{name: "EXTSWSLconst", argLength: 1, reg: gp11, asm: "EXTSWSLI", aux: "Int64"},

		{name: "RLWINM", argLength: 1, reg: gp11, asm: "RLWNM", aux: "Int64"},                           // Rotate and mask by immediate "rlwinm". encodePPC64RotateMask describes aux

)

func sysauxv(auxv []uintptr) (pairs int) {
	var i int
	for i = 0; auxv[i] != _AT_NULL; i += 2 {
		tag, val := auxv[i], auxv[i+1]
		switch tag {
		case _AT_PAGESZ:
			physPageSize = val
		}
	}
	return i / 2
}

// raise sends signal to the calling thread.
//
// It must be nosplit because it is used by the signal handler before
// it definitely has a Go stack.
//

	if v.InCache {
		aux := v.AuxInt
		if f.unCacheLine(v, aux) {
			return
		}
		if aux == 0 {
			switch v.Op {
			case OpConstNil:
				aux = constNilMagic
			case OpConstSlice:
				aux = constSliceMagic
			case OpConstString:
				aux = constEmptyStringMagic
			case OpConstInterface:
				aux = constInterfaceMagic
			}
			if aux != 0 && f.unCacheLine(v, aux) {
				return

			audToCheck:  []string{"aud1"},
			audExpected: []string{"aud1", "aud2"},
		},
		{
			name:        "audience is NOT in the expected set",
			expectRet:   false,
			audToCheck:  []string{"aud3"},
			audExpected: []string{"aud1", "aud2"},
		},
		{
			name:        "one of the audiences is in the expected set",
			expectRet:   true,
			audToCheck:  []string{"aud1", "aud3"},

	// skip over argv, envp to get to auxv
	for argv_index(argv, n) != nil {
		n++
	}

	// skip NULL separator
	n++

	auxvp := (*[1 << 28]uintptr)(add(unsafe.Pointer(argv), uintptr(n)*goarch.PtrSize))
	pairs := sysauxv(auxvp[:])
	auxv = auxvp[: pairs*2 : pairs*2]
}

const (
	_AT_NULL   = 0
	_AT_PAGESZ = 6
)

func sysauxv(auxv []uintptr) (pairs int) {
	var i int

		{name: "MOVHload", argLength: 2, reg: gpload, aux: "SymOff", asm: "MOVH", typ: "Int16", faultOnNilArg0: true, symEffect: "Read"},    // load from arg0 + auxInt + aux.  arg1=mem.
		{name: "MOVHUload", argLength: 2, reg: gpload, aux: "SymOff", asm: "MOVHU", typ: "UInt16", faultOnNilArg0: true, symEffect: "Read"}, // load from arg0 + auxInt + aux.  arg1=mem.

		{name: "I64Load32U", asm: "I64Load32U", argLength: 2, reg: gpload, aux: "Int64", typ: "UInt32"}, // read unsigned 32-bit integer from address arg0+aux, arg1=mem
		{name: "I64Load32S", asm: "I64Load32S", argLength: 2, reg: gpload, aux: "Int64", typ: "Int32"},  // read signed 32-bit integer from address arg0+aux, arg1=mem

	_AT_HWCAP  = 16
	_AT_HWCAP2 = 26

	procAuxv = "/proc/self/auxv"

	uintSize = int(32 << (^uint(0) >> 63))
)

// For those platforms don't have a 'cpuid' equivalent we use HWCAP/HWCAP2
// These are initialized in cpu_$GOARCH.go
// and should not be changed after they are initialized.
var hwCap uint
var hwCap2 uint

func readHWCAP() error {
	// For Go 1.21+, get auxv from the Go runtime.
	if a := getAuxv(); len(a) > 0 {

		sym1 := auxToSym(v.Aux)
		val := v_0
		if v_1.Op != OpAMD64LEAQ {
			break
		}
		off2 := auxIntToInt32(v_1.AuxInt)
		sym2 := auxToSym(v_1.Aux)
		base := v_1.Args[0]
		mem := v_2
		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)) {
			break
		}
		v.reset(OpAMD64ADDLload)
		v.AuxInt = int32ToAuxInt(off1 + off2)
		v.Aux = symToAux(mergeSym(sym1, sym2))

		Nscnum:  extnum,
		Nsclass: C_HIDEXT,
		Ntype:   0, // check visibility ?
		Nnumaux: 1,
	}
	f.addSymbol(s)

	aux := &XcoffAuxCSect64{
		Xsmclas:  XMC_PR,
		Xsmtyp:   XTY_SD | logBase2(Funcalign)<<3,
		Xauxtype: _AUX_CSECT,
	}
	f.addSymbol(aux)

	currSymSrcFile.csectAux = aux
	currSymSrcFile.csectVAStart = int64(firstEntry)
	currSymSrcFile.csectVAEnd = int64(firstEntry)
}