mirror of
				https://gitlab.com/freepascal.org/fpc/source.git
				synced 2025-10-31 22:11:12 +01:00 
			
		
		
		
	
		
			
				
	
	
		
			2473 lines
		
	
	
		
			74 KiB
		
	
	
	
		
			ObjectPascal
		
	
	
	
	
	
			
		
		
	
	
			2473 lines
		
	
	
		
			74 KiB
		
	
	
	
		
			ObjectPascal
		
	
	
	
	
	
| {
 | |
|     $Id$
 | |
|     Copyright (c) 1998-2002 by Florian Klaempfl
 | |
| 
 | |
|     This unit implements an abstract asmoutput class for all processor types
 | |
| 
 | |
|     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.
 | |
| 
 | |
|  ****************************************************************************
 | |
| }
 | |
| { @abstract(This unit implements an abstract asm output class for all processor types)
 | |
|   This unit implements an abstract assembler output class for all processors, these
 | |
|   are then overriden for each assembler writer to actually write the data in these
 | |
|   classes to an assembler file.
 | |
| }
 | |
| 
 | |
| unit aasmtai;
 | |
| 
 | |
| {$i fpcdefs.inc}
 | |
| 
 | |
| interface
 | |
| 
 | |
|     uses
 | |
|        cutils,cclasses,
 | |
|        globtype,globals,systems,
 | |
|        cpuinfo,cpubase,
 | |
|        cgbase,
 | |
|        symppu,symtype,
 | |
|        aasmbase;
 | |
| 
 | |
|     type
 | |
|        taitype = (
 | |
|           ait_none,
 | |
|           ait_align,
 | |
|           ait_section,
 | |
|           ait_comment,
 | |
|           ait_direct,
 | |
|           ait_string,
 | |
|           ait_instruction,
 | |
|           ait_datablock,
 | |
|           ait_symbol,
 | |
|           ait_symbol_end, { needed to calc the size of a symbol }
 | |
|           ait_label,
 | |
|           ait_const_32bit,
 | |
|           ait_const_16bit,
 | |
|           ait_const_8bit,
 | |
|           ait_const_symbol,
 | |
|           { the following is only used by the win32 version of the compiler }
 | |
|           { and only the GNU AS Win32 is able to write it                   }
 | |
|           ait_const_rva,
 | |
|           ait_real_32bit,
 | |
|           ait_real_64bit,
 | |
|           ait_real_80bit,
 | |
|           ait_comp_64bit,
 | |
|           ait_real_128bit,
 | |
| {$ifdef GDB}
 | |
|           ait_stabn,
 | |
|           ait_stabs,
 | |
|           ait_force_line,
 | |
|           ait_stab_function_name,
 | |
| {$endif GDB}
 | |
| {$ifdef alpha}
 | |
|           { the follow is for the DEC Alpha }
 | |
|           ait_frame,
 | |
|           ait_ent,
 | |
| {$endif alpha}
 | |
| {$ifdef ia64}
 | |
|           ait_bundle,
 | |
|           ait_stop,
 | |
| {$endif ia64}
 | |
| {$ifdef m68k}
 | |
|           ait_labeled_instruction,
 | |
| {$endif m68k}
 | |
| {$ifdef SPARC}
 | |
|           ait_labeled_instruction,
 | |
| {$endif SPARC}
 | |
|           ait_cut, { used to split into tiny assembler files }
 | |
|           ait_regalloc,
 | |
|           ait_tempalloc,
 | |
|           ait_marker { used to mark assembler blocks and inlined functions }
 | |
|           );
 | |
| 
 | |
|     const
 | |
|        taitypestr : array[taitype] of string[14] = (
 | |
|           '<none>',
 | |
|           'align',
 | |
|           'section',
 | |
|           'comment',
 | |
|           'direct',
 | |
|           'string',
 | |
|           'instruction',
 | |
|           'datablock',
 | |
|           'symbol',
 | |
|           'symbol_end',
 | |
|           'label',
 | |
|           'const_32bit',
 | |
|           'const_16bit',
 | |
|           'const_8bit',
 | |
|           'const_symbol',
 | |
|           'const_rva',
 | |
|           'real_32bit',
 | |
|           'real_64bit',
 | |
|           'real_80bit',
 | |
|           'comp_64bit',
 | |
|           'real_128bit',
 | |
| {$ifdef GDB}
 | |
|           'stabn',
 | |
|           'stabs',
 | |
|           'force_line',
 | |
|           'stab_funcname',
 | |
| {$endif GDB}
 | |
| {$ifdef alpha}
 | |
|           { the follow is for the DEC Alpha }
 | |
|           'frame',
 | |
|           'ent',
 | |
| {$endif alpha}
 | |
| {$ifdef ia64}
 | |
|           'bundle',
 | |
|           'stop',
 | |
| {$endif ia64}
 | |
| {$ifdef m68k}
 | |
|           'labeled_instr',
 | |
| {$endif m68k}
 | |
| {$ifdef SPARC}
 | |
|           'labeled_instr',
 | |
| {$endif SPARC}
 | |
|           'cut',
 | |
|           'regalloc',
 | |
|           'tempalloc',
 | |
|           'marker'
 | |
|           );
 | |
| 
 | |
|     type
 | |
|       { Types of operand }
 | |
|       toptype=(top_none,top_reg,top_ref,top_const,top_symbol,top_bool,top_local,
 | |
|        { ARM only }
 | |
|        top_regset,
 | |
|        { ARM only }
 | |
|        top_shifterop);
 | |
| 
 | |
|       toper=record
 | |
|         ot : longint;
 | |
|         case typ : toptype of
 | |
|          top_none   : ();
 | |
|          top_reg    : (reg:tregister);
 | |
|          top_ref    : (ref:preference);
 | |
|          top_const  : (val:aword);
 | |
|          top_symbol : (sym:tasmsymbol;symofs:longint);
 | |
|          top_bool   : (b:boolean);
 | |
|          { local varsym that will be inserted in pass_2 }
 | |
|          top_local  : (localsym:pointer;localsymderef:tderef;localsymofs:longint;localindexreg:tregister;
 | |
|                        localscale:byte;localgetoffset:boolean);
 | |
|       {$ifdef arm}
 | |
|          top_regset : (regset:^tcpuregisterset);
 | |
|          top_shifterop : (shifterop : pshifterop);
 | |
|       {$endif arm}
 | |
|       end;
 | |
|       poper=^toper;
 | |
| 
 | |
| { ait_* types which don't result in executable code or which don't influence   }
 | |
| { the way the program runs/behaves, but which may be encountered by the        }
 | |
| { optimizer (= if it's sometimes added to the exprasm list). Update if you add }
 | |
| { a new ait type!                                                              }
 | |
|     const
 | |
|       SkipInstr = [ait_comment, ait_symbol,ait_section
 | |
| {$ifdef GDB}
 | |
|                    ,ait_stabs, ait_stabn, ait_stab_function_name, ait_force_line
 | |
| {$endif GDB}
 | |
|                    ,ait_regalloc, ait_tempalloc, ait_symbol_end];
 | |
| 
 | |
| { ait_* types which do not have line information (and hence which are of type
 | |
|   tai, otherwise, they are of type tailineinfo }
 | |
| { ait_* types which do not have line information (and hence which are of type
 | |
|   tai, otherwise, they are of type tailineinfo }
 | |
|       SkipLineInfo =[ait_label,
 | |
|                      ait_regalloc,ait_tempalloc,
 | |
| {$ifdef GDB}
 | |
|                   ait_stabn,ait_stabs,ait_stab_function_name,
 | |
| {$endif GDB}
 | |
|                   ait_cut,ait_marker,ait_align,ait_section,ait_comment,
 | |
|                   ait_const_8bit,ait_const_16bit,ait_const_32bit,
 | |
|                   ait_real_32bit,ait_real_64bit,ait_real_80bit,ait_comp_64bit,ait_real_128bit
 | |
|                   ];
 | |
| 
 | |
| 
 | |
|     type
 | |
|        { cut type, required for alphanumeric ordering of the assembler filenames }
 | |
|        TCutPlace=(cut_normal,cut_begin,cut_end);
 | |
| 
 | |
|        TMarker = (NoPropInfoStart,NoPropInfoEnd,
 | |
|                   AsmBlockStart,AsmBlockEnd,
 | |
|                   InlineStart,InlineEnd,marker_blockstart,
 | |
|                   marker_position);
 | |
| 
 | |
|        { Buffer type used for alignment }
 | |
|        tfillbuffer = array[0..63] of char;
 | |
| 
 | |
|        Tspill_temp_list=array[tsuperregister] of Treference;
 | |
| 
 | |
|        { abstract assembler item }
 | |
|        tai = class(TLinkedListItem)
 | |
| {$ifndef NOOPT}
 | |
|           { pointer to record with optimizer info about this tai object }
 | |
|           optinfo  : pointer;
 | |
| {$endif NOOPT}
 | |
|           typ      : taitype;
 | |
|           constructor Create;
 | |
|           constructor ppuload(t:taitype;ppufile:tcompilerppufile);virtual;
 | |
|           procedure ppuwrite(ppufile:tcompilerppufile);virtual;
 | |
|           procedure buildderefimpl;virtual;
 | |
|           procedure derefimpl;virtual;
 | |
|        end;
 | |
| 
 | |
|        { abstract assembler item with line information }
 | |
|        tailineinfo = class(tai)
 | |
|         fileinfo : tfileposinfo;
 | |
|         constructor Create;
 | |
|         constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
 | |
|         procedure ppuwrite(ppufile:tcompilerppufile);override;
 | |
|        end;
 | |
| 
 | |
| 
 | |
|        taiclass = class of tai;
 | |
| 
 | |
|        taiclassarray = array[taitype] of taiclass;
 | |
| 
 | |
|        { Generates an assembler string }
 | |
|        tai_string = class(tailineinfo)
 | |
|           str : pchar;
 | |
|           { extra len so the string can contain an \0 }
 | |
|           len : longint;
 | |
|           constructor Create(const _str : string);
 | |
|           constructor Create_pchar(_str : pchar);
 | |
|           constructor Create_length_pchar(_str : pchar;length : longint);
 | |
|           destructor Destroy;override;
 | |
|           constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
 | |
|           procedure ppuwrite(ppufile:tcompilerppufile);override;
 | |
|           function getcopy:tlinkedlistitem;override;
 | |
|        end;
 | |
| 
 | |
|        { Generates a common label }
 | |
|        tai_symbol = class(tailineinfo)
 | |
|           is_global : boolean;
 | |
|           sym       : tasmsymbol;
 | |
|           size      : longint;
 | |
|           constructor Create(_sym:tasmsymbol;siz:longint);
 | |
|           constructor Create_Global(_sym:tasmsymbol;siz:longint);
 | |
|           constructor Createname(const _name : string;siz:longint);
 | |
|           constructor Createname_global(const _name : string;siz:longint);
 | |
|           constructor Createdataname(const _name : string;siz:longint);
 | |
|           constructor Createdataname_global(const _name : string;siz:longint);
 | |
|           constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
 | |
|           procedure ppuwrite(ppufile:tcompilerppufile);override;
 | |
|           procedure derefimpl;override;
 | |
|        end;
 | |
| 
 | |
|        tai_symbol_end = class(tailineinfo)
 | |
|           sym : tasmsymbol;
 | |
|           constructor Create(_sym:tasmsymbol);
 | |
|           constructor Createname(const _name : string);
 | |
|           constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
 | |
|           procedure ppuwrite(ppufile:tcompilerppufile);override;
 | |
|           procedure derefimpl;override;
 | |
|        end;
 | |
| 
 | |
|        { Generates an assembler label }
 | |
|        tai_label = class(tai)
 | |
|           is_global : boolean;
 | |
|           l         : tasmlabel;
 | |
|           constructor Create(_l : tasmlabel);
 | |
|           constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
 | |
|           procedure ppuwrite(ppufile:tcompilerppufile);override;
 | |
|           procedure derefimpl;override;
 | |
|        end;
 | |
| 
 | |
|        { Directly output data to final assembler file }
 | |
|        tai_direct = class(tailineinfo)
 | |
|           str : pchar;
 | |
|           constructor Create(_str : pchar);
 | |
|           destructor Destroy; override;
