MUL	R1, R0

	// Code stolen from compiler output for:
	//
	//	var x uint64
	//	func f() (sec uint64, nsec uint32) { return x / 1000000000, uint32(x % 1000000000) }
	//
	LSR	$1, R0, R1
	MOVD	$-8543223759426509416, R2
	UMULH	R1, R2, R1
	LSR	$28, R1, R1
	MOVD	R1, sec+0(FP)
	MOVD	$1000000000, R2
	MSUB	R1, R0, R2, R0
	MOVW	R0, nsec+8(FP)

	SUBQ	DI, AX
	IMULQ	$100, AX

	// generated code for
	//	func f(x uint64) (uint64, uint64) { return x/1000000000, x%1000000000 }
	// adapted to reduce duplication
	MOVQ	AX, CX
	MOVQ	$1360296554856532783, AX
	MULQ	CX
	ADDQ	CX, DX
	RCRQ	$1, DX
	SHRQ	$29, DX
	MOVQ	DX, sec+0(FP)
	IMULQ	$1000000000, DX
	SUBQ	DX, CX
	MOVL	CX, nsec+8(FP)

	int64(73220195),            // Int64N(1000000000)
	int64(686060398),           // Int64N(1073741824)

	int64(0),                   // IntN(1)
	int64(6),                   // IntN(10)
	int64(8),                   // IntN(32)
	int64(704922),              // IntN(1048576)
	int64(245656),              // IntN(1048577)
	int64(41205257),            // IntN(1000000000)
	int64(43831929),            // IntN(1073741824)

}

func walltime1() (sec int64, nsec int32) {
	var time timestamp
	if clock_time_get(clockRealtime, 0, unsafe.Pointer(&time)) != 0 {
		throw("clock_time_get failed")
	}
	return int64(time / 1000000000), int32(time % 1000000000)
}

func nanotime1() int64 {
	var time timestamp
	if clock_time_get(clockMonotonic, 0, unsafe.Pointer(&time)) != 0 {
		throw("clock_time_get failed")
	}
	return int64(time)

	// but we avoid overflow in the high word.)
	MOVL	$1000000000, CX
	DIVL	CX
	MOVL	AX, DI
	MOVL	DX, SI

	// DI = nano/100/1e9 = nano/1e11 = sec/100, DX = SI = nano/100%1e9
	// split DX into seconds and nanoseconds by div 1e7 magic multiply.
	MOVL	DX, AX
	MOVL	$1801439851, CX
	MULL	CX
	SHRL	$22, DX
	MOVL	DX, BX
	IMULL	$10000000, DX
	MOVL	SI, CX
	SUBL	DX, CX

	// DI = sec/100 (still)

	// unscale by discarding low 32 bits, shifting the rest by 29
	MOVW	R6>>29,R6		// R7:R6 = (R7:R6:R5 >> 61)
	ORR	R7<<3,R6
	MOVW	R7>>29,R7

	// subtract (10**9 * sec) from nsec to get nanosecond remainder
	MOVW	$1000000000, R5	// 10**9
	MULLU	R6,R5,(R9,R8)   // R9:R8 = R7:R6 * R5
	MULA	R7,R5,R9,R9
	SUB.S	R8,R1		// R2:R1 -= R9:R8
	SBC	R9,R2

	// because reciprocal was a truncated repeating fraction, quotient

	// HighestUserDefinablePriority is the highest priority for user defined priority classes. Priority values larger than 1 billion are reserved for Kubernetes system use.
	HighestUserDefinablePriority = int32(1000000000)
	// SystemCriticalPriority is the beginning of the range of priority values for critical system components.
	SystemCriticalPriority = 2 * HighestUserDefinablePriority

	MOV	32(X2), T2
	MOV	T2, m_vdsoSP(S3)
	// sec is in T0, nsec in T1
	// return nsec in T0
	MOV	$1000000000, T2
	MUL	T2, T0
	ADD	T1, T0
	MOV	T0, ret+0(FP)
	RET

fallback:
	MOV	$8(X2), A1
	MOV	$SYS_clock_gettime, A7
	ECALL
	MOV	8(X2), T0	// sec
	MOV	16(X2), T1	// nsec
	MOV	$1000000000, T2
	MUL	T2, T0
	ADD	T1, T0
	MOV	T0, ret+0(FP)
	RET

        assertEquals("1000", FessFunctions.formatFileSize(1000));
        assertEquals("976.6K", FessFunctions.formatFileSize(1000000));
        assertEquals("953.7M", FessFunctions.formatFileSize(1000000000));
        assertEquals("931.3G", FessFunctions.formatFileSize(1000000000000L));
        assertEquals("909.5T", FessFunctions.formatFileSize(1000000000000000L));
    }

    public void test_parseDate() {

		throw("sem_init")
	}
	mp.waitsema = uintptr(unsafe.Pointer(sem))
}

//go:nosplit
func semasleep(ns int64) int32 {
	mp := getg().m
	if ns >= 0 {
		mp.ts.tv_sec = ns / 1000000000
		mp.ts.tv_nsec = ns % 1000000000

		mp.libcall.fn = uintptr(unsafe.Pointer(&libc_sem_reltimedwait_np))
		mp.libcall.n = 2
		mp.scratch = mscratch{}
		mp.scratch.v[0] = mp.waitsema