This patch adds the appropriate macros, tests and codec entries to encode the following variants:
LD1B { <Zt>.D }, <Pg>/Z, [<Xn|SP>, <Zm>.D, <extend>]
LD1B { <Zt>.S }, <Pg>/Z, [<Xn|SP>, <Zm>.S, <extend>]
LD1D { <Zt>.D }, <Pg>/Z, [<Xn|SP>, <Zm>.D, <extend> #3]
LD1D { <Zt>.D }, <Pg>/Z, [<Xn|SP>, <Zm>.D, <extend>]
LD1H { <Zt>.D }, <Pg>/Z, [<Xn|SP>, <Zm>.D, <extend> #1]
LD1H { <Zt>.D }, <Pg>/Z, [<Xn|SP>, <Zm>.D, <extend>]
LD1H { <Zt>.S }, <Pg>/Z, [<Xn|SP>, <Zm>.S, <extend> #1]
LD1H { <Zt>.S }, <Pg>/Z, [<Xn|SP>, <Zm>.S, <extend>]
LD1SB { <Zt>.D }, <Pg>/Z, [<Xn|SP>, <Zm>.D, <extend>]
LD1SB { <Zt>.S }, <Pg>/Z, [<Xn|SP>, <Zm>.S, <extend>]
LD1SH { <Zt>.D }, <Pg>/Z, [<Xn|SP>, <Zm>.D, <extend> #1]
LD1SH { <Zt>.D }, <Pg>/Z, [<Xn|SP>, <Zm>.D, <extend>]
LD1SH { <Zt>.S }, <Pg>/Z, [<Xn|SP>, <Zm>.S, <extend> #1]
LD1SH { <Zt>.S }, <Pg>/Z, [<Xn|SP>, <Zm>.S, <extend>]
LD1SW { <Zt>.D }, <Pg>/Z, [<Xn|SP>, <Zm>.D, <extend> #2]
LD1SW { <Zt>.D }, <Pg>/Z, [<Xn|SP>, <Zm>.D, <extend>]
LD1W { <Zt>.D }, <Pg>/Z, [<Xn|SP>, <Zm>.D, <extend> #2]
LD1W { <Zt>.D }, <Pg>/Z, [<Xn|SP>, <Zm>.D, <extend>]
LD1W { <Zt>.S }, <Pg>/Z, [<Xn|SP>, <Zm>.S, <extend> #2]
LD1W { <Zt>.S }, <Pg>/Z, [<Xn|SP>, <Zm>.S, <extend>]
LDFF1B { <Zt>.D }, <Pg>/Z, [<Xn|SP>, <Zm>.D, <extend>]
LDFF1B { <Zt>.S }, <Pg>/Z, [<Xn|SP>, <Zm>.S, <extend>]
LDFF1D { <Zt>.D }, <Pg>/Z, [<Xn|SP>, <Zm>.D, <extend> #3]
LDFF1D { <Zt>.D }, <Pg>/Z, [<Xn|SP>, <Zm>.D, <extend>]
LDFF1H { <Zt>.D }, <Pg>/Z, [<Xn|SP>, <Zm>.D, <extend> #1]
LDFF1H { <Zt>.D }, <Pg>/Z, [<Xn|SP>, <Zm>.D, <extend>]
LDFF1H { <Zt>.S }, <Pg>/Z, [<Xn|SP>, <Zm>.S, <extend> #1]
LDFF1H { <Zt>.S }, <Pg>/Z, [<Xn|SP>, <Zm>.S, <extend>]
LDFF1SB { <Zt>.D }, <Pg>/Z, [<Xn|SP>, <Zm>.D, <extend>]
LDFF1SB { <Zt>.S }, <Pg>/Z, [<Xn|SP>, <Zm>.S, <extend>]
LDFF1SH { <Zt>.D }, <Pg>/Z, [<Xn|SP>, <Zm>.D, <extend> #1]
LDFF1SH { <Zt>.D }, <Pg>/Z, [<Xn|SP>, <Zm>.D, <extend>]
LDFF1SH { <Zt>.S }, <Pg>/Z, [<Xn|SP>, <Zm>.S, <extend> #1]
LDFF1SH { <Zt>.S }, <Pg>/Z, [<Xn|SP>, <Zm>.S, <extend>]
LDFF1SW { <Zt>.D }, <Pg>/Z, [<Xn|SP>, <Zm>.D, <extend> #2]
LDFF1SW { <Zt>.D }, <Pg>/Z, [<Xn|SP>, <Zm>.D, <extend>]
LDFF1W { <Zt>.D }, <Pg>/Z, [<Xn|SP>, <Zm>.D, <extend> #2]
LDFF1W { <Zt>.D }, <Pg>/Z, [<Xn|SP>, <Zm>.D, <extend>]
LDFF1W { <Zt>.S }, <Pg>/Z, [<Xn|SP>, <Zm>.S, <extend> #2]
LDFF1W { <Zt>.S }, <Pg>/Z, [<Xn|SP>, <Zm>.S, <extend>]
PRFB <prfop>, <Pg>, [<Xn|SP>, <Zm>.D, <extend>]
PRFB <prfop>, <Pg>, [<Xn|SP>, <Zm>.S, <extend>]
PRFD <prfop>, <Pg>, [<Xn|SP>, <Zm>.D, <extend> #3]
PRFD <prfop>, <Pg>, [<Xn|SP>, <Zm>.S, <extend> #3]
PRFH <prfop>, <Pg>, [<Xn|SP>, <Zm>.D, <extend> #1]
PRFH <prfop>, <Pg>, [<Xn|SP>, <Zm>.S, <extend> #1]
PRFW <prfop>, <Pg>, [<Xn|SP>, <Zm>.D, <extend> #2]
PRFW <prfop>, <Pg>, [<Xn|SP>, <Zm>.S, <extend> #2]
ST1B { <Zt>.D }, <Pg>, [<Xn|SP>, <Zm>.D, <extend>]
ST1B { <Zt>.S }, <Pg>, [<Xn|SP>, <Zm>.S, <extend>]
ST1D { <Zt>.D }, <Pg>, [<Xn|SP>, <Zm>.D, <extend> #3]
ST1D { <Zt>.D }, <Pg>, [<Xn|SP>, <Zm>.D, <extend>]
ST1H { <Zt>.D }, <Pg>, [<Xn|SP>, <Zm>.D, <extend> #1]
ST1H { <Zt>.D }, <Pg>, [<Xn|SP>, <Zm>.D, <extend>]
ST1H { <Zt>.S }, <Pg>, [<Xn|SP>, <Zm>.S, <extend> #1]
ST1H { <Zt>.S }, <Pg>, [<Xn|SP>, <Zm>.S, <extend>]
ST1W { <Zt>.D }, <Pg>, [<Xn|SP>, <Zm>.D, <extend> #2]
ST1W { <Zt>.D }, <Pg>, [<Xn|SP>, <Zm>.D, <extend>]
ST1W { <Zt>.S }, <Pg>, [<Xn|SP>, <Zm>.S, <extend> #2]
ST1W { <Zt>.S }, <Pg>, [<Xn|SP>, <Zm>.S, <extend>]Issue: #3044