Path: utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!tut.cis.ohio-state.edu!zaphod.mps.ohio-state.edu!brutus.cs.uiuc.edu!jarthur!uci-ics!rfg
From: rfg@ics.uci.edu (Ronald Guilmette)
Newsgroups: gnu.gcc
Subject: Re: develoment tools for GCC hacking?  (RTL Reader?)
Keywords: RTL reader, development tools, GCC internals, dataflow, REG_NOTES
Message-ID: <25E8EB21.25973@paris.ics.uci.edu>
Date: 26 Feb 90 08:38:57 GMT
References: <1990Feb26.023313.28839@Neon.Stanford.EDU>
Reply-To: rfg@ics.uci.edu (Ronald Guilmette)
Distribution: gnu
Organization: UC Irvine Department of ICS
Lines: 16

In article <1990Feb26.023313.28839@Neon.Stanford.EDU> wilson@carcoar.Stanford.EDU (Paul Wilson) writes:
>
>Are there any tools available for mucking around the insides of GCC?
>For example, I'd like an RTL reader so that I can dump RTL, edit it
>by hand, load it back into GCC and continue compiling.
>
>This would be very handy for experimenting with dataflow, CSE, and the
>clever use of the REG_NOTES facility.

Well, you can certainly get RTL dumps, the problem is reading it back in.

I vaguely recall that somebody once claimed to be working on an "RTL-frontend"
for GCC, but I don't know what became of that project.  It would certainly
appaer to be a simple thing to build.

// rfg