/****************************************************************************
-* Copyright (C) 2014-2015 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_misc.cpp
-*
-* @brief Implementation for miscellaneous builder functions
-*
-* Notes:
-*
-******************************************************************************/
+ * Copyright (C) 2014-2015 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_misc.cpp
+ *
+ * @brief Implementation for miscellaneous builder functions
+ *
+ * Notes:
+ *
+ ******************************************************************************/
+#include "jit_pch.hpp"
#include "builder.h"
#include "common/rdtsc_buckets.h"
#include <cstdarg>
+extern "C" void CallPrint(const char* fmt, ...);
+
namespace SwrJit
{
- void __cdecl CallPrint(const char* fmt, ...);
-
//////////////////////////////////////////////////////////////////////////
/// @brief Convert an IEEE 754 32-bit single precision float to an
/// 16 bit float with 5 exponent bits and a variable
/// number of mantissa bits.
/// @param val - 32-bit float
/// @todo Maybe move this outside of this file into a header?
- static uint16_t Convert32To16Float(float val)
+ static uint16_t ConvertFloat32ToFloat16(float val)
{
uint32_t sign, exp, mant;
uint32_t roundBits;
// Extract the sign, exponent, and mantissa
uint32_t uf = *(uint32_t*)&val;
- sign = (uf & 0x80000000) >> 31;
- exp = (uf & 0x7F800000) >> 23;
- mant = uf & 0x007FFFFF;
+ sign = (uf & 0x80000000) >> 31;
+ exp = (uf & 0x7F800000) >> 23;
+ mant = uf & 0x007FFFFF;
// Check for out of range
if (std::isnan(val))
{
- exp = 0x1F;
+ exp = 0x1F;
mant = 0x200;
- sign = 1; // set the sign bit for NANs
+ sign = 1; // set the sign bit for NANs
}
else if (std::isinf(val))
{
- exp = 0x1f;
+ exp = 0x1f;
mant = 0x0;
}
else if (exp > (0x70 + 0x1E)) // Too big to represent -> max representable value
{
- exp = 0x1E;
+ exp = 0x1E;
mant = 0x3FF;
}
else if ((exp <= 0x70) && (exp >= 0x66)) // It's a denorm
mant |= 0x00800000;
for (; exp <= 0x70; mant >>= 1, exp++)
;
- exp = 0;
+ exp = 0;
mant = mant >> 13;
}
else if (exp < 0x66) // Too small to represent -> Zero
{
- exp = 0;
+ exp = 0;
mant = 0;
}
else
// Saves bits that will be shifted off for rounding
roundBits = mant & 0x1FFFu;
// convert exponent and mantissa to 16 bit format
- exp = exp - 0x70;
+ exp = exp - 0x70;
mant = mant >> 13;
// Essentially RTZ, but round up if off by only 1 lsb
return (uint16_t)tmpVal;
}
- //////////////////////////////////////////////////////////////////////////
- /// @brief Convert an IEEE 754 16-bit float to an 32-bit single precision
- /// float
- /// @param val - 16-bit float
- /// @todo Maybe move this outside of this file into a header?
- static float ConvertSmallFloatTo32(UINT val)
- {
- UINT result;
- if ((val & 0x7fff) == 0)
- {
- result = ((uint32_t)(val & 0x8000)) << 16;
- }
- else if ((val & 0x7c00) == 0x7c00)
- {
- result = ((val & 0x3ff) == 0) ? 0x7f800000 : 0x7fc00000;
- result |= ((uint32_t)val & 0x8000) << 16;
- }
- else
- {
- uint32_t sign = (val & 0x8000) << 16;
- uint32_t mant = (val & 0x3ff) << 13;
- uint32_t exp = (val >> 10) & 0x1f;
- if ((exp == 0) && (mant != 0)) // Adjust exponent and mantissa for denormals
- {
- mant <<= 1;
- while (mant < (0x400 << 13))
- {
- exp--;
- mant <<= 1;
- }
- mant &= (0x3ff << 13);
- }
- exp = ((exp - 15 + 127) & 0xff) << 23;
- result = sign | exp | mant;
- }
+ Constant* Builder::C(bool i) { return ConstantInt::get(IRB()->getInt1Ty(), (i ? 1 : 0)); }
- return *(float*)&result;
- }
+ Constant* Builder::C(char i) { return ConstantInt::get(IRB()->getInt8Ty(), i); }
- Constant *Builder::C(bool i)
- {
- return ConstantInt::get(IRB()->getInt1Ty(), (i ? 1 : 0));
- }
+ Constant* Builder::C(uint8_t i) { return ConstantInt::get(IRB()->getInt8Ty(), i); }
- Constant *Builder::C(char i)
- {
- return ConstantInt::get(IRB()->getInt8Ty(), i);
- }
+ Constant* Builder::C(int i) { return ConstantInt::get(IRB()->getInt32Ty(), i); }
- Constant *Builder::C(uint8_t i)
- {
- return ConstantInt::get(IRB()->getInt8Ty(), i);
- }
+ Constant* Builder::C(int64_t i) { return ConstantInt::get(IRB()->getInt64Ty(), i); }
- Constant *Builder::C(int i)
- {
- return ConstantInt::get(IRB()->getInt32Ty(), i);
- }
+ Constant* Builder::C(uint16_t i) { return ConstantInt::get(mInt16Ty, i); }
+
+ Constant* Builder::C(uint32_t i) { return ConstantInt::get(IRB()->getInt32Ty(), i); }
+
+ Constant* Builder::C(uint64_t i) { return ConstantInt::get(IRB()->getInt64Ty(), i); }
- Constant *Builder::C(int64_t i)
+ Constant* Builder::C(float i) { return ConstantFP::get(IRB()->getFloatTy(), i); }
+
+ Constant* Builder::PRED(bool pred)
{
- return ConstantInt::get(IRB()->getInt64Ty(), i);
+ return ConstantInt::get(IRB()->getInt1Ty(), (pred ? 1 : 0));
}
- Constant *Builder::C(uint16_t i)
+ Value* Builder::VIMMED1(uint64_t i)
{
- return ConstantInt::get(mInt16Ty,i);
+#if LLVM_VERSION_MAJOR > 10
+ return ConstantVector::getSplat(ElementCount::get(mVWidth, false), cast<ConstantInt>(C(i)));
+#else
+ return ConstantVector::getSplat(mVWidth, cast<ConstantInt>(C(i)));
+#endif
}
- Constant *Builder::C(uint32_t i)
+ Value* Builder::VIMMED1_16(uint64_t i)
{
- return ConstantInt::get(IRB()->getInt32Ty(), i);
+#if LLVM_VERSION_MAJOR > 10
+ return ConstantVector::getSplat(ElementCount::get(mVWidth16, false), cast<ConstantInt>(C(i)));
+#else
+ return ConstantVector::getSplat(mVWidth16, cast<ConstantInt>(C(i)));
+#endif
}
- Constant *Builder::C(float i)
+ Value* Builder::VIMMED1(int i)
{
- return ConstantFP::get(IRB()->getFloatTy(), i);
+#if LLVM_VERSION_MAJOR > 10
+ return ConstantVector::getSplat(ElementCount::get(mVWidth, false), cast<ConstantInt>(C(i)));
+#else
+ return ConstantVector::getSplat(mVWidth, cast<ConstantInt>(C(i)));
+#endif
}
- Constant *Builder::PRED(bool pred)
+ Value* Builder::VIMMED1_16(int i)
{
- return ConstantInt::get(IRB()->getInt1Ty(), (pred ? 1 : 0));
+#if LLVM_VERSION_MAJOR > 10
+ return ConstantVector::getSplat(ElementCount::get(mVWidth16, false), cast<ConstantInt>(C(i)));
+#else
+ return ConstantVector::getSplat(mVWidth16, cast<ConstantInt>(C(i)));
+#endif
}
- Value *Builder::VIMMED1(int i)
+ Value* Builder::VIMMED1(uint32_t i)
{
+#if LLVM_VERSION_MAJOR > 10
+ return ConstantVector::getSplat(ElementCount::get(mVWidth, false), cast<ConstantInt>(C(i)));
+#else
return ConstantVector::getSplat(mVWidth, cast<ConstantInt>(C(i)));
+#endif
}
- Value *Builder::VIMMED1(uint32_t i)
+ Value* Builder::VIMMED1_16(uint32_t i)
{
- return ConstantVector::getSplat(mVWidth, cast<ConstantInt>(C(i)));
+#if LLVM_VERSION_MAJOR > 10
+ return ConstantVector::getSplat(ElementCount::get(mVWidth16, false), cast<ConstantInt>(C(i)));
+#else
+ return ConstantVector::getSplat(mVWidth16, cast<ConstantInt>(C(i)));
+#endif
}
- Value *Builder::VIMMED1(float i)
+ Value* Builder::VIMMED1(float i)
{
+#if LLVM_VERSION_MAJOR > 10
+ return ConstantVector::getSplat(ElementCount::get(mVWidth, false), cast<ConstantFP>(C(i)));
+#else
return ConstantVector::getSplat(mVWidth, cast<ConstantFP>(C(i)));
+#endif
}
- Value *Builder::VIMMED1(bool i)
+ Value* Builder::VIMMED1_16(float i)
{
- return ConstantVector::getSplat(mVWidth, cast<ConstantInt>(C(i)));
+#if LLVM_VERSION_MAJOR > 10
+ return ConstantVector::getSplat(ElementCount::get(mVWidth16, false), cast<ConstantFP>(C(i)));
+#else
+ return ConstantVector::getSplat(mVWidth16, cast<ConstantFP>(C(i)));
+#endif
}
- Value *Builder::VUNDEF_IPTR()
+ Value* Builder::VIMMED1(bool i)
{
- return UndefValue::get(VectorType::get(mInt32PtrTy,mVWidth));
+#if LLVM_VERSION_MAJOR > 10
+ return ConstantVector::getSplat(ElementCount::get(mVWidth, false), cast<ConstantInt>(C(i)));
+#else
+ return ConstantVector::getSplat(mVWidth, cast<ConstantInt>(C(i)));
+#endif
}
- Value *Builder::VUNDEF_I()
+ Value* Builder::VIMMED1_16(bool i)
{
- return UndefValue::get(VectorType::get(mInt32Ty, mVWidth));
+#if LLVM_VERSION_MAJOR > 10
+ return ConstantVector::getSplat(ElementCount::get(mVWidth16, false), cast<ConstantInt>(C(i)));
+#else
+ return ConstantVector::getSplat(mVWidth16, cast<ConstantInt>(C(i)));
+#endif
}
- Value *Builder::VUNDEF(Type *ty, uint32_t size)
- {
- return UndefValue::get(VectorType::get(ty, size));
- }
+ Value* Builder::VUNDEF_IPTR() { return UndefValue::get(getVectorType(mInt32PtrTy, mVWidth)); }
+
+ Value* Builder::VUNDEF(Type* t) { return UndefValue::get(getVectorType(t, mVWidth)); }
+
+ Value* Builder::VUNDEF_I() { return UndefValue::get(getVectorType(mInt32Ty, mVWidth)); }
+
+ Value* Builder::VUNDEF_I_16() { return UndefValue::get(getVectorType(mInt32Ty, mVWidth16)); }
+
+ Value* Builder::VUNDEF_F() { return UndefValue::get(getVectorType(mFP32Ty, mVWidth)); }
- Value *Builder::VUNDEF_F()
+ Value* Builder::VUNDEF_F_16() { return UndefValue::get(getVectorType(mFP32Ty, mVWidth16)); }
+
+ Value* Builder::VUNDEF(Type* ty, uint32_t size)
{
- return UndefValue::get(VectorType::get(mFP32Ty, mVWidth));
+ return UndefValue::get(getVectorType(ty, size));
}
- Value *Builder::VUNDEF(Type* t)
+ Value* Builder::VBROADCAST(Value* src, const llvm::Twine& name)
{
- return UndefValue::get(VectorType::get(t, mVWidth));
+ // check if src is already a vector
+ if (src->getType()->isVectorTy())
+ {
+ return src;
+ }
+
+ return VECTOR_SPLAT(mVWidth, src, name);
}
- Value *Builder::VBROADCAST(Value *src)
