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@@ -31,13 +31,6 @@ uses
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aasmbase,globals,verbose,
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aasmbase,globals,verbose,
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cpubase,cpuinfo;
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cpubase,cpuinfo;
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- const
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- { "mov reg,reg" source operand number }
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- O_MOV_SOURCE = 1;
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- { "mov reg,reg" source operand number }
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- O_MOV_DEST = 0;
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-
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-
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type
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type
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taicpu = class(taicpu_abstract)
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taicpu = class(taicpu_abstract)
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constructor op_none(op : tasmop);
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constructor op_none(op : tasmop);
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@@ -63,7 +56,6 @@ uses
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constructor op_reg_bool_reg_reg(op : tasmop;_op1: tregister;_op2:boolean;_op3,_op4:tregister);
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constructor op_reg_bool_reg_reg(op : tasmop;_op1: tregister;_op2:boolean;_op3,_op4:tregister);
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constructor op_reg_bool_reg_const(op : tasmop;_op1: tregister;_op2:boolean;_op3:tregister;_op4: longint);
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constructor op_reg_bool_reg_const(op : tasmop;_op1: tregister;_op2:boolean;_op3:tregister;_op4: longint);
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- constructor op_reg_reg_reg_const_const(op : tasmop;_op1,_op2,_op3 : tregister;_op4,_op5 : Longint);
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constructor op_reg_reg_const_const_const(op : tasmop;_op1,_op2 : tregister;_op3,_op4,_op5 : Longint);
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constructor op_reg_reg_const_const_const(op : tasmop;_op1,_op2 : tregister;_op3,_op4,_op5 : Longint);
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@@ -78,18 +70,6 @@ uses
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constructor op_sym_ofs_ref(op : tasmop;_op1 : tasmsymbol;_op1ofs:longint;const _op2 : treference);
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constructor op_sym_ofs_ref(op : tasmop;_op1 : tasmsymbol;_op1ofs:longint;const _op2 : treference);
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procedure loadbool(opidx:longint;_b:boolean);
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procedure loadbool(opidx:longint;_b:boolean);
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-
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-
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- function is_nop: boolean; override;
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- function is_move:boolean; override;
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- function spill_registers(list:Taasmoutput;
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- rgget:Trggetproc;
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- rgunget:Trgungetproc;
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- r:Tsupregset;
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- var unusedregsint:Tsupregset;
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- const spilltemplist:Tspill_temp_list):boolean; override;
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-
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-
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end;
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end;
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tai_align = class(tai_align_abstract)
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tai_align = class(tai_align_abstract)
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@@ -102,8 +82,6 @@ uses
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implementation
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implementation
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-uses cutils,rgobj;
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-
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{*****************************************************************************
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{*****************************************************************************
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taicpu Constructors
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taicpu Constructors
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*****************************************************************************}
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*****************************************************************************}
