On Wed, 18 Nov 2020, Jakub Jelinek via Gcc-patches wrote: > Hi! > > Reposting with self-contained description per Joseph's request: > > Honza mentioned that especially for the new param machinery, most of > streamed values are probably going to be the default values. Perhaps > somehow we could stream them more effectively. > > This patch implements it and brings further savings, the size > goes down from 574 bytes to 273 bytes, i.e. less than half. > Not trying to handle enums because the code doesn't know if (enum ...) 10 > is even valid, similarly non-parameters because those really generally > don't have large initializers, and params without Init (those are 0 > initialized and thus don't need to be handled). > > Bootstrapped/regtested again on x86_64-linux and i686-linux, ok for trunk? > > 2020-11-18 Jakub Jelinek <ja...@redhat.com> > > * optc-save-gen.awk: Initialize var_opt_init. In > cl_optimization_stream_out for params with default values larger than > 10, xor the default value with the actual parameter value. In > cl_optimization_stream_in repeat the above xor.
OK. -- Joseph S. Myers jos...@codesourcery.com
