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

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#### 6.52.4 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)