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[Bug target/61153] [ARM] vbic vorn tests fail
- From: "christophe.lyon at st dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 12 May 2014 13:18:50 +0000
- Subject: [Bug target/61153] [ARM] vbic vorn tests fail
- Auto-submitted: auto-generated
- References: <bug-61153-4 at http dot gcc dot gnu dot org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=61153
--- Comment #6 from christophe.lyon at st dot com ---
(In reply to Ramana Radhakrishnan from comment #4)
> Yes that is expected as per my original patch submission. Patch 1/3 said
> these tests would fail because at O0 combine doesn't run.
Indeed, sorry I forgot about it.
> I'm expecting your run time tests to go in and for cases where we need them,
> we may want to put out some kind of basic scan assembler tests for them.
>
> I'm tempted to mark this as invalid.
>
How do we define "cases where we need them"? My concern is that some compiler
change might cause a suboptimal-yet-functional code to be generated, and we
wouldn't notice it.