+ Value* Builder::VBROADCAST_16(Value* src)
{
// check if src is already a vector
if (src->getType()->isVectorTy())
return src;
}
- return VECTOR_SPLAT(mVWidth, src);
+ return VECTOR_SPLAT(mVWidth16, src);
}
uint32_t Builder::IMMED(Value* v)
{
SWR_ASSERT(isa<ConstantInt>(v));
- ConstantInt *pValConst = cast<ConstantInt>(v);
+ ConstantInt* pValConst = cast<ConstantInt>(v);
return pValConst->getZExtValue();
}
int32_t Builder::S_IMMED(Value* v)
{
SWR_ASSERT(isa<ConstantInt>(v));
- ConstantInt *pValConst = cast<ConstantInt>(v);
+ ConstantInt* pValConst = cast<ConstantInt>(v);
return pValConst->getSExtValue();
}
- Value *Builder::GEP(Value* ptr, const std::initializer_list<Value*> &indexList)
- {
- std::vector<Value*> indices;
- for (auto i : indexList)
- indices.push_back(i);
- return GEPA(ptr, indices);
- }
-
- Value *Builder::GEP(Value* ptr, const std::initializer_list<uint32_t> &indexList)
- {
- std::vector<Value*> indices;
- for (auto i : indexList)
- indices.push_back(C(i));
- return GEPA(ptr, indices);
- }
-
- LoadInst *Builder::LOAD(Value *basePtr, const std::initializer_list<uint32_t> &indices, const llvm::Twine& name)
- {
- std::vector<Value*> valIndices;
- for (auto i : indices)
- valIndices.push_back(C(i));
- return LOAD(GEPA(basePtr, valIndices), name);
- }
-
- LoadInst *Builder::LOADV(Value *basePtr, const std::initializer_list<Value*> &indices, const llvm::Twine& name)
- {
- std::vector<Value*> valIndices;
- for (auto i : indices)
- valIndices.push_back(i);
- return LOAD(GEPA(basePtr, valIndices), name);
- }
-
- StoreInst *Builder::STORE(Value *val, Value *basePtr, const std::initializer_list<uint32_t> &indices)
- {
- std::vector<Value*> valIndices;
- for (auto i : indices)
- valIndices.push_back(C(i));
- return STORE(val, GEPA(basePtr, valIndices));
- }
-
- StoreInst *Builder::STOREV(Value *val, Value *basePtr, const std::initializer_list<Value*> &indices)
- {
- std::vector<Value*> valIndices;
- for (auto i : indices)
- valIndices.push_back(i);
- return STORE(val, GEPA(basePtr, valIndices));
- }
-
- CallInst *Builder::CALL(Value *Callee, const std::initializer_list<Value*> &argsList)
+ CallInst* Builder::CALL(Value* Callee,
+ const std::initializer_list<Value*>& argsList,
+ const llvm::Twine& name)
{
std::vector<Value*> args;
for (auto arg : argsList)
args.push_back(arg);
- return CALLA(Callee, args);
+#if LLVM_VERSION_MAJOR >= 11
+ // see comment to CALLA(Callee) function in the header
+ return CALLA(FunctionCallee(cast<Function>(Callee)), args, name);
+#else
+ return CALLA(Callee, args, name);
+#endif
}
- CallInst *Builder::CALL(Value *Callee, Value* arg)
+ CallInst* Builder::CALL(Value* Callee, Value* arg)
{
std::vector<Value*> args;
args.push_back(arg);
+#if LLVM_VERSION_MAJOR >= 11
+ // see comment to CALLA(Callee) function in the header
+ return CALLA(FunctionCallee(cast<Function>(Callee)), args);
+#else
return CALLA(Callee, args);
+#endif
}
- CallInst *Builder::CALL2(Value *Callee, Value* arg1, Value* arg2)
+ CallInst* Builder::CALL2(Value* Callee, Value* arg1, Value* arg2)
{
std::vector<Value*> args;
args.push_back(arg1);
args.push_back(arg2);
+#if LLVM_VERSION_MAJOR >= 11
+ // see comment to CALLA(Callee) function in the header
+ return CALLA(FunctionCallee(cast<Function>(Callee)), args);
+#else
return CALLA(Callee, args);
+#endif
}
- CallInst *Builder::CALL3(Value *Callee, Value* arg1, Value* arg2, Value* arg3)
+ CallInst* Builder::CALL3(Value* Callee, Value* arg1, Value* arg2, Value* arg3)
{
std::vector<Value*> args;
args.push_back(arg1);
args.push_back(arg2);
args.push_back(arg3);
+#if LLVM_VERSION_MAJOR >= 11
+ // see comment to CALLA(Callee) function in the header
+ return CALLA(FunctionCallee(cast<Function>(Callee)), args);
+#else
return CALLA(Callee, args);
+#endif
}
- //////////////////////////////////////////////////////////////////////////
- Value *Builder::DEBUGTRAP()
+ Value* Builder::VRCP(Value* va, const llvm::Twine& name)
{
- Function *func = Intrinsic::getDeclaration(JM()->mpCurrentModule, Intrinsic::debugtrap);
- return CALL(func);
+ return FDIV(VIMMED1(1.0f), va, name); // 1 / a
}
- Value *Builder::VRCP(Value *va)
- {
- return FDIV(VIMMED1(1.0f), va); // 1 / a
- }
-
- Value *Builder::VPLANEPS(Value* vA, Value* vB, Value* vC, Value* &vX, Value* &vY)
+ Value* Builder::VPLANEPS(Value* vA, Value* vB, Value* vC, Value*& vX, Value*& vY)
{
Value* vOut = FMADDPS(vA, vX, vC);
- vOut = FMADDPS(vB, vY, vOut);
+ vOut = FMADDPS(vB, vY, vOut);
return vOut;
}
- //////////////////////////////////////////////////////////////////////////
- /// @brief Generate an i32 masked load operation in LLVM IR. If not
- /// supported on the underlying platform, emulate it with float masked load
- /// @param src - base address pointer for the load
- /// @param vMask - SIMD wide mask that controls whether to access memory load 0
- Value *Builder::MASKLOADD(Value* src,Value* mask)
- {
- Value* vResult;
- // use avx2 gather instruction is available
- if(JM()->mArch.AVX2())
- {
- Function *func = Intrinsic::getDeclaration(JM()->mpCurrentModule, Intrinsic::x86_avx2_maskload_d_256);
- vResult = CALL(func,{src,mask});
- }
- else
- {
- // maskload intrinsic expects integer mask operand in llvm >= 3.8
- #if (LLVM_VERSION_MAJOR > 3) || (LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR >= 8)
- mask = BITCAST(mask,VectorType::get(mInt32Ty,mVWidth));
- #else
- mask = BITCAST(mask,VectorType::get(mFP32Ty,mVWidth));
- #endif
- Function *func = Intrinsic::getDeclaration(JM()->mpCurrentModule,Intrinsic::x86_avx_maskload_ps_256);
- vResult = BITCAST(CALL(func,{src,mask}), VectorType::get(mInt32Ty,mVWidth));
- }
- return vResult;
- }
-
//////////////////////////////////////////////////////////////////////////
/// @brief insert a JIT call to CallPrint
/// - outputs formatted string to both stdout and VS output window
/// result from a GEP, printing out the pointer to memory
/// @param printStr - constant string to print, which includes format specifiers
/// @param printArgs - initializer list of Value*'s to print to std out
- CallInst *Builder::PRINT(const std::string &printStr,const std::initializer_list<Value*> &printArgs)
+ CallInst* Builder::PRINT(const std::string& printStr,
+ const std::initializer_list<Value*>& printArgs)
{
// push the arguments to CallPrint into a vector
std::vector<Value*> printCallArgs;
printCallArgs.resize(1);
// search through the format string for special processing
- size_t pos = 0;
+ size_t pos = 0;
std::string tempStr(printStr);
- pos = tempStr.find('%', pos);
+ pos = tempStr.find('%', pos);
auto v = printArgs.begin();
while ((pos != std::string::npos) && (v != printArgs.end()))
{
- Value* pArg = *v;
- Type* pType = pArg->getType();
+ Value* pArg = *v;
+ Type* pType = pArg->getType();
if (pType->isVectorTy())
{
Type* pContainedType = pType->getContainedType(0);
-
+#if LLVM_VERSION_MAJOR >= 11
+ VectorType* pVectorType = cast<VectorType>(pType);
+#endif
if (toupper(tempStr[pos + 1]) == 'X')
{
- tempStr[pos] = '0';
+ tempStr[pos] = '0';
tempStr[pos + 1] = 'x';
tempStr.insert(pos + 2, "%08X ");
pos += 7;
printCallArgs.push_back(VEXTRACT(pArg, C(0)));
std::string vectorFormatStr;
+#if LLVM_VERSION_MAJOR >= 11
+ for (uint32_t i = 1; i < pVectorType->getNumElements(); ++i)
+#else
for (uint32_t i = 1; i < pType->getVectorNumElements(); ++i)
+#endif
{
vectorFormatStr += "0x%08X ";
printCallArgs.push_back(VEXTRACT(pArg, C(i)));
else if ((tempStr[pos + 1] == 'f') && (pContainedType->isFloatTy()))
{
uint32_t i = 0;
- for (; i < (pArg->getType()->getVectorNumElements()) - 1; i++)
+#if LLVM_VERSION_MAJOR >= 11
+ for (; i < pVectorType->getNumElements() - 1; i++)
+#else
+ for (; i < pType->getVectorNumElements() - 1; i++)
+#endif
{
tempStr.insert(pos, std::string("%f "));
pos += 3;
- printCallArgs.push_back(FP_EXT(VEXTRACT(pArg, C(i)), Type::getDoubleTy(JM()->mContext)));
+ printCallArgs.push_back(
+ FP_EXT(VEXTRACT(pArg, C(i)), Type::getDoubleTy(JM()->mContext)));
}
- printCallArgs.push_back(FP_EXT(VEXTRACT(pArg, C(i)), Type::getDoubleTy(JM()->mContext)));
+ printCallArgs.push_back(
+ FP_EXT(VEXTRACT(pArg, C(i)), Type::getDoubleTy(JM()->mContext)));
}
else if ((tempStr[pos + 1] == 'd') && (pContainedType->isIntegerTy()))
{
uint32_t i = 0;
- for (; i < (pArg->getType()->getVectorNumElements()) - 1; i++)
+#if LLVM_VERSION_MAJOR >= 11
+ for (; i < pVectorType->getNumElements() - 1; i++)
+#else
+ for (; i < pType->getVectorNumElements() - 1; i++)
+#endif
{
tempStr.insert(pos, std::string("%d "));
pos += 3;
- printCallArgs.push_back(VEXTRACT(pArg, C(i)));
+ printCallArgs.push_back(
+ S_EXT(VEXTRACT(pArg, C(i)), Type::getInt32Ty(JM()->mContext)));
}
- printCallArgs.push_back(VEXTRACT(pArg, C(i)));
+ printCallArgs.push_back(
+ S_EXT(VEXTRACT(pArg, C(i)), Type::getInt32Ty(JM()->mContext)));
+ }
+ else if ((tempStr[pos + 1] == 'u') && (pContainedType->isIntegerTy()))
+ {
+ uint32_t i = 0;
+#if LLVM_VERSION_MAJOR >= 11
+ for (; i < pVectorType->getNumElements() - 1; i++)
+#else
+ for (; i < pType->getVectorNumElements() - 1; i++)
+#endif
+ {
+ tempStr.insert(pos, std::string("%d "));
+ pos += 3;
+ printCallArgs.push_back(
+ Z_EXT(VEXTRACT(pArg, C(i)), Type::getInt32Ty(JM()->mContext)));
+ }
+ printCallArgs.push_back(
+ Z_EXT(VEXTRACT(pArg, C(i)), Type::getInt32Ty(JM()->mContext)));
}
}
else
}
