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Re: .def files for insn and reg notes
- From: Eric Botcazou <ebotcazou at libertysurf dot fr>
- To: Zack Weinberg <zack at codesourcery dot com>
- Cc: Graham Stott <graham dot stott at btinternet dot com>,gcc-patches at gcc dot gnu dot org
- Date: Mon, 20 Sep 2004 20:13:15 +0200
- Subject: Re: .def files for insn and reg notes
- References: <87d61onkqk.fsf@codesourcery.com> <414EA39A.2060903@btinternet.com> <871xgx54ig.fsf@codesourcery.com>
> So how about I fix print-rtl.c, and I also add REG_DEP_TRUE to
> reg-notes.def with value 0? Then the middle and backends can be
> incrementally mutated to use REG_DEP_TRUE instead of 0 or VOIDmode.
Would it not be dangerous to (temporarily) have 3 symbols to represent the
same thing? I initially thought that the fix would boil down to updating
print-rtl.c, but Graham demonstrated it's more serious. What about only
shifting back the enumeration and letting Graham write a complete patch?
--
Eric Botcazou