 | |
|           constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
 | |
|           procedure ppuwrite(ppufile:tcompilerppufile);override;
 | |
|           function getcopy:tlinkedlistitem;override;
 | |
|        end;
 | |
| 
 | |
|        { Generates an assembler comment }
 | |
|        tai_comment = class(tai)
 | |
|           str : pchar;
 | |
|           constructor Create(_str : pchar);
 | |
|           destructor Destroy; override;
 | |
|           constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
 | |
|           procedure ppuwrite(ppufile:tcompilerppufile);override;
 | |
|           function getcopy:tlinkedlistitem;override;
 | |
|        end;
 | |
| 
 | |
| 
 | |
|        { Generates a section / segment directive }
 | |
|        tai_section = class(tai)
 | |
|           sec : TSection;
 | |
|           constructor Create(s : TSection);
 | |
|           constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
 | |
|           procedure ppuwrite(ppufile:tcompilerppufile);override;
 | |
|        end;
 | |
| 
 | |
| 
 | |
|        { Generates an uninitializised data block }
 | |
|        tai_datablock = class(tailineinfo)
 | |
|           is_global : boolean;
 | |
|           sym       : tasmsymbol;
 | |
|           size      : longint;
 | |
|           constructor Create(const _name : string;_size : longint);
 | |
|           constructor Create_global(const _name : string;_size : longint);
 | |
|           constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
 | |
|           procedure ppuwrite(ppufile:tcompilerppufile);override;
 | |
|           procedure derefimpl;override;
 | |
|        end;
 | |
| 
 | |
| 
 | |
|        { Generates a long integer (32 bit) }
 | |
|        tai_const = class(tai)
 | |
|           value : longint;
 | |
|           constructor Create_32bit(_value : longint);
 | |
|           constructor Create_16bit(_value : word);
 | |
|           constructor Create_8bit(_value : byte);
 | |
|           constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
 | |
|           procedure ppuwrite(ppufile:tcompilerppufile);override;
 | |
|        end;
 | |
| 
 | |
|        tai_const_symbol = class(tailineinfo)
 | |
|           sym    : tasmsymbol;
 | |
|           offset : longint;
 | |
|           constructor Create(_sym:tasmsymbol);
 | |
|           constructor Create_offset(_sym:tasmsymbol;ofs:longint);
 | |
|           constructor Create_rva(_sym:tasmsymbol);
 | |
|           constructor Createname(const name:string);
 | |
|           constructor Createname_offset(const name:string;ofs:longint);
 | |
|           constructor Createname_rva(const name:string);
 | |
|           constructor Createdataname(const name:string);
 | |
|           constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
 | |
|           procedure ppuwrite(ppufile:tcompilerppufile);override;
 | |
|           procedure derefimpl;override;
 | |
|           function getcopy:tlinkedlistitem;override;
 | |
|        end;
 | |
| 
 | |
|        { Generates a single float (32 bit real) }
 | |
|        tai_real_32bit = class(tai)
 | |
|           value : ts32real;
 | |
|           constructor Create(_value : ts32real);
 | |
|           constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
 | |
|           procedure ppuwrite(ppufile:tcompilerppufile);override;
 | |
|        end;
 | |
| 
 | |
|        { Generates a double float (64 bit real) }
 | |
|        tai_real_64bit = class(tai)
 | |
|           value : ts64real;
 | |
|           constructor Create(_value : ts64real);
 | |
|           constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
 | |
|           procedure ppuwrite(ppufile:tcompilerppufile);override;
 | |
|        end;
 | |
| 
 | |
|        { Generates an extended float (80 bit real) }
 | |
|        tai_real_80bit = class(tai)
 | |
|           value : ts80real;
 | |
|           constructor Create(_value : ts80real);
 | |
|           constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
 | |
|           procedure ppuwrite(ppufile:tcompilerppufile);override;
 | |
|        end;
 | |
| 
 | |
|        { Generates an extended float (128 bit real) }
 | |
|        tai_real_128bit = class(tai)
 | |
|           value : ts128real;
 | |
|           constructor Create(_value : ts80real);
 | |
|           constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
 | |
|           procedure ppuwrite(ppufile:tcompilerppufile);override;
 | |
|        end;
 | |
| 
 | |
|        { Generates a comp int (integer over 64 bits)
 | |
| 
 | |
|           This is Intel 80x86 specific, and is not
 | |
|           really supported on other processors.
 | |
|        }
 | |
|        tai_comp_64bit = class(tai)
 | |
|           value : ts64comp;
 | |
|           constructor Create(_value : ts64comp);
 | |
|           constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
 | |
|           procedure ppuwrite(ppufile:tcompilerppufile);override;
 | |
|        end;
 | |
| 
 | |
|        { Insert a cut to split assembler into several smaller files }
 | |
|        tai_cut = class(tai)
 | |
|           place : tcutplace;
 | |
|           constructor Create;
 | |
|           constructor Create_begin;
 | |
|           constructor Create_end;
 | |
|           constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
 | |
|           procedure ppuwrite(ppufile:tcompilerppufile);override;
 | |
|        end;
 | |
| 
 | |
|        { Insert a marker for assembler and inline blocks }
 | |
|        tai_marker = class(tai)
 | |
|           Kind: TMarker;
 | |
|           Constructor Create(_Kind: TMarker);
 | |
|           constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
 | |
|           procedure ppuwrite(ppufile:tcompilerppufile);override;
 | |
|        end;
 | |
| 
 | |
|        tai_tempalloc = class(tai)
 | |
|           allocation : boolean;
 | |
| {$ifdef EXTDEBUG}
 | |
|           problem : pstring;
 | |
| {$endif EXTDEBUG}
 | |
|           temppos,
 | |
|           tempsize   : longint;
 | |
|           constructor alloc(pos,size:longint);
 | |
|           constructor dealloc(pos,size:longint);
 | |
| {$ifdef EXTDEBUG}
 | |
|           constructor allocinfo(pos,size:longint;const st:string);
 | |
| {$endif EXTDEBUG}
 | |
|           constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
 | |
|           destructor destroy;override;
 | |
|           procedure ppuwrite(ppufile:tcompilerppufile);override;
 | |
|        end;
 | |
| 
 | |
|        tai_regalloc = class(tai)
 | |
|           allocation : boolean;
 | |
|           reg        : tregister;
 | |
|           constructor alloc(r : tregister);
 | |
|           constructor dealloc(r : tregister);
 | |
|           constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
 | |
|           procedure ppuwrite(ppufile:tcompilerppufile);override;
 | |
|        end;
 | |
| 
 | |
|       Taasmoutput=class;
 | |
| 
 | |
|       Trggetproc=procedure(list:Taasmoutput;position:Tai;subreg:Tsubregister;var result:Tregister) of object;
 | |
|       Trgungetproc=procedure(list:Taasmoutput;position:Tai;r:Tregister) of object;
 | |
| 
 | |
|        { Class template for assembler instructions
 | |
|        }
 | |
|        taicpu_abstract = class(tailineinfo)
 | |
|        protected
 | |
|           procedure ppuloadoper(ppufile:tcompilerppufile;var o:toper);virtual;abstract;
 | |
|           procedure ppuwriteoper(ppufile:tcompilerppufile;const o:toper);virtual;abstract;
 | |
|           procedure ppubuildderefimploper(var o:toper);virtual;abstract;
 | |
|           procedure ppuderefoper(var o:toper);virtual;abstract;
 | |
|        public
 | |
|           { Condition flags for instruction }
 | |
|           condition : TAsmCond;
 | |
|           { Number of operands to instruction }
 | |
|           ops       : byte;
 | |
|           { Number of allocate oper structures }
 | |
|           opercnt   : byte;
 | |
|           { Operands of instruction }
 | |
|           oper      : array[0..max_operands-1] of poper;
 | |
|           { Actual opcode of instruction }
 | |
|           opcode    : tasmop;
 | |
| {$ifdef x86}
 | |
|           segprefix : tregister;
 | |
| {$endif x86}
 | |
|           { true if instruction is a jmp }
 | |
|           is_jmp    : boolean; { is this instruction a jump? (needed for optimizer) }
 | |
|           Constructor Create(op : tasmop);
 | |
|           Destructor Destroy;override;
 | |
|           function getcopy:TLinkedListItem;override;
 | |
|           constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
 | |
|           procedure ppuwrite(ppufile:tcompilerppufile);override;
 | |
|           procedure buildderefimpl;override;
 | |
|           procedure derefimpl;override;
 | |
|           procedure SetCondition(const c:TAsmCond);
 | |
|           procedure allocate_oper(opers:longint);
 | |
|           procedure loadconst(opidx:longint;l:aword);
 | |
|           procedure loadsymbol(opidx:longint;s:tasmsymbol;sofs:longint);
 | |
|           procedure loadlocal(opidx:longint;s:pointer;sofs:longint;indexreg:tregister;scale:byte;getoffset:boolean);
 | |
|           procedure loadref(opidx:longint;const r:treference);
 | |
|           procedure loadreg(opidx:longint;r:tregister);
 | |
|           procedure loadoper(opidx:longint;o:toper);
 | |
|           procedure clearop(opidx:longint);
 | |
|           function is_nop:boolean;virtual;abstract;
 | |
|           function is_move:boolean;virtual;abstract;
 | |
|           { register allocator }
 | |
|           function get_insert_pos(p:Tai;huntfor1,huntfor2,huntfor3:Tsuperregister;var unusedregsint:tsuperregisterset):Tai;
 | |
|           procedure forward_allocation(p:Tai;var unusedregsint:tsuperregisterset);
 | |
|           function spill_registers(list:Taasmoutput;
 | |
|                                    rgget:Trggetproc;
 | |
|                                    rgunget:Trgungetproc;
 | |
|                                    const r:tsuperregisterset;
 | |
|                                    var unusedregsint:tsuperregisterset;
 | |
|                                    const spilltemplist:Tspill_temp_list):boolean;virtual;
 | |
|           function spilling_decode_loadstore(op: tasmop; var counterpart: tasmop; var wasload: boolean): boolean;virtual;abstract;
 | |
|           function spilling_create_loadstore(op: tasmop; r:tregister; const ref:treference): tai;virtual;abstract;
 | |
|           function spilling_create_load(const ref:treference;r:tregister): tai;virtual;abstract;
 | |
|           function spilling_create_store(r:tregister; const ref:treference): tai;virtual;abstract;
 | |
|        end;
 | |
| 
 | |
|        { alignment for operator }
 | |
|        tai_align_abstract = class(tai)
 | |
|           aligntype : byte;   { 1 = no align, 2 = word align, 4 = dword align }
 | |
|           fillsize  : byte;   { real size to fill }
 | |
|           fillop    : byte;   { value to fill with - optional }
 | |
|           use_op    : boolean;
 | |
|           constructor Create(b:byte);
 | |
|           constructor Create_op(b: byte; _op: byte);
 | |
|           constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
 | |
