On Tue, Nov 13, 2018 at 02:16:09PM +1030, Alan Modra wrote: > REGs are unique. This patch recognizes that fact, speeding up rs6000 > gcc infinitesimally. Bootstrapped etc. powerpc64le-linux. OK?
Ugh, looking over this old patch again, I don't see how I can claim that regs in pre_inc/pre_dec/pre_modify are unique. Patch withdrawn. -- Alan Modra Australia Development Lab, IBM