[Bug target/59833] ARM soft-float extendsfdf2 fails to quiet signaling NaN

[aurelien at aurel32 dot net]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59833

--- Comment #10 from Aurelien Jarno <aurelien at aurel32 dot net> ---
I have just posted a new version of the patch:

https://gcc.gnu.org/ml/gcc-patches/2016-07/msg01198.html