tests/tcg/cris/check_abs.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_abs(int n)
   8 {
   9         int r;
  10         asm ("abs\t%1, %0\n" : "=r" (r) : "r" (n));
  11         return r;
  12 }
  13
  14 static always_inline void
  15 verify_abs(int val, int res,
  16            const int n, const int z, const int v, const int c)
  17 {
  18         int r;
  19
  20         cris_tst_cc_init();
  21         r = cris_abs(val);
  22         cris_tst_cc(n, z, v, c);
  23         if (r != res)
  24                 err();
  25 }
  26
  27 int main(void)
  28 {
  29         verify_abs(-1, 1, 0, 0, 0, 0);
  30         verify_abs(0x80000000, 0x80000000, 1, 0, 0, 0);
  31         verify_abs(0x7fffffff, 0x7fffffff, 0, 0, 0, 0);
  32         verify_abs(42, 42, 0, 0, 0, 0);
  33         verify_abs(1, 1, 0, 0, 0, 0);
  34         verify_abs(0xffff, 0xffff, 0, 0, 0, 0);
  35         verify_abs(0xffff, 0xffff, 0, 0, 0, 0);
  36         verify_abs(-31, 0x1f, 0, 0, 0, 0);
  37         verify_abs(0, 0, 0, 1, 0, 0);
  38         pass();
  39         return 0;
  40 }