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 9678fa50c81..ab8c03a1c50 100644 --- a/llvm/lib/Target/Mips/MipsSubtarget.cpp +++ b/llvm/lib/Target/Mips/MipsSubtarget.cpp @@ -58,6 +58,10 @@ Mips16ConstantIslands( cl::desc("MIPS: mips16 constant islands enable."), cl::init(true)); +static cl::opt<bool> +GPOpt("mgpopt", cl::Hidden, + cl::desc("MIPS: Enable gp-relative addressing of small data items")); + /// Select the Mips CPU for the given triple and cpu name. /// FIXME: Merge with the copy in MipsMCTargetDesc.cpp static StringRef selectMipsCPU(Triple TT, StringRef CPU) { @@ -171,10 +175,16 @@ MipsSubtarget::MipsSubtarget(const std::string &TT, const std::string &CPU, if (TT.find("linux") == std::string::npos) IsLinux = false; + if (NoABICalls && TM->getRelocationModel() == Reloc::PIC_) + report_fatal_error("position-independent code requires '-mabicalls'"); + // Set UseSmallSection. - // TODO: Investigate the IsLinux check. I suspect it's really checking for - // bare-metal. - UseSmallSection = !IsLinux && (TM->getRelocationModel() == Reloc::Static); + UseSmallSection = GPOpt; + if (!NoABICalls && GPOpt) { + errs() << "warning: cannot use small-data accesses for '-mabicalls'" + << "\n"; + UseSmallSection = false; + } } /// This overrides the PostRAScheduler bit in the SchedModel for any CPU. |
