First round of ppc long double. call/return and
basic arithmetic works.
Rename RTLIB long double functions to distinguish
different flavors of long double; the lib functions
have different names, alas.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42644 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCCallingConv.td b/lib/Target/PowerPC/PPCCallingConv.td
index 9e31b5a..0991d83 100644
--- a/lib/Target/PowerPC/PPCCallingConv.td
+++ b/lib/Target/PowerPC/PPCCallingConv.td
@@ -25,7 +25,8 @@
CCIfType<[i32], CCAssignToReg<[R3, R4]>>,
CCIfType<[i64], CCAssignToReg<[X3, X4]>>,
- CCIfType<[f32, f64], CCAssignToReg<[F1]>>,
+ CCIfType<[f32], CCAssignToReg<[F1]>>,
+ CCIfType<[f64], CCAssignToReg<[F1, F2]>>,
// Vector types are always returned in V2.
CCIfType<[v16i8, v8i16, v4i32, v4f32], CCAssignToReg<[V2]>>
diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp
index cfebef1..ec1046f 100644
--- a/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -1812,8 +1812,20 @@
NumResults = 1;
NodeTys.push_back(MVT::i64);
break;
- case MVT::f32:
case MVT::f64:
+ if (Op.Val->getValueType(1) == MVT::f64) {
+ Chain = DAG.getCopyFromReg(Chain, PPC::F1, MVT::f64, InFlag).getValue(1);
+ ResultVals[0] = Chain.getValue(0);
+ Chain = DAG.getCopyFromReg(Chain, PPC::F2, MVT::f64,
+ Chain.getValue(2)).getValue(1);
+ ResultVals[1] = Chain.getValue(0);
+ NumResults = 2;
+ NodeTys.push_back(MVT::f64);
+ NodeTys.push_back(MVT::f64);
+ break;
+ }
+ // else fall through
+ case MVT::f32:
Chain = DAG.getCopyFromReg(Chain, PPC::F1, Op.Val->getValueType(0),
InFlag).getValue(1);
ResultVals[0] = Chain.getValue(0);