: MipsGenSubtargetInfo(TT, CPU, FS), MipsArchVersion(Mips32),
MipsABI(UnknownABI), IsLittle(little), IsSingleFloat(false),
IsFP64bit(false), IsNaN2008bit(false), IsGP64bit(false), HasVFPU(false),
- HasCnMips(false), IsLinux(true), HasSEInReg(false), HasCondMov(false),
- HasSwap(false), HasBitCount(false), HasFPIdx(false), InMips16Mode(false),
- InMips16HardFloat(Mips16HardFloat), InMicroMipsMode(false), HasDSP(false),
- HasDSPR2(false), AllowMixed16_32(Mixed16_32 | Mips_Os16), Os16(Mips_Os16),
- HasMSA(false), RM(_RM), OverrideMode(NoOverride), TM(_TM),
- TargetTriple(TT) {
+ 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),
+ RM(_RM), OverrideMode(NoOverride), TM(_TM), TargetTriple(TT) {
std::string CPUName = CPU;
CPUName = selectMipsCPU(TT, CPUName);
// Initialize scheduling itinerary for the specified CPU.
InstrItins = getInstrItineraryForCPU(CPUName);
+ // Don't even attempt to generate code for MIPS-I, MIPS-II, MIPS-III, and
+ // MIPS-V. They have not been tested and currently exist for the integrated
+ // assembler only.
+ if (MipsArchVersion == Mips1)
+ report_fatal_error("Code generation for MIPS-I is not implemented", false);
+ if (MipsArchVersion == Mips2)
+ report_fatal_error("Code generation for MIPS-II is not implemented", false);
+ if (MipsArchVersion == Mips3)
+ report_fatal_error("Code generation for MIPS-III is not implemented",
+ false);
+ if (MipsArchVersion == Mips5)
+ report_fatal_error("Code generation for MIPS-V is not implemented", false);
+
// Assert exactly one ABI was chosen.
assert(MipsABI != UnknownABI);
assert((((getFeatureBits() & Mips::FeatureO32) != 0) +
"See -mattr=+fp64.",
false);
+ if (hasMips32r6()) {
+ StringRef ISA = hasMips64r6() ? "MIPS64r6" : "MIPS32r6";
+
+ assert(isFP64bit());
+ assert(isNaN2008());
+ if (hasDSP())
+ report_fatal_error(ISA + " is not compatible with the DSP ASE", false);
+ }
+
// Is the target system Linux ?
if (TT.find("linux") == std::string::npos)
IsLinux = false;
// TODO: Investigate the IsLinux check. I suspect it's really checking for
// bare-metal.
UseSmallSection = !IsLinux && (RM == Reloc::Static);
- // set some subtarget specific features
- if (inMips16Mode())
- HasBitCount=false;
}
bool