[llvm-commits] [llvm] r53773 - in /llvm/trunk: lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp lib/CodeGen/SelectionDAG/LegalizeTypes.h test/CodeGen/ARM/2008-07-17-Fdiv.ll

[Duncan Sands]

Author: baldrick
Date: Fri Jul 18 16:18:48 2008
New Revision: 53773

URL: http://llvm.org/viewvc/llvm-project?rev=53773&view=rev
Log:
Softfloat support for FDIV.  Patch by  
Richard Pennington.

Added:
    llvm/trunk/test/CodeGen/ARM/2008-07-17-Fdiv.ll
Modified:
    llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp
    llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypes.h

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp?rev=53773&r1=53772&r2=53773&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp Fri Jul 18 16:18:48 2008
@@ -61,6 +61,7 @@
       break;
     case ISD::FADD:        R = SoftenFloatRes_FADD(N); break;
     case ISD::FCOPYSIGN:   R = SoftenFloatRes_FCOPYSIGN(N); break;
+    case ISD::FDIV:        R = SoftenFloatRes_FDIV(N); break;
     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;
@@ -146,6 +147,18 @@
   return DAG.getNode(ISD::OR, LVT, LHS, SignBit);
 }
 
+SDOperand DAGTypeLegalizer::SoftenFloatRes_FDIV(SDNode *N) {
+  MVT NVT = TLI.getTypeToTransformTo(N->getValueType(0));
+  SDOperand Ops[2] = { GetSoftenedFloat(N->getOperand(0)),
+                       GetSoftenedFloat(N->getOperand(1)) };
+  return MakeLibCall(GetFPLibCall(N->getValueType(0),
+                                  RTLIB::DIV_F32,
+                                  RTLIB::DIV_F64,
+                                  RTLIB::DIV_F80,
+                                  RTLIB::DIV_PPCF128),
+                     NVT, Ops, 2, false);
+}
+
 SDOperand DAGTypeLegalizer::SoftenFloatRes_FMUL(SDNode *N) {
   MVT NVT = TLI.getTypeToTransformTo(N->getValueType(0));
   SDOperand Ops[2] = { GetSoftenedFloat(N->getOperand(0)),

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypes.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypes.h?rev=53773&r1=53772&r2=53773&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypes.h (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypes.h Fri Jul 18 16:18:48 2008
@@ -336,6 +336,7 @@
   SDOperand SoftenFloatRes_ConstantFP(ConstantFPSDNode *N);
   SDOperand SoftenFloatRes_FADD(SDNode *N);
   SDOperand SoftenFloatRes_FCOPYSIGN(SDNode *N);
+  SDOperand SoftenFloatRes_FDIV(SDNode *N);
   SDOperand SoftenFloatRes_FMUL(SDNode *N);
   SDOperand SoftenFloatRes_FP_EXTEND(SDNode *N);
   SDOperand SoftenFloatRes_FP_ROUND(SDNode *N);

Added: llvm/trunk/test/CodeGen/ARM/2008-07-17-Fdiv.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/2008-07-17-Fdiv.ll?rev=53773&view=auto

==============================================================================
--- llvm/trunk/test/CodeGen/ARM/2008-07-17-Fdiv.ll (added)
+++ llvm/trunk/test/CodeGen/ARM/2008-07-17-Fdiv.ll Fri Jul 18 16:18:48 2008
@@ -0,0 +1,6 @@
+; RUN: llvm-as < %s | llc -march=arm
+
+define float @f(float %a, float %b) nounwind  {
+	%tmp = fdiv float %a, %b
+	ret float %tmp
+}