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These built-in functions are available for the RISC-V family ofprocessors.
void *__builtin_thread_pointer(void) ¶Returns the value that is currently set in the ‘tp’ register.
void__builtin_riscv_pause(void) ¶Generates thepause (hint) machine instruction. If the target implementsthe Zihintpause extension, it indicates that the current hart should betemporarily paused or slowed down.