VADDPS.BCST 2032(DX), Z28, Z29       // 62611c5058aaf0070000
	VADDPS.BCST 2032(DX)(AX*2), Z0, Z29  // 62617c5858ac42f0070000
	VADDPS.BCST 2032(DX)(AX*2), Z1, Z29  // 6261745858ac42f0070000
	// Forced EVEX encoding due to suffixes.
	VADDPD.BCST 2032(DX), X0, X0 // 62f1fd185882f0070000
	VADDPD.BCST 2032(DX), Y0, Y0 // 62f1fd385882f0070000
	// Test new Z-cases one-by-one.
	//
	// Zevex_i_r_k_rm.

		func(r *Reader, delim byte) ([]byte, error) {
			data, err := r.ReadString(delim)
			return []byte(data), err
		},
		// ReadLine doesn't fit the data/pattern easily
		// so we leave it out. It should be covered via
		// the ReadSlice test since ReadLine simply calls
		// ReadSlice, and it's that function that handles
		// the last byte.
	}

	// Try all readers with UnreadByte.
	for rno, read := range readers {

	if p.rewriteCalls(f) {
		// Add `import _cgo_unsafe "unsafe"` after the package statement.
		f.Edit.Insert(f.offset(f.AST.Name.End()), "; import _cgo_unsafe \"unsafe\"")
	}
	p.rewriteRef(f)
}

// loadDefines coerces gcc into spitting out the #defines in use
// in the file f and saves relevant renamings in f.Name[name].Define.
func (p *Package) loadDefines(f *File) {
	var b bytes.Buffer
	b.WriteString(builtinProlog)

}

func (f *fileListEntry) Info() (fs.FileInfo, error) { return f, nil }

func (f *fileListEntry) String() string {
	return fs.FormatDirEntry(f)
}

// toValidName coerces name to be a valid name for fs.FS.Open.
func toValidName(name string) string {
	name = strings.ReplaceAll(name, `\`, `/`)
	p := path.Clean(name)

	p = strings.TrimPrefix(p, "/")

<!-- This is a new package; covered in 6-stdlib/2-unique.md. -->...

			// a[1] is a register number expressed as a constant or register value
			target = &a[2]
			prog.From = a[0]
			if a[0].Type != obj.TYPE_CONST {
				// Legacy code may use a plain constant, accept it, and coerce
				// into a constant. E.g:
				//   BC 4,...
				// into
				//   BC $4,...
				prog.From = obj.Addr{
					Type:   obj.TYPE_CONST,
					Offset: p.getConstant(prog, op, &a[0]),
				}

			}