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667 lines
23 KiB
667 lines
23 KiB
// 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 (
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"encoding/binary"
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"runtime"
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)
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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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// ------------- //
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// Loading //
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// ------------- //
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func load_le64(b []byte) {
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// amd64:`MOVQ\s\(.*\),`,-`MOV[BWL]\t[^$]`,-`OR`
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// s390x:`MOVDBR\s\(.*\),`
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// arm64:`MOVD\s\(R[0-9]+\),`,-`MOV[BHW]`
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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\(.*\)\(.*\*1\),`,-`MOV[BWL]\t[^$]`,-`OR`
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// s390x:`MOVDBR\s\(.*\)\(.*\*1\),`
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// arm64:`MOVD\s\(R[0-9]+\)\(R[0-9]+\),`,-`MOV[BHW]`
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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\(.*\),`,-`MOV[BW]`,-`OR`
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// 386:`MOVL\s\(.*\),`,-`MOV[BW]`,-`OR`
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// s390x:`MOVWBR\s\(.*\),`
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// arm64:`MOVWU\s\(R[0-9]+\),`,-`MOV[BH]`
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// ppc64le:`MOVWZ\s`,-`MOV[BH]Z\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\(.*\)\(.*\*1\),`,-`MOV[BW]`,-`OR`
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// 386:`MOVL\s\(.*\)\(.*\*1\),`,-`MOV[BW]`,-`OR`
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// s390x:`MOVWBR\s\(.*\)\(.*\*1\),`
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// arm64:`MOVWU\s\(R[0-9]+\)\(R[0-9]+\),`,-`MOV[BH]`
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// ppc64le:`MOVWZ\s`,-`MOV[BH]Z\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\(.*\),`,-`MOVB`,-`OR`
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// ppc64le:`MOVHZ\s`,-`MOVBZ`
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// arm64:`MOVHU\s\(R[0-9]+\),`,-`MOVB`
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// s390x:`MOVHBR\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\(.*\),`,-`MOVB`,-`OR`
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// ppc64le:`MOVHZ\s`,-`MOVBZ`
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// arm64:`MOVHU\s\(R[0-9]+\)\(R[0-9]+\),`,-`MOVB`
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// s390x:`MOVHBR\s\(.*\)\(.*\*1\),`
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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`,-`MOV[BWL]\t[^$]`,-`OR`
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// s390x:`MOVD\s\(.*\),`
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// arm64:`REV`,`MOVD\s\(R[0-9]+\),`,-`MOV[BHW]`,-`REVW`,-`REV16W`
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// ppc64le:`MOVDBR`,-`MOV[BHW]Z`
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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`,-`MOV[BWL]\t[^$]`,-`OR`
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// s390x:`MOVD\s\(.*\)\(.*\*1\),`
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// arm64:`REV`,`MOVD\s\(R[0-9]+\)\(R[0-9]+\),`,-`MOV[WHB]`,-`REVW`,-`REV16W`
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// ppc64le:`MOVDBR`,-`MOV[BHW]Z`
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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`,-`MOV[BW]`,-`OR`
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// s390x:`MOVWZ\s\(.*\),`
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// arm64:`REVW`,`MOVWU\s\(R[0-9]+\),`,-`MOV[BH]`,-`REV16W`
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// ppc64le:`MOVWBR`,-`MOV[BH]Z`
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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`,-`MOV[BW]`,-`OR`
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// s390x:`MOVWZ\s\(.*\)\(.*\*1\),`
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// arm64:`REVW`,`MOVWU\s\(R[0-9]+\)\(R[0-9]+\),`,-`MOV[HB]`,-`REV16W`
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// ppc64le:`MOVWBR`,-`MOV[BH]Z`
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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`,-`MOVB`,-`OR`
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// arm64:`REV16W`,`MOVHU\s\(R[0-9]+\),`,-`MOVB`
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// ppc64le:`MOVHBR`
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// s390x:`MOVHZ\s\(.*\),`,-`OR`,-`ORW`,-`SLD`,-`SLW`
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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`,-`MOVB`,-`OR`
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// arm64:`REV16W`,`MOVHU\s\(R[0-9]+\)\(R[0-9]+\),`,-`MOVB`
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// ppc64le:`MOVHBR`
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// s390x:`MOVHZ\s\(.*\)\(.*\*1\),`,-`OR`,-`ORW`,-`SLD`,-`SLW`
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sink16 = binary.BigEndian.Uint16(b[idx:])
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}
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func load_le_byte2_uint16(s []byte) uint16 {
