FSTPD	(F2, F3), (18*8)(R20)
	FSTPD	(F4, F5), (20*8)(R20)
	FSTPD	(F6, F7), (22*8)(R20)
	FSTPD	(F8, F9), (24*8)(R20)
	FSTPD	(F10, F11), (26*8)(R20)
	FSTPD	(F12, F13), (28*8)(R20)
	FSTPD	(F14, F15), (30*8)(R20)
	RET

// unspillArgs loads args into registers from a *internal/abi.RegArgs in R20.
TEXT ·unspillArgs(SB),NOSPLIT,$0-0
	LDP	(0*8)(R20), (R0, R1)
	LDP	(2*8)(R20), (R2, R3)
	LDP	(4*8)(R20), (R4, R5)

#define SYS___sigaltstack14		SWI_OS_NETBSD | 281
#define SYS___sigprocmask14		SWI_OS_NETBSD | 293
#define SYS_issetugid			SWI_OS_NETBSD | 305
#define SYS_getcontext			SWI_OS_NETBSD | 307
#define SYS_setcontext			SWI_OS_NETBSD | 308
#define SYS__lwp_create			SWI_OS_NETBSD | 309
#define SYS__lwp_exit			SWI_OS_NETBSD | 310
#define SYS__lwp_self			SWI_OS_NETBSD | 311
#define SYS__lwp_getprivate		SWI_OS_NETBSD | 316

#define SYS_fcntl			92
#define SYS_mmap			197
#define SYS___sysctl			202
#define SYS___sigaltstack14		281
#define SYS___sigprocmask14		293
#define SYS_issetugid			305
#define SYS_getcontext			307
#define SYS_setcontext			308
#define SYS__lwp_create			309
#define SYS__lwp_exit			310
#define SYS__lwp_self			311
#define SYS__lwp_setprivate		317
#define SYS__lwp_kill			318
#define SYS__lwp_unpark			321
#define SYS___sigaction_sigtramp	340

#define SYS_fcntl			92
#define SYS_mmap			197
#define SYS___sysctl			202
#define SYS___sigaltstack14		281
#define SYS___sigprocmask14		293
#define SYS_issetugid			305
#define SYS_getcontext			307
#define SYS_setcontext			308
#define SYS__lwp_create			309
#define SYS__lwp_exit			310
#define SYS__lwp_self			311
#define SYS__lwp_kill			318
#define SYS__lwp_unpark			321
#define SYS___sigaction_sigtramp	340
#define SYS_kqueue			344

		return 301
	case 302:
		return 302
	case 303:
		return 303
	case 304:
		return 304
	case 305:
		return 305
	case 306:
		return 306
	case 307:
		return 307
	case 308:
		return 308
	case 309:
		return 309
	case 310:
		return 310
	case 311:
		return 311
	case 312:
		return 312
	case 313:
		return 313
	case 314:
		return 314
	case 315:
		return 315

	MOVD	F6, (22*8)(R25)
	MOVD	F7, (23*8)(R25)
	MOVD	F8, (24*8)(R25)
	MOVD	F9, (25*8)(R25)
	MOVD	F10, (26*8)(R25)
	MOVD	F11, (27*8)(R25)
	MOVD	F12, (28*8)(R25)
	MOVD	F13, (29*8)(R25)
	MOVD	F14, (30*8)(R25)
	MOVD	F15, (31*8)(R25)
	RET

// unspillArgs loads args into registers from a *internal/abi.RegArgs in R25.
TEXT ·unspillArgs(SB),NOSPLIT,$0-0
	MOVV	(0*8)(R25), R4
	MOVV	(1*8)(R25), R5

	MOVD	F16, (22*8)(X25)
	MOVD	F17, (23*8)(X25)
	MOVD	F8,  (24*8)(X25)
	MOVD	F9,  (25*8)(X25)
	MOVD	F18, (26*8)(X25)
	MOVD	F19, (27*8)(X25)
	MOVD	F20, (28*8)(X25)
	MOVD	F21, (29*8)(X25)
	MOVD	F22, (30*8)(X25)
	MOVD	F23, (31*8)(X25)
	RET

// unspillArgs loads args into registers from a *internal/abi.RegArgs in X25.
TEXT ·unspillArgs(SB),NOSPLIT,$0-0
	MOV	(0*8)(X25), X10
	MOV	(1*8)(X25), X11

		// https://www.exploringbinary.com/php-hangs-on-numeric-value-2-2250738585072011e-308/
		{"2.2250738585072011e-308", 2.225073858507201e-308, Below},
		// https://www.exploringbinary.com/java-hangs-when-converting-2-2250738585072012e-308/
		{"2.2250738585072012e-308", 2.2250738585072014e-308, Above},
	} {
		for i := 0; i < 2; i++ {
			// test both signs
			tx, tout, tacc := test.x, test.out, test.acc
			if i != 0 {

	var x305 uint64
	var x306 uint64
	x305, x306 = bits.Add64(x250, x286, uint64(p521Uint1(x304)))
	var x307 uint64
	var x308 uint64
	x307, x308 = bits.Add64(x252, x288, uint64(p521Uint1(x306)))
	var x309 uint64
	var x310 uint64
	x309, x310 = bits.Add64(x254, x290, uint64(p521Uint1(x308)))
	var x311 uint64
	var x312 uint64
	x311, x312 = bits.Add64(x256, x292, uint64(p521Uint1(x310)))
	var x313 uint64

	SYS_KLDFIND                  = 306 // { int kldfind(const char *file); }
	SYS_KLDNEXT                  = 307 // { int kldnext(int fileid); }
	SYS_KLDSTAT                  = 308 // { int kldstat(int fileid, struct \
	SYS_KLDFIRSTMOD              = 309 // { int kldfirstmod(int fileid); }
	SYS_GETSID                   = 310 // { int getsid(pid_t pid); }