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@ test register and multi-register loads and stores.

        .text

        .arm

        .syntax unified

        .macro multi op dir="" wb=""

        \op\dir r2\wb,{d2}

        \op\dir r2\wb,{d2-d3}

        \op\dir r2\wb,{q2-q3}

        \op\dir r2\wb,{q12-q14,q15}

        \op\dir r2\wb,{d3,d4,d5-d8,d9,d10,d11,d12-d16,d17-d18}

        .endm

        multi vldm

        multi vldm ia

        multi vldm ia "!"

        multi vldm db "!"

        multi vstm

        multi vstm ia

        multi vstm ia "!"

        multi vstm db "!"

backward:

        .word 500

        .macro single op offset=""

        \op d5,[r3]

        \op d5,[r3,#-\offset]

        \op d5,[r3,#\offset]

        .endm

        vldr d22, forward

        single vldr 4

        single vstr 4

        single vldr 256

        single vstr 256

forward:

        .word 700

        vldr d7, backward