switch name {
	case "AR":
		if 0 <= n && n <= 15 {
			return s390x.REG_AR0 + n, true
		}
	case "F":
		if 0 <= n && n <= 15 {
			return s390x.REG_F0 + n, true
		}
	case "R":
		if 0 <= n && n <= 15 {
			return s390x.REG_R0 + n, true
		}
	case "V":
		if 0 <= n && n <= 31 {
			return s390x.REG_V0 + n, true
		}
	}
	return 0, false

Srinivas Pokala <******@****.***> 1697447930 +0200

}

func TestLOONG64OperandParser(t *testing.T) {
	parser := newParser("loong64")
	testOperandParser(t, parser, loong64OperandTests)
}

func TestS390XOperandParser(t *testing.T) {
	parser := newParser("s390x")
	testOperandParser(t, parser, s390xOperandTests)
}

func TestFuncAddress(t *testing.T) {
	type subtest struct {
		arch  string
		tests []operandTest
	}
	for _, sub := range []subtest{

			// 3-operand jumps.
			// First two must be registers
			target = &a[2]
			prog.From = a[0]
			prog.Reg = p.getRegister(prog, op, &a[1])
			break
		}
		if p.arch.Family == sys.S390X {
			// 3-operand jumps.
			target = &a[2]
			prog.From = a[0]
			if a[1].Reg != 0 {
				// Compare two registers and jump.
				prog.Reg = p.getRegister(prog, op, &a[1])
			} else {

	testEndToEnd(t, "riscv64", "riscv64")
}

func TestRISCVErrors(t *testing.T) {
	testErrors(t, "riscv64", "riscv64error")
}

func TestS390XEndToEnd(t *testing.T) {
	testEndToEnd(t, "s390x", "s390x")

	// Note that there is no list of names as there is for x86.
	for i := s390x.REG_R0; i <= s390x.REG_R15; i++ {
		register[obj.Rconv(i)] = int16(i)
	}
	for i := s390x.REG_F0; i <= s390x.REG_F15; i++ {
		register[obj.Rconv(i)] = int16(i)
	}
	for i := s390x.REG_V0; i <= s390x.REG_V31; i++ {
		register[obj.Rconv(i)] = int16(i)
	}
	for i := s390x.REG_AR0; i <= s390x.REG_AR15; i++ {
		register[obj.Rconv(i)] = int16(i)
	}

pkg debug/elf, const EM_PPC = 20
pkg debug/elf, const EM_PPC64 = 21
pkg debug/elf, const EM_RCE = 39
pkg debug/elf, const EM_RH32 = 38
pkg debug/elf, const EM_S370 = 9
pkg debug/elf, const EM_S390 = 22
pkg debug/elf, const EM_SH = 42
pkg debug/elf, const EM_SPARC = 2
pkg debug/elf, const EM_SPARC32PLUS = 18
pkg debug/elf, const EM_SPARCV9 = 43
pkg debug/elf, const EM_ST100 = 60

<p>
This assembler is used by GOARCH values ppc64 and ppc64le.
</p>

<p>
Reference: <a href="/pkg/cmd/internal/obj/ppc64">Go PPC64 Assembly Instructions Reference Manual</a>
</p>

<h3 id="s390x">IBM z/Architecture, a.k.a. s390x</h3>

<p>
The registers <code>R10</code> and <code>R11</code> are reserved.
The assembler uses them to hold temporary values when assembling some instructions.
</p>

<p>

		if goos == "darwin" {
			return []string{"-arch", "arm64"}
		}
	case "386":
		return []string{"-m32"}
	case "arm":
		return []string{"-marm"} // not thumb
	case "s390":
		return []string{"-m31"}
	case "s390x":
		return []string{"-m64"}
	case "mips64", "mips64le":
		if gomips64 == "hardfloat" {
			return []string{"-mabi=64", "-mhard-float"}
		} else if gomips64 == "softfloat" {

pkg debug/elf, const PT_OPENBSD_WXNEEDED ProgType
pkg debug/elf, const PT_PAX_FLAGS = 1694766464
pkg debug/elf, const PT_PAX_FLAGS ProgType
pkg debug/elf, const PT_S390_PGSTE = 1879048192
pkg debug/elf, const PT_S390_PGSTE ProgType
pkg debug/elf, const PT_SUNWSTACK = 1879048187
pkg debug/elf, const PT_SUNWSTACK ProgType
pkg debug/elf, const PT_SUNW_EH_FRAME = 1685382480