[Activity] Week 13

[Zhenqiang Chen]

Summary:
* Linaro binary toolchain 2012.03 release.
* Investigate relocatable NLS support.
* Code size benchmark analysis.

Details:
1. Linaro binary toolchain 2012.03 release.
  * Bump and spawn 2012.02-20120326 build.
  * Validate the release candidate.
  * Update wiki for binary build tasks.
2. Investigate relocatable NLS support: lp:918926.
  * Root cause: gcc and binutils use a fixed LOCALEDIR (which is
$prefix/share/locale) to call bindtextdomain.
  * Workout a reference patch for gcc to use relative dir
(.../bin/../share/locale) to call bindtextdomain.
3. Code size benchmark analysis with -Os
  * Collect code size benchmark data.
  * In most cases, gcc 4.7 gets better result than gcc 4.6.
  * Investigate regression in several small cases.
4. Read the tree and rtl dump files to learn the optimizations and
impacts on code size.

Plans:
* Fix lp:918926.
* Investigate code size regression in gcc 4.7.
* Tuning optimization heuristics for -Os.

Planed leaves:
* April 2 - 4: Chinese Qingming Festival.
* April 9 - 11: Vacations

Best regards!
-Zhenqiang