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// arm64:`MOVHU\t\(R[0-9]+\)`,-`ORR`,-`MOVB`
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// 386:`MOVWLZX\s\([A-Z]+\)`,-`MOVB`,-`OR`
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// amd64:`MOVWLZX\s\([A-Z]+\)`,-`MOVB`,-`OR`
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// ppc64le:`MOVHZ\t\(R[0-9]+\)`,-`MOVBZ`
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return uint16(s[0]) | uint16(s[1])<<8
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}
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func load_le_byte2_uint16_inv(s []byte) uint16 {
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// arm64:`MOVHU\t\(R[0-9]+\)`,-`ORR`,-`MOVB`
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// 386:`MOVWLZX\s\([A-Z]+\)`,-`MOVB`,-`OR`
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// amd64:`MOVWLZX\s\([A-Z]+\)`,-`MOVB`,-`OR`
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// ppc64le:`MOVHZ\t\(R[0-9]+\)`,-`MOVDZ`
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return uint16(s[1])<<8 | uint16(s[0])
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}
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func load_le_byte4_uint32(s []byte) uint32 {
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// arm64:`MOVWU\t\(R[0-9]+\)`,-`ORR`,-`MOV[BH]`
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// 386:`MOVL\s\([A-Z]+\)`,-`MOV[BW]`,-`OR`
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// amd64:`MOVL\s\([A-Z]+\)`,-`MOV[BW]`,-`OR`
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// ppc64le:`MOVWZ\t\(R[0-9]+\)`,-`MOV[BH]Z`
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return uint32(s[0]) | uint32(s[1])<<8 | uint32(s[2])<<16 | uint32(s[3])<<24
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}
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func load_le_byte4_uint32_inv(s []byte) uint32 {
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// arm64:`MOVWU\t\(R[0-9]+\)`,-`ORR`,-`MOV[BH]`
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return uint32(s[3])<<24 | uint32(s[2])<<16 | uint32(s[1])<<8 | uint32(s[0])
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}
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func load_le_byte8_uint64(s []byte) uint64 {
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// arm64:`MOVD\t\(R[0-9]+\)`,-`ORR`,-`MOV[BHW]`
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// amd64:`MOVQ\s\([A-Z]+\),\s[A-Z]+`,-`MOV[BWL]\t[^$]`,-`OR`
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// ppc64le:`MOVD\t\(R[0-9]+\)`,-`MOV[BHW]Z`
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return uint64(s[0]) | uint64(s[1])<<8 | uint64(s[2])<<16 | uint64(s[3])<<24 | uint64(s[4])<<32 | uint64(s[5])<<40 | uint64(s[6])<<48 | uint64(s[7])<<56
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}
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func load_le_byte8_uint64_inv(s []byte) uint64 {
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// arm64:`MOVD\t\(R[0-9]+\)`,-`ORR`,-`MOV[BHW]`
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return uint64(s[7])<<56 | uint64(s[6])<<48 | uint64(s[5])<<40 | uint64(s[4])<<32 | uint64(s[3])<<24 | uint64(s[2])<<16 | uint64(s[1])<<8 | uint64(s[0])
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}
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func load_be_byte2_uint16(s []byte) uint16 {
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// arm64:`MOVHU\t\(R[0-9]+\)`,`REV16W`,-`ORR`,-`MOVB`
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// amd64:`MOVWLZX\s\([A-Z]+\)`,`ROLW`,-`MOVB`,-`OR`
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// ppc64le:`MOVHBR\t\(R[0-9]+\)`,-`MOVBZ`
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return uint16(s[0])<<8 | uint16(s[1])
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}
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func load_be_byte2_uint16_inv(s []byte) uint16 {
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// arm64:`MOVHU\t\(R[0-9]+\)`,`REV16W`,-`ORR`,-`MOVB`
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// amd64:`MOVWLZX\s\([A-Z]+\)`,`ROLW`,-`MOVB`,-`OR`
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// ppc64le:`MOVHBR\t\(R[0-9]+\)`,-`MOVBZ`
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return uint16(s[1]) | uint16(s[0])<<8
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}
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func load_be_byte4_uint32(s []byte) uint32 {
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// arm64:`MOVWU\t\(R[0-9]+\)`,`REVW`,-`ORR`,-`REV16W`,-`MOV[BH]`
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return uint32(s[0])<<24 | uint32(s[1])<<16 | uint32(s[2])<<8 | uint32(s[3])
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}
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func load_be_byte4_uint32_inv(s []byte) uint32 {
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// arm64:`MOVWU\t\(R[0-9]+\)`,`REVW`,-`ORR`,-`REV16W`,-`MOV[BH]`
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// amd64:`MOVL\s\([A-Z]+\)`,`BSWAPL`,-`MOV[BW]`,-`OR`
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return uint32(s[3]) | uint32(s[2])<<8 | uint32(s[1])<<16 | uint32(s[0])<<24
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}
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func load_be_byte8_uint64(s []byte) uint64 {
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// arm64:`MOVD\t\(R[0-9]+\)`,`REV`,-`ORR`,-`REVW`,-`REV16W`,-`MOV[BHW]`
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// ppc64le:`MOVDBR\t\(R[0-9]+\)`,-`MOV[BHW]Z`
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return uint64(s[0])<<56 | uint64(s[1])<<48 | uint64(s[2])<<40 | uint64(s[3])<<32 | uint64(s[4])<<24 | uint64(s[5])<<16 | uint64(s[6])<<8 | uint64(s[7])
