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* 8086: Use CX as a scratch register instead of BX.

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git-svn-id: trunk@46554 -
This commit is contained in:
yury 2020-08-22 20:50:02 +00:00
parent 8cc5842317
commit 4dcdaa259a
1 changed files with 3 additions and 3 deletions
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6
compiler/x86/cgx86.pas
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@ -3502,10 +3502,10 @@ unit cgx86;
fardataseg.refaddr:=addr_fardataseg; fardataseg.refaddr:=addr_fardataseg;
if current_procinfo.procdef.proccalloption=pocall_register then if current_procinfo.procdef.proccalloption=pocall_register then
begin begin
{ Use BX register if using register convention { Use CX register if using register convention
as it is not a register used to store parameters } as it is not a register used to store parameters }
list.concat(Taicpu.Op_ref_reg(A_MOV,S_W,fardataseg,NR_BX)); list.concat(Taicpu.Op_ref_reg(A_MOV,S_W,fardataseg,NR_CX));
list.concat(Taicpu.Op_reg_reg(A_MOV,S_W,NR_BX,NR_DS)); list.concat(Taicpu.Op_reg_reg(A_MOV,S_W,NR_CX,NR_DS));
end end
else else
begin begin