Types[TUNSAFEPTR] = defBasic(TUNSAFEPTR, UnsafePkg, "Pointer")

	Types[TBLANK] = newType(TBLANK)
	Types[TNIL] = newType(TNIL)

	// simple aliases
	SimType[TMAP] = TPTR
	SimType[TCHAN] = TPTR
	SimType[TFUNC] = TPTR
	SimType[TUNSAFEPTR] = TPTR

	for et := TINT8; et <= TUINT64; et++ {
		IsInt[et] = true
	}
	IsInt[TINT] = true
	IsInt[TUINT] = true
	IsInt[TUINTPTR] = true

	IsFloat[TFLOAT32] = true

TEXT ·gcmAesFinish(SB),NOSPLIT,$0
#define pTbl DI
#define tMsk SI
#define tPtr DX
#define plen AX
#define dlen CX

	MOVQ productTable+0(FP), pTbl
	MOVQ tagMask+8(FP), tMsk
	MOVQ T+16(FP), tPtr
	MOVQ pLen+24(FP), plen
	MOVQ dLen+32(FP), dlen

	MOVOU (tPtr), ACC0
	MOVOU (tMsk), T2

	MOVOU bswapMask<>(SB), BSWAP
	MOVOU gcmPoly<>(SB), POLY

	SHLQ $3, plen

#define pTbl R0
#define tMsk R1
#define tPtr R2
#define plen R3
#define dlen R4

	MOVD	$0xC2, R1
	LSL	$56, R1
	MOVD	$1, R0
	VMOV	R1, POLY.D[0]
	VMOV	R0, POLY.D[1]
	VEOR	ZERO.B16, ZERO.B16, ZERO.B16

	MOVD	productTable+0(FP), pTbl
	MOVD	tagMask+8(FP), tMsk
	MOVD	T+16(FP), tPtr
	MOVD	pLen+24(FP), plen
	MOVD	dLen+32(FP), dlen

	VLD1	(tPtr), [ACC0.B16]
	VLD1	(tMsk), [B1.B16]

	LSL	$3, plen

	_ = x[TINT64-7]
	_ = x[TUINT64-8]
	_ = x[TINT-9]
	_ = x[TUINT-10]
	_ = x[TUINTPTR-11]
	_ = x[TCOMPLEX64-12]
	_ = x[TCOMPLEX128-13]
	_ = x[TFLOAT32-14]
	_ = x[TFLOAT64-15]
	_ = x[TBOOL-16]
	_ = x[TPTR-17]
	_ = x[TFUNC-18]
	_ = x[TSLICE-19]
	_ = x[TARRAY-20]
	_ = x[TSTRUCT-21]
	_ = x[TCHAN-22]
	_ = x[TMAP-23]
	_ = x[TINTER-24]
	_ = x[TFORW-25]
	_ = x[TANY-26]
	_ = x[TSTRING-27]
	_ = x[TUNSAFEPTR-28]

	SYS_ADJTIME              = 421 // { int|sys|50|adjtime(const struct timeval *delta, struct timeval *olddelta); }
	SYS_FUTIMES              = 423 // { int|sys|50|futimes(int fd, const struct timeval *tptr); }
	SYS_LUTIMES              = 424 // { int|sys|50|lutimes(const char *path, const struct timeval *tptr); }

	SYS_ADJTIME              = 421 // { int|sys|50|adjtime(const struct timeval *delta, struct timeval *olddelta); }
	SYS_FUTIMES              = 423 // { int|sys|50|futimes(int fd, const struct timeval *tptr); }
	SYS_LUTIMES              = 424 // { int|sys|50|lutimes(const char *path, const struct timeval *tptr); }

	SYS_ADJTIME              = 421 // { int|sys|50|adjtime(const struct timeval *delta, struct timeval *olddelta); }
	SYS_FUTIMES              = 423 // { int|sys|50|futimes(int fd, const struct timeval *tptr); }
	SYS_LUTIMES              = 424 // { int|sys|50|lutimes(const char *path, const struct timeval *tptr); }

func (t *Type) IsPtrShaped() bool {
	return t.kind == TPTR || t.kind == TUNSAFEPTR ||
		t.kind == TMAP || t.kind == TCHAN || t.kind == TFUNC
}

// HasNil reports whether the set of values determined by t includes nil.
func (t *Type) HasNil() bool {
	switch t.kind {
	case TCHAN, TFUNC, TINTER, TMAP, TNIL, TPTR, TSLICE, TUNSAFEPTR:
		return true
	}
	return false
}

	SYS_ADJTIME              = 421 // { int|sys|50|adjtime(const struct timeval *delta, struct timeval *olddelta); }
	SYS_FUTIMES              = 423 // { int|sys|50|futimes(int fd, const struct timeval *tptr); }
	SYS_LUTIMES              = 424 // { int|sys|50|lutimes(const char *path, const struct timeval *tptr); }

	SYS_ADJTIME              = 421 // { int|sys|50|adjtime(const struct timeval *delta, struct timeval *olddelta); }
	SYS_FUTIMES              = 423 // { int|sys|50|futimes(int fd, const struct timeval *tptr); }
	SYS_LUTIMES              = 424 // { int|sys|50|lutimes(const char *path, const struct timeval *tptr); }