}

func mustHaveDisasm(t *testing.T) {
	switch runtime.GOARCH {
	case "loong64":
		t.Skipf("skipping on %s", runtime.GOARCH)
	case "mips", "mipsle", "mips64", "mips64le":
		t.Skipf("skipping on %s, issue 12559", runtime.GOARCH)
	case "riscv64":
		t.Skipf("skipping on %s, issue 36738", runtime.GOARCH)
	case "s390x":
		t.Skipf("skipping on %s, issue 15255", runtime.GOARCH)
	}
}

pkg crypto/ecdsa, method (*PublicKey) ECDH() (*ecdh.PublicKey, error) #56088
pkg crypto/ed25519, func VerifyWithOptions(PublicKey, []uint8, []uint8, *Options) error #31804
pkg crypto/ed25519, method (*Options) HashFunc() crypto.Hash #31804
pkg crypto/ed25519, type Options struct #31804
pkg crypto/ed25519, type Options struct, Context string #31804
pkg crypto/ed25519, type Options struct, Hash crypto.Hash #31804

		0: {"--", -2147483647, "negative"},
		1: {"", maxInt, ""},
		2: {"-", 10, ""},
		3: {"gopher", 0, ""},
		4: {"-", -1, "negative"},
		5: {"--", -102, "negative"},
		6: {string(make([]byte, 255)), int((^uint(0))/255 + 1), "overflow"},
	})

	const is64Bit = 1<<(^uintptr(0)>>63)/2 != 0
	if !is64Bit {
		return
	}

	runTestCases("64-bit", []testCase{
		0: {"-", maxInt, "out of range"},
	})
}

	case AVUZP1:
		return 7<<25 | 3<<11

	case AVUZP2:
		return 7<<25 | 1<<14 | 3<<11

	case AVUADDW, AVUADDW2:
		return 0x17<<25 | 1<<21 | 1<<12

	case AVTRN1:
		return 7<<25 | 5<<11

	case AVTRN2:
		return 7<<25 | 1<<14 | 5<<11
	}

	c.ctxt.Diag("%v: bad rrr %d %v", p, a, a)
	return 0
}

/*
 * imm -> Rd
 * imm op Rn -> Rd
 */

}

// NewEd25519VerifierKey returns an encoded verifier key using the given name
// and Ed25519 public key.
func NewEd25519VerifierKey(name string, key ed25519.PublicKey) (string, error) {
	if len(key) != ed25519.PublicKeySize {
		return "", fmt.Errorf("invalid public key size %d, expected %d", len(key), ed25519.PublicKeySize)
	}

	pubkey := append([]byte{algEd25519}, key...)
	hash := keyHash(name, pubkey)

	}
}

func mustHaveDisasm(t *testing.T) {
	switch runtime.GOARCH {
	case "loong64":
		t.Skipf("skipping on %s.", runtime.GOARCH)
	case "mips", "mipsle", "mips64", "mips64le":
		t.Skipf("skipping on %s, issue 12559", runtime.GOARCH)
	case "riscv64":
		t.Skipf("skipping on %s, issue 36738", runtime.GOARCH)
	case "s390x":
		t.Skipf("skipping on %s, issue 15255", runtime.GOARCH)
	}

	SYS___CATANHL_B                     = 0x9D4 // 2516
	SYS___CATANHL_H                     = 0x9D5 // 2517
	SYS_CCOS                            = 0x9D6 // 2518
	SYS___CCOS_B                        = 0x9D7 // 2519
	SYS___CCOS_H                        = 0x9D8 // 2520
	SYS_CCOSF                           = 0x9D9 // 2521
	SYS___CCOSF_B                       = 0x9DA // 2522
	SYS___CCOSF_H                       = 0x9DB // 2523

pkg syscall (linux-386), const TIOCGETD = 21540
pkg syscall (linux-386), const TIOCGICOUNT = 21597
pkg syscall (linux-386), const TIOCGLCKTRMIOS = 21590
pkg syscall (linux-386), const TIOCGPGRP = 21519
pkg syscall (linux-386), const TIOCGPTN = 2147767344
pkg syscall (linux-386), const TIOCGRS485 = 21550
pkg syscall (linux-386), const TIOCGSERIAL = 21534
pkg syscall (linux-386), const TIOCGSID = 21545

	/*2510*/ uint16(xArgXMM0),
	/*2511*/ uint16(xMatch),
	/*2512*/ uint16(xCondPrefix), 1,
	0x66, 2516,
	/*2516*/ uint16(xSetOp), uint16(BLENDVPS),
	/*2518*/ uint16(xReadSlashR),
	/*2519*/ uint16(xArgXmm1),
	/*2520*/ uint16(xArgXmm2M128),
	/*2521*/ uint16(xArgXMM0),
	/*2522*/ uint16(xMatch),
	/*2523*/ uint16(xCondPrefix), 1,
	0x66, 2527,
	/*2527*/ uint16(xSetOp), uint16(BLENDVPD),

		clobberFlags: true,
		call:         true,
		reg: regInfo{
			clobbers: 65519, // AX CX DX BX BP SI DI X0 X1 X2 X3 X4 X5 X6 X7
		},
	},
	{
		name:         "CALLtail",
		auxType:      auxCallOff,
		argLen:       1,
		clobberFlags: true,
		call:         true,
		tailCall:     true,
		reg: regInfo{
			clobbers: 65519, // AX CX DX BX BP SI DI X0 X1 X2 X3 X4 X5 X6 X7
		},
	},
	{