gcc/testsuite/gcc.target/i386/sse4_1-ptest-1.c

   1 /* { dg-do run } */
   2 /* { dg-require-effective-target sse4 } */
   3 /* { dg-options "-O2 -msse4.1" } */
   4
   5 #ifndef CHECK_H
   6 #define CHECK_H "sse4_1-check.h"
   7 #endif
   8
   9 #ifndef TEST
  10 #define TEST sse4_1_test
  11 #endif
  12
  13 #include CHECK_H
  14
  15 #include <smmintrin.h>
  16
  17 static int
  18 make_ptestz (__m128i m, __m128i v)
  19 {
  20   union
  21     {
  22       __m128i x;
  23       unsigned char c[16];
  24     } val, mask;
  25   int i, z;
  26
  27   mask.x = m;
  28   val.x = v;
  29
  30   z = 1;
  31   for (i = 0; i < 16; i++)
  32     if ((mask.c[i] & val.c[i]))
  33       {
  34         z = 0;
  35         break;
  36       }
  37   return z;
  38 }
  39
  40 static int
  41 make_ptestc (__m128i m, __m128i v)
  42 {
  43   union
  44     {
  45       __m128i x;
  46       unsigned char c[16];
  47     } val, mask;
  48   int i, c;
  49
  50   mask.x = m;
  51   val.x = v;
  52
  53   c = 1;
  54   for (i = 0; i < 16; i++)
  55     if ((val.c[i] & ~mask.c[i]))
  56       {
  57         c = 0;
  58         break;
  59       }
  60   return c;
  61 }
  62
  63 static void
  64 TEST (void)
  65 {
  66   union
  67     {
  68       __m128i x;
  69       unsigned int i[4];
  70     } val[4];
  71   int i, j, l;
  72   int res[32];
  73
  74   val[0].i[0] = 0x11111111;
  75   val[0].i[1] = 0x00000000;
  76   val[0].i[2] = 0x00000000;
  77   val[0].i[3] = 0x11111111;
  78
  79   val[1].i[0] = 0x00000000;
  80   val[1].i[1] = 0x11111111;
  81   val[1].i[2] = 0x11111111;
  82   val[1].i[3] = 0x00000000;
  83
  84   val[2].i[0] = 0;
  85   val[2].i[1] = 0;
  86   val[2].i[2] = 0;
  87   val[2].i[3] = 0;
  88
  89   val[3].i[0] = 0xffffffff;
  90   val[3].i[1] = 0xffffffff;
  91   val[3].i[2] = 0xffffffff;
  92   val[3].i[3] = 0xffffffff;
  93
  94   l = 0;
  95   for(i = 0; i < 4; i++)
  96     for(j = 0; j < 4; j++)
  97       {
  98         res[l++] = _mm_testz_si128 (val[j].x, val[i].x);
  99         res[l++] = _mm_testc_si128 (val[j].x, val[i].x);
 100       }
 101
 102   l = 0;
 103   for(i = 0; i < 4; i++)
 104     for(j = 0; j < 4; j++)
 105       {
 106         if (res[l++] != make_ptestz (val[j].x, val[i].x))
 107           abort ();
 108         if (res[l++] != make_ptestc (val[j].x, val[i].x))
 109           abort ();
 110       }
 111
 112   if (res[2] != _mm_testz_si128 (val[1].x, val[0].x))
 113     abort ();
 114
 115   if (res[3] != _mm_testc_si128 (val[1].x, val[0].x))
 116     abort ();
 117 }