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@@ -131,8 +109,6 @@ uses cutils,rgobj;
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constructor taicpu.op_reg(op : tasmop;_op1 : tregister);
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constructor taicpu.op_reg(op : tasmop;_op1 : tregister);
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begin
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begin
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inherited create(op);
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inherited create(op);
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- if (_op1.enum = R_INTREGISTER) and (_op1.number = NR_NO) then
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- internalerror(2003031207);
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ops:=1;
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ops:=1;
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loadreg(0,_op1);
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loadreg(0,_op1);
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end;
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end;
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@@ -149,10 +125,6 @@ uses cutils,rgobj;
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constructor taicpu.op_reg_reg(op : tasmop;_op1,_op2 : tregister);
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constructor taicpu.op_reg_reg(op : tasmop;_op1,_op2 : tregister);
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begin
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begin
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inherited create(op);
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inherited create(op);
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- if (_op1.enum = R_INTREGISTER) and (_op1.number = NR_NO) then
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- internalerror(2003031205);
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- if (_op2.enum = R_INTREGISTER) and (_op2.number = NR_NO) then
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- internalerror(2003031206);
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ops:=2;
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ops:=2;
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loadreg(0,_op1);
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loadreg(0,_op1);
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loadreg(1,_op2);
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loadreg(1,_op2);
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@@ -161,8 +133,6 @@ uses cutils,rgobj;
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constructor taicpu.op_reg_const(op:tasmop; _op1: tregister; _op2: longint);
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constructor taicpu.op_reg_const(op:tasmop; _op1: tregister; _op2: longint);
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begin
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begin
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inherited create(op);
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inherited create(op);
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- if (_op1.enum = R_INTREGISTER) and (_op1.number = NR_NO) then
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- internalerror(2003031208);
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ops:=2;
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ops:=2;
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loadreg(0,_op1);
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loadreg(0,_op1);
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loadconst(1,aword(_op2));
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loadconst(1,aword(_op2));
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@@ -171,8 +141,6 @@ uses cutils,rgobj;
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constructor taicpu.op_const_reg(op:tasmop; _op1: longint; _op2: tregister);
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constructor taicpu.op_const_reg(op:tasmop; _op1: longint; _op2: tregister);
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begin
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begin
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inherited create(op);
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inherited create(op);
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- if (_op2.enum = R_INTREGISTER) and (_op2.number = NR_NO) then
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- internalerror(2003031209);
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ops:=2;
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ops:=2;
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loadconst(0,aword(_op1));
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loadconst(0,aword(_op1));
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loadreg(1,_op2);
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loadreg(1,_op2);
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@@ -182,8 +150,6 @@ uses cutils,rgobj;
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constructor taicpu.op_reg_ref(op : tasmop;_op1 : tregister;const _op2 : treference);
