[CQ] Missed optimisation: floating point reassociation in fast maths mode. - by Nicholas J. H. Chapman

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ID 1075102 Comments
Status Active Workarounds
Type Bug Repros 0
Opened 1/3/2015 1:59:40 PM
Access Restriction Public

Description

I wrote a blog post about it, please see here: http://www.forwardscattering.org/post/18

Let me know if you want me to copy and paste the details here.

Thanks,
  Nick
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Posted by Microsoft on 2/23/2015 at 10:01 AM
Hi, thanks for the great blog post. This is clearly an optimization we are missing under /fp:fast. We'll address this in a future compiler release.

I'm leaving this MSConnect item open until we do address the issue.

Thanks again,
Eric Brumer
Microsoft Visual C++ Team
Posted by Microsoft on 1/3/2015 at 2:11 PM
Thank you for your feedback, we are currently reviewing the issue you have submitted. If you require immediate assistance with this issue, please contact product support at http://support.microsoft.com/ph/1117.
Posted by Microsoft on 1/3/2015 at 2:11 PM
Thank you for your feedback, we are currently reviewing the issue you have submitted. If you require immediate assistance with this issue, please contact product support at http://support.microsoft.com/ph/1117.