[X86] Enable popcnt false dependency breaking on Silvermont and Goldmont.

Silvermont and Goldmont have the same issue on popcnt as Sandy Bridge, Haswell, Broadwell, and Skylake. Believe it is fixed in Goldmont Plus.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@330358 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed