// The values will be in an indeterminate order.
func (s _Set[Elem]) Values() []Elem {
	r := make([]Elem, 0, len(s.m))
	for v := range s.m {
		r = append(r, v)
	}
	return r
}

// _Equal reports whether two sets contain the same elements.
func _Equal[Elem comparable](s1, s2 _Set[Elem]) bool {
	if len(s1.m) != len(s2.m) {
		return false
	}
	for v1 := range s1.m {
		if !s2.Contains(v1) {
			return false
		}
	}

		p := pMorestack

		// Save REGCTXT on the stack.
		const tempFrame = 8
		p = appendp(p, AGet, regAddr(REG_SP))
		p = appendp(p, AI32Const, constAddr(tempFrame))
		p = appendp(p, AI32Sub)
		p = appendp(p, ASet, regAddr(REG_SP))
		p.Spadj = tempFrame
		ctxtp := obj.Addr{
			Type:   obj.TYPE_MEM,
			Reg:    REG_SP,
			Offset: 0,
		}
		p = appendp(p, AMOVD, regAddr(REGCTXT), ctxtp)

	REG_F22
	REG_F23
	REG_F24
	REG_F25
	REG_F26
	REG_F27
	REG_F28
	REG_F29
	REG_F30
	REG_F31

	REG_PC_B // also first parameter, i32

	MAXREG

	MINREG  = REG_SP
	REGSP   = REG_SP
	REGCTXT = REG_CTXT
	REGG    = REG_g

func (c *sigctxt) sigcode() uint32 { return uint32(c.info.si_code) }
func (c *sigctxt) sigaddr() uint32 { return uint32(c.info.si_addr) }

func (c *sigctxt) set_eip(x uint32)     { c.regs().mc_eip = x }
func (c *sigctxt) set_esp(x uint32)     { c.regs().mc_esp = x }
func (c *sigctxt) set_sigcode(x uint32) { c.info.si_code = int32(x) }

func (c *sigctxt) sigcode() uint32 { return uint32(c.info.si_code) }
func (c *sigctxt) sigaddr() uint32 {
	return *(*uint32)(add(unsafe.Pointer(c.info), 12))
}

func (c *sigctxt) set_eip(x uint32)     { c.regs().sc_eip = x }
func (c *sigctxt) set_esp(x uint32)     { c.regs().sc_esp = x }
func (c *sigctxt) set_sigcode(x uint32) { c.info.si_code = int32(x) }
func (c *sigctxt) set_sigaddr(x uint32) {
	*(*uint32)(add(unsafe.Pointer(c.info), 12)) = x

func (c *sigctxt) sigcode() uint64 { return uint64(c.info.si_code) }
func (c *sigctxt) sigaddr() uint64 { return c.info.si_addr }

func (c *sigctxt) set_rip(x uint64)     { c.regs().rip = x }
func (c *sigctxt) set_rsp(x uint64)     { c.regs().rsp = x }
func (c *sigctxt) set_sigcode(x uint64) { c.info.si_code = int32(x) }
func (c *sigctxt) set_sigaddr(x uint64) {

func (c *sigctxt) pushCall(targetPC, resumePC uintptr) {
	// Make it look like we called target at resumePC.
	sp := uintptr(c.esp())
	sp -= goarch.PtrSize
	*(*uintptr)(unsafe.Pointer(sp)) = resumePC
	c.set_esp(uint32(sp))
	c.set_eip(uint32(targetPC))

func (c *sigctxt) sigcode() uint32 { return uint32(c.info._code) }
func (c *sigctxt) sigaddr() uint32 {
	return *(*uint32)(unsafe.Pointer(&c.info._reason[0]))
}

func (c *sigctxt) set_eip(x uint32)     { c.regs().__gregs[_REG_EIP] = x }
func (c *sigctxt) set_esp(x uint32)     { c.regs().__gregs[_REG_UESP] = x }
func (c *sigctxt) set_sigcode(x uint32) { c.info._code = int32(x) }
func (c *sigctxt) set_sigaddr(x uint32) {

func (c *sigctxt) sp() uintptr { return uintptr(c.u.sp) }
func (c *sigctxt) lr() uintptr { return uintptr(c.u.link) }

func (c *sigctxt) setpc(x uintptr)  { c.u.pc = uint32(x) }
func (c *sigctxt) setsp(x uintptr)  { c.u.sp = uint32(x) }
func (c *sigctxt) setlr(x uintptr)  { c.u.link = uint32(x) }
func (c *sigctxt) savelr(x uintptr) { c.u.r0 = uint32(x) }

func dumpregs(u *ureg) {
	print("r0    ", hex(u.r0), "\n")

	REG_DL
	REG_BL
	REG_SPB
	REG_BPB
	REG_SIB
	REG_DIB
	REG_R8B
	REG_R9B
	REG_R10B
	REG_R11B
	REG_R12B
	REG_R13B
	REG_R14B
	REG_R15B

	REG_AX
	REG_CX
	REG_DX
	REG_BX
	REG_SP
	REG_BP
	REG_SI
	REG_DI
	REG_R8
	REG_R9
	REG_R10
	REG_R11
	REG_R12
	REG_R13
	REG_R14
	REG_R15

	REG_AH
	REG_CH
	REG_DH
	REG_BH

	REG_F0
	REG_F1
	REG_F2
	REG_F3