{AVMOV, C_ELEM, C_NONE, C_NONE, C_ZREG, C_NONE, 73, 4, 0, 0, 0},
	{AVMOV, C_ELEM, C_NONE, C_NONE, C_ELEM, C_NONE, 92, 4, 0, 0, 0},
	{AVMOV, C_ELEM, C_NONE, C_NONE, C_VREG, C_NONE, 80, 4, 0, 0, 0},
	{AVMOV, C_ZREG, C_NONE, C_NONE, C_ARNG, C_NONE, 82, 4, 0, 0, 0},
	{AVMOV, C_ZREG, C_NONE, C_NONE, C_ELEM, C_NONE, 78, 4, 0, 0, 0},
	{AVMOV, C_ARNG, C_NONE, C_NONE, C_ARNG, C_NONE, 83, 4, 0, 0, 0},

(GreaterEqualNoov (InvertFlags x)) => (CSINC [OpARM64NotEqual] (LessThanNoov <typ.Bool> x) (MOVDconst [0]) x)

// Don't bother extending if we're not using the higher bits.
(MOV(B|BU)reg x) && v.Type.Size() <= 1 => x
(MOV(H|HU)reg x) && v.Type.Size() <= 2 => x
(MOV(W|WU)reg x) && v.Type.Size() <= 4 => x

// omit sign extension
(MOVWreg <t> (ANDconst x [c])) && uint64(c) & uint64(0xffffffff80000000) == 0 => (ANDconst <t> x [c])