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//===- SparcSubtarget.cpp - SPARC Subtarget Information -------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by Chris Lattner and is distributed under the
// University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements the SPARC specific subclass of TargetSubtarget.
//
//===----------------------------------------------------------------------===//
#include "SparcSubtarget.h"
#include "SparcGenSubtarget.inc"
using namespace llvm;
// FIXME: temporary.
#include "llvm/Support/CommandLine.h"
namespace {
cl::opt<bool> EnableV9("enable-sparc-v9-insts", cl::Hidden,
cl::desc("Enable V9 instructions in the V8 target"));
}
SparcSubtarget::SparcSubtarget(const Module &M, const std::string &FS) {
// Set the default features.
IsV9 = false;
V8DeprecatedInsts = false;
IsVIS = false;
// Determine default and user specified characteristics
std::string CPU = "generic";
// FIXME: autodetect host here!
CPU = "v9"; // What is a good way to detect V9?
// Parse features string.
ParseSubtargetFeatures(FS, CPU);
// Unless explicitly enabled, disable the V9 instructions.
if (!EnableV9)
IsV9 = false;
};
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