X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FMips%2FMipsTargetMachine.cpp;h=b70542bccc711172bdb0759d5950bd8c51c8b93f;hb=10d5ff6b1dceec77c23cd200ef200e2e9dec4c85;hp=7493bb527eb60157e226c2eac3c68a75d2393cb0;hpb=4ee451de366474b9c228b4e5fa573795a715216d;p=oota-llvm.git

diff --git a/lib/Target/Mips/MipsTargetMachine.cpp b/lib/Target/Mips/MipsTargetMachine.cpp
index 7493bb527eb..b70542bccc7 100644
--- a/lib/Target/Mips/MipsTargetMachine.cpp
+++ b/lib/Target/Mips/MipsTargetMachine.cpp
@@ -11,83 +11,117 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "Mips.h"
-#include "MipsTargetAsmInfo.h"
 #include "MipsTargetMachine.h"
-#include "llvm/Module.h"
+#include "Mips.h"
+#include "MipsFrameLowering.h"
+#include "MipsInstrInfo.h"
 #include "llvm/PassManager.h"
-#include "llvm/Target/TargetMachineRegistry.h"
+#include "llvm/CodeGen/Passes.h"
+#include "llvm/Support/TargetRegistry.h"
 using namespace llvm;
 
-namespace {
+extern "C" void LLVMInitializeMipsTarget() {
   // Register the target.
-  RegisterTarget<MipsTargetMachine> X("mips", "  Mips");
-}
-
-const TargetAsmInfo *MipsTargetMachine::
-createTargetAsmInfo() const 
-{
-  return new MipsTargetAsmInfo(*this);
+  RegisterTargetMachine<MipsebTargetMachine> X(TheMipsTarget);
+  RegisterTargetMachine<MipselTargetMachine> Y(TheMipselTarget);
+  RegisterTargetMachine<MipsebTargetMachine> A(TheMips64Target);
+  RegisterTargetMachine<MipselTargetMachine> B(TheMips64elTarget);
 }
 
 // DataLayout --> Big-endian, 32-bit pointer/ABI/alignment
 // The stack is always 8 byte aligned
 // On function prologue, the stack is created by decrementing
 // its pointer. Once decremented, all references are done with positive
-// offset from the stack/frame pointer, so StackGrowsUp is used.
-// When using CodeModel::Large the behaviour 
-//
-// 
+// offset from the stack/frame pointer, using StackGrowsUp enables
+// an easier handling.
+// Using CodeModel::Large enables different CALL behavior.
 MipsTargetMachine::
-MipsTargetMachine(const Module &M, const std::string &FS): 
-  Subtarget(*this, M, FS), DataLayout("E-p:32:32:32"), 
-  InstrInfo(*this), FrameInfo(TargetFrameInfo::StackGrowsUp, 8, 0),
-  TLInfo(*this) 
-{
-  if (getRelocationModel() != Reloc::Static)
-    setRelocationModel(Reloc::PIC_);  
-  if (getCodeModel() == CodeModel::Default)
-    setCodeModel(CodeModel::Small);
+MipsTargetMachine(const Target &T, StringRef TT,
+                  StringRef CPU, StringRef FS, const TargetOptions &Options,
+                  Reloc::Model RM, CodeModel::Model CM,
+                  CodeGenOpt::Level OL,
+                  bool isLittle)
+  : LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL),
+    Subtarget(TT, CPU, FS, isLittle, RM),
+    DataLayout(isLittle ?
+               (Subtarget.isABI_N64() ?
+                "e-p:64:64:64-i8:8:32-i16:16:32-i64:64:64-f128:128:128-n32" :
+                "e-p:32:32:32-i8:8:32-i16:16:32-i64:64:64-n32") :
+               (Subtarget.isABI_N64() ?
+                "E-p:64:64:64-i8:8:32-i16:16:32-i64:64:64-f128:128:128-n32" :
+                "E-p:32:32:32-i8:8:32-i16:16:32-i64:64:64-n32")),
+    InstrInfo(MipsInstrInfo::create(*this)),
+    FrameLowering(MipsFrameLowering::create(*this, Subtarget)),
+    TLInfo(*this), TSInfo(*this), JITInfo(),
+    ELFWriterInfo(false, isLittle) {
 }
 
