From: Evan Cheng <evan.cheng@apple.com>
Date: Tue, 12 Dec 2006 21:51:17 +0000 (+0000)
Subject: Soft fp FNEG, SINT_TO_FP, UINT_TO_FP libcall expansion.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=5c9ce1893a4bee65bc05c7c48f11734f55405692;p=oota-llvm.git

Soft fp FNEG, SINT_TO_FP, UINT_TO_FP libcall expansion.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32495 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index 4c22bfabb3b..481aad66aa2 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -4902,7 +4902,10 @@ void SelectionDAGLegalize::ExpandOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi){
   case ISD::UDIV: Lo = ExpandLibCall("__udivdi3", Node, Hi); break;
   case ISD::SREM: Lo = ExpandLibCall("__moddi3" , Node, Hi); break;
   case ISD::UREM: Lo = ExpandLibCall("__umoddi3", Node, Hi); break;
-  
+
+  case ISD::FNEG:
+    Lo = ExpandLibCall(((VT == MVT::f32) ? "__negsf2" : "__negdf2"), Node, Hi);
+    break;
   case ISD::FADD:
     Lo = ExpandLibCall(((VT == MVT::f32) ? "__addsf3" : "__adddf3"), Node, Hi);
     break;
@@ -4921,6 +4924,22 @@ void SelectionDAGLegalize::ExpandOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi){
   case ISD::FP_ROUND:
     Lo = ExpandLibCall("__truncdfsf2", Node, Hi);
     break;
+  case ISD::SINT_TO_FP:
+    if (Node->getOperand(0).getValueType() == MVT::i64)
+      Lo = ExpandLibCall(((VT == MVT::f32) ? "__floatdisf" : "__floatdidf"),
+                         Node, Hi);
+    else
+      Lo = ExpandLibCall(((VT == MVT::f32) ? "__floatsisf" : "__floatsidf"),
+                         Node, Hi);
+    break;
+  case ISD::UINT_TO_FP:
+    if (Node->getOperand(0).getValueType() == MVT::i64)
+      Lo = ExpandLibCall(((VT == MVT::f32) ? "__floatundisf" : "__floatundidf"),
+                         Node, Hi);
+    else
+      Lo = ExpandLibCall(((VT == MVT::f32) ? "__floatunsisf" : "__floatunsidf"),
+                         Node, Hi);
+    break;
   }
 
   // Make sure the resultant values have been legalized themselves, unless this