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Editing: 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" "runtime" ) // ------------- // // Loading // // ------------- // func load_le64(b []byte) uint64 { // amd64:`MOVQ\s\(.*\),`,-`MOV[BWL]\t[^$]`,-`OR` // s390x:`MOVDBR\s\(.*\),` // arm64:`MOVD\s\(R[0-9]+\),`,-`MOV[BHW]` // ppc64le:`MOVD\s`,-`MOV[BHW]Z` // ppc64:`MOVDBR\s`,-`MOV[BHW]Z` return binary.LittleEndian.Uint64(b) } func load_le64_idx(b []byte, idx int) uint64 { // amd64:`MOVQ\s\(.*\)\(.*\*1\),`,-`MOV[BWL]\t[^$]`,-`OR` // s390x:`MOVDBR\s\(.*\)\(.*\*1\),` // arm64:`MOVD\s\(R[0-9]+\)\(R[0-9]+\),`,-`MOV[BHW]` // ppc64le:`MOVD\s`,-`MOV[BHW]Z\s` // ppc64:`MOVDBR\s`,-`MOV[BHW]Z\s` return binary.LittleEndian.Uint64(b[idx:]) } func load_le32(b []byte) uint32 { // amd64:`MOVL\s\(.*\),`,-`MOV[BW]`,-`OR` // 386:`MOVL\s\(.*\),`,-`MOV[BW]`,-`OR` // s390x:`MOVWBR\s\(.*\),` // arm64:`MOVWU\s\(R[0-9]+\),`,-`MOV[BH]` // ppc64le:`MOVWZ\s`,-`MOV[BH]Z\s` // ppc64:`MOVWBR\s`,-`MOV[BH]Z\s` return binary.LittleEndian.Uint32(b) } func load_le32_idx(b []byte, idx int) uint32 { // amd64:`MOVL\s\(.*\)\(.*\*1\),`,-`MOV[BW]`,-`OR` // 386:`MOVL\s\(.*\)\(.*\*1\),`,-`MOV[BW]`,-`OR` // s390x:`MOVWBR\s\(.*\)\(.*\*1\),` // arm64:`MOVWU\s\(R[0-9]+\)\(R[0-9]+\),`,-`MOV[BH]` // ppc64le:`MOVWZ\s`,-`MOV[BH]Z\s` // ppc64:`MOVWBR\s`,-`MOV[BH]Z\s' return binary.LittleEndian.Uint32(b[idx:]) } func load_le16(b []byte) uint16 { // amd64:`MOVWLZX\s\(.*\),`,-`MOVB`,-`OR` // ppc64le:`MOVHZ\s`,-`MOVBZ` // arm64:`MOVHU\s\(R[0-9]+\),`,-`MOVB` // s390x:`MOVHBR\s\(.*\),` // ppc64:`MOVHBR\s`,-`MOVBZ` return binary.LittleEndian.Uint16(b) } func load_le16_idx(b []byte, idx int) uint16 { // amd64:`MOVWLZX\s\(.*\),`,-`MOVB`,-`OR` // ppc64le:`MOVHZ\s`,-`MOVBZ` // ppc64:`MOVHBR\s`,-`MOVBZ` // arm64:`MOVHU\s\(R[0-9]+\)\(R[0-9]+\),`,-`MOVB` // s390x:`MOVHBR\s\(.*\)\(.*\*1\),` return binary.LittleEndian.Uint16(b[idx:]) } func load_be64(b []byte) uint64 { // amd64/v1,amd64/v2:`BSWAPQ`,-`MOV[BWL]\t[^$]`,-`OR` // amd64/v3:`MOVBEQ` // s390x:`MOVD\s\(.*\),` // arm64:`REV`,`MOVD\s\(R[0-9]+\),`,-`MOV[BHW]`,-`REVW`,-`REV16W` // ppc64le:`MOVDBR`,-`MOV[BHW]Z` // ppc64:`MOVD`,-`MOV[BHW]Z` return binary.BigEndian.Uint64(b) } func load_be64_idx(b []byte, idx int) uint64 { // amd64/v1,amd64/v2:`BSWAPQ`,-`MOV[BWL]\t[^$]`,-`OR` // amd64/v3: `MOVBEQ\t\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*1\), [A-Z]+[0-9]*` // s390x:`MOVD\s\(.*\)\(.*\*1\),` // arm64:`REV`,`MOVD\s\(R[0-9]+\)\(R[0-9]+\),`,-`MOV[WHB]`,-`REVW`,-`REV16W` // ppc64le:`MOVDBR`,-`MOV[BHW]Z` // ppc64:`MOVD`,-`MOV[BHW]Z` return binary.BigEndian.Uint64(b[idx:]) } func load_be32(b []byte) uint32 { // amd64/v1,amd64/v2:`BSWAPL`,-`MOV[BW]`,-`OR` // amd64/v3: `MOVBEL` // s390x:`MOVWZ\s\(.