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