On 09/17/2012 02:43 AM, Peter Maydell wrote: > The TCG shift operations are undefined behaviour (not merely > undefined result) if the shift is >= 32, so we must avoid > doing that even if we're going to throw away the answer.
I don't think that ought to be true. In particular, I've just posted a patch to cure the Sparc TCG backend from producing an illegal insn in the face of a shift with a count of 64. I'd much rather we simply had an undefined result. r~