|           procedure ppuwrite(ppufile:tcompilerppufile);override;
 | |
|           function calculatefillbuf(var buf : tfillbuffer):pchar;virtual;
 | |
|        end;
 | |
| 
 | |
|        taasmoutput = class(tlinkedlist)
 | |
|           constructor create;
 | |
|           function getlasttaifilepos : pfileposinfo;
 | |
|           procedure InsertAfter(Item,Loc : TLinkedListItem);
 | |
|        end;
 | |
| 
 | |
| 
 | |
|     var
 | |
|       { array with all class types for tais }
 | |
|       aiclass : taiclassarray;
 | |
| 
 | |
|       { Current expression list }
 | |
|       exprasmlist : taasmoutput;
 | |
| 
 | |
|       { labels for BREAK and CONTINUE }
 | |
|       aktbreaklabel,aktcontinuelabel : tasmlabel;
 | |
| 
 | |
|       { label when the result is true or false }
 | |
|       truelabel,falselabel : tasmlabel;
 | |
| 
 | |
|       { default lists }
 | |
|       datasegment,codesegment,bsssegment,
 | |
|       debuglist,withdebuglist,consts,
 | |
|       importssection,exportssection,
 | |
|       resourcesection,rttilist,
 | |
|       resourcestringlist         : taasmoutput;
 | |
| 
 | |
|     function ppuloadai(ppufile:tcompilerppufile):tai;
 | |
|     procedure ppuwriteai(ppufile:tcompilerppufile;n:tai);
 | |
| 
 | |
| 
 | |
| implementation
 | |
| 
 | |
|     uses
 | |
| {$ifdef delphi}
 | |
|       sysutils,
 | |
| {$else}
 | |
|       strings,
 | |
| {$endif}
 | |
|       verbose;
 | |
| 
 | |
|     const
 | |
|       pputaimarker = 254;
 | |
| 
 | |
| 
 | |
| {****************************************************************************
 | |
|                                  Helpers
 | |
|  ****************************************************************************}
 | |
| 
 | |
|     function ppuloadai(ppufile:tcompilerppufile):tai;
 | |
|       var
 | |
|         b : byte;
 | |
|         t : taitype;
 | |
|       begin
 | |
|         { marker }
 | |
|         b:=ppufile.getbyte;
 | |
|         if b<>pputaimarker then
 | |
|           internalerror(200208181);
 | |
|         { load nodetype }
 | |
|         t:=taitype(ppufile.getbyte);
 | |
|         if t<>ait_none then
 | |
|          begin
 | |
|            if t>high(taitype) then
 | |
|              internalerror(200208182);
 | |
|            if not assigned(aiclass[t]) then
 | |
|              internalerror(200208183);
 | |
|            {writeln('taiload: ',taitypestr[t]);}
 | |
|            { generate tai of the correct class }
 | |
|            ppuloadai:=aiclass[t].ppuload(t,ppufile);
 | |
|          end
 | |
|         else
 | |
|          ppuloadai:=nil;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure ppuwriteai(ppufile:tcompilerppufile;n:tai);
 | |
|       begin
 | |
|         { marker, read by ppuloadnode }
 | |
|         ppufile.putbyte(pputaimarker);
 | |
|         if assigned(n) then
 | |
|          begin
 | |
|            { type, read by ppuloadnode }
 | |
|            ppufile.putbyte(byte(n.typ));
 | |
|            {writeln('taiwrite: ',taitypestr[n.typ]);}
 | |
|            n.ppuwrite(ppufile);
 | |
|          end
 | |
|         else
 | |
|          ppufile.putbyte(byte(ait_none));
 | |
|       end;
 | |
| 
 | |
| 
 | |
| {****************************************************************************
 | |
|                              TAI
 | |
|  ****************************************************************************}
 | |
| 
 | |
|     constructor tai.Create;
 | |
|       begin
 | |
| {$ifndef NOOPT}
 | |
|         optinfo:=nil;
 | |
| {$endif NOOPT}
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     constructor tai.ppuload(t:taitype;ppufile:tcompilerppufile);
 | |
|       begin
 | |
|         typ:=t;
 | |
| {$ifndef NOOPT}
 | |
|         optinfo:=nil;
 | |
| {$endif}
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure tai.ppuwrite(ppufile:tcompilerppufile);
 | |
|       begin
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure tai.buildderefimpl;
 | |
|       begin
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure tai.derefimpl;
 | |
|       begin
 | |
|       end;
 | |
| 
 | |
| 
 | |
| {****************************************************************************
 | |
|                               TAILINEINFO
 | |
|  ****************************************************************************}
 | |
| 
 | |
|     constructor tailineinfo.create;
 | |
|      begin
 | |
|        inherited create;
 | |
|        fileinfo:=aktfilepos;
 | |
|      end;
 | |
| 
 | |
| 
 | |
|     constructor tailineinfo.ppuload(t:taitype;ppufile:tcompilerppufile);
 | |
|       begin
 | |
|         inherited ppuload(t,ppufile);
 | |
|         ppufile.getposinfo(fileinfo);
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure tailineinfo.ppuwrite(ppufile:tcompilerppufile);
 | |
|       begin
 | |
|         inherited ppuwrite(ppufile);
 | |
|         ppufile.putposinfo(fileinfo);
 | |
|       end;
 | |
| 
 | |
| 
 | |
| {****************************************************************************
 | |
|                              TAI_SECTION
 | |
|  ****************************************************************************}
 | |
| 
 | |
|     constructor tai_section.Create(s : TSection);
 | |
|       begin
 | |
|          inherited Create;
 | |
|          typ:=ait_section;
 | |
|          sec:=s;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     constructor tai_section.ppuload(t:taitype;ppufile:tcompilerppufile);
 | |
|       begin
 | |
|         inherited ppuload(t,ppufile);
 | |
|         sec:=tsection(ppufile.getbyte);
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure tai_section.ppuwrite(ppufile:tcompilerppufile);
 | |
|       begin
 | |
|         inherited ppuwrite(ppufile);
 | |
|         ppufile.putbyte(byte(sec));
 | |
|       end;
 | |
| 
 | |
| 
 | |
| {****************************************************************************
 | |
|                              TAI_DATABLOCK
 | |
|  ****************************************************************************}
 | |
| 
 | |
|     constructor tai_datablock.Create(const _name : string;_size : longint);
 | |
| 
 | |
|       begin
 | |
|          inherited Create;
 | |
|          typ:=ait_datablock;
 | |
|          sym:=objectlibrary.newasmsymboltype(_name,AB_LOCAL,AT_DATA);
 | |
|          { keep things aligned }
 | |
|          if _size<=0 then
 | |
|            _size:=4;
 | |
|          size:=_size;
 | |
|          is_global:=false;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     constructor tai_datablock.Create_global(const _name : string;_size : longint);
 | |
|       begin
 | |
|          inherited Create;
 | |
|          typ:=ait_datablock;
 | |
|          sym:=objectlibrary.newasmsymboltype(_name,AB_GLOBAL,AT_DATA);
 | |
|          { keep things aligned }
 | |
|          if _size<=0 then
 | |
|            _size:=4;
 | |
|          size:=_size;
 | |
|          is_global:=true;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     constructor tai_datablock.ppuload(t:taitype;ppufile:tcompilerppufile);
 | |
|       begin
 | |
|         inherited Create;
 | |
|         sym:=ppufile.getasmsymbol;
 | |
|         size:=ppufile.getlongint;
 | |
|         is_global:=boolean(ppufile.getbyte);
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure tai_datablock.ppuwrite(ppufile:tcompilerppufile);
 | |
|       begin
 | |
|         inherited ppuwrite(ppufile);
 | |
|         ppufile.putasmsymbol(sym);
 | |
|         ppufile.putlongint(size);
 | |
|         ppufile.putbyte(byte(is_global));
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure tai_datablock.derefimpl;
 | |
|       begin
 | |
|         objectlibrary.DerefAsmsymbol(sym);
 | |
|       end;
 | |
| 
 | |
| 
 | |
| {****************************************************************************
 | |
|                                TAI_SYMBOL
 | |
|  ****************************************************************************}
 | |
| 
 | |
|     constructor tai_symbol.Create(_sym:tasmsymbol;siz:longint);
 | |
|       begin
 | |
|          inherited Create;
 | |
|          typ:=ait_symbol;
 | |
|          sym:=_sym;
 | |
|          size:=siz;
 | |
|          sym.defbind:=AB_LOCAL;
 | |
|          is_global:=false;
 | |
|       end;
 | |
| 
 | |
|     constructor tai_symbol.Create_global(_sym:tasmsymbol;siz:longint);
 | |
|       begin
 | |
|          inherited Create;
 | |
|          typ:=ait_symbol;
 | |
|          sym:=_sym;
 | |
|          size:=siz;
 | |
|          sym.defbind:=AB_GLOBAL;
 | |
|          is_global:=true;
 | |
|       end;
 | |
| 
 | |
|     constructor tai_symbol.Createname(const _name : string;siz:longint);
 | |
|       begin
 | |
|          inherited Create;
 | |
|          typ:=ait_symbol;
 | |
|          sym:=objectlibrary.newasmsymboltype(_name,AB_LOCAL,AT_FUNCTION);
 | |
|          size:=siz;
 | |
|          is_global:=false;
 | |
|       end;
 | |
| 
 | |
|     constructor tai_symbol.Createname_global(const _name : string;siz:longint);
 | |
|       begin
 | |
|          inherited Create;
 | |
|          typ:=ait_symbol;
 | |
|          sym:=objectlibrary.newasmsymboltype(_name,AB_GLOBAL,AT_FUNCTION);
 | |
|          size:=siz;
 | |
|          is_global:=true;
 | |
|       end;
 | |
| 
 | |
|     constructor tai_symbol.Createdataname(const _name : string;siz:longint);
 | |
|       begin
 | |
|          inherited Create;
 | |
|          typ:=ait_symbol;
 | |
|          sym:=objectlibrary.newasmsymboltype(_name,AB_LOCAL,AT_DATA);
 | |
|          size:=siz;
 | |
|          is_global:=false;
 | |
|       end;
 | |
| 
 | |
|     constructor tai_symbol.Createdataname_global(const _name : string;siz:longint);
 | |
|       begin
 | |
|          inherited Create;
 | |
|          typ:=ait_symbol;
 | |
|          sym:=objectlibrary.newasmsymboltype(_name,AB_GLOBAL,AT_DATA);
 | |
|          size:=siz;
 | |
|          is_global:=true;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     constructor tai_symbol.ppuload(t:taitype;ppufile:tcompilerppufile);
 | |
|       begin
 | |
|         inherited ppuload(t,ppufile);
 | |
|         sym:=ppufile.getasmsymbol;
 | |
|         size:=ppufile.getlongint;
 | |
|         is_global:=boolean(ppufile.getbyte);
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure tai_symbol.ppuwrite(ppufile:tcompilerppufile);
 | |
|       begin
 | |
|         inherited ppuwrite(ppufile);
 | |
|         ppufile.putasmsymbol(sym);
 | |
|         ppufile.putlongint(size);
 | |
|         ppufile.putbyte(byte(is_global));
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure tai_symbol.derefimpl;
 | |
|       begin
 | |
|         objectlibrary.DerefAsmsymbol(sym);
 | |
|       end;
 | |
| 
 | |
| 
 | |
| {****************************************************************************
 | |
|                                TAI_SYMBOL
 | |
|  ****************************************************************************}
 | |
| 
 | |
|     constructor tai_symbol_end.Create(_sym:tasmsymbol);
 | |
|       begin
 | |
|          inherited Create;
 | |
|          typ:=ait_symbol_end;
 | |
|          sym:=_sym;
 | |
|       end;
 | |
| 
 | |
|     constructor tai_symbol_end.Createname(const _name : string);
 | |
|       begin
 | |
