Gecko [ 167.86.127.34 ]

Name	Size	Permission
README	5.15 KB	-rw-r--r--
alloc.go	902 B	-rw-r--r--
arithmetic.go	10.67 KB	-rw-r--r--
bitfield.go	5.54 KB	-rw-r--r--
bits.go	5.18 KB	-rw-r--r--
compare_and_branch.go	2.81 KB	-rw-r--r--
comparisons.go	5.04 KB	-rw-r--r--
condmove.go	3.14 KB	-rw-r--r--
copy.go	1.72 KB	-rw-r--r--
floats.go	3.06 KB	-rw-r--r--
issue22703.go	5.43 KB	-rw-r--r--
issue25378.go	433 B	-rw-r--r--
issue31618.go	504 B	-rw-r--r--
issue33580.go	459 B	-rw-r--r--
mapaccess.go	9.21 KB	-rw-r--r--
maps.go	2.77 KB	-rw-r--r--
math.go	4.54 KB	-rw-r--r--
mathbits.go	12.75 KB	-rw-r--r--
memcombine.go	22.58 KB	-rw-r--r--
memops.go	1.43 KB	-rw-r--r--
noextend.go	5.57 KB	-rw-r--r--
race.go	581 B	-rw-r--r--
rotate.go	2.51 KB	-rw-r--r--
shift.go	2.62 KB	-rw-r--r--
slices.go	3.36 KB	-rw-r--r--
stack.go	2.96 KB	-rw-r--r--
strings.go	2.03 KB	-rw-r--r--
structs.go	905 B	-rw-r--r--
switch.go	409 B	-rw-r--r--
zerosize.go	537 B	-rw-r--r--

Code Editor : slices.go

// 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 code generation tests related to the handling of
// slice types.

// ------------------ //
//      Clear         //
// ------------------ //

// Issue #5373 optimize memset idiom

func SliceClear(s []int) []int {
	// amd64:`.*memclrNoHeapPointers`
	for i := range s {
		s[i] = 0
	}
	return s
}

func SliceClearPointers(s []*int) []*int {
	// amd64:`.*memclrHasPointers`
	for i := range s {
		s[i] = nil
	}
	return s
}

// ------------------ //
//      Extension     //
// ------------------ //

// Issue #21266 - avoid makeslice in append(x, make([]T, y)...)

func SliceExtensionConst(s []int) []int {
	// amd64:`.*runtime\.memclrNoHeapPointers`
	// amd64:-`.*runtime\.makeslice`
	// amd64:-`.*runtime\.panicmakeslicelen`
	return append(s, make([]int, 1<<2)...)
}

func SliceExtensionConstInt64(s []int) []int {
	// amd64:`.*runtime\.memclrNoHeapPointers`
	// amd64:-`.*runtime\.makeslice`
	// amd64:-`.*runtime\.panicmakeslicelen`
	return append(s, make([]int, int64(1<<2))...)
}

func SliceExtensionConstUint64(s []int) []int {
	// amd64:`.*runtime\.memclrNoHeapPointers`
	// amd64:-`.*runtime\.makeslice`
	// amd64:-`.*runtime\.panicmakeslicelen`
	return append(s, make([]int, uint64(1<<2))...)
}

func SliceExtensionConstUint(s []int) []int {
	// amd64:`.*runtime\.memclrNoHeapPointers`
	// amd64:-`.*runtime\.makeslice`
	// amd64:-`.*runtime\.panicmakeslicelen`
	return append(s, make([]int, uint(1<<2))...)
}

func SliceExtensionPointer(s []*int, l int) []*int {
	// amd64:`.*runtime\.memclrHasPointers`
	// amd64:-`.*runtime\.makeslice`
	return append(s, make([]*int, l)...)
}

func SliceExtensionVar(s []byte, l int) []byte {
	// amd64:`.*runtime\.memclrNoHeapPointers`
	// amd64:-`.*runtime\.makeslice`
	return append(s, make([]byte, l)...)
}

func SliceExtensionVarInt64(s []byte, l int64) []byte {
	// amd64:`.*runtime\.memclrNoHeapPointers`
	// amd64:-`.*runtime\.makeslice`
	// amd64:`.*runtime\.panicmakeslicelen`
	return append(s, make([]byte, l)...)
}

func SliceExtensionVarUint64(s []byte, l uint64) []byte {
	// amd64:`.*runtime\.memclrNoHeapPointers`
	// amd64:-`.*runtime\.makeslice`
	// amd64:`.*runtime\.panicmakeslicelen`
	return append(s, make([]byte, l)...)
}

func SliceExtensionVarUint(s []byte, l uint) []byte {
	// amd64:`.*runtime\.memclrNoHeapPointers`
	// amd64:-`.*runtime\.makeslice`
	// amd64:`.*runtime\.panicmakeslicelen`
	return append(s, make([]byte, l)...)
}

func SliceExtensionInt64(s []int, l64 int64) []int {
	// 386:`.*runtime\.makeslice`
	// 386:-`.*runtime\.memclr`
	return append(s, make([]int, l64)...)
}

// ---------------------- //
//   Nil check of &s[0]   //
// ---------------------- //
// See issue 30366
func SliceNilCheck(s []int) {
	p := &s[0]
	// amd64:-`TESTB`
	_ = *p
}

// ---------------------- //
//   Init slice literal   //
// ---------------------- //
// See issue 21561
func InitSmallSliceLiteral() []int {
	// amd64:`MOVQ\t[$]42`
	return []int{42}
}

func InitNotSmallSliceLiteral() []int {
	// amd64:`MOVQ\t.*autotmp_`
	return []int{
		42,
		42,
		42,
		42,
		42,
		42,
		42,
		42,
		42,
		42,
		42,
		42,
		42,
		42,
		42,
		42,
		42,
		42,
		42,
		42,
		42,
		42,
		42,
		42,
		42,
		42,
		42,
		42,
		42,
		42,
		42,
		42,
		42,
		42,
		42,
		42,
	}
}

${this.title}

Code Editor : slices.go