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[Bug rtl-optimization/52804] IRA/RELOAD allocate wrong register on ARM for cortex-m0
- From: "amker at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 04 May 2012 02:52:32 +0000
- Subject: [Bug rtl-optimization/52804] IRA/RELOAD allocate wrong register on ARM for cortex-m0
- Auto-submitted: auto-generated
- References: <bug-52804-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52804
--- Comment #3 from amker at gcc dot gnu.org 2012-05-04 02:52:32 UTC ---
Author: amker
Date: Fri May 4 02:52:27 2012
New Revision: 187139
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=187139
Log:
PR rtl-optimization/52804
* reload1.c (reload_reg_reaches_end_p): Check whether successor
reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
of current one with type RELOAD_FOR_INPADDR_ADDRESS.
Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
RELOAD_FOR_OUTADDR_ADDRESS.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/reload1.c