func IsMIPSMUL(op obj.As) bool {
	switch op {
	case mips.AMUL, mips.AMULU, mips.AMULV, mips.AMULVU,
		mips.ADIV, mips.ADIVU, mips.ADIVV, mips.ADIVVU,
		mips.AREM, mips.AREMU, mips.AREMV, mips.AREMVU,
		mips.AMADD, mips.AMSUB:
		return true
	}
	return false
}

func mipsRegisterNumber(name string, n int16) (int16, bool) {
	switch name {
	case "F":
		if 0 <= n && n <= 31 {
			return mips.REG_F0 + n, true
		}
	case "FCR":

	// Note that there is no list of names as there is for x86.
	for i := mips.REG_R0; i <= mips.REG_R31; i++ {
		register[obj.Rconv(i)] = int16(i)
	}

	for i := mips.REG_F0; i <= mips.REG_F31; i++ {
		register[obj.Rconv(i)] = int16(i)
	}
	for i := mips.REG_M0; i <= mips.REG_M31; i++ {
		register[obj.Rconv(i)] = int16(i)
	}
	for i := mips.REG_FCR0; i <= mips.REG_FCR31; i++ {
		register[obj.Rconv(i)] = int16(i)
	}

	testErrors(t, "amd64", "amd64error")
}

func TestAMD64DynLinkErrors(t *testing.T) {
	testErrors(t, "amd64", "amd64dynlinkerror", "dynlink")
}

func TestMIPSEndToEnd(t *testing.T) {
	testEndToEnd(t, "mips", "mips")
	testEndToEnd(t, "mips64", "mips64")
}

func TestLOONG64Encoder(t *testing.T) {
	testEndToEnd(t, "loong64", "loong64enc1")
	testEndToEnd(t, "loong64", "loong64enc2")

				reg, success := ppc64.ConstantToCRbit(c)
				if !success {
					p.errorf("invalid CR bit register number %d", c)
				}
				prog.Reg = reg
			}
			break
		}
		if p.arch.Family == sys.MIPS || p.arch.Family == sys.MIPS64 || p.arch.Family == sys.RISCV64 {
			// 3-operand jumps.
			// First two must be registers
			target = &a[2]
			prog.From = a[0]
			prog.Reg = p.getRegister(prog, op, &a[1])
			break

		t.Skip("skipping in short mode")
	}

	if runtime.GOOS == "darwin" || runtime.GOOS == "ios" {
		t.Skipf("skipping flaky test on %s; see golang.org/issue/18202", runtime.GOOS)
	}

	if runtime.GOARCH == "mips" || runtime.GOARCH == "mips64" {
		t.Skipf("skipping on %s", runtime.GOARCH)
	}

	attempts := 1000
	threads := 4

	// Restrict the number of attempts based on RLIMIT_NPROC.

}

func TestPPC64OperandParser(t *testing.T) {
	parser := newParser("ppc64")
	testOperandParser(t, parser, ppc64OperandTests)
}

func TestMIPSOperandParser(t *testing.T) {
	parser := newParser("mips")
	testOperandParser(t, parser, mipsOperandTests)
}

func TestMIPS64OperandParser(t *testing.T) {
	parser := newParser("mips64")
	testOperandParser(t, parser, mips64OperandTests)
}

	case "mips64", "mips64le":
		if gomips64 == "hardfloat" {
			return []string{"-mabi=64", "-mhard-float"}
		} else if gomips64 == "softfloat" {
			return []string{"-mabi=64", "-msoft-float"}
		}
	case "mips", "mipsle":
		if gomips == "hardfloat" {
			return []string{"-mabi=32", "-mfp32", "-mhard-float", "-mno-odd-spreg"}
		} else if gomips == "softfloat" {
			return []string{"-mabi=32", "-msoft-float"}
		}