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}
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func load_be_byte8_uint64_inv(s []byte) uint64 {
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// arm64:`MOVD\t\(R[0-9]+\)`,`REV`,-`ORR`,-`REVW`,-`REV16W`,-`MOV[BHW]`
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// amd64:`MOVQ\s\([A-Z]+\),\s[A-Z]+`,`BSWAPQ`,-`MOV[BWL]\t[^$]`,-`OR`
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// ppc64le:`MOVDBR\t\(R[0-9]+\)`,-`MOV[BHW]Z`
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return uint64(s[7]) | uint64(s[6])<<8 | uint64(s[5])<<16 | uint64(s[4])<<24 | uint64(s[3])<<32 | uint64(s[2])<<40 | uint64(s[1])<<48 | uint64(s[0])<<56
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}
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func load_le_byte2_uint16_idx(s []byte, idx int) uint16 {
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// arm64:`MOVHU\s\(R[0-9]+\)\(R[0-9]+\)`,-`ORR`,-`MOVB`
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// 386:`MOVWLZX\s\([A-Z]+\)\([A-Z]+`,-`ORL`,-`MOVB`
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// amd64:`MOVWLZX\s\([A-Z]+\)\([A-Z]+`,-`MOVB`,-`OR`
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return uint16(s[idx]) | uint16(s[idx+1])<<8
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}
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func load_le_byte2_uint16_idx_inv(s []byte, idx int) uint16 {
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// arm64:`MOVHU\s\(R[0-9]+\)\(R[0-9]+\)`,-`ORR`,-`MOVB`
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// 386:`MOVWLZX\s\([A-Z]+\)\([A-Z]+`,-`ORL`,-`MOVB`
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// amd64:`MOVWLZX\s\([A-Z]+\)\([A-Z]+`,-`MOVB`,-`OR`
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return uint16(s[idx+1])<<8 | uint16(s[idx])
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}
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func load_le_byte4_uint32_idx(s []byte, idx int) uint32 {
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// arm64:`MOVWU\s\(R[0-9]+\)\(R[0-9]+\)`,-`ORR`,-`MOV[BH]`
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// amd64:`MOVL\s\([A-Z]+\)\([A-Z]+`,-`MOV[BW]`,-`OR`
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return uint32(s[idx]) | uint32(s[idx+1])<<8 | uint32(s[idx+2])<<16 | uint32(s[idx+3])<<24
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}
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func load_le_byte4_uint32_idx_inv(s []byte, idx int) uint32 {
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// arm64:`MOVWU\s\(R[0-9]+\)\(R[0-9]+\)`,-`ORR`,-`MOV[BH]`
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return uint32(s[idx+3])<<24 | uint32(s[idx+2])<<16 | uint32(s[idx+1])<<8 | uint32(s[idx])
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}
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func load_le_byte8_uint64_idx(s []byte, idx int) uint64 {
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// arm64:`MOVD\s\(R[0-9]+\)\(R[0-9]+\)`,-`ORR`,-`MOV[BHW]`
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// amd64:`MOVQ\s\([A-Z]+\)\([A-Z]+`,-`MOV[BWL]`,-`OR`
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return uint64(s[idx]) | uint64(s[idx+1])<<8 | uint64(s[idx+2])<<16 | uint64(s[idx+3])<<24 | uint64(s[idx+4])<<32 | uint64(s[idx+5])<<40 | uint64(s[idx+6])<<48 | uint64(s[idx+7])<<56
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}
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func load_le_byte8_uint64_idx_inv(s []byte, idx int) uint64 {
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// arm64:`MOVD\s\(R[0-9]+\)\(R[0-9]+\)`,-`ORR`,-`MOV[BHW]`
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return uint64(s[idx+7])<<56 | uint64(s[idx+6])<<48 | uint64(s[idx+5])<<40 | uint64(s[idx+4])<<32 | uint64(s[idx+3])<<24 | uint64(s[idx+2])<<16 | uint64(s[idx+1])<<8 | uint64(s[idx])
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}
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func load_be_byte2_uint16_idx(s []byte, idx int) uint16 {
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// arm64:`MOVHU\s\(R[0-9]+\)\(R[0-9]+\)`,`REV16W`,-`ORR`,-`MOVB`
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// amd64:`MOVWLZX\s\([A-Z]+\)\([A-Z]+`,-`MOVB`,-`OR`
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return uint16(s[idx])<<8 | uint16(s[idx+1])
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}
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func load_be_byte2_uint16_idx_inv(s []byte, idx int) uint16 {
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// arm64:`MOVHU\s\(R[0-9]+\)\(R[0-9]+\)`,`REV16W`,-`ORR`,-`MOVB`
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// amd64:`MOVWLZX\s\([A-Z]+\)\([A-Z]+`,-`MOVB`,-`OR`
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return uint16(s[idx+1]) | uint16(s[idx])<<8
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}
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func load_be_byte4_uint32_idx(s []byte, idx int) uint32 {
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// arm64:`MOVWU\s\(R[0-9]+\)\(R[0-9]+\)`,`REVW`,-`ORR`,-`MOV[BH]`,-`REV16W`
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return uint32(s[idx])<<24 | uint32(s[idx+1])<<16 | uint32(s[idx+2])<<8 | uint32(s[idx+3])
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}
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func load_be_byte8_uint64_idx(s []byte, idx int) uint64 {
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// arm64:`MOVD\s\(R[0-9]+\)\(R[0-9]+\)`,`REV`,-`ORR`,-`MOV[BHW]`,-`REVW`,-`REV16W`
