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Christoph Mallon authored
arm, be, ia32, sparc: Do not go on with peephole optimization of IncSP, when be_peephole_IncSP_IncSP() succeeded. The current IncSP was removed in this case and we now would operate on its predecessor IncSP. This is wrong, e.g. when asking for currently free registers. This corrects backend/incsp_pop.c, which was broken on ia32. It was wrongly assumed that a certain register was free and could be used to turn an IncSP into a Pop.
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