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+ first version (uncompilable!)
This commit is contained in:
carl
parent
1f88f17a7f
commit
1e006a805c
782
compiler/ncgadd.pas
Normal file
782
compiler/ncgadd.pas
Normal file
@ -0,0 +1,782 @@
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{
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$Id$
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Copyright (c) 2000-2002 by the FPC development team
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Code generation for add nodes (generic version)
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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****************************************************************************
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}
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unit ncgcadd;
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{$i fpcdefs.inc}
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interface
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uses
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node,nadd,cpubase,cginfo;
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type
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tppcaddnode = class(taddnode)
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function pass_1: tnode; override;
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procedure pass_2;override;
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private
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procedure pass_left_and_right;
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procedure load_left_right(cmpop, load_constants: boolean);
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procedure clear_left_right(cmpop: boolean);
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function getresflags : tresflags;
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procedure emit_compare(unsigned : boolean);
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procedure second_addfloat;
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procedure second_addboolean;
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procedure second_addsmallset;
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procedure second_add64bit; { done }
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end;
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implementation
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uses
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globtype,systems,
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cutils,verbose,globals,
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symconst,symdef,paramgr,
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aasmbase,aasmtai,aasmcpu,defutil,htypechk,
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cgbase,cpuinfo,pass_1,pass_2,regvars,
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cpupara,
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ncon,nset,
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cga,ncgutil,tgobj,rgobj,rgcpu,cgobj,cg64f32;
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{*****************************************************************************
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Helpers
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*****************************************************************************}
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function tcgaddnode.getresflags(unsigned : boolean) : tresflags;
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begin
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case nodetype of
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equaln : getresflags:=F_E;
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unequaln : getresflags:=F_NE;
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else
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if not(unsigned) then
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begin
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if nf_swaped in flags then
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case nodetype of
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ltn : getresflags:=F_G;
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lten : getresflags:=F_GE;
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gtn : getresflags:=F_L;
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gten : getresflags:=F_LE;
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end
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else
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case nodetype of
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ltn : getresflags:=F_L;
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lten : getresflags:=F_LE;
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gtn : getresflags:=F_G;
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gten : getresflags:=F_GE;
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end;
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end
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else
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begin
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if nf_swaped in flags then
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case nodetype of
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ltn : getresflags:=F_A;
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lten : getresflags:=F_AE;
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gtn : getresflags:=F_B;
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gten : getresflags:=F_BE;
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end
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else
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case nodetype of
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ltn : getresflags:=F_B;
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lten : getresflags:=F_BE;
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gtn : getresflags:=F_A;
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gten : getresflags:=F_AE;
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end;
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end;
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end;
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end;
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procedure tcgaddnode.pass_left_and_right;
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var
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pushedregs : tmaybesave;
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tmpreg : tregister;
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pushedfpu : boolean;
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begin
