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trunk/xvidcore/src/portab.h revision 207, Fri Jun 14 13:06:33 2002 UTC branches/release-1_3-branch/xvidcore/src/portab.h revision 2145, Tue Oct 18 22:01:13 2016 UTC
# Line 1  Line 1 
1    /*****************************************************************************
2     *
3     *  XVID MPEG-4 VIDEO CODEC
4     *  - Portable macros, types and inlined assembly -
5     *
6     *  Copyright(C) 2002-2010 Michael Militzer <isibaar@xvid.org>
7     *               2002-2003 Peter Ross <pross@xvid.org>
8     *               2002-2003 Edouard Gomez <ed.gomez@free.fr>
9     *
10     *  This program is free software ; you can redistribute it and/or modify
11     *  it under the terms of the GNU General Public License as published by
12     *  the Free Software Foundation ; either version 2 of the License, or
13     *  (at your option) any later version.
14     *
15     *  This program is distributed in the hope that it will be useful,
16     *  but WITHOUT ANY WARRANTY ; without even the implied warranty of
17     *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18     *  GNU General Public License for more details.
19     *
20     *  You should have received a copy of the GNU General Public License
21     *  along with this program ; if not, write to the Free Software
22     *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
23     *
24     * $Id$
25     *
26     ****************************************************************************/
27    
28  #ifndef _PORTAB_H_  #ifndef _PORTAB_H_
29  #define _PORTAB_H_  #define _PORTAB_H_
30    
31  #if defined(WIN32)  /*****************************************************************************
32     *  Common things
33  #include <windows.h>   ****************************************************************************/
34  #include <stdio.h>  
35    /* Buffer size for msvc implementation because it outputs to DebugOutput */
36    #if defined(_DEBUG)
37    extern unsigned int xvid_debug;
38  #define DPRINTF_BUF_SZ  1024  #define DPRINTF_BUF_SZ  1024
 static void  
 dprintf(char *fmt,  
                 ...)  
 {  
         va_list args;  
         char buf[DPRINTF_BUF_SZ];  
   
         va_start(args, fmt);  
         vsprintf(buf, fmt, args);  
         OutputDebugString(buf);  
         fprintf(stdout, "%s\n", buf);  
 }  
   
   
 #define DEBUGCBR(A,B,C) { char tmp[100]; wsprintf(tmp, "CBR: frame: %i, quant: %i, deviation: %i\n", (A), (B), (C)); OutputDebugString(tmp); }  
   