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constructor taicpu.op_reg_ref(op : tasmop;_op1 : tregister;const _op2 : treference);
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begin
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begin
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inherited create(op);
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inherited create(op);
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- if (_op1.enum = R_INTREGISTER) and (_op1.number = NR_NO) then
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- internalerror(2003031210);
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ops:=2;
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ops:=2;
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loadreg(0,_op1);
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loadreg(0,_op1);
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loadref(1,_op2);
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loadref(1,_op2);
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@@ -202,12 +168,6 @@ uses cutils,rgobj;
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constructor taicpu.op_reg_reg_reg(op : tasmop;_op1,_op2,_op3 : tregister);
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constructor taicpu.op_reg_reg_reg(op : tasmop;_op1,_op2,_op3 : tregister);
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begin
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begin
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inherited create(op);
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inherited create(op);
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- if (_op1.enum = R_INTREGISTER) and (_op1.number = NR_NO) then
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- internalerror(2003031211);
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- if (_op2.enum = R_INTREGISTER) and (_op2.number = NR_NO) then
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- internalerror(2003031212);
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- if (_op3.enum = R_INTREGISTER) and (_op3.number = NR_NO) then
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- internalerror(2003031213);
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ops:=3;
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ops:=3;
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loadreg(0,_op1);
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loadreg(0,_op1);
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loadreg(1,_op2);
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loadreg(1,_op2);
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@@ -217,10 +177,6 @@ uses cutils,rgobj;
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constructor taicpu.op_reg_reg_const(op : tasmop;_op1,_op2 : tregister; _op3: Longint);
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constructor taicpu.op_reg_reg_const(op : tasmop;_op1,_op2 : tregister; _op3: Longint);
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begin
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begin
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inherited create(op);
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inherited create(op);
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- if (_op1.enum = R_INTREGISTER) and (_op1.number = NR_NO) then
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- internalerror(2003031214);
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- if (_op2.enum = R_INTREGISTER) and (_op2.number = NR_NO) then
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- internalerror(2003031215);
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ops:=3;
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ops:=3;
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loadreg(0,_op1);
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loadreg(0,_op1);
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loadreg(1,_op2);
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loadreg(1,_op2);
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@@ -230,10 +186,6 @@ uses cutils,rgobj;
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constructor taicpu.op_reg_reg_sym_ofs(op : tasmop;_op1,_op2 : tregister; _op3: tasmsymbol;_op3ofs: longint);
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constructor taicpu.op_reg_reg_sym_ofs(op : tasmop;_op1,_op2 : tregister; _op3: tasmsymbol;_op3ofs: longint);
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begin
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begin
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inherited create(op);
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inherited create(op);
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- if (_op1.enum = R_INTREGISTER) and (_op1.number = NR_NO) then
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- internalerror(2003031216);
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- if (_op2.enum = R_INTREGISTER) and (_op2.number = NR_NO) then
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- internalerror(2003031217);
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ops:=3;
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ops:=3;
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loadreg(0,_op1);
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loadreg(0,_op1);
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loadreg(1,_op2);
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loadreg(1,_op2);
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@@ -243,10 +195,6 @@ uses cutils,rgobj;
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constructor taicpu.op_reg_reg_ref(op : tasmop;_op1,_op2 : tregister; const _op3: treference);
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constructor taicpu.op_reg_reg_ref(op : tasmop;_op1,_op2 : tregister; const _op3: treference);
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begin
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begin
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inherited create(op);
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inherited create(op);
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- if (_op1.enum = R_INTREGISTER) and (_op1.number = NR_NO) then
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- internalerror(2003031218);
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- if (_op2.enum = R_INTREGISTER) and (_op2.number = NR_NO) then
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- internalerror(2003031219);
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ops:=3;
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ops:=3;
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loadreg(0,_op1);
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loadreg(0,_op1);
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loadreg(1,_op2);
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loadreg(1,_op2);
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@@ -256,10 +204,6 @@ uses cutils,rgobj;
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constructor taicpu.op_const_reg_reg(op : tasmop;_op1 : longint;_op2, _op3 : tregister);
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constructor taicpu.op_const_reg_reg(op : tasmop;_op1 : longint;_op2, _op3 : tregister);
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begin
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begin
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inherited create(op);
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inherited create(op);
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- if (_op2.enum = R_INTREGISTER) and (_op2.number = NR_NO) then
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- internalerror(2003031221);
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- if (_op3.enum = R_INTREGISTER) and (_op3.number = NR_NO) then
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- internalerror(2003031220);
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ops:=3;
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ops:=3;
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loadconst(0,aword(_op1));
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loadconst(0,aword(_op1));
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loadreg(1,_op2);
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loadreg(1,_op2);
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@@ -269,8 +213,6 @@ uses cutils,rgobj;
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constructor taicpu.op_const_reg_const(op : tasmop;_op1 : longint;_op2 : tregister;_op3 : longint);
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constructor taicpu.op_const_reg_const(op : tasmop;_op1 : longint;_op2 : tregister;_op3 : longint);
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begin
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begin
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inherited create(op);
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inherited create(op);
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- if (_op2.enum = R_INTREGISTER) and (_op2.number = NR_NO) then
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- internalerror(2003031222);
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ops:=3;
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ops:=3;
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loadconst(0,aword(_op1));
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loadconst(0,aword(_op1));
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loadreg(1,_op2);
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loadreg(1,_op2);
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@@ -281,14 +223,6 @@ uses cutils,rgobj;
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constructor taicpu.op_reg_reg_reg_reg(op : tasmop;_op1,_op2,_op3,_op4 : tregister);
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constructor taicpu.op_reg_reg_reg_reg(op : tasmop;_op1,_op2,_op3,_op4 : tregister);
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begin
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begin
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inherited create(op);
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inherited create(op);
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- if (_op1.enum = R_INTREGISTER) and (_op1.number = NR_NO) then
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- internalerror(2003031223);
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- if (_op2.enum = R_INTREGISTER) and (_op2.number = NR_NO) then
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- internalerror(2003031224);
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- if (_op3.enum = R_INTREGISTER) and (_op3.number = NR_NO) then
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- internalerror(2003031225);
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- if (_op4.enum = R_INTREGISTER) and (_op4.number = NR_NO) then
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- internalerror(2003031226);
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ops:=4;
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ops:=4;
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loadreg(0,_op1);
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loadreg(0,_op1);
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loadreg(1,_op2);
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loadreg(1,_op2);
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@@ -299,12 +233,6 @@ uses cutils,rgobj;
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constructor taicpu.op_reg_bool_reg_reg(op : tasmop;_op1: tregister;_op2:boolean;_op3,_op4:tregister);
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constructor taicpu.op_reg_bool_reg_reg(op : tasmop;_op1: tregister;_op2:boolean;_op3,_op4:tregister);
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begin
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begin
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inherited create(op);
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inherited create(op);
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- if (_op1.enum = R_INTREGISTER) and (_op1.number = NR_NO) then
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- internalerror(2003031227);
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- if (_op3.enum = R_INTREGISTER) and (_op3.number = NR_NO) then
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- internalerror(2003031228);
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- if (_op4.enum = R_INTREGISTER) and (_op4.number = NR_NO) then
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- internalerror(2003031229);
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ops:=4;
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ops:=4;
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loadreg(0,_op1);
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loadreg(0,_op1);
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loadbool(1,_op2);
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loadbool(1,_op2);
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@@ -315,10 +243,6 @@ uses cutils,rgobj;
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constructor taicpu.op_reg_bool_reg_const(op : tasmop;_op1: tregister;_op2:boolean;_op3:tregister;_op4: longint);
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constructor taicpu.op_reg_bool_reg_const(op : tasmop;_op1: tregister;_op2:boolean;_op3:tregister;_op4: longint);
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begin
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begin
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inherited create(op);
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inherited create(op);
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- if (_op1.enum = R_INTREGISTER) and (_op1.number = NR_NO) then
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- internalerror(2003031230);
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- if (_op3.enum = R_INTREGISTER) and (_op3.number = NR_NO) then
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- internalerror(2003031231);
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ops:=4;
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ops:=4;
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loadreg(0,_op1);
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loadreg(0,_op1);
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loadbool(0,_op2);
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loadbool(0,_op2);
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@@ -326,31 +250,9 @@ uses cutils,rgobj;
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loadconst(0,cardinal(_op4));
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loadconst(0,cardinal(_op4));
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end;
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end;
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-
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- constructor taicpu.op_reg_reg_reg_const_const(op : tasmop;_op1,_op2,_op3 : tregister;_op4,_op5 : Longint);
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- begin
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- inherited create(op);
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- if (_op1.enum = R_INTREGISTER) and (_op1.number = NR_NO) then
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- internalerror(2003031232);
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- if (_op2.enum = R_INTREGISTER) and (_op2.number = NR_NO) then
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- internalerror(2003031233);
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- if (_op3.enum = R_INTREGISTER) and (_op3.number = NR_NO) then
