ARM: FMA is legal only if VFP4 is available.
rdar://13306723
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176212 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp
index b8ff5b3..244dac5 100644
--- a/lib/Target/ARM/ARMISelLowering.cpp
+++ b/lib/Target/ARM/ARMISelLowering.cpp
@@ -554,6 +554,12 @@
setOperationAction(ISD::CTPOP, MVT::v4i16, Custom);
setOperationAction(ISD::CTPOP, MVT::v8i16, Custom);
+ // NEON only has FMA instructions as of VFP4.
+ if (!Subtarget->hasVFP4()) {
+ setOperationAction(ISD::FMA, MVT::v2f32, Expand);
+ setOperationAction(ISD::FMA, MVT::v4f32, Expand);
+ }
+
setTargetDAGCombine(ISD::INTRINSIC_VOID);
setTargetDAGCombine(ISD::INTRINSIC_W_CHAIN);
setTargetDAGCombine(ISD::INTRINSIC_WO_CHAIN);