#include "MipsSubtarget.h"
#include "Mips.h"
#include "MipsGenSubtarget.inc"
#include "llvm/Module.h"
#include "llvm/Support/CommandLine.h"
using namespace llvm;
static cl::opt<bool>
NotABICall("disable-mips-abicall", cl::Hidden,
cl::desc("Disable code for SVR4-style dynamic objects"));
static cl::opt<bool>
AbsoluteCall("enable-mips-absolute-call", cl::Hidden,
cl::desc("Enable absolute call within abicall"));
static cl::opt<unsigned>
SSThreshold("mips-ssection-threshold", cl::Hidden,
cl::desc("Small data and bss section threshold size (default=8)"),
cl::init(8));
MipsSubtarget::MipsSubtarget(const TargetMachine &TM, const Module &M,
const std::string &FS, bool little) :
MipsArchVersion(Mips1), MipsABI(O32), IsLittle(little), IsSingleFloat(false),
IsFP64bit(false), IsGP64bit(false), HasVFPU(false), HasABICall(true),
HasAbsoluteCall(false), IsLinux(true), HasSEInReg(false), HasCondMov(false),
HasMulDivAdd(false), HasMinMax(false), HasSwap(false), HasBitCount(false)
{
std::string CPU = "mips1";
ParseSubtargetFeatures(FS, CPU);
const std::string& TT = M.getTargetTriple();
SSectionThreshold = SSThreshold;
if (TT.find("linux") == std::string::npos)
IsLinux = false;
if (TT.find("mipsallegrex") != std::string::npos ||
TT.find("psp") != std::string::npos) {
MipsABI = EABI;
IsSingleFloat = true;
MipsArchVersion = Mips2;
HasVFPU = true; HasSEInReg = true;
HasBitCount = true;
HasSwap = true;
HasCondMov = true;
}
if (NotABICall || isABI_EABI() || (TM.getRelocationModel() == Reloc::Static))
HasABICall = false;
if (HasABICall && AbsoluteCall)
HasAbsoluteCall = true;
}