1/* { dg-do compile } */
2/* { dg-options "-O1 -mmmx -funroll-loops -fvariable-expansion-in-unroller" } */
3
4typedef int __m64 __attribute__ ((__vector_size__ (8)));
5typedef int __v2si __attribute__ ((__vector_size__ (8)));
6
7static __inline __m64 __attribute__((__always_inline__))
8_mm_add_pi32 (__m64 __m1, __m64 __m2)
9{
10  return (__m64) __builtin_ia32_paddd ((__v2si)__m1, (__v2si)__m2);
11}
12
13__m64
14simple_block_diff_up_mmx_4 (const int width, __m64 ref1)
15{
16  __m64 sum;
17  int count = width >>1;
18  while (count--)
19    sum = _mm_add_pi32 (sum, ref1);
20  return sum;
21}
22