// assume the default value for the given type.
//
// optab does not list every valid ppc64 opcode, it enumerates representative
// operand combinations for a class of instruction.  The variable oprange indexes
// all valid ppc64 opcodes.
//
// oprange is initialized to point a slice within optab which contains the valid
// operand combinations for a given instruction.  This is initialized from buildop.
//

}

// requireAlignment ensures that the function alignment is at
// least as high as a, which should be a power of two
// and between 8 and 2048, inclusive.
//
// the boolean result indicates whether the alignment meets those constraints
func requireAlignment(a int64, ctxt *obj.Link, cursym *obj.LSym) bool {
	if !((a&(a-1) == 0) && 8 <= a && a <= 2048) {

// sysInstFields helps convert SYS alias instructions to SYS instructions.
// For example, the format of TLBI is: TLBI <tlbi_op>{, <Xt>}.
// It's equivalent to: SYS #<op1>, C8, <Cm>, #<op2>{, <Xt>}.
// The field hasOperand2 indicates whether Xt is required. It helps to check
// some combinations that may be undefined, such as TLBI VMALLE1IS, R0.
var sysInstFields = map[SpecialOperand]struct {
	op1         uint8
	cn          uint8
	cm          uint8