GCC 4.2

[Mark Mitchell <mark at codesourcery dot com>]

I've reviewed the GCC 4.2 projects on the Wiki.

It certainly looks like some exciting stuff is in the pipeline.

For 4.2, I'm not going to try to be too fine-grained about scheduling
the individual projects; in 4.1, I don't think I added much value by
doing that.  Also, a lot of the project pages didn't have very precise
data about availability.

So, all I did here is separate them into Stage 1 and Stage 2
contributions.  Even then, I don't want to forbid things listed under
Stage 2 from going in under Stage 1, if the Stage 2 things are ready,
but let's give priority to the Stage 1 things.  I put things into Stage
1 that seemed either (a) most risky or (b) most ready.  I'll readily
concede that I may have miscategorized, and it's OK with me if people
just treat the categorization as an informal guideline.

Rather than try to make a fine-grained schedule, I'd like to ask that we
just try to cooperate with each other to avoid destabilizing the
mainline unduly, even through Stage 1.  In particular:

* Please announce major merges of new functionality 24 hours before the
actual merge

* Please allow 24 hours after a major merge before the next major merge

* Please refrain from a major merge if we're currently experiencing
serious stability problems that are being resolved from the previous merge.

As of now, we're in GCC 4.2 Stage 1!

==

Stage 1 Projects

  * Decimal Floating Point

  * GOMP: library, middle-end, C

  * IPA cleanups

  * Load partial redundancy elimination

  * New tree reassociation pass

  * Remove old loop optimizer

  * Section Anchor Optimisations

  * Sign Extension Removal

  * Support for IA-64 speculation

  * Vectorization Enhancements, Part 1

Stage 2 Projects

  * Array references on pointers

  * GOMP: C++, Fortran

  * Induction variable optimizations cleanups

  * IPA on SSA Form

  * Omega data dependence test

  * Record GCC command line switches in object files

  * Replacements for CSE path following

  * Replace backend dataflow

  * Response files

  * Sub-Target specific math routines library

  * Vectorization Enhancements, Parts 2 and onwards.

-- 
Mark Mitchell
CodeSourcery, LLC
mark@codesourcery.com
(916) 791-8304