tests/tcg/cris/libc/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 static always_inline int cris_addc(int a, const int b)
   8 {
   9         asm ("addc\t%1, %0\n" : "+r" (a) : "r" (b));
  10         return a;
  11 }
  12
  13 #define verify_addc(a, b, res, n, z, v, c)  \
  14 {                                           \
  15         int r;                              \
  16         r = cris_addc((a), (b));            \
  17         cris_tst_cc((n), (z), (v), (c));    \
  18         if (r != (res))                     \
  19                 err();                      \
  20 }
  21
  22 int main(void)
  23 {
  24         cris_tst_cc_init();
  25         asm volatile ("clearf cz");
  26         verify_addc(0, 0, 0, 0, 0, 0, 0);
  27
  28         cris_tst_cc_init();
  29         asm volatile ("setf z");
  30         verify_addc(0, 0, 0, 0, 1, 0, 0);
  31
  32         cris_tst_cc_init();
  33         asm volatile ("setf cz");
  34         verify_addc(0, 0, 1, 0, 0, 0, 0);
  35         cris_tst_cc_init();
  36         asm volatile ("clearf c");
  37         verify_addc(-1, 2, 1, 0, 0, 0, 1);
  38
  39         cris_tst_cc_init();
  40         asm volatile ("clearf nzv");
  41         asm volatile ("setf c");
  42         verify_addc(-1, 2, 2, 0, 0, 0, 1);
  43
  44         cris_tst_cc_init();
  45         asm volatile ("setf c");
  46         verify_addc(0xffff, 0xffff, 0x1ffff, 0, 0, 0, 0);
  47
  48         cris_tst_cc_init();
  49         asm volatile ("clearf nzvc");
  50         verify_addc(-1, -1, 0xfffffffe, 1, 0, 0, 1);
  51
  52         cris_tst_cc_init();
  53         asm volatile ("setf c");
  54         verify_addc(0x78134452, 0x5432f789, 0xcc463bdc, 1, 0, 1, 0);
  55
  56         pass();
  57         return 0;
  58 }