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* release al/ax/eax immediately after the 'in', before (instead of after) moving

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it to the destination imaginary register. This generates better code.

git-svn-id: trunk@39380 -
This commit is contained in:
nickysn 2018-07-04 13:09:47 +00:00
parent 844a9b0ca6
commit 6cd88a24dc
1 changed files with 2 additions and 2 deletions
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4
compiler/x86/nx86inl.pas
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@ -402,8 +402,8 @@ implementation
current_asmdata.CurrAsmList.concat(taicpu.op_const_reg(A_IN,dsize,portnumber.location.value,dreg));
location_reset(location,LOC_REGISTER,def_cgsize(resultdef));
location.register:=hlcg.getintregister(current_asmdata.CurrAsmList,resultdef);
hlcg.a_load_reg_reg(current_asmdata.CurrAsmList,dtype,resultdef,dreg,location.register);
hlcg.ungetcpuregister(current_asmdata.CurrAsmList,dreg);
hlcg.a_load_reg_reg(current_asmdata.CurrAsmList,dtype,resultdef,dreg,location.register);
end
else
begin
@ -414,8 +414,8 @@ implementation
hlcg.ungetcpuregister(current_asmdata.CurrAsmList,NR_DX);
location_reset(location,LOC_REGISTER,def_cgsize(resultdef));
location.register:=hlcg.getintregister(current_asmdata.CurrAsmList,resultdef);
hlcg.a_load_reg_reg(current_asmdata.CurrAsmList,dtype,resultdef,dreg,location.register);
hlcg.ungetcpuregister(current_asmdata.CurrAsmList,dreg);
hlcg.a_load_reg_reg(current_asmdata.CurrAsmList,dtype,resultdef,dreg,location.register);
end;
end;