Function wasmS128Const

deps/v8/test/mjsunit/wasm/wasm-module-builder.js:2484–2506

(f)

}

function wasmS128Const(f) {
  // Write in little-endian order at offset 0.
  if (Array.isArray(f)) {
    if (f.length != 16) throw new Error('S128Const needs 16 bytes');
    return [kSimdPrefix, kExprS128Const, ...f];
  }
  let result = [kSimdPrefix, kExprS128Const];
  if (arguments.length === 2) {
    for (let j = 0; j < 2; j++) {
      data_view.setFloat64(0, arguments[j], true);
      for (let i = 0; i < 8; i++) result.push(byte_view[i]);
    }
  } else if (arguments.length === 4) {
    for (let j = 0; j < 4; j++) {
      data_view.setFloat32(0, arguments[j], true);
      for (let i = 0; i < 4; i++) result.push(byte_view[i]);
    }
  } else {
    throw new Error('S128Const needs an array of bytes, or two f64 values, ' +
                    'or four f32 values');
  }
  return result;
}

let wasmEncodeHeapType = function(type) {
  let result = wasmSignedLeb(type.heap_type, kMaxVarInt32Size);