// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package types

const BADWIDTH = -1000000000

type bitset8 uint8

func (f *bitset8) set(mask uint8, b bool) {
	if b {
		*(*uint8)(f) |= mask
	} else {
		*(*uint8)(f) &^= mask
	}

// run

// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Issue 1608.
// Size used to be -1000000000.

package main

import "unsafe"

func main() {
	var a interface{} = 0
	size := unsafe.Sizeof(a)
	if size != 2*unsafe.Sizeof((*int)(nil)) {
		println("wrong size: ", size)
	}

}

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

	LEAQ	0(SP), SI
	MOVQ	runtime·vdsoClockgettimeSym(SB), AX
	CALL	AX

ret:
	MOVQ	16(SP), AX	// realtime sec
	MOVQ	24(SP), DI	// realtime nsec (moved to BX below)
	MOVQ	0(SP), CX	// monotonic sec
	IMULQ	$1000000000, CX
	MOVQ	8(SP), DX	// monotonic nsec

	MOVQ	R12, SP		// Restore real SP

	// Restore vdsoPC, vdsoSP
	// We don't worry about being signaled between the two stores.

	case 3:
		return 1000
	case 4:
		return 10000
	case 5:
		return 100000
	case 6:
		return 1000000
	case 7:
		return 10000000
	case 8:
		return 100000000
	case 9:
		return 1000000000
	case 10:
		return 10000000000
	case 11:
		return 100000000000
	case 12:
		return 1000000000000
	case 13:
		return 10000000000000
	case 14:
		return 100000000000000
	case 15:

	// 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

			m := modload.PackageModule(path)
			if m.Path != "" {
				byModule[m.Path] = append(byModule[m.Path], path)
			}
		}
		sep := ""
		for _, m := range mods {
			best := ""
			bestDepth := 1000000000
			for _, path := range byModule[m.Path] {
				d := modload.WhyDepth(path)
				if d > 0 && d < bestDepth {
					best = path
					bestDepth = d
				}
			}
			why := modload.Why(best)