gcc/testsuite/gcc.target/i386/sse4_2-pcmpestrm-1.c

   1 /* { dg-do run } */
   2 /* { dg-require-effective-target sse4 } */
   3 /* { dg-options "-O2 -msse4.2" } */
   4
   5 #include "sse4_2-check.h"
   6 #include "sse4_2-pcmpstr.h"
   7
   8 #define NUM 1024
   9
  10 #define IMM_VAL0 \
  11   (_SIDD_SBYTE_OPS | _SIDD_CMP_RANGES | _SIDD_MASKED_POSITIVE_POLARITY)
  12 #define IMM_VAL1 \
  13   (_SIDD_UBYTE_OPS | _SIDD_CMP_EQUAL_EACH | _SIDD_NEGATIVE_POLARITY \
  14    | _SIDD_BIT_MASK)
  15 #define IMM_VAL2 \
  16   (_SIDD_UWORD_OPS | _SIDD_CMP_EQUAL_ANY | _SIDD_MASKED_NEGATIVE_POLARITY)
  17 #define IMM_VAL3 \
  18   (_SIDD_SWORD_OPS | _SIDD_CMP_EQUAL_ORDERED \
  19    | _SIDD_MASKED_NEGATIVE_POLARITY | _SIDD_UNIT_MASK)
  20
  21
  22 static void
  23 sse4_2_test (void)
  24 {
  25   union
  26     {
  27       __m128i x[NUM];
  28       char c[NUM *16];
  29     } src1, src2;
  30   __m128i res, correct;
  31   int l1, l2;
  32   int i;
  33
  34   for (i = 0; i < NUM *16; i++)
  35     {
  36       src1.c[i] = rand ();
  37       src2.c[i] = rand ();
  38     }
  39
  40   for (i = 0; i < NUM; i++)
  41     {
  42       l1 = rand () % 18;
  43       l2 = rand () % 18;
  44
  45       switch((rand() % 4))
  46         {
  47         case 0:
  48           res  = _mm_cmpestrm (src1.x[i], l1, src2.x[i], l2, IMM_VAL0);
  49           correct = cmp_em (&src1.x[i], l1, &src2.x[i], l2, IMM_VAL0,
  50                             NULL);
  51           break;
  52
  53         case 1:
  54           res  = _mm_cmpestrm (src1.x[i], l1, src2.x[i], l2, IMM_VAL1);
  55           correct = cmp_em (&src1.x[i], l1, &src2.x[i], l2, IMM_VAL1,
  56                             NULL);
  57           break;
  58
  59         case 2:
  60           res  = _mm_cmpestrm (src1.x[i], l1, src2.x[i], l2, IMM_VAL2);
  61           correct = cmp_em (&src1.x[i], l1, &src2.x[i], l2, IMM_VAL2,
  62                             NULL);
  63           break;
  64
  65         default:
  66           res  = _mm_cmpestrm (src1.x[i], l1, src2.x[i], l2, IMM_VAL3);
  67           correct = cmp_em (&src1.x[i], l1, &src2.x[i], l2, IMM_VAL3,
  68                             NULL);
  69           break;
  70         }
  71
  72       if (memcmp (&correct, &res, sizeof (res)))
  73         abort ();
  74     }
  75 }