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@@ -1304,7 +1304,16 @@ begin
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(hp2.typ = ait_instruction) and
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(taicpu(hp2).opcode = A_MOV) and
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(taicpu(hp2).oper[0]^.typ = top_reg) and
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- OpsEqual(taicpu(hp2).oper[1]^,taicpu(p).oper[0]^) then
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+ OpsEqual(taicpu(hp2).oper[1]^,taicpu(p).oper[0]^) and
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+ (((taicpu(hp1).ops=2) and
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+ (getsupreg(taicpu(hp2).oper[0]^.reg)=getsupreg(taicpu(hp1).oper[1]^.reg))) or
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+ ((taicpu(hp1).ops=1) and
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+ (getsupreg(taicpu(hp2).oper[0]^.reg)=getsupreg(taicpu(hp1).oper[0]^.reg)))) and
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+ { reg2 must not be used after the sequence considered, so
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+ it must be either deallocated or loaded with a new value }
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+ (GetNextInstruction(hp2,hp3) and
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+ (FindRegDealloc(getsupreg(taicpu(hp2).oper[0]^.reg),tai(hp3)) or
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+ RegLoadedWithNewValue(getsupreg(taicpu(hp2).oper[0]^.reg), false, hp3))) then
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{ change movsX/movzX reg/ref, reg2 }
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{ add/sub/or/... reg3/$const, reg2 }
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{ mov reg2 reg/ref }
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florian