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q_delphi.pas
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q_delphi.pas
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// ------------------------------------------------------------------------------
// DelphiQuake, Copyright (C) 2005-2011 by Jim Valavanis
// E-Mail: jimmyvalavanis@yahoo.gr
//
// Copyright (C) 1996-1997 Id Software, Inc.
//
// 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// ------------------------------------------------------------------------------
{$I dquake.inc}
unit q_delphi;
interface
const
MAXINT = $7fffffff;
MININT = integer($80000000);
MAXSHORT = $7fff;
type
qboolean = LongBool;
Pqboolean = ^qboolean;
PByte = ^Byte;
PInteger = ^integer;
Psingle = ^single;
unsigned = longword;
Punsigned = ^unsigned;
unsigned_int = longword;
Punsigned_int = ^unsigned_int;
signed_char = shortint;
unsigned_char = byte;
short = smallint;
Pshort = ^short;
u_short = word;
Pu_short = ^u_short;
unsigned_short = word;
Punsigned_short = ^unsigned_short;
LONG = longint;
PLONG = ^LONG;
Punsigned_shortArray = ^Tunsigned_shortArray;
Tunsigned_shortArray = array[0..$FFFF] of unsigned_short;
PunsignedArray = ^TunsignedArray;
TunsignedArray = array[0..$FFFF] of unsigned;
PFloatArray = ^TFloatArray;
TFloatArray = array[0..$FFFF] of single;
PShortArray = ^TShortArray;
TShortArray = array[0..$FFFF] of short;
PCharArray = ^TCharArray;
TCharArray = array[0..$FFFF] of char;
PPChar = ^PChar;
type
PPointer = ^Pointer;
PString = ^string;
PBoolean = ^Boolean;
PLongWord = ^LongWord;
PShortInt = ^ShortInt;
TWordArray = packed array[0..$FFFF] of word;
PWordArray = ^TWordArray;
TIntegerArray = packed array[0..$FFFF] of integer;
PIntegerArray = ^TIntegerArray;
TLongWordArray = packed array[0..$FFFF] of LongWord;
PLongWordArray = ^TLongWordArray;
TSmallintArray = packed array[0..$FFFF] of Smallint;
PSmallintArray = ^TSmallintArray;
TByteArray = packed array[0..$FFFF] of Byte;
PByteArray = ^TByteArray;
TBooleanArray = packed array[0..$FFFF] of boolean;
PBooleanArray = ^TBooleanArray;
PProcedure = procedure;
PIntFunction = function: integer;
TStringArray = array[0..$FFFF] of string;
PStringArray = ^TStringArray;
TPointerArray = packed array[0..$FFFF] of pointer;
PPointerArray = ^TPointerArray;
PSmallInt = ^SmallInt;
TSmallIntPArray = packed array[0..$FFFF] of PSmallIntArray;
PSmallIntPArray = ^TSmallIntPArray;
PWord = ^Word;
TWordPArray = packed array[0..$FFFF] of PWordArray;
PWordPArray = ^TWordPArray;
TLongWordPArray = packed array[0..$FFFF] of PLongWordArray;
PLongWordPArray = ^TLongWordPArray;
TIntegerPArray = packed array[0..$FFFF] of PIntegerArray;
PIntegerPArray = ^TIntegerPArray;
TBytePArray = packed array[0..$FFFF] of PByteArray;
PBytePArray = ^TBytePArray;
float = single;
type
charset_t = set of char;
twobytes = packed record
byte1, byte2: byte;
end;
TOutProc = procedure (const s: string);
var
outproc: TOutProc = nil;
procedure printf(const str: string); overload;
procedure printf(const Fmt: string; const Args: array of const); overload;
function ftoa(f: integer): string;
function atoui(const s: string): longword; overload;
function atoui(const s: string; const default: longword): longword; overload;
//
// Memory functions
//
function memmove(const destination, source: pointer; count: integer): pointer;
function memcpy(const dest0: pointer; const src0: pointer; count0: integer): pointer;
function memset(const dest0: pointer; const val: integer; const count0: integer): pointer;
function malloc(const size: integer): Pointer;
function mallocA(var Size: integer; const Align: integer; var original: pointer): pointer;
function mallocz(const size: integer): Pointer;
procedure realloc(var p: pointer; const oldsize, newsize: integer);
procedure memfree(var p: pointer; const size: integer);
