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Re: [PATCH v3 1/2] soft-fp: Use temporary variable in FP_FRAC_SUB_3/FP_FRAC_SUB_4


On Fri, 2 Nov 2018, Zong Li wrote:

> Ok, I see. Sorry for being naive to ask these but I am a little bit
> curious about why the #if 0 version is present in glibc?
> and what is the time would use it?

You would have to research the state of the code when first added to glibc 
and the Linux kernel, remembering that there may well have been no 
community discussion of it at the time.

-- 
Joseph S. Myers
joseph@codesourcery.com


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