gardens point / lcc hybrid available

"gardens point C" is a hybrid of lcc and the gardens point backends.
A tree-walker traverses lcc's data structures emitting the "DCode" IR as
used by the gardens point compilers. This is a abstract stack machine form
similar to UCODE.


The dgen backends which are being made available are for Intel-386, and
use bottom up tree rewriting, SSA global common subexpression elimination
and graph coloring register allocators. We may make the SPARC and other
backends available later.


Here is what you get---
                ftp.fit.qut.edu.au in directory /pub/gpc


                gpc.README more description
                gpc.tar.gz v3.4 sources + modified files config.h, gen.c
                dgen.{freebsd,linuxaout,linuxelf,exe}.gz
                                                gzip binaries for our backends for intel/386
                                                for: FreeBSD, Linux/a.out, Linux/ELF, Cygnus/Win32
                                                respectively.
                dcode320.ps.gz latest reference document for the IR used (for
                                                those who are interested in how it all works)


The readme talks more about the backends, and includes some SPECINT92
figures for FreeBSD. Anyone out there that uses our Modula2 or Oberon2
compilers still needs to download dgen, since these dgen versions have
been modified to make them work with the irreducible flowgraphs which
programs with goto's can create.


Enjoy.


John


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Dean of Information Technology VOX: +61 7 3864-2781
Queensland University of Tech. Fax: +61 7 3864-1507
                                                                    http://www.dstc.qut.edu.au/~gough/


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