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[Bug rtl-optimization/52148] [4.7 regression] ICE: in spill_failure, at reload1.c:2120
- From: "gjl at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 17 Feb 2012 12:18:28 +0000
- Subject: [Bug rtl-optimization/52148] [4.7 regression] ICE: in spill_failure, at reload1.c:2120
- Auto-submitted: auto-generated
- References: <bug-52148-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52148
Georg-Johann Lay <gjl at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |FIXME
--- Comment #2 from Georg-Johann Lay <gjl at gcc dot gnu.org> 2012-02-17 12:18:28 UTC ---
There is already FIXME comment in avr.c:avr_emit_movmemhi that register
allocator is likely to ICE with spill fail. momvmemhi must use Z and X
regsiters and there is no freedom for the allocator.