var
memoryusage: integer = 0;
function IntToStrZfill(const z: integer; const x: integer): string;
function pDiff(const p1, p2: pointer; const size: integer): integer;
function getenv(const env: string): string;
function fexists(const filename: string): boolean;
function fexpand(const filename: string): string;
procedure fdelete(const filename: string);
function fext(const filename: string): string;
function fname(const filename: string): string;
const
fCreate = 0;
fOpenReadOnly = 1;
fOpenReadWrite = 2;
sFromBeginning = 0;
sFromCurrent = 1;
sFromEnd = 2;
type
TStream = class
protected
FIOResult: integer;
public
OnBeginBusy: PProcedure;
OnEndBusy: PProcedure;
constructor Create;
function Read(var Buffer; Count: Longint): Longint; virtual; abstract;
function Write(const Buffer; Count: Longint): Longint; virtual; abstract;
function Seek(Offset: Longint; Origin: Word): Longint; virtual; abstract;
function Size: Longint; virtual; abstract;
function Position: integer; virtual; abstract;
function IOResult: integer;
end;
TMemoryStream = class(TStream)
protected
FSize: integer;
FPosition: integer;
FMemory: pointer;
procedure Resize(newsize: integer);
public
OnBeginBusy: PProcedure;
OnEndBusy: PProcedure;
constructor Create;
destructor Destroy; override;
function Read(var Buffer; Count: Longint): Longint; override;
function Write(const Buffer; Count: Longint): Longint; override;
function Seek(Offset: Longint; Origin: Word): Longint; override;
function Size: Longint; override;
function Position: integer; override;
end;
TFile = class(TStream)
private
f: file;
public
constructor Create(const FileName: string; const mode: integer);
destructor Destroy; override;
function Read(var Buffer; Count: Longint): Longint; override;
function Write(const Buffer; Count: Longint): Longint; override;
function Seek(Offset: Longint; Origin: Word): Longint; override;
function Size: Longint; override;
function Position: integer; override;
end;
TCachedFile = class(TFile)
private
fBufSize: integer;
fBuffer: pointer;
fPosition: integer;
fBufferStart: integer;
fBufferEnd: integer;
fSize: integer;
fInitialized: boolean;
protected
procedure SetSize(NewSize: Longint); virtual;
procedure ResetBuffer; virtual;
public
constructor Create(const FileName: string; mode: word; ABufSize: integer = $FFFF); virtual;
destructor Destroy; override;
function Read(var Buffer; Count: Longint): Longint; override;
function Write(const Buffer; Count: Longint): Longint; override;
function Seek(Offset: Longint; Origin: Word): Longint; override;
function Position: integer; override;
end;
type
TDNumberList = class
private
fList: PIntegerArray;
fNumItems: integer;
protected
function Get(Index: Integer): integer; virtual;
procedure Put(Index: Integer; const value: integer); virtual;
public
constructor Create; virtual;
destructor Destroy; override;
function Add(const value: integer): integer; overload; virtual;
procedure Add(const nlist: TDNumberList); overload; virtual;
function Delete(const Index: integer): boolean;
function IndexOf(const value: integer): integer;
procedure Clear;
property Count: integer read fNumItems;
property Numbers[Index: Integer]: integer read Get write Put; default;
end;
type
TTextArray = array[0..$FFFF] of string[255];
PTextArray = ^TTextArray;
type
TDTextList = class
private
fList: PTextArray;
fNumItems: integer;
protected
function Get(Index: Integer): string; virtual;
procedure Put(Index: Integer; const value: string); virtual;
public
constructor Create; virtual;
destructor Destroy; override;
procedure Add(const value: string); overload; virtual;
procedure Add(const nlist: TDTextList); overload; virtual;
function Delete(const Index: integer): boolean;
function IndexOf(const value: string): integer;
procedure Clear;
property Count: integer read fNumItems;
