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> I am concerned about my ability to work on this problem, since I don't > have access to the hardware involved, and I am finding it very time > consuming. Time I spend on this problem is time I can't spend on > reviewing patches sent to gcc-patches. > > I think the next step here is testing of my latest patch. We need > performance testing which I can't do. We also need some execution > testing to see if it fixes the bugs 9745 and 10021. I could do 9745 by > building an uberbaum cross compiler, but that will take a lot of time. > It would be faster if someone else could do this for me. If this patch > works, then I think this is safe for the 3.3.1 branch and then we can > close the two PRs. We still have long term issues with > loop_regs_update/record_base_value which will effect performance and > possibly also correctness. I tested it against my testcase for 10021 on powerpc-linux with current gcc 3.3 branch + your loop patch. The loop patch attached to your mail compiled with -O2 does not change the assembler output and does not fix the testcase in 10021. Ciao, Marcus
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