[Bug target/46878] V850 ICE in in maybe_add_or_update_dep_1, at sched-deps.c:854

["law at redhat dot com" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46878

--- Comment #13 from Jeffrey A. Law <law at redhat dot com> 2011-01-22 00:42:52 UTC ---
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On 01/21/11 17:38, dj at redhat dot com wrote:
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46878
> 
> --- Comment #11 from DJ Delorie <dj at redhat dot com> 2011-01-22 00:37:35 UTC ---
> I set a breakpoint on the delete of that insn; at that time, the following insn
> did not have the /S set on it.  At the time when the /S is added, the previous
> insn had already been deleted.  So, it's delete first, set /s second, crash
> third.
OK.  That means one of two things.   Either the comparison shouldn't
have been deleted or we shouldn't have added SCHED_GROUP_P to the setcc.

> 
> And it's not the setcc that's delted, it's the (compare) before it.  The setcc
> is the one with the /s on it.
I know.

Jeff

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