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[Bug tree-optimization/26251] [4.2 Regression] code size increase with -Os
- From: "sayle at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 3 Jul 2006 14:35:21 -0000
- Subject: [Bug tree-optimization/26251] [4.2 Regression] code size increase with -Os
- References: <bug-26251-1008@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #7 from sayle at gcc dot gnu dot org 2006-07-03 14:35 -------
Subject: Bug 26251
Author: sayle
Date: Mon Jul 3 14:35:13 2006
New Revision: 115150
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=115150
Log:
PR tree-optimization/26251
* tree-ssa-threadupdate.c (redirection_block_p): New function.
(thread_block): When optimizing for size refuse to thread jumps
that would require duplication of blocks other than redirection
blocks.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/tree-ssa-threadupdate.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26251