mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-09-04 09:30:13 +00:00
well as 2 files that use "Registrator"s. These are to be used by the MSVC builds, as the Win32 linker does not include libs that are otherwise unreferenced, even if global constructors in the lib have side-effects. Patch by Scott Graham! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59378 91177308-0d34-0410-b5e6-96231b3b80d8
94 lines
2.9 KiB
C++
94 lines
2.9 KiB
C++
//===-- SPUTargetMachine.cpp - Define TargetMachine for Cell SPU ----------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// Top-level implementation for the Cell SPU target.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "SPU.h"
|
|
#include "SPURegisterNames.h"
|
|
#include "SPUTargetAsmInfo.h"
|
|
#include "SPUTargetMachine.h"
|
|
#include "llvm/Module.h"
|
|
#include "llvm/PassManager.h"
|
|
#include "llvm/Target/TargetMachineRegistry.h"
|
|
|
|
using namespace llvm;
|
|
|
|
/// CellSPUTargetMachineModule - 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 CellSPUTargetMachineModule;
|
|
int CellSPUTargetMachineModule = 0;
|
|
|
|
namespace {
|
|
// Register the targets
|
|
RegisterTarget<SPUTargetMachine>
|
|
CELLSPU("cellspu", "STI CBEA Cell SPU [experimental]");
|
|
}
|
|
|
|
const std::pair<unsigned, int> *
|
|
SPUFrameInfo::getCalleeSaveSpillSlots(unsigned &NumEntries) const {
|
|
NumEntries = 1;
|
|
return &LR[0];
|
|
}
|
|
|
|
const TargetAsmInfo *
|
|
SPUTargetMachine::createTargetAsmInfo() const
|
|
{
|
|
return new SPULinuxTargetAsmInfo(*this);
|
|
}
|
|
|
|
unsigned
|
|
SPUTargetMachine::getModuleMatchQuality(const Module &M)
|
|
{
|
|
// We strongly match "spu-*" or "cellspu-*".
|
|
std::string TT = M.getTargetTriple();
|
|
if ((TT.size() == 3 && std::string(TT.begin(), TT.begin()+3) == "spu")
|
|
|| (TT.size() == 7 && std::string(TT.begin(), TT.begin()+7) == "cellspu")
|
|
|| (TT.size() >= 4 && std::string(TT.begin(), TT.begin()+4) == "spu-")
|
|
|| (TT.size() >= 8 && std::string(TT.begin(), TT.begin()+8) == "cellspu-"))
|
|
return 20;
|
|
|
|
return 0; // No match at all...
|
|
}
|
|
|
|
SPUTargetMachine::SPUTargetMachine(const Module &M, const std::string &FS)
|
|
: Subtarget(*this, M, FS),
|
|
DataLayout(Subtarget.getTargetDataString()),
|
|
InstrInfo(*this),
|
|
FrameInfo(*this),
|
|
TLInfo(*this),
|
|
InstrItins(Subtarget.getInstrItineraryData())
|
|
{
|
|
// For the time being, use static relocations, since there's really no
|
|
// support for PIC yet.
|
|
setRelocationModel(Reloc::Static);
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Pass Pipeline Configuration
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
bool
|
|
SPUTargetMachine::addInstSelector(PassManagerBase &PM, bool Fast)
|
|
{
|
|
// Install an instruction selector.
|
|
PM.add(createSPUISelDag(*this));
|
|
return false;
|
|
}
|
|
|
|
bool SPUTargetMachine::addAssemblyEmitter(PassManagerBase &PM, bool Fast,
|
|
raw_ostream &Out) {
|
|
PM.add(createSPUAsmPrinterPass(Out, *this));
|
|
return false;
|
|
}
|