diff options
| author | Reid Spencer <rspencer@reidspencer.com> | 2007-03-03 06:18:03 +0000 |
|---|---|---|
| committer | Reid Spencer <rspencer@reidspencer.com> | 2007-03-03 06:18:03 +0000 |
| commit | 93a2875456a61f072f74a2b6b5c37bc2463a43ca (patch) | |
| tree | f972ca5fd5c8517501b3ff31643d0f7e93b09bf2 /lib/ExecutionEngine/ExecutionEngine.cpp | |
| parent | 28bb83625accaa7b44d60c71794d35e3e8d61039 (diff) | |
Implement loading and storing of APInt values from memory.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34874 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/ExecutionEngine/ExecutionEngine.cpp')
| -rw-r--r-- | lib/ExecutionEngine/ExecutionEngine.cpp | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/lib/ExecutionEngine/ExecutionEngine.cpp b/lib/ExecutionEngine/ExecutionEngine.cpp index 47266bf592..55793219bc 100644 --- a/lib/ExecutionEngine/ExecutionEngine.cpp +++ b/lib/ExecutionEngine/ExecutionEngine.cpp @@ -425,7 +425,7 @@ GenericValue ExecutionEngine::getConstantValue(const Constant *C) { else if (BitWidth <= 64) Result.Int64Val = (uint64_t )cast<ConstantInt>(C)->getZExtValue(); else - assert(0 && "Integers with > 64-bits not implemented"); + Result.APIntVal = const_cast<APInt*>(&cast<ConstantInt>(C)->getValue()); break; } @@ -481,8 +481,12 @@ void ExecutionEngine::StoreValueToMemory(GenericValue Val, GenericValue *Ptr, Ptr->Untyped[5] = (unsigned char)(TmpVal.Int64Val >> 40); Ptr->Untyped[6] = (unsigned char)(TmpVal.Int64Val >> 48); Ptr->Untyped[7] = (unsigned char)(TmpVal.Int64Val >> 56); - } else - assert(0 && "Integer types > 64 bits not supported"); + } else { + uint64_t *Dest = (uint64_t*)Ptr; + const uint64_t *Src = Val.APIntVal->getRawData(); + for (uint32_t i = 0; i < Val.APIntVal->getNumWords(); ++i) + Dest[i] = Src[i]; + } break; } Store4BytesLittleEndian: @@ -537,8 +541,12 @@ Store4BytesLittleEndian: Ptr->Untyped[2] = (unsigned char)(TmpVal.Int64Val >> 40); Ptr->Untyped[1] = (unsigned char)(TmpVal.Int64Val >> 48); Ptr->Untyped[0] = (unsigned char)(TmpVal.Int64Val >> 56); - } else - assert(0 && "Integer types > 64 bits not supported"); + } else { + uint64_t *Dest = (uint64_t*)Ptr; + const uint64_t *Src = Val.APIntVal->getRawData(); + for (uint32_t i = 0; i < Val.APIntVal->getNumWords(); ++i) + Dest[i] = Src[i]; + } break; } Store4BytesBigEndian: @@ -597,7 +605,7 @@ GenericValue ExecutionEngine::LoadValueFromMemory(GenericValue *Ptr, ((uint64_t)Ptr->Untyped[6] << 48) | ((uint64_t)Ptr->Untyped[7] << 56); } else - assert(0 && "Integer types > 64 bits not supported"); + Result.APIntVal = new APInt(BitWidth, BitWidth/64, (uint64_t*)Ptr); break; } Load4BytesLittleEndian: @@ -628,7 +636,7 @@ GenericValue ExecutionEngine::LoadValueFromMemory(GenericValue *Ptr, } else { switch (Ty->getTypeID()) { case Type::IntegerTyID: { - unsigned BitWidth = cast<IntegerType>(Ty)->getBitWidth(); + uint32_t BitWidth = cast<IntegerType>(Ty)->getBitWidth(); if (BitWidth <= 8) Result.Int8Val = Ptr->Untyped[0]; else if (BitWidth <= 16) { @@ -649,7 +657,7 @@ GenericValue ExecutionEngine::LoadValueFromMemory(GenericValue *Ptr, ((uint64_t)Ptr->Untyped[1] << 48) | ((uint64_t)Ptr->Untyped[0] << 56); } else - assert(0 && "Integer types > 64 bits not supported"); + Result.APIntVal = new APInt(BitWidth, BitWidth/64, (uint64_t*)Ptr); break; } Load4BytesBigEndian: |