1 /* { dg-do compile } */
2 /* { dg-options "-O1 -mmmx -funroll-loops -fvariable-expansion-in-unroller" } */
3 
4 typedef int __m64 __attribute__ ((__vector_size__ (8)));
5 typedef int __v2si __attribute__ ((__vector_size__ (8)));
6 
7 static __inline __m64 __attribute__((__always_inline__))
_mm_add_pi32(__m64 __m1,__m64 __m2)8 _mm_add_pi32 (__m64 __m1, __m64 __m2)
9 {
10   return (__m64) __builtin_ia32_paddd ((__v2si)__m1, (__v2si)__m2);
11 }
12 
13 __m64
simple_block_diff_up_mmx_4(const int width,__m64 ref1)14 simple_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