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Re: [tree-ssa] Copy prop into virtual operands
- From: Diego Novillo <dnovillo at redhat dot com>
- To: Jeff Law <law at redhat dot com>
- Cc: Andrew Macleod <amacleod at redhat dot com>, gcc-patches <gcc-patches at gcc dot gnu dot org>
- Date: 29 Jul 2003 11:37:55 -0400
- Subject: Re: [tree-ssa] Copy prop into virtual operands
- Organization: Red Hat Canada
- References: <200307291535.h6TFZ4Lr012046@speedy.slc.redhat.com>
On Tue, 2003-07-29 at 11:35, law@redhat.com wrote:
> >we won't register the tuple <a_2, '3'> in const_and_copies, correct?
> It shouldn't.
>
Good.
> This whole discussion is about a subtle point which I wasn't even sure
> could actually happen, it was a "what if..." scenario. If it can't happen,
> then we should be able to remove that check, or turn it into an
> ENABLE_CHECKING abort.
>
Not a bad idea.
Diego.