/**
 * This annotation is a marker and guarantees all integration tests are tagged.
 *
 * When we use JUnit Platform `includeTags('SomeTag')`, all spock tests are excluded:
 * https://github.com/spockframework/spock/issues/1288 . As a workaround,
 * we tag all non-spock integration tests and use `includeTags(none() | SomeTag)` to make
 * sure spock engine tests are executed.
 */
@Retention(RetentionPolicy.RUNTIME)

	// This avoids an unnecessary allocation of the aesCipher struct.
	c := aesCipherGCM{aesCipherAsm{aesCipher{l: uint8(len(key) + 28)}}}
	var rounds int
	switch len(key) {
	case 128 / 8:
		rounds = 10
	case 192 / 8:
		rounds = 12
	case 256 / 8:
		rounds = 14
	default:
		return nil, KeySizeError(len(key))
	}

	expandKeyAsm(rounds, &key[0], &c.enc[0], &c.dec[0])

	if !(cpu.S390X.HasAES && cpu.S390X.HasAESCBC && cpu.S390X.HasAESCTR && (cpu.S390X.HasGHASH || cpu.S390X.HasAESGCM)) {
		return newCipherGeneric(key)
	}

	var function code
	switch len(key) {
	case 128 / 8:
		function = aes128
	case 192 / 8:
		function = aes192
	case 256 / 8:
		function = aes256
	default:
		return nil, KeySizeError(len(key))
	}

	var c aesCipherAsm
	c.function = function

	LEAQ	·emptystring(SB), SI

copyresult3:
	LEAQ	err+48(FP), DI

	CLD
	MOVSQ
	MOVSQ

	RET

TEXT	·Syscall6(SB),NOSPLIT,$168-88
	NO_LOCAL_POINTERS
	CALL	runtime·entersyscall<ABIInternal>(SB)
	MOVQ	trap+0(FP), BP	// syscall entry
	// copy args down
	LEAQ	a1+8(FP), SI
	LEAQ	sysargs-160(SP), DI
	CLD
	MOVSQ
	MOVSQ
	MOVSQ
	MOVSQ

	// level shift. Scaling reduces the rounding errors in the conversion from
	// floats to ints.
	for i, b := range blocks {
		got, want := b, b
		for j := range got {
			got[j] = (got[j] - 128) * 8
		}
		slowFDCT(&got)
		slowIDCT(&got)
		for j := range got {
			got[j] = got[j]/8 + 128
		}
		if differ(&got, &want) {
			t.Errorf("i=%d: IDCT(FDCT)\nsrc\n%s\ngot\n%s\nwant\n%s\n", i, &b, &got, &want)
		}

00000010  0b b8 f3 69 ba 4f 49 93  05 0f b1 f1 d7 6b 6c 0c  |...i.OI......kl.|
00000020  98 d0 22 78 0c ad 15 6b  24 5b 14 03 03 00 01 01  |.."x...k$[......|
00000030  16 03 03 00 20 9d aa 3f  17 b3 16 88 d5 44 3d 03  |.... ..?.....D=.|
00000040  3c 3c 8d 92 f1 2f e4 38  cc 42 20 2f ef 6a 29 c6  |<<.../.8.B /.j).|
00000050  5c ca 44 81 f6                                    |\.D..|
>>> Flow 4 (server to client)

00000030  16 03 02 00 40 00 00 00  00 00 00 00 00 00 00 00  |....@...........|
00000040  00 00 00 00 00 34 fa 43  0a 6f 38 d0 80 5d a1 d6  |.....4.C.o8..]..|
00000050  61 c9 62 a9 b2 14 88 b4  7d b9 dc 20 93 11 27 37  |a.b.....}.. ..'7|
00000060  5a 2a 5b d4 10 54 75 23  8d 39 4a 5b 51 80 48 f2  |Z*[..Tu#.9J[Q.H.|
00000070  16 64 e5 90 38                                    |.d..8|
>>> Flow 4 (server to client)

00000230  b6 4f 0a bc 2f aa af f9  c4 d7 1b 8e c7 58 f1 dc  |.O../........X..|
00000240  84 57 f4 9c 3f 40 e5 27  49 9c 4c a9 98 1b 9a b3  |.W..?@.'I.L.....|
00000250  95 83 7e 32 b7 d8 25 85  4d bf fd 14 88 c0 f7 1c  |..~2..%.M.......|
00000260  e2 cb 46 b3 4a 39 80 fa  08 b3 c2 18 05 dd 82 e4  |..F.J9..........|
00000270  68 5f 72 b5 53 a8 1b e7  7c 79 64 9a 3f 63 d3 50  |h_r.S...|yd.?c.P|