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[Bug rtl-optimization/15927] THUMB -O2: strength-reduced iteration variable ends up off by 1
- From: "danfuzz at milk dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 21 Jun 2004 18:07:54 -0000
- Subject: [Bug rtl-optimization/15927] THUMB -O2: strength-reduced iteration variable ends up off by 1
- References: <20040611003443.15927.danfuzz@milk.com>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From danfuzz at milk dot com 2004-06-21 18:07 -------
Created an attachment (id=6595)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=6595&action=view)
annotated RTL dumps for m2.c
I believe I've managed to narrow down when the error gets introduced to after
local register allocation and perhaps during global register allocation.
Excerpts of -dl and -dg output with commentary are attached.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15927