// asmcheck

// 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.

package codegen

func cmovint(c int) int {
	x := c + 4
	if x < 0 {
		x = 182
	}
	// amd64:"CMOVQLT"
	// arm64:"CSEL\tLT"
	// ppc64x:"ISEL\t[$]0"
	// wasm:"Select"
	return x
}

func cmovchan(x, y chan int) chan int {
	if x != y {
		x = y
	}

// asmcheck

// 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.

package codegen

import "math/bits"

// ------------------- //
//    const rotates    //
// ------------------- //

func rot64(x uint64) uint64 {
	var a uint64

	// amd64:"ROLQ\t[$]7"
	// ppc64x:"ROTL\t[$]7"
	// loong64: "ROTRV\t[$]57"

// asmcheck

// Copyright 2020 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 codegen

import (
	"math/bits"
)

// This file contains codegen tests related to boolean simplifications/optimizations.

func convertNeq0B(x uint8, c bool) bool {
	// amd64:"ANDL\t[$]1",-"SETNE"
	// ppc64x:"RLDICL",-"CMPW",-"ISEL"
	b := x&1 != 0

// asmcheck

// 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.

package codegen

import "math/bits"

/************************************
 * 64-bit instructions
 ************************************/

func bitcheck64_constleft(a uint64) (n int) {
	// amd64:"BTQ\t[$]63"
	if a&(1<<63) != 0 {
		return 1
	}

// asmcheck

// 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.

package codegen

// This file contains codegen tests related to bit field
// insertion/extraction simplifications/optimizations.

func extr1(x, x2 uint64) uint64 {
	return x<<7 + x2>>57 // arm64:"EXTR\t[$]57,"
}

func extr2(x, x2 uint64) uint64 {

// asmcheck

// 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.

package codegen

// ------------------ //
//   constant shifts  //
// ------------------ //

func lshConst64x64(v int64) int64 {
	// ppc64x:"SLD"
	// riscv64:"SLLI",-"AND",-"SLTIU"
	return v << uint64(33)
}

func rshConst64Ux64(v uint64) uint64 {

// asmcheck

// 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.

package codegen

// This file contains codegen tests related to arithmetic
// simplifications and optimizations on integer types.
// For codegen tests on float types, see floats.go.

// ----------------- //
//    Addition       //
// ----------------- //

// asmcheck

// 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.

package codegen

var x [2]bool
var x8 [2]uint8
var x16 [2]uint16
var x32 [2]uint32
var x64 [2]uint64

func compMem1() int {
	// amd64:`CMPB\tcommand-line-arguments.x\+1\(SB\), [$]0`
	if x[1] {
		return 1
	}

// asmcheck

// 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.

package codegen

import (
	"cmp"
	"unsafe"
)

// This file contains code generation tests related to the comparison
// operators.

// -------------- //
//    Equality    //
// -------------- //

// asmcheck

// 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.

package codegen

import "math/bits"

// ----------------------- //
//    bits.LeadingZeros    //
// ----------------------- //

func LeadingZeros(n uint) int {
	// amd64/v1,amd64/v2:"BSRQ"
	// amd64/v3:"LZCNTQ", -"BSRQ"
	// s390x:"FLOGR"