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* TX86AsmOptimizer.OptPass1MOV should be left, after an optimization has been carried out, instead the outer loop should call it again, resolves issue #30277

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git-svn-id: trunk@34724 -
This commit is contained in:
florian 2016-10-15 19:36:18 +00:00
parent ec54cb2a7a
commit fe0ce2f456
1 changed files with 6 additions and 5 deletions
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11
compiler/x86/aoptx86.pas
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@ -728,9 +728,10 @@ unit aoptx86;
begin begin
asml.remove(p); asml.remove(p);
p.free; p.free;
p := hp1; p:=hp1;
DebugMsg('Peephole removed deadstore before leave/ret',p); DebugMsg('Peephole removed deadstore before leave/ret',p);
RemoveLastDeallocForFuncRes(p); RemoveLastDeallocForFuncRes(p);
exit;
end end
{ change { change
mov reg1, mem1 mov reg1, mem1
@ -1004,9 +1005,9 @@ unit aoptx86;
p := hp1; p := hp1;
end; end;
ReleaseUsedRegs(TmpUsedRegs); ReleaseUsedRegs(TmpUsedRegs);
end; end
if GetNextIntruction_p and else if GetNextIntruction_p and
MatchInstruction(hp1,A_BTS,A_BTR,[Taicpu(p).opsize]) and MatchInstruction(hp1,A_BTS,A_BTR,[Taicpu(p).opsize]) and
GetNextInstruction(hp1, hp2) and GetNextInstruction(hp1, hp2) and
MatchInstruction(hp2,A_OR,[Taicpu(p).opsize]) and MatchInstruction(hp2,A_OR,[Taicpu(p).opsize]) and
@ -1024,9 +1025,9 @@ unit aoptx86;
asml.remove(p); asml.remove(p);
p.free; p.free;
p:=hp1; p:=hp1;
end; end
if GetNextIntruction_p and else if GetNextIntruction_p and
MatchInstruction(hp1,A_LEA,[S_L]) and MatchInstruction(hp1,A_LEA,[S_L]) and
MatchOpType(Taicpu(p),top_ref,top_reg) and MatchOpType(Taicpu(p),top_ref,top_reg) and
((MatchReference(Taicpu(hp1).oper[0]^.ref^,Taicpu(hp1).oper[1]^.reg,Taicpu(p).oper[1]^.reg) and ((MatchReference(Taicpu(hp1).oper[0]^.ref^,Taicpu(hp1).oper[1]^.reg,Taicpu(p).oper[1]^.reg) and