https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117081
--- Comment #9 from Hongtao Liu <liuhongt at gcc dot gnu.org> --- (In reply to Hongtao Liu from comment #8) > (In reply to H.J. Lu from comment #7) > > Created attachment 60350 [details] > > ira: Don't increase callee-saved register cost by 1000x > > NOTE, r15-1619-g3b9b8d6cfdf593 improved 500.perlbench_r on many different > platforms, let me help verify the patch with SPEC2017. There're 5% regression on alderlake for 511.povray_r. With the patch, there're more PUSH/POPs for callee saved registers.(Those PUSH/POPs have been eliminated by r15-1619-g3b9b8d6cfdf593)
