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Re: [RFC] Contributing tree-ssa to mainline

From: David Edelsohn <dje at watson dot ibm dot com>
To: Richard Guenther <rguenth at tat dot physik dot uni-tuebingen dot de>
Cc: Daniel Jacobowitz <drow at mvista dot com>, "gcc at gcc dot gnu dot org" <gcc at gcc dot gnu dot org>
Date: Sat, 17 Jan 2004 20:23:40 -0500
Subject: Re: [RFC] Contributing tree-ssa to mainline
References: <1074298740.3147.79.camel@frodo.toronto.redhat.com> <20040117192228.GA10154@nevyn.them.org> <Pine.LNX.4.58.0401172030080.2295@goofy>

>>>>> Richard Guenther writes:

Richard> I'd rather suggest to go for a "quick" 3.5 release with rtlopt and maybe
Richard> new-ra merged, because while 3.4 is of superior quality compared to 3.3
Richard> for me, it quite seriously regressed in resulting performance.  This is
Richard> mainly due to the new loop-unroller which is said to be "fixed" on rtlopt
Richard> branch.

	Other perfomance patches that do not depend on Tree-SSA include:
another GCSE performance patch from IBM Haifa that was considered too late
for GCC 3.4 and Modulo Scheduling (Software Pipelining).

David

References:
- [RFC] Contributing tree-ssa to mainline
  - From: Diego Novillo
- Re: [RFC] Contributing tree-ssa to mainline
  - From: Daniel Jacobowitz
- Re: [RFC] Contributing tree-ssa to mainline
  - From: Richard Guenther

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