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122 lines
3.7 KiB
ObjectPascal
122 lines
3.7 KiB
ObjectPascal
{
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Copyright (c) 1998-2002 by Florian Klaempfl
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Generate ARM assembler for math nodes
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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 narmmat;
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{$i fpcdefs.inc}
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interface
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uses
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node,nmat,ncgmat;
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type
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tarmnotnode = class(tcgnotnode)
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procedure second_boolean;override;
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end;
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tarmunaryminusnode = class(tcgunaryminusnode)
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procedure second_float;override;
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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,
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aasmbase,aasmcpu,aasmtai,
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defutil,
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cgbase,cgobj,cgutils,
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pass_1,pass_2,
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ncon,
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cpubase,cpuinfo,
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ncgutil,cgcpu,cg64f32,rgobj;
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{*****************************************************************************
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TARMNOTNODE
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*****************************************************************************}
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procedure tarmnotnode.second_boolean;
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var
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hl : tasmlabel;
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ins : taicpu;
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begin
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{ if the location is LOC_JUMP, we do the secondpass after the
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labels are allocated
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}
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if left.expectloc=LOC_JUMP then
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begin
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hl:=truelabel;
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truelabel:=falselabel;
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falselabel:=hl;
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secondpass(left);
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maketojumpbool(exprasmlist,left,lr_load_regvars);
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hl:=truelabel;
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truelabel:=falselabel;
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falselabel:=hl;
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location.loc:=LOC_JUMP;
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end
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else
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begin
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secondpass(left);
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case left.location.loc of
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LOC_FLAGS :
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begin
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location_copy(location,left.location);
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inverse_flags(location.resflags);
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end;
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LOC_REGISTER,LOC_CREGISTER,LOC_REFERENCE,LOC_CREFERENCE :
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begin
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location_force_reg(exprasmlist,left.location,def_cgsize(left.resulttype.def),true);
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exprasmlist.concat(taicpu.op_reg_const(A_CMP,left.location.register,0));
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location_reset(location,LOC_FLAGS,OS_NO);
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location.resflags:=F_EQ;
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end;
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else
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internalerror(2003042401);
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end;
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end;
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end;
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{*****************************************************************************
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TARMUNARYMINUSNODE
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*****************************************************************************}
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procedure tarmunaryminusnode.second_float;
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begin
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secondpass(left);
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location_reset(location,LOC_FPUREGISTER,def_cgsize(resulttype.def));
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location_force_fpureg(exprasmlist,left.location,false);
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location:=left.location;
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exprasmlist.concat(setoppostfix(taicpu.op_reg_reg_const(A_RSF,
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location.register,left.location.register,0),
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cgsize2fpuoppostfix[def_cgsize(resulttype.def)]));
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end;
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begin
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cnotnode:=tarmnotnode;
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cunaryminusnode:=tarmunaryminusnode;
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end.
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