 #ifdef _DEBUG  
 #define DEBUG(S) OutputDebugString((S));  
 #define DEBUG1(S,I) { char tmp[100]; wsprintf(tmp, "%s %i\n", (S), (I)); OutputDebugString(tmp); }  
 #define DEBUG2(X,A,B) { char tmp[100]; wsprintf(tmp, "%s %i %i\n", (X), (A), (B)); OutputDebugString(tmp); }  
 #define DEBUG3(X,A,B,C){ char tmp[1000]; wsprintf(tmp,"%s %i %i %i",(X),(A), (B), (C)); OutputDebugString(tmp); }  
 #define DEBUG4(X,A,B,C,D){ char tmp[1000]; wsprintf(tmp,"%s %i %i %i %i",(X),(A), (B), (C), (D)); OutputDebugString(tmp); }  
 #define DEBUG8(X,A,B,C,D,E,F,G,H){ char tmp[1000]; wsprintf(tmp,"%s %i %i %i %i %i %i %i %i",(X),(A),(B),(C),(D),(E),(F),(G),(H)); OutputDebugString(tmp); }  
 #else  
 #define DEBUG(S)  
 #define DEBUG1(S,I)  
 #define DEBUG2(X,A,B)  
 #define DEBUG3(X,A,B,C)  
 #define DEBUG4(X,A,B,C,D)  
 #define DEBUG8(X,A,B,C,D,E,F,G,H)  
39  #endif  #endif
40    
41    /*****************************************************************************
42     *  Types used in Xvid sources
43     ****************************************************************************/
44    
45    /*----------------------------------------------------------------------------
46      | For MSVC
47     *---------------------------------------------------------------------------*/
48    
49    #if defined(_MSC_VER) || defined (__WATCOMC__)
50  #define int8_t char  #define int8_t char
51  #define uint8_t unsigned char  #define uint8_t unsigned char
52  #define int16_t short  #define int16_t short
# Line 50  Line 56 
56  #define int64_t __int64  #define int64_t __int64
57  #define uint64_t unsigned __int64  #define uint64_t unsigned __int64
58    
59  #define EMMS() __asm {emms}  /*----------------------------------------------------------------------------
60      | For all other compilers, use the standard header file
61      | (compiler should be ISO C99 compatible, perhaps ISO C89 is enough)
62     *---------------------------------------------------------------------------*/
63    
64    #else
65    
66    #    include <inttypes.h>
67    
68    #endif
69    
70    /*****************************************************************************
71     *  Some things that are OS dependant
72     ****************************************************************************/
73    
74    #ifdef WIN32
75    
76    # include <windows.h>
77    # define pthread_t                              HANDLE
78    # define pthread_create(t,u,f,d) *(t)=CreateThread(NULL,0,f,d,0,NULL)
79    # define pthread_join(t,s)              { WaitForSingleObject(t,INFINITE); \
80                                                                            CloseHandle(t); }
81    # define sched_yield()                  Sleep(0);
82    static __inline int pthread_num_processors_np()
83    {
84            DWORD p_aff, s_aff, r = 0;
85            GetProcessAffinityMask(GetCurrentProcess(), (PDWORD_PTR) &p_aff, (PDWORD_PTR) &s_aff);
86            for(; p_aff != 0; p_aff>>=1) r += p_aff&1;
87            return r;
88    }
89    
90    #elif defined(__amigaos4__)
91    
92  #define CACHE_LINE  16  # include <pthread.h>
93    # include <proto/exec.h>
94    
95    static __inline void amiga_yield(void)
96    {
97            /* SetTaskPri() on the currently running task triggers a reschedule */
98            struct Task *me = IExec->FindTask(NULL);
99            IExec->SetTaskPri(me, me->tc_Node.ln_Pri);
100    }
101    # define sched_yield() amiga_yield()
102    
103    #elif defined(SYS_BEOS)
104    
105    # include <kernel/OS.h>
106    # define pthread_t                              thread_id
107    # define pthread_create(t,u,f,d) { *(t)=spawn_thread(f,"",10,d); \
108                                                                    resume_thread(*(t)); }
109    # define pthread_join(t,s)              wait_for_thread(t,(long*)s)
110    # define sched_yield()                  snooze(0) /* is this correct? */
111    
112    #else
113    # include <pthread.h>
114    #endif
115    
116    /*****************************************************************************
117     *  Some things that are only architecture dependant
118     ****************************************************************************/
119    
120    #if defined(ARCH_IS_32BIT)
121    #    define CACHE_LINE 64
122    #    define ptr_t uint32_t
123    #    define intptr_t int32_t
124    #    define _INTPTR_T_DEFINED
125    #    if defined(_MSC_VER) && _MSC_VER >= 1300 && !defined(__INTEL_COMPILER)
126    #        include <stdarg.h>
127    #    else
128    #        define uintptr_t uint32_t
129    #    endif
130    #elif defined(ARCH_IS_64BIT)
131    #    define CACHE_LINE  64
132    #    define ptr_t uint64_t
133    #    define intptr_t int64_t
134    #    define _INTPTR_T_DEFINED
135    #    if defined (_MSC_VER) && _MSC_VER >= 1300 && !defined(__INTEL_COMPILER)
136    #        include <stdarg.h>
137    #    else
138    #        define uintptr_t uint64_t
139    #    endif
140    #else
141    #    error You are trying to compile Xvid without defining address bus size.
142    #endif
143    
144    /*****************************************************************************
145     *  Things that must be sorted by compiler and then by architecture
146     ****************************************************************************/
147    
148    /*****************************************************************************
149     *  MSVC compiler specific macros, functions
150     ****************************************************************************/
151    
152    #if defined(_MSC_VER)
153    
154    /*----------------------------------------------------------------------------
155      | Common msvc stuff
156     *---------------------------------------------------------------------------*/
157    
158    #    include <windows.h>
159    #    include <stdio.h>
160    
161    /* Non ANSI mapping */
162    #    define snprintf _snprintf
163    #    define vsnprintf _vsnprintf
164    
165    /*
166     * This function must be declared/defined all the time because MSVC does
167     * not support C99 variable arguments macros.
168     *
169     * Btw, if the MS compiler does its job well, it should remove the nop
170     * DPRINTF function when not compiling in _DEBUG mode
171     */
172    #   ifdef _DEBUG
173    static __inline void DPRINTF(int level, char *fmt, ...)
174    {
175            if (xvid_debug & level) {
176                    va_list args;
177                    char buf[DPRINTF_BUF_SZ];
178                    va_start(args, fmt);
179                    vsprintf(buf, fmt, args);
180                    va_end(args);
181                    OutputDebugStringA(buf);
182                    fprintf(stderr, "%s", buf);
183            }
184    }
185    #    else
186    static __inline void DPRINTF(int level, char *fmt, ...) {}
187    #    endif
188    
189  #if _MSC_VER <= 1200  #if _MSC_VER <= 1200
190  #define DECLARE_ALIGNED_MATRIX(name,sizex,sizey,type,alignment) \  #define DECLARE_ALIGNED_MATRIX(name,sizex,sizey,type,alignment) \
# Line 63  Line 195 
195          __declspec(align(alignment)) type name[(sizex)*(sizey)]          __declspec(align(alignment)) type name[(sizex)*(sizey)]
196  #endif  #endif
197    
198  // needed for bitstream.h  
199    /*----------------------------------------------------------------------------
200      | msvc x86 specific macros/functions
201     *---------------------------------------------------------------------------*/
202    #    if defined(ARCH_IS_IA32)
203  #define BSWAP(a) __asm mov eax,a __asm bswap eax __asm mov a, eax  #define BSWAP(a) __asm mov eax,a __asm bswap eax __asm mov a, eax
204    
205  // needed for timer.c  static __inline int64_t read_counter(void)
 static __inline int64_t  
 read_counter()  
206  {  {
207          int64_t ts;          int64_t ts;
208          uint32_t ts1, ts2;          uint32_t ts1, ts2;
   