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- internalerror(2003031233);
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- ops:=5;
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- loadreg(0,_op1);
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- loadreg(1,_op2);
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- loadreg(2,_op3);
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- loadconst(3,cardinal(_op4));
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- loadconst(4,cardinal(_op5));
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- end;
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-
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constructor taicpu.op_reg_reg_const_const_const(op : tasmop;_op1,_op2 : tregister;_op3,_op4,_op5 : Longint);
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constructor taicpu.op_reg_reg_const_const_const(op : tasmop;_op1,_op2 : tregister;_op3,_op4,_op5 : Longint);
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begin
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begin
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inherited create(op);
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inherited create(op);
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- if (_op1.enum = R_INTREGISTER) and (_op1.number = NR_NO) then
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- internalerror(2003031232);
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- if (_op2.enum = R_INTREGISTER) and (_op2.number = NR_NO) then
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- internalerror(2003031233);
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ops:=5;
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ops:=5;
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loadreg(0,_op1);
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loadreg(0,_op1);
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loadreg(1,_op2);
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loadreg(1,_op2);
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@@ -411,349 +313,6 @@ uses cutils,rgobj;
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end;
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end;
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-{ ****************************** newra stuff *************************** }
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-
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- function taicpu.is_nop: boolean;
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- begin
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- { we don't insert any more nops than necessary }
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- is_nop :=
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- ((opcode=A_MR) and (oper[0].typ=top_reg) and (oper[1].typ=top_reg) and (oper[0].reg.number=oper[1].reg.number));
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- end;
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-
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-
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- function taicpu.is_move:boolean;
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- begin
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- is_move := opcode = A_MR;
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- end;
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-
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-
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- function taicpu.spill_registers(list:Taasmoutput;
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- rgget:Trggetproc;
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- rgunget:Trgungetproc;
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- r:Tsupregset;
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- var unusedregsint:Tsupregset;
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- const spilltemplist:Tspill_temp_list): boolean;
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-
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- function get_insert_pos(p:Tai;huntfor1,huntfor2,huntfor3:Tsuperregister):Tai;
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-
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- var back:Tsupregset;
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-
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- begin
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- back:=unusedregsint;
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|
- get_insert_pos:=p;
|
|
|
|
- while (p<>nil) and (p.typ=ait_regalloc) do
|
|
|
|
- begin
|
|
|
|
- {Rewind the register allocation.}
|
|
|
|
- if Tai_regalloc(p).allocation then
|
|
|
|
- include(unusedregsint,Tai_regalloc(p).reg.number shr 8)
|
|
|
|
- else
|
|
|
|
- begin
|
|
|
|
- exclude(unusedregsint,Tai_regalloc(p).reg.number shr 8);
|
|
|
|
- if Tai_regalloc(p).reg.number shr 8=huntfor1 then
|
|
|
|
- begin
|
|
|
|
- get_insert_pos:=Tai(p.previous);
|
|
|
|
- back:=unusedregsint;
|
|
|
|
- end;
|
|
|
|
- if Tai_regalloc(p).reg.number shr 8=huntfor2 then
|
|
|
|
- begin
|
|
|
|
- get_insert_pos:=Tai(p.previous);
|
|
|
|
- back:=unusedregsint;
|
|
|
|
- end;
|
|
|
|
- if Tai_regalloc(p).reg.number shr 8=huntfor3 then
|
|
|
|
- begin
|
