6.59.1 AArch64 Built-in Functions

These built-in functions are available for the AArch64 family of processors.

     unsigned int __builtin_aarch64_get_fpcr ()
     void __builtin_aarch64_set_fpcr (unsigned int)
     unsigned int __builtin_aarch64_get_fpsr ()
     void __builtin_aarch64_set_fpsr (unsigned int)