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[Bug rtl-optimization/52573] [4.5/4.6/4.7/4.8 regression] regrename creates overlapping register allocations for output operands
- From: "schwab at linux-m68k dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 14 Mar 2012 10:45:43 +0000
- Subject: [Bug rtl-optimization/52573] [4.5/4.6/4.7/4.8 regression] regrename creates overlapping register allocations for output operands
- Auto-submitted: auto-generated
- References: <bug-52573-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52573
Andreas Schwab <schwab@linux-m68k.org> changed:
What |Removed |Added
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CC| |bernds at gcc dot gnu.org
--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> 2012-03-14 10:45:43 UTC ---
7197e17802ace9fc937f5b58f171a3711920b0dd is the first bad commit
commit 7197e17802ace9fc937f5b58f171a3711920b0dd
Author: bernds <bernds@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Thu Nov 26 21:41:42 2009 +0000
PR rtl-opt/38582
* regrename.c (struct du_head): New members id, conflicts,
hard_conflicts and cannot_rename.