|
|
|
- get_insert_pos:=Tai(p.previous);
|
|
|
|
- back:=unusedregsint;
|
|
|
|
- end;
|
|
|
|
- end;
|
|
|
|
- p:=Tai(p.previous);
|
|
|
|
- end;
|
|
|
|
- unusedregsint:=back;
|
|
|
|
- end;
|
|
|
|
-
|
|
|
|
- procedure forward_allocation(p:Tai);
|
|
|
|
-
|
|
|
|
- begin
|
|
|
|
- {Forward the register allocation again.}
|
|
|
|
- while (p<>self) do
|
|
|
|
- begin
|
|
|
|
- if p.typ<>ait_regalloc then
|
|
|
|
- internalerror(200305311);
|
|
|
|
- if Tai_regalloc(p).allocation then
|
|
|
|
- exclude(unusedregsint,Tai_regalloc(p).reg.number shr 8)
|
|
|
|
- else
|
|
|
|
- include(unusedregsint,Tai_regalloc(p).reg.number shr 8);
|
|
|
|
- p:=Tai(p.next);
|
|
|
|
- end;
|
|
|
|
- end;
|
|
|
|
-
|
|
|
|
-
|
|
|
|
- function decode_loadstore(op: tasmop; var counterpart: tasmop; wasload: boolean): boolean;
|
|
|
|
-
|
|
|
|
- begin
|
|
|
|
- result := true;
|
|
|
|
- wasload := true;
|
|
|
|
- case op of
|
|
|
|
- A_LBZ:
|
|
|
|
- begin
|
|
|
|
- counterpart := A_STB;
|
|
|
|
- end;
|
|
|
|
- A_LBZX:
|
|
|
|
- begin
|
|
|
|
- counterpart := A_STBX;
|
|
|
|
- end;
|
|
|
|
- A_LHZ,A_LHA:
|
|
|
|
- begin
|
|
|
|
- counterpart := A_STH;
|
|
|
|
- end;
|
|
|
|
- A_LHZX,A_LHAX:
|
|
|
|
- begin
|
|
|
|
- counterpart := A_STHX;
|
|
|
|
- end;
|
|
|
|
- A_LWZ:
|
|
|
|
- begin
|
|
|
|
- counterpart := A_STW;
|
|
|
|
- end;
|
|
|
|
- A_LWZX:
|
|
|
|
- begin
|
|
|
|
- counterpart := A_STWX;
|
|
|
|
- end;
|
|
|
|
- A_STB:
|
|
|
|
- begin
|
|
|
|
- counterpart := A_LBZ;
|
|
|
|
- wasload := false;
|
|
|
|
- end;
|
|
|
|
- A_STBX:
|
|
|
|
- begin
|
|
|
|
- counterpart := A_LBZX;
|
|
|
|
- wasload := false;
|
|
|
|
- end;
|
|
|
|
- A_STH:
|
|
|
|
- begin
|
|
|
|
- counterpart := A_LHZ;
|
|
|
|
- wasload := false;
|
|
|
|
- end;
|
|
|
|
- A_STHX:
|
|
|
|
- begin
|
|
|
|
- counterpart := A_LHZX;
|
|
|
|
- wasload := false;
|
|
|
|
- end;
|
|
|
|
- A_STW:
|
|
|
|
- begin
|
|
|
|
- counterpart := A_LWZ;
|
|
|
|
- wasload := false;
|
|
|
|
- end;
|
|
|
|
- A_STWX:
|
|
|
|
- begin
|
|
|
|
- counterpart := A_LWZX;
|
|
|
|
- wasload := false;
|
|
|
|
- end;
|
|
|
|
- A_LBZU,A_LBZUX,A_LHZU,A_LHZUX,A_LHAU,A_LHAUX,
|
|
|
|
- A_LWZU,A_LWZUX,A_STBU,A_STBUX,A_STHU,A_STHUX,
|
|
|
|
- A_STWU,A_STWUX:
|
|
|
|
- internalerror(2003070602);
|
|
|
|
- else
|
|
|
|
- result := false;
|
|
|
|
- end;
|
|
|
|
- end;
|
|
|
|
-
|
|
|
|
-
|
|
|
|
- var i:byte;
|
|
|
|
- supreg, reg1, reg2, reg3: Tsuperregister;
|
|
|
|
- helpreg:Tregister;
|
|
|
|
- helpins:Taicpu;
|
|
|
|
- op:Tasmop;
|
|
|
|
- pos:Tai;
|
|
|
|
- wasload: boolean;
|
|
|
|
-
|
|
|
|
- begin
|
|
|
|
- spill_registers:=false;
|
|
|
|
- if (ops = 2) and
|
|
|
|
- (oper[1].typ=top_ref) and
|
|
|
|
- { oper[1] can also be ref in case of "lis r3,symbol@ha" or so }
|
|
|
|
- decode_loadstore(opcode,op,wasload) then
|
|
|
|
- begin
|
|
|
|
- { the register that's being stored/loaded }
|
|
|
|
- supreg:=oper[0].reg.number shr 8;
|
|
|
|
- if supreg in r then
|
|
|
|
- begin
|
|
|
|
- // Example:
|
|
|
|
- // l?? r20d, 8(r1) ; r20d must be spilled into -60(r1)
|
|
|
|
- //
|
|
|
|
- // Change into:
|
|
|
|
- //
|
|
|
|
- // l?? r21d, 8(r1)
|
|
|
|
- // st? r21d, -60(r1)
|
|
|
|
- //
|
|
|
|
- // And:
|
|
|
|
- //
|
|
|
|
- // st? r20d, 8(r1) ; r20d must be spilled into -60(r1)
|
|
|
|
- //
|
|
|
|
- // Change into:
|
|
|
|
- //
|
|
|
|
- // l?? r21d, -60(r1)
|
|
|
|
- // st? r21d, 8(r1)
|
|
|
|
-
|
|
|
|
- pos := get_insert_pos(Tai(previous),oper[0].reg.number shr 8,
|
|
|
|
- oper[1].ref^.base.number shr 8,oper[1].ref^.index.number shr 8);
|
|
|
|
- rgget(list,pos,0,helpreg);
|
|
|
|
- spill_registers := true;
|
|
|
|
- if wasload then
|
|
|
|
- begin
|
|
|
|
- helpins := taicpu.op_reg_ref(opcode,helpreg,oper[1].ref^);
|
|
|
|
- loadref(1,spilltemplist[supreg]);
|
|
|
|
- opcode := op;
|
|
|
|
- end
|
|
|
|
- else
|
|
|
|
- helpins := taicpu.op_reg_ref(op,helpreg,spilltemplist[supreg]);
|
|
|
|
- if pos=nil then
|
|
|
|
- list.insertafter(helpins,list.first)
|
|
|
|
- else
|
|
|
|
- list.insertafter(helpins,pos.next);
|
|
|
|
- loadreg(0,helpreg);
|
|
|
|
- rgunget(list,helpins,helpreg);
|
|
|
|
- forward_allocation(tai(helpins.next));
|
|
|
|
-{
|
|
|
|
- writeln('spilling!');
|
|
|
|
- list.insertafter(tai_comment.Create(strpnew('Spilling!')),helpins);
|
|
|
|
-}
|
|
|
|
- end;
|
|
|
|
-
|
|
|
|
- { now the registers used in the reference }
|
|
|
|
- { a) base }
|
|
|
|
- supreg := oper[1].ref^.base.number shr 8;
|
|
|
|
- if supreg in r then
|
|
|
|
- begin
|
|
|
|
- if wasload then
|
|
|
|
- pos:=get_insert_pos(Tai(previous),oper[1].ref^.index.number shr 8,oper[0].reg.number shr 8,0)
|
|
|
|
- else
|
|
|
|
- pos:=get_insert_pos(Tai(previous),oper[1].ref^.index.number shr 8,0,0);
|
|
|
|
- rgget(list,pos,0,helpreg);
|
|
|
|
- spill_registers:=true;
|
|
|
|
- helpins:=Taicpu.op_reg_ref(A_LWZ,helpreg,spilltemplist[supreg]);
|
|
|
|
- if pos=nil then
|
|
|
|
- list.insertafter(helpins,list.first)
|
|
|
|
- else
|
|
|
|
- list.insertafter(helpins,pos.next);
|
|
|
|
- oper[1].ref^.base:=helpreg;
|
|
|
|
- rgunget(list,helpins,helpreg);
|
|
|
|
- forward_allocation(Tai(helpins.next));
|
|
|
|
-{
|
|
|
|
- writeln('spilling!');
|
|
|
|
- list.insertafter(tai_comment.Create(strpnew('Spilling!')),helpins);
|
|
|
|
-}
|
|
|
|
- end;
|
|
|
|
-
|
|
|
|
- { b) index }
|
|
|
|
- supreg := oper[1].ref^.index.number shr 8;