// create global variable constant string
- Constant *constString = ConstantDataArray::getString(JM()->mContext,tempStr,true);
- GlobalVariable *gvPtr = new GlobalVariable(constString->getType(),true,GlobalValue::InternalLinkage,constString,"printStr");
+ Constant* constString = ConstantDataArray::getString(JM()->mContext, tempStr, true);
+ GlobalVariable* gvPtr = new GlobalVariable(
+ constString->getType(), true, GlobalValue::InternalLinkage, constString, "printStr");
JM()->mpCurrentModule->getGlobalList().push_back(gvPtr);
// get a pointer to the first character in the constant string array
- std::vector<Constant*> geplist{C(0),C(0)};
- Constant *strGEP = ConstantExpr::getGetElementPtr(nullptr, gvPtr,geplist,false);
+ std::vector<Constant*> geplist{C(0), C(0)};
+ Constant* strGEP = ConstantExpr::getGetElementPtr(nullptr, gvPtr, geplist, false);
// insert the pointer to the format string in the argument vector
printCallArgs[0] = strGEP;
// get pointer to CallPrint function and insert decl into the module if needed
std::vector<Type*> args;
- args.push_back(PointerType::get(mInt8Ty,0));
- FunctionType* callPrintTy = FunctionType::get(Type::getVoidTy(JM()->mContext),args,true);
- Function *callPrintFn = cast<Function>(JM()->mpCurrentModule->getOrInsertFunction("CallPrint", callPrintTy));
+ args.push_back(PointerType::get(mInt8Ty, 0));
+ FunctionType* callPrintTy = FunctionType::get(Type::getVoidTy(JM()->mContext), args, true);
+ Function* callPrintFn =
+#if LLVM_VERSION_MAJOR >= 9
+ cast<Function>(JM()->mpCurrentModule->getOrInsertFunction("CallPrint", callPrintTy).getCallee());
+#else
+ cast<Function>(JM()->mpCurrentModule->getOrInsertFunction("CallPrint", callPrintTy));
+#endif
// if we haven't yet added the symbol to the symbol table
- if((sys::DynamicLibrary::SearchForAddressOfSymbol("CallPrint")) == nullptr)
+ if ((sys::DynamicLibrary::SearchForAddressOfSymbol("CallPrint")) == nullptr)
{
- sys::DynamicLibrary::AddSymbol("CallPrint", (void *)&CallPrint);
+ sys::DynamicLibrary::AddSymbol("CallPrint", (void*)&CallPrint);
}
// insert a call to CallPrint
- return CALLA(callPrintFn,printCallArgs);
+ return CALLA(callPrintFn, printCallArgs);
}
//////////////////////////////////////////////////////////////////////////
/// @brief Wrapper around PRINT with initializer list.
- CallInst* Builder::PRINT(const std::string &printStr)
- {
- return PRINT(printStr, {});
- }
-
- //////////////////////////////////////////////////////////////////////////
- /// @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 *Builder::GATHERPS(Value* vSrc, Value* pBase, Value* vIndices, Value* vMask, Value* scale)
- {
- Value* vGather;
-
- // use avx2 gather instruction if available
- if(JM()->mArch.AVX2())
- {
- // force mask to <N x float>, required by vgather
- vMask = BITCAST(vMask, mSimdFP32Ty);
- vGather = VGATHERPS(vSrc,pBase,vIndices,vMask,scale);
- }
- else
- {
- Value* pStack = STACKSAVE();
-
- // store vSrc on the stack. this way we can select between a valid load address and the vSrc address
- Value* vSrcPtr = ALLOCA(vSrc->getType());
- STORE(vSrc, vSrcPtr);
-
- vGather = VUNDEF_F();
- Value *vScaleVec = VBROADCAST(Z_EXT(scale,mInt32Ty));
- Value *vOffsets = MUL(vIndices,vScaleVec);
- Value *mask = MASK(vMask);
- for(uint32_t i = 0; i < mVWidth; ++i)
- {
- // single component byte index
- Value *offset = VEXTRACT(vOffsets,C(i));
- // byte pointer to component
- Value *loadAddress = GEP(pBase,offset);
- loadAddress = BITCAST(loadAddress,PointerType::get(mFP32Ty,0));
- // pointer to the value to load if we're masking off a component
- Value *maskLoadAddress = GEP(vSrcPtr,{C(0), C(i)});
- Value *selMask = VEXTRACT(mask,C(i));
- // switch in a safe address to load if we're trying to access a vertex
- Value *validAddress = SELECT(selMask, loadAddress, maskLoadAddress);
- Value *val = LOAD(validAddress);
- vGather = VINSERT(vGather,val,C(i));
- }
- STACKRESTORE(pStack);
- }
-
- return vGather;
- }
+ CallInst* Builder::PRINT(const std::string& printStr) { return PRINT(printStr, {}); }
- //////////////////////////////////////////////////////////////////////////
- /// @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 *Builder::GATHERDD(Value* vSrc, Value* pBase, Value* vIndices, Value* vMask, Value* scale)
+ Value* Builder::EXTRACT_16(Value* x, uint32_t imm)
{
- Value* vGather;
-
- // use avx2 gather instruction if available
- if(JM()->mArch.AVX2())
+ if (imm == 0)
{
- vGather = VGATHERDD(vSrc, pBase, vIndices, vMask, scale);
+ return VSHUFFLE(x, UndefValue::get(x->getType()), {0, 1, 2, 3, 4, 5, 6, 7});
}
else
{
- Value* pStack = STACKSAVE();
-
- // store vSrc on the stack. this way we can select between a valid load address and the vSrc address
- Value* vSrcPtr = ALLOCA(vSrc->getType());
- STORE(vSrc, vSrcPtr);
-
- vGather = VUNDEF_I();
- Value *vScaleVec = VBROADCAST(Z_EXT(scale, mInt32Ty));
- Value *vOffsets = MUL(vIndices, vScaleVec);
- Value *mask = MASK(vMask);
- for(uint32_t i = 0; i < mVWidth; ++i)
- {
- // single component byte index
- Value *offset = VEXTRACT(vOffsets, C(i));
- // byte pointer to component
- Value *loadAddress = GEP(pBase, offset);
- loadAddress = BITCAST(loadAddress, PointerType::get(mInt32Ty, 0));
- // pointer to the value to load if we're masking off a component
- Value *maskLoadAddress = GEP(vSrcPtr, {C(0), C(i)});
- Value *selMask = VEXTRACT(mask, C(i));
- // switch in a safe address to load if we're trying to access a vertex
- Value *validAddress = SELECT(selMask, loadAddress, maskLoadAddress);
- Value *val = LOAD(validAddress, C(0));
- vGather = VINSERT(vGather, val, C(i));
- }
-
- STACKRESTORE(pStack);
+ return VSHUFFLE(x, UndefValue::get(x->getType()), {8, 9, 10, 11, 12, 13, 14, 15});
}
- 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 *Builder::GATHERPD(Value* vSrc, Value* pBase, Value* vIndices, Value* vMask, Value* scale)
+ Value* Builder::JOIN_16(Value* a, Value* b)
{
- Value* vGather;
-
- // use avx2 gather instruction if available
- if(JM()->mArch.AVX2())
- {
- vGather = VGATHERPD(vSrc, pBase, vIndices, vMask, scale);
- }
- else
- {
- Value* pStack = STACKSAVE();
-
- // store vSrc on the stack. this way we can select between a valid load address and the vSrc address
- Value* vSrcPtr = ALLOCA(vSrc->getType());
- STORE(vSrc, vSrcPtr);
-
- vGather = UndefValue::get(VectorType::get(mDoubleTy, 4));
- Value *vScaleVec = VECTOR_SPLAT(4, Z_EXT(scale,mInt32Ty));
- Value *vOffsets = MUL(vIndices,vScaleVec);
- Value *mask = MASK(vMask);
- for(uint32_t i = 0; i < mVWidth/2; ++i)
- {
- // single component byte index
- Value *offset = VEXTRACT(vOffsets,C(i));
- // byte pointer to component
- Value *loadAddress = GEP(pBase,offset);
- loadAddress = BITCAST(loadAddress,PointerType::get(mDoubleTy,0));
- // pointer to the value to load if we're masking off a component
- Value *maskLoadAddress = GEP(vSrcPtr,{C(0), C(i)});
- Value *selMask = VEXTRACT(mask,C(i));
- // switch in a safe address to load if we're trying to access a vertex
- Value *validAddress = SELECT(selMask, loadAddress, maskLoadAddress);
- Value *val = LOAD(validAddress);
- vGather = VINSERT(vGather,val,C(i));
- }
- STACKRESTORE(pStack);
- }
- return vGather;
+ return VSHUFFLE(a, b, {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15});
}
//////////////////////////////////////////////////////////////////////////
return ICMP_SLT(src, VIMMED1(0));
}
+ Value* Builder::MASK_16(Value* vmask)
+ {
+ Value* src = BITCAST(vmask, mSimd16Int32Ty);
+ return ICMP_SLT(src, VIMMED1_16(0));
+ }
+
//////////////////////////////////////////////////////////////////////////
/// @brief convert llvm <N x i1> mask to x86 <N x i32> mask
- Value* Builder::VMASK(Value* mask)
- {
- return S_EXT(mask, mSimdInt32Ty);
+ Value* Builder::VMASK(Value* mask) { return S_EXT(mask, mSimdInt32Ty); }
+
+ Value* Builder::VMASK_16(Value* mask) { return S_EXT(mask, mSimd16Int32Ty); }
+
+ /// @brief Convert <Nxi1> llvm mask to integer
+ Value* Builder::VMOVMSK(Value* mask)
+ {
+#if LLVM_VERSION_MAJOR >= 11
+ VectorType* pVectorType = cast<VectorType>(mask->getType());
+ SWR_ASSERT(pVectorType->getElementType() == mInt1Ty);
+ uint32_t numLanes = pVectorType->getNumElements();
+#else
+ SWR_ASSERT(mask->getType()->getVectorElementType() == mInt1Ty);
+ uint32_t numLanes = mask->getType()->getVectorNumElements();
+#endif
+ Value* i32Result;
+ if (numLanes == 8)
+ {
+ i32Result = BITCAST(mask, mInt8Ty);
+ }
+ else if (numLanes == 16)
+ {
+ i32Result = BITCAST(mask, mInt16Ty);
+ }
+ else
+ {
+ SWR_ASSERT("Unsupported vector width");
+ i32Result = BITCAST(mask, mInt8Ty);
+ }
+ return Z_EXT(i32Result, mInt32Ty);
}
//////////////////////////////////////////////////////////////////////////
- /// @brief Generate a VPSHUFB operation in LLVM IR. If not
+ /// @brief Generate a VPSHUFB operation in LLVM IR. If not
/// supported on the underlying platform, emulate it
/// @param a - 256bit SIMD(32x8bit) of 8bit integer values
/// @param b - 256bit SIMD(32x8bit) of 8bit integer mask values
- /// Byte masks in lower 128 lane of b selects 8 bit values from lower
- /// 128bits of a, and vice versa for the upper lanes. If the mask
+ /// Byte masks in lower 128 lane of b selects 8 bit values from lower
+ /// 128bits of a, and vice versa for the upper lanes. If the mask
/// value is negative, '0' is inserted.
