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riscotargetmachine
2010 Oct 13
4
[LLVMdev] How to register a new LLVM backend
...to
generate a shared library for the backend (libLLVMRiscoCodeGen.so). I've
tried running: llc -load ./libLLVMRiscoCodeGen.so -march=risco, but the
target isn't recognized (it doesn't even appear in the llc -version output).
The main steps I did for registering the backend were:
- At RiscoTargetMachine.cpp:
extern "C" void LLVMInitializeRiscoTarget() {
// Register the target.
RegisterTargetMachine<RiscoTargetMachine> X(TheRiscoTarget);
RegisterAsmInfo<RiscoMCAsmInfo> A(TheRiscoTarget);
}
- At Risco.td:
def Risco : Target {
let InstructionSet = RiscoInstrInfo;
}...