|
|
|
|
- if supreg in r then
|
|
|
|
- begin
|
|
|
|
- if wasload then
|
|
|
|
- pos:=get_insert_pos(Tai(previous),oper[1].ref^.base.number shr 8,oper[0].reg.number shr 8,0)
|
|
|
|
- else
|
|
|
|
- pos:=get_insert_pos(Tai(previous),oper[1].ref^.base.number shr 8,0,0);
|
|
|
|
- rgget(list,pos,0,helpreg);
|
|
|
|
- spill_registers:=true;
|
|
|
|
- helpins:=Taicpu.op_reg_ref(A_LWZ,helpreg,spilltemplist[supreg]);
|
|
|
|
- if pos=nil then
|
|
|
|
- list.insertafter(helpins,list.first)
|
|
|
|
- else
|
|
|
|
- list.insertafter(helpins,pos.next);
|
|
|
|
- oper[1].ref^.index:=helpreg;
|
|
|
|
- rgunget(list,helpins,helpreg);
|
|
|
|
- forward_allocation(Tai(helpins.next));
|
|
|
|
-{
|
|
|
|
- writeln('spilling!');
|
|
|
|
- list.insertafter(tai_comment.Create(strpnew('Spilling!')),helpins);
|
|
|
|
-}
|
|
|
|
- end;
|
|
|
|
- { load/store is done }
|
|
|
|
- exit;
|
|
|
|
- end;
|
|
|
|
-
|
|
|
|
- { all other instructions the compiler generates are the same (I hope): }
|
|
|
|
- { operand 0 is a register and is the destination, the others are sources }
|
|
|
|
- { and can be either registers or constants }
|
|
|
|
- { exception: branches (is_jmp isn't always set for them) }
|
|
|
|
- if oper[0].typ <> top_reg then
|
|
|
|
- exit;
|
|
|
|
- reg1 := oper[0].reg.number shr 8;
|
|
|
|
- if oper[1].typ = top_reg then
|
|
|
|
- reg2 := oper[1].reg.number shr 8
|
|
|
|
- else
|
|
|
|
- reg2 := 0;
|
|
|
|
- if (ops >= 3) and
|
|
|
|
- (oper[2].typ = top_reg) then
|
|
|
|
- reg3 := oper[2].reg.number shr 8
|
|
|
|
- else
|
|
|
|
- reg3 := 0;
|
|
|
|
-
|
|
|
|
- supreg:=reg1;
|
|
|
|
- if supreg in r then
|
|
|
|
- begin
|
|
|
|
- // Example:
|
|
|
|
- // add r20d, r21d, r22d ; r20d must be spilled into -60(r1)
|
|
|
|
- //
|
|
|
|
- // Change into:
|
|
|
|
- //
|
|
|
|
- // lwz r23d, -60(r1)
|
|
|
|
- // add r23d, r21d, r22d
|
|
|
|
- // stw r23d, -60(r1)
|
|
|
|
-
|
|
|
|
- pos := get_insert_pos(Tai(previous),reg1,reg2,reg3);
|
|
|
|
- rgget(list,pos,0,helpreg);
|
|
|
|
- spill_registers := true;
|
|
|
|
- helpins := taicpu.op_reg_ref(A_STW,helpreg,spilltemplist[supreg]);
|
|
|
|
- list.insertafter(helpins,self);
|
|
|
|
- helpins := taicpu.op_reg_ref(A_LWZ,helpreg,spilltemplist[supreg]);
|
|
|
|
- if pos=nil then
|
|
|
|
- list.insertafter(helpins,list.first)
|
|
|
|
- else
|
|
|
|
- list.insertafter(helpins,pos.next);
|
|
|
|
- loadreg(0,helpreg);
|
|
|
|
- rgunget(list,helpins,helpreg);
|
|
|
|
- forward_allocation(tai(helpins.next));
|
|
|
|
-{
|
|
|
|
- writeln('spilling!');
|
|
|
|
- list.insertafter(tai_comment.Create(strpnew('Spilling!')),helpins);
|
|
|
|
-}
|
|
|
|
- end;
|
|
|
|
-
|
|
|
|
- for i := 1 to 2 do
|
|
|
|
- if (oper[i].typ = top_reg) then
|
|
|
|
- begin
|
|
|
|
- supreg:=oper[i].reg.number;
|
|
|
|
- if supreg in r then
|
|
|
|
- begin
|
|
|
|
- // Example:
|
|
|
|
- // add r20d, r21d, r22d ; r20d must be spilled into -60(r1)
|
|
|
|
- //
|
|
|
|
- // Change into:
|
|
|
|
- //
|
|
|
|
- // lwz r23d, -60(r1)
|
|
|
|
- // add r23d, r21d, r22d
|
|
|
|
- // stw r23d, -60(r1)
|
|
|
|
-
|
|
|
|
- pos := get_insert_pos(Tai(previous),reg1,reg2,reg3);
|
|
|
|
- rgget(list,pos,0,helpreg);
|
|
|
|
- spill_registers := true;
|
|
|
|
- helpins := taicpu.op_reg_ref(A_LWZ,helpreg,spilltemplist[supreg]);
|
|
|
|
- if pos=nil then
|
|
|
|
- list.insertafter(helpins,list.first)
|
|
|
|
- else
|
|
|
|
- list.insertafter(helpins,pos.next);
|
|
|
|
- loadreg(i,helpreg);
|
|
|
|
- rgunget(list,helpins,helpreg);
|
|
|
|
- forward_allocation(tai(helpins.next));
|
|
|
|
-{
|
|
|
|
- writeln('spilling!');
|
|
|
|
- list.insertafter(tai_comment.Create(strpnew('Spilling!')),helpins);
|
|
|
|
-}
|
|
|
|
- end;
|
|
|
|
- end;
|
|
|
|
- end;
|
|
|
|
-
|
|
|
|
-
|
|
|
|
-
|
|
|
|
procedure InitAsm;
|
|
procedure InitAsm;
|
|
begin
|
|
begin
|
|
end;
|
|
end;
|
|
@@ -766,31 +325,7 @@ uses cutils,rgobj;
|
|
end.
|
|
end.
|
|
{
|
|
{
|
|
$Log$
|
|
$Log$
|
|
- Revision 1.12 2002-09-30 23:16:49 jonas
|
|
|
|
- * is_nop() now identifies "mr rA,rA" instructions for removal
|
|
|
|
-
|
|
|
|
- Revision 1.11 2003/07/23 10:58:06 jonas
|
|
|
|
- - disabled some debugging code
|
|
|
|
-
|
|
|
|
- Revision 1.10 2003/07/06 21:26:06 jonas
|
|
|
|
- * committed wrong file previously :(
|
|
|
|
-
|
|
|
|
- Revision 1.8 2003/06/14 22:32:43 jonas
|
|
|
|
- * ppc compiles with -dnewra, haven't tried to compile anything with it
|
|
|
|
- yet though
|
|
|
|
-
|
|
|
|
- Revision 1.7 2003/06/14 14:53:50 jonas
|
|
|
|
- * fixed newra cycle for x86
|
|
|
|
- * added constants for indicating source and destination operands of the
|
|
|
|
- "move reg,reg" instruction to aasmcpu (and use those in rgobj)
|
|
|
|
-
|
|
|
|
- Revision 1.6 2003/05/11 11:08:25 jonas
|
|
|
|
- + op_reg_reg_reg_const_const (for rlwnm)
|
|
|
|
-
|
|
|
|
- Revision 1.5 2003/03/12 22:43:38 jonas
|
|
|
|
- * more powerpc and generic fixes related to the new register allocator
|
|
|
|
-
|
|
|
|
- Revision 1.4 2002/12/14 15:02:03 carl
|
|
|
|
|
|
+ Revision 1.4 2002-12-14 15:02:03 carl
|
|
* maxoperands -> max_operands (for portability in rautils.pas)
|
|
* maxoperands -> max_operands (for portability in rautils.pas)
|
|
* fix some range-check errors with loadconst
|
|
* fix some range-check errors with loadconst
|
|
+ add ncgadd unit to m68k
|
|
+ add ncgadd unit to m68k
|