On Thu, Sep 11, 2014 at 3:26 PM, Bernd Schmidt wrote: > nvptx will be the first port to use BImode and have STORE_FLAG_VALUE==-1. > That has exposed a bug in combine where we can end up calling > num_sign_bit_copies for a BImode value. However, the return value is always > 1 in that case, so it doesn't tell us anything and is going to be > misinterpreted by the caller. > > Bootstrapped and tested on x86_64-linux, together with the other patches. > Ok?
This should be handled in num_sign_bit_copies itself, i.e. handle BImode there. Ciao! Steven