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-rw-r--r--src/gallium/drivers/radeon/AMDILISelDAGToDAG.cpp29
-rw-r--r--src/gallium/drivers/radeon/R600CodeEmitter.cpp2
-rw-r--r--src/gallium/drivers/radeon/R600Instructions.td6
3 files changed, 33 insertions, 4 deletions
diff --git a/src/gallium/drivers/radeon/AMDILISelDAGToDAG.cpp b/src/gallium/drivers/radeon/AMDILISelDAGToDAG.cpp
index b14a360c3cc..d7b08b0aa77 100644
--- a/src/gallium/drivers/radeon/AMDILISelDAGToDAG.cpp
+++ b/src/gallium/drivers/radeon/AMDILISelDAGToDAG.cpp
@@ -69,6 +69,7 @@ private:
bool SelectADDR8BitOffset(SDValue Addr, SDValue& Base, SDValue& Offset);
bool SelectADDRReg(SDValue Addr, SDValue& Base, SDValue& Offset);
+ bool SelectADDRVTX_READ(SDValue Addr, SDValue &Base, SDValue &Offset);
// Include the pieces autogenerated from the target description.
#include "AMDGPUGenDAGISel.inc"
@@ -556,6 +557,34 @@ bool AMDILDAGToDAGISel::SelectADDR8BitOffset(SDValue Addr, SDValue& Base,
return true;
}
+bool AMDILDAGToDAGISel::SelectADDRVTX_READ(SDValue Addr, SDValue &Base,
+ SDValue &Offset)
+{
+ ConstantSDNode * IMMOffset;
+
+ if (Addr.getOpcode() == ISD::ADD
+ && (IMMOffset = dyn_cast<ConstantSDNode>(Addr.getOperand(1)))
+ && isInt<16>(IMMOffset->getZExtValue())) {
+
+ Base = Addr.getOperand(0);
+ Offset = CurDAG->getTargetConstant(IMMOffset->getZExtValue(), MVT::i32);
+ return true;
+ // If the pointer address is constant, we can move it to the offset field.
+ } else if ((IMMOffset = dyn_cast<ConstantSDNode>(Addr))
+ && isInt<16>(IMMOffset->getZExtValue())) {
+ Base = CurDAG->getCopyFromReg(CurDAG->getEntryNode(),
+ CurDAG->getEntryNode().getDebugLoc(),
+ AMDIL::ZERO, MVT::i32);
+ Offset = CurDAG->getTargetConstant(IMMOffset->getZExtValue(), MVT::i32);
+ return true;
+ }
+
+ // Default case, no offset
+ Base = Addr;
+ Offset = CurDAG->getTargetConstant(0, MVT::i32);
+ return true;
+}
+
bool AMDILDAGToDAGISel::SelectADDRReg(SDValue Addr, SDValue& Base,
SDValue& Offset) {
if (Addr.getOpcode() == ISD::TargetExternalSymbol ||
diff --git a/src/gallium/drivers/radeon/R600CodeEmitter.cpp b/src/gallium/drivers/radeon/R600CodeEmitter.cpp
index 8715f1133e8..f75c2f51bdc 100644
--- a/src/gallium/drivers/radeon/R600CodeEmitter.cpp
+++ b/src/gallium/drivers/radeon/R600CodeEmitter.cpp
@@ -255,7 +255,7 @@ bool R600CodeEmitter::runOnMachineFunction(MachineFunction &MF) {
emitByte(0);
// offset
- emitTwoBytes(0);
+ emitTwoBytes(MI.getOperand(2).getImm());
// endian
emitByte(0);
diff --git a/src/gallium/drivers/radeon/R600Instructions.td b/src/gallium/drivers/radeon/R600Instructions.td
index e12ebab60c9..921d5650060 100644
--- a/src/gallium/drivers/radeon/R600Instructions.td
+++ b/src/gallium/drivers/radeon/R600Instructions.td
@@ -51,6 +51,7 @@ def MEMrr : Operand<iPTR> {
def ADDRParam : ComplexPattern<i32, 2, "SelectADDRParam", [], []>;
def ADDRDWord : ComplexPattern<i32, 1, "SelectADDRDWord", [], []>;
+def ADDRVTX_READ : ComplexPattern<i32, 2, "SelectADDRVTX_READ", [], []>;
class R600_ALU {
@@ -225,7 +226,6 @@ def store_global : PatFrag<(ops node:$value, node:$ptr),
def load_param : PatFrag<(ops node:$ptr),
(load node:$ptr),
[{
- return true;
const Value *Src = cast<LoadSDNode>(N)->getSrcValue();
if (Src) {
PointerType * PT = dyn_cast<PointerType>(Src->getType());
@@ -804,11 +804,11 @@ class VTX_READ_eg <int buffer_id, list<dag> pattern> : InstR600ISA <
>;
def VTX_READ_PARAM_eg : VTX_READ_eg <0,
- [(set (i32 R600_TReg32_X:$dst), (load_param ADDRParam:$ptr))]
+ [(set (i32 R600_TReg32_X:$dst), (load_param ADDRVTX_READ:$ptr))]
>;
def VTX_READ_GLOBAL_eg : VTX_READ_eg <1,
- [(set (i32 R600_TReg32_X:$dst), (global_load ADDRParam:$ptr))]
+ [(set (i32 R600_TReg32_X:$dst), (global_load ADDRVTX_READ:$ptr))]
>;
} // End isEG Predicate