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2014 Jul 09
2
[LLVMdev] How to resolve decoding conflict?
...om the existing PPC backend. My first goal is to target a VLE only core and my strategy so far has been to mark my VLE instructions with a predicate to require VLE support from the sub target. Example: def HasVLE : Predicate<"PPCSubTarget->hasVLE()">, AssemblerPredicate<"FeatureVLE", "VLE Instruction set">; let Predicates = [HasVLE] in { If I have understood this correct the predicate will work for CodeGen and the assembler but not for the disassembler. This has worked for the instructions added up until now when I added an instruction whose encoding conf...