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[Hexagon] Have GetDynamicTLSAddr call __tls_get_addr directly.
AbandonedPublic

Authored by sidneym on Jan 10 2020, 11:32 AM.

Summary

Maybe keep the GDPLT relocation (this patch currently removes it) so other tools can recognize this but point the call __tls_get_addr.

sidneym created this object with visibility "No One".

sidneym changed the visibility from "No One" to "Public (No Login Required)".Jan 14 2020, 9:51 AM

Path

Size

llvm/

lib/

Target/

Hexagon/

10 lines

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	MachineFrameInfo &MFI = MF.getFrameInfo();	MachineFrameInfo &MFI = MF.getFrameInfo();
	SDVTList NodeTys = DAG.getVTList(MVT::Other, MVT::Glue);	SDVTList NodeTys = DAG.getVTList(MVT::Other, MVT::Glue);
	SDLoc dl(GA);	SDLoc dl(GA);
	SDValue TGA = DAG.getTargetGlobalAddress(GA->getGlobal(), dl,	SDValue TGA = DAG.getTargetExternalSymbol("__tls_get_addr", PtrVT,
	GA->getValueType(0),	OperandFlags);
	GA->getOffset(),
	OperandFlags);
	// Create Operands for the call.The Operands should have the following:	// Create Operands for the call.The Operands should have the following:
	// 1. Chain SDValue	// 1. Chain SDValue
	// 2. Callee which in this case is the Global address value.	// 2. Callee which in this case is the Global address value.
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	unsigned Flags =	unsigned Flags =
	static_cast<const HexagonSubtarget &>(DAG.getSubtarget()).useLongCalls()	static_cast<const HexagonSubtarget &>(DAG.getSubtarget()).useLongCalls()
	? HexagonII::MO_GDPLT \| HexagonII::HMOTF_ConstExtended	? HexagonII::HMOTF_ConstExtended
	: HexagonII::MO_GDPLT;	: 0;

	return GetDynamicTLSAddr(DAG, Chain, GA, InFlag, PtrVT,	return GetDynamicTLSAddr(DAG, Chain, GA, InFlag, PtrVT,
	Hexagon::R0, Flags);	Hexagon::R0, Flags);
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