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https://github.com/c64scene-ar/llvm-6502.git
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a98cd4578f
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6249 91177308-0d34-0410-b5e6-96231b3b80d8
81 lines
2.0 KiB
C++
81 lines
2.0 KiB
C++
//===-- llvm/CodeGen/SparcInstrSelectionSupport.h ---------------*- C++ -*-===//
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//
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//
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//
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//===----------------------------------------------------------------------===//
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#ifndef SPARC_INSTR_SELECTION_SUPPORT_h
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#define SPARC_INSTR_SELECTION_SUPPORT_h
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#include "llvm/DerivedTypes.h"
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inline MachineOpCode
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ChooseLoadInstruction(const Type *DestTy)
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{
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switch (DestTy->getPrimitiveID()) {
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case Type::BoolTyID:
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case Type::UByteTyID: return V9::LDUB;
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case Type::SByteTyID: return V9::LDSB;
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case Type::UShortTyID: return V9::LDUH;
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case Type::ShortTyID: return V9::LDSH;
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case Type::UIntTyID: return V9::LDUW;
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case Type::IntTyID: return V9::LDSW;
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case Type::PointerTyID:
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case Type::ULongTyID:
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case Type::LongTyID: return V9::LDX;
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case Type::FloatTyID: return V9::LD;
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case Type::DoubleTyID: return V9::LDD;
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default: assert(0 && "Invalid type for Load instruction");
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}
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return 0;
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}
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inline MachineOpCode
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ChooseStoreInstruction(const Type *DestTy)
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{
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switch (DestTy->getPrimitiveID()) {
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case Type::BoolTyID:
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case Type::UByteTyID:
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case Type::SByteTyID: return V9::STB;
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case Type::UShortTyID:
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case Type::ShortTyID: return V9::STH;
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case Type::UIntTyID:
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case Type::IntTyID: return V9::STW;
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case Type::PointerTyID:
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case Type::ULongTyID:
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case Type::LongTyID: return V9::STX;
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case Type::FloatTyID: return V9::ST;
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case Type::DoubleTyID: return V9::STD;
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default: assert(0 && "Invalid type for Store instruction");
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}
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return 0;
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}
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inline MachineOpCode
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ChooseAddInstructionByType(const Type* resultType)
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{
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MachineOpCode opCode = V9::INVALID_OPCODE;
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if (resultType->isIntegral() ||
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isa<PointerType>(resultType) ||
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isa<FunctionType>(resultType) ||
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resultType == Type::LabelTy)
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{
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opCode = V9::ADD;
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}
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else
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switch(resultType->getPrimitiveID())
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{
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case Type::FloatTyID: opCode = V9::FADDS; break;
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case Type::DoubleTyID: opCode = V9::FADDD; break;
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default: assert(0 && "Invalid type for ADD instruction"); break;
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}
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return opCode;
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}
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#endif
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