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[PowerPC] Refactor popcnt[dw] target features

Authored by hfinkel on Mar 28 2016, 6:36 PM.

Description

[PowerPC] Refactor popcnt[dw] target features

Instead of using two feature bits, one to indicate the availability of the
popcnt[dw] instructions, and another to indicate whether or not they're fast,
use a single enum. This allows more consistent control via target attribute
strings, and via Clang's command line.

llvm-svn: 264690

Details

Committed
hfinkelMar 28 2016, 6:36 PM
Parents
rG5e241b11ed54: [Codegen] Decrease minimum jump table density.
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