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[Bug rtl-optimization/39077] [4.3/4.4/4.5/4.6 Regression] GCSE-optimization causes enormous binary size increase (~20 times !)
- From: "law at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 13 Jan 2011 13:41:33 +0000
- Subject: [Bug rtl-optimization/39077] [4.3/4.4/4.5/4.6 Regression] GCSE-optimization causes enormous binary size increase (~20 times !)
- Auto-submitted: auto-generated
- References: <bug-39077-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39077
--- Comment #21 from Jeffrey A. Law <law at gcc dot gnu.org> 2011-01-13 13:41:09 UTC ---
Author: law
Date: Thu Jan 13 13:41:03 2011
New Revision: 168747
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=168747
Log:
* PR rtl-optimization/39077
* doc/invoke.texi (max-gcse-insertion-ratio): Document.
* params.h (MAX_GCSE_INSERTION_RATIO): Define.
* params.def (PARAM_MAX_GCSE_INSERTION_RATIO): Define.
* lcm.c (pre_edge_lcm): Properly initialize output sbitmaps.
* gcse.c (prune_insertions_deletions): New function.
(compute_pre_data): Use it.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/doc/invoke.texi
trunk/gcc/gcse.c
trunk/gcc/lcm.c
trunk/gcc/params.def
trunk/gcc/params.h