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return uint64(s[idx])<<56 | uint64(s[idx+1])<<48 | uint64(s[idx+2])<<40 | uint64(s[idx+3])<<32 | uint64(s[idx+4])<<24 | uint64(s[idx+5])<<16 | uint64(s[idx+6])<<8 | uint64(s[idx+7])
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}
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func load_le_byte2_uint16_idx2(s []byte, idx int) uint16 {
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// arm64:`MOVHU\s\(R[0-9]+\)\(R[0-9]+<<1\)`,-`ORR`,-`MOVB`
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return uint16(s[idx<<1]) | uint16(s[(idx<<1)+1])<<8
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}
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func load_le_byte2_uint16_idx2_inv(s []byte, idx int) uint16 {
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// arm64:`MOVHU\s\(R[0-9]+\)\(R[0-9]+<<1\)`,-`ORR`,-`MOVB`
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return uint16(s[(idx<<1)+1])<<8 | uint16(s[idx<<1])
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}
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func load_le_byte4_uint32_idx4(s []byte, idx int) uint32 {
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// arm64:`MOVWU\s\(R[0-9]+\)\(R[0-9]+<<2\)`,-`ORR`,-`MOV[BH]`
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return uint32(s[idx<<2]) | uint32(s[(idx<<2)+1])<<8 | uint32(s[(idx<<2)+2])<<16 | uint32(s[(idx<<2)+3])<<24
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}
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func load_le_byte4_uint32_idx4_inv(s []byte, idx int) uint32 {
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// arm64:`MOVWU\s\(R[0-9]+\)\(R[0-9]+<<2\)`,-`ORR`,-`MOV[BH]`
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return uint32(s[(idx<<2)+3])<<24 | uint32(s[(idx<<2)+2])<<16 | uint32(s[(idx<<2)+1])<<8 | uint32(s[idx<<2])
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}
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func load_le_byte8_uint64_idx8(s []byte, idx int) uint64 {
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// arm64:`MOVD\s\(R[0-9]+\)\(R[0-9]+<<3\)`,-`ORR`,-`MOV[BHW]`
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return uint64(s[idx<<3]) | uint64(s[(idx<<3)+1])<<8 | uint64(s[(idx<<3)+2])<<16 | uint64(s[(idx<<3)+3])<<24 | uint64(s[(idx<<3)+4])<<32 | uint64(s[(idx<<3)+5])<<40 | uint64(s[(idx<<3)+6])<<48 | uint64(s[(idx<<3)+7])<<56
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}
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func load_le_byte8_uint64_idx8_inv(s []byte, idx int) uint64 {
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// arm64:`MOVD\s\(R[0-9]+\)\(R[0-9]+<<3\)`,-`ORR`,-`MOV[BHW]`
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return uint64(s[(idx<<3)+7])<<56 | uint64(s[(idx<<3)+6])<<48 | uint64(s[(idx<<3)+5])<<40 | uint64(s[(idx<<3)+4])<<32 | uint64(s[(idx<<3)+3])<<24 | uint64(s[(idx<<3)+2])<<16 | uint64(s[(idx<<3)+1])<<8 | uint64(s[idx<<3])
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}
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func load_be_byte2_uint16_idx2(s []byte, idx int) uint16 {
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// arm64:`MOVHU\s\(R[0-9]+\)\(R[0-9]+<<1\)`,`REV16W`,-`ORR`,-`MOVB`
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return uint16(s[idx<<1])<<8 | uint16(s[(idx<<1)+1])
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}
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func load_be_byte2_uint16_idx2_inv(s []byte, idx int) uint16 {
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// arm64:`MOVHU\s\(R[0-9]+\)\(R[0-9]+<<1\)`,`REV16W`,-`ORR`,-`MOVB`
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return uint16(s[(idx<<1)+1]) | uint16(s[idx<<1])<<8
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}
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func load_be_byte4_uint32_idx4(s []byte, idx int) uint32 {
|
|
// arm64:`MOVWU\s\(R[0-9]+\)\(R[0-9]+<<2\)`,`REVW`,-`ORR`,-`MOV[BH]`,-`REV16W`
|
|
return uint32(s[idx<<2])<<24 | uint32(s[(idx<<2)+1])<<16 | uint32(s[(idx<<2)+2])<<8 | uint32(s[(idx<<2)+3])
|
|
}
|
|
|
|
func load_be_byte8_uint64_idx8(s []byte, idx int) uint64 {
|
|
// arm64:`MOVD\s\(R[0-9]+\)\(R[0-9]+<<3\)`,`REV`,-`ORR`,-`MOV[BHW]`,-`REVW`,-`REV16W`
|
|
return uint64(s[idx<<3])<<56 | uint64(s[(idx<<3)+1])<<48 | uint64(s[(idx<<3)+2])<<40 | uint64(s[(idx<<3)+3])<<32 | uint64(s[(idx<<3)+4])<<24 | uint64(s[(idx<<3)+5])<<16 | uint64(s[(idx<<3)+6])<<8 | uint64(s[(idx<<3)+7])
|
|
}
|
|
|
|
// Check load combining across function calls.
|
|
|
|
func fcall_byte(a, b byte) (byte, byte) {
|
|
return fcall_byte(fcall_byte(a, b)) // amd64:`MOVW`
|
|
}
|
|
|
|
func fcall_uint16(a, b uint16) (uint16, uint16) {
|
|
return fcall_uint16(fcall_uint16(a, b)) // amd64:`MOVL`
|
|
}
|
|
|
|
func fcall_uint32(a, b uint32) (uint32, uint32) {
|
|
return fcall_uint32(fcall_uint32(a, b)) // amd64:`MOVQ`
|
|
}
|
|
|
|
// We want to merge load+op in the first function, but not in the
|
|
// second. See Issue 19595.
|
|
func load_op_merge(p, q *int) {
|
|
x := *p // amd64:`ADDQ\t\(`
|
|
*q += x // The combined nilcheck and load would normally have this line number, but we want that combined operation to have the line number of the nil check instead (see #33724).
|
|
}
|
|
func load_op_no_merge(p, q *int) {
|
|
x := *p
|
|
for i := 0; i < 10; i++ {
|
|
*q += x // amd64:`ADDQ\t[A-Z]`
|
|
}
|
|
}
|
|
|
|
// Make sure offsets are folded into loads and stores.
|
|
func offsets_fold(_, a [20]byte) (b [20]byte) {
|
|
// arm64:`MOVD\t""\.a\+[0-9]+\(FP\), R[0-9]+`,`MOVD\tR[0-9]+, ""\.b\+[0-9]+\(FP\)`
|
|
b = a
|
|
return
|
|
}
|
|
|
|
// Make sure we don't put pointers in SSE registers across safe
|
|
// points.
