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[Bug middle-end/42722] move_by_pieces() incorrectly pushes structures to stack
- From: "mikpe at it dot uu dot se" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 30 Jan 2010 21:57:49 -0000
- Subject: [Bug middle-end/42722] move_by_pieces() incorrectly pushes structures to stack
- References: <bug-42722-18129@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #8 from mikpe at it dot uu dot se 2010-01-30 21:57 -------
(In reply to comment #7)
> (In reply to comment #6)
> > Doesn't work, an ARM gcc built with that modification ICEs while trying to
> > compile __muldi3() in libgcc2.c.
> You don't need libgcc to reproduce the problem. If gcc build has gone to this
> step, the xgcc/cc1/cc1plus were successfully built and can be called as
> "<your-gcc-build-directory>/gcc/xgcc". Just invoke cc1plus from the build/gcc
> directory directly:
> ./cc1plus -O2 test.cpp -o test.S
> The resulting .S file should be enough to see whether the problem is reproduced
> on ARM.
A known broken gcc cannot be used to prove or disprove a bug in gcc.
--
mikpe at it dot uu dot se changed:
What |Removed |Added
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CC|mikpe at it dot uu dot se |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42722