|          inherited Create;
 | |
|          typ:=ait_symbol_end;
 | |
|          sym:=objectlibrary.newasmsymboltype(_name,AB_GLOBAL,AT_NONE);
 | |
|       end;
 | |
| 
 | |
|     constructor tai_symbol_end.ppuload(t:taitype;ppufile:tcompilerppufile);
 | |
|       begin
 | |
|         inherited ppuload(t,ppufile);
 | |
|         sym:=ppufile.getasmsymbol;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure tai_symbol_end.ppuwrite(ppufile:tcompilerppufile);
 | |
|       begin
 | |
|         inherited ppuwrite(ppufile);
 | |
|         ppufile.putasmsymbol(sym);
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure tai_symbol_end.derefimpl;
 | |
|       begin
 | |
|         objectlibrary.DerefAsmsymbol(sym);
 | |
|       end;
 | |
| 
 | |
| 
 | |
| {****************************************************************************
 | |
|                                TAI_CONST
 | |
|  ****************************************************************************}
 | |
| 
 | |
|     constructor tai_const.Create_32bit(_value : longint);
 | |
| 
 | |
|       begin
 | |
|          inherited Create;
 | |
|          typ:=ait_const_32bit;
 | |
|          value:=_value;
 | |
|       end;
 | |
| 
 | |
|     constructor tai_const.Create_16bit(_value : word);
 | |
| 
 | |
|       begin
 | |
|          inherited Create;
 | |
|          typ:=ait_const_16bit;
 | |
|          value:=_value;
 | |
|       end;
 | |
| 
 | |
|     constructor tai_const.Create_8bit(_value : byte);
 | |
| 
 | |
|       begin
 | |
|          inherited Create;
 | |
|          typ:=ait_const_8bit;
 | |
|          value:=_value;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     constructor tai_const.ppuload(t:taitype;ppufile:tcompilerppufile);
 | |
|       begin
 | |
|         inherited ppuload(t,ppufile);
 | |
|         value:=ppufile.getlongint;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure tai_const.ppuwrite(ppufile:tcompilerppufile);
 | |
|       begin
 | |
|         inherited ppuwrite(ppufile);
 | |
|         ppufile.putlongint(value);
 | |
|       end;
 | |
| 
 | |
| 
 | |
| {****************************************************************************
 | |
|                                TAI_CONST_SYMBOL
 | |
|  ****************************************************************************}
 | |
| 
 | |
|     constructor tai_const_symbol.Create(_sym:tasmsymbol);
 | |
|       begin
 | |
|          inherited Create;
 | |
|          typ:=ait_const_symbol;
 | |
|          sym:=_sym;
 | |
|          offset:=0;
 | |
|          { update sym info }
 | |
|          sym.increfs;
 | |
|       end;
 | |
| 
 | |
|     constructor tai_const_symbol.Create_offset(_sym:tasmsymbol;ofs:longint);
 | |
|       begin
 | |
|          inherited Create;
 | |
|          typ:=ait_const_symbol;
 | |
|          sym:=_sym;
 | |
|          offset:=ofs;
 | |
|          { update sym info }
 | |
|          sym.increfs;
 | |
|       end;
 | |
| 
 | |
|     constructor tai_const_symbol.Create_rva(_sym:tasmsymbol);
 | |
|       begin
 | |
|          inherited Create;
 | |
|          typ:=ait_const_rva;
 | |
|          sym:=_sym;
 | |
|          offset:=0;
 | |
|          { update sym info }
 | |
|          sym.increfs;
 | |
|       end;
 | |
| 
 | |
|     constructor tai_const_symbol.Createname(const name:string);
 | |
|       begin
 | |
|          inherited Create;
 | |
|          typ:=ait_const_symbol;
 | |
|          sym:=objectlibrary.newasmsymbol(name);
 | |
|          offset:=0;
 | |
|          { update sym info }
 | |
|          sym.increfs;
 | |
|       end;
 | |
| 
 | |
|     constructor tai_const_symbol.Createname_offset(const name:string;ofs:longint);
 | |
|       begin
 | |
|          inherited Create;
 | |
|          typ:=ait_const_symbol;
 | |
|          sym:=objectlibrary.newasmsymbol(name);
 | |
|          offset:=ofs;
 | |
|          { update sym info }
 | |
|          sym.increfs;
 | |
|       end;
 | |
| 
 | |
|     constructor tai_const_symbol.Createname_rva(const name:string);
 | |
|       begin
 | |
|          inherited Create;
 | |
|          typ:=ait_const_rva;
 | |
|          sym:=objectlibrary.newasmsymbol(name);
 | |
|          offset:=0;
 | |
|          { update sym info }
 | |
|          sym.increfs;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     constructor tai_const_symbol.Createdataname(const name:string);
 | |
|       begin
 | |
|          inherited Create;
 | |
|          typ:=ait_const_symbol;
 | |
|          sym:=objectlibrary.newasmsymboltype(name,AB_EXTERNAL,AT_DATA);
 | |
|          offset:=0;
 | |
|          { update sym info }
 | |
|          sym.increfs;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     constructor tai_const_symbol.ppuload(t:taitype;ppufile:tcompilerppufile);
 | |
|       begin
 | |
|         inherited ppuload(t,ppufile);
 | |
|         sym:=ppufile.getasmsymbol;
 | |
|         offset:=ppufile.getlongint;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure tai_const_symbol.ppuwrite(ppufile:tcompilerppufile);
 | |
|       begin
 | |
|         inherited ppuwrite(ppufile);
 | |
|         ppufile.putasmsymbol(sym);
 | |
|         ppufile.putlongint(offset);
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure tai_const_symbol.derefimpl;
 | |
|       begin
 | |
|         objectlibrary.DerefAsmsymbol(sym);
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     function tai_const_symbol.getcopy:tlinkedlistitem;
 | |
|       begin
 | |
|         getcopy:=inherited getcopy;
 | |
|         { we need to increase the reference number }
 | |
|         sym.increfs;
 | |
|       end;
 | |
| 
 | |
| 
 | |
| {****************************************************************************
 | |
|                                TAI_real_32bit
 | |
|  ****************************************************************************}
 | |
| 
 | |
|     constructor tai_real_32bit.Create(_value : ts32real);
 | |
| 
 | |
|       begin
 | |
|          inherited Create;
 | |
|          typ:=ait_real_32bit;
 | |
|          value:=_value;
 | |
|       end;
 | |
| 
 | |
|     constructor tai_real_32bit.ppuload(t:taitype;ppufile:tcompilerppufile);
 | |
|       begin
 | |
|         inherited ppuload(t,ppufile);
 | |
|         value:=ppufile.getreal;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure tai_real_32bit.ppuwrite(ppufile:tcompilerppufile);
 | |
|       begin
 | |
|         inherited ppuwrite(ppufile);
 | |
|         ppufile.putreal(value);
 | |
|       end;
 | |
| 
 | |
| 
 | |
| {****************************************************************************
 | |
|                                TAI_real_64bit
 | |
|  ****************************************************************************}
 | |
| 
 | |
|     constructor tai_real_64bit.Create(_value : ts64real);
 | |
| 
 | |
|       begin
 | |
|          inherited Create;
 | |
|          typ:=ait_real_64bit;
 | |
|          value:=_value;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     constructor tai_real_64bit.ppuload(t:taitype;ppufile:tcompilerppufile);
 | |
|       begin
 | |
|         inherited ppuload(t,ppufile);
 | |
|         value:=ppufile.getreal;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure tai_real_64bit.ppuwrite(ppufile:tcompilerppufile);
 | |
|       begin
 | |
|         inherited ppuwrite(ppufile);
 | |
|         ppufile.putreal(value);
 | |
|       end;
 | |
| 
 | |
| 
 | |
| {****************************************************************************
 | |
|                                TAI_real_80bit
 | |
|  ****************************************************************************}
 | |
| 
 | |
|     constructor tai_real_80bit.Create(_value : ts80real);
 | |
| 
 | |
|       begin
 | |
|          inherited Create;
 | |
|          typ:=ait_real_80bit;
 | |
|          value:=_value;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     constructor tai_real_80bit.ppuload(t:taitype;ppufile:tcompilerppufile);
 | |
|       begin
 | |
|         inherited ppuload(t,ppufile);
 | |
|         value:=ppufile.getreal;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure tai_real_80bit.ppuwrite(ppufile:tcompilerppufile);
 | |
|       begin
 | |
|         inherited ppuwrite(ppufile);
 | |
|         ppufile.putreal(value);
 | |
|       end;
 | |
| 
 | |
| 
 | |
| {****************************************************************************
 | |
|                                TAI_real_80bit
 | |
|  ****************************************************************************}
 | |
| 
 | |
|     constructor tai_real_128bit.Create(_value : ts128real);
 | |
| 
 | |
|       begin
 | |
|          inherited Create;
 | |
|          typ:=ait_real_128bit;
 | |
|          value:=_value;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     constructor tai_real_128bit.ppuload(t:taitype;ppufile:tcompilerppufile);
 | |
|       begin
 | |
|         inherited ppuload(t,ppufile);
 | |
|         value:=ppufile.getreal;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure tai_real_128bit.ppuwrite(ppufile:tcompilerppufile);
 | |
|       begin
 | |
|         inherited ppuwrite(ppufile);
 | |
|         ppufile.putreal(value);
 | |
|       end;
 | |
| 
 | |
| 
 | |
| {****************************************************************************
 | |
|                                Tai_comp_64bit
 | |
|  ****************************************************************************}
 | |
| 
 | |
|     constructor tai_comp_64bit.Create(_value : ts64comp);
 | |
| 
 | |
|       begin
 | |
|          inherited Create;
 | |
|          typ:=ait_comp_64bit;
 | |
|          value:=_value;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     constructor tai_comp_64bit.ppuload(t:taitype;ppufile:tcompilerppufile);
 | |
|       begin
 | |
|         inherited ppuload(t,ppufile);
 | |
|         ppufile.putdata(value,sizeof(value));
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure tai_comp_64bit.ppuwrite(ppufile:tcompilerppufile);
 | |
|       begin
 | |
|         inherited ppuwrite(ppufile);
 | |
|         ppufile.getdata(value,sizeof(value));
 | |
|       end;
 | |
| 
 | |
| 
 | |
| {****************************************************************************
 | |
|                                TAI_STRING
 | |
|  ****************************************************************************}
 | |
| 
 | |
|      constructor tai_string.Create(const _str : string);
 | |
| 
 | |
|        begin
 | |
|           inherited Create;
 | |
|           typ:=ait_string;
 | |
|           len:=length(_str);
 | |
|           getmem(str,len+1);
 | |
|           strpcopy(str,_str);
 | |
|        end;
 | |
| 
 | |
|      constructor tai_string.Create_pchar(_str : pchar);
 | |
| 
 | |
|        begin
 | |
|           inherited Create;
 | |
|           typ:=ait_string;
 | |
|           str:=_str;
 | |
|           len:=strlen(_str);
 | |
|        end;
 | |
| 
 | |
|     constructor tai_string.Create_length_pchar(_str : pchar;length : longint);
 | |
| 
 | |
|        begin
 | |
|           inherited Create;
 | |
|           typ:=ait_string;
 | |
|           str:=_str;
 | |
|           len:=length;
 | |
|        end;
 | |
| 
 | |
|     destructor tai_string.destroy;
 | |
