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[Bug rtl-optimization/47166] [4.5 Regression] SpecCpu2000 Ammp segfaults for ARM with -O3 -mthumb
- From: "bernds at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 11 Feb 2011 16:03:57 +0000
- Subject: [Bug rtl-optimization/47166] [4.5 Regression] SpecCpu2000 Ammp segfaults for ARM with -O3 -mthumb
- Auto-submitted: auto-generated
- References: <bug-47166-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47166
--- Comment #28 from Bernd Schmidt <bernds at gcc dot gnu.org> 2011-02-11 16:01:24 UTC ---
Author: bernds
Date: Fri Feb 11 16:01:19 2011
New Revision: 170053
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=170053
Log:
PR rtl-optimization/47166
* reload1.c (emit_reload_insns): Disable the spill_reg_store
mechanism for PRE_MODIFY and POST_MODIFY.
(inc_for_reload): For PRE_MODIFY, return the insn that sets the
reloadreg.
Modified:
branches/gcc-4_5-branch/gcc/ChangeLog
branches/gcc-4_5-branch/gcc/reload1.c