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Author SHA1 Message Date
Ulrich Weigand b401218ca2 [SystemZ] Use POPCNT instruction on z196 
We already exploit a number of instructions specific to z196,
but not yet POPCNT.  Add support for the population-count
facility, MC support for the POPCNT instruction, CodeGen
support for using POPCNT, and implement the getPopcntSupport
TargetTransformInfo hook.

llvm-svn: 233689
 2015-03-31 12:56:33 +00:00