*\),` // arm64:`REVW`,`MOVWU\s\(R[0-9]+\),`,-`MOV[BH]`,-`REV16W` // ppc64le:`MOVWBR`,-`MOV[BH]Z` // ppc64:`MOVWZ`,-MOV[BH]Z` return binary.BigEndian.Uint32(b) } func load_be32_idx(b []byte, idx int) uint32 { // amd64/v1,amd64/v2:`BSWAPL`,-`MOV[BW]`,-`OR` // amd64/v3: `MOVBEL\t\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*1\), [A-Z]+[0-9]*` // s390x:`MOVWZ\s\(.*\)\(.*\*1\),` // arm64:`REVW`,`MOVWU\s\(R[0-9]+\)\(R[0-9]+\),`,-`MOV[HB]`,-`REV16W` // ppc64le:`MOVWBR`,-`MOV[BH]Z` // ppc64:`MOVWZ`,-MOV[BH]Z` return binary.BigEndian.Uint32(b[idx:]) } func load_be16(b []byte) uint16 { // amd64:`ROLW\s\$8`,-`MOVB`,-`OR` // arm64:`REV16W`,`MOVHU\s\(R[0-9]+\),`,-`MOVB` // ppc64le:`MOVHBR`,-`MOVBZ` // ppc64:`MOVHZ`,-`MOVBZ` // s390x:`MOVHZ\s\(.*\),`,-`OR`,-`ORW`,-`SLD`,-`SLW` return binary.BigEndian.Uint16(b) } func load_be16_idx(b []byte, idx int) uint16 { // amd64:`ROLW\s\$8`,-`MOVB`,-`OR` // arm64:`REV16W`,`MOVHU\s\(R[0-9]+\)\(R[0-9]+\),`,-`MOVB` // ppc64le:`MOVHBR`,-`MOVBZ` // ppc64:`MOVHZ`,-`MOVBZ` // s390x:`MOVHZ\s\(.*\)\(.*\*1\),`,-`OR`,-`ORW`,-`SLD`,-`SLW` return binary.BigEndian.Uint16(b[idx:]) } func load_le_byte2_uint16(s []byte) uint16 { // arm64:`MOVHU\t\(R[0-9]+\)`,-`ORR`,-`MOVB` // 386:`MOVWLZX\s\([A-Z]+\)`,-`MOVB`,-`OR` // amd64:`MOVWLZX\s\([A-Z]+\)`,-`MOVB`,-`OR` // ppc64le:`MOVHZ\t\(R[0-9]+\)`,-`MOVBZ` // ppc64:`MOVHBR`,-`MOVBZ` return uint16(s[0]) | uint16(s[1])<<8 } func load_le_byte2_uint16_inv(s []byte) uint16 { // arm64:`MOVHU\t\(R[0-9]+\)`,-`ORR`,-`MOVB` // 386:`MOVWLZX\s\([A-Z]+\)`,-`MOVB`,-`OR` // amd64:`MOVWLZX\s\([A-Z]+\)`,-`MOVB`,-`OR` // ppc64le:`MOVHZ\t\(R[0-9]+\)`,-`MOVBZ` // ppc64:`MOVHBR`,-`MOVBZ` return uint16(s[1])<<8 | uint16(s[0]) } func load_le_byte4_uint32(s []byte) uint32 { // arm64:`MOVWU\t\(R[0-9]+\)`,-`ORR`,-`MOV[BH]` // 386:`MOVL\s\([A-Z]+\)`,-`MOV[BW]`,-`OR` // amd64:`MOVL\s\([A-Z]+\)`,-`MOV[BW]`,-`OR` // ppc64le:`MOVWZ\t\(R[0-9]+\)`,-`MOV[BH]Z` // ppc64:`MOVWBR`,-MOV[BH]Z` return uint32(s[0]) | uint32(s[1])<<8 | uint32(s[2])<<16 | uint32(s[3])<<24 } func load_le_byte4_uint32_inv(s []byte) uint32 { // arm64:`MOVWU\t\(R[0-9]+\)`,-`ORR`,-`MOV[BH]` // ppc64le:`MOVWZ`,-`MOV[BH]Z` // ppc64:`MOVWBR`,-`MOV[BH]Z` return uint32(s[3])<<24 | uint32(s[2])<<16 | uint32(s[1])<<8 | uint32(s[0]) } func load_le_byte8_uint64(s []byte) uint64 { // arm64:`MOVD\t\(R[0-9]+\)`,-`ORR`,-`MOV[BHW]` // amd64:`MOVQ\s\([A-Z]+\),\s[A-Z]+`,-`MOV[BWL]\t[^$]`,-`OR` // ppc64le:`MOVD\t\(R[0-9]+\)`,-`MOV[BHW]Z` // ppc64:`MOVDBR`,-`MOVW[WHB]Z` 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 } func load_le_byte8_uint64_inv(s []byte) uint64 { // arm64:`MOVD\t\(R[0-9]+\)`,-`ORR`,-`MOV[BHW]` // ppc64le:`MOVD`,-`MOV[WHB]Z` // ppc64:`MOVDBR`,-`MOV[WHB]Z` 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]) } func load_be_byte2_uint16(s []byte) uint16 { // arm64:`MOVHU\t\(R[0-9]+\)`,`REV16W`,-`ORR`,-`MOVB` // amd64:`MOVWLZX\s\([A-Z]+\)`,`ROLW`,-`MOVB`,-`OR` // ppc64le:`MOVHBR\t\(R[0-9]+\)`,-`MOVBZ` // ppc64:`MOVHZ`,-`MOVBZ` return uint16(s[0])<<8 | uint16(s[1]) } func load_be_byte2_uint16_inv(s []byte) uint16 { // arm64:`MOVHU\t\(R[0-9]+\)`,`REV16W`,-`ORR`,-`MOVB` // amd64:`MOVWLZX\s\([A-Z]+\)`,`ROLW`,-`MOVB`,-`OR` // ppc64le:`MOVHBR\t\(R[0-9]+\)`,-`MOVBZ` // ppc64:`MOVHZ`,-`MOVBZ` return uint16(s[1]) | uint16(s[0])<<8 } func load_be_byte4_uint32(s []byte) uint32 { // arm64:`MOVWU\t\(R[0-9]+\)`,`REVW`,-`ORR`,-`REV16W`,-`MOV[BH]` // ppc64le:`MOVWBR`,-`MOV[HB]Z` // ppc64:`MOVWZ`,-`MOV[HB]Z` return uint32(s[0])<<24 | uint32(s[1])<<16 | uint32(s[2])<<8 | uint32(s[3]) } func load_be_byte4_uint32_inv(s []byte) uint32 { // arm64:`MOVWU\t\(R[0-9]+\)`,`REVW`,-`ORR`,-`REV16W`,-`MOV[BH]` // amd64/v1,amd64/v2:`MOVL\s\([A-Z]+\)`,`BSWAPL`,-`MOV[BW]`,-`OR` // amd64/v3: `MOVBEL` // ppc64le:`MOVWBR`,-`MOV[HB]Z` // ppc64:`MOVWZ`,-`MOV[HB]Z` return uint32(s[3]) | uint32(s[2])<<8 | uint32(s[1])<<16 | uint32(s[0])<<24 } func load_be_byte8_uint64(s []byte) uint64 { // arm64:`MOVD\t\(R[0-9]+\)`,`REV`,-`ORR`,-`REVW`,-`REV16W`,-`MOV[BHW]` // ppc64le:`MOVDBR\t\(R[0-9]+\)`,-`MOV[BHW]Z` // ppc64:`MOVD`,-`MOV[WHB]Z` 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]) } func load_be_byte8_uint64_inv(s []byte) uint64 { // arm64:`MOVD\t\(R[0-9]+\)`,`REV`,-`ORR`,-`REVW`,-`REV16W`,-`MOV[BHW]` // amd64/v1,amd64/v2:`MOVQ\s\([A-Z]+\),\s[A-Z]+`,`BSWAPQ`,-`MOV[BWL]\t[^$]`,-`OR` // amd64/v3: `MOVBEQ` // ppc64le:`MOVDBR\t\(R[0-9]+\)`,-`MOV[BHW]Z` // ppc64:`MOVD`,-`MOV[BHW]Z` 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 } func load_le_byte2_uint16_idx(s []byte, idx int) uint16 { // arm64:`MOVHU\s\(R[0-9]+\)\(R[0-9]+\)`,-`ORR`,-`MOVB` // 386:`MOVWLZX\s\([A-Z]+\)\([A-Z]+`,-`ORL`,-`MOVB` // amd64:`MOVWLZX\s\([A-Z]+\)\([A-Z]+`,-`MOVB`,-`OR` // ppc64le:`MOVHZ`,-`MOVBZ` // ppc64:`MOVHBR`,-`MOVBZ` return uint16(s[idx]) | uint16(s[idx+1])<<8 } func load_le_byte2_uint16_idx_inv(s []byte, idx int) uint16 { // arm64:`MOVHU\s\(R[0-9]+\)\(R[0-9]+\)`,-`ORR`,-`MOVB` // 386:`MOVWLZX\s\([A-Z]+\)\([A-Z]+`,-`ORL`,-`MOVB` // amd64:`MOVWLZX\s\([A-Z]+\)\([A-Z]+`,-`MOVB`,-`OR` // ppc64le:`MOVHZ`,-`MOVBZ` // ppc64:`MOVHBR`,-`MOVBZ` return uint16(s[idx+1])<<8 | uint16(s[idx]) } func load_le_byte4_uint32_idx(s []byte, idx int) uint32 { // arm64:`MOVWU\s\(R[0-9]+\)\(R[0-9]+\)`,-`ORR`,-`MOV[BH]` // amd64:`MOVL\s\([A-Z]+\)\([A-Z]+`,-`MOV[BW]`,-`OR` return uint32(s[idx]) | uint32(s[idx+1])<<8 | uint32(s[idx+2])<<16 | uint32(s[idx+3])<<24 } func load_le_byte4_uint32_idx_inv(s []byte, idx int) uint32 { // arm64:`MOVWU\s\(R[0-9]+\)\(R[0-9]+\)`,-`ORR`,-`MOV[BH]` return uint32(s[idx+3])<<24 | uint32(s[idx+2])<<16 | uint32(s[idx+1])<<8 | uint32(s[idx]) } func load_le_byte8_uint64_idx(s []byte, idx int) uint64 { // arm64:`MOVD\s\(R[0-9]+\)\(R[0-9]+\)`,-`ORR`,-`MOV[BHW]` // amd64:`MOVQ\s\([A-Z]+\)\([A-Z]+`,-`MOV[BWL]`,-`OR` 