- Value *Builder::PSHUFB(Value* a, Value* b)
+ Value* Builder::PSHUFB(Value* a, Value* b)
{
Value* res;
// use avx2 pshufb instruction if available
- if(JM()->mArch.AVX2())
+ if (JM()->mArch.AVX2())
{
res = VPSHUFB(a, b);
}
else
{
Constant* cB = dyn_cast<Constant>(b);
+ assert(cB != nullptr);
// number of 8 bit elements in b
uint32_t numElms = cast<VectorType>(cB->getType())->getNumElements();
// output vector
- Value* vShuf = UndefValue::get(VectorType::get(mInt8Ty, numElms));
+ Value* vShuf = UndefValue::get(getVectorType(mInt8Ty, numElms));
// insert an 8 bit value from the high and low lanes of a per loop iteration
numElms /= 2;
- for(uint32_t i = 0; i < numElms; i++)
+ for (uint32_t i = 0; i < numElms; i++)
{
- ConstantInt* cLow128b = cast<ConstantInt>(cB->getAggregateElement(i));
+ ConstantInt* cLow128b = cast<ConstantInt>(cB->getAggregateElement(i));
ConstantInt* cHigh128b = cast<ConstantInt>(cB->getAggregateElement(i + numElms));
// extract values from constant mask
- char valLow128bLane = (char)(cLow128b->getSExtValue());
+ char valLow128bLane = (char)(cLow128b->getSExtValue());
char valHigh128bLane = (char)(cHigh128b->getSExtValue());
Value* insertValLow128b;
Value* insertValHigh128b;
// if the mask value is negative, insert a '0' in the respective output position
- // otherwise, lookup the value at mask position (bits 3..0 of the respective mask byte) in a and insert in output vector
- insertValLow128b = (valLow128bLane < 0) ? C((char)0) : VEXTRACT(a, C((valLow128bLane & 0xF)));
- insertValHigh128b = (valHigh128bLane < 0) ? C((char)0) : VEXTRACT(a, C((valHigh128bLane & 0xF) + numElms));
+ // otherwise, lookup the value at mask position (bits 3..0 of the respective mask
+ // byte) in a and insert in output vector
+ insertValLow128b =
+ (valLow128bLane < 0) ? C((char)0) : VEXTRACT(a, C((valLow128bLane & 0xF)));
+ insertValHigh128b = (valHigh128bLane < 0)
+ ? C((char)0)
+ : VEXTRACT(a, C((valHigh128bLane & 0xF) + numElms));
vShuf = VINSERT(vShuf, insertValLow128b, i);
vShuf = VINSERT(vShuf, insertValHigh128b, (i + numElms));
}
//////////////////////////////////////////////////////////////////////////
- /// @brief Generate a VPSHUFB operation (sign extend 8 8bit values to 32
+ /// @brief Generate a VPSHUFB operation (sign extend 8 8bit values to 32
/// bits)in LLVM IR. If not supported on the underlying platform, emulate it
- /// @param a - 128bit SIMD lane(16x8bit) of 8bit integer values. Only
+ /// @param a - 128bit SIMD lane(16x8bit) of 8bit integer values. Only
/// lower 8 values are used.
- Value *Builder::PMOVSXBD(Value* a)
+ Value* Builder::PMOVSXBD(Value* a)
{
- // llvm-3.9 removed the pmovsxbd intrinsic
- #if HAVE_LLVM < 0x309
- // use avx2 byte sign extend instruction if available
- if(JM()->mArch.AVX2())
- {
- Function *pmovsxbd = Intrinsic::getDeclaration(JM()->mpCurrentModule, Intrinsic::x86_avx2_pmovsxbd);
- return CALL(pmovsxbd, std::initializer_list<Value*>{a});
- }
- else
- #endif
- {
- // VPMOVSXBD output type
- Type* v8x32Ty = VectorType::get(mInt32Ty, 8);
- // Extract 8 values from 128bit lane and sign extend
- return S_EXT(VSHUFFLE(a, a, C<int>({0, 1, 2, 3, 4, 5, 6, 7})), v8x32Ty);
- }
+ // VPMOVSXBD output type
+ Type* v8x32Ty = getVectorType(mInt32Ty, 8);
+ // Extract 8 values from 128bit lane and sign extend
+ return S_EXT(VSHUFFLE(a, a, C<int>({0, 1, 2, 3, 4, 5, 6, 7})), v8x32Ty);
}
//////////////////////////////////////////////////////////////////////////
- /// @brief Generate a VPSHUFB operation (sign extend 8 16bit values to 32
+ /// @brief Generate a VPSHUFB operation (sign extend 8 16bit values to 32
/// bits)in LLVM IR. If not supported on the underlying platform, emulate it
/// @param a - 128bit SIMD lane(8x16bit) of 16bit integer values.
- Value *Builder::PMOVSXWD(Value* a)
+ Value* Builder::PMOVSXWD(Value* a)
{
- // llvm-3.9 removed the pmovsxwd intrinsic
- #if HAVE_LLVM < 0x309
- // use avx2 word sign extend if available
- if(JM()->mArch.AVX2())
- {
- Function *pmovsxwd = Intrinsic::getDeclaration(JM()->mpCurrentModule, Intrinsic::x86_avx2_pmovsxwd);
- return CALL(pmovsxwd, std::initializer_list<Value*>{a});
- }
- else
- #endif
- {
- // VPMOVSXWD output type
- Type* v8x32Ty = VectorType::get(mInt32Ty, 8);
- // Extract 8 values from 128bit lane and sign extend
- return S_EXT(VSHUFFLE(a, a, C<int>({0, 1, 2, 3, 4, 5, 6, 7})), v8x32Ty);
- }
- }
-
- //////////////////////////////////////////////////////////////////////////
- /// @brief Generate a VPERMD operation (shuffle 32 bit integer values
- /// across 128 bit lanes) in LLVM IR. If not supported on the underlying
- /// platform, emulate it
- /// @param a - 256bit SIMD lane(8x32bit) of integer values.
- /// @param idx - 256bit SIMD lane(8x32bit) of 3 bit lane index values
- Value *Builder::PERMD(Value* a, Value* idx)
- {
- Value* res;
- // use avx2 permute instruction if available
- if(JM()->mArch.AVX2())
- {
- res = VPERMD(a, idx);
- }
- else
- {
- if (isa<Constant>(idx))
- {
- res = VSHUFFLE(a, a, idx);
- }
- else
- {
- res = VUNDEF_I();
- for (uint32_t l = 0; l < JM()->mVWidth; ++l)
- {
- Value* pIndex = VEXTRACT(idx, C(l));
- Value* pVal = VEXTRACT(a, pIndex);
- res = VINSERT(res, pVal, C(l));
- }
- }
- }
- return res;
- }
-
- //////////////////////////////////////////////////////////////////////////
- /// @brief Generate a VPERMPS operation (shuffle 32 bit float values
- /// across 128 bit lanes) in LLVM IR. If not supported on the underlying
- /// platform, emulate it
- /// @param a - 256bit SIMD lane(8x32bit) of float values.
- /// @param idx - 256bit SIMD lane(8x32bit) of 3 bit lane index values
- Value *Builder::PERMPS(Value* a, Value* idx)
- {
- Value* res;
- // use avx2 permute instruction if available
- if (JM()->mArch.AVX2())
- {
- // llvm 3.6.0 swapped the order of the args to vpermd
- res = VPERMPS(idx, a);
- }
- else
- {
- if (isa<Constant>(idx))
- {
- res = VSHUFFLE(a, a, idx);
- }
- else
- {
- res = VUNDEF_F();
- for (uint32_t l = 0; l < JM()->mVWidth; ++l)
- {
- Value* pIndex = VEXTRACT(idx, C(l));
- Value* pVal = VEXTRACT(a, pIndex);
- res = VINSERT(res, pVal, C(l));
- }
- }
- }
-
- return res;
+ // VPMOVSXWD output type
+ Type* v8x32Ty = getVectorType(mInt32Ty, 8);
+ // Extract 8 values from 128bit lane and sign extend
+ return S_EXT(VSHUFFLE(a, a, C<int>({0, 1, 2, 3, 4, 5, 6, 7})), v8x32Ty);
}
//////////////////////////////////////////////////////////////////////////
/// @brief Generate a VCVTPH2PS operation (float16->float32 conversion)
/// in LLVM IR. If not supported on the underlying platform, emulate it
/// @param a - 128bit SIMD lane(8x16bit) of float16 in int16 format.
- Value *Builder::CVTPH2PS(Value* a)
+ Value* Builder::CVTPH2PS(Value* a, const llvm::Twine& name)
{
- if (JM()->mArch.F16C())
- {
- return VCVTPH2PS(a);
- }
- else
- {
- FunctionType* pFuncTy = FunctionType::get(mFP32Ty, mInt16Ty);
- Function* pCvtPh2Ps = cast<Function>(JM()->mpCurrentModule->getOrInsertFunction("ConvertSmallFloatTo32", pFuncTy));
+ // Bitcast Nxint16 to Nxhalf
+#if LLVM_VERSION_MAJOR >= 11
+ uint32_t numElems = cast<VectorType>(a->getType())->getNumElements();
+#else
+ uint32_t numElems = a->getType()->getVectorNumElements();
+#endif
+ Value* input = BITCAST(a, getVectorType(mFP16Ty, numElems));
- if (sys::DynamicLibrary::SearchForAddressOfSymbol("ConvertSmallFloatTo32") == nullptr)
- {
- sys::DynamicLibrary::AddSymbol("ConvertSmallFloatTo32", (void *)&ConvertSmallFloatTo32);
- }
-
- Value* pResult = UndefValue::get(mSimdFP32Ty);
- for (uint32_t i = 0; i < mVWidth; ++i)
- {
- Value* pSrc = VEXTRACT(a, C(i));
- Value* pConv = CALL(pCvtPh2Ps, std::initializer_list<Value*>{pSrc});
- pResult = VINSERT(pResult, pConv, C(i));
- }
-
- return pResult;
- }
+ return FP_EXT(input, getVectorType(mFP32Ty, numElems), name);
}
//////////////////////////////////////////////////////////////////////////
/// @brief Generate a VCVTPS2PH operation (float32->float16 conversion)
/// in LLVM IR. If not supported on the underlying platform, emulate it
/// @param a - 128bit SIMD lane(8x16bit) of float16 in int16 format.
