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@@ -109,14 +109,6 @@ unit optcse;
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function collectnodes(var n:tnode; arg: pointer) : foreachnoderesult;
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function collectnodes(var n:tnode; arg: pointer) : foreachnoderesult;
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var
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var
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i,j : longint;
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i,j : longint;
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-
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- function is_written(node : tnode) : boolean;
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- begin
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- while node.nodetype in [typeconvn] do
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- node:=ttypeconvnode(node).left;
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- result:=(node.flags*[nf_write,nf_modify]<>[])
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- end;
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-
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begin
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begin
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result:=fen_false;
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result:=fen_false;
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{ don't add the tree below an untyped const parameter: there is
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{ don't add the tree below an untyped const parameter: there is
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@@ -135,7 +127,7 @@ unit optcse;
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assigned(n.resultdef) and
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assigned(n.resultdef) and
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(
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(
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{ regable expressions }
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{ regable expressions }
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- not(is_written(n)) and
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+ (n.actualtargetnode.flags*[nf_write,nf_modify]=[]) and
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((tstoreddef(n.resultdef).is_intregable or tstoreddef(n.resultdef).is_fpuregable) and
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((tstoreddef(n.resultdef).is_intregable or tstoreddef(n.resultdef).is_fpuregable) and
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{ is_int/fpuregable allows arrays and records to be in registers, cse cannot handle this }
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{ is_int/fpuregable allows arrays and records to be in registers, cse cannot handle this }
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(not(n.resultdef.typ in [arraydef,recorddef])) and
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(not(n.resultdef.typ in [arraydef,recorddef])) and
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florian