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{ calculate the operator which is more difficult }
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firstcomplex(self);
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{ in case of constant put it to the left }
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if (left.nodetype=ordconstn) then
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swapleftright;
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secondpass(left);
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{ are too few registers free? }
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maybe_save(exprasmlist,right.registers32,left.location,pushedregs);
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if location.loc=LOC_FPUREGISTER then
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pushedfpu:=maybe_pushfpu(exprasmlist,right.registersfpu,left.location)
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else
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pushedfpu:=false;
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secondpass(right);
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maybe_restore(exprasmlist,left.location,pushedregs);
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if pushedfpu then
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begin
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tmpreg := rg.getregisterfpu(exprasmlist);
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cg.a_loadfpu_loc_reg(exprasmlist,left.location,tmpreg);
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location_reset(left.location,LOC_FPUREGISTER,left.location.size);
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left.location.register := tmpreg;
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end;
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end;
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procedure tcgaddnode.load_left_right(cmpop, load_constants: boolean);
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procedure load_node(var n: tnode);
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begin
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case n.location.loc of
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LOC_REGISTER:
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if not cmpop then
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begin
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location.register := n.location.register;
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if is_64bitint(n.resulttype.def) then
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location.registerhigh := n.location.registerhigh;
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end;
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LOC_REFERENCE,LOC_CREFERENCE:
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begin
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location_force_reg(exprasmlist,n.location,def_cgsize(n.resulttype.def),false);
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if not cmpop then
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begin
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location.register := n.location.register;
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if is_64bitint(n.resulttype.def) then
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location.registerhigh := n.location.registerhigh;
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end;
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end;
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LOC_CONSTANT:
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begin
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if load_constants then
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begin
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location_force_reg(exprasmlist,n.location,def_cgsize(n.resulttype.def),false);
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if not cmpop then
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location.register := n.location.register;
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if is_64bitint(n.resulttype.def) then
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location.registerhigh := n.location.registerhigh;
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end;
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end;
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end;
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end;
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begin
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load_node(left);
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load_node(right);
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end;
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{*****************************************************************************
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AddSmallSet
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*****************************************************************************}
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procedure tppcaddnode.second_opsmallset;
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var
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cmpop : boolean;
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begin
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cmpop := false;
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pass_left_and_right;
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{ when a setdef is passed, it has to be a smallset }
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if ((left.resulttype.def.deftype=setdef) and
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(tsetdef(left.resulttype.def).settype<>smallset)) or
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((right.resulttype.def.deftype=setdef) and
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(tsetdef(right.resulttype.def).settype<>smallset)) then
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internalerror(200203301);
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if nodetype in [equaln,unequaln,gtn,gten,lte,lten] then
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cmpop := true;
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load_left_right(cmpop,false);
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if cmpop then
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second_cmpsmallset
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else
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second_addsmallset;
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clear_left_right(cmpop);
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end;