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 } func load_le_byte8_uint64_idx_inv(s []byte, idx int) uint64 { // arm64:`MOVD\s\(R[0-9]+\)\(R[0-9]+\)`,-`ORR`,-`MOV[BHW]` 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]) } func load_be_byte2_uint16_idx(s []byte, idx int) uint16 { // arm64:`MOVHU\s\(R[0-9]+\)\(R[0-9]+\)`,`REV16W`,-`ORR`,-`MOVB` // amd64:`MOVWLZX\s\([A-Z]+\)\([A-Z]+`,-`MOVB`,-`OR` return uint16(s[idx])<<8 | uint16(s[idx+1]) } func load_be_byte2_uint16_idx_inv(s []byte, idx int) uint16 { // arm64:`MOVHU\s\(R[0-9]+\)\(R[0-9]+\)`,`REV16W`,-`ORR`,-`MOVB` // amd64:`MOVWLZX\s\([A-Z]+\)\([A-Z]+`,-`MOVB`,-`OR` return uint16(s[idx+1]) | uint16(s[idx])<<8 } func load_be_byte4_uint32_idx(s []byte, idx int) uint32 { // arm64:`MOVWU\s\(R[0-9]+\)\(R[0-9]+\)`,`REVW`,-`ORR`,-`MOV[BH]`,-`REV16W` return uint32(s[idx])<<24 | uint32(s[idx+1])<<16 | uint32(s[idx+2])<<8 | uint32(s[idx+3]) } func load_be_byte8_uint64_idx(s []byte, idx int) uint64 { // arm64:`MOVD\s\(R[0-9]+\)\(R[0-9]+\)`,`REV`,-`ORR`,-`MOV[BHW]`,-`REVW`,-`REV16W` 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]) } func load_le_byte2_uint16_idx2(s []byte, idx int) uint16 { // arm64:`MOVHU\s\(R[0-9]+\)\(R[0-9]+<<1\)`,-`ORR`,-`MOVB` return uint16(s[idx<<1]) | uint16(s[(idx<<1)+1])<<8 } func load_le_byte2_uint16_idx2_inv(s []byte, idx int) uint16 { // arm64:`MOVHU\s\(R[0-9]+\)\(R[0-9]+<<1\)`,-`ORR`,-`MOVB` return uint16(s[(idx<<1)+1])<<8 | uint16(s[idx<<1]) } func load_le_byte4_uint32_idx4(s []byte, idx int) uint32 { // arm64:`MOVWU\s\(R[0-9]+\)\(R[0-9]+<<2\)`,-`ORR`,-`MOV[BH]` return uint32(s[idx<<2]) | uint32(s[(idx<<2)+1])<<8 | uint32(s[(idx<<2)+2])<<16 | uint32(s[(idx<<2)+3])<<24 } func load_le_byte4_uint32_idx4_inv(s []byte, idx int) uint32 { // arm64:`MOVWU\s\(R[0-9]+\)\(R[0-9]+<<2\)`,-`ORR`,-`MOV[BH]` return uint32(s[(idx<<2)+3])<<24 | uint32(s[(idx<<2)+2])<<16 | uint32(s[(idx<<2)+1])<<8 | uint32(s[idx<<2]) } func load_le_byte8_uint64_idx8(s []byte, idx int) uint64 { // arm64:`MOVD\s\(R[0-9]+\)\(R[0-9]+<<3\)`,-`ORR`,-`MOV[BHW]` 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 } func load_le_byte8_uint64_idx8_inv(s []byte, idx int) uint64 { // arm64:`MOVD\s\(R[0-9]+\)\(R[0-9]+<<3\)`,-`ORR`,-`MOV[BHW]` 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]) } func load_be_byte2_uint16_idx2(s []byte, idx int) uint16 { // arm64:`MOVHU\s\(R[0-9]+\)\(R[0-9]+<<1\)`,`REV16W`,-`ORR`,-`MOVB` return uint16(s[idx<<1])<<8 | uint16(s[(idx<<1)+1]) } func load_be_byte2_uint16_idx2_inv(s []byte, idx int) uint16 { // arm64:`MOVHU\s\(R[0-9]+\)\(R[0-9]+<<1\)`,`REV16W`,-`ORR`,-`MOVB` return uint16(s[(idx<<1)+1]) | uint16(s[idx<<1])<<8 } 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]) } // Some tougher cases for the memcombine pass. func reassoc_load_uint32(b []byte) uint32 { // amd64:`MOVL\s\([A-Z]+\)`,-`MOV[BW]`,-`OR` return (uint32(b[0]) | uint32(b[1])<<8) | (uint32(b[2])<<16 | uint32(b[3])<<24) } func extrashift_load_uint32(b []byte) uint32 { // amd64:`MOVL\s\([A-Z]+\)`,`SHLL\s[$]2`,-`MOV[BW]`,-`OR` return uint32(b[0])<<2 | uint32(b[1])<<10 | uint32(b[2])<<18 | uint32(b[3])<<26 } func outoforder_load_uint32(b []byte) uint32 { // amd64:`MOVL\s\([A-Z]+\)`,-`MOV[BW]`,-`OR` return uint32(b[0]) | uint32(b[2])<<16 | uint32(b[1])<<8 | uint32(b[3])<<24 } func extraOr_load_uint32(b []byte, x, y uint32) uint32 { // amd64:`ORL\s\([A-Z]+\)`,-`MOV[BW]` return x | binary.LittleEndian.Uint32(b) | y // TODO: Note that // x | uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24 | y // doesn't work because it associates in a way that memcombine can't detect it. } // Check load combining across function calls. func fcall_byte(a [2]byte) [2]byte { return fcall_byte(fcall_byte(a)) // amd64:`MOVW` } func fcall_uint16(a [2]uint16) [2]uint16 { return fcall_uint16(fcall_uint16(a)) // amd64:`MOVL` } func fcall_uint32(a [2]uint32) [2]uint32 { return fcall_uint32(fcall_uint32(a)) // 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\tcommand-line-arguments\.a\+[0-9]+\(FP\), R[0-9]+`,`MOVD\tR[0-9]+, command-line-arguments\.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, x uint64) { // amd64:`MOVQ\s.*\(.*\)$`,-`SHR.` // arm64:`MOVD`,-`MOV[WBH]` // ppc64le:`MOVD\s`,-`MOV[BHW]\s` // ppc64:`MOVDBR`,-MOVB\s` // s390x:`MOVDBR\s.*\(.*\)$` binary.LittleEndian.PutUint64(b, x) } func store_le64_idx(b []byte, x uint64, 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` // ppc64:`MOVDBR`,-`MOVBZ` // s390x:`MOVDBR\s.*\(.*\)\(.*\*1\)$` binary.LittleEndian.PutUint64(b[idx:], x) } func store_le64_idx2(dst []byte, d, length, offset int) []byte { a := dst[d : d+length] b := dst[d-offset:] // amd64:`MOVQ\s.*\(.*\)\(.*\*1\)$`,-`SHR.` binary.LittleEndian.PutUint64(a, binary.LittleEndian.Uint64(b)) return dst } func store_le64_idx_const(b []byte, idx int) { // amd64:`MOVQ\s\$123, \(.*\)\(.*\*1\)$` binary.LittleEndian.PutUint64(b[idx:], 123) } func store_le64_load(b []byte, x *[8]byte) { _ = b[8] // amd64:-`MOV[BWL]` // arm64:-`MOV[BWH]` // ppc64le:`MOVD\s`,-`MOV[BWH]Z` // ppc64:`MOVDBR` // s390x:-`MOVB`,-`MOV[WH]BR` binary.LittleEndian.PutUint64(b, binary.LittleEndian.Uint64(x[:])) } func store_le32(b []byte, x uint32) { // amd64:`MOVL\s` // arm64:`MOVW`,-`MOV[BH]` // ppc64le:`MOVW\s` // ppc64:`MOVWBR` // s390x:`MOVWBR\s.*\(.*\)$` binary.LittleEndian.PutUint32(b, x) } func store_le32_idx(b []byte, x uint32, idx int) { // amd64:`MOVL\s` // arm64:`MOVW\sR[0-9]+,\s\(R[0-9]+\)\(R[0-9]+\)`,-`MOV[BH]` // ppc64le:`MOVW\s` // ppc64:`MOVWBR` // s390x:`MOVWBR\s.*\(.*\)\(.*\*1\)$` binary.LittleEndian.PutUint32(b[idx:], x) } func store_le32_idx_const(b []byte, idx int) { // amd64:`MOVL\s\$123, \(.