| 
 | |
|       begin
 | |
|          { you can have #0 inside the strings so }
 | |
|          if str<>nil then
 | |
|            freemem(str,len+1);
 | |
|          inherited Destroy;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     constructor tai_string.ppuload(t:taitype;ppufile:tcompilerppufile);
 | |
|       begin
 | |
|         inherited ppuload(t,ppufile);
 | |
|         len:=ppufile.getlongint;
 | |
|         getmem(str,len+1);
 | |
|         ppufile.getdata(str^,len);
 | |
|         str[len]:=#0;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure tai_string.ppuwrite(ppufile:tcompilerppufile);
 | |
|       begin
 | |
|         inherited ppuwrite(ppufile);
 | |
|         ppufile.putlongint(len);
 | |
|         ppufile.putdata(str^,len);
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     function tai_string.getcopy : tlinkedlistitem;
 | |
|       var
 | |
|         p : tlinkedlistitem;
 | |
|       begin
 | |
|         p:=inherited getcopy;
 | |
|         getmem(tai_string(p).str,len+1);
 | |
|         move(str^,tai_string(p).str^,len+1);
 | |
|         getcopy:=p;
 | |
|       end;
 | |
| 
 | |
| 
 | |
| {****************************************************************************
 | |
|                                TAI_LABEL
 | |
|  ****************************************************************************}
 | |
| 
 | |
|     constructor tai_label.create(_l : tasmlabel);
 | |
|       begin
 | |
|         inherited Create;
 | |
|         typ:=ait_label;
 | |
|         l:=_l;
 | |
|         l.is_set:=true;
 | |
|         is_global:=(l.defbind=AB_GLOBAL);
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     constructor tai_label.ppuload(t:taitype;ppufile:tcompilerppufile);
 | |
|       begin
 | |
|         inherited ppuload(t,ppufile);
 | |
|         l:=tasmlabel(ppufile.getasmsymbol);
 | |
|         is_global:=boolean(ppufile.getbyte);
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure tai_label.ppuwrite(ppufile:tcompilerppufile);
 | |
|       begin
 | |
|         inherited ppuwrite(ppufile);
 | |
|         ppufile.putasmsymbol(l);
 | |
|         ppufile.putbyte(byte(is_global));
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure tai_label.derefimpl;
 | |
|       begin
 | |
|         objectlibrary.DerefAsmsymbol(tasmsymbol(l));
 | |
|         l.is_set:=true;
 | |
|       end;
 | |
| 
 | |
| 
 | |
| {****************************************************************************
 | |
|                               TAI_DIRECT
 | |
|  ****************************************************************************}
 | |
| 
 | |
|      constructor tai_direct.Create(_str : pchar);
 | |
| 
 | |
|        begin
 | |
|           inherited Create;
 | |
|           typ:=ait_direct;
 | |
|           str:=_str;
 | |
|        end;
 | |
| 
 | |
|     destructor tai_direct.destroy;
 | |
| 
 | |
|       begin
 | |
|          strdispose(str);
 | |
|          inherited Destroy;
 | |
|       end;
 | |
| 
 | |
|     constructor tai_direct.ppuload(t:taitype;ppufile:tcompilerppufile);
 | |
|       var
 | |
|         len : longint;
 | |
|       begin
 | |
|         inherited ppuload(t,ppufile);
 | |
|         len:=ppufile.getlongint;
 | |
|         getmem(str,len+1);
 | |
|         ppufile.getdata(str^,len);
 | |
|         str[len]:=#0;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure tai_direct.ppuwrite(ppufile:tcompilerppufile);
 | |
|       var
 | |
|         len : longint;
 | |
|       begin
 | |
|         inherited ppuwrite(ppufile);
 | |
|         len:=strlen(str);
 | |
|         ppufile.putlongint(len);
 | |
|         ppufile.putdata(str^,len);
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     function tai_direct.getcopy : tlinkedlistitem;
 | |
|       var
 | |
|         p : tlinkedlistitem;
 | |
|       begin
 | |
|         p:=inherited getcopy;
 | |
|         getmem(tai_direct(p).str,strlen(str)+1);
 | |
|         move(str^,tai_direct(p).str^,strlen(str)+1);
 | |
|         getcopy:=p;
 | |
|       end;
 | |
| 
 | |
| 
 | |
| {****************************************************************************
 | |
|           tai_comment  comment to be inserted in the assembler file
 | |
|  ****************************************************************************}
 | |
| 
 | |
|      constructor tai_comment.Create(_str : pchar);
 | |
| 
 | |
|        begin
 | |
|           inherited Create;
 | |
|           typ:=ait_comment;
 | |
|           str:=_str;
 | |
|        end;
 | |
| 
 | |
|     destructor tai_comment.destroy;
 | |
| 
 | |
|       begin
 | |
|          strdispose(str);
 | |
|          inherited Destroy;
 | |
|       end;
 | |
| 
 | |
|     constructor tai_comment.ppuload(t:taitype;ppufile:tcompilerppufile);
 | |
|       var
 | |
|         len : longint;
 | |
|       begin
 | |
|         inherited ppuload(t,ppufile);
 | |
|         len:=ppufile.getlongint;
 | |
|         getmem(str,len+1);
 | |
|         ppufile.getdata(str^,len);
 | |
|         str[len]:=#0;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure tai_comment.ppuwrite(ppufile:tcompilerppufile);
 | |
|       var
 | |
|         len : longint;
 | |
|       begin
 | |
|         inherited ppuwrite(ppufile);
 | |
|         len:=strlen(str);
 | |
|         ppufile.putlongint(len);
 | |
|         ppufile.putdata(str^,len);
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     function tai_comment.getcopy : tlinkedlistitem;
 | |
|       var
 | |
|         p : tlinkedlistitem;
 | |
|       begin
 | |
|         p:=inherited getcopy;
 | |
|         getmem(tai_comment(p).str,strlen(str)+1);
 | |
|         move(str^,tai_comment(p).str^,strlen(str)+1);
 | |
|         getcopy:=p;
 | |
|       end;
 | |
| 
 | |
| 
 | |
| {****************************************************************************
 | |
|                               TAI_CUT
 | |
|  ****************************************************************************}
 | |
| 
 | |
|      constructor tai_cut.Create;
 | |
|        begin
 | |
|           inherited Create;
 | |
|           typ:=ait_cut;
 | |
|           place:=cut_normal;
 | |
|        end;
 | |
| 
 | |
| 
 | |
|      constructor tai_cut.Create_begin;
 | |
|        begin
 | |
|           inherited Create;
 | |
|           typ:=ait_cut;
 | |
|           place:=cut_begin;
 | |
|        end;
 | |
| 
 | |
| 
 | |
|      constructor tai_cut.Create_end;
 | |
|        begin
 | |
|           inherited Create;
 | |
|           typ:=ait_cut;
 | |
|           place:=cut_end;
 | |
|        end;
 | |
| 
 | |
| 
 | |
|     constructor tai_cut.ppuload(t:taitype;ppufile:tcompilerppufile);
 | |
|       begin
 | |
|         inherited ppuload(t,ppufile);
 | |
|         place:=TCutPlace(ppufile.getbyte);
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure tai_cut.ppuwrite(ppufile:tcompilerppufile);
 | |
|       begin
 | |
|         inherited ppuwrite(ppufile);
 | |
|         ppufile.putbyte(byte(place));
 | |
|       end;
 | |
| 
 | |
| 
 | |
| {****************************************************************************
 | |
|                              Tai_Marker
 | |
|  ****************************************************************************}
 | |
| 
 | |
|     constructor Tai_Marker.Create(_Kind: TMarker);
 | |
|       begin
 | |
|         Inherited Create;
 | |
|         typ := ait_marker;
 | |
|         Kind := _Kind;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     constructor Tai_Marker.ppuload(t:taitype;ppufile:tcompilerppufile);
 | |
|       begin
 | |
|         inherited ppuload(t,ppufile);
 | |
|         kind:=TMarker(ppufile.getbyte);
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure Tai_Marker.ppuwrite(ppufile:tcompilerppufile);
 | |
|       begin
 | |
|         inherited ppuwrite(ppufile);
 | |
|         ppufile.putbyte(byte(kind));
 | |
|       end;
 | |
| 
 | |
| 
 | |
| {*****************************************************************************
 | |
|                                 tai_tempalloc
 | |
| *****************************************************************************}
 | |
| 
 | |
|     constructor tai_tempalloc.alloc(pos,size:longint);
 | |
|       begin
 | |
|         inherited Create;
 | |
|         typ:=ait_tempalloc;
 | |
|         allocation:=true;
 | |
|         temppos:=pos;
 | |
|         tempsize:=size;
 | |
| {$ifdef EXTDEBUG}
 | |
|         problem:=nil;
 | |
| {$endif EXTDEBUG}
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     destructor tai_tempalloc.destroy;
 | |
|       begin
 | |
| {$ifdef EXTDEBUG}
 | |
|         stringdispose(problem);
 | |
| {$endif EXTDEBUG}
 | |
|         inherited destroy;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     constructor tai_tempalloc.dealloc(pos,size:longint);
 | |
|       begin
 | |
|         inherited Create;
 | |
|         typ:=ait_tempalloc;
 | |
|         allocation:=false;
 | |
|         temppos:=pos;
 | |
|         tempsize:=size;
 | |
| {$ifdef EXTDEBUG}
 | |
|         problem:=nil;
 | |
| {$endif EXTDEBUG}
 | |
|       end;
 | |
| 
 | |
| 
 | |
| {$ifdef EXTDEBUG}
 | |
|     constructor tai_tempalloc.allocinfo(pos,size:longint;const st:string);
 | |
|       begin
 | |
|         inherited Create;
 | |
|         typ:=ait_tempalloc;
 | |
|         allocation:=false;
 | |
|         temppos:=pos;
 | |
|         tempsize:=size;
 | |
|         problem:=stringdup(st);
 | |
|       end;
 | |
| {$endif EXTDEBUG}
 | |
| 
 | |
| 
 | |
|     constructor tai_tempalloc.ppuload(t:taitype;ppufile:tcompilerppufile);
 | |
|       begin
 | |
|         inherited ppuload(t,ppufile);
 | |
|         temppos:=ppufile.getlongint;
 | |
|         tempsize:=ppufile.getlongint;
 | |
|         allocation:=boolean(ppufile.getbyte);
 | |
| {$ifdef EXTDEBUG}
 | |
|         problem:=nil;
 | |
| {$endif EXTDEBUG}
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure tai_tempalloc.ppuwrite(ppufile:tcompilerppufile);
 | |
|       begin
 | |
|         inherited ppuwrite(ppufile);
 | |
|         ppufile.putlongint(temppos);
 | |
|         ppufile.putlongint(tempsize);
 | |
|         ppufile.putbyte(byte(allocation));
 | |
|       end;
 | |
| 
 | |
| 
 | |
| {*****************************************************************************
 | |
|                                  tai_regalloc
 | |
| *****************************************************************************}
 | |
| 
 | |
|     constructor tai_regalloc.alloc(r : tregister);
 | |
|       begin
 | |
|         inherited create;
 | |
|         typ:=ait_regalloc;
 | |
|         allocation:=true;
 | |
|         reg:=r;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     constructor tai_regalloc.dealloc(r : tregister);
 | |
|       begin
 | |
|         inherited create;
 | |
|         typ:=ait_regalloc;
 | |
|         allocation:=false;
 | |
|         reg:=r;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     constructor tai_regalloc.ppuload(t:taitype;ppufile:tcompilerppufile);
 | |
|       begin
 | |
|         inherited ppuload(t,ppufile);
 | |
|         ppufile.getdata(reg,sizeof(Tregister));
 | |
|         allocation:=boolean(ppufile.getbyte);
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure tai_regalloc.ppuwrite(ppufile:tcompilerppufile);
