[llvm-commits] [llvm] r154113 - /llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
Owen Anderson
resistor at mac.com
Thu Apr 5 11:50:32 PDT 2012
Author: resistor
Date: Thu Apr 5 13:50:32 2012
New Revision: 154113
URL: http://llvm.org/viewvc/llvm-project?rev=154113&view=rev
Log:
Treat f16 the same as f80/f128 for the purposes of generating constants during instruction selection.
Modified:
llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
Modified: llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp?rev=154113&r1=154112&r2=154113&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp Thu Apr 5 13:50:32 2012
@@ -62,6 +62,7 @@
static const fltSemantics *EVTToAPFloatSemantics(EVT VT) {
switch (VT.getSimpleVT().SimpleTy) {
default: llvm_unreachable("Unknown FP format");
+ case MVT::f16: return &APFloat::IEEEhalf;
case MVT::f32: return &APFloat::IEEEsingle;
case MVT::f64: return &APFloat::IEEEdouble;
case MVT::f80: return &APFloat::x87DoubleExtended;
@@ -1042,7 +1043,7 @@
return getConstantFP(APFloat((float)Val), VT, isTarget);
else if (EltVT==MVT::f64)
return getConstantFP(APFloat(Val), VT, isTarget);
- else if (EltVT==MVT::f80 || EltVT==MVT::f128) {
+ else if (EltVT==MVT::f80 || EltVT==MVT::f128 || EltVT==MVT::f16) {
bool ignored;
APFloat apf = APFloat(Val);
apf.convert(*EVTToAPFloatSemantics(EltVT), APFloat::rmNearestTiesToEven,
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