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Re: long long / long long
- To: pfk at fuchs dot offl dot uni-jena dot de (Frank Klemm)
- Subject: Re: long long / long long
- From: Joe Buck <jbuck at synopsys dot COM>
- Date: Sun, 9 Sep 2001 21:51:00 -0700 (PDT)
- Cc: jh at suse dot cz (Jan Hubicka), gcc at gcc dot gnu dot org
Frank Klemm writes:
[ improved long long code sequences]
>
> Interested? Or are 64 bit are uninteresting for benchmarks?
Well, the Linux kernel developers found that they couldn't let gcc
do long long arithmetic because it did such a poor job, so they do
it in assembly or in C on pairs of 32 bit values instead. So at
least some folks probably wouldn't mind seeing an improvement.