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From: Richard Henderson <richard.henderson@linaro.org>
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Date: Mon, 15 Jan 2018 08:46:26 -0800
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Subject: Re: [Qemu-devel] [PATCH] tcg/arm: Fix double-word comparisons
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To: Peter Maydell <peter.maydell@linaro.org>, Richard Henderson <rth@twiddle.net>
Cc: Michael Roth <mdroth@linux.vnet.ibm.com>, Paolo Bonzini <pbonzini@redhat.com>, QEMU Developers <qemu-devel@nongnu.org>, David Gibson <david@gibson.dropbear.id.au>

On 01/15/2018 06:27 AM, Peter Maydell wrote:
> (may be worth mentioning
> in particular how "rIM" differs from "rINK" -- I think the answer is that
> we want to say "valid-immediate OR (valid-if-inverted AND valid-if-negated)",
> whereas 'rINK' is "valid-immediate OR valid-if-inverted OR valid-if-negated".)

I also just realized that N & K is only true for -256 thru -1.  Which is
certainly a simpler test to go with that verbiage.


r~