Messages in this thread | | | Date | Thu, 27 Feb 2003 15:35:12 -0500 | From | Daniel Jacobowitz <> | Subject | Re: Invalid compilation without -fno-strict-aliasing |
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On Thu, Feb 27, 2003 at 12:00:46PM -0800, Linus Torvalds wrote: > > On Thu, 27 Feb 2003, Daniel Jacobowitz wrote: > > > > > > My personal opinion is (and was several years ago when this started > > > coming up) that a cast (any cast) should do it. But I don't are _what_ > > > it is, as long as it is syntactically sane and isn't limited to special > > > cases like unions. > > > > Well, if that's all you're asking for, it's easy - I don't know if > > you'll agree that the syntax is sane, but it's there. From the GCC 3.3 > > manual: > > > > `may_alias' > > Halleluja. It still leaves us with all other compilers unaccounted for, > but yes, this will allow fixing the problem for us in the future. > > Too bad the current gcc-3.3 is apparently not useful for the kernel for > other reasons right now (ie the inlining issue which is being discussed on > the gcc lists, and that annoying sign warning), but that may well be > resolved by the time it gets released.
We could work around both of these: disable the sign compare warning, and use check_gcc to set a high number for -finline-limit...
-- Daniel Jacobowitz MontaVista Software Debian GNU/Linux Developer - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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