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procedure tcgaddnode.second_cmpsmallset;
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begin
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location_reset(location,LOC_FLAGS,OS_NO);
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case nodetype of
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equaln,
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unequaln :
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begin
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{emit_compare(true);}
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end;
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lten,gten:
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begin
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(*
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If (not(nf_swaped in flags) and
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(nodetype = lten)) or
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((nf_swaped in flags) and
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(nodetype = gten)) then
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swapleftright;
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// now we have to check whether left >= right
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tmpreg := cg.get_scratch_reg_int(exprasmlist);
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if left.location.loc = LOC_CONSTANT then
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begin
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cg.a_op_const_reg_reg(exprasmlist,OP_AND,OS_INT,
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not(left.location.value),right.location.register,tmpreg);
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exprasmlist.concat(taicpu.op_reg_const(A_CMPWI,tmpreg,0));
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// the two instructions above should be folded together by
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// the peepholeoptimizer
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end
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else
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begin
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if right.location.loc = LOC_CONSTANT then
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begin
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cg.a_load_const_reg(exprasmlist,OS_INT,
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aword(right.location.value),tmpreg);
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exprasmlist.concat(taicpu.op_reg_reg_reg(A_ANDC_,tmpreg,
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tmpreg,left.location.register));
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end
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else
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exprasmlist.concat(taicpu.op_reg_reg_reg(A_ANDC_,tmpreg,
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right.location.register,left.location.register));
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end;
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cg.free_scratch_reg(exprasmlist,tmpreg);
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location.resflags.cr := R_CR0;
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location.resflags.flag := F_EQ;
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opdone := true;*)
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end;
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else
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internalerror(2002072701);
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end;
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end;
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procedure tppcaddnode.second_addsmallset;
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var
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cgop : TOpCg;
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tmpreg : tregister;
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opdone,
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cmpop : boolean;
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begin
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opdone := false;
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location_reset(location,LOC_REGISTER,def_cgsize(resulttype.def))
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if (location.register = R_NO) then
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location.register := rg.getregisterint(exprasmlist);
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case nodetype of
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addn :
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begin
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if (nf_swaped in flags) and (left.nodetype=setelementn) then
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swapleftright;
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{ are we adding set elements ? }
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if right.nodetype=setelementn then
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begin
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{ no range support for smallsets! }
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if assigned(tsetelementnode(right).right) then
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internalerror(43244);
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if (right.location.loc = LOC_CONSTANT) then
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cg.a_op_const_reg_reg(exprasmlist,OP_OR,OS_INT,
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aword(1 shl aword(right.location.value)),
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left.location.register,location.register)
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else
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begin
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tmpreg := cg.get_scratch_reg_int(exprasmlist);
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cg.a_load_const_reg(exprasmlist,OS_INT,1,tmpreg);
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cg.a_op_reg_reg(exprasmlist,OP_SHL,OS_INT,
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right.location.register,tmpreg);
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if left.location.loc <> LOC_CONSTANT then
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cg.a_op_reg_reg_reg(exprasmlist,OP_OR,OS_INT,tmpreg,
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left.location.register,location.register)
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else
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cg.a_op_const_reg_reg(exprasmlist,OP_OR,OS_INT,
