r181671 - in /branches/google/main/gcc: ChangeL...

[tejohnson at gcc dot gnu dot org]

Author: tejohnson
Date: Wed Nov 23 14:39:01 2011
New Revision: 181671

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=181671
Log:
        * 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.


Modified:
    branches/google/main/gcc/ChangeLog.google-main
    branches/google/main/gcc/common.opt
    branches/google/main/gcc/doc/invoke.texi
    branches/google/main/gcc/loop-unroll.c
    branches/google/main/gcc/params.def
    branches/google/main/gcc/tree-optimize.c