|
|
|
|
func safe_point(p, q *[2]*int) {
|
|
a, b := p[0], p[1] // amd64:-`MOVUPS`
|
|
runtime.GC()
|
|
q[0], q[1] = a, b // amd64:-`MOVUPS`
|
|
}
|
|
|
|
// ------------- //
|
|
// Storing //
|
|
// ------------- //
|
|
|
|
func store_le64(b []byte) {
|
|
// amd64:`MOVQ\s.*\(.*\)$`,-`SHR.`
|
|
// arm64:`MOVD`,-`MOV[WBH]`
|
|
// ppc64le:`MOVD\s`,-`MOV[BHW]\s`
|
|
// s390x:`MOVDBR\s.*\(.*\)$`
|
|
binary.LittleEndian.PutUint64(b, sink64)
|
|
}
|
|
|
|
func store_le64_idx(b []byte, idx int) {
|
|
// amd64:`MOVQ\s.*\(.*\)\(.*\*1\)$`,-`SHR.`
|
|
// arm64:`MOVD\sR[0-9]+,\s\(R[0-9]+\)\(R[0-9]+\)`,-`MOV[BHW]`
|
|
// ppc64le:`MOVD\s`,-`MOV[BHW]\s`
|
|
// s390x:`MOVDBR\s.*\(.*\)\(.*\*1\)$`
|
|
binary.LittleEndian.PutUint64(b[idx:], sink64)
|
|
}
|
|
|
|
func store_le32(b []byte) {
|
|
// amd64:`MOVL\s`
|
|
// arm64:`MOVW`,-`MOV[BH]`
|
|
// ppc64le:`MOVW\s`
|
|
// s390x:`MOVWBR\s.*\(.*\)$`
|
|
binary.LittleEndian.PutUint32(b, sink32)
|
|
}
|
|
|
|
func store_le32_idx(b []byte, idx int) {
|
|
// amd64:`MOVL\s`
|
|
// arm64:`MOVW\sR[0-9]+,\s\(R[0-9]+\)\(R[0-9]+\)`,-`MOV[BH]`
|
|
// ppc64le:`MOVW\s`
|
|
// s390x:`MOVWBR\s.*\(.*\)\(.*\*1\)$`
|
|
binary.LittleEndian.PutUint32(b[idx:], sink32)
|
|
}
|
|
|
|
func store_le16(b []byte) {
|
|
// amd64:`MOVW\s`
|
|
// arm64:`MOVH`,-`MOVB`
|
|
// ppc64le:`MOVH\s`
|
|
// s390x:`MOVHBR\s.*\(.*\)$`
|
|
binary.LittleEndian.PutUint16(b, sink16)
|
|
}
|
|
|
|
func store_le16_idx(b []byte, idx int) {
|
|
// amd64:`MOVW\s`
|
|
// arm64:`MOVH\sR[0-9]+,\s\(R[0-9]+\)\(R[0-9]+\)`,-`MOVB`
|
|
// ppc64le:`MOVH\s`
|
|
// s390x:`MOVHBR\s.*\(.*\)\(.*\*1\)$`
|
|
binary.LittleEndian.PutUint16(b[idx:], sink16)
|
|
}
|
|
|
|
func store_be64(b []byte) {
|
|
// amd64:`BSWAPQ`,-`SHR.`
|
|
// arm64:`MOVD`,`REV`,-`MOV[WBH]`,-`REVW`,-`REV16W`
|
|
// ppc64le:`MOVDBR`
|
|
// s390x:`MOVD\s.*\(.*\)$`,-`SRW\s`,-`SRD\s`
|
|
binary.BigEndian.PutUint64(b, sink64)
|
|
}
|
|
|
|
func store_be64_idx(b []byte, idx int) {
|
|
// amd64:`BSWAPQ`,-`SHR.`
|
|
// arm64:`REV`,`MOVD\sR[0-9]+,\s\(R[0-9]+\)\(R[0-9]+\)`,-`MOV[BHW]`,-`REV16W`,-`REVW`
|
|
// ppc64le:`MOVDBR`
|
|
// s390x:`MOVD\s.*\(.*\)\(.*\*1\)$`,-`SRW\s`,-`SRD\s`
|
|
binary.BigEndian.PutUint64(b[idx:], sink64)
|
|
}
|
|
|
|
func store_be32(b []byte) {
|
|
// amd64:`BSWAPL`,-`SHR.`
|
|
// arm64:`MOVW`,`REVW`,-`MOV[BH]`,-`REV16W`
|
|
// ppc64le:`MOVWBR`
|
|
// s390x:`MOVW\s.*\(.*\)$`,-`SRW\s`,-`SRD\s`
|
|
binary.BigEndian.PutUint32(b, sink32)
|
|
}
|
|
|
|
func store_be32_idx(b []byte, idx int) {
|
|
// amd64:`BSWAPL`,-`SHR.`
|
|
// arm64:`REVW`,`MOVW\sR[0-9]+,\s\(R[0-9]+\)\(R[0-9]+\)`,-`MOV[BH]`,-`REV16W`
|
|
// ppc64le:`MOVWBR`
|
|
// s390x:`MOVW\s.*\(.*\)\(.*\*1\)$`,-`SRW\s`,-`SRD\s`
|
|
binary.BigEndian.PutUint32(b[idx:], sink32)
|
|
}
|
|
|
|
func store_be16(b []byte) {
|
|
// amd64:`ROLW\s\$8`,-`SHR.`
|
|
// arm64:`MOVH`,`REV16W`,-`MOVB`
