diff options
Diffstat (limited to 'contrib/llvm/lib/Target/Sparc/MCTargetDesc/SparcMCTargetDesc.cpp')
| -rw-r--r-- | contrib/llvm/lib/Target/Sparc/MCTargetDesc/SparcMCTargetDesc.cpp | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/contrib/llvm/lib/Target/Sparc/MCTargetDesc/SparcMCTargetDesc.cpp b/contrib/llvm/lib/Target/Sparc/MCTargetDesc/SparcMCTargetDesc.cpp index 7fdb0c3..1c64e1b 100644 --- a/contrib/llvm/lib/Target/Sparc/MCTargetDesc/SparcMCTargetDesc.cpp +++ b/contrib/llvm/lib/Target/Sparc/MCTargetDesc/SparcMCTargetDesc.cpp @@ -50,14 +50,42 @@ static MCSubtargetInfo *createSparcMCSubtargetInfo(StringRef TT, StringRef CPU, return X; } +// Code models. Some only make sense for 64-bit code. +// +// SunCC Reloc CodeModel Constraints +// abs32 Static Small text+data+bss linked below 2^32 bytes +// abs44 Static Medium text+data+bss linked below 2^44 bytes +// abs64 Static Large text smaller than 2^31 bytes +// pic13 PIC_ Small GOT < 2^13 bytes +// pic32 PIC_ Medium GOT < 2^32 bytes +// +// All code models require that the text segment is smaller than 2GB. + static MCCodeGenInfo *createSparcMCCodeGenInfo(StringRef TT, Reloc::Model RM, CodeModel::Model CM, CodeGenOpt::Level OL) { MCCodeGenInfo *X = new MCCodeGenInfo(); + + // The default 32-bit code model is abs32/pic32. + if (CM == CodeModel::Default) + CM = RM == Reloc::PIC_ ? CodeModel::Medium : CodeModel::Small; + X->InitMCCodeGenInfo(RM, CM, OL); return X; } +static MCCodeGenInfo *createSparcV9MCCodeGenInfo(StringRef TT, Reloc::Model RM, + CodeModel::Model CM, + CodeGenOpt::Level OL) { + MCCodeGenInfo *X = new MCCodeGenInfo(); + + // The default 64-bit code model is abs44/pic32. + if (CM == CodeModel::Default) + CM = CodeModel::Medium; + + X->InitMCCodeGenInfo(RM, CM, OL); + return X; +} extern "C" void LLVMInitializeSparcTargetMC() { // Register the MC asm info. RegisterMCAsmInfo<SparcELFMCAsmInfo> X(TheSparcTarget); @@ -67,7 +95,7 @@ extern "C" void LLVMInitializeSparcTargetMC() { TargetRegistry::RegisterMCCodeGenInfo(TheSparcTarget, createSparcMCCodeGenInfo); TargetRegistry::RegisterMCCodeGenInfo(TheSparcV9Target, - createSparcMCCodeGenInfo); + createSparcV9MCCodeGenInfo); // Register the MC instruction info. TargetRegistry::RegisterMCInstrInfo(TheSparcTarget, createSparcMCInstrInfo); |
