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90 lines
2.9 KiB
ObjectPascal
90 lines
2.9 KiB
ObjectPascal
{
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Copyright (c) 1998-2011 by Florian Klaempfl and Jonas Maebe
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Generate assembler for constant nodes for the JVM
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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 njvmcon;
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{$i fpcdefs.inc}
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interface
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uses
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symtype,
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node,ncon,ncgcon;
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type
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tjvmrealconstnode = class(tcgrealconstnode)
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procedure pass_generate_code;override;
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end;
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tjvmstringconstnode = class(tstringconstnode)
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procedure pass_generate_code;override;
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end;
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implementation
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uses
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globtype,widestr,
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symdef,symtable,symconst,
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aasmdata,aasmcpu,defutil,
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cgbase,hlcgobj,hlcgcpu,cgutils,cpubase
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;
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{*****************************************************************************
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TJVMREALCONSTNODE
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*****************************************************************************}
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procedure tjvmrealconstnode.pass_generate_code;
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begin
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location_reset(location,LOC_FPUREGISTER,def_cgsize(resultdef));
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location.register:=hlcg.getfpuregister(current_asmdata.CurrAsmList,resultdef);
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thlcgjvm(hlcg).a_loadfpu_const_stack(current_asmdata.CurrAsmList,resultdef,value_real);
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thlcgjvm(hlcg).a_load_stack_reg(current_asmdata.CurrAsmList,resultdef,location.register);
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end;
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{ tcgstringconstnode }
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procedure tjvmstringconstnode.pass_generate_code;
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begin
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location_reset(location,LOC_REGISTER,def_cgsize(resultdef));
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location.register:=hlcg.getaddressregister(current_asmdata.CurrAsmList,resultdef);
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case cst_type of
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cst_ansistring,
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cst_shortstring,
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cst_conststring:
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current_asmdata.CurrAsmList.concat(taicpu.op_string(a_ldc,len,value_str));
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cst_unicodestring,
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cst_widestring:
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current_asmdata.CurrAsmList.concat(taicpu.op_wstring(a_ldc,pcompilerwidestring(value_str)));
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end;
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thlcgjvm(hlcg).incstack(current_asmdata.CurrAsmList,1);
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thlcgjvm(hlcg).a_load_stack_reg(current_asmdata.CurrAsmList,resultdef,location.register);
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end;
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begin
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crealconstnode:=tjvmrealconstnode;
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cstringconstnode:=tjvmstringconstnode;
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end.
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