if err != nil {
		t.Fatal(err)
	}
	if !bytes.Equal(sig, expectedSig) {
		t.Error("signature doesn't match test vector")
	}
	sig, err = private.Sign(nil, hash[:], &Options{Hash: crypto.SHA512})
	if err != nil {
		t.Fatal(err)
	}
	if !bytes.Equal(sig, expectedSig) {
		t.Error("signature doesn't match test vector")
	}
	if err := VerifyWithOptions(public, hash[:], sig, &Options{Hash: crypto.SHA512}); err != nil {

	fmt.Fprintln(w, `// Code generated by "go run gen_const_ppc64le.go"; DO NOT EDIT.`)
	fmt.Fprintln(w)
	fmt.Fprintln(w, `#include "textflag.h"`)

	// These are the polynomials supported in vector now.
	// If adding others, include the polynomial and a name
	// to identify it.

	genCrc32ConstTable(w, 0xedb88320, "IEEE")
	genCrc32ConstTable(w, 0x82f63b78, "Cast")
	genCrc32ConstTable(w, 0xeb31d82e, "Koop")

	// Create a struct callbackArgs on our stack.
	SUBL	$(12+callbackArgs__size), SP
	MOVL	AX, (12+callbackArgs_index)(SP)		// callback index
	MOVL	CX, (12+callbackArgs_args)(SP)		// address of args vector
	MOVL	$0, (12+callbackArgs_result)(SP)	// result
	LEAL	12(SP), AX	// AX = &callbackArgs{...}

	// Call cgocallback, which will call callbackWrap(frame).
	MOVL	$0, 8(SP)	// context

	CBitFieldMaskBit62 = 0x2
	CBitFieldMaskBit63 = 0x1
)

type SockaddrStorage struct {
	Family uint16
	Data   [118]byte
	_      uint64
}

type HDGeometry struct {
	Heads     uint8
	Sectors   uint8
	Cylinders uint16
	Start     uint64
}

type Statfs_t struct {
	Type    int64
	Bsize   int64
	Frsize  int64
	Blocks  uint64
	Bfree   uint64
	Files   uint64
	Ffree   uint64

	CBitFieldMaskBit63 = 0x8000000000000000
)

type SockaddrStorage struct {
	Family uint16
	Data   [122]byte
	_      uint32
}

type HDGeometry struct {
	Heads     uint8
	Sectors   uint8
	Cylinders uint16
	Start     uint32
}

type Statfs_t struct {
	Type    int32
	Bsize   int32
	Frsize  int32
	_       [4]byte
	Blocks  uint64
	Bfree   uint64
	Files   uint64

	CBitFieldMaskBit63 = 0x8000000000000000
)

type SockaddrStorage struct {
	Family uint16
	Data   [118]byte
	_      uint64
}

type HDGeometry struct {
	Heads     uint8
	Sectors   uint8
	Cylinders uint16
	Start     uint64
}

type Statfs_t struct {
	Type    int64
	Bsize   int64
	Blocks  uint64
	Bfree   uint64
	Bavail  uint64
	Files   uint64
	Ffree   uint64

#ifdef GOARCH_ppc64le
#define VPERMLE(va,vb,vc,vt) VPERM va, vb, vc, vt
#else
#define VPERMLE(va,vb,vc,vt)
#endif

// 2 copies of each Kt, to fill both doublewords of a vector register
DATA  ·kcon+0x000(SB)/8, $0x428a2f98d728ae22
DATA  ·kcon+0x008(SB)/8, $0x428a2f98d728ae22
DATA  ·kcon+0x010(SB)/8, $0x7137449123ef65cd
DATA  ·kcon+0x018(SB)/8, $0x7137449123ef65cd

				continue
			}
			if !bytes.Equal(dec, message.in) {
				t.Errorf("#%d,%d: round trip %q -> %q", i, j, message.in, dec)
			}
		}
	}
}

// testEncryptOAEPData contains a subset of the vectors from RSA's "Test vectors for RSA-OAEP".
var testEncryptOAEPData = []testEncryptOAEPStruct{
	// Key 1

	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    // Terminates the vector
	_AT_PAGESZ       = 6    // Page size in bytes
	_AT_SUN_EXECNAME = 2014 // exec() path name
)

func sysauxv(auxv []uintptr) (pairs int) {
	var i int
	for i = 0; auxv[i] != _AT_NULL; i += 2 {

	/* load long effective stack address (load int32 offset and add) */
	{AMOVD, C_LACON, C_NONE, C_NONE, C_RSP, C_NONE, 34, 8, REGSP, LFROM, 0},

	// Load a large constant into a vector register.
	{AVMOVS, C_ADDR, C_NONE, C_NONE, C_VREG, C_NONE, 65, 12, 0, 0, 0},
	{AVMOVD, C_ADDR, C_NONE, C_NONE, C_VREG, C_NONE, 65, 12, 0, 0, 0},
	{AVMOVQ, C_ADDR, C_NONE, C_NONE, C_VREG, C_NONE, 65, 12, 0, 0, 0},