property Numbers[Index: Integer]: string read Get write Put; default;
end;
const
MaxListSize = MAXINT div 16;
type
{ TDStrings class }
TDStrings = class
private
function GetCommaText: string;
function GetName(Index: Integer): string;
function GetValue(const Name: string): string;
function GetValueIdx(const idx: integer): string;
procedure SetCommaText(const Value: string);
procedure SetValue(const Name, Value: string);
protected
function Get(Index: Integer): string; virtual; abstract;
function GetCapacity: Integer; virtual;
function GetCount: Integer; virtual; abstract;
function GetObject(Index: Integer): TObject; virtual;
function GetTextStr: string; virtual;
procedure Put(Index: Integer; const S: string); virtual;
procedure PutObject(Index: Integer; AObject: TObject); virtual;
procedure SetCapacity(NewCapacity: Integer); virtual;
procedure SetTextStr(const Value: string); virtual;
procedure SetByteStr(const A: PByteArray; const Size: integer); virtual;
public
function Add(const S: string): Integer; overload; virtual;
function Add(const Fmt: string; const Args: array of const): Integer; overload; virtual;
function AddObject(const S: string; AObject: TObject): Integer; virtual;
procedure Append(const S: string);
procedure AddStrings(Strings: TDStrings); virtual;
procedure Clear; virtual; abstract;
procedure Delete(Index: Integer); virtual; abstract;
function Equals(Strings: TDStrings): Boolean;
procedure Exchange(Index1, Index2: Integer); virtual;
function GetText: PChar; virtual;
function IndexOf(const S: string): Integer; virtual;
function IndexOfName(const Name: string): Integer;
function IndexOfObject(AObject: TObject): Integer;
procedure Insert(Index: Integer; const S: string); virtual; abstract;
procedure InsertObject(Index: Integer; const S: string;
AObject: TObject);
function LoadFromFile(const FileName: string): boolean; virtual;
function LoadFromStream(const strm: TStream): boolean; virtual;
procedure Move(CurIndex, NewIndex: Integer); virtual;
function SaveToFile(const FileName: string): boolean; virtual;
procedure SetText(Text: PChar); virtual;
property Capacity: Integer read GetCapacity write SetCapacity;
property CommaText: string read GetCommaText write SetCommaText;
property Count: Integer read GetCount;
property Names[Index: Integer]: string read GetName;
property Objects[Index: Integer]: TObject read GetObject write PutObject;
property Values[const Name: string]: string read GetValue write SetValue;
property ValuesIdx[const idx: integer]: string read GetValueIdx;
property Strings[Index: Integer]: string read Get write Put; default;
property Text: string read GetTextStr write SetTextStr;
end;
{ TDStringList class }
TDStringList = class;
PStringItem = ^TStringItem;
TStringItem = record
FString: string;
FObject: TObject;
end;
PStringItemList = ^TStringItemList;
TStringItemList = array[0..MaxListSize] of TStringItem;
TDStringList = class(TDStrings)
private
FList: PStringItemList;
FCount: Integer;
FCapacity: Integer;
procedure ExchangeItems(Index1, Index2: Integer);
procedure Grow;
procedure InsertItem(Index: Integer; const S: string);
protected
function Get(Index: Integer): string; override;
function GetCapacity: Integer; override;
function GetCount: Integer; override;
function GetObject(Index: Integer): TObject; override;
procedure Put(Index: Integer; const S: string); override;
procedure PutObject(Index: Integer; AObject: TObject); override;
procedure SetCapacity(NewCapacity: Integer); override;
public
destructor Destroy; override;
function Add(const S: string): Integer; override;
procedure Clear; override;
procedure Delete(Index: Integer); override;
procedure Exchange(Index1, Index2: Integer); override;
procedure Insert(Index: Integer; const S: string); override;
end;
function findfile(const mask: string): string;
function findfiles(const mask: string): TDStringList;
