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)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