//
// The LLVM Compiler Infrastructure
//
-// This file was developed by Bruno Cardoso Lopes and is distributed under the
-// University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
#include "llvm/Target/TargetMachineRegistry.h"
using namespace llvm;
-namespace {
- // Register the target.
- RegisterTarget<MipsTargetMachine> X("mips", " Mips");
+/// MipsTargetMachineModule - Note that this is used on hosts that
+/// cannot link in a library unless there are references into the
+/// library. In particular, it seems that it is not possible to get
+/// things to work on Win32 without this. Though it is unused, do not
+/// remove it.
+extern "C" int MipsTargetMachineModule;
+int MipsTargetMachineModule = 0;
+
+// Register the target.
+static RegisterTarget<MipsTargetMachine> X("mips", "Mips");
+static RegisterTarget<MipselTargetMachine> Y("mipsel", "Mipsel");
+
+MipsTargetMachine::AsmPrinterCtorFn MipsTargetMachine::AsmPrinterCtor = 0;
+
+
+// Force static initialization when called from llvm/InitializeAllTargets.h
+namespace llvm {
+ void InitializeMipsTarget() { }
}
const TargetAsmInfo *MipsTargetMachine::
// 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),
+MipsTargetMachine(const Module &M, const std::string &FS, bool isLittle=false):
+ Subtarget(*this, M, FS, isLittle),
+ DataLayout(isLittle ? std::string("e-p:32:32:32-i8:8:32-i16:16:32") :
+ std::string("E-p:32:32:32-i8:8:32-i16:16:32")),
+ InstrInfo(*this),
+ FrameInfo(TargetFrameInfo::StackGrowsUp, 8, 0),
TLInfo(*this)
{
- if (getRelocationModel() != Reloc::Static)
+ // Abicall enables PIC by default
+ if (Subtarget.hasABICall())
setRelocationModel(Reloc::PIC_);
+
+ // TODO: create an option to enable long calls, like -mlong-calls,
+ // that would be our CodeModel::Large. It must not work with Abicall.
if (getCodeModel() == CodeModel::Default)
setCodeModel(CodeModel::Small);
}
+MipselTargetMachine::
+MipselTargetMachine(const Module &M, const std::string &FS) :
+ MipsTargetMachine(M, FS, true) {}
+
// return 0 and must specify -march to gen MIPS code.
unsigned MipsTargetMachine::
getModuleMatchQuality(const Module &M)
{
- // We strongly match "mips-*".
+ // We strongly match "mips*-*".
std::string TT = M.getTargetTriple();
if (TT.size() >= 5 && std::string(TT.begin(), TT.begin()+5) == "mips-")
return 20;
+ if (TT.size() >= 13 && std::string(TT.begin(),
+ TT.begin()+13) == "mipsallegrex-")
+ return 20;
+
+ return 0;
+}
+
+// return 0 and must specify -march to gen MIPSEL code.
+unsigned MipselTargetMachine::
+getModuleMatchQuality(const Module &M)
+{
+ // We strongly match "mips*el-*".
+ std::string TT = M.getTargetTriple();
+ if (TT.size() >= 7 && std::string(TT.begin(), TT.begin()+7) == "mipsel-")
+ return 20;
+
+ if (TT.size() >= 15 && std::string(TT.begin(),
+ TT.begin()+15) == "mipsallegrexel-")
+ return 20;
+
+ if (TT.size() == 3 && std::string(TT.begin(), TT.begin()+3) == "psp")
+ return 20;
+
return 0;
}
// Install an instruction selector pass using
// the ISelDag to gen Mips code.
bool MipsTargetMachine::
-addInstSelector(FunctionPassManager &PM, bool Fast)
+addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel)
{
PM.add(createMipsISelDag(*this));
return false;
// machine code is emitted. return true if -print-machineinstrs should
// print out the code after the passes.
bool MipsTargetMachine::
-addPreEmitPass(FunctionPassManager &PM, bool Fast)
+addPreEmitPass(PassManagerBase &PM, CodeGenOpt::Level OptLevel)
{
PM.add(createMipsDelaySlotFillerPass(*this));
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)
-{
+addAssemblyEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
+ bool Verbose, raw_ostream &Out) {
// Output assembly language.
- PM.add(createMipsCodePrinterPass(Out, *this));
+ assert(AsmPrinterCtor && "AsmPrinter was not linked in");
+ PM.add(AsmPrinterCtor(Out, *this, OptLevel, Verbose));
return false;
}