tests/cris/check_addo.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <stdint.h>
   4 #include "sys.h"
   5 #include "crisutils.h"
   6
   7 /* this would be better to do in asm, it's an orgy in GCC inline asm now.  */
   8
   9 #define cris_addo_b(o, v) \
  10         asm volatile ("addo.b\t[%0], %1, $acr\n" : : "r" (o), "r" (v) : "acr");
  11 #define cris_addo_w(o, v) \
  12         asm volatile ("addo.w\t[%0], %1, $acr\n" : : "r" (o), "r" (v) : "acr");
  13 #define cris_addo_d(o, v) \
  14         asm volatile ("addo.d\t[%0], %1, $acr\n" : : "r" (o), "r" (v) : "acr");
  15 #define cris_addo_pi_b(o, v) \
  16         asm volatile ("addo.b\t[%0+], %1, $acr\n" \
  17                          : "+b" (o): "r" (v) : "acr");
  18 #define cris_addo_pi_w(o, v) \
  19         asm volatile ("addo.w\t[%0+], %1, $acr\n" \
  20                          : "+b" (o): "r" (v) : "acr");
  21 #define cris_addo_pi_d(o, v) \
  22         asm volatile ("addo.d\t[%0+], %1, $acr\n" \
  23                          : "+b" (o): "r" (v) : "acr");
  24
  25 struct {
  26         uint32_t v1;
  27         uint16_t v2;
  28         uint32_t v3;
  29         uint8_t v4;
  30         uint8_t v5;
  31         uint16_t v6;
  32         uint32_t v7;
  33 } y = {
  34         32769,
  35         -1,
  36         5,
  37         3, -4,
  38         2,
  39         -76789887
  40 };
  41
  42 static int x[3] = {0x55aa77ff, 0xccff2244, 0x88ccee19};
  43
  44 int main(void)
  45 {
  46         int *r;
  47         unsigned char *t, *p;
  48
  49         /* Note, this test-case will trig an unaligned access, partly
  50            to x[0] and to [x1].  */
  51         t = (unsigned char *)x;
  52         t -= 32768;
  53         p = (unsigned char *) &y.v1;
  54         mb(); /* dont reorder anything beyond here.  */
  55         cris_tst_cc_init();
  56         asm volatile ("setf\tzvnc\n");
  57         cris_addo_pi_d(p, t);
  58         cris_tst_cc(1, 1, 1, 1);
  59         asm volatile ("move.d\t$acr, %0\n" : "=r" (r));
  60         if (*r != 0x4455aa77)
  61                 err();
  62
  63
  64         t += 32770;
  65         mb(); /* dont reorder anything beyond here.  */
  66         cris_tst_cc_init();
  67         asm volatile ("setf\tzvnc\n");
  68         cris_addo_pi_w(p, t);
  69         cris_tst_cc(1, 1, 1, 1);
  70         asm volatile ("move.d\t$acr, %0\n" : "=r" (r));
  71         if (*r != 0x4455aa77)
  72                 err();
  73
  74         mb(); /* dont reorder anything beyond here.  */
  75         cris_tst_cc_init();
  76         asm volatile ("setf\tzvnc\n");
  77         cris_addo_d(p, r);
  78         cris_tst_cc(1, 1, 1, 1);
  79         p += 4;
  80         asm volatile ("move.d\t$acr, %0\n" : "=r" (r));
  81         if (*r != 0xee19ccff)
  82                 err();
  83
  84         mb(); /* dont reorder anything beyond here.  */
  85         cris_tst_cc_init();
  86         asm volatile ("setf\tzvnc\n");
  87         cris_addo_pi_b(p, t);
  88         cris_tst_cc(1, 1, 1, 1);
  89         asm volatile ("move.d\t$acr, %0\n" : "=r" (r));
  90         if (*(uint16_t*)r != 0xff22)
  91                 err();
  92
  93         mb(); /* dont reorder anything beyond here.  */
  94         cris_tst_cc_init();
  95         asm volatile ("setf\tzvnc\n");
  96         cris_addo_b(p, r);
  97         cris_tst_cc(1, 1, 1, 1);
  98         p += 1;
  99         asm volatile ("move.d\t$acr, %0\n" : "=r" (r));
 100         if (*r != 0x4455aa77)
 101                 err();
 102
 103         mb(); /* dont reorder anything beyond here.  */
 104         cris_tst_cc_init();
 105         asm volatile ("setf\tzvnc\n");
 106         cris_addo_w(p, r);
 107         cris_tst_cc(1, 1, 1, 1);
 108         p += 2;
 109         asm volatile ("move.d\t$acr, %0\n" : "=r" (r));
 110         if (*r != 0xff224455)
 111                 err();
 112
 113         mb(); /* dont reorder anything beyond here.  */
 114         cris_tst_cc_init();
 115         asm volatile ("setf\tzvnc\n");
 116         cris_addo_pi_d(p, t);
 117         cris_tst_cc(1, 1, 1, 1);
 118         asm volatile ("move.d\t$acr, %0\n" : "=r" (r));
 119         r = (void*)(((char *)r) + 76789885);
 120         if (*r != 0x55aa77ff)
 121                 err();
 122
 123         pass();
 124         return 0;
 125 }