 | |
|       begin
 | |
|         inherited ppuwrite(ppufile);
 | |
|         ppufile.putdata(reg,sizeof(Tregister));
 | |
|         ppufile.putbyte(byte(allocation));
 | |
|       end;
 | |
| 
 | |
| 
 | |
| {*****************************************************************************
 | |
|                                TaiInstruction
 | |
| *****************************************************************************}
 | |
| 
 | |
|     constructor taicpu_abstract.Create(op : tasmop);
 | |
| 
 | |
|       begin
 | |
|          inherited create;
 | |
|          typ:=ait_instruction;
 | |
|          is_jmp:=false;
 | |
|          opcode:=op;
 | |
|          ops:=0;
 | |
|          fillchar(condition,sizeof(condition),0);
 | |
|          fillchar(oper,sizeof(oper),0);
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     destructor taicpu_abstract.Destroy;
 | |
|       var
 | |
|         i : integer;
 | |
|       begin
 | |
|         for i:=0 to opercnt-1 do
 | |
|           begin
 | |
|             with oper[i]^ do
 | |
|               begin
 | |
|                 case typ of
 | |
|                   top_ref:
 | |
|                     dispose(ref);
 | |
| {$ifdef ARM}
 | |
|                   top_shifterop:
 | |
|                      dispose(shifterop);
 | |
| {$endif ARM}
 | |
|                 end;
 | |
|               end;
 | |
|             dispose(oper[i]);
 | |
|           end;
 | |
|         inherited destroy;
 | |
|       end;
 | |
| 
 | |
| 
 | |
| { ---------------------------------------------------------------------
 | |
|     Loading of operands.
 | |
|   ---------------------------------------------------------------------}
 | |
| 
 | |
|     procedure taicpu_abstract.allocate_oper(opers:longint);
 | |
|       begin
 | |
|         while (opers>opercnt) do
 | |
|           begin
 | |
|             new(oper[opercnt]);
 | |
|             fillchar(oper[opercnt]^,sizeof(toper),0);
 | |
|             inc(opercnt);
 | |
|           end;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure taicpu_abstract.loadconst(opidx:longint;l:aword);
 | |
|       begin
 | |
|         allocate_oper(opidx+1);
 | |
|         with oper[opidx]^ do
 | |
|          begin
 | |
|            if typ<>top_const then
 | |
|              clearop(opidx);
 | |
|            val:=l;
 | |
|            typ:=top_const;
 | |
|          end;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure taicpu_abstract.loadsymbol(opidx:longint;s:tasmsymbol;sofs:longint);
 | |
|       begin
 | |
|         if not assigned(s) then
 | |
|          internalerror(200204251);
 | |
|         allocate_oper(opidx+1);
 | |
|         with oper[opidx]^ do
 | |
|          begin
 | |
|            if typ<>top_symbol then
 | |
|              clearop(opidx);
 | |
|            sym:=s;
 | |
|            symofs:=sofs;
 | |
|            typ:=top_symbol;
 | |
|          end;
 | |
|         s.increfs;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure taicpu_abstract.loadlocal(opidx:longint;s:pointer;sofs:longint;indexreg:tregister;scale:byte;getoffset:boolean);
 | |
|       begin
 | |
|         if not assigned(s) then
 | |
|          internalerror(200204251);
 | |
|         allocate_oper(opidx+1);
 | |
|         with oper[opidx]^ do
 | |
|          begin
 | |
|            if typ<>top_local then
 | |
|              clearop(opidx);
 | |
|            localsym:=s;
 | |
|            localsymofs:=sofs;
 | |
|            localindexreg:=indexreg;
 | |
|            localscale:=scale;
 | |
|            localgetoffset:=getoffset;
 | |
|            typ:=top_local;
 | |
|          end;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure taicpu_abstract.loadref(opidx:longint;const r:treference);
 | |
|       begin
 | |
|         allocate_oper(opidx+1);
 | |
|         with oper[opidx]^ do
 | |
|           begin
 | |
|             if typ<>top_ref then
 | |
|               begin
 | |
|                 clearop(opidx);
 | |
|                 new(ref);
 | |
|               end;
 | |
| 
 | |
|             ref^:=r;
 | |
| {$ifdef i386}
 | |
|             { We allow this exception for i386, since overloading this would be
 | |
|               too much of a a speed penalty}
 | |
|             if (ref^.segment<>NR_NO) and (ref^.segment<>NR_DS) then
 | |
|               segprefix:=ref^.segment;
 | |
| {$endif}
 | |
|             typ:=top_ref;
 | |
|             { mark symbol as used }
 | |
|             if assigned(ref^.symbol) then
 | |
|               ref^.symbol.increfs;
 | |
|           end;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure taicpu_abstract.loadreg(opidx:longint;r:tregister);
 | |
|       begin
 | |
|         allocate_oper(opidx+1);
 | |
|         with oper[opidx]^ do
 | |
|          begin
 | |
|            if typ<>top_reg then
 | |
|              clearop(opidx);
 | |
|            reg:=r;
 | |
|            typ:=top_reg;
 | |
|          end;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure taicpu_abstract.loadoper(opidx:longint;o:toper);
 | |
|       begin
 | |
|         allocate_oper(opidx+1);
 | |
|         clearop(opidx);
 | |
|         oper[opidx]^:=o;
 | |
|         { copy also the reference }
 | |
|         with oper[opidx]^ do
 | |
|           begin
 | |
|             case typ of
 | |
|               top_ref:
 | |
|                 begin
 | |
|                   new(ref);
 | |
|                   ref^:=o.ref^;
 | |
|                 end;
 | |
| {$ifdef ARM}
 | |
|               top_shifterop:
 | |
|                 begin
 | |
|                   new(shifterop);
 | |
|                   shifterop^:=o.shifterop^;
 | |
|                 end;
 | |
| {$endif ARM}
 | |
|              end;
 | |
|           end;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure taicpu_abstract.clearop(opidx:longint);
 | |
|       begin
 | |
|         with oper[opidx]^ do
 | |
|           begin
 | |
|             case typ of
 | |
|               top_ref:
 | |
|                 dispose(ref);
 | |
| {$ifdef ARM}
 | |
|               top_shifterop:
 | |
|                 dispose(shifterop);
 | |
|               top_regset:
 | |
|                 dispose(regset);
 | |
| {$endif ARM}
 | |
|             end;
 | |
|             typ:=top_none;
 | |
|           end;
 | |
|       end;
 | |
| 
 | |
| 
 | |
| { ---------------------------------------------------------------------
 | |
|     Register allocator methods.
 | |
|   ---------------------------------------------------------------------}
 | |
| 
 | |
|     function taicpu_abstract.get_insert_pos(p:Tai;huntfor1,huntfor2,huntfor3:Tsuperregister;var unusedregsint:tsuperregisterset):Tai;
 | |
|       var
 | |
|         back   : tsuperregisterset;
 | |
|         supreg : tsuperregister;
 | |
|       begin
 | |
|         back:=unusedregsint;
 | |
|         get_insert_pos:=p;
 | |
|         while (p<>nil) and (p.typ=ait_regalloc) do
 | |
|           begin
 | |
|             supreg:=getsupreg(Tai_regalloc(p).reg);
 | |
|             {Rewind the register allocation.}
 | |
|             if Tai_regalloc(p).allocation then
 | |
|               supregset_include(unusedregsint,supreg)
 | |
|             else
 | |
|               begin
 | |
|                 supregset_exclude(unusedregsint,supreg);
 | |
|                 if supreg=huntfor1 then
 | |
|                   begin
 | |
|                     get_insert_pos:=Tai(p.previous);
 | |
|                     back:=unusedregsint;
 | |
|                   end;
 | |
|                 if supreg=huntfor2 then
 | |
|                   begin
 | |
|                     get_insert_pos:=Tai(p.previous);
 | |
|                     back:=unusedregsint;
 | |
|                   end;
 | |
|                 if supreg=huntfor3 then
 | |
|                   begin
 | |
|                     get_insert_pos:=Tai(p.previous);
 | |
|                     back:=unusedregsint;
 | |
|                   end;
 | |
|               end;
 | |
|             p:=Tai(p.previous);
 | |
|           end;
 | |
|         unusedregsint:=back;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure taicpu_abstract.forward_allocation(p:Tai;var unusedregsint:Tsuperregisterset);
 | |
|       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
 | |
|               supregset_exclude(unusedregsint,getsupreg(Tai_regalloc(p).reg))
 | |
|             else
 | |
|               supregset_include(unusedregsint,getsupreg(Tai_regalloc(p).reg));
 | |
|             p:=Tai(p.next);
 | |
|           end;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     function taicpu_abstract.spill_registers(list:Taasmoutput;
 | |
|                              rgget:Trggetproc;
 | |
|                              rgunget:Trgungetproc;
 | |
|                              const r:Tsuperregisterset;
 | |
|                              var unusedregsint:Tsuperregisterset;
 | |
|                              const spilltemplist:Tspill_temp_list): boolean;
 | |
|       var
 | |
|         supreg, reg1, reg2, reg3: Tsuperregister;
 | |
|         helpreg:Tregister;
 | |
|         helpins:Tai;
 | |
|         op:Tasmop;
 | |
|         pos:Tai;
 | |
|       procedure DoSpill2RegInstructions;
 | |
|         var
 | |
|           wasload: boolean;
 | |
|         begin
 | |
|           { oper[1] can also be ref in case of "lis r3,symbol@ha" or so }
 | |
|           if not((oper[1]^.typ=top_ref) and
 | |
|              spilling_decode_loadstore(opcode,op,wasload)) then
 | |
|             Exit;
 | |
|           { the register that's being stored/loaded }
 | |
|           supreg:=getsupreg(oper[0]^.reg);
 | |
|           if supregset_in(r,supreg) 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),supreg,
 | |
|                                     getsupreg(oper[1]^.ref^.base),
 | |
|                                     getsupreg(oper[1]^.ref^.index),
 | |
|                                     unusedregsint);
 | |
|               rgget(list,pos,R_SUBWHOLE,helpreg);
 | |
|               spill_registers := true;
 | |
|               if wasload then
 | |
|                 begin
 | |
|                   helpins:=spilling_create_loadstore(opcode,helpreg,oper[1]^.ref^);
 | |
|                   loadref(1,spilltemplist[supreg]);
 | |
|                   opcode := op;
 | |
|                 end
 | |
|               else
 | |
|                 helpins:=spilling_create_loadstore(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),unusedregsint);
 | |
| {             list.insertafter(tai_comment.Create(strpnew('Spilling!')),helpins);}
 | |
|             end;
 | |
| 
 | |
|           { now the registers used in the reference }
 | |
|           { a) base                                 }
 | |
|           supreg := getsupreg(oper[1]^.ref^.base);
 | |
|           if supregset_in(r,supreg) then
 | |
|             begin
 | |
|               if wasload then
 | |
|                 pos:=get_insert_pos(Tai(previous),getsupreg(oper[1]^.ref^.index),getsupreg(oper[0]^.reg),0,unusedregsint)
 | |
|               else
 | |
|                 pos:=get_insert_pos(Tai(previous),getsupreg(oper[1]^.ref^.index),0,0,unusedregsint);
 | |
|               rgget(list,pos,R_SUBWHOLE,helpreg);
 | |
|               spill_registers:=true;
 | |
