21 lines · plain
1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9_CLC_OVERLOAD _CLC_DEF __CLC_GENTYPE __clc_bitfield_insert(__CLC_GENTYPE base,10 __CLC_GENTYPE insert,11 uint offset,12 uint count) {13 __CLC_U_GENTYPE u_base = __CLC_AS_U_GENTYPE(base);14 __CLC_U_GENTYPE u_insert = __CLC_AS_U_GENTYPE(insert);15 __CLC_U_GENTYPE mask = (((__CLC_U_GENTYPE)1 << count) - (__CLC_U_GENTYPE)1)16 << offset;17 mask = count < __CLC_GENSIZE ? mask : ~(__CLC_U_GENTYPE)0;18 __CLC_U_GENTYPE result = ((u_insert << offset) & mask) | (u_base & ~mask);19 return __CLC_AS_GENTYPE(result);20}21