commit 20b5879e0ec5c926c3b636ad36d5b6cfb278f736
author Venkatraman Govindaraju <venkatra@cs.wisc.edu> Sat Sep 21 23:51:08 2013 +0000
committer Venkatraman Govindaraju <venkatra@cs.wisc.edu> Sat Sep 21 23:51:08 2013 +0000
tree fba9f58a36701b571eb9c5327b34ec9a4a55a808
parent 1ce1525ed453aea78d17f28ec3c353d0cde5341f

[Sparc] Fix lowering FABS on fp128 (long double) on pre-v9 targets.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191154 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/Sparc/SparcISelLowering.cpp

diff --git a/lib/Target/Sparc/SparcISelLowering.cpp b/lib/Target/Sparc/SparcISelLowering.cpp
index 641ab6c..2260fe4 100644
--- a/lib/Target/Sparc/SparcISelLowering.cpp
+++ b/lib/Target/Sparc/SparcISelLowering.cpp
@@ -2160,12 +2160,12 @@
   return RetAddr;
 }
 
-static SDValue LowerF64Op(SDValue Op, SelectionDAG &DAG)
+static SDValue LowerF64Op(SDValue Op, SelectionDAG &DAG, unsigned opcode)
 {
   SDLoc dl(Op);
 
   assert(Op.getValueType() == MVT::f64 && "LowerF64Op called on non-double!");
-  assert(Op.getOpcode() == ISD::FNEG || Op.getOpcode() == ISD::FABS);
+  assert(opcode == ISD::FNEG || opcode == ISD::FABS);
 
   // Lower fneg/fabs on f64 to fneg/fabs on f32.
   // fneg f64 => fneg f32:sub_even, fmov f32:sub_odd.
@@ -2177,7 +2177,7 @@
   SDValue Lo32 = DAG.getTargetExtractSubreg(SP::sub_odd, dl, MVT::f32,
                                             SrcReg64);
 
-  Hi32 = DAG.getNode(Op.getOpcode(), dl, MVT::f32, Hi32);
+  Hi32 = DAG.getNode(opcode, dl, MVT::f32, Hi32);
 
   SDValue DstReg64 = SDValue(DAG.getMachineNode(TargetOpcode::IMPLICIT_DEF,
                                                 dl, MVT::f64), 0);
@@ -2280,7 +2280,7 @@
                          const SparcTargetLowering &TLI,
                          bool is64Bit) {
   if (Op.getValueType() == MVT::f64)
-    return LowerF64Op(Op, DAG);
+    return LowerF64Op(Op, DAG, ISD::FNEG);
   if (Op.getValueType() == MVT::f128)
     return TLI.LowerF128Op(Op, DAG, ((is64Bit) ? "_Qp_neg" : "_Q_neg"), 1);
   return Op;
@@ -2288,7 +2288,7 @@
 
 static SDValue LowerFABS(SDValue Op, SelectionDAG &DAG, bool isV9) {
   if (Op.getValueType() == MVT::f64)
-    return LowerF64Op(Op, DAG);
+    return LowerF64Op(Op, DAG, ISD::FABS);
   if (Op.getValueType() != MVT::f128)
     return Op;
 
@@ -2304,7 +2304,7 @@
   if (isV9)
     Hi64 = DAG.getNode(Op.getOpcode(), dl, MVT::f64, Hi64);
   else
-    Hi64 = LowerF64Op(Op, DAG);
+    Hi64 = LowerF64Op(Hi64, DAG, ISD::FABS);
 
   SDValue DstReg128 = SDValue(DAG.getMachineNode(TargetOpcode::IMPLICIT_DEF,
                                                  dl, MVT::f128), 0);