris_tst_cc(1, 1, 1, 1);
  46         if (t != 31)
  47                 err();
  48
  49         pass();
  50         return 0;
  51 }