C++ (Cpp) vdups_lane_f32示例

示例#1

文件： arm64-lanes.c 项目： AlexDenisov/clang

float32_t test_vdups_lane_f32(float32x2_t src) {
  return vdups_lane_f32(src, 0);
  // CHECK-LABEL: @test_vdups_lane_f32
  // CHECK: [[TMP1:%.*]] = bitcast <2 x float> %src to [[TYPE:.*]]
  // CHECK: [[TMP2:%.*]] = bitcast [[TYPE]] [[TMP1]] to <2 x float>
  // CHECK: extractelement <2 x float> [[TMP2]], i32 0

  // CHECK-BE-LABEL: @test_vdups_lane_f32
  // CHECK-BE: [[REV:%.*]] = shufflevector <2 x float> {{.*}}, <2 x i32> <i32 1, i32 0>
  // CHECK-BE: [[TMP1:%.*]] = bitcast <2 x float> [[REV]] to [[TYPE:.*]]
  // CHECK-BE: [[TMP2:%.*]] = bitcast [[TYPE]] [[TMP1]] to <2 x float>
  // CHECK-BE: extractelement <2 x float> [[TMP2]], i32 0
}

示例#2

文件： vdup_lane_2.c 项目： 0day-ci/gcc

wrap_vdups_lane_f32_1 (float32x2_t a)
{
  return vdups_lane_f32 (a, 1);
}

示例#3

文件： vdup_lane_2.c 项目： 0day-ci/gcc

wrap_vdups_lane_f32_0 (float32x2_t dummy, float32x2_t a)
{
  return vdups_lane_f32 (a, 0);
}

示例#4

文件： arm64-lanes.c 项目： 4ntoine/clang

// CHECK-LABEL: @test_vdups_lane_f32
float32_t test_vdups_lane_f32(float32x2_t src) {
  return vdups_lane_f32(src, 0);
  // CHECK: extractelement <2 x float> %src, i32 0
  // CHECK-BE: extractelement <2 x float> %src, i32 1
}

示例#5

文件： aarch64-neon-scalar-copy.c 项目： Bigcheese/clang

// CHECK-LABEL: test_vdups_lane_f32
float32_t test_vdups_lane_f32(float32x2_t a) {
  return vdups_lane_f32(a, 1);
// CHECK: ret
// CHECK-NOT: dup {{s[0-9]+}}, {{v[0-9]+}}.s[1]
}

示例#6

文件： aarch64-neon-scalar-copy.c 项目： LegalizeAdulthood/clang

// CHECK-LABEL: define float @test_vdups_lane_f32(<2 x float> %a) #0 {
// CHECK:   [[TMP0:%.*]] = bitcast <2 x float> %a to <8 x i8>
// CHECK:   [[TMP1:%.*]] = bitcast <8 x i8> [[TMP0]] to <2 x float>
// CHECK:   [[VDUPS_LANE:%.*]] = extractelement <2 x float> [[TMP1]], i32 1
// CHECK:   ret float [[VDUPS_LANE]]
float32_t test_vdups_lane_f32(float32x2_t a) {
  return vdups_lane_f32(a, 1);
}