}

// UsesSwig reports whether the package needs to run SWIG.
func (p *Package) UsesSwig() bool {
	return len(p.SwigFiles) > 0 || len(p.SwigCXXFiles) > 0
}

// UsesCgo reports whether the package needs to run cgo
func (p *Package) UsesCgo() bool {
	return len(p.CgoFiles) > 0
}

//
// With no arguments, download applies to the modules needed to build and test
// the packages in the main module: the modules explicitly required by the main
// module if it is at 'go 1.17' or higher, or all transitively-required modules
// if at 'go 1.16' or lower.
//
// The go command will automatically download modules as needed during ordinary

	case AVGATHERDPD,
		AVGATHERQPD,
		AVGATHERDPS,
		AVGATHERQPS,
		AVPGATHERDD,
		AVPGATHERQD,
		AVPGATHERDQ,
		AVPGATHERQQ:
		if p.GetFrom3() == nil {
			// gathers need a 3rd arg. See issue 58822.
			ctxt.Diag("need a third arg for gather instruction: %v", p)
			return
		}
		// AVX512 gather requires explicit K mask.
		if p.GetFrom3().Reg >= REG_K0 && p.GetFrom3().Reg <= REG_K7 {

		{name: "LoweredNilCheck", argLength: 2, reg: regInfo{inputs: []regMask{gpsp}}, clobberFlags: true, nilCheck: true, faultOnNilArg0: true},
		// LoweredWB invokes runtime.gcWriteBarrier{auxint}. arg0=mem, auxint=# of buffer entries needed.
		// It saves all GP registers if necessary, but may clobber others.
		// Returns a pointer to a write barrier buffer in R11.

	connRequests connRequestSet
	numOpen      int // number of opened and pending open connections
	// Used to signal the need for new connections
	// a goroutine running connectionOpener() reads on this chan and
	// maybeOpenNewConnections sends on the chan (one send per needed connection)
	// It is closed during db.Close(). The close tells the connectionOpener
	// goroutine to exit.
	openerCh          chan struct{}

		max:             max,
		scopes:          1,
	}
	a.print(&ps)
	s := ps.buf.String()
	if max > 0 && len(s) > max {
		s = s[:max]
	}
	return s
}

// The printState type holds information needed to print an AST.
type printState struct {
	tparams         bool // whether to print template parameters
	enclosingParams bool // whether to print enclosing parameters
	llvmStyle       bool

				}

				// Marks may be adjusted if a too-far conditional branch is
				// fixed up above. Likewise, inserting a NOP may cause a
				// branch target to become too far away.  We need to run
				// another iteration and verify no additional changes
				// are needed.
				if mark != p.Mark {
					bflag = 1
					p.Mark = mark
				}

				// Check for 16 or 32B crossing of this prefixed insn.

		case AOR:
			if int64(uint32(v)) != v { // needs sign extend
				zRIL(_a, op_LGFI, regtmp(p), uint32(v), asm)
				zRRE(op_OGR, uint32(p.To.Reg), regtmp(p), asm)
			} else if int64(uint16(v)) == v {
				zRI(op_OILL, uint32(p.To.Reg), uint32(v), asm)
			} else {
				zRIL(_a, op_OILF, uint32(p.To.Reg), uint32(v), asm)
			}
		case AXOR:
			if int64(uint32(v)) != v { // needs sign extend

// which itself is a rotate (w.r.t. the length of the unit) of a sequence of ones.
// special cases: 0 and -1 are not bitcon.
// this function needs to run against virtually all the constants, so it needs to be fast.
// for this reason, bitcon testing and bitcon encoding are separate functions.
func isbitcon(x uint64) bool {
	if x == 1<<64-1 || x == 0 {
		return false
	}

	// fields: dwFileType, dwCreatorType, and wFinderFlags. However, those fields
	// are empirically only present in the macOS port of the Win32 API,² and thus
	// not needed for binaries built for Windows.
	//
	// ¹ https://docs.microsoft.com/en-us/windows/win32/api/minwinbase/ns-minwinbase-win32_find_dataw describe
	// ² https://golang.org/issue/42637#issuecomment-760715755.
}