[Bug debug/59992] [4.9 Regression] Compilation of insn-recog.c too slow due to var-tracking

[aoliva at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59992

--- Comment #11 from Alexandre Oliva <aoliva at gcc dot gnu.org> ---
Author: aoliva
Date: Fri Feb 28 12:57:06 2014
New Revision: 208220

URL: http://gcc.gnu.org/viewcvs?rev=208220&root=gcc&view=rev
Log:
PR debug/59992
* cselib.c (remove_useless_values): Skip to avoid quadratic
behavior if the condition moved from...
(cselib_process_insn): ... here holds.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cselib.c