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Add barrier() primitive (was present in Eb5.4), used by some currently 

out-of-tree driver code.
pull/1/head
Michael Brown 2007-08-18 18:04:50 +01:00
parent b42c5905cb
commit 800c8b014b
1 changed files with 5 additions and 0 deletions
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5
src/include/compiler.h
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@ -311,6 +311,11 @@ extern void dbg_hex_dump_da ( unsigned long dispaddr,
*/ */
#define __shared __asm__ ( "_shared_bss" ) #define __shared __asm__ ( "_shared_bss" )
/**
* Optimisation barrier
*/
#define barrier() __asm__ __volatile__ ( "" : : : "memory" )
#endif /* ASSEMBLY */ #endif /* ASSEMBLY */
#endif /* COMPILER_H */ #endif /* COMPILER_H */