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Sourcecode: qemu version File versions

check_addc.c

#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include "sys.h"
#include "crisutils.h"

extern inline int cris_addc(int a, const int b) {
      asm ("addc\t%1, %0\n" : "+r" (a) : "r" (b));
      return a;
}

#define verify_addc(a, b, res, n, z, v, c)  \
{                                           \
      int r;                              \
      r = cris_addc((a), (b));            \
      cris_tst_cc((n), (z), (v), (c));    \
      if (r != (res))                     \
            err();                      \
}

int main(void)
{
      cris_tst_cc_init();
      asm volatile ("clearf cz");
      verify_addc(0, 0, 0, 0, 0, 0, 0);

      cris_tst_cc_init();
      asm volatile ("setf z");
      verify_addc(0, 0, 0, 0, 1, 0, 0);

      cris_tst_cc_init();
      asm volatile ("setf cz");
      verify_addc(0, 0, 1, 0, 0, 0, 0);
      cris_tst_cc_init();
      asm volatile ("clearf c");
      verify_addc(-1, 2, 1, 0, 0, 0, 1);

      cris_tst_cc_init();
      asm volatile ("clearf nzv");
      asm volatile ("setf c");
      verify_addc(-1, 2, 2, 0, 0, 0, 1);

      cris_tst_cc_init();
      asm volatile ("setf c");
      verify_addc(0xffff, 0xffff, 0x1ffff, 0, 0, 0, 0);

      cris_tst_cc_init();
      asm volatile ("clearf nzvc");
      verify_addc(-1, -1, 0xfffffffe, 1, 0, 0, 1);

      cris_tst_cc_init();
      asm volatile ("setf c");
      verify_addc(0x78134452, 0x5432f789, 0xcc463bdc, 1, 0, 1, 0);

      pass();
      return 0;
}

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