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5.51.3 Blackfin Built-in Functions

Currently, there are two Blackfin-specific built-in functions. These are used for generating CSYNC and SSYNC machine insns without using inline assembly; by using these built-in functions the compiler can automatically add workarounds for hardware errata involving these instructions. These functions are named as follows:

     void __builtin_bfin_csync (void)
     void __builtin_bfin_ssync (void)