procedure fprintf(var f: file; const Fmt: string; const Args: array of const); overload;
procedure fprintf(const f: TFile; const str: string); overload;
procedure fprintf(const f: TFile; const Fmt: string; const Args: array of const); overload;
procedure fprintf(var f: text; const Fmt: PChar); overload;
procedure fprintf(var f: file; const Fmt: PChar); overload;
procedure fprintf(f: integer; const Fmt: PChar); overload;
procedure fprintf(var f: text; const Fmt: PChar; const Args: array of const); overload;
procedure fprintf(var f: file; const Fmt: PChar; const Args: array of const); overload;
procedure fprintf(f: integer; const Fmt: PChar; const Args: array of const); overload;
procedure fprintf(var f: text; const Fmt: string); overload;
procedure fprintf(var f: file; const Fmt: string); overload;
procedure fprintf(f: integer; const Fmt: string); overload;
procedure fprintf(var f: text; const Fmt: string; const Args: array of const); overload;
//procedure fprintf(var f: file; const Fmt: string; const Args: array of const); overload;
//procedure fprintf(f: integer; const Fmt: string; const Args: array of const); overload;
function tan(const x: extended): extended;
function strupper(const S: string): string;
function strlower(const S: string): string;
function strremovespaces(const s: string): string;
function _SHL(const x: integer; const bits: integer): integer;
function _SHLW(const x: LongWord; const bits: LongWord): LongWord;
function _SHR(const x: integer; const bits: integer): integer;
function _SHR1(const x: integer): integer;
function _SHR2(const x: integer): integer;
function _SHR3(const x: integer): integer;
function _SHR4(const x: integer): integer;
function _SHR7(const x: integer): integer;
function _SHR8(const x: integer): integer;
function _SHR14(const x: integer): integer;
function _SHRW(const x: LongWord; const bits: LongWord): LongWord;
function StringVal(const Str: PChar): string;
procedure ZeroMemory(const dest0: pointer; const count0: integer);
function fsize(const FileName: string): integer;
function fshortname(const FileName: string): string;
function strtrim(const S: string): string;
function capitalizedstring(const S: string; const splitter: char = ' '): string;
procedure splitstring(const inp: string; var out1, out2: string; const splitter: string = ' '); overload;
procedure splitstring(const inp: string; var out1, out2: string; const splitters: charset_t); overload;
function firstword(const inp: string; const splitter: string = ' '): string; overload;
function firstword(const inp: string; const splitters: charset_t): string; overload;
function secondword(const inp: string; const splitter: string = ' '): string; overload;
function secondword(const inp: string; const splitters: charset_t): string; overload;
function lastword(const inp: string; const splitter: string = ' '): string; overload;
function lastword(const inp: string; const splitters: charset_t): string; overload;
procedure FreeAndNil(var Obj);
function StrLCopy(Dest: PChar; const Source: PChar; MaxLen: Cardinal): PChar;
function fabs(const f: float): float;
procedure MakeDir(const dir: string);
function PascalText(src: PChar): string;
procedure CopyFile(const sname, dname: string);
function IsIntegerInRange(const test, f1, f2: integer): boolean;
function IsFloatInRange(const test, f1, f2: float): boolean;
procedure sprintf(s: PChar; const Fmt: PChar); overload;
procedure sprintf(s: PChar; const Fmt: PChar; const Args: array of const); overload;
procedure sprintf(var s: string; const Fmt: PChar); overload;
procedure sprintf(var s: string; const Fmt: PChar; const Args: array of const); overload;
procedure sprintf(s: PChar; const Fmt: string); overload;
procedure sprintf(s: PChar; const Fmt: string; const Args: array of const); overload;
