tree 62522d36a81c14cc46b1db93766fc4f118d1dc95
parent 20022fa15f6a8ddc24a8f9d7d177312fecc7fb3a
author Richard Henderson <rth@twiddle.net> 1395153939 -0700
committer Richard Henderson <rth@twiddle.net> 1397865456 -0700

tcg: Mask shift quantities while folding

The TCG result would be undefined, but we can at least produce one
plausible result and avoid triggering the wrath of analysis tools.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>