[Bug target/90984] PowerPC cast from vector unsigned long long to vector double does not do an integer to float conversion

[slandden at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90984

--- Comment #1 from Shawn Landden <slandden at gmail dot com> ---
Also, how do I do a integer-to-float conversion to work around this bug?