procedure sprintf(var s: string; const Fmt: string); overload;
procedure sprintf(var s: string; const Fmt: string; const Args: array of const); overload;
function itoa(i: integer): string;
function atoi(const s: string): integer; overload;
function atoi(const s: PChar): integer; overload;
function atoi(const s: string; const default: integer): integer; overload;
function atof(const s: string): single; overload;
function atof(const s: PChar): single; overload;
function atof(const s: string; const default: single): single; overload;
function boolval(const x: integer): boolean; overload;
function boolval(const c: char): boolean; overload;
function boolval(const p: pointer): boolean; overload;
function boolval(const f: single): boolean; overload;
function boolval(var f: file): boolean; overload;
function intval(const b: boolean): integer; overload;
function intval(const f: single): integer; overload;
function floatval(const b: boolean): single;
function decidef(const condition: boolean;
const iftrue: single; const iffalse: single): single;
function decide(const contition: boolean; const iftrue: integer; const iffalse: integer): integer; overload;
function decide(const contition: boolean; const iftrue: boolean; const iffalse: boolean): boolean; overload;
function decide(const contition: boolean; const iftrue: string; const iffalse: string): string; overload;
function decide(const contition: boolean; const iftrue: pointer; const iffalse: pointer): pointer; overload;
function decide(const contition: integer; const iftrue: integer; const iffalse: integer): integer; overload;
function decide(const contition: integer; const iftrue: boolean; const iffalse: boolean): boolean; overload;
function decide(const contition: integer; const iftrue: string; const iffalse: string): string; overload;
function decide(const contition: integer; const iftrue: pointer; const iffalse: pointer): pointer; overload;
function fread(buf: pointer; size: integer; count: integer; f: integer): integer; overload;
function fread(buf: pointer; size: integer; count: integer; var f: file): integer; overload;
function fwrite(buf: pointer; size: integer; count: integer; f: integer): integer; overload;
function fwrite(buf: pointer; size: integer; count: integer; var f: file): integer; overload;
procedure fclose(var f: integer); overload;
procedure fclose(var f: file); overload;
procedure fclose(var f: text); overload;
procedure fscanf(var f: text; buf: PChar); overload;
procedure fscanf(var f: text; var num: single); overload;
procedure fscanf(var f: text; var num: integer); overload;
function strstr(const _string: PChar; const strCharSet: PChar): PChar;
function strchr(const _string: PChar; const strChar: char): boolean;
function getc(f: integer; var c: char): char; overload;
function getc(var f: file; var c: char): char; overload;
function getc(var f: text; var c: char): char; overload;
function rand: integer;
function strncmp(s1, s2: PChar; count: Integer): Integer;
function strnicmp(s1, s2: PChar; count: Integer): Integer;
function strncpy(dest, source: PChar; count: Integer): PChar;
function FileIsOpened(f: integer): boolean; overload;
function FileIsOpened(var f: file): boolean; overload;
function FileIsOpened(var f: text): boolean; overload;
function isupper(ch: Char): boolean;
function islower(ch: Char): boolean;
function isalpha(ch: Char): boolean;
function isdigit(ch: Char): boolean;
function toupper(ch: Char): Char;
function tolower(ch: Char): Char;
function strcpy(Dest: PChar; const Source: PChar): PChar; assembler;
function strlen(const Str: PChar): integer; assembler;
function strcmp(const Str1, Str2: PChar): Integer; assembler;
function strend(const Str: PChar): PChar; assembler;
function strcat(Dest: PChar; const Source: PChar): PChar;
function uintval(const f: single): unsigned_int;
