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Diffstat (limited to 'offload/DeviceRTL/src/DeviceUtils.cpp')
| -rw-r--r-- | offload/DeviceRTL/src/DeviceUtils.cpp | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/offload/DeviceRTL/src/DeviceUtils.cpp b/offload/DeviceRTL/src/DeviceUtils.cpp deleted file mode 100644 index d6f8c499c890..000000000000 --- a/offload/DeviceRTL/src/DeviceUtils.cpp +++ /dev/null @@ -1,64 +0,0 @@ -//===------- Utils.cpp - OpenMP device runtime utility functions -- C++ -*-===// -// -// 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 -// -//===----------------------------------------------------------------------===// -// -// -//===----------------------------------------------------------------------===// - -#include "DeviceUtils.h" - -#include "Debug.h" -#include "Interface.h" -#include "Mapping.h" -#include "gpuintrin.h" - -using namespace ompx; - -uint64_t utils::pack(uint32_t LowBits, uint32_t HighBits) { - return (((uint64_t)HighBits) << 32) | (uint64_t)LowBits; -} - -void utils::unpack(uint64_t Val, uint32_t &LowBits, uint32_t &HighBits) { - static_assert(sizeof(unsigned long) == 8, ""); - LowBits = static_cast<uint32_t>(Val & 0x00000000FFFFFFFFUL); - HighBits = static_cast<uint32_t>((Val & 0xFFFFFFFF00000000UL) >> 32); -} - -int32_t utils::shuffle(uint64_t Mask, int32_t Var, int32_t SrcLane, - int32_t Width) { - return __gpu_shuffle_idx_u32(Mask, SrcLane, Var, Width); -} - -int32_t utils::shuffleDown(uint64_t Mask, int32_t Var, uint32_t Delta, - int32_t Width) { - int32_t Self = mapping::getThreadIdInWarp(); - int32_t Index = (Delta + (Self & (Width - 1))) >= Width ? Self : Self + Delta; - return __gpu_shuffle_idx_u64(Mask, Index, Var, Width); -} - -int64_t utils::shuffleDown(uint64_t Mask, int64_t Var, uint32_t Delta, - int32_t Width) { - int32_t Self = mapping::getThreadIdInWarp(); - int32_t Index = (Delta + (Self & (Width - 1))) >= Width ? Self : Self + Delta; - return __gpu_shuffle_idx_u64(Mask, Index, Var, Width); -} - -uint64_t utils::ballotSync(uint64_t Mask, int32_t Pred) { - return __gpu_ballot(Mask, Pred); -} - -bool utils::isSharedMemPtr(void *Ptr) { return __gpu_is_ptr_local(Ptr); } - -extern "C" { -int32_t __kmpc_shuffle_int32(int32_t Val, int16_t Delta, int16_t SrcLane) { - return utils::shuffleDown(lanes::All, Val, Delta, SrcLane); -} - -int64_t __kmpc_shuffle_int64(int64_t Val, int16_t Delta, int16_t Width) { - return utils::shuffleDown(lanes::All, Val, Delta, Width); -} -} |
