Summary: * Benchmark tests for branch cost.

Details: 1. Start branch cost tuning blueprint for A-profile (https://launchpad.net/gcc-linaro/+spec/gcc-linaro-improve-condexec). 2. Update Linaro crosstool-ng to support 2012.11 release. 3. RM toolchain related work.

Leaves: * Nov. 12-13: Annual leaves

Plans: * Collect performance data for different branch cost. * Prepare Linaro binary toolchain 2012.11 release

Best regards! -Zhenqiang