Changes in directory llvm/lib/Target/Alpha:
AlphaISelDAGToDAG.cpp updated: 1.66 -> 1.67
---
Log message:
Fix unordered fp on alpha
---
Diffs of the changes: (+35 -15)
AlphaISelDAGToDAG.cpp | 50 +++++++++++++++++++++++++++++++++++---------------
1 files changed, 35 insertions(+), 15 deletions(-)
Index: llvm/lib/Target/Alpha/AlphaISelDAGToDAG.cpp
diff -u llvm/lib/Target/Alpha/AlphaISelDAGToDAG.cpp:1.66
llvm/lib/Target/Alpha/AlphaISelDAGToDAG.cpp:1.67
--- llvm/lib/Target/Alpha/AlphaISelDAGToDAG.cpp:1.66 Fri Jan 19 15:13:56 2007
+++ llvm/lib/Target/Alpha/AlphaISelDAGToDAG.cpp Wed Jan 24 12:43:14 2007
@@ -350,30 +350,50 @@
case ISD::SETCC:
if (MVT::isFloatingPoint(N->getOperand(0).Val->getValueType(0))) {
- unsigned Opc = Alpha::WTF;
ISD::CondCode CC = cast<CondCodeSDNode>(N->getOperand(2))->get();
+
+ unsigned Opc = Alpha::WTF;
bool rev = false;
- bool isNE = false;
+ bool inv = false;
switch(CC) {
default: DEBUG(N->dump()); assert(0 && "Unknown FP comparison!");
- case ISD::SETEQ: case ISD::SETOEQ: case ISD::SETUEQ: Opc =
Alpha::CMPTEQ; break;
- case ISD::SETLT: case ISD::SETOLT: case ISD::SETULT: Opc =
Alpha::CMPTLT; break;
- case ISD::SETLE: case ISD::SETOLE: case ISD::SETULE: Opc =
Alpha::CMPTLE; break;
- case ISD::SETGT: case ISD::SETOGT: case ISD::SETUGT: Opc =
Alpha::CMPTLT; rev = true; break;
- case ISD::SETGE: case ISD::SETOGE: case ISD::SETUGE: Opc =
Alpha::CMPTLE; rev = true; break;
- case ISD::SETNE: case ISD::SETONE: case ISD::SETUNE: Opc =
Alpha::CMPTEQ; isNE = true; break;
+ case ISD::SETEQ: case ISD::SETOEQ: case ISD::SETUEQ:
+ Opc = Alpha::CMPTEQ; break;
+ case ISD::SETLT: case ISD::SETOLT: case ISD::SETULT:
+ Opc = Alpha::CMPTLT; break;
+ case ISD::SETLE: case ISD::SETOLE: case ISD::SETULE:
+ Opc = Alpha::CMPTLE; break;
+ case ISD::SETGT: case ISD::SETOGT: case ISD::SETUGT:
+ Opc = Alpha::CMPTLT; rev = true; break;
+ case ISD::SETGE: case ISD::SETOGE: case ISD::SETUGE:
+ Opc = Alpha::CMPTLE; rev = true; break;
+ case ISD::SETNE: case ISD::SETONE: case ISD::SETUNE:
+ Opc = Alpha::CMPTEQ; inv = true; break;
+ case ISD::SETO:
+ Opc = Alpha::CMPTUN; inv = true; break;
+ case ISD::SETUO:
+ Opc = Alpha::CMPTUN; break;
};
- SDOperand tmp1 = N->getOperand(0);
- SDOperand tmp2 = N->getOperand(1);
+ SDOperand tmp1 = N->getOperand(rev?1:0);
+ SDOperand tmp2 = N->getOperand(rev?0:1);
AddToISelQueue(tmp1);
AddToISelQueue(tmp2);
- SDNode *cmp = CurDAG->getTargetNode(Opc, MVT::f64,
- rev?tmp2:tmp1,
- rev?tmp1:tmp2);
- if (isNE)
+ SDNode *cmp = CurDAG->getTargetNode(Opc, MVT::f64, tmp1, tmp2);
+ if (inv)
cmp = CurDAG->getTargetNode(Alpha::CMPTEQ, MVT::f64, SDOperand(cmp,
0),
CurDAG->getRegister(Alpha::F31, MVT::f64));
-
+ switch(CC) {
+ case ISD::SETUEQ: case ISD::SETULT: case ISD::SETULE:
+ case ISD::SETUNE: case ISD::SETUGT: case ISD::SETUGE:
+ {
+ SDNode* cmp2 = CurDAG->getTargetNode(Alpha::CMPTUN, MVT::f64, tmp1,
tmp2);
+ cmp = CurDAG->getTargetNode(Alpha::ADDT, MVT::f64,
+ SDOperand(cmp2, 0), SDOperand(cmp, 0));
+ break;
+ }
+ default: break;
+ }
+
SDOperand LD;
if (AlphaLowering.hasITOF()) {
LD = CurDAG->getNode(AlphaISD::FTOIT_, MVT::i64, SDOperand(cmp, 0));
_______________________________________________
llvm-commits mailing list
llvm-commits@cs.uiuc.edu
http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
