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Analyzing Optimization: What's New in 3.4?
- From: Scott Robert Ladd <coyote at coyotegulch dot com>
- To: gcc mailing list <gcc at gcc dot gnu dot org>
- Date: Mon, 11 Aug 2003 16:16:32 -0400
- Subject: Analyzing Optimization: What's New in 3.4?
I've just run some analyses of C and C++ optimization in gcc 3.4
(20030806). Given my use of a 3.4 snapshot, I added the -funit-at-a-time
option to my analysis. Before presenting my results, I hope to receive
answers to a couple of questions.
What else is new in 3.4 that I should be aware of?
I note that the SSA switches are still listed as "experimental"; does
anyone recommend that I include those switches in my analysis or not?
What about -fnew-ra, -ftracer, and other options rarely discussed (and
probably unknown to most gcc users)?
It would be quite helpful if future documentation listed the default
values for the various --param switches; such values can often be
difficult to discern in the source code.
Thank you in advance.
--
Scott Robert Ladd
Coyote Gulch Productions (http://www.coyotegulch.com)
Software Invention for High-Performance Computing