go/test/codegen/memcombine.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

import "encoding/binary"

var sink64 uint64
var sink32 uint32
var sink16 uint16

func load_le64(b []byte) {
	// amd64:`MOVQ\s\(.*\),`
	// s390x:`MOVDBR\s\(.*\),`
	// arm64:`MOVD\s\(R[0-9]+\),`
	// ppc64le:`MOVD\s`,-`MOV[BHW]Z`
	sink64 = binary.LittleEndian.Uint64(b)
}

func load_le64_idx(b []byte, idx int) {
	// amd64:`MOVQ\s\(.*\)\(.*\*1\),`
	// s390x:`MOVDBR\s\(.*\)\(.*\*1\),`
	// arm64:`MOVD\s\(R[0-9]+\),`
	// ppc64le:`MOVD\s`,-`MOV[BHW]Z\s`
	sink64 = binary.LittleEndian.Uint64(b[idx:])
}

func load_le32(b []byte) {
	// amd64:`MOVL\s\(.*\),`           386:`MOVL\s\(.*\),`
	// s390x:`MOVWBR\s\(.*\),`
	// arm64:`MOVWU\s\(R[0-9]+\),`
	// ppc64le:`MOVWZ\s`
	sink32 = binary.LittleEndian.Uint32(b)
}

func load_le32_idx(b []byte, idx int) {
	// amd64:`MOVL\s\(.*\)\(.*\*1\),`  386:`MOVL\s\(.*\)\(.*\*1\),`
	// s390x:`MOVWBR\s\(.*\)\(.*\*1\),`
	// arm64:`MOVWU\s\(R[0-9]+\),`
	// ppc64le:`MOVWZ\s`
	sink32 = binary.LittleEndian.Uint32(b[idx:])
}

func load_le16(b []byte) {
	// amd64:`MOVWLZX\s\(.*\),`
	// ppc64le:`MOVHZ\s`
	sink16 = binary.LittleEndian.Uint16(b)
}

func load_le16_idx(b []byte, idx int) {
	// amd64:`MOVWLZX\s\(.*\),`
	// ppc64le:`MOVHZ\s`
	sink16 = binary.LittleEndian.Uint16(b[idx:])
}

func load_be64(b []byte) {
	// amd64:`BSWAPQ`
	// s390x:`MOVD\s\(.*\),`
	// arm64:`REV`
	sink64 = binary.BigEndian.Uint64(b)
}

func load_be64_idx(b []byte, idx int) {
	// amd64:`BSWAPQ`
	// s390x:`MOVD\s\(.*\)\(.*\*1\),`
	// arm64:`REV`
	sink64 = binary.BigEndian.Uint64(b[idx:])
}

func load_be32(b []byte) {
	// amd64:`BSWAPL`
	// s390x:`MOVWZ\s\(.*\),`
	// arm64:`REVW`
	sink32 = binary.BigEndian.Uint32(b)
}

func load_be32_idx(b []byte, idx int) {
	// amd64:`BSWAPL`
	// s390x:`MOVWZ\s\(.*\)\(.*\*1\),`
	// arm64:`REVW`
	sink32 = binary.BigEndian.Uint32(b[idx:])
}

func load_be16(b []byte) {
	// amd64:`ROLW\s\$8`
	sink16 = binary.BigEndian.Uint16(b)
}

func load_be16_idx(b []byte, idx int) {
	// amd64:`ROLW\s\$8`
	sink16 = binary.BigEndian.Uint16(b[idx:])
}

func store_le64(b []byte) {
	// amd64:`MOVQ\s.*\(.*\)$`,-`SHR.`
	// arm64:`MOVD`,-`MOV[WBH]`
	// ppc64le:`MOVD\s`,-`MOV[BHW]\s`
	binary.LittleEndian.PutUint64(b, sink64)
}

func store_le64_idx(b []byte, idx int) {
	// amd64:`MOVQ\s.*\(.*\)\(.*\*1\)$`,-`SHR.`
	// arm64:`MOVD`,-`MOV[WBH]`
	// ppc64le:`MOVD\s`,-`MOV[BHW]\s`
	binary.LittleEndian.PutUint64(b[idx:], sink64)
}

func store_le32(b []byte) {
	// amd64:`MOVL\s`
	// arm64(DISABLED):`MOVW`,-`MOV[BH]`
	// ppc64le:`MOVW\s`
	binary.LittleEndian.PutUint32(b, sink32)
}

func store_le32_idx(b []byte, idx int) {
	// amd64:`MOVL\s`
	// arm64(DISABLED):`MOVW`,-`MOV[BH]`
	// ppc64le:`MOVW\s`
	binary.LittleEndian.PutUint32(b[idx:], sink32)
}

func store_le16(b []byte) {
	// amd64:`MOVW\s`
	// arm64(DISABLED):`MOVH`,-`MOVB`
	// ppc64le(DISABLED):`MOVH\s`
	binary.LittleEndian.PutUint16(b, sink16)
}

func store_le16_idx(b []byte, idx int) {
	// amd64:`MOVW\s`
	// arm64(DISABLED):`MOVH`,-`MOVB`
	// ppc64le(DISABLED):`MOVH\s`
	binary.LittleEndian.PutUint16(b[idx:], sink16)
}

func store_be64(b []byte) {
	// amd64:`BSWAPQ`,-`SHR.`
	// arm64:`MOVD`,`REV`,-`MOV[WBH]`
	binary.BigEndian.PutUint64(b, sink64)
}

func store_be64_idx(b []byte, idx int) {
	// amd64:`BSWAPQ`,-`SHR.`
	// arm64:`MOVD`,`REV`,-`MOV[WBH]`
	binary.BigEndian.PutUint64(b[idx:], sink64)
}

func store_be32(b []byte) {
	// amd64:`BSWAPL`,-`SHR.`
	// arm64(DISABLED):`MOVW`,`REVW`,-`MOV[BH]`
	binary.BigEndian.PutUint32(b, sink32)
}

func store_be32_idx(b []byte, idx int) {
	// amd64:`BSWAPL`,-`SHR.`
	// arm64(DISABLED):`MOVW`,`REVW`,-`MOV[BH]`
	binary.BigEndian.PutUint32(b[idx:], sink32)
}

func store_be16(b []byte) {
	// amd64:`ROLW\s\$8`,-`SHR.`
	// arm64(DISABLED):`MOVH`,`REV16W`,-`MOVB`
	binary.BigEndian.PutUint16(b, sink16)
}

func store_be16_idx(b []byte, idx int) {
	// amd64:`ROLW\s\$8`,-`SHR.`
	// arm64(DISABLED):`MOVH`,`REV16W`,-`MOVB`
	binary.BigEndian.PutUint16(b[idx:], sink16)
}