github.com/apache/arrow/go/v16@v16.1.0/arrow/compute/internal/kernels/constant_factor_amd64.go (about)

     1  // Licensed to the Apache Software Foundation (ASF) under one
     2  // or more contributor license agreements.  See the NOTICE file
     3  // distributed with this work for additional information
     4  // regarding copyright ownership.  The ASF licenses this file
     5  // to you under the Apache License, Version 2.0 (the
     6  // "License"); you may not use this file except in compliance
     7  // with the License.  You may obtain a copy of the License at
     8  //
     9  // http://www.apache.org/licenses/LICENSE-2.0
    10  //
    11  // Unless required by applicable law or agreed to in writing, software
    12  // distributed under the License is distributed on an "AS IS" BASIS,
    13  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14  // See the License for the specific language governing permissions and
    15  // limitations under the License.
    16  
    17  //go:build go1.18 && !noasm
    18  
    19  package kernels
    20  
    21  import (
    22  	"golang.org/x/sys/cpu"
    23  )
    24  
    25  func init() {
    26  	if cpu.X86.HasAVX2 {
    27  		multiplyConstantInt32Int32 = multiplyConstantInt32Int32Avx2
    28  		multiplyConstantInt32Int64 = multiplyConstantInt32Int64Avx2
    29  		multiplyConstantInt64Int32 = multiplyConstantInt64Int32Avx2
    30  		multiplyConstantInt64Int64 = multiplyConstantInt64Int64Avx2
    31  
    32  		divideConstantInt32Int32 = divideConstantInt32Int32Avx2
    33  		divideConstantInt32Int64 = divideConstantInt32Int64Avx2
    34  		divideConstantInt64Int32 = divideConstantInt64Int32Avx2
    35  		divideConstantInt64Int64 = divideConstantInt64Int64Avx2
    36  	} else if cpu.X86.HasSSE42 {
    37  		multiplyConstantInt32Int32 = multiplyConstantInt32Int32SSE4
    38  		multiplyConstantInt32Int64 = multiplyConstantInt32Int64SSE4
    39  		multiplyConstantInt64Int32 = multiplyConstantInt64Int32SSE4
    40  		multiplyConstantInt64Int64 = multiplyConstantInt64Int64SSE4
    41  
    42  		divideConstantInt32Int32 = divideConstantInt32Int32SSE4
    43  		divideConstantInt32Int64 = divideConstantInt32Int64SSE4
    44  		divideConstantInt64Int32 = divideConstantInt64Int32SSE4
    45  		divideConstantInt64Int64 = divideConstantInt64Int64SSE4
    46  	} else {
    47  		multiplyConstantInt32Int32 = multiplyConstantGo[int32, int32]
    48  		multiplyConstantInt32Int64 = multiplyConstantGo[int32, int64]
    49  		multiplyConstantInt64Int32 = multiplyConstantGo[int64, int32]
    50  		multiplyConstantInt64Int64 = multiplyConstantGo[int64, int64]
    51  
    52  		divideConstantInt32Int32 = divideConstantGo[int32, int32]
    53  		divideConstantInt32Int64 = divideConstantGo[int32, int64]
    54  		divideConstantInt64Int32 = divideConstantGo[int64, int32]
    55  		divideConstantInt64Int64 = divideConstantGo[int64, int64]
    56  	}
    57  }