// Mips Subtarget features //
//===----------------------------------------------------------------------===//
+def FeatureABICalls : SubtargetFeature<"abicalls", "IsABICalls", "true",
+ "SVR4-style position-independent code.">;
def FeatureGP64Bit : SubtargetFeature<"gp64", "IsGP64bit", "true",
"General Purpose Registers are 64-bit wide.">;
def FeatureFP64Bit : SubtargetFeature<"fp64", "IsFP64bit", "true",
for (unsigned I = 0; I < array_lengthof(ReservedGPR64); ++I)
Reserved.set(ReservedGPR64[I]);
+ // For mno-abicalls, GP is a program invariant!
+ if (!Subtarget.isABICalls()) {
+ Reserved.set(Mips::GP);
+ Reserved.set(Mips::GP_64);
+ }
+
if (Subtarget.isFP64bit()) {
// Reserve all registers in AFGR64.
for (RegIter Reg = Mips::AFGR64RegClass.begin(),
MipsTargetMachine *_TM)
: MipsGenSubtargetInfo(TT, CPU, FS), MipsArchVersion(Mips32),
MipsABI(UnknownABI), IsLittle(little), IsSingleFloat(false),
- IsFPXX(false), IsFP64bit(false), UseOddSPReg(true), IsNaN2008bit(false),
- IsGP64bit(false), HasVFPU(false), HasCnMips(false), IsLinux(true),
- HasMips3_32(false), HasMips3_32r2(false), HasMips4_32(false),
- HasMips4_32r2(false), HasMips5_32r2(false), InMips16Mode(false),
- InMips16HardFloat(Mips16HardFloat), InMicroMipsMode(false), HasDSP(false),
- HasDSPR2(false), AllowMixed16_32(Mixed16_32 | Mips_Os16), Os16(Mips_Os16),
+ IsFPXX(false), IsABICalls(true), IsFP64bit(false), UseOddSPReg(true),
+ IsNaN2008bit(false), IsGP64bit(false), HasVFPU(false), HasCnMips(false),
+ IsLinux(true), HasMips3_32(false), HasMips3_32r2(false),
+ HasMips4_32(false), HasMips4_32r2(false), HasMips5_32r2(false),
+ InMips16Mode(false), InMips16HardFloat(Mips16HardFloat),
+ InMicroMipsMode(false), HasDSP(false), HasDSPR2(false),
+ AllowMixed16_32(Mixed16_32 | Mips_Os16), Os16(Mips_Os16),
HasMSA(false), TM(_TM), TargetTriple(TT),
DL(computeDataLayout(initializeSubtargetDependencies(CPU, FS, TM))),
TSInfo(DL), JITInfo(), InstrInfo(MipsInstrInfo::create(*this)),
// IsFPXX - MIPS O32 modeless ABI.
bool IsFPXX;
+ // IsABICalls - SVR4-style position-independent code.
+ bool IsABICalls;
+
// IsFP64bit - The target processor has 64-bit floating point registers.
bool IsFP64bit;
bool hasCnMips() const { return HasCnMips; }
bool isLittle() const { return IsLittle; }
+ bool isABICalls() const { return IsABICalls; }
bool isFPXX() const { return IsFPXX; }
bool isFP64bit() const { return IsFP64bit; }
bool useOddSPReg() const { return UseOddSPReg; }