|
|
// ppc64le:`MOVHBR`
|
|
// s390x:`MOVH\s.*\(.*\)$`,-`SRW\s`,-`SRD\s`
|
|
binary.BigEndian.PutUint16(b, sink16)
|
|
}
|
|
|
|
func store_be16_idx(b []byte, idx int) {
|
|
// amd64:`ROLW\s\$8`,-`SHR.`
|
|
// arm64:`MOVH\sR[0-9]+,\s\(R[0-9]+\)\(R[0-9]+\)`,`REV16W`,-`MOVB`
|
|
// ppc64le:`MOVHBR`
|
|
// s390x:`MOVH\s.*\(.*\)\(.*\*1\)$`,-`SRW\s`,-`SRD\s`
|
|
binary.BigEndian.PutUint16(b[idx:], sink16)
|
|
}
|
|
|
|
func store_le_byte_2(b []byte, val uint16) {
|
|
_ = b[2]
|
|
// arm64:`MOVH\sR[0-9]+,\s1\(R[0-9]+\)`,-`MOVB`
|
|
// 386:`MOVW\s[A-Z]+,\s1\([A-Z]+\)`,-`MOVB`
|
|
// amd64:`MOVW\s[A-Z]+,\s1\([A-Z]+\)`,-`MOVB`
|
|
b[1], b[2] = byte(val), byte(val>>8)
|
|
}
|
|
|
|
func store_le_byte_2_inv(b []byte, val uint16) {
|
|
_ = b[2]
|
|
// 386:`MOVW\s[A-Z]+,\s1\([A-Z]+\)`,-`MOVB`
|
|
// amd64:`MOVW\s[A-Z]+,\s1\([A-Z]+\)`,-`MOVB`
|
|
b[2], b[1] = byte(val>>8), byte(val)
|
|
}
|
|
|
|
func store_le_byte_4(b []byte, val uint32) {
|
|
_ = b[4]
|
|
// arm64:`MOVW\sR[0-9]+,\s1\(R[0-9]+\)`,-`MOVB`,-`MOVH`
|
|
// 386:`MOVL\s[A-Z]+,\s1\([A-Z]+\)`,-`MOVB`,-`MOVW`
|
|
// amd64:`MOVL\s[A-Z]+,\s1\([A-Z]+\)`,-`MOVB`,-`MOVW`
|
|
b[1], b[2], b[3], b[4] = byte(val), byte(val>>8), byte(val>>16), byte(val>>24)
|
|
}
|
|
|
|
func store_le_byte_8(b []byte, val uint64) {
|
|
_ = b[8]
|
|
// arm64:`MOVD\sR[0-9]+,\s1\(R[0-9]+\)`,-`MOVB`,-`MOVH`,-`MOVW`
|
|
// amd64:`MOVQ\s[A-Z]+,\s1\([A-Z]+\)`,-`MOVB`,-`MOVW`,-`MOVL`
|
|
b[1], b[2], b[3], b[4], b[5], b[6], b[7], b[8] = byte(val), byte(val>>8), byte(val>>16), byte(val>>24), byte(val>>32), byte(val>>40), byte(val>>48), byte(val>>56)
|
|
}
|
|
|
|
func store_be_byte_2(b []byte, val uint16) {
|
|
_ = b[2]
|
|
// arm64:`REV16W`,`MOVH\sR[0-9]+,\s1\(R[0-9]+\)`,-`MOVB`
|
|
// amd64:`MOVW\s[A-Z]+,\s1\([A-Z]+\)`,-`MOVB`
|
|
b[1], b[2] = byte(val>>8), byte(val)
|
|
}
|
|
|
|
func store_be_byte_4(b []byte, val uint32) {
|
|
_ = b[4]
|
|
// arm64:`REVW`,`MOVW\sR[0-9]+,\s1\(R[0-9]+\)`,-`MOVB`,-`MOVH`,-`REV16W`
|
|
// amd64:`MOVL\s[A-Z]+,\s1\([A-Z]+\)`,-`MOVB`,-`MOVW`
|
|
b[1], b[2], b[3], b[4] = byte(val>>24), byte(val>>16), byte(val>>8), byte(val)
|
|
}
|
|
|
|
func store_be_byte_8(b []byte, val uint64) {
|
|
_ = b[8]
|
|
// arm64:`REV`,`MOVD\sR[0-9]+,\s1\(R[0-9]+\)`,-`MOVB`,-`MOVH`,-`MOVW`,-`REV16W`,-`REVW`
|
|
// amd64:`MOVQ\s[A-Z]+,\s1\([A-Z]+\)`,-`MOVB`,-`MOVW`,-`MOVL`
|
|
b[1], b[2], b[3], b[4], b[5], b[6], b[7], b[8] = byte(val>>56), byte(val>>48), byte(val>>40), byte(val>>32), byte(val>>24), byte(val>>16), byte(val>>8), byte(val)
|
|
}
|
|
|
|
func store_le_byte_2_idx(b []byte, idx int, val uint16) {
|
|
_, _ = b[idx+0], b[idx+1]
|
|
// arm64:`MOVH\sR[0-9]+,\s\(R[0-9]+\)\(R[0-9]+\)`,-`MOVB`
|
|
// 386:`MOVW\s[A-Z]+,\s\([A-Z]+\)\([A-Z]+`,-`MOVB`
|
|
b[idx+1], b[idx+0] = byte(val>>8), byte(val)
|
|
}
|
|
|
|
func store_le_byte_2_idx_inv(b []byte, idx int, val uint16) {
|
|
_, _ = b[idx+0], b[idx+1]
|
|
// 386:`MOVW\s[A-Z]+,\s\([A-Z]+\)\([A-Z]+`,-`MOVB`
|
|
b[idx+0], b[idx+1] = byte(val), byte(val>>8)
|
|
}
|
|
|
|
func store_le_byte_4_idx(b []byte, idx int, val uint32) {
|
|
_, _, _, _ = b[idx+0], b[idx+1], b[idx+2], b[idx+3]
|
|
// arm64:`MOVW\sR[0-9]+,\s\(R[0-9]+\)\(R[0-9]+\)`,-`MOVB`,-`MOVH`
|
|
b[idx+3], b[idx+2], b[idx+1], b[idx+0] = byte(val>>24), byte(val>>16), byte(val>>8), byte(val)
|
|
}
|
|
|
|
func store_be_byte_2_idx(b []byte, idx int, val uint16) {
|
|
_, _ = b[idx+0], b[idx+1]
|
|
// arm64:`REV16W`,`MOVH\sR[0-9]+,\s\(R[0-9]+\)\(R[0-9]+\)`,-`MOVB`
|
|
b[idx+0], b[idx+1] = byte(val>>8), byte(val)
|
|
}
|
|
|
|
func store_be_byte_4_idx(b []byte, idx int, val uint32) {
|
|
_, _, _, _ = b[idx+0], b[idx+1], b[idx+2], b[idx+3]
|
|
// arm64:`REVW`,`MOVW\sR[0-9]+,\s\(R[0-9]+\)\(R[0-9]+\)`,-`MOVB`,-`MOVH`,-`REV16W`
|
|
b[idx+0], b[idx+1], b[idx+2], b[idx+3] = byte(val>>24), byte(val>>16), byte(val>>8), byte(val)
|
|
}
|
|
|
|
func store_be_byte_2_idx2(b []byte, idx int, val uint16) {
|
|
_, _ = b[(idx<<1)+0], b[(idx<<1)+1]
|
|
// arm64:`REV16W`,`MOVH\sR[0-9]+,\s\(R[0-9]+\)\(R[0-9]+<<1\)`,-`MOVB`
|
|
b[(idx<<1)+0], b[(idx<<1)+1] = byte(val>>8), byte(val)
|
|
}
|
|
|
|
func store_le_byte_2_idx2(b []byte, idx int, val uint16) {
|
|
_, _ = b[(idx<<1)+0], b[(idx<<1)+1]
|
|
// arm64:`MOVH\sR[0-9]+,\s\(R[0-9]+\)\(R[0-9]+<<1\)`,-`MOVB`
|
|
b[(idx<<1)+1], b[(idx<<1)+0] = byte(val>>8), byte(val)
|
|
}
|
|
|
|
func store_be_byte_4_idx4(b []byte, idx int, val uint32) {
|
|
_, _, _, _ = b[(idx<<2)+0], b[(idx<<2)+1], b[(idx<<2)+2], b[(idx<<2)+3]
|
|
// arm64:`REVW`,`MOVW\sR[0-9]+,\s\(R[0-9]+\)\(R[0-9]+<<2\)`,-`MOVB`,-`MOVH`,-`REV16W`
|
|
b[(idx<<2)+0], b[(idx<<2)+1], b[(idx<<2)+2], b[(idx<<2)+3] = byte(val>>24), byte(val>>16), byte(val>>8), byte(val)
|
|
}
|
|
|
|
func store_le_byte_4_idx4_inv(b []byte, idx int, val uint32) {
|
|
_, _, _, _ = b[(idx<<2)+0], b[(idx<<2)+1], b[(idx<<2)+2], b[(idx<<2)+3]
|
|
// arm64:`MOVW\sR[0-9]+,\s\(R[0-9]+\)\(R[0-9]+<<2\)`,-`MOVB`,-`MOVH`
|
|
b[(idx<<2)+3], b[(idx<<2)+2], b[(idx<<2)+1], b[(idx<<2)+0] = byte(val>>24), byte(val>>16), byte(val>>8), byte(val)
|
|
}
|
|
|
|
// ------------- //
|
|
// Zeroing //
|
|
// ------------- //
|
|
|
|
// Check that zero stores are combined into larger stores
|
|
|
|
func zero_byte_2(b1, b2 []byte) {
|
|
// bounds checks to guarantee safety of writes below
|
|
_, _ = b1[1], b2[1]
|
|
// arm64:"MOVH\tZR",-"MOVB"
|
|
// amd64:`MOVW\s[$]0,\s\([A-Z]+\)`
|
|
// 386:`MOVW\s[$]0,\s\([A-Z]+\)`
|
|
b1[0], b1[1] = 0, 0
|
|
// arm64:"MOVH\tZR",-"MOVB"
|
|
// 386:`MOVW\s[$]0,\s\([A-Z]+\)`
|
|
// amd64:`MOVW\s[$]0,\s\([A-Z]+\)`
|
|
b2[1], b2[0] = 0, 0
|
|
}
|
|
|
|
func zero_byte_4(b1, b2 []byte) {
|
|
_, _ = b1[3], b2[3]
|
|
// arm64:"MOVW\tZR",-"MOVB",-"MOVH"
