[Bug rtl-optimization/78041] Wrong code on ARMv7 with -mthumb -mfpu=neon-fp16 -O0

[bernd.edlinger at hotmail dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78041

--- Comment #1 from Bernd Edlinger <bernd.edlinger at hotmail dot de> ---
some background about this bug can be found here:

https://gcc.gnu.org/ml/gcc-patches/2016-10/msg01561.html