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aword(left.location.value),tmpreg,location.register);
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cg.free_scratch_reg(exprasmlist,tmpreg);
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end;
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opdone := true;
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end
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else
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cgop := OP_OR;
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end;
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symdifn :
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cgop:=OP_XOR;
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muln :
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cgop:=OP_AND;
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subn :
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begin
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cgop:=OP_AND;
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if (not(nf_swaped in flags)) then
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if (right.location.loc=LOC_CONSTANT) then
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right.location.value := not(right.location.value)
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else
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opdone := true
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else if (left.location.loc=LOC_CONSTANT) then
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left.location.value := not(left.location.value)
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else
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begin
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swapleftright;
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opdone := true;
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end;
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if opdone then
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begin
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if left.location.loc = LOC_CONSTANT then
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begin
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tmpreg := cg.get_scratch_reg_int(exprasmlist);
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cg.a_load_const_reg(exprasmlist,OS_INT,
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aword(left.location.value),tmpreg);
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cg.a_op_reg(OP_NOT,OS_INT,right.location.register);
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cg.a_op_reg_reg(OP_AND,OS_INT,right.location.register,tmpreg);
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cg.a_load_reg_reg(OS_INT,tmpreg,location.register);
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cg.free_scratch_reg(exprasmlist,tmpreg);
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end
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else
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begin
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cg.a_op_reg(OP_NOT,OS_INT,right.location.register);
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cg.a_op_reg_reg(OP_AND,OS_INT,right.location.register,left.location.register);
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cg.a_load_reg_reg(OS_INT,left.location.register,location.register);
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end;
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end;
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end;
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else
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internalerror(2002072701);
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end;
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if not opdone then
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begin
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// these are all commutative operations
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if (left.location.loc = LOC_CONSTANT) then
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swapleftright;
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if (right.location.loc = LOC_CONSTANT) then
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cg.a_op_const_reg_reg(exprasmlist,cgop,OS_INT,
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aword(right.location.value),left.location.register,
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location.register)
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else
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cg.a_op_reg_reg_reg(exprasmlist,cgop,OS_INT,
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right.location.register,left.location.register,
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location.register);
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end;
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end;
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{*****************************************************************************
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AddBoolean
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*****************************************************************************}
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procedure tppcaddnode.second_opboolean
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begin
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{ calculate the operator which is more difficult }
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firstcomplex(self);
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end;
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procedure tppcaddnode.second_cmpboolean;
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begin
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end;
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procedure tppcaddnode.second_addboolean;
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var
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cgop : TOpCg;
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cgsize : TCgSize;
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cmpop,
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isjump : boolean;
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otl,ofl : tasmlabel;
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pushedregs : tmaybesave;
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begin
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cmpop:=false;
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if (torddef(left.resulttype.def).typ=bool8bit) or
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(torddef(right.resulttype.def).typ=bool8bit) then
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cgsize:=OS_8
