C++ (Cpp) vfma_laneq_f64 Examples

Example #1

File: aarch64-neon-ranges.c Project: 4ntoine/clang

void test_mul_lane_f64(float64x1_t small, float64x2_t big, float64x2_t rhs) {
  vmul_lane_f64(small, small, 0);
  vmul_laneq_f64(small, big, 1);
  vmulq_lane_f64(big, small, 0);
  vmulq_laneq_f64(big, big, 1);
  vfma_lane_f64(small, small, small, 0);
  vfma_laneq_f64(small, small, big, 1);
  vfmaq_lane_f64(big, big, small, 0);
  vfmaq_laneq_f64(big, big, big, 1);

  vmul_lane_f64(small, small, 1); // expected-error {{argument should be a value from 0 to 0}}
  vmul_laneq_f64(small, big, 2); // expected-error {{argument should be a value from 0 to 1}}
  vfma_lane_f64(small, small, small, 1); // expected-error {{argument should be a value from 0 to 0}}
  vfma_laneq_f64(small, small, big, 2); // expected-error {{argument should be a value from 0 to 1}}
  vfmaq_laneq_f64(big, big, big, 2); // expected-error {{argument should be a value from 0 to 1}}
}

Example #2

File: aarch64-neon-scalar-x-indexed-elem.c Project: AnachroNia/clang

// CHECK-LABEL: define <1 x double> @test_vfma_laneq_f64(<1 x double> %a, <1 x double> %b, <2 x double> %v) #0 {
// CHECK:   [[TMP0:%.*]] = bitcast <1 x double> %a to <8 x i8>
// CHECK:   [[TMP1:%.*]] = bitcast <1 x double> %b to <8 x i8>
// CHECK:   [[TMP2:%.*]] = bitcast <2 x double> %v to <16 x i8>
// CHECK:   [[TMP3:%.*]] = bitcast <8 x i8> [[TMP0]] to double
// CHECK:   [[TMP4:%.*]] = bitcast <8 x i8> [[TMP1]] to double
// CHECK:   [[TMP5:%.*]] = bitcast <16 x i8> [[TMP2]] to <2 x double>
// CHECK:   [[EXTRACT:%.*]] = extractelement <2 x double> [[TMP5]], i32 0
// CHECK:   [[TMP6:%.*]] = call double @llvm.fma.f64(double [[TMP4]], double [[EXTRACT]], double [[TMP3]])
// CHECK:   [[TMP7:%.*]] = bitcast double [[TMP6]] to <1 x double>
// CHECK:   ret <1 x double> [[TMP7]]
float64x1_t test_vfma_laneq_f64(float64x1_t a, float64x1_t b, float64x2_t v) {
  return vfma_laneq_f64(a, b, v, 0);
}

Example #3

File: aarch64-neon-scalar-x-indexed-elem.c Project: VanirLLVM/toolchain_clang

// CHECK-LABEL: test_vfma_laneq_f64
float64x1_t test_vfma_laneq_f64(float64x1_t a, float64x1_t b, float64x2_t v) {
  return vfma_laneq_f64(a, b, v, 0);
  // CHECK: fmla {{d[0-9]+}}, {{d[0-9]+}}, {{v[0-9]+}}.d[0]
}