{ $Id$ Copyright (c) 2000-2002 by Florian Klaempfl Code generation for add nodes on the SPARC This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. **************************************************************************** } unit ncpuadd; {$i fpcdefs.inc} interface uses node,ncgadd,cpubase,cginfo; type tsparcaddnode = class(tcgaddnode) private function GetResFlags(unsigned:Boolean):TResFlags; protected procedure second_addfloat;override; procedure second_cmpfloat;override; procedure second_cmpboolean;override; procedure second_cmpsmallset;override; procedure second_cmp64bit;override; procedure second_cmpordinal;override; end; implementation uses globtype,systems, cutils,verbose,globals, symconst,symdef,paramgr, aasmbase,aasmtai,aasmcpu,defutil,htypechk, cgbase,cpuinfo,pass_1,pass_2,regvars,cgcpu, cpupara, ncon,nset,nadd, ncgutil,tgobj,rgobj,rgcpu,cgobj,cg64f32; {***************************************************************************** TSparcAddNode *****************************************************************************} function TSparcAddNode.GetResFlags(unsigned:Boolean):TResFlags; begin case NodeType of equaln: GetResFlags:=F_E; unequaln: GetResFlags:=F_NE; else if not(unsigned) then begin if nf_swaped in flags then case NodeType of ltn: GetResFlags:=F_G; lten: GetResFlags:=F_GE; gtn: GetResFlags:=F_L; gten: GetResFlags:=F_LE; end else case NodeType of ltn: GetResFlags:=F_L; lten: GetResFlags:=F_LE; gtn: GetResFlags:=F_G; gten: GetResFlags:=F_GE; end; end else begin if nf_swaped in Flags then case NodeType of ltn: GetResFlags:=F_A; lten: GetResFlags:=F_AE; gtn: GetResFlags:=F_B; gten: GetResFlags:=F_BE; end else case NodeType of ltn: GetResFlags:=F_B; lten: GetResFlags:=F_BE; gtn: GetResFlags:=F_A; gten: GetResFlags:=F_AE; end; end; end; end; procedure tsparcaddnode.second_addfloat; var op : TAsmOp; begin pass_left_right; if (nf_swaped in flags) then swapleftright; case nodetype of addn : op:=A_FADDs; muln : op:=A_FMULs; subn : op:=A_FSUBs; slashn : op:=A_FDIVs; else internalerror(200306014); end; { force fpureg as location, left right doesn't matter as both will be in a fpureg } location_force_fpureg(exprasmlist,left.location,true); location_force_fpureg(exprasmlist,right.location,(left.location.loc<>LOC_CFPUREGISTER)); location_reset(location,LOC_FPUREGISTER,def_cgsize(resulttype.def)); if left.location.loc<>LOC_CFPUREGISTER then location.register:=left.location.register else location.register:=right.location.register; exprasmlist.concat(taicpu.op_reg_reg_reg(op, left.location.register,right.location.register,location.register)); release_reg_left_right; end; procedure tsparcaddnode.second_cmpfloat; begin pass_left_right; if (nf_swaped in flags) then swapleftright; { force fpureg as location, left right doesn't matter as both will be in a fpureg } location_force_fpureg(exprasmlist,left.location,true); location_force_fpureg(exprasmlist,right.location,true); location_reset(location,LOC_FLAGS,OS_NO); location.resflags:=getresflags(true); exprasmlist.concat(taicpu.op_reg_reg(A_FCMPs, left.location.register,right.location.register)); { Delay slot (can only contain integer operation) } exprasmlist.concat(taicpu.op_none(A_NOP)); release_reg_left_right; end; procedure tsparcaddnode.second_cmpboolean; begin pass_left_right; force_reg_left_right(true,true); if right.location.loc = LOC_CONSTANT then tcgsparc(cg).handle_reg_const_reg(exprasmlist,A_SUBcc,left.location.register,right.location.value,NR_G0) else exprasmlist.concat(taicpu.op_reg_reg_reg(A_SUBcc,left.location.register,right.location.register,NR_G0)); location_reset(location,LOC_FLAGS,OS_NO); location.resflags:=getresflags(true); release_reg_left_right; end; procedure tsparcaddnode.second_cmpsmallset; begin pass_left_right; force_reg_left_right(true,true); if right.location.loc = LOC_CONSTANT then tcgsparc(cg).handle_reg_const_reg(exprasmlist,A_SUBcc,left.location.register,right.location.value,NR_G0) else exprasmlist.concat(taicpu.op_reg_reg_reg(A_SUBcc,left.location.register,right.location.register,NR_G0)); location_reset(location,LOC_FLAGS,OS_NO); location.resflags:=getresflags(true); release_reg_left_right; end; procedure tsparcaddnode.second_cmp64bit; var unsigned : boolean; begin {$warning TODO 64bit compare} unsigned:=not(is_signed(left.resulttype.def)) or not(is_signed(right.resulttype.def)); location_reset(location,LOC_FLAGS,OS_NO); location.resflags:=getresflags(unsigned); release_reg_left_right; end; procedure tsparcaddnode.second_cmpordinal; var unsigned : boolean; begin pass_left_right; force_reg_left_right(true,true); unsigned:=not(is_signed(left.resulttype.def)) or not(is_signed(right.resulttype.def)); if right.location.loc = LOC_CONSTANT then tcgsparc(cg).handle_reg_const_reg(exprasmlist,A_SUBcc,left.location.register,right.location.value,NR_G0) else exprasmlist.concat(taicpu.op_reg_reg_reg(A_SUBcc,left.location.register,right.location.register,NR_G0)); location_reset(location,LOC_FLAGS,OS_NO); location.resflags:=getresflags(unsigned); release_reg_left_right; end; begin caddnode:=tsparcaddnode; end. { $Log$ Revision 1.19 2003-09-03 15:55:01 peter * NEWRA branch merged Revision 1.18.2.1 2003/09/01 21:02:55 peter * sparc updates for new tregister Revision 1.18 2003/07/08 21:25:00 peter * sparc fixes Revision 1.17 2003/07/06 22:09:50 peter * signed compare fixed Revision 1.16 2003/07/06 17:44:12 peter * cleanup and first sparc implementation Revision 1.15 2003/06/01 21:38:06 peter * getregisterfpu size parameter added * op_const_reg size parameter added * sparc updates }