From 2cbe7fe3963e603c1485b1378b7e29ef63f31442 Mon Sep 17 00:00:00 2001
From: Duncan Sands <baldrick@free.fr>
Date: Wed, 22 Oct 2008 11:49:09 +0000
Subject: [PATCH] LegalizeTypes soft-float support for fpow.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57973 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp | 15 ++++++++++++++-
 lib/CodeGen/SelectionDAG/LegalizeTypes.h        |  1 +
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp b/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp
index b0583cfa75e..d20249f82d2 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp
@@ -66,6 +66,7 @@ void DAGTypeLegalizer::SoftenFloatResult(SDNode *N, unsigned ResNo) {
     case ISD::FMUL:        R = SoftenFloatRes_FMUL(N); break;
     case ISD::FP_EXTEND:   R = SoftenFloatRes_FP_EXTEND(N); break;
     case ISD::FP_ROUND:    R = SoftenFloatRes_FP_ROUND(N); break;
+    case ISD::FPOW:        R = SoftenFloatRes_FPOW(N); break;
     case ISD::FPOWI:       R = SoftenFloatRes_FPOWI(N); break;
     case ISD::FSUB:        R = SoftenFloatRes_FSUB(N); break;
     case ISD::LOAD:        R = SoftenFloatRes_LOAD(N); break;
@@ -162,7 +163,7 @@ SDValue DAGTypeLegalizer::SoftenFloatRes_FCOPYSIGN(SDNode *N) {
 SDValue DAGTypeLegalizer::SoftenFloatRes_FDIV(SDNode *N) {
   MVT NVT = TLI.getTypeToTransformTo(N->getValueType(0));
   SDValue Ops[2] = { GetSoftenedFloat(N->getOperand(0)),
-                       GetSoftenedFloat(N->getOperand(1)) };
+                     GetSoftenedFloat(N->getOperand(1)) };
   return MakeLibCall(GetFPLibCall(N->getValueType(0),
                                   RTLIB::DIV_F32,
                                   RTLIB::DIV_F64,
@@ -199,6 +200,18 @@ SDValue DAGTypeLegalizer::SoftenFloatRes_FP_ROUND(SDNode *N) {
   return MakeLibCall(LC, NVT, &Op, 1, false);
 }
 
+SDValue DAGTypeLegalizer::SoftenFloatRes_FPOW(SDNode *N) {
+  MVT NVT = TLI.getTypeToTransformTo(N->getValueType(0));
+  SDValue Ops[2] = { GetSoftenedFloat(N->getOperand(0)),
+                     GetSoftenedFloat(N->getOperand(1)) };
+  return MakeLibCall(GetFPLibCall(N->getValueType(0),
+                                  RTLIB::POW_F32,
+                                  RTLIB::POW_F64,
+                                  RTLIB::POW_F80,
+                                  RTLIB::POW_PPCF128),
+                     NVT, Ops, 2, false);
+}
+
 SDValue DAGTypeLegalizer::SoftenFloatRes_FPOWI(SDNode *N) {
   MVT NVT = TLI.getTypeToTransformTo(N->getValueType(0));
   SDValue Ops[2] = { GetSoftenedFloat(N->getOperand(0)), N->getOperand(1) };
diff --git a/lib/CodeGen/SelectionDAG/LegalizeTypes.h b/lib/CodeGen/SelectionDAG/LegalizeTypes.h
index 8e1fa1b342f..6f4c903af40 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeTypes.h
+++ b/lib/CodeGen/SelectionDAG/LegalizeTypes.h
@@ -343,6 +343,7 @@ private:
   SDValue SoftenFloatRes_FMUL(SDNode *N);
   SDValue SoftenFloatRes_FP_EXTEND(SDNode *N);
   SDValue SoftenFloatRes_FP_ROUND(SDNode *N);
+  SDValue SoftenFloatRes_FPOW(SDNode *N);
   SDValue SoftenFloatRes_FPOWI(SDNode *N);
   SDValue SoftenFloatRes_FSUB(SDNode *N);
   SDValue SoftenFloatRes_LOAD(SDNode *N);