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else
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if (torddef(left.resulttype.def).typ=bool16bit) or
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(torddef(right.resulttype.def).typ=bool16bit) then
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cgsize:=OS_16
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else
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cgsize:=OS_32;
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(*
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if (cs_full_boolean_eval in aktlocalswitches) or
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(nodetype in [unequaln,ltn,lten,gtn,gten,equaln,xorn]) then
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begin
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if left.nodetype in [ordconstn,realconstn] then
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swapleftright;
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isjump:=(left.location.loc=LOC_JUMP);
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if isjump then
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begin
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otl:=truelabel;
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objectlibrary.getlabel(truelabel);
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ofl:=falselabel;
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objectlibrary.getlabel(falselabel);
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end;
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secondpass(left);
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if left.location.loc in [LOC_FLAGS,LOC_JUMP] then
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location_force_reg(exprasmlist,left.location,cgsize,false);
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if isjump then
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begin
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truelabel:=otl;
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falselabel:=ofl;
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end;
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maybe_save(exprasmlist,right.registers32,left.location,pushedregs);
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isjump:=(right.location.loc=LOC_JUMP);
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if isjump then
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begin
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otl:=truelabel;
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objectlibrary.getlabel(truelabel);
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ofl:=falselabel;
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objectlibrary.getlabel(falselabel);
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||||
end;
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||||
secondpass(right);
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maybe_restore(exprasmlist,left.location,pushedregs);
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if right.location.loc in [LOC_FLAGS,LOC_JUMP] then
|
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location_force_reg(exprasmlist,right.location,cgsize,false);
|
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if isjump then
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begin
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truelabel:=otl;
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falselabel:=ofl;
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||||
end;
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||||
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cmpop := nodetype in [ltn,lten,gtn,gten,equaln,unequaln];
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||||
|
||||
{ set result location }
|
||||
if not cmpop then
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||||
location_reset(location,LOC_REGISTER,def_cgsize(resulttype.def))
|
||||
else
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location_reset(location,LOC_FLAGS,OS_NO);
|
||||
|
||||
load_left_right(cmpop,false);
|
||||
|
||||
if (left.location.loc = LOC_CONSTANT) then
|
||||
swapleftright;
|
||||
|
||||
{ compare the }
|
||||
case nodetype of
|
||||
ltn,lten,gtn,gten,
|
||||
equaln,unequaln :
|
||||
begin
|
||||
if (right.location.loc <> LOC_CONSTANT) then
|
||||
exprasmlist.concat(taicpu.op_reg_reg(A_CMPLW,
|
||||
left.location.register,right.location.register))
|
||||
else
|
||||
exprasmlist.concat(taicpu.op_reg_const(A_CMPLWI,
|
||||
left.location.register,longint(right.location.value)));
|
||||
location.resflags := getresflags;
|
||||
end;
|
||||
else
|
||||
begin
|
||||
case nodetype of
|
||||
xorn :
|
||||
cgop:=OP_XOR;
|
||||
orn :
|
||||
cgop:=OP_OR;
|
||||
andn :
|
||||
cgop:=OP_AND;
|
||||
else
|
||||
internalerror(200203247);
|
||||
end;
|
||||
|
||||
if right.location.loc <> LOC_CONSTANT then
|
||||
cg.a_op_reg_reg_reg(exprasmlist,cgop,OS_INT,
|
||||
left.location.register,right.location.register,
|
||||
location.register)
|
||||
else
|
||||
cg.a_op_const_reg_reg(exprasmlist,cgop,OS_INT,
|
||||
aword(right.location.value),left.location.register,
|
||||
location.register);
|
||||
end;
|
||||
end;
|
||||
end
|
||||
else
|
||||
begin
|
||||
// just to make sure we free the right registers
|
||||
cmpop := true;
|
||||
case nodetype of
|
||||
andn,
|
||||
orn :
|
||||
begin
|
||||
location_reset(location,LOC_JUMP,OS_NO);
|
||||
case nodetype of
|
||||
andn :
|
||||
begin
|
||||
otl:=truelabel;
|
||||
objectlibrary.getlabel(truelabel);
|
||||
secondpass(left);
|
||||
maketojumpbool(exprasmlist,left,lr_load_regvars);
|
||||
cg.a_label(exprasmlist,truelabel);
|
||||
truelabel:=otl;
|
||||
end;
|
||||
orn :
|
||||
begin
|
||||
ofl:=falselabel;
|
||||
objectlibrary.getlabel(falselabel);
|
||||
secondpass(left);
|
||||
maketojumpbool(exprasmlist,left,lr_load_regvars);
|
||||
cg.a_label(exprasmlist,falselabel);
|
||||
falselabel:=ofl;
|
||||
end;
|
||||
else
|
||||
CGMessage(type_e_mismatch);
|
||||
end;
|
||||
secondpass(right);
|
||||
maketojumpbool(exprasmlist,right,lr_load_regvars);
|
||||
end;
|
||||
end;
|
||||
end;*)
|
||||
clear_left_right(cmpop);
|
||||
end;
|
||||
|
||||
|
||||
{*****************************************************************************
|
||||
Add64bit
|
||||
*****************************************************************************}
|
||||
|
||||
procedure tcgaddnode.second_op64bit;
|
||||
var
|
||||
cmpop : boolean;
|
||||
begin
|
||||
cmpop := false;
|
||||
firstcomplex(self);
|
||||
|
||||
pass_left_and_right;
|
||||
|
||||
if nodetype in [equaln,unequaln,gtn,gten,lte,lten] then
|
||||
cmpop := true;
|
||||
|
||||
if cmpop then
|
||||
second_cmp64bit
|
||||
else
|
||||
second_add64bit;
|
||||
|
||||
clear_left_right(cmpop);
