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[Bug rtl-optimization/41862] [4.5 Regression] -fgcse-sm causes bootstrap comparison failures
- From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 3 Jan 2010 18:25:22 -0000
- Subject: [Bug rtl-optimization/41862] [4.5 Regression] -fgcse-sm causes bootstrap comparison failures
- References: <bug-41862-14164@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #14 from rguenth at gcc dot gnu dot org 2010-01-03 18:25 -------
It means that gcse-sm generates different code with -g vs. -g0 which likely
means that it is confused by the extra DEBUG_INSNs that appear with -g or
that its generated code depends on things like insn uids.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41862