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* patch by Nico Erfurth: Minor fix for FoldShiftProcess peephole optimizer on ARM

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Use UpdateUsedRegs and drop the check for reloading of the register, as
this is done in RegUsedAfterInstruction now.

git-svn-id: trunk@21520 -
This commit is contained in:
florian 2012-06-07 18:21:46 +00:00
parent 5b02a7cb9b
commit 6e8594a9af
1 changed files with 2 additions and 2 deletions
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4
compiler/arm/aoptcpu.pas
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@ -533,8 +533,8 @@ Implementation
) then ) then
begin begin
CopyUsedRegs(TmpUsedRegs); CopyUsedRegs(TmpUsedRegs);
if not(RegUsedAfterInstruction(taicpu(p).oper[0]^.reg,hp1,TmpUsedRegs)) or UpdateUsedRegs(TmpUsedRegs, tai(p.next));
(MatchOperand(taicpu(p).oper[0]^, taicpu(hp1).oper[0]^)) then if not(RegUsedAfterInstruction(taicpu(p).oper[0]^.reg,hp1,TmpUsedRegs)) then
for I:=1 to 2 do for I:=1 to 2 do
if MatchOperand(taicpu(p).oper[0]^, taicpu(hp1).oper[I]^.reg) then if MatchOperand(taicpu(p).oper[0]^, taicpu(hp1).oper[I]^.reg) then
begin begin