// asmcheck // Copyright 2021 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 func andn64(x, y int64) int64 { // amd64/v3:"ANDNQ" return x &^ y } func andn32(x, y int32) int32 { // amd64/v3:"ANDNL" return x &^ y } func blsi64(x int64) int64 { // amd64/v3:"BLSIQ" return x & -x } func blsi32(x int32) int32 { // amd64/v3:"BLSIL" return x & -x } func blsmsk64(x int64) int64 { // amd64/v3:"BLSMSKQ" return x ^ (x - 1) } func blsmsk32(x int32) int32 { // amd64/v3:"BLSMSKL" return x ^ (x - 1) } func blsr64(x int64) int64 { // amd64/v3:"BLSRQ" return x & (x - 1) } func blsr32(x int32) int32 { // amd64/v3:"BLSRL" return x & (x - 1) } func sarx64(x, y int64) int64 { // amd64/v3:"SARXQ" return x >> y } func sarx32(x, y int32) int32 { // amd64/v3:"SARXL" return x >> y } func shlrx64(x []uint64, i int, s uint64) uint64 { // amd64/v3: `SHRXQ\t[A-Z]+[0-9]*, \([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\), [A-Z]+[0-9]*` s = x[i] >> i // amd64/v3: `SHLXQ\t[A-Z]+[0-9]*, 8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\), [A-Z]+[0-9]*` s = x[i+1] << s return s } func shlrx32(x []uint32, i int, s uint32) uint32 { // amd64/v3: `SHRXL\t[A-Z]+[0-9]*, \([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\), [A-Z]+[0-9]*` s = x[i] >> i // amd64/v3: `SHLXL\t[A-Z]+[0-9]*, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\), [A-Z]+[0-9]*` s = x[i+1] << s return s }