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@@ -623,31 +623,47 @@ implementation
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if (taicpu(p).ops=3) and
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(taicpu(p).oper[2]^.typ=top_const) and
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(taicpu(p).oper[2]^.val=0) and
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- GetNextInstructionUsingReg(p, hp1, taicpu(p).oper[0]^.reg) and
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- (hp1.typ=ait_instruction) and
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- (taicpu(hp1).opcode=A_Bxx) and
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- (taicpu(hp1).ops=3) and
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- (taicpu(hp1).oper[0]^.typ=top_reg) and
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- (taicpu(hp1).oper[0]^.reg=taicpu(p).oper[0]^.reg) and
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- (taicpu(hp1).oper[1]^.typ=top_reg) and
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- (taicpu(hp1).oper[1]^.reg=NR_X0) and
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- (taicpu(hp1).condition in [C_NE,C_EQ]) and
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- (not RegModifiedBetween(taicpu(p).oper[1]^.reg, p,hp1)) and
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- RegEndOfLife(taicpu(p).oper[0]^.reg, taicpu(hp1)) then
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+ GetNextInstructionUsingReg(p, hp1, taicpu(p).oper[0]^.reg) then
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begin
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- taicpu(hp1).loadreg(0,taicpu(p).oper[1]^.reg);
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- taicpu(hp1).loadreg(1,NR_X0);
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+ if MatchInstruction(hp1,A_Bxx) and
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+ (taicpu(hp1).ops=3) and
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+ (taicpu(hp1).oper[0]^.typ=top_reg) and
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+ (taicpu(hp1).oper[0]^.reg=taicpu(p).oper[0]^.reg) and
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+ (taicpu(hp1).oper[1]^.typ=top_reg) and
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+ (taicpu(hp1).oper[1]^.reg=NR_X0) and
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+ (taicpu(hp1).condition in [C_NE,C_EQ]) and
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+ (not RegModifiedBetween(taicpu(p).oper[1]^.reg, p,hp1)) and
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+ RegEndOfLife(taicpu(p).oper[0]^.reg, taicpu(hp1)) then
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+ begin
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+ taicpu(hp1).loadreg(0,taicpu(p).oper[1]^.reg);
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+ taicpu(hp1).loadreg(1,NR_X0);
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- if taicpu(hp1).condition=C_NE then
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- taicpu(hp1).condition:=C_LT
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- else
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- taicpu(hp1).condition:=C_GE;
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+ if taicpu(hp1).condition=C_NE then
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+ taicpu(hp1).condition:=C_LT
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+ else
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+ taicpu(hp1).condition:=C_GE;
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- DebugMsg('Peephole Slti0B2B performed', hp1);
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+ DebugMsg('Peephole Slti0B2B performed', hp1);
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- RemoveInstr(p);
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+ RemoveInstr(p);
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- result:=true;
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+ result:=true;
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+ end
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+ else if MatchInstruction(hp1,A_ANDI) and
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+ (taicpu(hp1).ops=3) and
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+ (taicpu(hp1).oper[2]^.val>0) and
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+ MatchOperand(taicpu(hp1).oper[1]^,taicpu(p).oper[0]^) and
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+ (not RegModifiedBetween(taicpu(hp1).oper[0]^.reg, p,hp1)) then
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+ begin
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+ DebugMsg('Peephole SltiAndi2Slti performed', hp1);
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+
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+ AllocRegBetween(taicpu(hp1).oper[0]^.reg,p,hp1,UsedRegs);
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+
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+ taicpu(p).loadreg(0,taicpu(hp1).oper[0]^.reg);
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+ RemoveInstr(hp1);
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+
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+ result:=true;
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+ end;
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end;
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end;
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florian