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check_addo.c

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

/* this would be better to do in asm, it's an orgy in GCC inline asm now.  */

#define cris_addo_b(o, v) \
      asm volatile ("addo.b\t[%0], %1, $acr\n" : : "r" (o), "r" (v) : "acr");
#define cris_addo_w(o, v) \
      asm volatile ("addo.w\t[%0], %1, $acr\n" : : "r" (o), "r" (v) : "acr");
#define cris_addo_d(o, v) \
      asm volatile ("addo.d\t[%0], %1, $acr\n" : : "r" (o), "r" (v) : "acr");
#define cris_addo_pi_b(o, v) \
      asm volatile ("addo.b\t[%0+], %1, $acr\n" \
                         : "+b" (o): "r" (v) : "acr");
#define cris_addo_pi_w(o, v) \
      asm volatile ("addo.w\t[%0+], %1, $acr\n" \
                         : "+b" (o): "r" (v) : "acr");
#define cris_addo_pi_d(o, v) \
      asm volatile ("addo.d\t[%0+], %1, $acr\n" \
                         : "+b" (o): "r" (v) : "acr");

struct {
      uint32_t v1;
      uint16_t v2;
      uint32_t v3;
      uint8_t v4;
      uint8_t v5;
      uint16_t v6;
      uint32_t v7;
} y = {
      32769,
      -1,
      5,
      3, -4,
      2,
      -76789887
};

static int x[3] = {0x55aa77ff, 0xccff2244, 0x88ccee19};

int main(void)
{
      int *r;
      unsigned char *t, *p;

      /* Note, this test-case will trig an unaligned access, partly
         to x[0] and to [x1].  */
      t = (unsigned char *)x;
      t -= 32768;
      p = (unsigned char *) &y.v1;
      mb(); /* dont reorder anything beyond here.  */
      cris_tst_cc_init();
      asm volatile ("setf\tzvnc\n");
      cris_addo_pi_d(p, t);
      cris_tst_cc(1, 1, 1, 1);
      asm volatile ("move.d\t$acr, %0\n" : "=r" (r));
      if (*r != 0x4455aa77)
            err();


      t += 32770;
      mb(); /* dont reorder anything beyond here.  */
      cris_tst_cc_init();
      asm volatile ("setf\tzvnc\n");
      cris_addo_pi_w(p, t);
      cris_tst_cc(1, 1, 1, 1);
      asm volatile ("move.d\t$acr, %0\n" : "=r" (r));
      if (*r != 0x4455aa77)
            err();

      mb(); /* dont reorder anything beyond here.  */
      cris_tst_cc_init();
      asm volatile ("setf\tzvnc\n");
      cris_addo_d(p, r);
      cris_tst_cc(1, 1, 1, 1);
      p += 4;
      asm volatile ("move.d\t$acr, %0\n" : "=r" (r));
      if (*r != 0xee19ccff)
            err();

      mb(); /* dont reorder anything beyond here.  */
      cris_tst_cc_init();
      asm volatile ("setf\tzvnc\n");
      cris_addo_pi_b(p, t);
      cris_tst_cc(1, 1, 1, 1);
      asm volatile ("move.d\t$acr, %0\n" : "=r" (r));
      if (*(uint16_t*)r != 0xff22)
            err();

      mb(); /* dont reorder anything beyond here.  */
      cris_tst_cc_init();
      asm volatile ("setf\tzvnc\n");
      cris_addo_b(p, r);
      cris_tst_cc(1, 1, 1, 1);
      p += 1;
      asm volatile ("move.d\t$acr, %0\n" : "=r" (r));
      if (*r != 0x4455aa77)
            err();

      mb(); /* dont reorder anything beyond here.  */
      cris_tst_cc_init();
      asm volatile ("setf\tzvnc\n");
      cris_addo_w(p, r);
      cris_tst_cc(1, 1, 1, 1);
      p += 2;
      asm volatile ("move.d\t$acr, %0\n" : "=r" (r));
      if (*r != 0xff224455)
            err();

      mb(); /* dont reorder anything beyond here.  */
      cris_tst_cc_init();
      asm volatile ("setf\tzvnc\n");
      cris_addo_pi_d(p, t);
      cris_tst_cc(1, 1, 1, 1);
      asm volatile ("move.d\t$acr, %0\n" : "=r" (r));
      r = (void*)(((char *)r) + 76789885);
      if (*r != 0x55aa77ff)
            err();

      pass();
      return 0;
}

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