[llvm-commits] [llvm] r43160 - in /llvm/trunk: include/llvm/CodeGen/RuntimeLibcalls.h lib/CodeGen/SelectionDAG/DAGCombiner.cpp lib/Target/PowerPC/PPCISelLowering.cpp

[Dale Johannesen]

Author: johannes
Date: Thu Oct 18 19:59:18 2007
New Revision: 43160

URL: http://llvm.org/viewvc/llvm-project?rev=43160&view=rev
Log:
More ppcf128 issues (maybe the last)?


Modified:
    llvm/trunk/include/llvm/CodeGen/RuntimeLibcalls.h
    llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
    llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp

Modified: llvm/trunk/include/llvm/CodeGen/RuntimeLibcalls.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/RuntimeLibcalls.h?rev=43160&r1=43159&r2=43160&view=diff

==============================================================================
--- llvm/trunk/include/llvm/CodeGen/RuntimeLibcalls.h (original)
+++ llvm/trunk/include/llvm/CodeGen/RuntimeLibcalls.h Thu Oct 18 19:59:18 2007
@@ -20,6 +20,10 @@
   /// RTLIB::Libcall enum - This enum defines all of the runtime library calls
   /// the backend can emit.  The various long double types cannot be merged,
   /// because 80-bit library functions use "xf" and 128-bit use "tf".
+  /// 
+  /// When adding PPCF128 functions here, note that their names generally need
+  /// to be overridden for Darwin with the xxx$LDBL128 form.  See
+  /// PPCISelLowering.cpp.
   ///
   enum Libcall {
     // Integer

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp?rev=43160&r1=43159&r2=43160&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp Thu Oct 18 19:59:18 2007
@@ -3493,7 +3493,7 @@
     return DAG.getNode(ISD::FP_EXTEND, VT, N0);
   
   // fold (fpext (load x)) -> (fpext (fpround (extload x)))
-  if (ISD::isNON_EXTLoad(N0.Val) && N0.hasOneUse() &&
+  if (ISD::isNON_EXTLoad(N0.Val) && N0.hasOneUse() && VT != MVT::ppcf128 &&
       (!AfterLegalize||TLI.isLoadXLegal(ISD::EXTLOAD, N0.getValueType()))) {
     LoadSDNode *LN0 = cast<LoadSDNode>(N0);
     SDOperand ExtLoad = DAG.getExtLoad(ISD::EXTLOAD, VT, LN0->getChain(),

Modified: llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp?rev=43160&r1=43159&r2=43160&view=diff

==============================================================================
--- llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp Thu Oct 18 19:59:18 2007
@@ -341,6 +341,13 @@
   setTargetDAGCombine(ISD::BR_CC);
   setTargetDAGCombine(ISD::BSWAP);
   
+  // Darwin long double math library functions have $LDBL128 appended.
+  if (TM.getSubtarget<PPCSubtarget>().isDarwin()) {
+    setLibcallName(RTLIB::SQRT_PPCF128, "sqrtl$LDBL128");
+    setLibcallName(RTLIB::POW_PPCF128, "powl$LDBL128");
+    setLibcallName(RTLIB::REM_PPCF128, "fmodl$LDBL128");
+  }
+
   computeRegisterProperties();
 }