C++ (Cpp) _mm_cvtepu8_epi64 Examples

Example #1

File: sse4_1-pmovzxbq.c Project: IntegerCompany/linaro-android-gcc

static void
sse4_1_test (void)
{
  union
    {
      __m128i x[NUM / 2];
      unsigned long long ll[NUM];
      unsigned char c[NUM * 8];
    } dst, src;
  int i;

  for (i = 0; i < NUM; i++)
    {
      src.c[(i % 2) + (i / 2) * 16] = i * i;
      if ((i % 2))
	src.c[(i % 2) + (i / 2) * 16] |= 0x80;
    }

  for (i = 0; i < NUM; i += 2)
    dst.x [i / 2] = _mm_cvtepu8_epi64 (src.x [i / 2]);

  for (i = 0; i < NUM; i++)
    if (src.c[(i % 2) + (i / 2) * 16] != dst.ll[i])
      abort ();
}

Example #2

File: sse41-builtins.c Project: ashwinma/clang_trunk

__m128i test_mm_cvtepu8_epi64(__m128i a) {
  // CHECK-LABEL: test_mm_cvtepu8_epi64
  // CHECK: call <2 x i64> @llvm.x86.sse41.pmovzxbq(<16 x i8> {{.*}})
  // CHECK-ASM: pmovzxbq %xmm{{.*}}, %xmm{{.*}}
  return _mm_cvtepu8_epi64(a);
}

Example #3

File: sse41-builtins.c Project: JaredCJR/clang

__m128i test_mm_cvtepu8_epi64(__m128i a) {
  // CHECK-LABEL: test_mm_cvtepu8_epi64
  // CHECK: shufflevector <16 x i8> {{.*}}, <16 x i8> {{.*}}, <2 x i32> <i32 0, i32 1>
  // CHECK: zext <2 x i8> {{.*}} to <2 x i64>
  return _mm_cvtepu8_epi64(a);
}