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2018 Jul 10
6
[RISCV][PIC] Lowering pseudo instructions in MCCodeEmitter vs AsmPrinter
...lower them in
AsmPrinter my understanding is that now I have to change them to
isCodegenOnly = 1 and then teach AsmParser to recognize them (I would need
to use the reloc model there too). Does this make sense?
Alternatively I was considering adding two new pseudos like RISCV::CALL_PLT
and RISCV::TAIL_PLT and also lower them at MCCodeEmitter. But this looks a
bit too bulky to me and I think I would still have the issue that the
"call" and "tail" pseudos in the assembler would need some extra magic
(i.e. when assembling a "call" pseudoinstruction with -fPIC) so they don&...