#define nelem(x) (sizeof(x)/sizeof((x)[0]))

typedef uint32_t u32;

static u32 div(u32 x, u32 y, u32 *rp) {
	int n = 0;
	while((y>>(32-1)) != 1 && y < x) {
		y<<=1;
		n++;
	}
	u32 q = 0;
	for(;; n--, y>>=1, q<<=1) {
		if(x>=y) {
			x -= y;
			q |= 1;
		}
		if(n == 0)
			break;
	}
	if(rp)
		*rp = x;
	return q;
}

u32 tests[] = {
	0,
	1,
	2,
	3,
	4,
	5,
	6,
	7,

		bw(b, "\n")
	}
}

func u32(i uint32) string {
	return strconv.FormatUint(uint64(i), 10)
}

func dumpInst(b *strings.Builder, i *Inst) {
	switch i.Op {
	case InstAlt:
		bw(b, "alt -> ", u32(i.Out), ", ", u32(i.Arg))
	case InstAltMatch:
		bw(b, "altmatch -> ", u32(i.Out), ", ", u32(i.Arg))
	case InstCapture:
		bw(b, "cap ", u32(i.Arg), " -> ", u32(i.Out))
	case InstEmptyWidth:

	val64[1] = uint64(*u16)

	// ppc64x:-"MOVWZ\tR\\d+,\\sR\\d+"
	val64[2] = uint64(*u32)
}

func cmp16(u8 *uint8, x32 *int32, u32 *uint32, x64 *int64, u64 *uint64) bool {

	// ppc64x:-"MOVBZ\tR\\d+,\\sR\\d+"
	if uint16(*u8) == val16[0] {
		return true
	}

	// ppc64x:-"MOVHZ\tR\\d+,\\sR\\d+"
	if uint16(*u32>>16) == val16[0] {
		return true
	}

	// ppc64x:-"MOVHZ\tR\\d+,\\sR\\d+"

	// ppc64x:"MTVSRD"
	// mips64/hardfloat:"MOVV\tR.*, F.*"
	return math.Float64frombits(u64+1) + 1
}

func toFloat32(u32 uint32) float32 {
	// amd64:"MOVL\t[^X].*, X.*"
	// arm64:"FMOVS\tR.*, F.*"
	// mips64/hardfloat:"MOVW\tR.*, F.*"
	return math.Float32frombits(u32+1) + 1
}

// Test that comparisons with constants converted to float
// are evaluated at compile-time

func constantCheck64() bool {

// retain the objects that could otherwise be reclaimed by the GC.
type uintptr32 = uint32

// https://github.com/WebAssembly/WASI/blob/a2b96e81c0586125cc4dc79a5be0b78d9a059925/legacy/preview1/docs.md#-size-u32
type size = uint32

// https://github.com/WebAssembly/WASI/blob/a2b96e81c0586125cc4dc79a5be0b78d9a059925/legacy/preview1/docs.md#-errno-variant
type errno = uint32