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Diffstat (limited to 'lib/Target/Hexagon/HexagonISelDAGToDAG.cpp')
-rw-r--r--lib/Target/Hexagon/HexagonISelDAGToDAG.cpp61
1 files changed, 55 insertions, 6 deletions
diff --git a/lib/Target/Hexagon/HexagonISelDAGToDAG.cpp b/lib/Target/Hexagon/HexagonISelDAGToDAG.cpp
index 3a1c48b..ba6c100 100644
--- a/lib/Target/Hexagon/HexagonISelDAGToDAG.cpp
+++ b/lib/Target/Hexagon/HexagonISelDAGToDAG.cpp
@@ -113,6 +113,46 @@ public:
SDNode *SelectAdd(SDNode *N);
bool isConstExtProfitable(SDNode *N) const;
+// XformMskToBitPosU5Imm - Returns the bit position which
+// the single bit 32 bit mask represents.
+// Used in Clr and Set bit immediate memops.
+SDValue XformMskToBitPosU5Imm(uint32_t Imm) {
+ int32_t bitPos;
+ bitPos = Log2_32(Imm);
+ assert(bitPos >= 0 && bitPos < 32 &&
+ "Constant out of range for 32 BitPos Memops");
+ return CurDAG->getTargetConstant(bitPos, MVT::i32);
+}
+
+// XformMskToBitPosU4Imm - Returns the bit position which the single bit 16 bit
+// mask represents. Used in Clr and Set bit immediate memops.
+SDValue XformMskToBitPosU4Imm(uint16_t Imm) {
+ return XformMskToBitPosU5Imm(Imm);
+}
+
+// XformMskToBitPosU3Imm - Returns the bit position which the single bit 8 bit
+// mask represents. Used in Clr and Set bit immediate memops.
+SDValue XformMskToBitPosU3Imm(uint8_t Imm) {
+ return XformMskToBitPosU5Imm(Imm);
+}
+
+// Return true if there is exactly one bit set in V, i.e., if V is one of the
+// following integers: 2^0, 2^1, ..., 2^31.
+bool ImmIsSingleBit(uint32_t v) const {
+ uint32_t c = CountPopulation_64(v);
+ // Only return true if we counted 1 bit.
+ return c == 1;
+}
+
+// XformM5ToU5Imm - Return a target constant with the specified value, of type
+// i32 where the negative literal is transformed into a positive literal for
+// use in -= memops.
+inline SDValue XformM5ToU5Imm(signed Imm) {
+ assert( (Imm >= -31 && Imm <= -1) && "Constant out of range for Memops");
+ return CurDAG->getTargetConstant( - Imm, MVT::i32);
+}
+
+
// XformU7ToU7M1Imm - Return a target constant decremented by 1, in range
// [1..128], used in cmpb.gtu instructions.
inline SDValue XformU7ToU7M1Imm(signed Imm) {
@@ -120,6 +160,17 @@ inline SDValue XformU7ToU7M1Imm(signed Imm) {
return CurDAG->getTargetConstant(Imm - 1, MVT::i8);
}
+// XformS8ToS8M1Imm - Return a target constant decremented by 1.
+inline SDValue XformSToSM1Imm(signed Imm) {
+ return CurDAG->getTargetConstant(Imm - 1, MVT::i32);
+}
+
+// XformU8ToU8M1Imm - Return a target constant decremented by 1.
+inline SDValue XformUToUM1Imm(unsigned Imm) {
+ assert((Imm >= 1) && "Cannot decrement unsigned int less than 1");
+ return CurDAG->getTargetConstant(Imm - 1, MVT::i32);
+}
+
// Include the pieces autogenerated from the target description.
#include "HexagonGenDAGISel.inc"
};
@@ -657,7 +708,7 @@ SDNode *HexagonDAGToDAGISel::SelectIndexedStore(StoreSDNode *ST, DebugLoc dl) {
// Build post increment store.
SDNode* Result = CurDAG->getMachineNode(Opcode, dl, MVT::i32,
- MVT::Other, Ops, 4);
+ MVT::Other, Ops);
MachineSDNode::mmo_iterator MemOp = MF->allocateMemRefsArray(1);
MemOp[0] = ST->getMemOperand();
cast<MachineSDNode>(Result)->setMemRefs(MemOp, MemOp + 1);
@@ -683,8 +734,7 @@ SDNode *HexagonDAGToDAGISel::SelectIndexedStore(StoreSDNode *ST, DebugLoc dl) {
// Build regular store.
SDValue TargetConstVal = CurDAG->getTargetConstant(Val, MVT::i32);
- SDNode* Result_1 = CurDAG->getMachineNode(Opcode, dl, MVT::Other, Ops,
- 4);
+ SDNode* Result_1 = CurDAG->getMachineNode(Opcode, dl, MVT::Other, Ops);
// Build splitted incriment instruction.
SDNode* Result_2 = CurDAG->getMachineNode(Hexagon::ADD_ri, dl, MVT::i32,
Base,
@@ -740,7 +790,7 @@ SDNode *HexagonDAGToDAGISel::SelectBaseOffsetStore(StoreSDNode *ST,
Value, Chain};
// build indexed store
SDNode* Result = CurDAG->getMachineNode(Opcode, dl,
- MVT::Other, Ops, 4);
+ MVT::Other, Ops);
MachineSDNode::mmo_iterator MemOp = MF->allocateMemRefsArray(1);
MemOp[0] = ST->getMemOperand();
cast<MachineSDNode>(Result)->setMemRefs(MemOp, MemOp + 1);
@@ -1190,8 +1240,7 @@ SDNode *HexagonDAGToDAGISel::SelectIntrinsicWOChain(SDNode *N) {
}
EVT ReturnValueVT = N->getValueType(0);
SDNode *Result = CurDAG->getMachineNode(IntrinsicWithPred, dl,
- ReturnValueVT,
- Ops.data(), Ops.size());
+ ReturnValueVT, Ops);
ReplaceUses(N, Result);
return Result;
}