[Bug middle-end/48770] [4.7 Regression] wrong code with -O -fprofile-arcs -fPIC -fno-dce -fno-forward-propagate -fno-tree-forwprop
law at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Thu Jun 23 21:31:00 GMT 2011
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48770
--- Comment #7 from Jeffrey A. Law <law at gcc dot gnu.org> 2011-06-23 21:30:23 UTC ---
Author: law
Date: Thu Jun 23 21:30:20 2011
New Revision: 175353
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=175353
Log:
PR middle-end/48770
* reload.h (reload): Change to return a bool.
* ira.c (ira): If requested by reload, run a fast DCE pass after
reload has completed. Fix comment typo.
* reload1.c (need_dce): New file scoped static.
(reload): Set reload_completed here. Return whether or not a DCE
pass after reload is needed.
(delete_dead_insn): Set need_dce as needed.
PR middle-end/48770
* gcc.dg/pr48770.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/pr48770.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/ira.c
trunk/gcc/reload.h
trunk/gcc/reload1.c
trunk/gcc/testsuite/ChangeLog
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