POPL	AX
	POPL	AX
	POPL	AX
	POPAL

	// Now segment is established. Initialize m, g.
	get_tls(AX)
	MOVL	DX, g(AX)
	MOVL	BX, g_m(DX)

	CALL	runtime·stackcheck(SB)	// smashes AX, CX
	MOVL	0(DX), DX	// paranoia; check they are not nil
	MOVL	0(BX), BX

	// more paranoia; check that stack splitting code works
	PUSHAL
	CALL	runtime·emptyfunc(SB)
	POPAL

nog:
	CALL	SI	// fn()

	"PMOVSXWQ",
	"PMOVZXBD",
	"PMOVZXBQ",
	"PMOVZXBW",
	"PMOVZXDQ",
	"PMOVZXWD",
	"PMOVZXWQ",
	"PMULDQ",
	"PMULHRSW",
	"PMULHUW",
	"PMULHW",
	"PMULLD",
	"PMULLW",
	"PMULULQ",
	"POPAL",
	"POPAW",
	"POPCNTL",
	"POPCNTQ",
	"POPCNTW",
	"POPFL",
	"POPFQ",
	"POPFW",
	"POPL",
	"POPQ",
	"POPW",
	"POR",
	"PREFETCHNTA",
	"PREFETCHT0",
	"PREFETCHT1",