Added MMX, SSE1, and SSE2 vector instructions and some simple patterns.
Fixed some existing bugs (wrong predicates, prefixes) at the same time.
llvm-svn: 26310
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index e32cc0f..77fc52b 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -236,6 +236,44 @@
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