C++ (Cpp) vfmsq_lane_f64示例

示例#1

文件： arm64_vfma.c 项目： VanirLLVM/toolchain_clang

float64x2_t test_vfmsq_lane_f64(float64x2_t a1, float64x2_t a2, float64x1_t a3) {
  // CHECK: test_vfmsq_lane_f64
  return vfmsq_lane_f64(a1, a2, a3, 0);
  // NB: the test below is deliberately lose, so that we don't depend too much
  // upon the exact IR used to select lane 1 (usually a shufflevector)
  // CHECK: [[NEG:%.*]] = fsub <1 x double> {{.*}}, %a3
  // CHECK: [[LANE:%.*]] = shufflevector <1 x double> [[NEG]]
  // CHECK: llvm.fma.v2f64(<2 x double> {{.*}}, <2 x double> [[LANE]], <2 x double> %a1)
  // CHECK-NEXT: ret
}

示例#2

文件： aarch64-neon-2velem.c 项目： Nanosim-LIG/SPIR

float64x2_t test_vfmsq_lane_f64(float64x2_t a, float64x2_t b, float64x1_t v) {
  // CHECK: test_vfmsq_lane_f64
  return vfmsq_lane_f64(a, b, v, 0);
  // CHECK: fmls {{v[0-9]+}}.2d, {{v[0-9]+}}.2d, {{v[0-9]+}}.d[0]
}