*\)\(.*\*1\)$` // ppc64x:`MOVW\s`,-MOV[HB]` binary.LittleEndian.PutUint32(b[idx:], 123) } func store_le16(b []byte, x uint16) { // amd64:`MOVW\s` // arm64:`MOVH`,-`MOVB` // ppc64le:`MOVH\s` // ppc64:`MOVHBR` // s390x:`MOVHBR\s.*\(.*\)$` binary.LittleEndian.PutUint16(b, x) } func store_le16_idx(b []byte, x uint16, idx int) { // amd64:`MOVW\s` // arm64:`MOVH\sR[0-9]+,\s\(R[0-9]+\)\(R[0-9]+\)`,-`MOVB` // ppc64le:`MOVH\s` // ppc64:`MOVHBR\s` // s390x:`MOVHBR\s.*\(.*\)\(.*\*1\)$` binary.LittleEndian.PutUint16(b[idx:], x) } func store_le16_idx_const(b []byte, idx int) { // amd64:`MOVW\s\$123, \(.*\)\(.*\*1\)$` // ppc64x:`MOVH\s` binary.LittleEndian.PutUint16(b[idx:], 123) } func store_be64(b []byte, x uint64) { // amd64/v1,amd64/v2:`BSWAPQ`,-`SHR.` // amd64/v3: `MOVBEQ` // arm64:`MOVD`,`REV`,-`MOV[WBH]`,-`REVW`,-`REV16W` // ppc64le:`MOVDBR` // ppc64:`MOVD\s` // s390x:`MOVD\s.*\(.*\)$`,-`SRW\s`,-`SRD\s` binary.BigEndian.PutUint64(b, x) } func store_be64_idx(b []byte, x uint64, idx int) { // amd64/v1,amd64/v2:`BSWAPQ`,-`SHR.` // amd64/v3:`MOVBEQ\t[A-Z]+[0-9]*, \([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*1\)` // arm64:`REV`,`MOVD\sR[0-9]+,\s\(R[0-9]+\)\(R[0-9]+\)`,-`MOV[BHW]`,-`REV16W`,-`REVW` // ppc64le:`MOVDBR` // ppc64:`MOVD\s` // s390x:`MOVD\s.*\(.*\)\(.*\*1\)$`,-`SRW\s`,-`SRD\s` binary.BigEndian.PutUint64(b[idx:], x) } func store_be32(b []byte, x uint32) { // amd64/v1,amd64/v2:`BSWAPL`,-`SHR.` // amd64/v3:`MOVBEL` // arm64:`MOVW`,`REVW`,-`MOV[BH]`,-`REV16W` // ppc64le:`MOVWBR` // ppc64:`MOVW\s` // s390x:`MOVW\s.*\(.*\)$`,-`SRW\s`,-`SRD\s` binary.BigEndian.PutUint32(b, x) } func store_be64_load(b, x *[8]byte) { // arm64:-`REV` // amd64:-`BSWAPQ` binary.BigEndian.PutUint64(b[:], binary.BigEndian.Uint64(x[:])) } func store_be32_load(b, x *[8]byte) { // arm64:-`REVW` // amd64:-`BSWAPL` binary.BigEndian.PutUint32(b[:], binary.BigEndian.Uint32(x[:])) } func store_be32_idx(b []byte, x uint32, idx int) { // amd64/v1,amd64/v2:`BSWAPL`,-`SHR.` // amd64/v3:`MOVBEL\t[A-Z]+[0-9]*, \([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*1\)` // arm64:`REVW`,`MOVW\sR[0-9]+,\s\(R[0-9]+\)\(R[0-9]+\)`,-`MOV[BH]`,-`REV16W` // ppc64le:`MOVWBR` // ppc64:`MOVW\s` // s390x:`MOVW\s.*\(.*\)\(.*\*1\)$`,-`SRW\s`,-`SRD\s` binary.BigEndian.PutUint32(b[idx:], x) } func store_be16(b []byte, x uint16) { // amd64/v1,amd64/v2:`ROLW\s\$8`,-`SHR.` // amd64/v3:`MOVBEW`,-`ROLW` // arm64:`MOVH`,`REV16W`,-`MOVB` // ppc64le:`MOVHBR` // ppc64:`MOVH\s` // s390x:`MOVH\s.*\(.*\)$`,-`SRW\s`,-`SRD\s` binary.BigEndian.PutUint16(b, x) } func store_be16_idx(b []byte, x uint16, idx int) { // amd64/v1,amd64/v2:`ROLW\s\$8`,-`SHR.` // amd64/v3:`MOVBEW\t[A-Z]+[0-9]*, \([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*1\)` // arm64:`MOVH\sR[0-9]+,\s\(R[0-9]+\)\(R[0-9]+\)`,`REV16W`,-`MOVB` // ppc64le:`MOVHBR` // ppc64:`MOVH\s` // s390x:`MOVH\s.