- Value *Builder::CVTPS2PH(Value* a, Value* rounding)
+ Value* Builder::CVTPS2PH(Value* a, Value* rounding)
{
if (JM()->mArch.F16C())
{
else
{
// call scalar C function for now
- FunctionType* pFuncTy = FunctionType::get(mInt16Ty, mFP32Ty);
- Function* pCvtPs2Ph = cast<Function>(JM()->mpCurrentModule->getOrInsertFunction("Convert32To16Float", pFuncTy));
-
- if (sys::DynamicLibrary::SearchForAddressOfSymbol("Convert32To16Float") == nullptr)
+ FunctionType* pFuncTy = FunctionType::get(mInt16Ty, mFP32Ty);
+ Function* pCvtPs2Ph = cast<Function>(
+#if LLVM_VERSION_MAJOR >= 9
+ JM()->mpCurrentModule->getOrInsertFunction("ConvertFloat32ToFloat16", pFuncTy).getCallee());
+#else
+ JM()->mpCurrentModule->getOrInsertFunction("ConvertFloat32ToFloat16", pFuncTy));
+#endif
+
+ if (sys::DynamicLibrary::SearchForAddressOfSymbol("ConvertFloat32ToFloat16") == nullptr)
{
- sys::DynamicLibrary::AddSymbol("Convert32To16Float", (void *)&Convert32To16Float);
+ sys::DynamicLibrary::AddSymbol("ConvertFloat32ToFloat16",
+ (void*)&ConvertFloat32ToFloat16);
}
Value* pResult = UndefValue::get(mSimdInt16Ty);
for (uint32_t i = 0; i < mVWidth; ++i)
{
- Value* pSrc = VEXTRACT(a, C(i));
+ Value* pSrc = VEXTRACT(a, C(i));
Value* pConv = CALL(pCvtPs2Ph, std::initializer_list<Value*>{pSrc});
- pResult = VINSERT(pResult, pConv, C(i));
+ pResult = VINSERT(pResult, pConv, C(i));
}
return pResult;
}
}
- Value *Builder::PMAXSD(Value* a, Value* b)
+ Value* Builder::PMAXSD(Value* a, Value* b)
{
- // llvm-3.9 removed the pmax intrinsics
- #if HAVE_LLVM >= 0x309
Value* cmp = ICMP_SGT(a, b);
return SELECT(cmp, a, b);
- #else
- if (JM()->mArch.AVX2())
- {
- Function* pmaxsd = Intrinsic::getDeclaration(JM()->mpCurrentModule, Intrinsic::x86_avx2_pmaxs_d);
- return CALL(pmaxsd, {a, b});
- }
- else
- {
- // use 4-wide sse max intrinsic on lower/upper halves of 8-wide sources
- Function* pmaxsd = Intrinsic::getDeclaration(JM()->mpCurrentModule, Intrinsic::x86_sse41_pmaxsd);
-
- // low 128
- Value* aLo = VEXTRACTI128(a, C((uint8_t)0));
- Value* bLo = VEXTRACTI128(b, C((uint8_t)0));
- Value* resLo = CALL(pmaxsd, {aLo, bLo});
-
- // high 128
- Value* aHi = VEXTRACTI128(a, C((uint8_t)1));
- Value* bHi = VEXTRACTI128(b, C((uint8_t)1));
- Value* resHi = CALL(pmaxsd, {aHi, bHi});
-
- // combine
- Value* result = VINSERTI128(VUNDEF_I(), resLo, C((uint8_t)0));
- result = VINSERTI128(result, resHi, C((uint8_t)1));
-
- return result;
- }
- #endif
}
- Value *Builder::PMINSD(Value* a, Value* b)
+ Value* Builder::PMINSD(Value* a, Value* b)
{
- // llvm-3.9 removed the pmin intrinsics
- #if HAVE_LLVM >= 0x309
Value* cmp = ICMP_SLT(a, b);
return SELECT(cmp, a, b);
- #else
- if (JM()->mArch.AVX2())
- {
- Function* pminsd = Intrinsic::getDeclaration(JM()->mpCurrentModule, Intrinsic::x86_avx2_pmins_d);
- return CALL(pminsd, {a, b});
- }
- else
- {
- // use 4-wide sse max intrinsic on lower/upper halves of 8-wide sources
- Function* pminsd = Intrinsic::getDeclaration(JM()->mpCurrentModule, Intrinsic::x86_sse41_pminsd);
-
- // low 128
- Value* aLo = VEXTRACTI128(a, C((uint8_t)0));
- Value* bLo = VEXTRACTI128(b, C((uint8_t)0));
- Value* resLo = CALL(pminsd, {aLo, bLo});
-
- // high 128
- Value* aHi = VEXTRACTI128(a, C((uint8_t)1));
- Value* bHi = VEXTRACTI128(b, C((uint8_t)1));
- Value* resHi = CALL(pminsd, {aHi, bHi});
-
- // combine
- Value* result = VINSERTI128(VUNDEF_I(), resLo, C((uint8_t)0));
- result = VINSERTI128(result, resHi, C((uint8_t)1));
-
- return result;
- }
- #endif
}
- void Builder::Gather4(const SWR_FORMAT format, Value* pSrcBase, Value* byteOffsets,
- Value* mask, Value* vGatherComponents[], bool bPackedOutput)
+ Value* Builder::PMAXUD(Value* a, Value* b)
{
- const SWR_FORMAT_INFO &info = GetFormatInfo(format);
- if(info.type[0] == SWR_TYPE_FLOAT && info.bpc[0] == 32)
- {
- // ensure our mask is the correct type
- mask = BITCAST(mask, mSimdFP32Ty);
- GATHER4PS(info, pSrcBase, byteOffsets, mask, vGatherComponents, bPackedOutput);
- }
- else
- {
- // ensure our mask is the correct type
- mask = BITCAST(mask, mSimdInt32Ty);
- GATHER4DD(info, pSrcBase, byteOffsets, mask, vGatherComponents, bPackedOutput);
- }
+ Value* cmp = ICMP_UGT(a, b);
+ return SELECT(cmp, a, b);
}
- void Builder::GATHER4PS(const SWR_FORMAT_INFO &info, Value* pSrcBase, Value* byteOffsets,
- Value* mask, Value* vGatherComponents[], bool bPackedOutput)
+ Value* Builder::PMINUD(Value* a, Value* b)
{
- switch(info.bpp / info.numComps)
- {
- case 16:
- {
- Value* vGatherResult[2];
- Value *vMask;
-
- // TODO: vGatherMaskedVal
- Value* vGatherMaskedVal = VIMMED1((float)0);
-
- // always have at least one component out of x or y to fetch
-
- // save mask as it is zero'd out after each gather
- vMask = mask;
-
- vGatherResult[0] = GATHERPS(vGatherMaskedVal, pSrcBase, byteOffsets, vMask, C((char)1));
- // e.g. result of first 8x32bit integer gather for 16bit components
- // 256i - 0 1 2 3 4 5 6 7
- // xyxy xyxy xyxy xyxy xyxy xyxy xyxy xyxy
- //
-
- // if we have at least one component out of x or y to fetch
- if(info.numComps > 2)
- {
- // offset base to the next components(zw) in the vertex to gather
- pSrcBase = GEP(pSrcBase, C((char)4));
- vMask = mask;
-
- vGatherResult[1] = GATHERPS(vGatherMaskedVal, pSrcBase, byteOffsets, vMask, C((char)1));
- // e.g. result of second 8x32bit integer gather for 16bit components
- // 256i - 0 1 2 3 4 5 6 7
- // zwzw zwzw zwzw zwzw zwzw zwzw zwzw zwzw
- //
- }
- else
- {
- vGatherResult[1] = vGatherMaskedVal;
- }
-
- // Shuffle gathered components into place, each row is a component
- Shuffle16bpcGather4(info, vGatherResult, vGatherComponents, bPackedOutput);
- }
- break;
- case 32:
- {
- // apply defaults
- for (uint32_t i = 0; i < 4; ++i)
- {
- vGatherComponents[i] = VIMMED1(*(float*)&info.defaults[i]);
- }
-
- for(uint32_t i = 0; i < info.numComps; i++)
- {
- uint32_t swizzleIndex = info.swizzle[i];
-
- // save mask as it is zero'd out after each gather
- Value *vMask = mask;
-
- // Gather a SIMD of components
- vGatherComponents[swizzleIndex] = GATHERPS(vGatherComponents[swizzleIndex], pSrcBase, byteOffsets, vMask, C((char)1));
-
- // offset base to the next component to gather
- pSrcBase = GEP(pSrcBase, C((char)4));
- }
- }
- break;
- default:
- SWR_INVALID("Invalid float format");
- break;
- }
+ Value* cmp = ICMP_ULT(a, b);
+ return SELECT(cmp, a, b);
}
- void Builder::GATHER4DD(const SWR_FORMAT_INFO &info, Value* pSrcBase, Value* byteOffsets,
- Value* mask, Value* vGatherComponents[], bool bPackedOutput)
+ // Helper function to create alloca in entry block of function
+ Value* Builder::CreateEntryAlloca(Function* pFunc, Type* pType)
{
- switch (info.bpp / info.numComps)
- {
- case 8:
- {
- Value* vGatherMaskedVal = VIMMED1((int32_t)0);
- Value* vGatherResult = GATHERDD(vGatherMaskedVal, pSrcBase, byteOffsets, mask, C((char)1));
- // e.g. result of an 8x32bit integer gather for 8bit components
- // 256i - 0 1 2 3 4 5 6 7
- // xyzw xyzw xyzw xyzw xyzw xyzw xyzw xyzw
-
- Shuffle8bpcGather4(info, vGatherResult, vGatherComponents, bPackedOutput);
- }
- break;
- case 16:
- {
- Value* vGatherResult[2];
- Value *vMask;
-
- // TODO: vGatherMaskedVal
- Value* vGatherMaskedVal = VIMMED1((int32_t)0);
-
- // always have at least one component out of x or y to fetch
-
- // save mask as it is zero'd out after each gather
- vMask = mask;
-
- vGatherResult[0] = GATHERDD(vGatherMaskedVal, pSrcBase, byteOffsets, vMask, C((char)1));
- // e.g. result of first 8x32bit integer gather for 16bit components
- // 256i - 0 1 2 3 4 5 6 7
- // xyxy xyxy xyxy xyxy xyxy xyxy xyxy xyxy
- //
-
- // if we have at least one component out of x or y to fetch
- if(info.numComps > 2)
- {
- // offset base to the next components(zw) in the vertex to gather
- pSrcBase = GEP(pSrcBase, C((char)4));
- vMask = mask;
-
- vGatherResult[1] = GATHERDD(vGatherMaskedVal, pSrcBase, byteOffsets, vMask, C((char)1));
- // e.g. result of second 8x32bit integer gather for 16bit components
- // 256i - 0 1 2 3 4 5 6 7
- // zwzw zwzw zwzw zwzw zwzw zwzw zwzw zwzw
- //
- }
- else
- {
- vGatherResult[1] = vGatherMaskedVal;
- }
-
- // Shuffle gathered components into place, each row is a component
- Shuffle16bpcGather4(info, vGatherResult, vGatherComponents, bPackedOutput);
-
- }
- break;
- case 32:
- {
- // apply defaults
- for (uint32_t i = 0; i < 4; ++i)
- {
- vGatherComponents[i] = VIMMED1((int)info.defaults[i]);
- }
-
- for(uint32_t i = 0; i < info.numComps; i++)
- {
- uint32_t swizzleIndex = info.swizzle[i];
-
- // save mask as it is zero'd out after each gather
- Value *vMask = mask;
-
- // Gather a SIMD of components
- vGatherComponents[swizzleIndex] = GATHERDD(vGatherComponents[swizzleIndex], pSrcBase, byteOffsets, vMask, C((char)1));
-
- // offset base to the next component to gather
- pSrcBase = GEP(pSrcBase, C((char)4));
- }
- }
- break;
- default:
- SWR_INVALID("unsupported format");
- break;
- }
+ auto saveIP = IRB()->saveIP();
+ IRB()->SetInsertPoint(&pFunc->getEntryBlock(), pFunc->getEntryBlock().begin());
