em_push
return em_push(ctxt);
rc = em_push(ctxt);
return em_push(ctxt);
rc = em_push(ctxt);
rc = em_push(ctxt);
rc = em_push(ctxt);
rc = em_push(ctxt);
ret = em_push(ctxt);
return em_push(ctxt);
rc = em_push(ctxt);
rc = em_push(ctxt);
I(SrcMem | Stack | TwoMemOp, em_push), D(Undefined),
X8(I(SrcReg | Stack, em_push)),
I(SrcImm | Mov | Stack, em_push),
I(SrcImmByte | Mov | Stack, em_push),