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

   1 /* { dg-do run } */
   2 /* { dg-require-effective-target sse4 } */
   3 /* { dg-options "-O2 -msse4.2" } */
   4
   5 #ifndef CHECK_H
   6 #define CHECK_H "sse4_2-check.h"
   7 #endif
   8
   9 #ifndef TEST
  10 #define TEST sse4_2_test
  11 #endif
  12
  13 #include CHECK_H
  14
  15 #include "sse4_2-pcmpstr.h"
  16
  17 #define NUM 1024
  18
  19 #define IMM_VAL0 \
  20   (_SIDD_SBYTE_OPS | _SIDD_CMP_RANGES | _SIDD_MASKED_POSITIVE_POLARITY)
  21 #define IMM_VAL1 \
  22   (_SIDD_UBYTE_OPS | _SIDD_CMP_EQUAL_EACH | _SIDD_NEGATIVE_POLARITY \
  23    | _SIDD_BIT_MASK)
  24 #define IMM_VAL2 \
  25   (_SIDD_UWORD_OPS | _SIDD_CMP_EQUAL_ANY | _SIDD_MASKED_NEGATIVE_POLARITY)
  26 #define IMM_VAL3 \
  27   (_SIDD_SWORD_OPS | _SIDD_CMP_EQUAL_ORDERED \
  28    | _SIDD_MASKED_NEGATIVE_POLARITY | _SIDD_UNIT_MASK)
  29
  30
  31 static void
  32 TEST (void)
  33 {
  34   union
  35     {
  36       __m128i x[NUM];
  37       char c[NUM *16];
  38     } src1, src2;
  39   __m128i res, correct;
  40   int i;
  41
  42   for (i = 0; i < NUM *16; i++)
  43     {
  44       src1.c[i] = rand ();
  45       src2.c[i] = rand ();
  46     }
  47
  48   for (i = 0; i < NUM; i++)
  49     {
  50       switch((rand() % 4))
  51         {
  52         case 0:
  53           res  = _mm_cmpistrm (src1.x[i], src2.x[i], IMM_VAL0);
  54           correct = cmp_im (&src1.x[i], &src2.x[i], IMM_VAL0, NULL);
  55           break;
  56
  57         case 1:
  58           res  = _mm_cmpistrm (src1.x[i], src2.x[i], IMM_VAL1);
  59           correct = cmp_im (&src1.x[i], &src2.x[i], IMM_VAL1, NULL);
  60           break;
  61
  62         case 2:
  63           res  = _mm_cmpistrm (src1.x[i], src2.x[i], IMM_VAL2);
  64           correct = cmp_im (&src1.x[i], &src2.x[i], IMM_VAL2, NULL);
  65           break;
  66
  67         default:
  68           res  = _mm_cmpistrm (src1.x[i], src2.x[i], IMM_VAL3);
  69           correct = cmp_im (&src1.x[i], &src2.x[i], IMM_VAL3, NULL);
  70           break;
  71         }
  72
  73       if (memcmp (&correct, &res, sizeof (res)))
  74         abort ();
  75     }
  76 }