// effectively discarded. In these cases, the offset determines
			// the CR bit.
			prog.Reg = a[1].Reg
			if a[1].Type != obj.TYPE_REG {
				// The CR bit is represented as a constant 0-31. Convert it to a Reg.
				c := p.getConstant(prog, op, &a[1])
				reg, success := ppc64.ConstantToCRbit(c)
				if !success {
					p.errorf("invalid CR bit register number %d", c)
				}
				prog.Reg = reg
			}
			break
		}

            MediaType.create("text", "plain")
                .withParameter("something", "cr@zy")
                .withParameter("something-else", "crazy with spaces")
                .withParameter("and-another-thing", "")
                .withParameter("normal-thing", "foo")
                .toString())
        .isEqualTo(
            "text/plain; something=\"cr@zy\"; something-else=\"crazy with spaces\";"

		}
		if bytealg.IndexByteString(chars, s[0]) >= 0 {
			return 0
		}
		return -1
	}
	if len(chars) == 1 {
		cr := rune(chars[0])
		if cr >= utf8.RuneSelf {
			cr = utf8.RuneError
		}
		for i := len(s); i > 0; {
			r, size := utf8.DecodeLastRune(s[:i])
			i -= size
			if r == cr {
				return i
			}
		}
		return -1
	}
	for i := len(s); i > 0; {
		r := rune(s[i-1])

	}
	for i := ppc64.REG_MSR; i <= ppc64.REG_CR; i++ {
		register[obj.Rconv(i)] = int16(i)
	}
	for i := ppc64.REG_CR0LT; i <= ppc64.REG_CR7SO; i++ {
		register[obj.Rconv(i)] = int16(i)
	}
	register["CR"] = ppc64.REG_CR
	register["XER"] = ppc64.REG_XER
	register["LR"] = ppc64.REG_LR
	register["CTR"] = ppc64.REG_CTR
	register["FPSCR"] = ppc64.REG_FPSCR
	register["MSR"] = ppc64.REG_MSR
	// Pseudo-registers.