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https://github.com/golang/go
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05962561ae
Current implementation doesn't consider MOVDreg type operand and fail to combine it into larger store. This patch fixes the issue. Fixes #24242 Change-Id: I7d68697f80e76f48c3528ece01a602bf513248ec Reviewed-on: https://go-review.googlesource.com/98397 Run-TryBot: Giovanni Bajo <rasky@develer.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Cherry Zhang <cherryyz@google.com>
174 lines
3.9 KiB
Go
174 lines
3.9 KiB
Go
// asmcheck
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// Copyright 2018 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package codegen
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import "encoding/binary"
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var sink64 uint64
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var sink32 uint32
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var sink16 uint16
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func load_le64(b []byte) {
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// amd64:`MOVQ\s\(.*\),`
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// s390x:`MOVDBR\s\(.*\),`
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// arm64:`MOVD\s\(R[0-9]+\),`
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// ppc64le:`MOVD\s`,-`MOV[BHW]Z`
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sink64 = binary.LittleEndian.Uint64(b)
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}
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func load_le64_idx(b []byte, idx int) {
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// amd64:`MOVQ\s\(.*\)\(.*\*1\),`
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// s390x:`MOVDBR\s\(.*\)\(.*\*1\),`
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// arm64:`MOVD\s\(R[0-9]+\),`
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// ppc64le:`MOVD\s`,-`MOV[BHW]Z\s`
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sink64 = binary.LittleEndian.Uint64(b[idx:])
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}
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func load_le32(b []byte) {
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// amd64:`MOVL\s\(.*\),` 386:`MOVL\s\(.*\),`
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// s390x:`MOVWBR\s\(.*\),`
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// arm64:`MOVWU\s\(R[0-9]+\),`
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// ppc64le:`MOVWZ\s`
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sink32 = binary.LittleEndian.Uint32(b)
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}
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func load_le32_idx(b []byte, idx int) {
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// amd64:`MOVL\s\(.*\)\(.*\*1\),` 386:`MOVL\s\(.*\)\(.*\*1\),`
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// s390x:`MOVWBR\s\(.*\)\(.*\*1\),`
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// arm64:`MOVWU\s\(R[0-9]+\),`
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// ppc64le:`MOVWZ\s`
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sink32 = binary.LittleEndian.Uint32(b[idx:])
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}
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func load_le16(b []byte) {
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// amd64:`MOVWLZX\s\(.*\),`
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// ppc64le:`MOVHZ\s`
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sink16 = binary.LittleEndian.Uint16(b)
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}
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func load_le16_idx(b []byte, idx int) {
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// amd64:`MOVWLZX\s\(.*\),`
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// ppc64le:`MOVHZ\s`
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sink16 = binary.LittleEndian.Uint16(b[idx:])
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}
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func load_be64(b []byte) {
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// amd64:`BSWAPQ`
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// s390x:`MOVD\s\(.*\),`
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// arm64:`REV`
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sink64 = binary.BigEndian.Uint64(b)
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}
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func load_be64_idx(b []byte, idx int) {
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// amd64:`BSWAPQ`
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// s390x:`MOVD\s\(.*\)\(.*\*1\),`
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// arm64:`REV`
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sink64 = binary.BigEndian.Uint64(b[idx:])
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}
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func load_be32(b []byte) {
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// amd64:`BSWAPL`
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// s390x:`MOVWZ\s\(.*\),`
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// arm64:`REVW`
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sink32 = binary.BigEndian.Uint32(b)
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}
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func load_be32_idx(b []byte, idx int) {
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// amd64:`BSWAPL`
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// s390x:`MOVWZ\s\(.*\)\(.*\*1\),`
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// arm64:`REVW`
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sink32 = binary.BigEndian.Uint32(b[idx:])
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}
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func load_be16(b []byte) {
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// amd64:`ROLW\s\$8`
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sink16 = binary.BigEndian.Uint16(b)
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}
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func load_be16_idx(b []byte, idx int) {
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// amd64:`ROLW\s\$8`
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sink16 = binary.BigEndian.Uint16(b[idx:])
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}
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func store_le64(b []byte) {
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// amd64:`MOVQ\s.*\(.*\)$`,-`SHR.`
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// arm64:`MOVD`,-`MOV[WBH]`
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// ppc64le:`MOVD\s`,-`MOV[BHW]\s`
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binary.LittleEndian.PutUint64(b, sink64)
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}
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func store_le64_idx(b []byte, idx int) {
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// amd64:`MOVQ\s.*\(.*\)\(.*\*1\)$`,-`SHR.`
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// arm64:`MOVD`,-`MOV[WBH]`
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// ppc64le:`MOVD\s`,-`MOV[BHW]\s`
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binary.LittleEndian.PutUint64(b[idx:], sink64)
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}
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func store_le32(b []byte) {
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// amd64:`MOVL\s`
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// arm64:`MOVW`,-`MOV[BH]`
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// ppc64le:`MOVW\s`
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binary.LittleEndian.PutUint32(b, sink32)
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}
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func store_le32_idx(b []byte, idx int) {
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// amd64:`MOVL\s`
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// arm64:`MOVW`,-`MOV[BH]`
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// ppc64le:`MOVW\s`
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binary.LittleEndian.PutUint32(b[idx:], sink32)
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}
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func store_le16(b []byte) {
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// amd64:`MOVW\s`
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// arm64:`MOVH`,-`MOVB`
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// ppc64le(DISABLED):`MOVH\s`
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binary.LittleEndian.PutUint16(b, sink16)
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}
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func store_le16_idx(b []byte, idx int) {
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// amd64:`MOVW\s`
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// arm64:`MOVH`,-`MOVB`
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// ppc64le(DISABLED):`MOVH\s`
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binary.LittleEndian.PutUint16(b[idx:], sink16)
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}
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func store_be64(b []byte) {
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// amd64:`BSWAPQ`,-`SHR.`
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// arm64:`MOVD`,`REV`,-`MOV[WBH]`
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binary.BigEndian.PutUint64(b, sink64)
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}
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func store_be64_idx(b []byte, idx int) {
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// amd64:`BSWAPQ`,-`SHR.`
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// arm64:`MOVD`,`REV`,-`MOV[WBH]`
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binary.BigEndian.PutUint64(b[idx:], sink64)
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}
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func store_be32(b []byte) {
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// amd64:`BSWAPL`,-`SHR.`
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// arm64:`MOVW`,`REVW`,-`MOV[BH]`
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binary.BigEndian.PutUint32(b, sink32)
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}
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func store_be32_idx(b []byte, idx int) {
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// amd64:`BSWAPL`,-`SHR.`
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// arm64:`MOVW`,`REVW`,-`MOV[BH]`
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binary.BigEndian.PutUint32(b[idx:], sink32)
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}
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func store_be16(b []byte) {
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// amd64:`ROLW\s\$8`,-`SHR.`
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// arm64:`MOVH`,`REV16W`,-`MOVB`
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binary.BigEndian.PutUint16(b, sink16)
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}
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func store_be16_idx(b []byte, idx int) {
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// amd64:`ROLW\s\$8`,-`SHR.`
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// arm64:`MOVH`,`REV16W`,-`MOVB`
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binary.BigEndian.PutUint16(b[idx:], sink16)
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}
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