+ Value* pAlloca = ALLOCA(pType);
+ if (saveIP.isSet())
+ IRB()->restoreIP(saveIP);
+ return pAlloca;
}
- void Builder::Shuffle16bpcGather4(const SWR_FORMAT_INFO &info, Value* vGatherInput[2], Value* vGatherOutput[4], bool bPackedOutput)
+ Value* Builder::CreateEntryAlloca(Function* pFunc, Type* pType, Value* pArraySize)
{
- // cast types
- Type* vGatherTy = VectorType::get(IntegerType::getInt32Ty(JM()->mContext), mVWidth);
- Type* v32x8Ty = VectorType::get(mInt8Ty, mVWidth * 4); // vwidth is units of 32 bits
-
- // input could either be float or int vector; do shuffle work in int
- vGatherInput[0] = BITCAST(vGatherInput[0], mSimdInt32Ty);
- vGatherInput[1] = BITCAST(vGatherInput[1], mSimdInt32Ty);
-
- if(bPackedOutput)
- {
- Type* v128bitTy = VectorType::get(IntegerType::getIntNTy(JM()->mContext, 128), mVWidth / 4); // vwidth is units of 32 bits
-
- // shuffle mask
- Value* vConstMask = C<char>({0, 1, 4, 5, 8, 9, 12, 13, 2, 3, 6, 7, 10, 11, 14, 15,
- 0, 1, 4, 5, 8, 9, 12, 13, 2, 3, 6, 7, 10, 11, 14, 15});
- Value* vShufResult = BITCAST(PSHUFB(BITCAST(vGatherInput[0], v32x8Ty), vConstMask), vGatherTy);
- // after pshufb: group components together in each 128bit lane
- // 256i - 0 1 2 3 4 5 6 7
- // xxxx xxxx yyyy yyyy xxxx xxxx yyyy yyyy
-
- Value* vi128XY = BITCAST(PERMD(vShufResult, C<int32_t>({0, 1, 4, 5, 2, 3, 6, 7})), v128bitTy);
- // after PERMD: move and pack xy components into each 128bit lane
- // 256i - 0 1 2 3 4 5 6 7
- // xxxx xxxx xxxx xxxx yyyy yyyy yyyy yyyy
-
- // do the same for zw components
- Value* vi128ZW = nullptr;
- if(info.numComps > 2)
- {
- Value* vShufResult = BITCAST(PSHUFB(BITCAST(vGatherInput[1], v32x8Ty), vConstMask), vGatherTy);
- vi128ZW = BITCAST(PERMD(vShufResult, C<int32_t>({0, 1, 4, 5, 2, 3, 6, 7})), v128bitTy);
- }
-
- for(uint32_t i = 0; i < 4; i++)
- {
- uint32_t swizzleIndex = info.swizzle[i];
- // todo: fixed for packed
- Value* vGatherMaskedVal = VIMMED1((int32_t)(info.defaults[i]));
- if(i >= info.numComps)
- {
- // set the default component val
- vGatherOutput[swizzleIndex] = vGatherMaskedVal;
- continue;
- }
-
- // if x or z, extract 128bits from lane 0, else for y or w, extract from lane 1
- uint32_t lane = ((i == 0) || (i == 2)) ? 0 : 1;
- // if x or y, use vi128XY permute result, else use vi128ZW
- Value* selectedPermute = (i < 2) ? vi128XY : vi128ZW;
-
- // extract packed component 128 bit lanes
- vGatherOutput[swizzleIndex] = VEXTRACT(selectedPermute, C(lane));
- }
-
- }
- else
- {
- // pshufb masks for each component
- Value* vConstMask[2];
- // x/z shuffle mask
- vConstMask[0] = C<char>({0, 1, -1, -1, 4, 5, -1, -1, 8, 9, -1, -1, 12, 13, -1, -1,
- 0, 1, -1, -1, 4, 5, -1, -1, 8, 9, -1, -1, 12, 13, -1, -1, });
-
- // y/w shuffle mask
- vConstMask[1] = C<char>({2, 3, -1, -1, 6, 7, -1, -1, 10, 11, -1, -1, 14, 15, -1, -1,
- 2, 3, -1, -1, 6, 7, -1, -1, 10, 11, -1, -1, 14, 15, -1, -1});
-
+ auto saveIP = IRB()->saveIP();
+ IRB()->SetInsertPoint(&pFunc->getEntryBlock(), pFunc->getEntryBlock().begin());
+ Value* pAlloca = ALLOCA(pType, pArraySize);
+ if (saveIP.isSet())
+ IRB()->restoreIP(saveIP);
+ return pAlloca;
+ }
- // shuffle enabled components into lower word of each 32bit lane, 0 extending to 32 bits
- // apply defaults
- for (uint32_t i = 0; i < 4; ++i)
- {
- vGatherOutput[i] = VIMMED1((int32_t)info.defaults[i]);
- }
+ Value* Builder::VABSPS(Value* a)
+ {
+ Value* asInt = BITCAST(a, mSimdInt32Ty);
+ Value* result = BITCAST(AND(asInt, VIMMED1(0x7fffffff)), mSimdFP32Ty);
+ return result;
+ }
- for(uint32_t i = 0; i < info.numComps; i++)
- {
- uint32_t swizzleIndex = info.swizzle[i];
+ Value* Builder::ICLAMP(Value* src, Value* low, Value* high, const llvm::Twine& name)
+ {
+ Value* lowCmp = ICMP_SLT(src, low);
+ Value* ret = SELECT(lowCmp, low, src);
- // select correct constMask for x/z or y/w pshufb
- uint32_t selectedMask = ((i == 0) || (i == 2)) ? 0 : 1;
- // if x or y, use vi128XY permute result, else use vi128ZW
- uint32_t selectedGather = (i < 2) ? 0 : 1;
+ Value* highCmp = ICMP_SGT(ret, high);
+ ret = SELECT(highCmp, high, ret, name);
- vGatherOutput[swizzleIndex] = BITCAST(PSHUFB(BITCAST(vGatherInput[selectedGather], v32x8Ty), vConstMask[selectedMask]), vGatherTy);
- // after pshufb mask for x channel; z uses the same shuffle from the second gather
- // 256i - 0 1 2 3 4 5 6 7
- // xx00 xx00 xx00 xx00 xx00 xx00 xx00 xx00
- }
- }
+ return ret;
}
- void Builder::Shuffle8bpcGather4(const SWR_FORMAT_INFO &info, Value* vGatherInput, Value* vGatherOutput[], bool bPackedOutput)
+ Value* Builder::FCLAMP(Value* src, Value* low, Value* high)
{
- // cast types
- Type* vGatherTy = VectorType::get(IntegerType::getInt32Ty(JM()->mContext), mVWidth);
- Type* v32x8Ty = VectorType::get(mInt8Ty, mVWidth * 4 ); // vwidth is units of 32 bits
+ Value* lowCmp = FCMP_OLT(src, low);
+ Value* ret = SELECT(lowCmp, low, src);
- if(bPackedOutput)
- {
- Type* v128Ty = VectorType::get(IntegerType::getIntNTy(JM()->mContext, 128), mVWidth / 4); // vwidth is units of 32 bits
- // shuffle mask
- Value* vConstMask = C<char>({0, 4, 8, 12, 1, 5, 9, 13, 2, 6, 10, 14, 3, 7, 11, 15,
- 0, 4, 8, 12, 1, 5, 9, 13, 2, 6, 10, 14, 3, 7, 11, 15});
- Value* vShufResult = BITCAST(PSHUFB(BITCAST(vGatherInput, v32x8Ty), vConstMask), vGatherTy);
- // after pshufb: group components together in each 128bit lane
- // 256i - 0 1 2 3 4 5 6 7
- // xxxx yyyy zzzz wwww xxxx yyyy zzzz wwww
-
- Value* vi128XY = BITCAST(PERMD(vShufResult, C<int32_t>({0, 4, 0, 0, 1, 5, 0, 0})), v128Ty);
- // after PERMD: move and pack xy and zw components in low 64 bits of each 128bit lane
- // 256i - 0 1 2 3 4 5 6 7
- // xxxx xxxx dcdc dcdc yyyy yyyy dcdc dcdc (dc - don't care)
-
- // do the same for zw components
- Value* vi128ZW = nullptr;
- if(info.numComps > 2)
- {
- vi128ZW = BITCAST(PERMD(vShufResult, C<int32_t>({2, 6, 0, 0, 3, 7, 0, 0})), v128Ty);
- }
+ Value* highCmp = FCMP_OGT(ret, high);
+ ret = SELECT(highCmp, high, ret);
- // sign extend all enabled components. If we have a fill vVertexElements, output to current simdvertex
- for(uint32_t i = 0; i < 4; i++)
- {
- uint32_t swizzleIndex = info.swizzle[i];
- // todo: fix for packed
- Value* vGatherMaskedVal = VIMMED1((int32_t)(info.defaults[i]));
- if(i >= info.numComps)
- {
- // set the default component val
- vGatherOutput[swizzleIndex] = vGatherMaskedVal;
- continue;
- }
-
- // if x or z, extract 128bits from lane 0, else for y or w, extract from lane 1
- uint32_t lane = ((i == 0) || (i == 2)) ? 0 : 1;
- // if x or y, use vi128XY permute result, else use vi128ZW
- Value* selectedPermute = (i < 2) ? vi128XY : vi128ZW;
-
- // sign extend
- vGatherOutput[swizzleIndex] = VEXTRACT(selectedPermute, C(lane));
- }
- }
- // else zero extend
- else{
- // shuffle enabled components into lower byte of each 32bit lane, 0 extending to 32 bits
- // apply defaults
- for (uint32_t i = 0; i < 4; ++i)
- {
- vGatherOutput[i] = VIMMED1((int32_t)info.defaults[i]);
- }
-
- for(uint32_t i = 0; i < info.numComps; i++){
- uint32_t swizzleIndex = info.swizzle[i];
+ return ret;
+ }
- // pshufb masks for each component
- Value* vConstMask;
- switch(i)
- {
- case 0:
- // x shuffle mask
- vConstMask = C<char>({0, -1, -1, -1, 4, -1, -1, -1, 8, -1, -1, -1, 12, -1, -1, -1,
- 0, -1, -1, -1, 4, -1, -1, -1, 8, -1, -1, -1, 12, -1, -1, -1});
- break;
- case 1:
- // y shuffle mask
- vConstMask = C<char>({1, -1, -1, -1, 5, -1, -1, -1, 9, -1, -1, -1, 13, -1, -1, -1,
- 1, -1, -1, -1, 5, -1, -1, -1, 9, -1, -1, -1, 13, -1, -1, -1});
- break;
- case 2:
- // z shuffle mask
- vConstMask = C<char>({2, -1, -1, -1, 6, -1, -1, -1, 10, -1, -1, -1, 14, -1, -1, -1,
- 2, -1, -1, -1, 6, -1, -1, -1, 10, -1, -1, -1, 14, -1, -1, -1});
- break;
- case 3:
- // w shuffle mask
- vConstMask = C<char>({3, -1, -1, -1, 7, -1, -1, -1, 11, -1, -1, -1, 15, -1, -1, -1,
- 3, -1, -1, -1, 7, -1, -1, -1, 11, -1, -1, -1, 15, -1, -1, -1});
- break;
- default:
- vConstMask = nullptr;
- break;
- }
+ Value* Builder::FCLAMP(Value* src, float low, float high)
+ {
+ Value* result = VMAXPS(src, VIMMED1(low));
+ result = VMINPS(result, VIMMED1(high));
- vGatherOutput[swizzleIndex] = BITCAST(PSHUFB(BITCAST(vGatherInput, v32x8Ty), vConstMask), vGatherTy);
- // after pshufb for x channel
- // 256i - 0 1 2 3 4 5 6 7
- // x000 x000 x000 x000 x000 x000 x000 x000
- }
- }
+ return result;
}
- // Helper function to create alloca in entry block of function
- Value* Builder::CreateEntryAlloca(Function* pFunc, Type* pType)
+ Value* Builder::FMADDPS(Value* a, Value* b, Value* c)
{
- auto saveIP = IRB()->saveIP();
- IRB()->SetInsertPoint(&pFunc->getEntryBlock(),
- pFunc->getEntryBlock().begin());
- Value* pAlloca = ALLOCA(pType);
- IRB()->restoreIP(saveIP);
- return pAlloca;
+ Value* vOut;
+ // This maps to LLVM fmuladd intrinsic
+ vOut = VFMADDPS(a, b, c);
+ return vOut;
}
//////////////////////////////////////////////////////////////////////////
- /// @brief emulates a scatter operation.
