7.13.12.4 Other Builtin Functions

Additional built-in functions are available for LoongArch family processors to efficiently use 128-bit floating-point (__float128) values.

The following are the basic built-in functions supported.

__float128 __builtin_fabsq (__float128);
__float128 __builtin_copysignq (__float128, __float128);
__float128 __builtin_infq (void);
__float128 __builtin_huge_valq (void);
__float128 __builtin_nanq (void);
__float128 __builtin_nansq (void);

Returns the value that is currently set in the ‘tp’ register.

    void * __builtin_thread_pointer (void)