Reviewed Yao's patch for AND optimization. Some back on forth on the best way to tackle this problem.

LP:663939 - thumb2 constant loading - backported my patches to GCC 4.5 - awaiting review

LP:595479 - .eh_frame broken. - Discovered this problem had been fixed (with Thomas' patch) since August, and has also been fixed upstream, albeit with an alternative patch. Nothing to do here.

LP:641379 - bitfields poorly optimized. - analysed the problem. The code in cse.c that is supposed to fix this does not recognise the case. - created a patch and tested it for both GCC 4.6 and 4.5. - awaiting review

LP:674146 - dpkg segfault. - started looking at this, but Chung-Lin took it first.

While trying to reproduce lp:674146, I discovered that my IGEPv2 had a corrupted rootfs, again. I only fixed it last week, so I looked into it more deeply. It seems the SD card has developed at least one bad block. Reformatted, scanned and reinstalled the files from backup. I think the problem was caused by the daily apt package download (it was always those files that were corrupt), so I've disabled that. I've also disabled access-time-stamps. If it happens again I will have to consider using a different underlying filesystem format.

LP:643479 / CS Issue:8610 - Multiply and accumulate optimization - created patches for both issues. - both were machine description subtleties. - backported the patches to 4.5 - the patches apply and work fine, but ... - found an extra problem with redundant moves - awaiting review

GCC 4.6 - Created a new Launchpad series and branch to track GCC 4.6 development. - Set up the CS internal build config. - Tried to build the latest checkout and failed - glibc problem still unfixed - Jie has reported it now. - libquadmath build fails

Merged FSF GCC trunk (pre-4.5.2) into Linaro GCC 4.5 tree.

Merged the outstanding Launchpad merge requests into GCC 4.5. The testing showed regressions, so I backed out most of the merges and did them in smaller batches. Chung-Lin and Richard's patches passed the testing, so that leaves Yao's as the problem patch. I didn't get time to test this assertion this week.

---------------------------------- Next week: Vacation.