gcc/testsuite/gcc.target/i386/pr57193.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -msse2 -mno-sse3 -mtune=generic" } */
   3 /* { dg-final { scan-assembler-times "movdqa" 2 } } */
   4
   5 #include <emmintrin.h>
   6
   7 void test1(const __m128i* in1, const __m128i* in2, __m128i* out,
   8            __m128i f, __m128i zero)
   9 {
  10         __m128i c = _mm_avg_epu8(*in1, *in2);
  11         __m128i l = _mm_unpacklo_epi8(c, zero);
  12         __m128i h = _mm_unpackhi_epi8(c, zero);
  13         __m128i m = _mm_mulhi_epu16(l, f);
  14         __m128i n = _mm_mulhi_epu16(h, f);
  15         *out = _mm_packus_epi16(m, n);
  16 }