llvm-6502/lib/Target/Alpha/AlphaSubtarget.cpp

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//===- AlphaSubtarget.cpp - Alpha Subtarget Information ---------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements the Alpha specific subclass of TargetSubtargetInfo.
//
//===----------------------------------------------------------------------===//
#include "AlphaSubtarget.h"
#include "Alpha.h"
#define GET_SUBTARGETINFO_TARGET_DESC
#define GET_SUBTARGETINFO_CTOR
#include "AlphaGenSubtargetInfo.inc"
using namespace llvm;
AlphaSubtarget::AlphaSubtarget(const std::string &TT, const std::string &CPU,
const std::string &FS)
: AlphaGenSubtargetInfo(TT, CPU, FS), HasCT(false) {
std::string CPUName = CPU;
if (CPUName.empty())
CPUName = "generic";
// Parse features string.
ParseSubtargetFeatures(CPUName, FS);
// Initialize scheduling itinerary for the specified CPU.
InstrItins = getInstrItineraryForCPU(CPUName);
}