Re: Inline assembler fallback for _FPU_SETCW() missing in MINGW libraries (issue 577450043 by address@hidden)

[thomasmorley65]

On 2020/01/29 22:36:03, Carl wrote:
> While this answer is specific, it could be clearer, IMO:
> 
> Reviewing the Intel Manuals at 
>
https://software.intel.com/sites/default/files/managed/a4/60/253665-sdm-vol-1.pdf
> Section 4.2.2.
> 
> We can see that the 64 bit significand of Double Extended Precision
refers to an
> 80-bit floating point representation, and the 53-bit significand of
Double
> Precision refers to a 64-bit floating point representation.
> 
> I think if we just leave the 64/53 bit numbers in the comment, the
reader might
> think we are not using 64-bit floating-point representations.

Carl, I'm shepherding this patch for Arnold.
I'll point him to the review-comments, can't say anything about it
myself.

https://codereview.appspot.com/577450043/