[Bug 36165] msvcrt/string tests fail under valgrind

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=36165

Austin English <austinenglish at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |UPSTREAM

--- Comment #2 from Austin English <austinenglish at gmail.com> ---
(In reply to Piotr Caban from comment #1)
> This is a valgrind bug. Strtod uses long double during computations.
> 
> From http://www.valgrind.org/docs/manual/manual-core.html:
> 
> Valgrind has the following limitations in its implementation of x86/AMD64
> floating point relative to IEEE754.
> 
> Precision: There is no support for 80 bit arithmetic. Internally, Valgrind
> represents all such "long double" numbers in 64 bits, and so there may be
> some differences in results. Whether or not this is critical remains to be
> seen. Note, the x86/amd64 fldt/fstpt instructions (read/write 80-bit
> numbers) are correctly simulated, using conversions to/from 64 bits, so that
> in-memory images of 80-bit numbers look correct if anyone wants to see.

Okay, thanks.

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