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Move comment about sun cc's __machine_rw_barrier being a full barrier.

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I'd accidentally written the comment besides the read barrier, instead
of the full barrier, implementation.

Noticed by Oskari Saarenmaa
This commit is contained in:
Andres Freund 2015-01-08 13:08:05 +01:00
parent 17eaae9897
commit 93be095007
1 changed files with 4 additions and 4 deletions
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8
src/include/port/atomics/generic-sunpro.h
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@ -25,14 +25,14 @@
#define pg_compiler_barrier_impl() __compiler_barrier() #define pg_compiler_barrier_impl() __compiler_barrier()
#ifndef pg_memory_barrier_impl #ifndef pg_memory_barrier_impl
# define pg_memory_barrier_impl() __machine_rw_barrier()
#endif
#ifndef pg_read_barrier_impl
/* /*
* Despite the name this is actually a full barrier. Expanding to mfence and * Despite the name this is actually a full barrier. Expanding to mfence/
* membar #StoreStore | #LoadStore | #StoreLoad | #LoadLoad on x86/sparc * membar #StoreStore | #LoadStore | #StoreLoad | #LoadLoad on x86/sparc
* respectively. * respectively.
*/ */
# define pg_memory_barrier_impl() __machine_rw_barrier()
#endif
#ifndef pg_read_barrier_impl
# define pg_read_barrier_impl() __machine_r_barrier() # define pg_read_barrier_impl() __machine_r_barrier()
#endif #endif
#ifndef pg_write_barrier_impl #ifndef pg_write_barrier_impl