[Bug tree-optimization/52285] [4.7 Regression] libgcrypt _gcry_burn_stack slowdown

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52285

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-02-16 
22:20:31 UTC ---
Author: jakub
Date: Thu Feb 16 22:20:27 2012
New Revision: 184317

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=184317
Log:
    PR tree-optimization/52285
    * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
    when deciding if a call is a tail call or tail recursion.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-tailcall.c