[Bug rtl-optimization/55489] [4.7/4.8 regression] insane PRE memory usage with PIE (translate.i)

[bonzini at gnu dot org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55489



--- Comment #3 from Paolo Bonzini <bonzini at gnu dot org> 2012-11-27 20:29:24 
UTC ---

Author: bonzini

Date: Tue Nov 27 20:29:15 2012

New Revision: 193868



URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=193868

Log:

2012-11-27  Paolo Bonzini  <pbonz...@redhat.com>



    PR rtl-optimization/55489

    * gcse.c (compute_transp): Precompute a canonical version

    of XEXP (x, 0), and pass it to canon_true_dependence.



    * alias.c (init_alias_analysis): Fix allocation of reg_known_value.





Modified:

    trunk/gcc/ChangeLog

    trunk/gcc/alias.c

    trunk/gcc/gcse.c