Messages in this thread | | | Date | Sun, 07 Jan 2007 00:26:02 -0500 | From | Jeff Garzik <> | Subject | Re: kernel + gcc 4.1 = several problems |
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Linus Torvalds wrote: > (That said, I think __builtin_memcpy() does a reasonable job these days > with gcc, and we might drop the crap one day when we can trust the > compiler to do ok. It didn't use to, and we continued using our > ridiculous macro/__builtin_constant_p misuses just because it works with > _all_ relevant gcc versions).
Yep, a ton of work by Roger Sayle, among others, really matured the gcc str*/mem* builtins in the 4.x series. They are definitely worth another look.
Jeff
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