- /// @param pDst - pointer to destination
- /// @param vSrc - vector of src data to scatter
- /// @param vOffsets - vector of byte offsets from pDst
- /// @param vMask - mask of valid lanes
- void Builder::SCATTERPS(Value* pDst, Value* vSrc, Value* vOffsets, Value* vMask)
+ /// @brief pop count on vector mask (e.g. <8 x i1>)
+ Value* Builder::VPOPCNT(Value* a) { return POPCNT(VMOVMSK(a)); }
+
+ //////////////////////////////////////////////////////////////////////////
+ /// @brief Float / Fixed-point conversions
+ //////////////////////////////////////////////////////////////////////////
+ Value* Builder::VCVT_F32_FIXED_SI(Value* vFloat,
+ uint32_t numIntBits,
+ uint32_t numFracBits,
+ const llvm::Twine& name)
{
- /* Scatter algorithm
-
- while(Index = BitScanForward(mask))
- srcElem = srcVector[Index]
- offsetElem = offsetVector[Index]
- *(pDst + offsetElem) = srcElem
- Update mask (&= ~(1<<Index)
-
- */
-
- BasicBlock* pCurBB = IRB()->GetInsertBlock();
- Function* pFunc = pCurBB->getParent();
- Type* pSrcTy = vSrc->getType()->getVectorElementType();
-
- // Store vectors on stack
- if (pScatterStackSrc == nullptr)
+ SWR_ASSERT((numIntBits + numFracBits) <= 32, "Can only handle 32-bit fixed-point values");
+ Value* fixed = nullptr;
+
+#if 0 // This doesn't work for negative numbers!!
{
- // Save off stack allocations and reuse per scatter. Significantly reduces stack
- // requirements for shaders with a lot of scatters.
- pScatterStackSrc = CreateEntryAlloca(pFunc, mSimdInt64Ty);
- pScatterStackOffsets = CreateEntryAlloca(pFunc, mSimdInt32Ty);
+ fixed = FP_TO_SI(VROUND(FMUL(vFloat, VIMMED1(float(1 << numFracBits))),
+ C(_MM_FROUND_TO_NEAREST_INT)),
+ mSimdInt32Ty);
}
-
- Value* pSrcArrayPtr = BITCAST(pScatterStackSrc, PointerType::get(vSrc->getType(), 0));
- Value* pOffsetsArrayPtr = pScatterStackOffsets;
- STORE(vSrc, pSrcArrayPtr);
- STORE(vOffsets, pOffsetsArrayPtr);
-
- // Cast to pointers for random access
- pSrcArrayPtr = POINTER_CAST(pSrcArrayPtr, PointerType::get(pSrcTy, 0));
- pOffsetsArrayPtr = POINTER_CAST(pOffsetsArrayPtr, PointerType::get(mInt32Ty, 0));
-
- Value* pMask = VMOVMSKPS(BITCAST(vMask, mSimdFP32Ty));
-
- // Get cttz function
- Function* pfnCttz = Intrinsic::getDeclaration(mpJitMgr->mpCurrentModule, Intrinsic::cttz, { mInt32Ty });
-
- // Setup loop basic block
- BasicBlock* pLoop = BasicBlock::Create(mpJitMgr->mContext, "Scatter Loop", pFunc);
-
- // compute first set bit
- Value* pIndex = CALL(pfnCttz, { pMask, C(false) });
-
- Value* pIsUndef = ICMP_EQ(pIndex, C(32));
-
- // Split current block
- BasicBlock* pPostLoop = pCurBB->splitBasicBlock(cast<Instruction>(pIsUndef)->getNextNode());
-
- // Remove unconditional jump created by splitBasicBlock
- pCurBB->getTerminator()->eraseFromParent();
-
- // Add terminator to end of original block
- IRB()->SetInsertPoint(pCurBB);
-
- // Add conditional branch
- COND_BR(pIsUndef, pPostLoop, pLoop);
-
- // Add loop basic block contents
- IRB()->SetInsertPoint(pLoop);
- PHINode* pIndexPhi = PHI(mInt32Ty, 2);
- PHINode* pMaskPhi = PHI(mInt32Ty, 2);
-
- pIndexPhi->addIncoming(pIndex, pCurBB);
- pMaskPhi->addIncoming(pMask, pCurBB);
-
- // Extract elements for this index
- Value* pSrcElem = LOADV(pSrcArrayPtr, { pIndexPhi });
- Value* pOffsetElem = LOADV(pOffsetsArrayPtr, { pIndexPhi });
+ else
+#endif
+ {
+ // Do round to nearest int on fractional bits first
+ // Not entirely perfect for negative numbers, but close enough
+ vFloat = VROUND(FMUL(vFloat, VIMMED1(float(1 << numFracBits))),
+ C(_MM_FROUND_TO_NEAREST_INT));
+ vFloat = FMUL(vFloat, VIMMED1(1.0f / float(1 << numFracBits)));
- // GEP to this offset in dst
- Value* pCurDst = GEP(pDst, pOffsetElem);
- pCurDst = POINTER_CAST(pCurDst, PointerType::get(pSrcTy, 0));
- STORE(pSrcElem, pCurDst);
+ // TODO: Handle INF, NAN, overflow / underflow, etc.
- // Update the mask
- Value* pNewMask = AND(pMaskPhi, NOT(SHL(C(1), pIndexPhi)));
+ Value* vSgn = FCMP_OLT(vFloat, VIMMED1(0.0f));
+ Value* vFloatInt = BITCAST(vFloat, mSimdInt32Ty);
+ Value* vFixed = AND(vFloatInt, VIMMED1((1 << 23) - 1));
+ vFixed = OR(vFixed, VIMMED1(1 << 23));
+ vFixed = SELECT(vSgn, NEG(vFixed), vFixed);
- // Terminator
- Value* pNewIndex = CALL(pfnCttz, { pNewMask, C(false) });
+ Value* vExp = LSHR(SHL(vFloatInt, VIMMED1(1)), VIMMED1(24));
+ vExp = SUB(vExp, VIMMED1(127));
- pIsUndef = ICMP_EQ(pNewIndex, C(32));
- COND_BR(pIsUndef, pPostLoop, pLoop);
+ Value* vExtraBits = SUB(VIMMED1(23 - numFracBits), vExp);
- // Update phi edges
- pIndexPhi->addIncoming(pNewIndex, pLoop);
- pMaskPhi->addIncoming(pNewMask, pLoop);
+ fixed = ASHR(vFixed, vExtraBits, name);
+ }
- // Move builder to beginning of post loop
- IRB()->SetInsertPoint(pPostLoop, pPostLoop->begin());
+ return fixed;
}
- Value* Builder::VABSPS(Value* a)
+ Value* Builder::VCVT_FIXED_SI_F32(Value* vFixed,
+ uint32_t numIntBits,
+ uint32_t numFracBits,
+ const llvm::Twine& name)
{
- Value* asInt = BITCAST(a, mSimdInt32Ty);
- Value* result = BITCAST(AND(asInt, VIMMED1(0x7fffffff)), mSimdFP32Ty);
- return result;
- }
+ SWR_ASSERT((numIntBits + numFracBits) <= 32, "Can only handle 32-bit fixed-point values");
+ uint32_t extraBits = 32 - numIntBits - numFracBits;
+ if (numIntBits && extraBits)
+ {
+ // Sign extend
+ Value* shftAmt = VIMMED1(extraBits);
+ vFixed = ASHR(SHL(vFixed, shftAmt), shftAmt);
+ }
- Value *Builder::ICLAMP(Value* src, Value* low, Value* high)
- {
- Value *lowCmp = ICMP_SLT(src, low);
- Value *ret = SELECT(lowCmp, low, src);
+ Value* fVal = VIMMED1(0.0f);
+ Value* fFrac = VIMMED1(0.0f);
+ if (numIntBits)
+ {
+ fVal = SI_TO_FP(ASHR(vFixed, VIMMED1(numFracBits)), mSimdFP32Ty, name);
+ }
- Value *highCmp = ICMP_SGT(ret, high);
- ret = SELECT(highCmp, high, ret);
+ if (numFracBits)
+ {
+ fFrac = UI_TO_FP(AND(vFixed, VIMMED1((1 << numFracBits) - 1)), mSimdFP32Ty);
+ fFrac = FDIV(fFrac, VIMMED1(float(1 << numFracBits)), name);
+ }
- return ret;
+ return FADD(fVal, fFrac, name);
}
- Value *Builder::FCLAMP(Value* src, Value* low, Value* high)
+ Value* Builder::VCVT_F32_FIXED_UI(Value* vFloat,
+ uint32_t numIntBits,
+ uint32_t numFracBits,
+ const llvm::Twine& name)
{
- Value *lowCmp = FCMP_OLT(src, low);
- Value *ret = SELECT(lowCmp, low, src);
+ SWR_ASSERT((numIntBits + numFracBits) <= 32, "Can only handle 32-bit fixed-point values");
+ Value* fixed = nullptr;
+#if 1 // KNOB_SIM_FAST_MATH? Below works correctly from a precision
+ // standpoint...
