Messages in this thread | | | Date | Wed, 18 Feb 2004 05:04:57 +0000 | From | viro@parcelfa ... | Subject | Re: [PATCH][2.6] IBM PowerPC Virtual Ethernet Driver |
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On Tue, Feb 17, 2004 at 08:46:52PM -0800, Linus Torvalds wrote: > > ago. Any assumptions regarding their allocation are non-portable. > > Well, to be fair, most compilers still aim to make them useful. > > There's a difference between "the standard doesn't guarantee anything" and > "the implementation makes no sense". > > (Sadly, a lot of compiler people do seem to look to standards more than > actual users for guides to do things, but at the same time I do believe > that gcc has useful semantics for bitfields and hardware accesses. You > just have to know what the implementation-specific rules are)
True. However, most of the bitfield uses I've seen would become much cleaner from rewrite to explicit mask-and-shift stuff. - 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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