[Bug rtl-optimization/57786] wasted work in distribute_notes

Mon, 08 Jul 2013 02:16:43 -0700 

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57786

--- Comment #4 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
Author: ebotcazou
Date: Mon Jul  8 09:05:38 2013
New Revision: 200776

URL: http://gcc.gnu.org/viewcvs?rev=200776&root=gcc&view=rev
Log:
    PR rtl-optimization/57786
    * combine.c (distribute_notes) <case REG_DEAD>: Change all_used to bool
    and break out of the loop when it is set to false.

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

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