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[Bug target/69416] [6 Regression] Nonsense rtl checking failure
- From: "wdijkstr at arm dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 21 Jan 2016 20:29:35 +0000
- Subject: [Bug target/69416] [6 Regression] Nonsense rtl checking failure
- Auto-submitted: auto-generated
- References: <bug-69416-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69416
--- Comment #6 from Wilco <wdijkstr at arm dot com> ---
(In reply to Andrew Pinski from comment #4)
> Actually I think the problem is (const_int 8 [0x8]) does that make sense
> for CC mode? I don't think it does.
It should make sense as a CCmode immediate. It relies on CCmode being treated
as an opaque type rather than an integer type. There are checks in several
places that block simplifications on CCmode, but I guess there are some missing
- it's the first time if_then_else has a CCmode result...