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From: Florian K. <br...@ac...> - 2012-09-09 03:33:15
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On 09/08/2012 06:18 PM, Julian Seward wrote: > This is one of those things that has no effect for 99.99% of cases > but may have a big impact for the cases it hits. I suspect it > would be easy to write a test case that shows it -- a single > basic block that contains a lot of both kinds of instructions, > iterated over a lot, with suitable rounding mode setup beforehand. > > The tricky bit is to ensure it is right. Huh? This looks like a fairly straight forward change to me.. Anyhow, I was not planning to change the ppc code. I'll leave that to Carl, Maynard, and you to decide. Yes, a contrived testcase would be interesting but I'm the wrong person to write it. Florian |