Model vld2 / vst2 with reg_sequence.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103411 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp
index d8582ec..7a637b6 100644
--- a/lib/Target/ARM/ARMISelLowering.cpp
+++ b/lib/Target/ARM/ARMISelLowering.cpp
@@ -266,6 +266,11 @@
addQRTypeForNEON(MVT::v4i32);
addQRTypeForNEON(MVT::v2i64);
+ // Map v4i64 to QQ registers but do not make the type legal for any
+ // operations. v4i64 is only used for REG_SEQUENCE to load / store quad
+ // D registers.
+ addRegisterClass(MVT::v4i64, ARM::QQPRRegisterClass);
+
// v2f64 is legal so that QR subregs can be extracted as f64 elements, but
// neither Neon nor VFP support any arithmetic operations on it.
setOperationAction(ISD::FADD, MVT::v2f64, Expand);