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Diffstat (limited to 'PxShared/src/foundation/include/unix/PsUnixIntrinsics.h')
| -rw-r--r-- | PxShared/src/foundation/include/unix/PsUnixIntrinsics.h | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/PxShared/src/foundation/include/unix/PsUnixIntrinsics.h b/PxShared/src/foundation/include/unix/PsUnixIntrinsics.h deleted file mode 100644 index e15b3b5..0000000 --- a/PxShared/src/foundation/include/unix/PsUnixIntrinsics.h +++ /dev/null @@ -1,153 +0,0 @@ -// This code contains NVIDIA Confidential Information and is disclosed to you -// under a form of NVIDIA software license agreement provided separately to you. -// -// Notice -// NVIDIA Corporation and its licensors retain all intellectual property and -// proprietary rights in and to this software and related documentation and -// any modifications thereto. Any use, reproduction, disclosure, or -// distribution of this software and related documentation without an express -// license agreement from NVIDIA Corporation is strictly prohibited. -// -// ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES -// NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO -// THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT, -// MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE. -// -// Information and code furnished is believed to be accurate and reliable. -// However, NVIDIA Corporation assumes no responsibility for the consequences of use of such -// information or for any infringement of patents or other rights of third parties that may -// result from its use. No license is granted by implication or otherwise under any patent -// or patent rights of NVIDIA Corporation. Details are subject to change without notice. -// This code supersedes and replaces all information previously supplied. -// NVIDIA Corporation products are not authorized for use as critical -// components in life support devices or systems without express written approval of -// NVIDIA Corporation. -// -// Copyright (c) 2008-2017 NVIDIA Corporation. All rights reserved. -// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved. -// Copyright (c) 2001-2004 NovodeX AG. All rights reserved. - -#ifndef PSFOUNDATION_PSUNIXINTRINSICS_H -#define PSFOUNDATION_PSUNIXINTRINSICS_H - -#include "Ps.h" -#include "foundation/PxAssert.h" -#include <math.h> - -#if PX_ANDROID || (PX_LINUX && !(PX_X64 || PX_X64)) // x86[_64] Linux uses inline assembly for debug break -#include <signal.h> // for Ns::debugBreak() { raise(SIGTRAP); } -#endif - -#if 0 -#include <libkern/OSAtomic.h> -#endif - -// this file is for internal intrinsics - that is, intrinsics that are used in -// cross platform code but do not appear in the API - -#if !(PX_LINUX || PX_ANDROID || PX_PS4 || PX_APPLE_FAMILY) -#error "This file should only be included by unix builds!!" -#endif - -namespace physx -{ -namespace shdfnd -{ - -PX_FORCE_INLINE void memoryBarrier() -{ - __sync_synchronize(); -} - -/*! -Return the index of the highest set bit. Undefined for zero arg. -*/ -PX_INLINE uint32_t highestSetBitUnsafe(uint32_t v) -{ - - return 31 - __builtin_clz(v); -} - -/*! -Return the index of the highest set bit. Undefined for zero arg. -*/ -PX_INLINE int32_t lowestSetBitUnsafe(uint32_t v) -{ - return __builtin_ctz(v); -} - -/*! -Returns the index of the highest set bit. Returns 32 for v=0. -*/ -PX_INLINE uint32_t countLeadingZeros(uint32_t v) -{ - if(v) - return __builtin_clz(v); - else - return 32; -} - -/*! -Prefetch aligned 64B x86, 32b ARM around \c ptr+offset. -*/ -PX_FORCE_INLINE void prefetchLine(const void* ptr, uint32_t offset = 0) -{ - __builtin_prefetch(reinterpret_cast<const char* PX_RESTRICT>(ptr) + offset, 0, 3); -} - -/*! -Prefetch \c count bytes starting at \c ptr. -*/ -#if PX_ANDROID || PX_IOS -PX_FORCE_INLINE void prefetch(const void* ptr, uint32_t count = 1) -{ - const char* cp = static_cast<const char*>(ptr); - size_t p = reinterpret_cast<size_t>(ptr); - uint32_t startLine = uint32_t(p >> 5), endLine = uint32_t((p + count - 1) >> 5); - uint32_t lines = endLine - startLine + 1; - do - { - prefetchLine(cp); - cp += 32; - } while(--lines); -} -#else -PX_FORCE_INLINE void prefetch(const void* ptr, uint32_t count = 1) -{ - const char* cp = reinterpret_cast<const char*>(ptr); - uint64_t p = size_t(ptr); - uint64_t startLine = p >> 6, endLine = (p + count - 1) >> 6; - uint64_t lines = endLine - startLine + 1; - do - { - prefetchLine(cp); - cp += 64; - } while(--lines); -} -#endif - -//! \brief platform-specific reciprocal -PX_CUDA_CALLABLE PX_FORCE_INLINE float recipFast(float a) -{ - return 1.0f / a; -} - -//! \brief platform-specific fast reciprocal square root -PX_CUDA_CALLABLE PX_FORCE_INLINE float recipSqrtFast(float a) -{ - return 1.0f / ::sqrtf(a); -} - -//! \brief platform-specific floor -PX_CUDA_CALLABLE PX_FORCE_INLINE float floatFloor(float x) -{ - return ::floorf(x); -} - -#define NS_EXPECT_TRUE(x) x -#define NS_EXPECT_FALSE(x) x - -} // namespace shdfnd -} // namespace physx - -#endif // #ifndef PSFOUNDATION_PSUNIXINTRINSICS_H |