Memory Tagging Extension (MTE)
- related instructions findable by searching spec for pcode HaveMTEExt() calls, or arch feature ARMv8.5-MemTag
- incomplete list here: https://en.wikichip.org/wiki/arm/mte

ADDG 	Add with Tag					ADDG_64_addsub_immtags		ADDG <Xd|SP>, <Xn|SP>, #<uimm6>, #<uimm4>
CMPP 	Compare with Tag				CMPP_SUBPS_64S_dp_2src		CMPP <Xn|SP>, <Xm|SP>
GMI 	Tag Mask Insert					GMI_64G_dp_2src				GMI <Xd>, <Xn|SP>, <Xm>
IRG 	Insert Random Tag				IRG_64I_dp_2src				IRG <Xd|SP>, <Xn|SP>{, <Xm>}
LDG 	Load Allocation Tag 			LDG_64Loffset_ldsttags		LDG <Xt>, [<Xn|SP>{, #<simm>}]
LDGV 	Load Tag Vector					??? 						LDGV <Xt>, [<Xn|SP>]!
LDGM	Load Tag Multiple				LDGM_64bulk_ldsttags		LDGM <Xt>, [<Xn|SP>]
ST2G 	Store Allocaton Tags 			ST2G_64Spost_ldsttags		ST2G [<Xn|SP>], #<simm>
										ST2G_64Spre_ldsttags		ST2G [<Xn|SP>, #<simm>]!
										ST2G_64Soffset_ldsttags		ST2G <Xt|SP>, [<Xn|SP>{, #<simm>}]
STG 	Store Allocation Tag 			STG_64Spost_ldsttags		STG [<Xn|SP>], #<simm>
										STG_64Spre_ldsttags			STG [<Xn|SP>, #<simm>]!
										STG_64Soffset_ldsttags		STG [<Xn|SP>{, #<simm>}]
STGM	Store Tag Multiple				STGM_64bulk_ldsttags		STGM <Xt>, [<Xn|SP>]
STGP 	Store Allocation Tag and Pair	STGP_64_ldstpair_post		STGP <Xt1>, <Xt2>, [<Xn|SP>], #<imm>
										STGP_64_ldstpair_pre		STGP <Xt1>, <Xt2>, [<Xn|SP>, #<imm>]!
										STGP_64_ldstpair_off		STGP <Xt1>, <Xt2>, [<Xn|SP>{, #<imm>}]
STGV 	Store Tag Vector 				???							STGV <Xt>, [<Xn|SP>]!
STZ2G 	Store Allocation Tags, Zeroing 	STZ2G_64Spost_ldsttags		STZ2G [<Xn|SP>], #<simm>
										STZ2G_64Spre_ldsttags		STZ2G [<Xn|SP>, #<simm>]!
										STZ2G_64Soffset_ldsttags	STZ2G [<Xn|SP>{, #<simm>}]
STZG 	Store Allocation Tag, Zeroing 	STZG_64Spost_ldsttags		STZG [<Xn|SP>], #<simm>
										STZG_64Spre_ldsttags		STZG [<Xn|SP>, #<simm>]!
										STZG_64Soffset_ldsttags		STZG [<Xn|SP>{, #<simm>}]
STZGM	Store Tag and Zero Multiple		STZGM_64bulk_ldsttags		STZGM <Xt>, [<Xn|SP>]
SUBG 	Subtract with Tag				SUBG_64_addsub_immtags		SUBG <Xd|SP>, <Xn|SP>, #<uimm6>, #<uimm4>
SUBP 	Subtract Pointer				SUBP_64S_dp_2src			SUBP <Xd>, <Xn|SP>, <Xm|SP>
SUBPS 	Subtract Pointer, setting Flags	SUBPS_64S_dp_2src			SUBPS <Xd>, <Xn|SP>, <Xm|SP>