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/****************************************************************************
* Copyright (C) 2014-2018 Intel Corporation. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
* @file builder_gfx_mem.cpp
*
* @brief Definition of the gfx mem builder
*
* Notes:
*
******************************************************************************/
#include "jit_pch.hpp"
#include "builder.h"
#include "common/rdtsc_buckets.h"
#include "builder_gfx_mem.h"
namespace SwrJit
{
using namespace llvm;
BuilderGfxMem::BuilderGfxMem(JitManager* pJitMgr) :
Builder(pJitMgr)
{
mpTranslationFuncTy = nullptr;
mpfnTranslateGfxAddress = nullptr;
mpParamSimDC = nullptr;
}
void BuilderGfxMem::NotifyPrivateContextSet()
{
}
void BuilderGfxMem::AssertGFXMemoryParams(Value* ptr, Builder::JIT_MEM_CLIENT usage)
{
SWR_ASSERT(!(ptr->getType() == mInt64Ty && usage == MEM_CLIENT_INTERNAL), "Internal memory should not be gfxptr_t.");
}
//////////////////////////////////////////////////////////////////////////
/// @brief Generate a masked gather operation in LLVM IR. If not
/// supported on the underlying platform, emulate it with loads
/// @param vSrc - SIMD wide value that will be loaded if mask is invalid
/// @param pBase - Int8* base VB address pointer value
/// @param vIndices - SIMD wide value of VB byte offsets
/// @param vMask - SIMD wide mask that controls whether to access memory or the src values
/// @param scale - value to scale indices by
Value *BuilderGfxMem::GATHERPS(Value *vSrc, Value *pBase, Value *vIndices, Value *vMask, uint8_t scale, JIT_MEM_CLIENT usage)
{
Value *vGather;
// address may be coming in as 64bit int now so get the pointer
if (pBase->getType() == mInt64Ty)
{
pBase = INT_TO_PTR(pBase, PointerType::get(mInt8Ty, 0));
}
vGather = Builder::GATHERPS(vSrc, pBase, vIndices, vMask, scale);
return vGather;
}
//////////////////////////////////////////////////////////////////////////
/// @brief Generate a masked gather operation in LLVM IR. If not
/// supported on the underlying platform, emulate it with loads
/// @param vSrc - SIMD wide value that will be loaded if mask is invalid
/// @param pBase - Int8* base VB address pointer value
/// @param vIndices - SIMD wide value of VB byte offsets
/// @param vMask - SIMD wide mask that controls whether to access memory or the src values
/// @param scale - value to scale indices by
Value *BuilderGfxMem::GATHERDD(Value* vSrc, Value* pBase, Value* vIndices, Value* vMask, uint8_t scale, JIT_MEM_CLIENT usage)
{
Value* vGather = VIMMED1(0.0f);
// address may be coming in as 64bit int now so get the pointer
if (pBase->getType() == mInt64Ty)
{
pBase = INT_TO_PTR(pBase, PointerType::get(mInt8Ty, 0));
}
vGather = Builder::GATHERDD(vSrc, pBase, vIndices, vMask, scale);
return vGather;
}
Value* BuilderGfxMem::OFFSET_TO_NEXT_COMPONENT(Value* base, Constant *offset)
{
return ADD(base, offset);
}
Value *BuilderGfxMem::GEP(Value *Ptr, Value *Idx, Type *Ty, const Twine &Name)
{
Ptr = TranslationHelper(Ptr, Ty);
return Builder::GEP(Ptr, Idx, nullptr, Name);
}
Value *BuilderGfxMem::GEP(Type *Ty, Value *Ptr, Value *Idx, const Twine &Name)
{
Ptr = TranslationHelper(Ptr, Ty);
return Builder::GEP(Ty, Ptr, Idx, Name);
}
Value *BuilderGfxMem::GEP(Value* Ptr, const std::initializer_list<Value*> &indexList, Type *Ty)
{
Ptr = TranslationHelper(Ptr, Ty);
return Builder::GEP(Ptr, indexList);
}
Value *BuilderGfxMem::GEP(Value* Ptr, const std::initializer_list<uint32_t> &indexList, Type *Ty)
{
Ptr = TranslationHelper(Ptr, Ty);
return Builder::GEP(Ptr, indexList);
}
Value* BuilderGfxMem::TranslationHelper(Value *Ptr, Type *Ty)
{
SWR_ASSERT(!(Ptr->getType() == mInt64Ty && Ty == nullptr), "Access of GFX pointers must have non-null type specified.");
// address may be coming in as 64bit int now so get the pointer
if (Ptr->getType() == mInt64Ty)
{
Ptr = INT_TO_PTR(Ptr, Ty);
}
return Ptr;
}
LoadInst* BuilderGfxMem::LOAD(Value *Ptr, const char *Name, Type *Ty, JIT_MEM_CLIENT usage)
{
AssertGFXMemoryParams(Ptr, usage);
Ptr = TranslationHelper(Ptr, Ty);
return Builder::LOAD(Ptr, Name);
}
LoadInst* BuilderGfxMem::LOAD(Value *Ptr, const Twine &Name, Type *Ty, JIT_MEM_CLIENT usage)
{
AssertGFXMemoryParams(Ptr, usage);
Ptr = TranslationHelper(Ptr, Ty);
return Builder::LOAD(Ptr, Name);
}
LoadInst* BuilderGfxMem::LOAD(Value *Ptr, bool isVolatile, const Twine &Name, Type *Ty, JIT_MEM_CLIENT usage)
{
AssertGFXMemoryParams(Ptr, usage);
Ptr = TranslationHelper(Ptr, Ty);
return Builder::LOAD(Ptr, isVolatile, Name);
}
LoadInst *BuilderGfxMem::LOAD(Value *BasePtr, const std::initializer_list<uint32_t> &offset, const llvm::Twine& name, Type *Ty, JIT_MEM_CLIENT usage)
{
AssertGFXMemoryParams(BasePtr, usage);
bool bNeedTranslation = false;
if (BasePtr->getType() == mInt64Ty)
{
SWR_ASSERT(Ty);
BasePtr = INT_TO_PTR(BasePtr, Ty, name);
bNeedTranslation = true;
}
std::vector<Value*> valIndices;
for (auto i : offset)
{
valIndices.push_back(C(i));
}
BasePtr = Builder::GEPA(BasePtr, valIndices, name);
if (bNeedTranslation)
{
BasePtr = PTR_TO_INT(BasePtr, mInt64Ty, name);
}
return LOAD(BasePtr, name, Ty, usage);
}
CallInst* BuilderGfxMem::MASKED_LOAD(Value *Ptr, unsigned Align, Value *Mask, Value *PassThru, const Twine &Name, Type *Ty, JIT_MEM_CLIENT usage)
{
AssertGFXMemoryParams(Ptr, usage);
Ptr = TranslationHelper(Ptr, Ty);
return Builder::MASKED_LOAD(Ptr, Align, Mask, PassThru, Name, Ty, usage);
}
Value* BuilderGfxMem::TranslateGfxAddress(Value* xpGfxAddress, Type* PtrTy, const Twine &Name, JIT_MEM_CLIENT /* usage */)
{
if (PtrTy == nullptr)
{
PtrTy = mInt8PtrTy;
}
return INT_TO_PTR(xpGfxAddress, PtrTy, Name);
}
}
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