case AMUL:
			opset(AREM, r0)
			opset(AREMU, r0)
			opset(ADIVU, r0)
			opset(AMULU, r0)
			opset(ADIV, r0)
			opset(AMADD, r0)
			opset(AMSUB, r0)

		case AMULV:
			opset(ADIVV, r0)
			opset(ADIVVU, r0)
			opset(AMULVU, r0)
			opset(AREMV, r0)
			opset(AREMVU, r0)

		case ASLL:
			opset(ASRL, r0)
			opset(ASRA, r0)
			opset(AROTR, r0)

		case ASLLV:

			opset(ADIV, r0)
			opset(ADIVU, r0)

		case AMULV:
			opset(AMULVU, r0)
			opset(AMULHV, r0)
			opset(AMULHVU, r0)
			opset(AREMV, r0)
			opset(AREMVU, r0)
			opset(ADIVV, r0)
			opset(ADIVVU, r0)

		case ASLL:
			opset(ASRL, r0)
			opset(ASRA, r0)
			opset(AROTR, r0)

		case ASLLV:
			opset(ASRAV, r0)
			opset(ASRLV, r0)
			opset(AROTRV, r0)

		// Already initialized; stop now.
		// This happens in the cmd/asm tests,
		// each of which re-initializes the arch.
		return
	}

	symdiv = ctxt.Lookup("runtime._div")
	symdivu = ctxt.Lookup("runtime._divu")
	symmod = ctxt.Lookup("runtime._mod")
	symmodu = ctxt.Lookup("runtime._modu")

	var n int

	for i := 0; i < C_GOK; i++ {
		for n = 0; n < C_GOK; n++ {
			if cmp(n, i) {