[Bug debug/54402] [4.8 Regression] var-tracking does not scale

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54402



--- Comment #26 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-01-03 
08:52:17 UTC ---

Author: jakub

Date: Thu Jan  3 08:52:10 2013

New Revision: 194834



URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=194834

Log:

    PR debug/54402

    * params.def (PARAM_MAX_VARTRACK_REVERSE_OP_SIZE): New param.

    * var-tracking.c (reverse_op): Don't add reverse ops to

    VALUEs that have already

    PARAM_VALUE (PARAM_MAX_VARTRACK_REVERSE_OP_SIZE) or longer

    locs list.



Modified:

    trunk/gcc/ChangeLog

    trunk/gcc/params.def

    trunk/gcc/var-tracking.c