diff options
Diffstat (limited to 'lib/Target/X86/X86ISelLowering.cpp')
| -rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index 37b248416e4a8..86744b0641323 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -1364,6 +1364,14 @@ X86TargetLowering::X86TargetLowering(const X86TargetMachine &TM, setOperationAction(ISD::MUL, MVT::v8i64, Legal); } + if (Subtarget.hasVPOPCNTDQ()) { + // VPOPCNTDQ sub-targets extend 128/256 vectors to use the avx512 + // version of popcntd/q. + for (auto VT : {MVT::v16i32, MVT::v8i64, MVT::v8i32, MVT::v4i64, + MVT::v4i32, MVT::v2i64}) + setOperationAction(ISD::CTPOP, VT, Legal); + } + // Custom lower several nodes. for (auto VT : { MVT::v4i32, MVT::v8i32, MVT::v2i64, MVT::v4i64, MVT::v4f32, MVT::v8f32, MVT::v2f64, MVT::v4f64 }) { |