On Tue, Oct 14, 2014 at 9:43 AM, Jeff Law <l...@redhat.com> wrote: > > RA improvements are the way to go -- however, my understanding is that > overall the code is better now than it was before Intel's changes, so I > don't consider the performance side as a blocker for this code. >
The new approach improves PIC code quality in functions where there no frequent GOT access and extra register helps. For ld.so and libc.so from glibc build, we use 2 registers to access GOT instead of one register which may lead to lower performance in shared libraries. -- H.J.