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https://github.com/c64scene-ar/llvm-6502.git
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First baby step towards ppc64 support. This adds a new -march=ppc64 backend
that is currently just like ppc32 :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28813 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
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1127315562
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@ -69,7 +69,7 @@ static const char *GetCurrentPowerPCCPU() {
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#endif
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#endif
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PPCSubtarget::PPCSubtarget(const Module &M, const std::string &FS)
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PPCSubtarget::PPCSubtarget(const Module &M, const std::string &FS, bool is64Bit)
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: StackAlignment(16)
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: StackAlignment(16)
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, InstrItins()
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, InstrItins()
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, IsGigaProcessor(false)
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, IsGigaProcessor(false)
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@ -44,7 +44,7 @@ public:
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/// This constructor initializes the data members to match that
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/// This constructor initializes the data members to match that
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/// of the specified module.
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/// of the specified module.
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///
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///
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PPCSubtarget(const Module &M, const std::string &FS);
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PPCSubtarget(const Module &M, const std::string &FS, bool is64Bit);
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/// ParseSubtargetFeatures - Parses features string setting specified
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/// ParseSubtargetFeatures - Parses features string setting specified
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/// subtarget options. Definition of function is auto generated by tblgen.
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/// subtarget options. Definition of function is auto generated by tblgen.
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@ -59,6 +59,10 @@ public:
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/// selection.
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/// selection.
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const InstrItineraryData getInstrItineraryData() const { return InstrItins; }
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const InstrItineraryData getInstrItineraryData() const { return InstrItins; }
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const char *getTargetDataString() const {
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// FIXME: Make is64Bit be for the processor, not the target.
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return true ? "E-p:32:32-d:32-l:32" : "E-p:64:64-d:32-l:32";
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}
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bool hasFSQRT() const { return HasFSQRT; }
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bool hasFSQRT() const { return HasFSQRT; }
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bool hasSTFIWX() const { return HasSTFIWX; }
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bool hasSTFIWX() const { return HasSTFIWX; }
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@ -29,19 +29,29 @@ using namespace llvm;
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namespace {
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namespace {
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// Register the targets
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// Register the targets
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RegisterTarget<PPCTargetMachine>
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RegisterTarget<PPC32TargetMachine>
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X("ppc32", " PowerPC");
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X("ppc32", " PowerPC 32");
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RegisterTarget<PPC64TargetMachine>
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Y("ppc64", " PowerPC 64");
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}
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}
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unsigned PPCTargetMachine::getJITMatchQuality() {
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unsigned PPC32TargetMachine::getJITMatchQuality() {
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#if defined(__POWERPC__) || defined (__ppc__) || defined(_POWER)
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#if defined(__POWERPC__) || defined (__ppc__) || defined(_POWER)
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if (sizeof(void*) == 4)
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return 10;
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return 10;
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#else
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#else
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return 0;
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return 0;
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#endif
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#endif
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}
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}
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unsigned PPC64TargetMachine::getJITMatchQuality() {
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#if defined(__POWERPC__) || defined (__ppc__) || defined(_POWER)
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if (sizeof(void*) == 8)
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return 10 * 0/*FIXME: not PPC64-JIT support yet! */;
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#endif
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return 0;
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}
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unsigned PPCTargetMachine::getModuleMatchQuality(const Module &M) {
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unsigned PPC32TargetMachine::getModuleMatchQuality(const Module &M) {
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// We strongly match "powerpc-*".
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// We strongly match "powerpc-*".
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std::string TT = M.getTargetTriple();
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std::string TT = M.getTargetTriple();
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if (TT.size() >= 8 && std::string(TT.begin(), TT.begin()+8) == "powerpc-")
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if (TT.size() >= 8 && std::string(TT.begin(), TT.begin()+8) == "powerpc-")
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@ -57,11 +67,31 @@ unsigned PPCTargetMachine::getModuleMatchQuality(const Module &M) {
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return getJITMatchQuality()/2;
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return getJITMatchQuality()/2;
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}
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}
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PPCTargetMachine::PPCTargetMachine(const Module &M, const std::string &FS)
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unsigned PPC64TargetMachine::getModuleMatchQuality(const Module &M) {
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: TargetMachine("PowerPC"),
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// We strongly match "powerpc64-*".
