gcc: Blackfin Built-in Functions

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1 6.59.11 Blackfin Built-in Functions
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1 Currently, there are two Blackfin-specific built-in functions.  These
1 are used for generating 'CSYNC' and 'SSYNC' machine insns without using
1 inline assembly; by using these built-in functions the compiler can
1 automatically add workarounds for hardware errata involving these
1 instructions.  These functions are named as follows:
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1      void __builtin_bfin_csync (void)
1      void __builtin_bfin_ssync (void)
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