In LowerEXTRACT_VECTOR_ELT, force an i32 value type for PEXTWR instead of incrementing the simple value type of the 16-bit type, which would give the wrong type if an intemediate MVT (such as i24) were introduced.
In LowerEXTRACT_VECTOR_ELT, force an i32 value type for PEXTWR instead of
incrementing the simple value type of the 16-bit type, which would give the
wrong type if an intemediate MVT (such as i24) were introduced.


git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@91602 91177308-0d34-0410-b5e6-96231b3b80d8

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