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authorVincent Lejeune <[email protected]>2012-09-04 17:28:26 +0200
committerVincent Lejeune <[email protected]>2012-09-04 17:54:37 +0200
commit8eaa36317a0a2911cb78066947bc841dd8ce86c8 (patch)
treeb6d8c1993656527541a86e36c4b34fd13b4386c6 /src/gallium/drivers/radeon/R600ISelLowering.cpp
parenta4325b32298cb99b1e99620a33ef0bee52298c3c (diff)
radeon/llvm: do not convert f32 operand of select_cc node
v2:-use camel coding style Reviewed-by: Tom Stellard <[email protected]>
Diffstat (limited to 'src/gallium/drivers/radeon/R600ISelLowering.cpp')
-rw-r--r--src/gallium/drivers/radeon/R600ISelLowering.cpp40
1 files changed, 20 insertions, 20 deletions
diff --git a/src/gallium/drivers/radeon/R600ISelLowering.cpp b/src/gallium/drivers/radeon/R600ISelLowering.cpp
index 79cd6229972..5642ee8fff3 100644
--- a/src/gallium/drivers/radeon/R600ISelLowering.cpp
+++ b/src/gallium/drivers/radeon/R600ISelLowering.cpp
@@ -441,32 +441,32 @@ SDValue R600TargetLowering::LowerSELECT_CC(SDValue Op, SelectionDAG &DAG) const
// necessary we need to convert LHS and RHS to be the same type True and
// False. True and False are guaranteed to have the same type as this
// SELECT_CC node.
-
- if (CompareVT != VT) {
- ISD::NodeType ConversionOp = ISD::DELETED_NODE;
- if (VT == MVT::f32 && CompareVT == MVT::i32) {
- if (isUnsignedIntSetCC(CCOpcode)) {
- ConversionOp = ISD::UINT_TO_FP;
+
+ if (isHWTrueValue(True) && isHWFalseValue(False)) {
+ if (CompareVT != VT) {
+ if (VT == MVT::f32 && CompareVT == MVT::i32) {
+ SDValue Boolean = DAG.getNode(ISD::SELECT_CC, DL, CompareVT,
+ LHS, RHS,
+ DAG.getConstant(-1, MVT::i32),
+ DAG.getConstant(0, MVT::i32),
+ CC);
+ return DAG.getNode(ISD::UINT_TO_FP, DL, VT, Boolean);
+ } else if (VT == MVT::i32 && CompareVT == MVT::f32) {
+ SDValue BoolAsFlt = DAG.getNode(ISD::SELECT_CC, DL, CompareVT,
+ LHS, RHS,
+ DAG.getConstantFP(1.0f, MVT::f32),
+ DAG.getConstantFP(0.0f, MVT::f32),
+ CC);
+ return DAG.getNode(ISD::FP_TO_UINT, DL, VT, BoolAsFlt);
} else {
- ConversionOp = ISD::SINT_TO_FP;
+ // I don't think there will be any other type pairings.
+ assert(!"Unhandled operand type parings in SELECT_CC");
}
- } else if (VT == MVT::i32 && CompareVT == MVT::f32) {
- ConversionOp = ISD::FP_TO_SINT;
} else {
- // I don't think there will be any other type pairings.
- assert(!"Unhandled operand type parings in SELECT_CC");
+ return DAG.getNode(ISD::SELECT_CC, DL, VT, LHS, RHS, True, False, CC);
}
- // XXX Check the value of LHS and RHS and avoid creating sequences like
- // (FTOI (ITOF))
- LHS = DAG.getNode(ConversionOp, DL, VT, LHS);
- RHS = DAG.getNode(ConversionOp, DL, VT, RHS);
}
- // If True is a hardware TRUE value and False is a hardware FALSE value or
- // vice-versa we can handle this with a native instruction (SET* instructions).
- if ((isHWTrueValue(True) && isHWFalseValue(False))) {
- return DAG.getNode(ISD::SELECT_CC, DL, VT, LHS, RHS, True, False, CC);
- }
// XXX If True is a hardware TRUE value and False is a hardware FALSE value,
// we can handle this with a native instruction, but we need to swap true