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* more use of USxtOp2Op

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This commit is contained in:
florian 2022-09-04 20:37:43 +02:00
parent 5cbb36f218
commit 4b1978026a
1 changed files with 8 additions and 76 deletions
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84
compiler/armgen/aoptarm.pas
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@ -762,25 +762,8 @@ Implementation
result:=RemoveCurrentP(p);
end
{$ifdef AARCH64}
else if MatchInstruction(hp1, [A_ADD,A_SUB], [C_None], [PF_None,PF_S]) and
(taicpu(p).ops=2) and
(taicpu(hp1).ops=3) and
MatchOperand(taicpu(hp1).oper[2]^, taicpu(p).oper[0]^.reg) and
not(MatchOperand(taicpu(hp1).oper[1]^, taicpu(p).oper[0]^.reg)) and
RegEndofLife(taicpu(p).oper[0]^.reg,taicpu(hp1)) and
{ reg1 might not be modified inbetween }
not(RegModifiedBetween(taicpu(p).oper[1]^.reg,p,hp1)) then
begin
DebugMsg('Peephole UxtbOp2Op done', p);
AllocRegBetween(taicpu(p).oper[1]^.reg,p,hp1,UsedRegs);
taicpu(hp1).loadReg(2,taicpu(p).oper[1]^.reg);
taicpu(hp1).ops:=4;
shifterop_reset(so);
so.shiftmode:=SM_UXTB;
so.shiftimm:=0;
taicpu(hp1).loadshifterop(3,so);
result:=RemoveCurrentP(p);
end
else if USxtOp2Op(p,hp1,SM_UXTB) then
Result:=true
{$endif AARCH64}
else if RemoveSuperfluousMove(p, hp1, 'UxtbMov2Uxtb') then
Result:=true;
@ -866,25 +849,8 @@ Implementation
result:=RemoveCurrentP(p);
end
{$ifdef AARCH64}
else if MatchInstruction(hp1, [A_ADD,A_SUB], [C_None], [PF_None,PF_S]) and
(taicpu(p).ops=2) and
(taicpu(hp1).ops=3) and
MatchOperand(taicpu(hp1).oper[2]^, taicpu(p).oper[0]^.reg) and
not(MatchOperand(taicpu(hp1).oper[1]^, taicpu(p).oper[0]^.reg)) and
RegEndofLife(taicpu(p).oper[0]^.reg,taicpu(hp1)) and
{ reg1 might not be modified inbetween }
not(RegModifiedBetween(taicpu(p).oper[1]^.reg,p,hp1)) then
begin
DebugMsg('Peephole UxthOp2Op done', p);
AllocRegBetween(taicpu(p).oper[1]^.reg,p,hp1,UsedRegs);
taicpu(hp1).loadReg(2,taicpu(p).oper[1]^.reg);
taicpu(hp1).ops:=4;
shifterop_reset(so);
so.shiftmode:=SM_UXTH;
so.shiftimm:=0;
taicpu(hp1).loadshifterop(3,so);
result:=RemoveCurrentP(p);
end
else if USxtOp2Op(p,hp1,SM_UXTH) then
Result:=true
{$endif AARCH64}
else if RemoveSuperfluousMove(p, hp1, 'UxthMov2Data') then
Result:=true;
@ -995,25 +961,8 @@ Implementation
result:=RemoveCurrentP(p);
end
{$ifdef AARCH64}
else if MatchInstruction(hp1, [A_ADD,A_SUB], [C_None], [PF_None,PF_S]) and
(taicpu(p).ops=2) and
(taicpu(hp1).ops=3) and
MatchOperand(taicpu(hp1).oper[2]^, taicpu(p).oper[0]^.reg) and
not(MatchOperand(taicpu(hp1).oper[1]^, taicpu(p).oper[0]^.reg)) and
RegEndofLife(taicpu(p).oper[0]^.reg,taicpu(hp1)) and
{ reg1 might not be modified inbetween }
not(RegModifiedBetween(taicpu(p).oper[1]^.reg,p,hp1)) then
begin
DebugMsg('Peephole SxtbOp2Op done', p);
AllocRegBetween(taicpu(p).oper[1]^.reg,p,hp1,UsedRegs);
taicpu(hp1).loadReg(2,taicpu(p).oper[1]^.reg);
taicpu(hp1).ops:=4;
shifterop_reset(so);
so.shiftmode:=SM_SXTB;
so.shiftimm:=0;
taicpu(hp1).loadshifterop(3,so);
result:=RemoveCurrentP(p);
end
else if USxtOp2Op(p,hp1,SM_SXTB) then
Result:=true
{$endif AARCH64}
else if GetNextInstructionUsingReg(p, hp1, taicpu(p).oper[0]^.reg) and
RemoveSuperfluousMove(p, hp1, 'SxtbMov2Sxtb') then
@ -1125,25 +1074,8 @@ Implementation
result:=RemoveCurrentP(p);
end
{$ifdef AARCH64}
else if MatchInstruction(hp1, [A_ADD,A_SUB], [C_None], [PF_None,PF_S]) and
(taicpu(p).ops=2) and
(taicpu(hp1).ops=3) and
MatchOperand(taicpu(hp1).oper[2]^, taicpu(p).oper[0]^.reg) and
not(MatchOperand(taicpu(hp1).oper[1]^, taicpu(p).oper[0]^.reg)) and
RegEndofLife(taicpu(p).oper[0]^.reg,taicpu(hp1)) and
{ reg1 might not be modified inbetween }
not(RegModifiedBetween(taicpu(p).oper[1]^.reg,p,hp1)) then
begin
DebugMsg('Peephole SxthOp2Op done', p);
AllocRegBetween(taicpu(p).oper[1]^.reg,p,hp1,UsedRegs);
taicpu(hp1).loadReg(2,taicpu(p).oper[1]^.reg);
taicpu(hp1).ops:=4;
shifterop_reset(so);
so.shiftmode:=SM_SXTH;
so.shiftimm:=0;
taicpu(hp1).loadshifterop(3,so);
result:=RemoveCurrentP(p);
end
else if USxtOp2Op(p,hp1,SM_SXTH) then
Result:=true
{$endif AARCH64}
else if GetNextInstructionUsingReg(p, hp1, taicpu(p).oper[0]^.reg) and
RemoveSuperfluousMove(p, hp1, 'SxthMov2Sxth') then