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Diffstat (limited to 'lib/Target/ARM/ARMISelDAGToDAG.cpp')
-rw-r--r--lib/Target/ARM/ARMISelDAGToDAG.cpp42
1 files changed, 33 insertions, 9 deletions
diff --git a/lib/Target/ARM/ARMISelDAGToDAG.cpp b/lib/Target/ARM/ARMISelDAGToDAG.cpp
index 7c67e0a1e3..bc8588f948 100644
--- a/lib/Target/ARM/ARMISelDAGToDAG.cpp
+++ b/lib/Target/ARM/ARMISelDAGToDAG.cpp
@@ -1566,6 +1566,19 @@ static unsigned getVLDSTRegisterUpdateOpcode(unsigned Opc) {
case ARM::VLD1q16PseudoWB_fixed: return ARM::VLD1q16PseudoWB_register;
case ARM::VLD1q32PseudoWB_fixed: return ARM::VLD1q32PseudoWB_register;
case ARM::VLD1q64PseudoWB_fixed: return ARM::VLD1q64PseudoWB_register;
+
+ case ARM::VST1d8wb_fixed: return ARM::VST1d8wb_register;
+ case ARM::VST1d16wb_fixed: return ARM::VST1d16wb_register;
+ case ARM::VST1d32wb_fixed: return ARM::VST1d32wb_register;
+ case ARM::VST1d64wb_fixed: return ARM::VST1d64wb_register;
+ case ARM::VST1q8wb_fixed: return ARM::VST1q8wb_register;
+ case ARM::VST1q16wb_fixed: return ARM::VST1q16wb_register;
+ case ARM::VST1q32wb_fixed: return ARM::VST1q32wb_register;
+ case ARM::VST1q64wb_fixed: return ARM::VST1q64wb_register;
+ case ARM::VST1q8PseudoWB_fixed: return ARM::VST1q8PseudoWB_register;
+ case ARM::VST1q16PseudoWB_fixed: return ARM::VST1q16PseudoWB_register;
+ case ARM::VST1q32PseudoWB_fixed: return ARM::VST1q32PseudoWB_register;
+ case ARM::VST1q64PseudoWB_fixed: return ARM::VST1q64PseudoWB_register;
}
return Opc; // If not one we handle, return it unchanged.
}
@@ -1635,11 +1648,12 @@ SDNode *ARMDAGToDAGISel::SelectVLD(SDNode *N, bool isUpdating, unsigned NumVecs,
SDValue Inc = N->getOperand(AddrOpIdx + 1);
// FIXME: VLD1 fixed increment doesn't need Reg0. Remove the reg0
// case entirely when the rest are updated to that form, too.
- // Do that before committing this change. Likewise, the opcode
- // update call will become unconditional.
if (NumVecs == 1 && !isa<ConstantSDNode>(Inc.getNode()))
Opc = getVLDSTRegisterUpdateOpcode(Opc);
- if (NumVecs != 1 || !isa<ConstantSDNode>(Inc.getNode()))
+ // We use a VST1 for v1i64 even if the pseudo says vld2/3/4, so
+ // check for that explicitly too. Horribly hacky, but temporary.
+ if ((NumVecs != 1 && Opc != ARM::VLD1q64PseudoWB_fixed) ||
+ !isa<ConstantSDNode>(Inc.getNode()))
Ops.push_back(isa<ConstantSDNode>(Inc.getNode()) ? Reg0 : Inc);
}
Ops.push_back(Pred);
@@ -1782,7 +1796,15 @@ SDNode *ARMDAGToDAGISel::SelectVST(SDNode *N, bool isUpdating, unsigned NumVecs,
Ops.push_back(Align);
if (isUpdating) {
SDValue Inc = N->getOperand(AddrOpIdx + 1);
- Ops.push_back(isa<ConstantSDNode>(Inc.getNode()) ? Reg0 : Inc);
+ // FIXME: VST1 fixed increment doesn't need Reg0. Remove the reg0
+ // case entirely when the rest are updated to that form, too.
+ if (NumVecs == 1 && !isa<ConstantSDNode>(Inc.getNode()))
+ Opc = getVLDSTRegisterUpdateOpcode(Opc);
+ // We use a VST1 for v1i64 even if the pseudo says vld2/3/4, so
+ // check for that explicitly too. Horribly hacky, but temporary.
+ if ((NumVecs != 1 && Opc != ARM::VST1q64PseudoWB_fixed) ||
+ !isa<ConstantSDNode>(Inc.getNode()))
+ Ops.push_back(isa<ConstantSDNode>(Inc.getNode()) ? Reg0 : Inc);
}
Ops.push_back(SrcReg);
Ops.push_back(Pred);
@@ -2844,16 +2866,18 @@ SDNode *ARMDAGToDAGISel::Select(SDNode *N) {
}
case ARMISD::VST1_UPD: {
- unsigned DOpcodes[] = { ARM::VST1d8_UPD, ARM::VST1d16_UPD,
- ARM::VST1d32_UPD, ARM::VST1d64_UPD };
- unsigned QOpcodes[] = { ARM::VST1q8Pseudo_UPD, ARM::VST1q16Pseudo_UPD,
- ARM::VST1q32Pseudo_UPD, ARM::VST1q64Pseudo_UPD };
+ unsigned DOpcodes[] = { ARM::VST1d8wb_fixed, ARM::VST1d16wb_fixed,
+ ARM::VST1d32wb_fixed, ARM::VST1d64wb_fixed };
+ unsigned QOpcodes[] = { ARM::VST1q8PseudoWB_fixed,
+ ARM::VST1q16PseudoWB_fixed,
+ ARM::VST1q32PseudoWB_fixed,
+ ARM::VST1q64PseudoWB_fixed };
return SelectVST(N, true, 1, DOpcodes, QOpcodes, 0);
}
case ARMISD::VST2_UPD: {
unsigned DOpcodes[] = { ARM::VST2d8Pseudo_UPD, ARM::VST2d16Pseudo_UPD,
- ARM::VST2d32Pseudo_UPD, ARM::VST1q64Pseudo_UPD };
+ ARM::VST2d32Pseudo_UPD, ARM::VST1q64PseudoWB_fixed};
unsigned QOpcodes[] = { ARM::VST2q8Pseudo_UPD, ARM::VST2q16Pseudo_UPD,
ARM::VST2q32Pseudo_UPD };
return SelectVST(N, true, 2, DOpcodes, QOpcodes, 0);