import quincy 17.2.0

[ceph.git] / ceph / src / arrow / go / parquet / internal / utils / min_max_sse4_amd64.go

diff --git a/ceph/src/arrow/go/parquet/internal/utils/min_max_sse4_amd64.go b/ceph/src/arrow/go/parquet/internal/utils/min_max_sse4_amd64.go
new file mode 100644 (file)
index 0000000..22b92fb
--- /dev/null
+++ b/ceph/src/arrow/go/parquet/internal/utils/min_max_sse4_amd64.go
@@ -0,0 +1,56 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// +build !noasm
+
+package utils
+
+import "unsafe"
+
+// This file contains convenience functions for utilizing SSE4 intrinsics to quickly
+// and efficiently get the min and max from an integral slice.
+
+//go:noescape
+func _int32_max_min_sse4(values unsafe.Pointer, length int, minout, maxout unsafe.Pointer)
+
+func int32MaxMinSSE4(values []int32) (min, max int32) {
+       _int32_max_min_sse4(unsafe.Pointer(&values[0]), len(values), unsafe.Pointer(&min), unsafe.Pointer(&max))
+       return
+}
+
+//go:noescape
+func _uint32_max_min_sse4(values unsafe.Pointer, length int, minout, maxout unsafe.Pointer)
+
+func uint32MaxMinSSE4(values []uint32) (min, max uint32) {
+       _uint32_max_min_sse4(unsafe.Pointer(&values[0]), len(values), unsafe.Pointer(&min), unsafe.Pointer(&max))
+       return
+}
+
+//go:noescape
+func _int64_max_min_sse4(values unsafe.Pointer, length int, minout, maxout unsafe.Pointer)
+
+func int64MaxMinSSE4(values []int64) (min, max int64) {
+       _int64_max_min_sse4(unsafe.Pointer(&values[0]), len(values), unsafe.Pointer(&min), unsafe.Pointer(&max))
+       return
+}
+
+//go:noescape
+func _uint64_max_min_sse4(values unsafe.Pointer, length int, minout, maxout unsafe.Pointer)
+
+func uint64MaxMinSSE4(values []uint64) (min, max uint64) {
+       _uint64_max_min_sse4(unsafe.Pointer(&values[0]), len(values), unsafe.Pointer(&min), unsafe.Pointer(&max))
+       return
+}