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DataLayout(std::string("PowerPC"), std::string("E-p:32:32-d:32-l:32")),
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std::string TT = M.getTargetTriple();
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Subtarget(M, FS), FrameInfo(*this, false), JITInfo(*this),
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if (TT.size() >= 10 && std::string(TT.begin(), TT.begin()+10) == "powerpc64-")
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TLInfo(*this), InstrItins(Subtarget.getInstrItineraryData()) {
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return 20;
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if (M.getEndianness() == Module::BigEndian &&
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M.getPointerSize() == Module::Pointer64)
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return 10; // Weak match
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else if (M.getEndianness() != Module::AnyEndianness ||
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M.getPointerSize() != Module::AnyPointerSize)
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return 0; // Match for some other target
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return getJITMatchQuality()/2;
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}
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PPCTargetMachine::PPCTargetMachine(const Module &M, const std::string &FS,
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bool is64Bit)
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: TargetMachine("PowerPC"), Subtarget(M, FS, is64Bit),
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DataLayout(std::string("PowerPC"),
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std::string(Subtarget.getTargetDataString())),
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FrameInfo(*this, false), JITInfo(*this), TLInfo(*this),
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InstrItins(Subtarget.getInstrItineraryData()) {
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if (TargetDefault == PPCTarget) {
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if (TargetDefault == PPCTarget) {
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if (Subtarget.isAIX()) PPCTarget = TargetAIX;
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if (Subtarget.isAIX()) PPCTarget = TargetAIX;
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if (Subtarget.isDarwin()) PPCTarget = TargetDarwin;
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if (Subtarget.isDarwin()) PPCTarget = TargetDarwin;
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@ -73,6 +103,15 @@ PPCTargetMachine::PPCTargetMachine(const Module &M, const std::string &FS)
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setRelocationModel(Reloc::PIC);
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setRelocationModel(Reloc::PIC);
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}
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}
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PPC32TargetMachine::PPC32TargetMachine(const Module &M, const std::string &FS)
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: PPCTargetMachine(M, FS, false) {
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}
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PPC64TargetMachine::PPC64TargetMachine(const Module &M, const std::string &FS)
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: PPCTargetMachine(M, FS, true) {
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}
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/// addPassesToEmitFile - Add passes to the specified pass manager to implement
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/// addPassesToEmitFile - Add passes to the specified pass manager to implement
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/// a static compiler for this target.
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/// a static compiler for this target.
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///
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///
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@ -26,37 +26,36 @@ namespace llvm {
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class PassManager;
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class PassManager;
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class GlobalValue;
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class GlobalValue;
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/// PPCTargetMachine - Common code between 32-bit and 64-bit PowerPC targets.
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///
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class PPCTargetMachine : public TargetMachine {
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class PPCTargetMachine : public TargetMachine {
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PPCSubtarget Subtarget;
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const TargetData DataLayout; // Calculates type size & alignment
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const TargetData DataLayout; // Calculates type size & alignment
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PPCInstrInfo InstrInfo;
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PPCInstrInfo InstrInfo;
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PPCSubtarget Subtarget;
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PPCFrameInfo FrameInfo;
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PPCFrameInfo FrameInfo;
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PPCJITInfo JITInfo;
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PPCJITInfo JITInfo;
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PPCTargetLowering TLInfo;
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PPCTargetLowering TLInfo;
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InstrItineraryData InstrItins;
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InstrItineraryData InstrItins;
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public:
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public:
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PPCTargetMachine(const Module &M, const std::string &FS);
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PPCTargetMachine(const Module &M, const std::string &FS, bool is64Bit);
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virtual const PPCInstrInfo *getInstrInfo() const { return &InstrInfo; }
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virtual const PPCInstrInfo *getInstrInfo() const { return &InstrInfo; }
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virtual const TargetFrameInfo *getFrameInfo() const { return &FrameInfo; }
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virtual const TargetFrameInfo *getFrameInfo() const { return &FrameInfo; }
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virtual TargetJITInfo *getJITInfo() { return &JITInfo; }
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virtual TargetJITInfo *getJITInfo() { return &JITInfo; }
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virtual const TargetSubtarget *getSubtargetImpl() const{ return &Subtarget; }
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virtual PPCTargetLowering *getTargetLowering() const {
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virtual PPCTargetLowering *getTargetLowering() const {
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return const_cast<PPCTargetLowering*>(&TLInfo);
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return const_cast<PPCTargetLowering*>(&TLInfo);
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}
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}
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virtual const MRegisterInfo *getRegisterInfo() const {
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virtual const MRegisterInfo *getRegisterInfo() const {
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return &InstrInfo.getRegisterInfo();
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return &InstrInfo.getRegisterInfo();
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}
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}
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virtual const TargetData *getTargetData() const { return &DataLayout; }
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virtual const TargetData *getTargetData() const { return &DataLayout; }
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virtual const PPCSubtarget *getSubtargetImpl() const { return &Subtarget; }
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virtual const InstrItineraryData getInstrItineraryData() const {
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virtual const InstrItineraryData getInstrItineraryData() const {
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return InstrItins;
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return InstrItins;
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}
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}
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static unsigned getJITMatchQuality();
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static unsigned getModuleMatchQuality(const Module &M);
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virtual bool addPassesToEmitFile(PassManager &PM, std::ostream &Out,
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virtual bool addPassesToEmitFile(PassManager &PM, std::ostream &Out,
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CodeGenFileType FileType, bool Fast);
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CodeGenFileType FileType, bool Fast);
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@ -64,6 +63,26 @@ public:
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MachineCodeEmitter &MCE);
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MachineCodeEmitter &MCE);
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};
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};
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/// PPC32TargetMachine - PowerPC 32-bit target machine.
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///
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class PPC32TargetMachine : public PPCTargetMachine {
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public:
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PPC32TargetMachine(const Module &M, const std::string &FS);
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static unsigned getJITMatchQuality();
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static unsigned getModuleMatchQuality(const Module &M);
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};
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/// PPC64TargetMachine - PowerPC 64-bit target machine.
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///
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class PPC64TargetMachine : public PPCTargetMachine {
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public:
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PPC64TargetMachine(const Module &M, const std::string &FS);
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static unsigned getJITMatchQuality();
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static unsigned getModuleMatchQuality(const Module &M);
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};
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} // end namespace llvm
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} // end namespace llvm
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#endif
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#endif
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