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Re: [RFC] Contributing tree-ssa to mainline
- From: law at redhat dot com
- To: Diego Novillo <dnovillo at redhat dot com>
- Cc: "Joseph S. Myers" <jsm at polyomino dot org dot uk>, Gerald Pfeifer <gp at suse dot de>, "gcc at gcc dot gnu dot org" <gcc at gcc dot gnu dot org>
- Date: Fri, 16 Jan 2004 23:13:46 -0700
- Subject: Re: [RFC] Contributing tree-ssa to mainline
- Reply-to: law at redhat dot com
In message <1074313953.5368.4.camel@frodo.toronto.redhat.com>, Diego Novillo wr
ites:
>On Fri, 2004-01-16 at 20:02, Joseph S. Myers wrote:
>
>> How does compile-time performance compare to mainline?
>>
>Bootstrap times are ~2% slower than mainline. In the daily SPEC runs,
>you will notice a mix. Most of the time the branch is faster than
>mainline.
>
>http://people.redhat.com/dnovillo/spec2000/tree-ssa-branch/individual-build-s
>ecs_elapsed.html
>
>
>> I take it you believe that all the coding conventions are properly
>> followed on tree-ssa? For example, all command-line options added are
>> documented, including the details of what is enabled at what -O levels
>> (listed both under the options themselves and under the -O options);
>>
>Yes.
Err, no they aren't. For example we have a host of -f options which control
debugging dumps rather than code generation. That's wrong.
Jeff