//===----------------------------------------------------------------------===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// // We need to use shifts here in order to mantain the sign bit for signed // integers. The compiler should optimize this to (x & 0x00FFFFFF) for // unsigned integers. #define CONVERT_TO_24BIT(x) (((x) << 8) >> 8) _CLC_OVERLOAD _CLC_DEF __CLC_GENTYPE __clc_mul24(__CLC_GENTYPE x, __CLC_GENTYPE y) { return CONVERT_TO_24BIT(x) * CONVERT_TO_24BIT(y); } #undef CONVERT_TO_24BIT