diff options
Diffstat (limited to 'llvm/lib/Target/X86/X86ISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index e32cc0f2bd8..77fc52bc457 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -236,6 +236,44 @@ X86TargetLowering::X86TargetLowering(TargetMachine &TM) addLegalFPImmediate(-0.0); // FLD0/FCHS addLegalFPImmediate(-1.0); // FLD1/FCHS } + + if (TM.getSubtarget<X86Subtarget>().hasMMX()) { + addRegisterClass(MVT::v8i8, X86::VR64RegisterClass); + addRegisterClass(MVT::v4i16, X86::VR64RegisterClass); + addRegisterClass(MVT::v2i32, X86::VR64RegisterClass); + + // FIXME: We don't support any ConstantVec's yet. We should custom expand + // the ones we do! + setOperationAction(ISD::ConstantVec, MVT::v8i8, Expand); + setOperationAction(ISD::ConstantVec, MVT::v4i16, Expand); + setOperationAction(ISD::ConstantVec, MVT::v2i32, Expand); + } + + if (TM.getSubtarget<X86Subtarget>().hasSSE1()) { + addRegisterClass(MVT::v4f32, X86::VR128RegisterClass); + + // FIXME: We don't support any ConstantVec's yet. We should custom expand + // the ones we do! + setOperationAction(ISD::ConstantVec, MVT::v4f32, Expand); + } + + if (TM.getSubtarget<X86Subtarget>().hasSSE2()) { + addRegisterClass(MVT::v2f64, X86::VR128RegisterClass); + addRegisterClass(MVT::v16i8, X86::VR128RegisterClass); + addRegisterClass(MVT::v8i16, X86::VR128RegisterClass); + addRegisterClass(MVT::v4i32, X86::VR128RegisterClass); + addRegisterClass(MVT::v2i64, X86::VR128RegisterClass); + + + // FIXME: We don't support any ConstantVec's yet. We should custom expand + // the ones we do! + setOperationAction(ISD::ConstantVec, MVT::v2f64, Expand); + setOperationAction(ISD::ConstantVec, MVT::v16i8, Expand); + setOperationAction(ISD::ConstantVec, MVT::v8i16, Expand); + setOperationAction(ISD::ConstantVec, MVT::v4i32, Expand); + setOperationAction(ISD::ConstantVec, MVT::v2i64, Expand); + } + computeRegisterProperties(); // FIXME: These should be based on subtarget info. Plus, the values should |
