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* use labelCanBeSkipped as used by i386 in generic optimizer code too

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git-svn-id: trunk@12807 -
This commit is contained in:
florian 2009-02-27 13:03:12 +00:00
parent 91dcb722a2
commit f97730f73f
1 changed files with 9 additions and 4 deletions
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13
compiler/aoptbase.pas
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@ -141,6 +141,11 @@ unit aoptbase;
{$endif RefsHaveIndexReg} {$endif RefsHaveIndexReg}
End; End;
function labelCanBeSkipped(p: tai_label): boolean;
begin
labelCanBeSkipped := not(p.labsym.is_used) or (p.labsym.labeltype<>alt_jump);
end;
Function TAOptBase.GetNextInstruction(Current: tai; Var Next: tai): Boolean; Function TAOptBase.GetNextInstruction(Current: tai; Var Next: tai): Boolean;
Begin Begin
Repeat Repeat
@ -153,7 +158,7 @@ unit aoptbase;
) or ) or
{$endif SPARC} {$endif SPARC}
((Current.typ = ait_label) And ((Current.typ = ait_label) And
Not(Tai_Label(Current).labsym.is_used))) Do labelCanBeSkipped(Tai_Label(Current)))) Do
Current := tai(Current.Next); Current := tai(Current.Next);
If Assigned(Current) And If Assigned(Current) And
(Current.typ = ait_Marker) And (Current.typ = ait_Marker) And
@ -171,7 +176,7 @@ unit aoptbase;
If Assigned(Current) And If Assigned(Current) And
Not((Current.typ In SkipInstr) or Not((Current.typ In SkipInstr) or
((Current.typ = ait_label) And ((Current.typ = ait_label) And
Not(Tai_Label(Current).labsym.is_used))) labelCanBeSkipped(Tai_Label(Current))))
Then GetNextInstruction := True Then GetNextInstruction := True
Else Else
Begin Begin
@ -189,7 +194,7 @@ unit aoptbase;
Not(Tai_Marker(Current).Kind in [mark_AsmBlockEnd,mark_NoPropInfoEnd])) or Not(Tai_Marker(Current).Kind in [mark_AsmBlockEnd,mark_NoPropInfoEnd])) or
(Current.typ In SkipInstr) or (Current.typ In SkipInstr) or
((Current.typ = ait_label) And ((Current.typ = ait_label) And
Not(Tai_Label(Current).labsym.is_used))) Do labelCanBeSkipped(Tai_Label(Current)))) Do
Current := Tai(Current.previous); Current := Tai(Current.previous);
If Assigned(Current) And If Assigned(Current) And
(Current.typ = ait_Marker) And (Current.typ = ait_Marker) And
@ -206,7 +211,7 @@ unit aoptbase;
If Not(Assigned(Current)) or If Not(Assigned(Current)) or
(Current.typ In SkipInstr) or (Current.typ In SkipInstr) or
((Current.typ = ait_label) And ((Current.typ = ait_label) And
Not(Tai_Label(Current).labsym.is_used)) or labelCanBeSkipped(Tai_Label(Current))) or
((Current.typ = ait_Marker) And ((Current.typ = ait_Marker) And
(Tai_Marker(Current).Kind = mark_AsmBlockEnd)) (Tai_Marker(Current).Kind = mark_AsmBlockEnd))
Then Then