|
||||
end;
|
||||
|
||||
procedure tcgaddnode.second_cmp64bit;
|
||||
begin
|
||||
(* load_left_right(true,false);
|
||||
|
||||
case nodetype of
|
||||
ltn,lten,
|
||||
gtn,gten:
|
||||
begin
|
||||
emit_cmp64_hi;
|
||||
firstjmp64bitcmp;
|
||||
emit_cmp64_lo;
|
||||
secondjmp64bitcmp;
|
||||
end;
|
||||
equaln,unequaln:
|
||||
begin
|
||||
// instead of doing a complicated compare, do
|
||||
// (left.hi xor right.hi) or (left.lo xor right.lo)
|
||||
// (somewhate optimized so that no superfluous 'mr's are
|
||||
// generated)
|
||||
if (left.location.loc = LOC_CONSTANT) then
|
||||
swapleftright;
|
||||
if (right.location.loc = LOC_CONSTANT) then
|
||||
begin
|
||||
if left.location.loc = LOC_REGISTER then
|
||||
begin
|
||||
tempreg64.reglo := left.location.registerlow;
|
||||
tempreg64.reghi := left.location.registerhigh;
|
||||
end
|
||||
else
|
||||
begin
|
||||
if (aword(right.location.valueqword) <> 0) then
|
||||
tempreg64.reglo := cg.get_scratch_reg_int(exprasmlist)
|
||||
else
|
||||
tempreg64.reglo := left.location.registerlow;
|
||||
if ((right.location.valueqword shr 32) <> 0) then
|
||||
tempreg64.reghi := cg.get_scratch_reg_int(exprasmlist)
|
||||
else
|
||||
tempreg64.reghi := left.location.registerhigh;
|
||||
end;
|
||||
|
||||
if (aword(right.location.valueqword) <> 0) then
|
||||
{ negative values can be handled using SUB, }
|
||||
{ positive values < 65535 using XOR. }
|
||||
if (longint(right.location.valueqword) >= -32767) and
|
||||
(longint(right.location.valueqword) < 0) then
|
||||
cg.a_op_const_reg_reg(exprasmlist,OP_SUB,OS_INT,
|
||||
aword(right.location.valueqword),
|
||||
left.location.registerlow,tempreg64.reglo)
|
||||
else
|
||||
cg.a_op_const_reg_reg(exprasmlist,OP_XOR,OS_INT,
|
||||
aword(right.location.valueqword),
|
||||
left.location.registerlow,tempreg64.reglo);
|
||||
|
||||
if ((right.location.valueqword shr 32) <> 0) then
|
||||
if (longint(right.location.valueqword shr 32) >= -32767) and
|
||||
(longint(right.location.valueqword shr 32) < 0) then
|
||||
cg.a_op_const_reg_reg(exprasmlist,OP_SUB,OS_INT,
|
||||
aword(right.location.valueqword shr 32),
|
||||
left.location.registerhigh,tempreg64.reghi)
|
||||
else
|
||||
cg.a_op_const_reg_reg(exprasmlist,OP_XOR,OS_INT,
|
||||
aword(right.location.valueqword shr 32),
|
||||
left.location.registerhigh,tempreg64.reghi);
|
||||
end
|
||||
else
|
||||
begin
|
||||
tempreg64.reglo := cg.get_scratch_reg_int(exprasmlist);
|
||||
tempreg64.reghi := cg.get_scratch_reg_int(exprasmlist);
|
||||
cg64.a_op64_reg_reg_reg(exprasmlist,OP_XOR,
|
||||
left.location.register64,right.location.register64,
|
||||
tempreg64);
|
||||
end;
|
||||
|
||||
cg.a_reg_alloc(exprasmlist,R_0);
|
||||
exprasmlist.concat(taicpu.op_reg_reg_reg(A_OR_,R_0,
|
||||
tempreg64.reglo,tempreg64.reghi));
|
||||
cg.a_reg_dealloc(exprasmlist,R_0);
|
||||
if (tempreg64.reglo <> left.location.registerlow) then
|
||||
cg.free_scratch_reg(exprasmlist,tempreg64.reglo);
|
||||
if (tempreg64.reghi <> left.location.registerhigh) then
|
||||
cg.free_scratch_reg(exprasmlist,tempreg64.reghi);
|
||||
|
||||
location_reset(location,LOC_FLAGS,OS_NO);
|
||||
location.resflags := getresflags;
|
||||
end;
|
||||
else
|
||||
internalerror(2002072803);
|
||||
end;
|
||||
|
||||
|
||||
{ set result location }
|
||||
{ (emit_compare sets it to LOC_FLAGS for compares, so set the }
|
||||
{ real location only now) (JM) }
|
||||
if cmpop and
|
||||
not(nodetype in [equaln,unequaln]) then
|
||||
location_reset(location,LOC_JUMP,OS_NO);
|
||||
*)
|
||||
end;
|
||||
|
||||
|
||||
procedure tppcaddnode.second_add64bit;
|
||||
var
|
||||
op : TOpCG;
|
||||
unsigned : boolean;
|
||||
|
||||
begin
|
||||
|
||||
unsigned:=((left.resulttype.def.deftype=orddef) and
|
||||
(torddef(left.resulttype.def).typ=u64bit)) or
|
||||
((right.resulttype.def.deftype=orddef) and
|
||||
(torddef(right.resulttype.def).typ=u64bit));
|
||||
case nodetype of
|
||||
addn :
|
||||
op:=OP_ADD;
|
||||
subn :
|
||||
op:=OP_SUB;
|
||||
xorn:
|
||||
op:=OP_XOR;
|
||||
orn:
|
||||
op:=OP_OR;
|
||||
andn:
|
||||
op:=OP_AND;
|
||||
muln:
|
||||
begin
|
||||
{ should be handled in pass_1 (JM) }
|
||||
internalerror(200109051);
|
||||
end;
|
||||
else
|
||||
internalerror(2002072705);
|
||||
end;
|
||||
|
||||
location_reset(location,LOC_REGISTER,def_cgsize(resulttype.def));
|
||||
|
||||
load_left_right(false,(cs_check_overflow in aktlocalswitches) and
|
||||
(nodetype in [addn,subn]));
|
||||
|
||||
case nodetype of
|
||||
begin
|
||||
xorn,orn,andn,addn:
|
||||
begin
|
||||
if (location.registerlow = R_NO) then
|
||||
begin
|
||||
location.registerlow := rg.getregisterint(exprasmlist);
|
||||
location.registerhigh := rg.getregisterint(exprasmlist);
|
||||
end;
|
||||
|
||||
if (left.location.loc = LOC_CONSTANT) then
|
||||
swapleftright;
|
||||
if (right.location.loc = LOC_CONSTANT) then
|
||||
cg64.a_op64_const_reg_reg(exprasmlist,op,right.location.valueqword,
|
||||
left.location.register64,location.register64)
|
||||
else
|
||||
cg64.a_op64_reg_reg_reg(exprasmlist,op,right.location.register64,
|
||||
left.location.register64,location.register64);
|
||||
end;
|
||||
subn:
|
||||
begin
|
||||
if (nf_swaped in flags) then
|
||||
swapleftright;
|
||||
|
||||
if left.location.loc <> LOC_CONSTANT then
|
||||
begin
|
||||
if (location.registerlow = R_NO) then
|
||||
begin
|
||||
location.registerlow := rg.getregisterint(exprasmlist);
|
||||
location.registerhigh := rg.getregisterint(exprasmlist);
|
||||
end;
|
||||
if right.location.loc <> LOC_CONSTANT then
|
||||
// reg64 - reg64
|
||||
cg64.a_op64_reg_reg_reg(exprasmlist,OP_SUB,
|
||||
right.location.register64,left.location.register64,
|
||||
location.register64)
|
||||
else
|
||||
// reg64 - const64
|
||||
cg64.a_op64_const_reg_reg(exprasmlist,OP_SUB,
|
||||
right.location.valueqword,left.location.register64,
|
||||
location.register64)
|
||||
end
|
||||
else
|
||||
begin
|
||||
// const64 - reg64
|
||||
location_force_reg(exprasmlist,left.location,
|
||||
def_cgsize(left.resulttype.def),true);
|
||||
if (left.location.loc = LOC_REGISTER) then
|
||||
location.register64 := left.location.register64
|
||||
else if (location.registerlow = R_NO) then
|
||||
begin
|
||||
location.registerlow := rg.getregisterint(exprasmlist);
|
||||
location.registerhigh := rg.getregisterint(exprasmlist);
|
||||
end;
|
||||
cg64.a_op64_reg_reg_reg(exprasmlist,OP_SUB,
|
||||
right.location.register64,left.location.register64,
|
||||
location.register64);
|
||||
end;
|
||||
end;
|
||||
else
|
||||
internalerror(2002072803);
|
||||
end;
|
||||
end
|
||||
{ emit overflow check if enabled }
|
||||
cg.g_overflowcheck(exprasmlist,self);
|
||||
|
||||
end;
|
||||
|
||||
|
||||
{
|
||||
$Log$
|
||||
Revision 1.1 2002-12-07 19:51:35 carl
|
||||
+ first version (uncompilable!)
|
||||
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user