manual: support loong64

Support build on loong64.
loong64 or Loongson (龙芯) is the name of a family of general-purpose, MIPS
architecture-compatible, later in-house LoongArch architecture microprocessors

Author: D3Hunter

internal/manual/manual_64bit.go

@@ -2,8 +2,8 @@
 // of this source code is governed by a BSD-style license that can be found in
 // the LICENSE file.
 
-//go:build amd64 || arm64 || arm64be || ppc64 || ppc64le || mips64 || mips64le || s390x || sparc64 || riscv64
-// +build amd64 arm64 arm64be ppc64 ppc64le mips64 mips64le s390x sparc64 riscv64
+//go:build amd64 || arm64 || arm64be || ppc64 || ppc64le || mips64 || mips64le || s390x || sparc64 || riscv64 || loong64
+// +build amd64 arm64 arm64be ppc64 ppc64le mips64 mips64le s390x sparc64 riscv64 loong64
 
 package manual
 

internal/rawalloc/rawalloc_64bit.go

@@ -12,8 +12,8 @@
 // implied. See the License for the specific language governing
 // permissions and limitations under the License.
 
-//go:build amd64 || arm64 || arm64be || ppc64 || ppc64le || mips64 || mips64le || s390x || sparc64 || riscv64
-// +build amd64 arm64 arm64be ppc64 ppc64le mips64 mips64le s390x sparc64 riscv64
+//go:build amd64 || arm64 || arm64be || ppc64 || ppc64le || mips64 || mips64le || s390x || sparc64 || riscv64 || loong64
+// +build amd64 arm64 arm64be ppc64 ppc64le mips64 mips64le s390x sparc64 riscv64 loong64
 
 package rawalloc