gcc/testsuite/gcc.dg/vmx/lde-be-order.c

   1 /* { dg-options "-maltivec=be -mabi=altivec -std=gnu99 -mno-vsx" } */
   2
   3 #include "harness.h"
   4
   5 static unsigned char svuc[16] __attribute__ ((aligned (16)));
   6 static signed char svsc[16] __attribute__ ((aligned (16)));
   7 static unsigned short svus[8] __attribute__ ((aligned (16)));
   8 static signed short svss[8] __attribute__ ((aligned (16)));
   9 static unsigned int svui[4] __attribute__ ((aligned (16)));
  10 static signed int svsi[4] __attribute__ ((aligned (16)));
  11 static float svf[4] __attribute__ ((aligned (16)));
  12
  13 static void init ()
  14 {
  15   int i;
  16 #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
  17   for (i = 15; i >= 0; --i)
  18 #else
  19   for (i = 0; i < 16; ++i)
  20 #endif
  21     {
  22       svuc[i] = i;
  23       svsc[i] = i - 8;
  24     }
  25 #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
  26   for (i = 7; i >= 0; --i)
  27 #else
  28   for (i = 0; i < 8; ++i)
  29 #endif
  30     {
  31       svus[i] = i;
  32       svss[i] = i - 4;
  33     }
  34 #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
  35   for (i = 3; i >= 0; --i)
  36 #else
  37   for (i = 0; i < 4; ++i)
  38 #endif
  39     {
  40       svui[i] = i;
  41       svsi[i] = i - 2;
  42       svf[i] = i * 1.0f;
  43     }
  44 }
  45
  46 static void test ()
  47 {
  48   vector unsigned char vuc;
  49   vector signed char vsc;
  50   vector unsigned short vus;
  51   vector signed short vss;
  52   vector unsigned int vui;
  53   vector signed int vsi;
  54   vector float vf;
  55
  56   init ();
  57
  58   vuc = vec_lde (9*1, (unsigned char *)svuc);
  59   vsc = vec_lde (14*1, (signed char *)svsc);
  60   vus = vec_lde (7*2, (unsigned short *)svus);
  61   vss = vec_lde (1*2, (signed short *)svss);
  62   vui = vec_lde (3*4, (unsigned int *)svui);
  63   vsi = vec_lde (2*4, (signed int *)svsi);
  64   vf  = vec_lde (0*4, (float *)svf);
  65
  66   check (vec_extract (vuc, 9) == 9, "vuc");
  67   check (vec_extract (vsc, 14) == 6, "vsc");
  68   check (vec_extract (vus, 7) == 7, "vus");
  69   check (vec_extract (vss, 1) == -3, "vss");
  70   check (vec_extract (vui, 3) == 3, "vui");
  71   check (vec_extract (vsi, 2) == 0, "vsi");
  72   check (vec_extract (vf,  0) == 0.0, "vf");
  73 }