[Bug rtl-optimization/48141] [4.4/4.5/4.6/4.7 Regression] DSE compile time hog
jakub at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Thu Mar 17 12:36:00 GMT 2011
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48141
--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-03-17 12:35:09 UTC ---
Author: jakub
Date: Thu Mar 17 12:35:04 2011
New Revision: 171089
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=171089
Log:
PR rtl-optimization/48141
* dse.c (record_store): If no positions are needed in an insn
that cannot be deleted, at least unchain it from active_local_stores.
* gcc.dg/pr48141.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/pr48141.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/dse.c
trunk/gcc/testsuite/ChangeLog
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