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* (V)MOVA*(V)MOVS*2(V)MOVS* 1 optimization

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git-svn-id: trunk@44194 -
This commit is contained in:
florian 2020-02-16 16:43:26 +00:00
parent cefc90f87c
commit 88836b467e
1 changed files with 25 additions and 0 deletions
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25
compiler/x86/aoptx86.pas
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@ -1380,6 +1380,31 @@ unit aoptx86;
exit;
end
end
else if ((MatchInstruction(p,[A_MOVAPS,A_VMOVAPS],[S_NO]) and
MatchInstruction(hp1,[A_MOVSS,A_VMOVSS],[S_NO])) or
((MatchInstruction(p,[A_MOVAPD,A_VMOVAPD],[S_NO]) and
MatchInstruction(hp1,[A_MOVSD,A_VMOVSD],[S_NO])))
) and
MatchOperand(taicpu(p).oper[1]^,taicpu(hp1).oper[0]^) then
begin
{ vmova* reg1,reg2
vmovs* reg2,<op>
dealloc reg2
=>
vmovs* reg1,reg3 }
TransferUsedRegs(TmpUsedRegs);
UpdateUsedRegs(TmpUsedRegs, tai(p.next));
if not(RegUsedAfterInstruction(taicpu(p).oper[1]^.reg,hp1,TmpUsedRegs)) then
begin
DebugMsg(SPeepholeOptimization + '(V)MOVA*(V)MOVS*2(V)MOVS* 1',p);
taicpu(p).opcode:=taicpu(hp1).opcode;
taicpu(p).loadoper(1,taicpu(hp1).oper[1]^);
asml.Remove(hp1);
hp1.Free;
result:=true;
exit;
end
end;
end;
if GetNextInstructionUsingReg(p,hp1,taicpu(p).oper[1]^.reg) then
begin