"RFCI",
	"FCPSGN",
	"FCPSGNCC",
	"FRES",
	"FRESCC",
	"FRIM",
	"FRIMCC",
	"FRIP",
	"FRIPCC",
	"FRIZ",
	"FRIZCC",
	"FRIN",
	"FRINCC",
	"FRSQRTE",
	"FRSQRTECC",
	"FSEL",
	"FSELCC",
	"FSQRT",
	"FSQRTCC",
	"FSQRTS",
	"FSQRTSCC",
	"CNTLZD",
	"CNTLZDCC",
	"CMPW",
	"CMPWU",
	"CMPB",
	"FTDIV",
	"FTSQRT",
	"DIVD",
	"DIVDCC",
	"DIVDE",

func cmovint(c int) int {
	x := c + 4
	if x < 0 {
		x = 182
	}
	// amd64:"CMOVQLT"
	// arm64:"CSEL\tLT"
	// ppc64x:"ISEL\t[$]0"
	// wasm:"Select"
	return x
}

func cmovchan(x, y chan int) chan int {
	if x != y {
		x = y
	}
	// amd64:"CMOVQNE"
	// arm64:"CSEL\tNE"
	// ppc64x:"ISEL\t[$]2"
	// wasm:"Select"
	return x
}

func cmovuintptr(x, y uintptr) uintptr {
	if x < y {
		x = -y

// only as long as required to hold the tag with the largest index i. Consequently,
// if no field has a tag, tags may be nil.
func NewStruct(fields []*Var, tags []string) *Struct {
	var fset objset
	for _, f := range fields {
		if f.name != "_" && fset.insert(f) != nil {
			panic("multiple fields with the same name")
		}
	}
	if len(tags) > len(fields) {
		panic("more tags than fields")
	}
	s := &Struct{fields: fields, tags: tags}

	CCMPW HS, R19, R14, $11    <=>    ccmp w19, w14, #0xb, cs

(9) CSEL, CSELW, CSNEG, CSNEGW, CSINC, CSINCW <cond>, <Rn>, <Rm>, <Rd> ;
FCSELD, FCSELS <cond>, <Fn>, <Fm>, <Fd>

Examples:

	CSEL GT, R0, R19, R1        <=>    csel x1, x0, x19, gt
	CSNEGW GT, R7, R17, R8      <=>    csneg w8, w7, w17, gt
	FCSELD EQ, F15, F18, F16    <=>    fcsel d16, d15, d18, eq

(10) TBNZ, TBZ $<imm>, <Rt>, <label>

	// ppc64x/power9:"FCMP","ISEL",-"SETBC\tCR0LT"
	// ppc64x/power8:"FCMP","ISEL",-"SETBC\tCR0LT"
	b := x < y
	return b
}
func TestSetLeFp64(x float64, y float64) bool {
	// ppc64x/power10:"SETBC\tCR0LT","SETBC\tCR0EQ","OR",-"ISEL",-"ISEL"
	// ppc64x/power9:"ISEL","ISEL",-"SETBC\tCR0LT",-"SETBC\tCR0EQ","OR"
	// ppc64x/power8:"ISEL","ISEL",-"SETBC\tCR0LT",-"SETBC\tCR0EQ","OR"
	b := x <= y
	return b

func getFile(fset *token.FileSet, filename string) (file *token.File) {
	fset.Iterate(func(f *token.File) bool {
		if f.Name() == filename {
			if file != nil {
				panic(filename + " used multiple times")
			}
			file = f
		}
		return true
	})
	return file
}

func getPos(fset *token.FileSet, filename string, offset int) token.Pos {
	if f := getFile(fset, filename); f != nil {
		return f.Pos(offset)

// struct fields are never printed.
func Fprint(w io.Writer, fset *token.FileSet, x any, f FieldFilter) error {
	return fprint(w, fset, x, f)
}

func fprint(w io.Writer, fset *token.FileSet, x any, f FieldFilter) (err error) {
	// setup printer
	p := printer{
		output: w,
		fset:   fset,
		filter: f,
		ptrmap: make(map[any]int),
		last:   '\n', // force printing of line number on first line

{{range .}}	{{synopsis .Doc}}
	{{node .Decl $.FSet}}

{{end}}{{end}}{{/*

*/}}{{with .Vars}}
VARIABLES
{{range .}}	{{synopsis .Doc}}
	{{node .Decl $.FSet}}

{{end}}{{end}}{{/*

*/}}{{with .Funcs}}
FUNCTIONS
{{range .}}	{{synopsis .Doc}}
	{{node .Decl $.FSet}}

{{end}}{{end}}{{/*

*/}}{{with .Types}}
TYPES
{{range .}}	{{synopsis .Doc}}
	{{node .Decl $.FSet}}

{{range .Consts}}	{{synopsis .Doc}}

func ExampleGreet_world() {
	Greet("world")
}
`

	// Create the AST by parsing src and test.
	fset := token.NewFileSet()
	files := []*ast.File{
		mustParse(fset, "src.go", src),
		mustParse(fset, "src_test.go", test),
	}

	// Compute package documentation with examples.
	p, err := doc.NewFromFiles(fset, files, "example.com/p")
	if err != nil {
		panic(err)
	}

	conf := types.Config{Importer: importer.Default()}
	_, err = conf.Check("runtime", fset, files, &info)
	if err != nil {
		t.Fatalf("typechecking runtime failed: %v", err)
	}

	// Analyze all atomic.*64 callsites.
	v := Visitor{t: t, fset: fset, types: info.Types, checked: checked}
	ast.Walk(&v, pkg)
}

type Visitor struct {
	fset    *token.FileSet
	types   map[ast.Expr]types.TypeAndValue
	checked map[string]bool