-// return 0 and must specify -march to gen MIPS code.
-unsigned MipsTargetMachine::
-getModuleMatchQuality(const Module &M) 
-{
-  // We strongly match "mips-*".
-  std::string TT = M.getTargetTriple();
-  if (TT.size() >= 5 && std::string(TT.begin(), TT.begin()+5) == "mips-")
-    return 20;
-  
-  return 0;
+void MipsebTargetMachine::anchor() { }
+
+MipsebTargetMachine::
+MipsebTargetMachine(const Target &T, StringRef TT,
+                    StringRef CPU, StringRef FS, const TargetOptions &Options,
+                    Reloc::Model RM, CodeModel::Model CM,
+                    CodeGenOpt::Level OL)
+  : MipsTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL, false) {}
+
+void MipselTargetMachine::anchor() { }
+
+MipselTargetMachine::
+MipselTargetMachine(const Target &T, StringRef TT,
+                    StringRef CPU, StringRef FS, const TargetOptions &Options,
+                    Reloc::Model RM, CodeModel::Model CM,
+                    CodeGenOpt::Level OL)
+  : MipsTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL, true) {}
+
+namespace {
+/// Mips Code Generator Pass Configuration Options.
+class MipsPassConfig : public TargetPassConfig {
+public:
+  MipsPassConfig(MipsTargetMachine *TM, PassManagerBase &PM)
+    : TargetPassConfig(TM, PM) {}
+
+  MipsTargetMachine &getMipsTargetMachine() const {
+    return getTM<MipsTargetMachine>();
+  }
+
+  const MipsSubtarget &getMipsSubtarget() const {
+    return *getMipsTargetMachine().getSubtargetImpl();
+  }
+
+  virtual bool addInstSelector();
+  virtual bool addPreEmitPass();
+};
+} // namespace
+
+TargetPassConfig *MipsTargetMachine::createPassConfig(PassManagerBase &PM) {
+  return new MipsPassConfig(this, PM);
 }
 
-// Install an instruction selector pass using 
+// Install an instruction selector pass using
 // the ISelDag to gen Mips code.
-bool MipsTargetMachine::
-addInstSelector(FunctionPassManager &PM, bool Fast) 
-{
-  PM.add(createMipsISelDag(*this));
+bool MipsPassConfig::addInstSelector() {
+  addPass(createMipsISelDag(getMipsTargetMachine()));
   return false;
 }
 
-// Implemented by targets that want to run passes immediately before 
-// machine code is emitted. return true if -print-machineinstrs should 
+// Implemented by targets that want to run passes immediately before
+// machine code is emitted. return true if -print-machineinstrs should
 // print out the code after the passes.
-bool MipsTargetMachine::
-addPreEmitPass(FunctionPassManager &PM, bool Fast) 
-{
-  PM.add(createMipsDelaySlotFillerPass(*this));
+bool MipsPassConfig::addPreEmitPass() {
+  MipsTargetMachine &TM = getMipsTargetMachine();
+  addPass(createMipsDelaySlotFillerPass(TM));
+
+  // NOTE: long branch has not been implemented for mips16.
+  if (TM.getSubtarget<MipsSubtarget>().hasStandardEncoding())
+    addPass(createMipsLongBranchPass(TM));
+
   return true;
 }
 
-// Implements the AssemblyEmitter for the target. Must return
-// true if AssemblyEmitter is supported
-bool MipsTargetMachine::
-addAssemblyEmitter(FunctionPassManager &PM, bool Fast, 
-                   std::ostream &Out) 
-{
-  // Output assembly language.
-  PM.add(createMipsCodePrinterPass(Out, *this));
+bool MipsTargetMachine::addCodeEmitter(PassManagerBase &PM,
+                                       JITCodeEmitter &JCE) {
+  // Machine code emitter pass for Mips.
+  PM.add(createMipsJITCodeEmitterPass(*this, JCE));
   return false;
 }