|               helpins:=spilling_create_load(spilltemplist[supreg],helpreg);
 | |
|               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),unusedregsint);
 | |
| {             list.insertafter(tai_comment.Create(strpnew('Spilling!')),helpins);}
 | |
|             end;
 | |
| 
 | |
|           { b) index }
 | |
|           supreg := getsupreg(oper[1]^.ref^.index);
 | |
|           if supregset_in(r,supreg) then
 | |
|             begin
 | |
|               if wasload then
 | |
|                 pos:=get_insert_pos(Tai(previous),getsupreg(oper[1]^.ref^.base),getsupreg(oper[0]^.reg),0,unusedregsint)
 | |
|               else
 | |
|                 pos:=get_insert_pos(Tai(previous),getsupreg(oper[1]^.ref^.base),0,0,unusedregsint);
 | |
|               rgget(list,pos,R_SUBWHOLE,helpreg);
 | |
|               spill_registers:=true;
 | |
|               helpins:=spilling_create_load(spilltemplist[supreg],helpreg);
 | |
|               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),unusedregsint);
 | |
| {             list.insertafter(tai_comment.Create(strpnew('Spilling!')),helpins);}
 | |
|             end;
 | |
|           end;
 | |
| 
 | |
|       procedure DoSpill3RegInstructions;
 | |
|         var
 | |
|           i:byte;
 | |
|         begin
 | |
|           if oper[0]^.typ <> top_reg then
 | |
|             Exit;
 | |
|           reg1 := getsupreg(oper[0]^.reg);
 | |
|           if oper[1]^.typ = top_reg then
 | |
|             reg2 := getsupreg(oper[1]^.reg)
 | |
|           else
 | |
|             reg2 := 0;
 | |
|           if (ops >= 3) and
 | |
|              (oper[2]^.typ = top_reg) then
 | |
|             reg3 := getsupreg(oper[2]^.reg)
 | |
|           else
 | |
|             reg3 := 0;
 | |
| 
 | |
|           supreg:=reg1;
 | |
|           if supregset_in(r,supreg) 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,unusedregsint);
 | |
|               rgget(list,pos,R_SUBWHOLE,helpreg);
 | |
|               spill_registers := true;
 | |
|               helpins:=spilling_create_store(helpreg,spilltemplist[supreg]);
 | |
|               list.insertafter(helpins,self);
 | |
|               helpins:=spilling_create_load(spilltemplist[supreg],helpreg);
 | |
|               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),unusedregsint);
 | |
| {             list.insertafter(tai_comment.Create(strpnew('Spilling!')),helpins);}
 | |
|             end;
 | |
| 
 | |
|           for i := 1 to 2 do
 | |
|             if (oper[i]^.typ = top_reg) then
 | |
|               begin
 | |
|                 supreg:=getsupreg(oper[i]^.reg);
 | |
|                 if supregset_in(r,supreg) 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,unusedregsint);
 | |
|                     rgget(list,pos,R_SUBWHOLE,helpreg);
 | |
|                     spill_registers := true;
 | |
|                     helpins:=spilling_create_load(spilltemplist[supreg],helpreg);
 | |
|                     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),unusedregsint);
 | |
| {                   list.insertafter(tai_comment.Create(strpnew('Spilling!')),helpins);}
 | |
|                   end;
 | |
|               end;
 | |
|         end;
 | |
|       begin
 | |
|         spill_registers:=false;
 | |
|         case ops of
 | |
|           0,1:
 | |
|            {Mazen : Do no thing like in a delay slot for sparc : nop;};
 | |
|           2:
 | |
|             DoSpill2RegInstructions;
 | |
|           else
 | |
|         {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)                }
 | |
|             DoSpill3RegInstructions;
 | |
|         end;
 | |
|       end;
 | |
| 
 | |
| 
 | |
| { ---------------------------------------------------------------------
 | |
|     Miscellaneous methods.
 | |
|   ---------------------------------------------------------------------}
 | |
| 
 | |
|     procedure taicpu_abstract.SetCondition(const c:TAsmCond);
 | |
|       begin
 | |
|          condition:=c;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     Function taicpu_abstract.getcopy:TLinkedListItem;
 | |
|       var
 | |
|         i : longint;
 | |
|         p : taicpu_abstract;
 | |
|       begin
 | |
|         p:=taicpu_abstract(inherited getcopy);
 | |
|         { make a copy of the references }
 | |
|         p.opercnt:=0;
 | |
|         p.allocate_oper(ops);
 | |
|         for i:=0 to ops-1 do
 | |
|           begin
 | |
|             p.oper[i]^:=oper[i]^;
 | |
|             if (oper[i]^.typ=top_ref) then
 | |
|               begin
 | |
|                 new(p.oper[i]^.ref);
 | |
|                 p.oper[i]^.ref^:=oper[i]^.ref^;
 | |
|               end;
 | |
|           end;
 | |
|         getcopy:=p;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     constructor taicpu_abstract.ppuload(t:taitype;ppufile:tcompilerppufile);
 | |
|       var
 | |
|         i : integer;
 | |
|       begin
 | |
|         inherited ppuload(t,ppufile);
 | |
|         { hopefully, we don't get problems with big/litte endian here when cross compiling :/ }
 | |
|         ppufile.getdata(condition,sizeof(tasmcond));
 | |
|         allocate_oper(ppufile.getbyte);
 | |
|         for i:=0 to ops-1 do
 | |
|           ppuloadoper(ppufile,oper[i]^);
 | |
|         opcode:=tasmop(ppufile.getword);
 | |
| {$ifdef i386}
 | |
|         ppufile.getdata(segprefix,sizeof(Tregister));
 | |
| {$endif i386}
 | |
|         is_jmp:=boolean(ppufile.getbyte);
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure taicpu_abstract.ppuwrite(ppufile:tcompilerppufile);
 | |
|       var
 | |
|         i : integer;
 | |
|       begin
 | |
|         inherited ppuwrite(ppufile);
 | |
|         ppufile.putdata(condition,sizeof(tasmcond));
 | |
|         ppufile.putbyte(ops);
 | |
|         for i:=0 to ops-1 do
 | |
|           ppuwriteoper(ppufile,oper[i]^);
 | |
|         ppufile.putword(word(opcode));
 | |
| {$ifdef i386}
 | |
|         ppufile.putdata(segprefix,sizeof(Tregister));
 | |
| {$endif i386}
 | |
|         ppufile.putbyte(byte(is_jmp));
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure taicpu_abstract.buildderefimpl;
 | |
|       var
 | |
|         i : integer;
 | |
|       begin
 | |
|         for i:=0 to ops-1 do
 | |
|           ppubuildderefimploper(oper[i]^);
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure taicpu_abstract.derefimpl;
 | |
|       var
 | |
|         i : integer;
 | |
|       begin
 | |
|         for i:=0 to ops-1 do
 | |
|           ppuderefoper(oper[i]^);
 | |
|       end;
 | |
| 
 | |
| 
 | |
| {****************************************************************************
 | |
|                               tai_align_abstract
 | |
|  ****************************************************************************}
 | |
| 
 | |
|      constructor tai_align_abstract.Create(b: byte);
 | |
|        begin
 | |
|           inherited Create;
 | |
|           typ:=ait_align;
 | |
|           if b in [1,2,4,8,16,32] then
 | |
|             aligntype := b
 | |
|           else
 | |
|             aligntype := 1;
 | |
|           fillsize:=0;
 | |
|           fillop:=0;
 | |
|           use_op:=false;
 | |
|        end;
 | |
| 
 | |
| 
 | |
|      constructor tai_align_abstract.Create_op(b: byte; _op: byte);
 | |
|        begin
 | |
|           inherited Create;
 | |
|           typ:=ait_align;
 | |
|           if b in [1,2,4,8,16,32] then
 | |
|             aligntype := b
 | |
|           else
 | |
|             aligntype := 1;
 | |
|           fillsize:=0;
 | |
|           fillop:=_op;
 | |
|           use_op:=true;
 | |
|        end;
 | |
| 
 | |
| 
 | |
|      function tai_align_abstract.calculatefillbuf(var buf : tfillbuffer):pchar;
 | |
|        begin
 | |
|          fillchar(buf,high(buf),fillop);
 | |
|          calculatefillbuf:=pchar(@buf);
 | |
|        end;
 | |
| 
 | |
| 
 | |
|     constructor tai_align_abstract.ppuload(t:taitype;ppufile:tcompilerppufile);
 | |
|       begin
 | |
|         inherited ppuload(t,ppufile);
 | |
|         aligntype:=ppufile.getbyte;
 | |
|         fillsize:=0;
 | |
|         fillop:=ppufile.getbyte;
 | |
|         use_op:=boolean(ppufile.getbyte);
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure tai_align_abstract.ppuwrite(ppufile:tcompilerppufile);
 | |
|       begin
 | |
|         inherited ppuwrite(ppufile);
 | |
|         ppufile.putbyte(aligntype);
 | |
|         ppufile.putbyte(fillop);
 | |
|         ppufile.putbyte(byte(use_op));
 | |
|       end;
 | |
| 
 | |
| 
 | |
| {*****************************************************************************
 | |
|                                  TAAsmOutput
 | |
| *****************************************************************************}
 | |
| 
 | |
|     constructor taasmoutput.create;
 | |
|       begin
 | |
|         inherited create;
 | |
|         { make sure the optimizer won't remove the first tai of this list}
 | |
|         insert(tai_marker.create(marker_blockstart));
 | |
|       end;
 | |
| 
 | |
|     function taasmoutput.getlasttaifilepos : pfileposinfo;
 | |
|       var
 | |
|        hp : tlinkedlistitem;
 | |
|       begin
 | |
|          getlasttaifilepos := nil;
 | |
|          if assigned(last) then
 | |
|            begin
 | |
|               { find the last file information record }
 | |
|               if not (tai(last).typ in SkipLineInfo) then
 | |
|                 getlasttaifilepos:=@tailineinfo(last).fileinfo
 | |
|               else
 | |
|                { go through list backwards to find the first entry
 | |
|                  with line information
 | |
|                }
 | |
|                begin
 | |
|                  hp:=tai(last);
 | |
|                  while assigned(hp) and (tai(hp).typ in SkipLineInfo) do
 | |
|                     hp:=hp.Previous;
 | |
|                  { found entry }
 | |
|                  if assigned(hp) then
 | |
|                    getlasttaifilepos:=@tailineinfo(hp).fileinfo
 | |
|                end;
 | |
|            end;
 | |
|       end;
 | |
| 
 | |
|     procedure Taasmoutput.InsertAfter(Item,Loc : TLinkedListItem);
 | |
| 
 | |
|       begin
 | |
|         { This is not possible because it is not sure that the
 | |
|           tai at Loc has taifileinfo as parent }
 | |
|         {if assigned(Loc) then
 | |
|           tailineinfo(Item).fileinfo:=tailineinfo(Loc).fileinfo;}
 | |
|         inherited InsertAfter(Item,Loc);
 | |
|       end;
 | |
| 
 | |
| end.
 | |
| {
 | |
|   $Log$
 | |
|   Revision 1.55  2003-11-12 16:05:39  florian
 | |
|     * assembler readers OOPed
 | |
|     + typed currency constants
 | |
|     + typed 128 bit float constants if the CPU supports it
 | |
| 
 | |
|   Revision 1.54  2003/11/07 15:58:32  florian
 | |
|     * Florian's culmutative nr. 1; contains:
 | |
|       - invalid calling conventions for a certain cpu are rejected
 | |
|       - arm softfloat calling conventions
 | |
|       - -Sp for cpu dependend code generation
 | |
|       - several arm fixes
 | |
|       - remaining code for value open array paras on heap
 | |
| 
 | |
|   Revision 1.53  2003/10/30 19:59:00  peter
 | |
|     * support scalefactor for opr_local
 | |
|     * support reference with opr_local set, fixes tw2631
 | |
| 
 | |
