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# Instructions including a register list (opcode is represented as a mask).

 .data

foodata: .word 42

         .text

footext:

        .global push

push:

push ra, {r3, r4}

push r2

        .global pushx

pushx:

pushx sp, {r0, r1, r2, r3, r4, r5, r6, r7}

pushx r6, {hi, lo}

        .global pop

pop:

pop r0, {r10}

pop r2

        .global popx

popx:

popx sp, {r0, r1, r3, r4, r5, r6, r7}

popx r7, {lo, hi}

        .global popret

popret:

popret r13, {ra, r1}

popret ra

        .global loadm

loadm:

loadm r0, {r1, r6}

        .global loadma

loadma:

loadma r13, {u12, u4, u2}

        .global storm

storm:

storm r15, {ra}

        .global storma

storma:

storma r3, {u0, u2}