This is the mail archive of the libc-alpha@sourceware.org mailing list for the glibc project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: [PATCH] tile: create new math-tests.h header


On Fri, 18 Nov 2016, Chris Metcalf wrote:

> We clearly should also tell libgcc not to bother preserving nan
> payloads given that the hardware doesn't do it in any case; I'll pass
> that along to the compiler team, but I'll also commit my original
> patch since it seems to match the hardware behavior.

FWIW, I wouldn't expect any significant performance difference between 
copying a payload and setting a payload to the canonical one (which is 
what you get if !_FP_KEEPNANFRACP).

-- 
Joseph S. Myers
joseph@codesourcery.com


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]