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[Bug rtl-optimization/54540] [4.8 regression] postreload incorrectly simplifies stack adjustment into constant load into SP
- From: "rearnsha at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 14 Sep 2012 17:10:53 +0000
- Subject: [Bug rtl-optimization/54540] [4.8 regression] postreload incorrectly simplifies stack adjustment into constant load into SP
- Auto-submitted: auto-generated
- References: <bug-54540-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54540
--- Comment #3 from Richard Earnshaw <rearnsha at gcc dot gnu.org> 2012-09-14 17:10:53 UTC ---
Author: rearnsha
Date: Fri Sep 14 17:10:45 2012
New Revision: 191307
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=191307
Log:
PR target/54516
PR rtl-optimization/54540
* reload.c (find_dummy_reload): Don't use OUT as a reload reg
for IN if it overlaps a fixed register.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/reload.c