+ {
+ fixed = FP_TO_UI(VROUND(FMUL(vFloat, VIMMED1(float(1 << numFracBits))),
+ C(_MM_FROUND_TO_NEAREST_INT)),
+ mSimdInt32Ty);
+ }
+#else
+ {
+ // Do round to nearest int on fractional bits first
+ vFloat = VROUND(FMUL(vFloat, VIMMED1(float(1 << numFracBits))),
+ C(_MM_FROUND_TO_NEAREST_INT));
+ vFloat = FMUL(vFloat, VIMMED1(1.0f / float(1 << numFracBits)));
- Value *highCmp = FCMP_OGT(ret, high);
- ret = SELECT(highCmp, high, ret);
+ // TODO: Handle INF, NAN, overflow / underflow, etc.
- return ret;
- }
+ Value* vSgn = FCMP_OLT(vFloat, VIMMED1(0.0f));
+ Value* vFloatInt = BITCAST(vFloat, mSimdInt32Ty);
+ Value* vFixed = AND(vFloatInt, VIMMED1((1 << 23) - 1));
+ vFixed = OR(vFixed, VIMMED1(1 << 23));
- Value *Builder::FCLAMP(Value* src, float low, float high)
- {
- Value* result = VMAXPS(src, VIMMED1(low));
- result = VMINPS(result, VIMMED1(high));
+ Value* vExp = LSHR(SHL(vFloatInt, VIMMED1(1)), VIMMED1(24));
+ vExp = SUB(vExp, VIMMED1(127));
- return result;
- }
+ Value* vExtraBits = SUB(VIMMED1(23 - numFracBits), vExp);
- //////////////////////////////////////////////////////////////////////////
- /// @brief save/restore stack, providing ability to push/pop the stack and
- /// reduce overall stack requirements for temporary stack use
- Value* Builder::STACKSAVE()
- {
- Function* pfnStackSave = Intrinsic::getDeclaration(JM()->mpCurrentModule, Intrinsic::stacksave);
- return CALLA(pfnStackSave);
+ fixed = LSHR(vFixed, vExtraBits, name);
+ }
+#endif
+ return fixed;
}
- void Builder::STACKRESTORE(Value* pSaved)
+ Value* Builder::VCVT_FIXED_UI_F32(Value* vFixed,
+ uint32_t numIntBits,
+ uint32_t numFracBits,
+ const llvm::Twine& name)
{
- Function* pfnStackRestore = Intrinsic::getDeclaration(JM()->mpCurrentModule, Intrinsic::stackrestore);
- CALL(pfnStackRestore, std::initializer_list<Value*>{pSaved});
- }
+ SWR_ASSERT((numIntBits + numFracBits) <= 32, "Can only handle 32-bit fixed-point values");
+ uint32_t extraBits = 32 - numIntBits - numFracBits;
+ if (numIntBits && extraBits)
+ {
+ // Sign extend
+ Value* shftAmt = VIMMED1(extraBits);
+ vFixed = ASHR(SHL(vFixed, shftAmt), shftAmt);
+ }
- Value *Builder::FMADDPS(Value* a, Value* b, Value* c)
- {
- Value* vOut;
- // use FMADs if available
- if(JM()->mArch.AVX2())
+ Value* fVal = VIMMED1(0.0f);
+ Value* fFrac = VIMMED1(0.0f);
+ if (numIntBits)
{
- vOut = VFMADDPS(a, b, c);
+ fVal = UI_TO_FP(LSHR(vFixed, VIMMED1(numFracBits)), mSimdFP32Ty, name);
}
- else
+
+ if (numFracBits)
{
- vOut = FADD(FMUL(a, b), c);
+ fFrac = UI_TO_FP(AND(vFixed, VIMMED1((1 << numFracBits) - 1)), mSimdFP32Ty);
+ fFrac = FDIV(fFrac, VIMMED1(float(1 << numFracBits)), name);
}
- return vOut;
- }
- Value* Builder::POPCNT(Value* a)
- {
- Function* pCtPop = Intrinsic::getDeclaration(JM()->mpCurrentModule, Intrinsic::ctpop, { a->getType() });
- return CALL(pCtPop, std::initializer_list<Value*>{a});
+ return FADD(fVal, fFrac, name);
}
//////////////////////////////////////////////////////////////////////////
/// @brief C functions called by LLVM IR
//////////////////////////////////////////////////////////////////////////
- //////////////////////////////////////////////////////////////////////////
- /// @brief called in JIT code, inserted by PRINT
- /// output to both stdout and visual studio debug console
- void __cdecl CallPrint(const char* fmt, ...)
+ Value* Builder::VEXTRACTI128(Value* a, Constant* imm8)
{
- va_list args;
- va_start(args, fmt);
- vprintf(fmt, args);
-
- #if defined( _WIN32 )
- char strBuf[1024];
- vsnprintf_s(strBuf, _TRUNCATE, fmt, args);
- OutputDebugString(strBuf);
- #endif
-
- va_end(args);
- }
-
- Value *Builder::VEXTRACTI128(Value* a, Constant* imm8)
- {
- bool flag = !imm8->isZeroValue();
- SmallVector<Constant*,8> idx;
- for (unsigned i = 0; i < mVWidth / 2; i++) {
+ bool flag = !imm8->isZeroValue();
+ SmallVector<Constant*, 8> idx;
+ for (unsigned i = 0; i < mVWidth / 2; i++)
+ {
idx.push_back(C(flag ? i + mVWidth / 2 : i));
}
return VSHUFFLE(a, VUNDEF_I(), ConstantVector::get(idx));
}
- Value *Builder::VINSERTI128(Value* a, Value* b, Constant* imm8)
+ Value* Builder::VINSERTI128(Value* a, Value* b, Constant* imm8)
{
- bool flag = !imm8->isZeroValue();
- SmallVector<Constant*,8> idx;
- for (unsigned i = 0; i < mVWidth; i++) {
+ bool flag = !imm8->isZeroValue();
+ SmallVector<Constant*, 8> idx;
+ for (unsigned i = 0; i < mVWidth; i++)
+ {
idx.push_back(C(i));
}
- Value *inter = VSHUFFLE(b, VUNDEF_I(), ConstantVector::get(idx));
+ Value* inter = VSHUFFLE(b, VUNDEF_I(), ConstantVector::get(idx));
- SmallVector<Constant*,8> idx2;
- for (unsigned i = 0; i < mVWidth / 2; i++) {
+ SmallVector<Constant*, 8> idx2;
+ for (unsigned i = 0; i < mVWidth / 2; i++)
+ {
idx2.push_back(C(flag ? i : i + mVWidth));
}
- for (unsigned i = mVWidth / 2; i < mVWidth; i++) {
+ for (unsigned i = mVWidth / 2; i < mVWidth; i++)
+ {
idx2.push_back(C(flag ? i + mVWidth / 2 : i));
}
return VSHUFFLE(a, inter, ConstantVector::get(idx2));
// rdtsc buckets macros
void Builder::RDTSC_START(Value* pBucketMgr, Value* pId)
{
- // @todo due to an issue with thread local storage propagation in llvm, we can only safely call into
- // buckets framework when single threaded
+ // @todo due to an issue with thread local storage propagation in llvm, we can only safely
+ // call into buckets framework when single threaded
if (KNOB_SINGLE_THREADED)
{
std::vector<Type*> args{
- PointerType::get(mInt32Ty, 0), // pBucketMgr
- mInt32Ty // id
+ PointerType::get(mInt32Ty, 0), // pBucketMgr
+ mInt32Ty // id
};
FunctionType* pFuncTy = FunctionType::get(Type::getVoidTy(JM()->mContext), args, false);
- Function* pFunc = cast<Function>(JM()->mpCurrentModule->getOrInsertFunction("BucketManager_StartBucket", pFuncTy));
- if (sys::DynamicLibrary::SearchForAddressOfSymbol("BucketManager_StartBucket") == nullptr)
+ Function* pFunc = cast<Function>(
+#if LLVM_VERSION_MAJOR >= 9
+ JM()->mpCurrentModule->getOrInsertFunction("BucketManager_StartBucket", pFuncTy).getCallee());
+#else
+ JM()->mpCurrentModule->getOrInsertFunction("BucketManager_StartBucket", pFuncTy));
+#endif
+ if (sys::DynamicLibrary::SearchForAddressOfSymbol("BucketManager_StartBucket") ==
+ nullptr)
{
- sys::DynamicLibrary::AddSymbol("BucketManager_StartBucket", (void*)&BucketManager_StartBucket);
+ sys::DynamicLibrary::AddSymbol("BucketManager_StartBucket",
+ (void*)&BucketManager_StartBucket);
}
- CALL(pFunc, { pBucketMgr, pId });
+ CALL(pFunc, {pBucketMgr, pId});
}
}
void Builder::RDTSC_STOP(Value* pBucketMgr, Value* pId)
{
- // @todo due to an issue with thread local storage propagation in llvm, we can only safely call into
- // buckets framework when single threaded
+ // @todo due to an issue with thread local storage propagation in llvm, we can only safely
+ // call into buckets framework when single threaded
if (KNOB_SINGLE_THREADED)
{
std::vector<Type*> args{
- PointerType::get(mInt32Ty, 0), // pBucketMgr
- mInt32Ty // id
+ PointerType::get(mInt32Ty, 0), // pBucketMgr
+ mInt32Ty // id
};
FunctionType* pFuncTy = FunctionType::get(Type::getVoidTy(JM()->mContext), args, false);
- Function* pFunc = cast<Function>(JM()->mpCurrentModule->getOrInsertFunction("BucketManager_StopBucket", pFuncTy));
- if (sys::DynamicLibrary::SearchForAddressOfSymbol("BucketManager_StopBucket") == nullptr)
+ Function* pFunc = cast<Function>(
+#if LLVM_VERSION_MAJOR >= 9
+ JM()->mpCurrentModule->getOrInsertFunction("BucketManager_StopBucket", pFuncTy).getCallee());
+#else
+ JM()->mpCurrentModule->getOrInsertFunction("BucketManager_StopBucket", pFuncTy));
+#endif
+ if (sys::DynamicLibrary::SearchForAddressOfSymbol("BucketManager_StopBucket") ==
+ nullptr)
{
- sys::DynamicLibrary::AddSymbol("BucketManager_StopBucket", (void*)&BucketManager_StopBucket);
+ sys::DynamicLibrary::AddSymbol("BucketManager_StopBucket",
+ (void*)&BucketManager_StopBucket);
}
- CALL(pFunc, { pBucketMgr, pId });
+ CALL(pFunc, {pBucketMgr, pId});
}
}
-}
+ uint32_t Builder::GetTypeSize(Type* pType)
+ {
+ if (pType->isStructTy())
+ {
+ uint32_t numElems = pType->getStructNumElements();
+ Type* pElemTy = pType->getStructElementType(0);
+ return numElems * GetTypeSize(pElemTy);
+ }
+
+ if (pType->isArrayTy())
+ {
+ uint32_t numElems = pType->getArrayNumElements();
+ Type* pElemTy = pType->getArrayElementType();
+ return numElems * GetTypeSize(pElemTy);
+ }
+
+ if (pType->isIntegerTy())
+ {
+ uint32_t bitSize = pType->getIntegerBitWidth();
+ return bitSize / 8;
+ }
+
+ if (pType->isFloatTy())
+ {
+ return 4;
+ }
+
+ if (pType->isHalfTy())
+ {
+ return 2;
+ }
+
+ if (pType->isDoubleTy())
+ {
+ return 8;
+ }
+
+ SWR_ASSERT(false, "Unimplemented type.");
+ return 0;
+ }
+} // namespace SwrJit
projects / mesa.git / blobdiff