function fatan(const f: single): single;
function ftan(const f: single): single;
function fasin(const f: single): single;
function fatan2(const y, x: single): Extended;
function fpow(const Base, Exponent: single): single;
function floor(x: single): integer;
function ceil(x: single): integer;
function read_string(var f: file): PChar; overload;
function read_string(f: integer): PChar; overload;
function read_int(var f: file): integer;
function read_float(var f: file): single; overload;
function read_float(f: integer): single; overload;
procedure unlink(name: PChar);
function fopen(var f: file; const FileName: string; const mode: integer): boolean; overload;
function fopen(name: PChar; mode: string): integer; overload;
function fopen(name: PChar; mode: string; var f: file): boolean; overload;
function fopen(name: PChar; mode: string; var t: text): boolean; overload;
function fseek(Handle, Offset, Origin: Integer): Integer;
function C_PChar(const p: pointer; offs: integer): PChar;
procedure FixFileName(name: PChar);
function ReplaceStrAll(Const S, FromStr, ToStr: string): string;
var
mmxMachine: byte = 0;
AMD3DNowMachine: byte = 0;
const
NULLFILE = -1;
implementation
uses
Windows,
SysUtils
{$IFDEF FPC}
,d_fpc
{$ENDIF},
Math;
procedure printf(const str: string);
begin
if Assigned(outproc) then
outproc(str)
else if IsConsole then
write(str);
end;
procedure printf(const Fmt: string; const Args: array of const);
var
s: string;
begin
sprintf(s, Fmt, Args);
printf(s);
end;
procedure fprintf(var f: file; const Fmt: string; const Args: array of const);
var
s: string;
begin
sprintf(s, Fmt, Args);
fprintf(f, s);
end;
procedure fprintf(const f: TFile; const str: string);
begin
fprintf(f.f, str);
end;
procedure fprintf(const f: TFile; const Fmt: string; const Args: array of const);
begin
fprintf(f.f, Fmt, Args);
end;
function itoa(i: integer): string;
begin
sprintf(result, '%d', [i]);
end;
function ftoa(f: integer): string;
begin
result := FloatToStr(f);
end;
function atoi(const s: string): integer;
var
code: integer;
ret2: integer;
begin
val(s, result, code);
if code <> 0 then
begin
if Pos('0x', s) = 1 then
val('$' + Copy(s, 3, Length(s) - 2), ret2, code)
else
val('$' + s, ret2, code);
if code = 0 then
result := ret2
else
result := 0;
end;
end;
function atoi(const s: string; const default: integer): integer; overload;
var
code: integer;
ret2: integer;
begin
val(s, result, code);
if code <> 0 then
begin
if Pos('0x', s) = 1 then
val('$' + Copy(s, 3, Length(s) - 2), ret2, code)
else
val('$' + s, ret2, code);
if code = 0 then
result := ret2
else
result := default;
end;
end;
function atoui(const s: string): longword; overload;
var
code: integer;
ret2: longword;
begin
val(s, result, code);
if code <> 0 then
begin
if Pos('0x', s) = 1 then
val('$' + Copy(s, 3, Length(s) - 2), ret2, code)
else
val('$' + s, ret2, code);
if code = 0 then
result := ret2
else
result := 0;
end;
end;
function atoui(const s: string; const default: longword): longword; overload;
var
code: integer;
ret2: longword;
begin
val(s, result, code);
if code <> 0 then
begin
if Pos('0x', s) = 1 then
val('$' + Copy(s, 3, Length(s) - 2), ret2, code)
else
val('$' + s, ret2, code);
if code = 0 then
result := ret2
else
result := default;
end;
end;
function atof(const s: string): single;
var
code: integer;
i: integer;
str: string;
begin
val(s, result, code);
if code <> 0 then
begin
str := s;
for i := 1 to Length(str) do
if str[i] in ['.', ','] then
str[i] := DecimalSeparator;
val(str, result, code);
if code <> 0 then
result := 0.0;
end;
end;
function atof(const s: string; const default: single): single;
var
code: integer;
i: integer;
str: string;
begin
val(s, result, code);
if code <> 0 then
begin
str := s;
for i := 1 to Length(str) do
if str[i] in ['.', ','] then
str[i] := DecimalSeparator;
