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+ implemented tcg8086.a_op_reg_ref

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git-svn-id: trunk@24474 -
This commit is contained in:
nickysn 2013-05-08 11:49:39 +00:00
parent 85b98671bd
commit c4dd85a0eb
1 changed files with 60 additions and 0 deletions
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60
compiler/i8086/cgcpu.pas
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@ -47,6 +47,7 @@ unit cgcpu;
procedure a_op_const_ref(list : TAsmList; Op: TOpCG; size: TCGSize; a: tcgint; const ref: TReference); override;
procedure a_op_reg_reg(list : TAsmList; Op: TOpCG; size: TCGSize; src, dst: TRegister); override;
procedure a_op_ref_reg(list : TAsmList; Op: TOpCG; size: TCGSize; const ref: TReference; reg: TRegister); override;
procedure a_op_reg_ref(list : TAsmList; Op: TOpCG; size: TCGSize;reg: TRegister; const ref: TReference); override;
procedure push_const(list:TAsmList;size:tcgsize;a:tcgint);
@ -441,6 +442,65 @@ unit cgcpu;
end;
procedure tcg8086.a_op_reg_ref(list: TAsmList; Op: TOpCG; size: TCGSize; reg: TRegister; const ref: TReference);
var
tmpref: treference;
op1,op2: TAsmOp;
begin
tmpref:=ref;
make_simple_ref(list,tmpref);
check_register_size(size,reg);
if size in [OS_64, OS_S64] then
internalerror(2013050803);
if size in [OS_32, OS_S32] then
begin
case op of
OP_NEG:
begin
if reg<>NR_NO then
internalerror(200109237);
inc(tmpref.offset, 2);
list.concat(taicpu.op_ref(A_NOT, S_W, tmpref));
dec(tmpref.offset, 2);
list.concat(taicpu.op_ref(A_NEG, S_W, tmpref));
inc(tmpref.offset, 2);
list.concat(taicpu.op_const_ref(A_SBB, S_W,-1, tmpref));
end;
OP_NOT:
begin
if reg<>NR_NO then
internalerror(200109237);
list.concat(taicpu.op_ref(A_NOT, S_W, tmpref));
inc(tmpref.offset, 2);
list.concat(taicpu.op_ref(A_NOT, S_W, tmpref));
end;
OP_IMUL:
begin
{ this one needs a load/imul/store, which is the default }
inherited a_op_ref_reg(list,op,size,tmpref,reg);
end;
OP_MUL,OP_DIV,OP_IDIV:
{ special stuff, needs separate handling inside code }
{ generator }
internalerror(200109238);
OP_ADD,OP_SUB,OP_XOR,OP_OR,OP_AND:
begin
get_32bit_ops(op, op1, op2);
list.concat(taicpu.op_reg_ref(op1, S_W, reg, tmpref));
inc(tmpref.offset, 2);
list.concat(taicpu.op_reg_ref(op2, S_W, GetNextReg(reg), tmpref));
end;
else
internalerror(2013050804);
end;
end
else
inherited a_op_reg_ref(list,Op,size,reg,tmpref);
end;
procedure tcg8086.push_const(list: TAsmList; size: tcgsize; a: tcgint);
var
tmpreg: TRegister;