[patch] MIPS64: Use non-trapping "daddu" in macro expansions
Ralf Baechle
ralf@uni-koblenz.de
Wed Jul 10 01:58:00 GMT 2002
On Thu, Jul 04, 2002 at 03:40:13PM +0200, Maciej W. Rozycki wrote:
> I believe it's incorrect to use "dadd" to calculate addresses as we don't
> handle overflow traps in any manner. That is strictly system-dependent
> and should be handled at the compiler level, anyway. I propose switching
> to "daddu".
The rationale behind this was to trap wraparounds of address between kernel
space and user space.
Ralf
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