|
|
// amd64:`MOVL\s[$]0,\s\([A-Z]+\)`
|
|
// 386:`MOVL\s[$]0,\s\([A-Z]+\)`
|
|
b1[0], b1[1], b1[2], b1[3] = 0, 0, 0, 0
|
|
// arm64:"MOVW\tZR",-"MOVB",-"MOVH"
|
|
b2[2], b2[3], b2[1], b2[0] = 0, 0, 0, 0
|
|
}
|
|
|
|
func zero_byte_8(b []byte) {
|
|
_ = b[7]
|
|
b[0], b[1], b[2], b[3] = 0, 0, 0, 0
|
|
b[4], b[5], b[6], b[7] = 0, 0, 0, 0 // arm64:"MOVD\tZR",-"MOVB",-"MOVH",-"MOVW"
|
|
}
|
|
|
|
func zero_byte_16(b []byte) {
|
|
_ = b[15]
|
|
b[0], b[1], b[2], b[3] = 0, 0, 0, 0
|
|
b[4], b[5], b[6], b[7] = 0, 0, 0, 0
|
|
b[8], b[9], b[10], b[11] = 0, 0, 0, 0
|
|
b[12], b[13], b[14], b[15] = 0, 0, 0, 0 // arm64:"STP",-"MOVB",-"MOVH",-"MOVW"
|
|
}
|
|
|
|
func zero_byte_30(a *[30]byte) {
|
|
*a = [30]byte{} // arm64:"STP",-"MOVB",-"MOVH",-"MOVW"
|
|
}
|
|
|
|
func zero_byte_39(a *[39]byte) {
|
|
*a = [39]byte{} // arm64:"MOVD",-"MOVB",-"MOVH",-"MOVW"
|
|
}
|
|
|
|
func zero_byte_2_idx(b []byte, idx int) {
|
|
_, _ = b[idx+0], b[idx+1]
|
|
// arm64:`MOVH\sZR,\s\(R[0-9]+\)\(R[0-9]+\)`,-`MOVB`
|
|
b[idx+0], b[idx+1] = 0, 0
|
|
}
|
|
|
|
func zero_byte_2_idx2(b []byte, idx int) {
|
|
_, _ = b[(idx<<1)+0], b[(idx<<1)+1]
|
|
// arm64:`MOVH\sZR,\s\(R[0-9]+\)\(R[0-9]+<<1\)`,-`MOVB`
|
|
b[(idx<<1)+0], b[(idx<<1)+1] = 0, 0
|
|
}
|
|
|
|
func zero_uint16_2(h1, h2 []uint16) {
|
|
_, _ = h1[1], h2[1]
|
|
// arm64:"MOVW\tZR",-"MOVB",-"MOVH"
|
|
// amd64:`MOVL\s[$]0,\s\([A-Z]+\)`
|
|
// 386:`MOVL\s[$]0,\s\([A-Z]+\)`
|
|
h1[0], h1[1] = 0, 0
|
|
// arm64:"MOVW\tZR",-"MOVB",-"MOVH"
|
|
// amd64:`MOVL\s[$]0,\s\([A-Z]+\)`
|
|
// 386:`MOVL\s[$]0,\s\([A-Z]+\)`
|
|
h2[1], h2[0] = 0, 0
|
|
}
|
|
|
|
func zero_uint16_4(h1, h2 []uint16) {
|
|
_, _ = h1[3], h2[3]
|
|
// arm64:"MOVD\tZR",-"MOVB",-"MOVH",-"MOVW"
|
|
// amd64:`MOVQ\s[$]0,\s\([A-Z]+\)`
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|
h1[0], h1[1], h1[2], h1[3] = 0, 0, 0, 0
|
|
// arm64:"MOVD\tZR",-"MOVB",-"MOVH",-"MOVW"
|
|
h2[2], h2[3], h2[1], h2[0] = 0, 0, 0, 0
|
|
}
|
|
|
|
func zero_uint16_8(h []uint16) {
|
|
_ = h[7]
|
|
h[0], h[1], h[2], h[3] = 0, 0, 0, 0
|
|
h[4], h[5], h[6], h[7] = 0, 0, 0, 0 // arm64:"STP",-"MOVB",-"MOVH"
|
|
}
|
|
|
|
func zero_uint32_2(w1, w2 []uint32) {
|
|
_, _ = w1[1], w2[1]
|
|
// arm64:"MOVD\tZR",-"MOVB",-"MOVH",-"MOVW"
|
|
// amd64:`MOVQ\s[$]0,\s\([A-Z]+\)`
|
|
w1[0], w1[1] = 0, 0
|
|
// arm64:"MOVD\tZR",-"MOVB",-"MOVH",-"MOVW"
|
|
// amd64:`MOVQ\s[$]0,\s\([A-Z]+\)`
|
|
w2[1], w2[0] = 0, 0
|
|
}
|
|
|
|
func zero_uint32_4(w1, w2 []uint32) {
|
|
_, _ = w1[3], w2[3]
|
|
w1[0], w1[1], w1[2], w1[3] = 0, 0, 0, 0 // arm64:"STP",-"MOVB",-"MOVH"
|
|
w2[2], w2[3], w2[1], w2[0] = 0, 0, 0, 0 // arm64:"STP",-"MOVB",-"MOVH"
|
|
}
|
|
|
|
func zero_uint64_2(d1, d2 []uint64) {
|
|
_, _ = d1[1], d2[1]
|
|
d1[0], d1[1] = 0, 0 // arm64:"STP",-"MOVB",-"MOVH"
|
|
d2[1], d2[0] = 0, 0 // arm64:"STP",-"MOVB",-"MOVH"
|
|
}
|