On Mon, Jan 24, 2011 at 09:25:45AM -0800, John Reiser wrote: > Actually many of them should be using the new x86_32 software architecture, > which is the 64-bit instruction set (thus 16 "general" registers, SSE, ...) > but with integers, longs, and pointers all 32 bits. The upper 32 bits > of any user address are 0, and not stored in RAM (except the return address > of CALL.) This gives a measurable benefit on boxes with low RAM. Except that such a model is only barely supported in binutils, the support for it in gcc is pre-alpha state on a branch and there is no kernel nor glibc support. Jakub -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel
