gcc/testsuite/gcc.dg/vect/pr95539.c

   1 /* { dg-do compile } */
   2
   3 typedef unsigned short uint16_t;
   4 typedef short __v8hi __attribute__ ((__vector_size__ (16)));
   5 typedef long long __m128i __attribute__ ((__vector_size__ (16), __may_alias__));
   6 extern __inline __m128i __attribute__((__gnu_inline__, __always_inline__))
   7 _mm_set_epi16 (short __q7, short __q6, short __q5, short __q4,
   8                short __q3, short __q2, short __q1, short __q0)
   9 {
  10   return __extension__ (__m128i)(__v8hi){
  11       __q0, __q1, __q2, __q3, __q4, __q5, __q6, __q7 };
  12 }
  13 void gcm_HashMult_hw(__m128i *x, const unsigned char *buf, unsigned int count)
  14 {
  15   unsigned i;
  16   __m128i bin __attribute__((aligned(16)));
  17   for (i = 0; i < count; i++, buf += 16)
  18     {
  19       bin = _mm_set_epi16(((uint16_t)buf[0] << 8) | buf[1],
  20                           ((uint16_t)buf[2] << 8) | buf[3],
  21                           ((uint16_t)buf[4] << 8) | buf[5],
  22                           ((uint16_t)buf[6] << 8) | buf[7],
  23                           ((uint16_t)buf[8] << 8) | buf[9],
  24                           ((uint16_t)buf[10] << 8) | buf[11],
  25                           ((uint16_t)buf[12] << 8) | buf[13],
  26                           ((uint16_t)buf[14] << 8) | buf[15]);
  27       *(x++) = bin;
  28     }
  29 }