FpFunctionUnit

The scalar memory access functional units include ldu, stu, and mou; the instructions supported by each functional unit are shown in the table below:

ldu

Instructions supported by ldu fu
Functional Unit	Supported Instruction	Extension	Description
ldu	FLD	D	scalar
ldu	FLW	F	scalar
ldu	LB	I	scalar
ldu	LBU	I	scalar
ldu	LD	D	scalar
ldu	LH	I	scalar
ldu	LHU	I	scalar
ldu	LW	I	scalar
ldu	LWU	I	scalar
ldu	HLV.B		scalar
ldu	HLV.BU		scalar
ldu	HLV.D		scalar
ldu	HLV.H		scalar
ldu	HLV.HU		scalar
ldu	HLV.W		scalar
ldu	HLV.WU		scalar
ldu	HLVX.HU		scalar
ldu	HLVX.WU		scalar

Instructions supported by sdu fu
Functional Unit	Supported Instruction	Extension	Description
stu	SB	I	scalar
stu	SD	I	scalar
stu	SH	I	scalar
stu	SW	I	scalar
stu	FSD	D	scalar
stu	FSW	F	scalar
stu	FSH	Zfh	scalar
stu	CBO_CLEAN	CBO	scalar
stu	CBO_FLUSH	CBO	scalar
stu	CBO_INVAL	CBO	scalar
stu	CBO_ZERO	CBO	scalar
stu	HSV.B		scalar
stu	HSV.D		scalar
stu	HSV.H		scalar
stu	HSV.W		scalar

Instructions supported by mou fu
Functional Unit	Supported Instruction	Extension	Description
mou	AMOADD_D	A	scalar
mou	AMOADD_W	A	scalar
mou	AMOAND_D	A	scalar
mou	AMOAND_W	A	scalar
mou	AMOMAX_D	A	scalar
mou	AMOMAX_W	A	scalar
mou	AMOMAXU_D	A	scalar
mou	AMOMAXU_W	A	scalar
mou	AMOMIN_D	A	scalar
mou	AMOMIN_W	A	scalar
mou	AMOMINU_D	A	scalar
mou	AMOMINU_W	A	scalar
mou	AMOOR_D	A	scalar
mou	AMOOR_W	A	scalar
mou	AMOSWAP_D	A	scalar
mou	AMOSWAP_W	A	scalar
mou	AMOXOR_D	A	scalar
mou	AMOXOR_W	A	scalar
mou	LR_D	A	scalar
mou	LR_W	A	scalar
mou	SC_D	A	scalar
mou	SC_W	A	scalar