gcc/testsuite/gcc.target/i386/xop-rotate1-int.c

   1 /* PR target/49411 */
   2 /* { dg-do run } */
   3 /* { dg-require-effective-target xop } */
   4 /* { dg-options "-O2 -mxop" } */
   5
   6 #include "xop-check.h"
   7
   8 #include <x86intrin.h>
   9
  10 extern void abort (void);
  11
  12 union
  13 {
  14   __m128i v;
  15   unsigned char c[16];
  16   unsigned short s[8];
  17   unsigned int i[4];
  18   unsigned long long l[2];
  19 } a, b, c, d;
  20
  21 #define TEST1(F, N, S, SS) \
  22 do {                                                    \
  23   for (i = 0; i < sizeof (a.F) / sizeof (a.F[0]); i++)  \
  24     a.F[i] = i * 17;                                    \
  25   s = _mm_set1_epi##SS (N);                             \
  26   b.v = _mm_roti_epi##S (a.v, N);                       \
  27   c.v = _mm_rot_epi##S (a.v, s);                        \
  28   for (i = 0; i < sizeof (a.F) / sizeof (a.F[0]); i++)  \
  29     {                                                   \
  30       int mask = __CHAR_BIT__ * sizeof (a.F[i]) - 1;    \
  31       d.F[i] = a.F[i] << (N & mask);                    \
  32       if (N & mask)                                     \
  33         d.F[i] |= a.F[i] >> (mask + 1 - (N & mask));    \
  34       if (b.F[i] != c.F[i] || b.F[i] != d.F[i])         \
  35         abort ();                                       \
  36     }                                                   \
  37 } while (0)
  38 #define TEST(N) \
  39   TEST1 (c, N, 8, 8);                                   \
  40   TEST1 (s, N, 16, 16);                                 \
  41   TEST1 (i, N, 32, 32);                                 \
  42   TEST1 (l, N, 64, 64x)
  43
  44 volatile int n;
  45
  46 static void
  47 xop_test (void)
  48 {
  49   unsigned int i;
  50   __m128i s;
  51
  52 #ifndef NON_CONST
  53   TEST (5);
  54   TEST (-5);
  55   TEST (0);
  56   TEST (31);
  57 #else
  58   n = 5; TEST (n);
  59   n = -5; TEST (n);
  60   n = 0; TEST (n);
  61   n = 31; TEST (n);
  62 #endif
  63 }