val(str, result, code);
if code <> 0 then
result := default;
end;
end;
procedure memcpy_MMX8(const dst: pointer; const src: pointer; const len: integer); assembler;
asm
push esi
push edi
mov esi, src
mov edi, dst
mov ecx, len
shr ecx, 3 // 8 bytes per iteration
@@loop1:
// Read in source data
movq mm1, [esi]
// Non-temporal stores
movntq [edi], mm1
add esi, 8
add edi, 8
dec ecx
jnz @@loop1
emms
pop edi
pop esi
end;
procedure memcpy_MMX64(const dst: pointer; const src: pointer; const len: integer); assembler;
asm
push esi
push edi
mov esi, src
mov edi, dst
mov ecx, len
shr ecx, 6 // 64 bytes per iteration
@@loop1:
// Read in source data
movq mm1, [esi]
movq mm2, [esi + 8]
movq mm3, [esi + 16]
movq mm4, [esi + 24]
movq mm5, [esi + 32]
movq mm6, [esi + 40]
movq mm7, [esi + 48]
movq mm0, [esi + 56]
// Non-temporal stores
movntq [edi], mm1
movntq [edi + 8], mm2
movntq [edi + 16], mm3
movntq [edi + 24], mm4
movntq [edi + 32], mm5
movntq [edi + 40], mm6
movntq [edi + 48], mm7
movntq [edi + 56], mm0
add esi, 64
add edi, 64
dec ecx
jnz @@loop1
emms
pop edi
pop esi
end;
procedure memcpy_3DNow64(const dst: pointer; const src: pointer; const len: integer); assembler;
asm
push esi
push edi
mov esi, src
mov edi, dst
mov ecx, len
shr ecx, 6 // 64 bytes per iteration
@@loop1:
// Prefetch next loop, non-temporal
prefetch [esi + 64]
prefetch [esi + 96]
// Read in source data
movq mm1, [esi]
movq mm2, [esi + 8]
movq mm3, [esi + 16]
movq mm4, [esi + 24]
movq mm5, [esi + 32]
movq mm6, [esi + 40]
movq mm7, [esi + 48]
movq mm0, [esi + 56]
// Non-temporal stores
movntq [edi], mm1
movntq [edi + 8], mm2
movntq [edi + 16], mm3
movntq [edi + 24], mm4
movntq [edi + 32], mm5
movntq [edi + 40], mm6
movntq [edi + 48], mm7
movntq [edi + 56], mm0
add esi, 64
add edi, 64
dec ecx
jnz @@loop1
emms
pop edi
pop esi
end;
function memmove(const destination, source: pointer; count: integer): pointer;
begin
Move(source^, destination^, count);
result := destination;
end;
function memcpy(const dest0: pointer; const src0: pointer; count0: integer): pointer;
var
dest: PByte;
src: PByte;
count: integer;
begin
if mmxMachine = 0 then
begin
Move(src0^, dest0^, count0);
result := dest0;
exit;
end;
{ if abs(integer(dest0) - integer(src0)) < 8 then
begin
printf('memcpy(): FUCK!!');
exit;
end;}
// if copying more than 16 bytes and we can copy 8 byte aligned
if (count0 > 16) and (((integer(dest0) xor integer(src0)) and 7) = 0) then
begin
dest := PByte(dest0);
src := PByte(src0);
// copy up to the first 8 byte aligned boundary
count := integer(dest) and 7;
Move(src^, dest^, count);
inc(dest, count);
inc(src, count);
count := count0 - count;
// if there are blocks of 64 bytes
if count and (not 63) <> 0 then
begin
if AMD3DNowMachine <> 0 then
memcpy_3DNow64(dest, src, count and (not 63))
else
memcpy_MMX64(dest, src, count and (not 63));
inc(src, count and (not 63));
inc(dest, count and (not 63));
count := count and 63;
end;
// if there are blocks of 8 bytes
if count and (not 7) <> 0 then
begin
memcpy_MMX8(dest, src, count);
inc(src, count and (not 7));
inc(dest, count and (not 7));
count := count and 7;
end;
// copy any remaining bytes
Move(src^, dest^, count);
end
else
begin
// use the regular one if we cannot copy 8 byte aligned
Move(src0^, dest0^, count0);
end;
result := dest0;
end;
type
union_8b = record
case integer of
1: (bytes: array[0..7] of byte);
2: (words: array[0..3] of word);
3: (dwords: array[0..1] of LongWord);
end;
function memset(const dest0: pointer; const val: integer; const count0: integer): pointer;
var
data: union_8b;
pdat: pointer;
dest: PByte;
count: integer;
begin
if mmxMachine = 0 then
begin
FillChar(dest0^, count0, val);
result := dest0;
exit;
end;
dest := PByte(dest0);
count := count0;
while (count > 0) and (integer(dest) and 7 <> 0) do
begin
dest^ := val;
inc(dest);
dec(count);