// Copyright 2018 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.

//go:build dragonfly || freebsd || linux || netbsd || (openbsd && mips64)

package poll

import (
	"syscall"
	"unsafe"
)

func writev(fd int, iovecs []syscall.Iovec) (uintptr, error) {
	var (
		r uintptr
		e syscall.Errno
	)
	for {

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build 386 || amd64 || s390x || arm || arm64 || loong64 || ppc64 || ppc64le || mips || mipsle || wasm || mips64 || mips64le || riscv64

package bytealg

import _ "unsafe" // For go:linkname

//go:noescape
func Compare(a, b []byte) int

func CompareString(a, b string) int {
	return abigen_runtime_cmpstring(a, b)
}

	// (AtomicLoadPtr needs to be implemented in cmd/compile/internal/ssa/_gen/ARCH.rules.)
	switch goarch {
	case "amd64", "arm64", "loong64", "mips", "mipsle", "mips64", "mips64le", "ppc64", "ppc64le", "riscv64", "s390x":
		return true
	default:
		return false
	}
}

type TypeAssert struct {
	Cache   *TypeAssertCache
	Inter   *InterfaceType
	CanFail bool
}

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build gc

#include "textflag.h"

//
// System call support for mips64, OpenBSD
//

// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.

TEXT	·Syscall(SB),NOSPLIT,$0-56
	JMP	syscall·Syscall(SB)

	"armbe":       {4, 8},
	"arm64":       {8, 8},
	"arm64be":     {8, 8},
	"ia64":        {8, 8},
	"loong64":     {8, 8},
	"m68k":        {4, 2},
	"mips":        {4, 8},
	"mipsle":      {4, 8},
	"mips64":      {8, 8},
	"mips64le":    {8, 8},
	"mips64p32":   {4, 8},
	"mips64p32le": {4, 8},
	"nios2":       {4, 8},
	"ppc":         {4, 8},
	"ppc64":       {8, 8},
	"ppc64le":     {8, 8},
	"riscv":       {4, 8},

// Copyright 2013 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.

//go:build !math_big_pure_go && (mips64 || mips64le)

#include "textflag.h"

// This file provides fast assembly versions for the elementary
// arithmetic operations on vectors implemented in arith.go.

TEXT ·addVV(SB),NOSPLIT,$0
	JMP ·addVV_g(SB)

TEXT ·subVV(SB),NOSPLIT,$0

// floating point instructions, which are illegal in a note handler.

//go:build !386 && (!amd64 || plan9) && !s390x && !arm && !arm64 && !loong64 && !ppc64 && !ppc64le && !mips && !mipsle && !mips64 && !mips64le && !riscv64 && !wasm

package bytealg

func IndexByte(b []byte, c byte) int {
	for i, x := range b {
		if x == c {
			return i
		}
	}
	return -1
}

			return elf.R_ARM(nr).String()
		case sys.ARM64:
			return elf.R_AARCH64(nr).String()
		case sys.I386:
			return elf.R_386(nr).String()
		case sys.Loong64:
			return elf.R_LARCH(nr).String()
		case sys.MIPS, sys.MIPS64:
			return elf.R_MIPS(nr).String()
		case sys.PPC64:
			return elf.R_PPC64(nr).String()
		case sys.S390X:
			return elf.R_390(nr).String()
		case sys.RISCV64:
			return elf.R_RISCV(nr).String()
		default:

	"amd64":       true,
	"amd64p32":    true,
	"arm":         true,
	"armbe":       true,
	"arm64":       true,
	"arm64be":     true,
	"loong64":     true,
	"mips":        true,
	"mipsle":      true,
	"mips64":      true,
	"mips64le":    true,
	"mips64p32":   true,
	"mips64p32le": true,
	"ppc":         true,
	"ppc64":       true,
	"ppc64le":     true,
	"riscv":       true,
	"riscv64":     true,

// Copyright 2021 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.

//go:build amd64 || arm64 || loong64 || mips64 || mips64le || ppc64 || ppc64le || riscv64 || s390x || wasm

package atomic

// LoadAcquire is a partially unsynchronized version
// of Load that relaxes ordering constraints. Other threads
// may observe operations that precede this operation to