p.From.Sym = ctxt.Float32Sym(f32)
			p.From.Name = obj.NAME_EXTERN
			p.From.Offset = 0
		}

	case AMOVD:
		if p.From.Type == obj.TYPE_FCONST && c.chipfloat5(p.From.Val.(float64)) < 0 && (c.chipzero5(p.From.Val.(float64)) < 0 || p.Scond&C_SCOND != C_SCOND_NONE) {
			p.From.Type = obj.TYPE_MEM
			p.From.Sym = ctxt.Float64Sym(p.From.Val.(float64))
			p.From.Name = obj.NAME_EXTERN
			p.From.Offset = 0
		}
	}

		p2.As = AJAL
		p2.To.Type = obj.TYPE_MEM
		p2.To.Reg = REGTMP
	}

	// We only care about global data: NAME_EXTERN means a global
	// symbol in the Go sense, and p.Sym.Local is true for a few
	// internally defined symbols.
	if p.From.Type == obj.TYPE_ADDR && p.From.Name == obj.NAME_EXTERN && !p.From.Sym.Local() {
		// MOVV $sym, Rx becomes MOVV sym@GOT, Rx
		// MOVV $sym+<off>, Rx becomes MOVV sym@GOT, Rx; ADD <off>, Rx

			p.From.Sym = ctxt.Float32Sym(f32)
			p.From.Name = obj.NAME_EXTERN
			p.From.Offset = 0
		}

	case AFMOVD:
		if p.From.Type == obj.TYPE_FCONST {
			f64 := p.From.Val.(float64)
			if math.Float64bits(f64) == 0 { // +0
				break
			}
			p.From.Type = obj.TYPE_MEM
			p.From.Sym = ctxt.Float64Sym(f64)
			p.From.Name = obj.NAME_EXTERN
			p.From.Offset = 0
		}

		// other architectures.
		p = appendp(p, obj.ACALL, constAddr(0))
		if s.Func().Text.From.Sym.NeedCtxt() {
			p.To = obj.Addr{Type: obj.TYPE_MEM, Name: obj.NAME_EXTERN, Sym: morestack}
		} else {
			p.To = obj.Addr{Type: obj.TYPE_MEM, Name: obj.NAME_EXTERN, Sym: morestackNoCtxt}
		}
		p = appendp(p, AEnd)
	}

	// record the branches targeting the entry loop and the unwind exit,

	case obj.ACALL, obj.AJMP, obj.ARET:
		if p.To.Type == obj.TYPE_MEM && (p.To.Name == obj.NAME_EXTERN || p.To.Name == obj.NAME_STATIC) && p.To.Sym != nil {
			p.To.Type = obj.TYPE_BRANCH
		}
	}

	// Rewrite MOVL/MOVQ $XXX(FP/SP) as LEAL/LEAQ.
	if p.From.Type == obj.TYPE_ADDR && (ctxt.Arch.Family == sys.AMD64 || p.From.Name != obj.NAME_EXTERN && p.From.Name != obj.NAME_STATIC) {
		switch p.As {
		case AMOVL:
			p.As = ALEAL

			p.From.Type = obj.TYPE_MEM
			p.From.Sym = c.ctxt.Int32Sym(p.From.Offset)
			p.From.Name = obj.NAME_EXTERN
			p.From.Offset = 0
		}

	case AVMOVD:
		if p.From.Type == obj.TYPE_CONST {
			p.From.Type = obj.TYPE_MEM
			p.From.Sym = c.ctxt.Int64Sym(p.From.Offset)
			p.From.Name = obj.NAME_EXTERN
			p.From.Offset = 0
		}

	case AVMOVQ:
		if p.From.Type == obj.TYPE_CONST {

			p.From.Name = obj.NAME_EXTERN
			p.From.Offset = 0
		}

	case AFMOVD:
		if p.From.Type == obj.TYPE_FCONST {
			f64 := p.From.Val.(float64)
			// Constant not needed in memory for float +/- 0
			if f64 != 0 && !convertFMOVtoXXSPLTIDP(p) {
				p.From.Type = obj.TYPE_MEM
				p.From.Sym = ctxt.Float64Sym(f64)
				p.From.Name = obj.NAME_EXTERN
				p.From.Offset = 0
			}
		}

		{&obj.Addr{Type: obj.TYPE_INDIR, Name: obj.NAME_EXTERN}, Yindir},
		{&obj.Addr{Type: obj.TYPE_INDIR, Name: obj.NAME_GOTREF}, Yindir},

		{&obj.Addr{Type: obj.TYPE_ADDR, Name: obj.NAME_AUTO}, Yiauto},
		{&obj.Addr{Type: obj.TYPE_ADDR, Name: obj.NAME_PARAM}, Yiauto},
		{&obj.Addr{Type: obj.TYPE_ADDR, Name: obj.NAME_EXTERN}, Yiauto},
		{&obj.Addr{Type: obj.TYPE_ADDR, Sym: &obj.LSym{Name: "runtime.duff"}}, Yi32},

			setReg(s, wasm.REG_CTXT)
		}
		if call, ok := v.Aux.(*ssa.AuxCall); ok && call.Fn != nil {
			sym := call.Fn
			p := s.Prog(obj.ACALL)
			p.To = obj.Addr{Type: obj.TYPE_MEM, Name: obj.NAME_EXTERN, Sym: sym}
			p.Pos = v.Pos
			if v.Op == ssa.OpWasmLoweredTailCall {
				p.As = obj.ARET
			}
		} else {
			getValue64(s, v.Args[0])
			p := s.Prog(obj.ACALL)
			p.To = obj.Addr{Type: obj.TYPE_NONE}

		p = pp.Append(p, riscv.AADDI, obj.TYPE_CONST, 0, off, obj.TYPE_REG, riscv.REG_X25, 0)
		p.Reg = riscv.REG_SP
		p = pp.Append(p, obj.ADUFFZERO, obj.TYPE_NONE, 0, 0, obj.TYPE_MEM, 0, 0)
		p.To.Name = obj.NAME_EXTERN
		p.To.Sym = ir.Syms.Duffzero
		p.To.Offset = 8 * (128 - cnt/int64(types.PtrSize))
		return p
	}

	// Loop, zeroing pointer width bytes at a time.
	// ADD	$(off), SP, T0
	// ADD	$(cnt), T0, T1
	// loop: