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@@ -880,12 +880,11 @@ End;
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(Pai386(hp1)^._operator = A_MOV)
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Then
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Begin
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- { Removes the second statement from
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- mov %reg, mem
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- mov mem, %reg }
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If (Pai386(hp1)^.op1t = Pai386(p)^.op2t) and
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(Pai386(hp1)^.op2t = Pai386(p)^.op1t)
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Then
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+ {mov reg1, mem1 or mov mem1, reg1
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+ mov mem2, reg2 mov reg2, mem2}
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Begin
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If (Pai386(hp1)^.op2t = top_ref)
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Then
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@@ -894,6 +893,8 @@ End;
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TmpBool1 := Pai386(hp1)^.op2 = Pai386(p)^.op1;
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If TmpBool1
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Then
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+ {mov reg1, mem1 or mov mem1, reg1
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+ mov mem2, reg1 mov reg2, mem1}
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Begin
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If (Pai386(hp1)^.op1t = top_ref)
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Then
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@@ -901,6 +902,9 @@ End;
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TReference(Pai386(p)^.op2^))
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Else TmpBool1 := (Pai386(hp1)^.op1 = Pai386(p)^.op2);
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If TmpBool1 Then
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+ { Removes the second statement from
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+ mov reg1, mem1
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+ mov mem1, reg1 }
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Begin
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{ hp1 := pai(p^.next);}
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AsmL^.remove(hp1);
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@@ -939,17 +943,23 @@ End;
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Dispose(hp2,Done);
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End
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Else
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- { mov mem1, esi
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- mov esi, mem2
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+ { mov mem1, reg1
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+ mov reg1, mem2
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mov mem2, reg2
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to:
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- mov mem1, esi
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+ mov mem1, reg1
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mov mem1, reg2
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- mov esi, mem2}
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+ mov reg1, mem2}
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Begin
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Pai386(hp1)^.opxt := top_ref + top_reg shl 4;
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- Pai386(hp1)^.op1 := Pai386(p)^.op1;
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+ Pai386(hp1)^.op1 := Pai386(hp1)^.op2; {move the treference}
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TReference(Pai386(hp1)^.op1^) := TReference(Pai386(p)^.op1^);
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+ If Assigned(TReference(Pai386(p)^.op1^).Symbol) Then
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+ Begin
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+ New(TReference(Pai386(hp1)^.op1^).Symbol);
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+ TReference(Pai386(hp1)^.op1^).Symbol^ :=
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+ TReference(Pai386(p)^.op1^).Symbol^;
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+ End;
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Pai386(hp1)^.op2 := Pai386(hp2)^.op2;
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Pai386(hp2)^.opxt := top_reg + top_ref shl 4;
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Pai386(hp2)^.op2 := Pai386(hp2)^.op1;
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@@ -1621,7 +1631,10 @@ end;
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End.
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{
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$Log$
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- Revision 1.12 1998-05-24 15:20:59 jonas
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+ Revision 1.13 1998-05-24 18:42:37 jonas
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+ * final bugfilx for mov optimizes, remake3 with optimizations works again!
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+
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+ Revision 1.12 1998/05/24 15:20:59 jonas
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* 2 bugs fixed in mov peepholeoptimizes
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Revision 1.11 1998/05/23 01:21:00 peter
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Jonas Maebe