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@@ -1270,6 +1270,22 @@ Implementation
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Result:=true;
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exit;
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end
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+ else if (taicpu(p).oper[1]^.typ = top_const) and
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+ (taicpu(p).oper[1]^.val=0) and
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+ MatchInstruction(hp1, A_MLA, [taicpu(p).condition], [taicpu(p).oppostfix]) and
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+ MatchOperand(taicpu(p).oper[3]^, taicpu(hp1).oper[1]^) then
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+ begin
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+ TransferUsedRegs(TmpUsedRegs);
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+ UpdateUsedRegs(TmpUsedRegs, tai(p.next));
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+ UpdateUsedRegs(TmpUsedRegs, tai(hp1.next));
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+ DebugMsg('Peephole MovMLA2MUL 1 done', p);
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+ taicpu(hp1).ops:=3;
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+ taicpu(hp1).opcode:=A_MUL;
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+ if not(RegUsedAfterInstruction(taicpu(hp1).oper[0]^.reg,hp1,TmpUsedRegs)) then
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+ RemoveCurrentP(p);
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+ Result:=true;
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+ exit;
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+ end
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{
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This changes the very common
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mov r0, #0
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florian