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

   1 /* { dg-do run { target i?86-*-* x86_64-*-* } } */
   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 i;
  32
  33   for (i = 0; i < NUM *16; i++)
  34     {
  35       src1.c[i] = rand ();
  36       src2.c[i] = rand ();
  37     }
  38
  39   for (i = 0; i < NUM; i++)
  40     {
  41       switch((rand() % 4))
  42         {
  43         case 0:
  44           res  = _mm_cmpistrm (src1.x[i], src2.x[i], IMM_VAL0);
  45           correct = cmp_im (&src1.x[i], &src2.x[i], IMM_VAL0, NULL);
  46           break;
  47
  48         case 1:
  49           res  = _mm_cmpistrm (src1.x[i], src2.x[i], IMM_VAL1);
  50           correct = cmp_im (&src1.x[i], &src2.x[i], IMM_VAL1, NULL);
  51           break;
  52
  53         case 2:
  54           res  = _mm_cmpistrm (src1.x[i], src2.x[i], IMM_VAL2);
  55           correct = cmp_im (&src1.x[i], &src2.x[i], IMM_VAL2, NULL);
  56           break;
  57
  58         default:
  59           res  = _mm_cmpistrm (src1.x[i], src2.x[i], IMM_VAL3);
  60           correct = cmp_im (&src1.x[i], &src2.x[i], IMM_VAL3, NULL);
  61           break;
  62         }
  63
  64       if (memcmp (&correct, &res, sizeof (res)))
  65         abort ();
  66     }
  67 }