Make default expansion for FP16 <-> FP32 nodes into libcalls

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98501 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 0 deletions

diff --git a/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index 2ae9d349f1..4df4d77be7 100644
--- a/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -175,6 +175,8 @@ static void InitLibcallNames(const char **Names) {
   Names[RTLIB::FLOOR_F80] = "floorl";
   Names[RTLIB::FLOOR_PPCF128] = "floorl";
   Names[RTLIB::FPEXT_F32_F64] = "__extendsfdf2";
+  Names[RTLIB::FPEXT_F16_F32] = "__gnu_h2f_ieee";
+  Names[RTLIB::FPROUND_F32_F16] = "__gnu_f2h_ieee";
   Names[RTLIB::FPROUND_F64_F32] = "__truncdfsf2";
   Names[RTLIB::FPROUND_F80_F32] = "__truncxfsf2";
   Names[RTLIB::FPROUND_PPCF128_F32] = "__trunctfsf2";
@@ -269,6 +271,7 @@ RTLIB::Libcall RTLIB::getFPEXT(EVT OpVT, EVT RetVT) {
     if (RetVT == MVT::f64)
       return FPEXT_F32_F64;
   }
+
   return UNKNOWN_LIBCALL;
 }
 
@@ -288,6 +291,7 @@ RTLIB::Libcall RTLIB::getFPROUND(EVT OpVT, EVT RetVT) {
     if (OpVT == MVT::ppcf128)
       return FPROUND_PPCF128_F64;
   }
+
   return UNKNOWN_LIBCALL;
 }