diff options
Diffstat (limited to 'llvm/lib/Target/Mips/MipsSubtarget.cpp')
| -rw-r--r-- | llvm/lib/Target/Mips/MipsSubtarget.cpp | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/llvm/lib/Target/Mips/MipsSubtarget.cpp b/llvm/lib/Target/Mips/MipsSubtarget.cpp index cbc2ef79e4f..2dc70e2b5b5 100644 --- a/llvm/lib/Target/Mips/MipsSubtarget.cpp +++ b/llvm/lib/Target/Mips/MipsSubtarget.cpp @@ -76,9 +76,10 @@ MipsSubtarget::MipsSubtarget(const Triple &TT, StringRef CPU, StringRef FS, HasDSPR2(false), HasDSPR3(false), AllowMixed16_32(Mixed16_32 | Mips_Os16), Os16(Mips_Os16), HasMSA(false), UseTCCInDIV(false), HasSym32(false), HasEVA(false), DisableMadd4(false), HasMT(false), - StackAlignOverride(StackAlignOverride), TM(TM), TargetTriple(TT), - TSInfo(), InstrInfo(MipsInstrInfo::create( - initializeSubtargetDependencies(CPU, FS, TM))), + UseIndirectJumpsHazard(false), StackAlignOverride(StackAlignOverride), + TM(TM), TargetTriple(TT), TSInfo(), + InstrInfo( + MipsInstrInfo::create(initializeSubtargetDependencies(CPU, FS, TM))), FrameLowering(MipsFrameLowering::create(*this)), TLInfo(MipsTargetLowering::create(TM, *this)) { @@ -111,6 +112,15 @@ MipsSubtarget::MipsSubtarget(const Triple &TT, StringRef CPU, StringRef FS, if (hasMips64r6() && InMicroMipsMode) report_fatal_error("microMIPS64R6 is not supported", false); + + if (UseIndirectJumpsHazard) { + if (InMicroMipsMode) + report_fatal_error( + "cannot combine indirect jumps with hazard barriers and microMIPS"); + if (!hasMips32r2()) + report_fatal_error( + "indirect jumps with hazard barriers requires MIPS32R2 or later"); + } if (hasMips32r6()) { StringRef ISA = hasMips64r6() ? "MIPS64r6" : "MIPS32r6"; |