*\(.*\)\(.*\*1\)$`,-`SRW\s`,-`SRD\s` binary.BigEndian.PutUint16(b[idx:], x) } 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` // ppc64le:`MOVH\s`,-`MOVB` // ppc64:`MOVHBR`,-`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` // ppc64le:`MOVH\s`,-`MOVB` // ppc64:`MOVHBR`,-`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` // ppc64le:`MOVW\s` // ppc64:`MOVWBR\s` 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` // ppc64le:`MOVD\s`,-`MOVW` // ppc64:`MOVDBR\s` 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/v1,amd64/v2:`MOVW\s[A-Z]+,\s1\([A-Z]+\)`,-`MOVB` // amd64/v3: `MOVBEW` // ppc64le:`MOVHBR` // ppc64:`MOVH\s` 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/v1,amd64/v2:`MOVL\s[A-Z]+,\s1\([A-Z]+\)`,-`MOVB`,-`MOVW` // amd64/v3:`MOVBEL\s[A-Z]+,\s1\([A-Z]+\)` // ppc64le:`MOVWBR` // ppc64:`MOVW\s` 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/v1,amd64/v2:`MOVQ\s[A-Z]+,\s1\([A-Z]+\)`,-`MOVB`,-`MOVW`,-`MOVL` // amd64/v3:`MOVBEQ\s[A-Z]+,\s1\([A-Z]+\)`, -`MOVBEL` // ppc64le:`MOVDBR` // ppc64:`MOVD` 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` // ppc64le:`MOVH\s` // ppc64:`MOVHBR` 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` // ppc64le:`MOVH\s` // ppc64:`MOVHBR` 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` // ppc64le:`MOVW\s` // ppc64:`MOVWBR` 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` // ppc64le:`MOVHBR` // ppc64:`MOVH\s` 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` // ppc64le:`MOVWBR` // ppc64:`MOVW\s` 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` // ppc64le:`MOVHBR` // ppc64:`MOVH\s` 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` // ppc64le:`MOVH\s` // ppc64:`MOVHBR` 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` // ppc64le:`MOVWBR` // ppc64:`MOVW\s` 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` // ppc64le:`MOVW\s` // ppc64:`MOVWBR` 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\([A-Z]+\)` // ppc64x:`MOVH\s` b1[0], b1[1] = 0, 0 // arm64:"MOVH\tZR",-"MOVB" // 386:`MOVW\s[$]0,\s\([A-Z]+\)` // amd64:`MOVW\s[$]0,\s\([A-Z]+\)` // ppc64x:`MOVH` 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\([A-Z]+\)` // ppc64x:`MOVW\s` b1[0], b1[1], b1[2], b1[3] = 0, 0, 0, 0 // arm64:"MOVW\tZR",-"MOVB",-"MOVH" // ppc64x:`MOVW\s` 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 // arm64:"MOVD\tZR",-"MOVB",-"MOVH",-"MOVW" b[4], b[5], b[6], b[7] = 0, 0, 0, 0 } func zero_byte_16(b []byte) { _ = b[15] b[0], b[1], b[2], b[3] = 0, 0, 0, 0 // arm64:"STP",-"MOVB",-"MOVH",-"MOVW" 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 } 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` // ppc64x:`MOVH\s` 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` // ppc64x:`MOVH\s` 