BYTE $0x30; BYTE $0x31; BYTE $0x1a; BYTE $0x33
	BYTE $0x34; BYTE $0x35; BYTE $0x36; BYTE $0x08
	BYTE $0x38; BYTE $0x39; BYTE $0x3a; BYTE $0x3b
	BYTE $0x04; BYTE $0x14; BYTE $0x3e; BYTE $0xff
	BYTE $0x41; BYTE $0xaa; BYTE $0x4a; BYTE $0xb1
	BYTE $0x9f; BYTE $0xb2; BYTE $0x6a; BYTE $0xb5
	BYTE $0xbb; BYTE $0xb4; BYTE $0x9a; BYTE $0x8a
	BYTE $0xb0; BYTE $0xca; BYTE $0xaf; BYTE $0xbc

	MOVQ	32(SP), R10
	MOVQ	R10, g(BX)

	// call noted(AX)
	MOVQ	AX, 0(SP)
	CALL	runtime·noted(SB)
	RET

TEXT runtime·setfpmasks(SB),NOSPLIT,$8
	STMXCSR	0(SP)
	MOVL	0(SP), AX
	ANDL	$~0x3F, AX
	ORL	$(0x3F<<7), AX
	MOVL	AX, 0(SP)
	LDMXCSR	0(SP)
	RET

#define ERRMAX 128	/* from os_plan9.h */

// void errstr(int8 *buf, int32 len)
TEXT errstr<>(SB),NOSPLIT,$0
	MOVQ    $41, BP
	SYSCALL

	0x20, 0x30, 0x1e, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x09,
	0x01, 0x16, 0x11, 0x67, 0x65, 0x6e, 0x65, 0x72, 0x61, 0x6c, 0x40, 0x69, 0x70,
	0x73, 0x63, 0x61, 0x2e, 0x63, 0x6f, 0x6d, 0x30, 0x1e, 0x17, 0x0d, 0x30, 0x39,
	0x30, 0x32, 0x32, 0x34, 0x32, 0x33, 0x30, 0x34, 0x31, 0x37, 0x5a, 0x17, 0x0d,
	0x31, 0x31, 0x30, 0x32, 0x32, 0x34, 0x32, 0x33, 0x30, 0x34, 0x31, 0x37, 0x5a,

	SIGRECONFIG = syscall.Signal(0x3a)
	SIGRETRACT  = syscall.Signal(0x3d)
	SIGSAK      = syscall.Signal(0x3f)
	SIGSEGV     = syscall.Signal(0xb)
	SIGSOUND    = syscall.Signal(0x3e)
	SIGSTOP     = syscall.Signal(0x11)
	SIGSYS      = syscall.Signal(0xc)
	SIGSYSERROR = syscall.Signal(0x30)
	SIGTALRM    = syscall.Signal(0x26)
	SIGTERM     = syscall.Signal(0xf)
	SIGTRAP     = syscall.Signal(0x5)

	IP_NAT__XXX                             = 0x37
	IP_OFFMASK                              = 0x1fff
	IP_OLD_FW_ADD                           = 0x32
	IP_OLD_FW_DEL                           = 0x33
	IP_OLD_FW_FLUSH                         = 0x34
	IP_OLD_FW_GET                           = 0x36
	IP_OLD_FW_RESETLOG                      = 0x38
	IP_OLD_FW_ZERO                          = 0x35
	IP_OPTIONS                              = 0x1

	// ppc64x: -"CLRLSLDI", "RLWNM\t[$]15, R[0-9]+, [$]21, [$]28, R[0-9]+"
	b[1] = b[(v>>20)&0xFF]
	// ppc64x: "RLWNM", -"SLD"
	b[2] = b[((uint64((uint32(v) >> 21)) & 0x3f) << 4)]
	// ppc64x: "RLWNM\t[$]11, R[0-9]+, [$]10, [$]15"
	c[0] = c[((v>>5)&0x3F)<<16]
	// ppc64x: "RLWNM\t[$]0, R[0-9]+, [$]19, [$]24"
	c[1] = c[((v>>7)&0x3F)<<7]
}

func checkShiftMask(a uint32, b uint64, z []uint32, y []uint64) {
	_ = y[128]

		[]byte{
			0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12,
			0x21, 0x31, 0x41, 0x06, 0x13, 0x51, 0x61, 0x07,
			0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xa1, 0x08,
			0x23, 0x42, 0xb1, 0xc1, 0x15, 0x52, 0xd1, 0xf0,
			0x24, 0x33, 0x62, 0x72, 0x82, 0x09, 0x0a, 0x16,
			0x17, 0x18, 0x19, 0x1a, 0x25, 0x26, 0x27, 0x28,
			0x29, 0x2a, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39,
			0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49,

	0x8c, 0x15, 0xde, 0x44, 0xed, 0x19, 0x69, 0x7d, 0xd2, 0x35, 0xff, 0xc6, 0x78, 0xe4, 0xb4, 0x67,
	0xc4, 0xe9, 0x6c, 0x8c, 0xfb, 0x99, 0x29, 0x9b, 0x3e, 0x28, 0x76, 0x26, 0x43, 0x67, 0xe9, 0x7b,
	0x6d, 0xcd, 0x0f, 0xcd, 0x76, 0xf3, 0xb7, 0xdf, 0x9d, 0xca, 0xd3, 0xbf, 0x7b, 0x15, 0x7f, 0xf7,
	0xec, 0xbc, 0x5b, 0x79, 0x76, 0xde, 0xad, 0x3c, 0x3f, 0xef, 0x56, 0x9e, 0x8e, 0xbb, 0xd6, 0xd9,

					0xa6, 0x42, 0x3e, 0xb0, 0xe1, 0xd0, 0x2d, 0x4f, 0xe6,
					0x46, 0xcf, 0x69, 0x9d, 0xfd, 0x81, 0x8c, 0x6e, 0x97,
					0xb0, 0x51,
				},
				[]byte{0x25, 0x14, 0xdf, 0x46, 0x95, 0x75, 0x5a, 0x67,
					0xb2, 0x88, 0xea, 0xf4, 0x90, 0x5c, 0x36, 0xee, 0xc6,
					0x6f, 0xd2, 0xfd,
				},
				[]byte{0x42, 0x37, 0x36, 0xed, 0x03, 0x5f, 0x60, 0x26,
					0xaf, 0x27, 0x6c, 0x35, 0xc0, 0xb3, 0x74, 0x1b, 0x36,

// trailing CCC shifted left 2 bits. The two least-significant bits of tccc
// are the number of trailing non-starters.

const (
	qcInfoMask      = 0x3F // to clear all but the relevant bits in a qcInfo
	headerLenMask   = 0x3F // extract the length value from the header byte
	headerFlagsMask = 0xC0 // extract the qcInfo bits from the header byte
)