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* replace is_written by using actualtargetnode

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git-svn-id: trunk@22022 -
This commit is contained in:
florian 2012-08-06 20:26:23 +00:00
parent aad3ce960a
commit b20c4cfe87
1 changed files with 1 additions and 9 deletions
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10
compiler/optcse.pas
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@ -109,14 +109,6 @@ unit optcse;
function collectnodes(var n:tnode; arg: pointer) : foreachnoderesult;
var
i,j : longint;
function is_written(node : tnode) : boolean;
begin
while node.nodetype in [typeconvn] do
node:=ttypeconvnode(node).left;
result:=(node.flags*[nf_write,nf_modify]<>[])
end;
begin
result:=fen_false;
{ don't add the tree below an untyped const parameter: there is
@ -135,7 +127,7 @@ unit optcse;
assigned(n.resultdef) and
(
{ regable expressions }
not(is_written(n)) and
(n.actualtargetnode.flags*[nf_write,nf_modify]=[]) and
((tstoreddef(n.resultdef).is_intregable or tstoreddef(n.resultdef).is_fpuregable) and
{ is_int/fpuregable allows arrays and records to be in registers, cse cannot handle this }
(not(n.resultdef.typ in [arraydef,recorddef])) and