|   Revision 1.52  2003/10/29 21:06:39  jonas
 | |
|     * allow more than 3 args in the spilling routine
 | |
| 
 | |
|   Revision 1.51  2003/10/29 15:40:20  peter
 | |
|     * support indexing and offset retrieval for locals
 | |
| 
 | |
|   Revision 1.50  2003/10/29 14:42:14  mazen
 | |
|   * code reformatted
 | |
| 
 | |
|   Revision 1.49  2003/10/29 14:05:45  mazen
 | |
|   * Splling function devided to sub functions to make it easy to understand.
 | |
|     This commit is just to allow easy diffs to validate the migration (hint use -w)
 | |
| 
 | |
|   Revision 1.48  2003/10/24 17:39:41  peter
 | |
|     * asmnode.get_position now inserts a marker
 | |
| 
 | |
|   Revision 1.47  2003/10/23 14:44:07  peter
 | |
|     * splitted buildderef and buildderefimpl to fix interface crc
 | |
|       calculation
 | |
| 
 | |
|   Revision 1.46  2003/10/22 20:39:59  peter
 | |
|     * write derefdata in a separate ppu entry
 | |
| 
 | |
|   Revision 1.45  2003/10/21 15:15:35  peter
 | |
|     * taicpu_abstract.oper[] changed to pointers
 | |
| 
 | |
|   Revision 1.44  2003/10/17 14:38:32  peter
 | |
|     * 64k registers supported
 | |
|     * fixed some memory leaks
 | |
| 
 | |
|   Revision 1.43  2003/10/11 16:06:42  florian
 | |
|     * fixed some MMX<->SSE
 | |
|     * started to fix ppc, needs an overhaul
 | |
|     + stabs info improve for spilling, not sure if it works correctly/completly
 | |
|     - MMX_SUPPORT removed from Makefile.fpc
 | |
| 
 | |
|   Revision 1.42  2003/10/10 17:48:13  peter
 | |
|     * old trgobj moved to x86/rgcpu and renamed to trgx86fpu
 | |
|     * tregisteralloctor renamed to trgobj
 | |
|     * removed rgobj from a lot of units
 | |
|     * moved location_* and reference_* to cgobj
 | |
|     * first things for mmx register allocation
 | |
| 
 | |
|   Revision 1.41  2003/10/01 20:34:48  peter
 | |
|     * procinfo unit contains tprocinfo
 | |
|     * cginfo renamed to cgbase
 | |
|     * moved cgmessage to verbose
 | |
|     * fixed ppc and sparc compiles
 | |
| 
 | |
|   Revision 1.40  2003/09/23 17:56:05  peter
 | |
|     * locals and paras are allocated in the code generation
 | |
|     * tvarsym.localloc contains the location of para/local when
 | |
|       generating code for the current procedure
 | |
| 
 | |
|   Revision 1.39  2003/09/07 22:09:34  peter
 | |
|     * preparations for different default calling conventions
 | |
|     * various RA fixes
 | |
| 
 | |
|   Revision 1.38  2003/09/04 00:15:28  florian
 | |
|     * first bunch of adaptions of arm compiler for new register type
 | |
| 
 | |
|   Revision 1.37  2003/09/03 15:55:00  peter
 | |
|     * NEWRA branch merged
 | |
| 
 | |
|   Revision 1.36  2003/09/03 11:18:36  florian
 | |
|     * fixed arm concatcopy
 | |
|     + arm support in the common compiler sources added
 | |
|     * moved some generic cg code around
 | |
|     + tfputype added
 | |
|     * ...
 | |
| 
 | |
|   Revision 1.35.2.5  2003/08/31 21:08:16  peter
 | |
|     * first batch of sparc fixes
 | |
| 
 | |
|   Revision 1.35.2.4  2003/08/29 17:28:59  peter
 | |
|     * next batch of updates
 | |
| 
 | |
|   Revision 1.35.2.3  2003/08/28 18:35:07  peter
 | |
|     * tregister changed to cardinal
 | |
| 
 | |
|   Revision 1.35.2.2  2003/08/27 20:23:55  peter
 | |
|     * remove old ra code
 | |
| 
 | |
|   Revision 1.35.2.1  2003/08/27 19:55:54  peter
 | |
|     * first tregister patch
 | |
| 
 | |
|   Revision 1.35  2003/08/21 14:47:41  peter
 | |
|     * remove convert_registers
 | |
| 
 | |
|   Revision 1.34  2003/08/20 20:29:06  daniel
 | |
|     * Some more R_NO changes
 | |
|     * Preventive code to loadref added
 | |
| 
 | |
|   Revision 1.33  2003/08/17 20:47:47  daniel
 | |
|     * Notranslation changed into -sr functionality
 | |
| 
 | |
|   Revision 1.32  2003/08/17 16:59:20  jonas
 | |
|     * fixed regvars so they work with newra (at least for ppc)
 | |
|     * fixed some volatile register bugs
 | |
|     + -dnotranslation option for -dnewra, which causes the registers not to
 | |
|       be translated from virtual to normal registers. Requires support in
 | |
|       the assembler writer as well, which is only implemented in aggas/
 | |
|       agppcgas currently
 | |
| 
 | |
|   Revision 1.31  2003/08/11 21:18:20  peter
 | |
|     * start of sparc support for newra
 | |
| 
 | |
|   Revision 1.30  2003/07/02 16:43:48  jonas
 | |
|     * always add dummy marker object at the start of an assembler list, so
 | |
|       the optimizer can't remove the first object
 | |
| 
 | |
|   Revision 1.29  2003/06/03 13:01:59  daniel
 | |
|     * Register allocator finished
 | |
| 
 | |
|   Revision 1.28  2003/05/12 18:13:57  peter
 | |
|     * create rtti label using newasmsymboldata and update binding
 | |
|       only when calling tai_symbol.create
 | |
|     * tai_symbol.create_global added
 | |
| 
 | |
|   Revision 1.27  2003/04/25 20:59:33  peter
 | |
|     * removed funcretn,funcretsym, function result is now in varsym
 | |
|       and aliases for result and function name are added using absolutesym
 | |
|     * vs_hidden parameter for funcret passed in parameter
 | |
|     * vs_hidden fixes
 | |
|     * writenode changed to printnode and released from extdebug
 | |
|     * -vp option added to generate a tree.log with the nodetree
 | |
|     * nicer printnode for statements, callnode
 | |
| 
 | |
|   Revision 1.26  2002/04/25 16:12:09  florian
 | |
|     * fixed more problems with cpubase and x86-64
 | |
| 
 | |
|   Revision 1.25  2003/04/25 08:25:26  daniel
 | |
|     * Ifdefs around a lot of calls to cleartempgen
 | |
|     * Fixed registers that are allocated but not freed in several nodes
 | |
|     * Tweak to register allocator to cause less spills
 | |
|     * 8-bit registers now interfere with esi,edi and ebp
 | |
|       Compiler can now compile rtl successfully when using new register
 | |
|       allocator
 | |
| 
 | |
|   Revision 1.24  2003/04/24 13:03:01  florian
 | |
|     * comp is now written with its bit pattern to the ppu instead as an extended
 | |
| 
 | |
|   Revision 1.23  2003/04/22 14:33:38  peter
 | |
|     * removed some notes/hints
 | |
| 
 | |
|   Revision 1.22  2003/04/22 10:09:34  daniel
 | |
|     + Implemented the actual register allocator
 | |
|     + Scratch registers unavailable when new register allocator used
 | |
|     + maybe_save/maybe_restore unavailable when new register allocator used
 | |
| 
 | |
|   Revision 1.21  2003/02/19 22:00:14  daniel
 | |
|     * Code generator converted to new register notation
 | |
|     - Horribily outdated todo.txt removed
 | |
| 
 | |
|   Revision 1.20  2003/01/30 21:46:20  peter
 | |
|     * tai_const_symbol.createdataname added
 | |
| 
 | |
|   Revision 1.19  2003/01/21 08:48:08  daniel
 | |
|     * Another 200301081 fixed
 | |
| 
 | |
|   Revision 1.18  2003/01/09 20:40:59  daniel
 | |
|     * Converted some code in cgx86.pas to new register numbering
 | |
| 
 | |
|   Revision 1.17  2003/01/09 15:49:56  daniel
 | |
|     * Added register conversion
 | |
| 
 | |
|   Revision 1.16  2003/01/08 18:43:56  daniel
 | |
|    * Tregister changed into a record
 | |
| 
 | |
|   Revision 1.15  2003/01/05 13:36:53  florian
 | |
|     * x86-64 compiles
 | |
|     + very basic support for float128 type (x86-64 only)
 | |
| 
 | |
|   Revision 1.14  2002/12/06 17:50:21  peter
 | |
|     * symbol count fix merged
 | |
| 
 | |
|   Revision 1.13  2002/11/17 16:31:55  carl
 | |
|     * memory optimization (3-4%) : cleanup of tai fields,
 | |
|        cleanup of tdef and tsym fields.
 | |
|     * make it work for m68k
 | |
| 
 | |
|   Revision 1.12  2002/11/15 16:29:30  peter
 | |
|     * made tasmsymbol.refs private (merged)
 | |
| 
 | |
|   Revision 1.11  2002/11/15 01:58:45  peter
 | |
|     * merged changes from 1.0.7 up to 04-11
 | |
|       - -V option for generating bug report tracing
 | |
|       - more tracing for option parsing
 | |
|       - errors for cdecl and high()
 | |
|       - win32 import stabs
 | |
|       - win32 records<=8 are returned in eax:edx (turned off by default)
 | |
|       - heaptrc update
 | |
|       - more info for temp management in .s file with EXTDEBUG
 | |
| 
 | |
|   Revision 1.10  2002/11/09 15:38:03  carl
 | |
|     + NOOPT removed the optinfo field
 | |
| 
 | |
|   Revision 1.9  2002/10/05 12:43:23  carl
 | |
|     * fixes for Delphi 6 compilation
 | |
|      (warning : Some features do not work under Delphi)
 | |
| 
 | |
|   Revision 1.8  2002/08/19 19:36:42  peter
 | |
|     * More fixes for cross unit inlining, all tnodes are now implemented
 | |
|     * Moved pocall_internconst to po_internconst because it is not a
 | |
|       calling type at all and it conflicted when inlining of these small
 | |
|       functions was requested
 | |
| 
 | |
|   Revision 1.7  2002/08/18 20:06:23  peter
 | |
|     * inlining is now also allowed in interface
 | |
|     * renamed write/load to ppuwrite/ppuload
 | |
|     * tnode storing in ppu
 | |
|     * nld,ncon,nbas are already updated for storing in ppu
 | |
| 
 | |
|   Revision 1.6  2002/08/16 05:21:09  florian
 | |
|     * powerpc compilation fix
 | |
| 
 | |
|   Revision 1.5  2002/08/15 19:10:35  peter
 | |
|     * first things tai,tnode storing in ppu
 | |
| 
 | |
|   Revision 1.4  2002/08/11 14:32:25  peter
 | |
|     * renamed current_library to objectlibrary
 | |
| 
 | |
|   Revision 1.3  2002/08/11 13:24:10  peter
 | |
|     * saving of asmsymbols in ppu supported
 | |
|     * asmsymbollist global is removed and moved into a new class
 | |
|       tasmlibrarydata that will hold the info of a .a file which
 | |
|       corresponds with a single module. Added librarydata to tmodule
 | |
|       to keep the library info stored for the module. In the future the
 | |
|       objectfiles will also be stored to the tasmlibrarydata class
 | |
|     * all getlabel/newasmsymbol and friends are moved to the new class
 | |
| 
 | |
|   Revision 1.2  2002/08/05 18:27:48  carl
 | |
|     + more more more documentation
 | |
|     + first version include/exclude (can't test though, not enough scratch for i386 :()...
 | |
| 
 | |
|   Revision 1.1  2002/07/01 18:46:20  peter
 | |
|     * internal linker
 | |
|     * reorganized aasm layer
 | |
| 
 | |
|   Revision 1.27  2002/05/18 13:34:04  peter
 | |
|     * readded missing revisions
 | |
| 
 | |
|   Revision 1.25  2002/05/14 19:34:38  peter
 | |
|     * removed old logs and updated copyright year
 | |
| 
 | |
|   Revision 1.24  2002/05/14 17:28:08  peter
 | |
|     * synchronized cpubase between powerpc and i386
 | |
|     * moved more tables from cpubase to cpuasm
 | |
|     * tai_align_abstract moved to tainst, cpuasm must define
 | |
|       the tai_align class now, which may be empty
 | |
| 
 | |
|   Revision 1.23  2002/04/15 18:54:34  carl
 | |
|   - removed tcpuflags
 | |
| 
 | |
|   Revision 1.22  2002/04/07 13:18:19  carl
 | |
|   + more documentation
 | |
| 
 | |
|   Revision 1.21  2002/04/07 10:17:40  carl
 | |
|   - remove packenumfixed (requires version 1.0.2 or later to compile now!)
 | |
|   + changing some comments so its commented automatically
 | |
| 
 | |
|   Revision 1.20  2002/03/24 19:04:31  carl
 | |
|   + patch for SPARC from Mazen NEIFER
 | |
| 
 | |
| }
 | 
