[X86][AVX512] Add 512-bit vector cttz costs + tests
llvm-svn: 303293
diff --git a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp
index 8566bd9..b6b707e 100644
--- a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp
+++ b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp
@@ -1397,10 +1397,16 @@
{ ISD::BITREVERSE, MVT::v16i32, 5 },
{ ISD::BITREVERSE, MVT::v32i16, 5 },
{ ISD::BITREVERSE, MVT::v64i8, 5 },
+ { ISD::CTTZ, MVT::v8i64, 10 },
+ { ISD::CTTZ, MVT::v16i32, 14 },
+ { ISD::CTTZ, MVT::v32i16, 12 },
+ { ISD::CTTZ, MVT::v64i8, 9 },
};
static const CostTblEntry AVX512CostTbl[] = {
{ ISD::BITREVERSE, MVT::v8i64, 36 },
{ ISD::BITREVERSE, MVT::v16i32, 24 },
+ { ISD::CTTZ, MVT::v8i64, 20 },
+ { ISD::CTTZ, MVT::v16i32, 28 },
};
static const CostTblEntry XOPCostTbl[] = {
{ ISD::BITREVERSE, MVT::v4i64, 4 },