RISC-V Built-in Functions (Using the GNU Compiler Collection (GCC))

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6.62.31 RISC-V Built-in Functions ¶

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

Built-in Function: void * __builtin_thread_pointer (void) ¶: Returns the value that is currently set in the ‘tp’ register.

Built-in Function: void __builtin_riscv_pause (void) ¶: Generates the pause (hint) machine instruction. If the target implements the Zihintpause extension, it indicates that the current hart should be temporarily paused or slowed down.