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Author SHA1 Message Date
Arnold Schwaighofer
e2d5590c33 ARM cost model: Cost for scalar integer casts and floating point conversions 
Also adds some costs for vector integer float conversions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174371 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-02-05 14:05:55 +00:00
Arnold Schwaighofer
a7ad84851b ARM cost model: Penalize insertelement into D subregisters 
Swift has a renaming dependency if we load into D subregisters. We don't have a
way of distinguishing between insertelement operations of values from loads and
other values. Therefore, we are pessimistic for now (The performance problem
showed up in example 14 of gcc-loops).

radar://13096933

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174300 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-02-04 02:52:05 +00:00