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Re: [PATCH] Add "__RTL" to cc1 (v2)

On 10/14/2016 11:33 AM, Richard Biener wrote:


Ok, so at least for the GIMPLE FE side I thought it's useful to allow
a correctness verification with something simpler than pattern matching
on the pass output.  By means of doing runtime verification of an expected
result (this necessarily includes running followup passes as we have to
generate code).  I don't see why this shouldn't apply to __RTL -- it might
be more difficult to get __RTL testcases to the point where they emit
assembly of course.
Also, if this ends up with a lot of testcases, I still think it would be best to have these use a special rtl-test port so that the tests don't become a maintenance burden for real ports, and so that we can construct the tests any way we like. Such a port might not even be able to produce executable code (unless you also want to write a sim). 


Bernd
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