[PATCH] [MIPS] OperationAction for FP_TO_FP16, FP16_TO_FP

[Pirama Arumuga Nainar]

Hi srhines,

Set operation action for FP16 conversion opcodes, so the Op legalizer
can choose the gnu_* libcalls for Mips.

http://reviews.llvm.org/D8804

Files:
  lib/Target/Mips/MipsISelLowering.cpp

Index: lib/Target/Mips/MipsISelLowering.cpp
===================================================================
--- lib/Target/Mips/MipsISelLowering.cpp
+++ lib/Target/Mips/MipsISelLowering.cpp
@@ -339,6 +339,10 @@
   setOperationAction(ISD::FREM,              MVT::f32,   Expand);
   setOperationAction(ISD::FREM,              MVT::f64,   Expand);
 
+  // Lower f16 conversion operations into library calls
+  // setOperationAction(ISD::FP16_TO_FP,        MVT::f32,   Expand);
+  // setOperationAction(ISD::FP_TO_FP16,        MVT::f32,   Expand);
+
   setOperationAction(ISD::EH_RETURN, MVT::Other, Custom);
 
   setOperationAction(ISD::VASTART,           MVT::Other, Custom);

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