diff options
Diffstat (limited to 'llvm/lib/Target/X86/X86TargetTransformInfo.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86TargetTransformInfo.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp index a5958f57422..719f7e7b345 100644 --- a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp +++ b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp @@ -556,9 +556,9 @@ int X86TTIImpl::getArithmeticInstrCost( // A v4i64 multiply is custom lowered as two split v2i64 vectors that then // are lowered as a series of long multiplies(3), shifts(3) and adds(2) // Because we believe v4i64 to be a legal type, we must also include the - // split factor of two in the cost table. Therefore, the cost here is 16 + // extract+insert in the cost table. Therefore, the cost here is 18 // instead of 8. - { ISD::MUL, MVT::v4i64, 16 }, + { ISD::MUL, MVT::v4i64, 18 }, }; // Look for AVX1 lowering tricks. |
