diff options
Diffstat (limited to 'llvm/lib/Target/X86/X86ISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 15eeddf0faa..38649b8fdf0 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -37729,6 +37729,11 @@ static SDValue combineSIntToFP(SDNode *N, SelectionDAG &DAG, if (VT == MVT::f16 || VT == MVT::f128) return SDValue(); + // If we have AVX512DQ we can use packed conversion instructions unless + // the VT is f80. + if (Subtarget.hasDQI() && VT != MVT::f80) + return SDValue(); + if (!Ld->isVolatile() && !VT.isVector() && ISD::isNON_EXTLoad(Op0.getNode()) && Op0.hasOneUse() && !Subtarget.is64Bit() && LdVT == MVT::i64) { |
