arm64.ACMNW, arm64.ACMPW, arm64.ATSTW,
		arm64.AFCMPS, arm64.AFCMPD,
		arm64.AFCMPES, arm64.AFCMPED:
		return true
	}
	return false
}

// IsARM64STLXR reports whether the op (as defined by an arm64.A*
// constant) is one of the STLXR-like instructions that require special
// handling.
func IsARM64STLXR(op obj.As) bool {
	switch op {
	case arm64.ASTLXRB, arm64.ASTLXRH, arm64.ASTLXRW, arm64.ASTLXR,

eric fang <******@****.***> 1701834073 +0000

pkg runtime (freebsd-arm64), const GOOS = "freebsd"
pkg runtime (freebsd-arm64-cgo), const GOARCH = "arm64"
pkg runtime (freebsd-arm64-cgo), const GOOS = "freebsd"
pkg strconv (freebsd-arm64), const IntSize = 64
pkg strconv (freebsd-arm64-cgo), const IntSize = 64
pkg syscall (freebsd-arm64), const AF_APPLETALK = 16
pkg syscall (freebsd-arm64), const AF_APPLETALK ideal-int

pkg runtime (darwin-arm64), const GOOS = "darwin"
pkg runtime (darwin-arm64-cgo), const GOARCH = "arm64"
pkg runtime (darwin-arm64-cgo), const GOOS = "darwin"
pkg strconv (darwin-arm64), const IntSize = 64
pkg strconv (darwin-arm64-cgo), const IntSize = 64
pkg syscall (darwin-arm64), const AF_APPLETALK = 16
pkg syscall (darwin-arm64), const AF_APPLETALK ideal-int

	register[obj.Rconv(arm64.REGSP)] = int16(arm64.REGSP)
	for i := arm64.REG_R0; i <= arm64.REG_R31; i++ {
		register[obj.Rconv(i)] = int16(i)
	}
	// Rename R18 to R18_PLATFORM to avoid accidental use.
	register["R18_PLATFORM"] = register["R18"]
	delete(register, "R18")
	for i := arm64.REG_F0; i <= arm64.REG_F31; i++ {
		register[obj.Rconv(i)] = int16(i)
	}

}

func TestARMOperandParser(t *testing.T) {
	parser := newParser("arm")
	testOperandParser(t, parser, armOperandTests)
}
func TestARM64OperandParser(t *testing.T) {
	parser := newParser("arm64")
	testOperandParser(t, parser, arm64OperandTests)
}

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

	// Symbol: sym±offset(SB)
	tok := p.next()
	name := tok.String()
	if tok.ScanToken == scanner.Ident && !p.atStartOfRegister(name) {
		switch p.arch.Family {
		case sys.ARM64:
			// arm64 special operands.
			if opd := arch.GetARM64SpecialOperand(name); opd != arm64.SPOP_END {
				a.Type = obj.TYPE_SPECIAL
				a.Offset = int64(opd)
				break
			}
			fallthrough
		default:
			// We have a symbol. Parse $sym±offset(symkind)

pkg math/bits (netbsd-amd64-cgo), const UintSize = 64
pkg math/bits (netbsd-arm), const UintSize = 32
pkg math/bits (netbsd-arm-cgo), const UintSize = 32
pkg math/bits (netbsd-arm64), const UintSize = 64
pkg math/bits (netbsd-arm64-cgo), const UintSize = 64
pkg math/bits (openbsd-386), const UintSize = 32
pkg math/bits (openbsd-386-cgo), const UintSize = 32
pkg math/bits (openbsd-amd64), const UintSize = 64

pkg syscall (freebsd-arm), type SysProcAttr struct, Pdeathsig Signal
pkg syscall (freebsd-arm-cgo), type SysProcAttr struct, Pdeathsig Signal
pkg syscall (freebsd-arm64), type SysProcAttr struct, Pdeathsig Signal
pkg syscall (freebsd-arm64-cgo), type SysProcAttr struct, Pdeathsig Signal
pkg syscall (windows-386), func Syscall //deprecated
pkg syscall (windows-386), func Syscall12 //deprecated

<code>R0</code>, <code>g</code>, and <code>R12</code> through <code>R15</code> inclusive.
</li>

<li>
<code>(R5, R6)</code>: Destination register pair.
</li>

</ul>

<h3 id="arm64">ARM64</h3>

<p>
<code>R18</code> is the "platform register", reserved on the Apple platform.
To prevent accidental misuse, the register is named <code>R18_PLATFORM</code>.