On 01.06.2010, at 10:36, Andreas Schwab wrote: > Paul Mackerras <pau...@samba.org> writes: > >> I re-read the relevant part of the PowerPC architecture spec >> yesterday, and it seems pretty clear that the FPSCR doesn't affect the >> behaviour of lfs and stfs, and is not affected by them. So in fact 4 >> out of the 7 instructions in each of those procedures are unnecessary >> (and similarly for the cvt_fd/df used in the alignment fixup code). > > I'd prefer to have this deferred to a separate patch.
I agree. Andreas' patch takes the current logic and moves it to be KVM contained, so we don't clutter the stack. The fact that the old code was inefficient is a separate story. Avi / Marcelo, please apply the patch nevertheless. Alex _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
