K 10
svn:author
V 4
jkim
K 8
svn:date
V 27
2013-08-15T00:03:17.393989Z
K 7
svn:log
V 372
Try to improve performance on i486 class CPUs.

- Partially revert r253876. [1]
- Use conditional jumps instead of function pointers. [2]  Note this change
may break KPI, i. e., atomic_load_acq_64() and atomic_store_rel_64() are now
real functions.

Note this changes are not tested because I do not have i486-class CPUs.

Objected by:		attilio [1]
Suggested by:		bde [2]

END