Ok for google branches. David
On Tue, Nov 22, 2011 at 1:06 PM, Teresa Johnson <tejohn...@google.com> wrote: > This patch is for google-main only. > Tested with bootstrap and regression tests. > Under LIPO, estimate the code size footprint from the partial call > graph, and if it is large limit unrolling and peeling to avoid > increasing icache pressure. > Teresa > > 2011-11-21 Teresa Johnson <tejohn...@google.com> > > * loop-unroll.c (loop_has_FP_comp): New function. > (limit_code_size): New function. > (unroll_and_peel_loops): Check if unrolling and/or peeling > should be disabled due to large code size estimates. > * common.opt (fripa-peel-size-limit): New option. > (fripa-unroll-size-limit): New option. > * tree-optimize.c (compute_codesize_estimate): New function. > (execute_cleanup_cfg_post_optimizing): Invoke > compute_codesize_estimate at the end of tree optimization. > * params.def (codesize-hotness-threshold): New parameter. > (unrollpeel-codesize-threshold): New parameter. > * doc/invoke.texi: Document the new options and parameters. > > > -- > Teresa Johnson | Software Engineer | tejohn...@google.com | 408-460-2413 >