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\([A-Z]+\)` // ppc64x:`MOVW\s` h1[0], h1[1] = 0, 0 // arm64:"MOVW\tZR",-"MOVB",-"MOVH" // amd64:`MOVL\s[$]0,\s\([A-Z]+\)` // 386:`MOVL\s[$]0,\s\([A-Z]+\)` // ppc64x:`MOVW` 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\([A-Z]+\)` // ppc64x:`MOVD\s` h1[0], h1[1], h1[2], h1[3] = 0, 0, 0, 0 // arm64:"MOVD\tZR",-"MOVB",-"MOVH",-"MOVW" // ppc64x:`MOVD\s` 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 // arm64:"STP",-"MOVB",-"MOVH" h[4], h[5], h[6], h[7] = 0, 0, 0, 0 } func zero_uint32_2(w1, w2 []uint32) { _, _ = w1[1], w2[1] // arm64:"MOVD\tZR",-"MOVB",-"MOVH",-"MOVW" // amd64:`MOVQ\s[$]0,\s\([A-Z]+\)` // ppc64x:`MOVD\s` w1[0], w1[1] = 0, 0 // arm64:"MOVD\tZR",-"MOVB",-"MOVH",-"MOVW" // amd64:`MOVQ\s[$]0,\s\([A-Z]+\)` // ppc64x:`MOVD\s` 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" } func loadstore(p, q *[4]uint8) { // amd64:"MOVL",-"MOVB" // arm64:"MOVWU",-"MOVBU" x0, x1, x2, x3 := q[0], q[1], q[2], q[3] // amd64:"MOVL",-"MOVB" // arm64:"MOVW",-"MOVB" p[0], p[1], p[2], p[3] = x0, x1, x2, x3 } type S1 struct { a, b int16 } func loadstore2(p, q *S1) { // amd64:"MOVL",-"MOVWLZX" // arm64:"MOVWU",-"MOVH" a, b := p.a, p.b // amd64:"MOVL",-"MOVW" // arm64:"MOVW",-"MOVH" q.a, q.b = a, b } func wideStore(p *[8]uint64) { if p == nil { return } // amd64:"MOVUPS",-"MOVQ" // arm64:"STP",-"MOVD" p[0] = 0 // amd64:-"MOVUPS",-"MOVQ" // arm64:-"STP",-"MOVD" p[1] = 0 } func wideStore2(p *[8]uint64, x, y uint64) { if p == nil { return } // s390x:"STMG" p[0] = x // s390x:-"STMG",-"MOVD" p[1] = y } func store32le(p *struct{ a, b uint32 }, x uint64) { // amd64:"MOVQ",-"MOVL",-"SHRQ" // arm64:"MOVD",-"MOVW",-"LSR" // ppc64le:"MOVD",-"MOVW",-"SRD" p.a = uint32(x) // amd64:-"MOVL",-"SHRQ" // arm64:-"MOVW",-"LSR" // ppc64le:-"MOVW",-"SRD" p.b = uint32(x >> 32) } func store32be(p *struct{ a, b uint32 }, x uint64) { // ppc64:"MOVD",-"MOVW",-"SRD" // s390x:"MOVD",-"MOVW",-"SRD" p.a = uint32(x >> 32) // ppc64:-"MOVW",-"SRD" // s390x:-"MOVW",-"SRD" p.b = uint32(x) } func store16le(p *struct{ a, b uint16 }, x uint32) { // amd64:"MOVL",-"MOVW",-"SHRL" // arm64:"MOVW",-"MOVH",-"UBFX" // ppc64le:"MOVW",-"MOVH",-"SRW" p.a = uint16(x) // amd64:-"MOVW",-"SHRL" // arm64:-"MOVH",-"UBFX" // ppc64le:-"MOVH",-"SRW" p.b = uint16(x >> 16) } func store16be(p *struct{ a, b uint16 }, x uint32) { // ppc64:"MOVW",-"MOVH",-"SRW" // s390x:"MOVW",-"MOVH",-"SRW" p.a = uint16(x >> 16) // ppc64:-"MOVH",-"SRW" // s390x:-"MOVH",-"SRW" p.b = uint16(x) } func storeBoolConst(p *struct{ a, b bool }) { // amd64:"MOVW",-"MOVB" // arm64:"MOVH",-"MOVB" p.a = true p.b = true } func issue66413(p *struct { a byte b bool c bool d int8 }) { // amd64:"MOVL",-"MOVB" // arm64:"MOVW",-"MOVB" p.a = 31 p.b = false p.c = true p.d = 12 }
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