209          __asm {          __asm {
210                  rdtsc                  rdtsc
211                  mov ts1, eax                  mov ts1, eax
212                  mov ts2, edx                  mov ts2, edx
213          }          }
   
214          ts = ((uint64_t) ts2 << 32) | ((uint64_t) ts1);          ts = ((uint64_t) ts2 << 32) | ((uint64_t) ts1);
   
215          return ts;          return ts;
216  }  }
217    
218  #elif defined(LINUX) || defined(DJGPP) || defined(FREEBSD)  #    elif defined(ARCH_IS_X86_64)
219    
220    #    include <intrin.h>
221    
222    #    define BSWAP(a) ((a) = _byteswap_ulong(a))
223    
224    static __inline int64_t read_counter(void) { return __rdtsc(); }
225    
226    /*----------------------------------------------------------------------------
227      | msvc GENERIC (plain C only) - Probably alpha or some embedded device
228     *---------------------------------------------------------------------------*/
229    #    elif defined(ARCH_IS_GENERIC)
230    #        define BSWAP(a) \
231            ((a) = (((a) & 0xff) << 24)  | (((a) & 0xff00) << 8) | \
232             (((a) >> 8) & 0xff00) | (((a) >> 24) & 0xff))
233    
234    #        include <time.h>
235    static __inline int64_t read_counter(void)
236    {
237            return (int64_t)clock();
238    }
239    
240    /*----------------------------------------------------------------------------
241      | msvc Not given architecture - This is probably an user who tries to build
242      | Xvid the wrong way.
243     *---------------------------------------------------------------------------*/
244    #    else
245    #        error You are trying to compile Xvid without defining the architecture type.
246    #    endif
247    
248    
249    
250    
251    /*****************************************************************************
252     *  GNU CC compiler stuff
253     ****************************************************************************/
254    
255    #elif defined(__GNUC__) || defined(__ICC) /* Compiler test */
256    
257    /*----------------------------------------------------------------------------
258      | Common gcc stuff
259     *---------------------------------------------------------------------------*/
260    
261    /*
262     * As gcc is (mostly) C99 compliant, we define DPRINTF only if it's realy needed
263     * and it's a macro calling fprintf directly
264     */
265  #ifdef _DEBUG  #ifdef _DEBUG
266    
267    /* Needed for all debuf fprintf calls */
268  #include <stdio.h>  #include <stdio.h>
269  #define DEBUG_WHERE               stdout  #       include <stdarg.h>
 #define DEBUG(S)                  fprintf(DEBUG_WHERE, "%s\n", (S));  
 #define DEBUG1(S,I)               fprintf(DEBUG_WHERE, "%s %i\n", (S), (I))  
 #define DEBUG2(S,A,B)             fprintf(DEBUG_WHERE, "%s%i=%i\n", (S), (A), (B))  
 #define DEBUG3(S,A,B,C)           fprintf(DEBUG_WHERE, "%s %i %x %x\n", (S), (A), (B), (C))  
 #define DEBUG8(S,A,B,C,D,E,F,G,H)  
 #define DEBUGCBR(A,B,C)           fprintf(DEBUG_WHERE, "CBR: frame: %i, quant: %i, deviation: %i\n", (A), (B), (C))  
 #else  
 #define DEBUG(S)  
 #define DEBUG1(S,I)  
 #define DEBUG2(X,A,B)  
 #define DEBUG3(X,A,B,C)  
 #define DEBUG8(X,A,B,C,D,E,F,G,H)  
 #define DEBUGCBR(A,B,C)  
 #endif  
270    
271  #define CACHE_LINE  16  static __inline void DPRINTF(int level, char *format, ...)
272    {
273            va_list args;
274            va_start(args, format);
275            if(xvid_debug & level) {
276                    vfprintf(stderr, format, args);
277            }
278            va_end(args);
279    }
280    
281  #if defined(LINUX)  #    else /* _DEBUG */
282    static __inline void DPRINTF(int level, char *format, ...) {}
283    #    endif /* _DEBUG */
284    
 #include <stdint.h>  
285    
286  #define DECLARE_ALIGNED_MATRIX(name,sizex,sizey,type,alignment) \  #define DECLARE_ALIGNED_MATRIX(name,sizex,sizey,type,alignment) \
287          type name##_storage[(sizex)*(sizey)+(alignment)-1]; \          type name##_storage[(sizex)*(sizey)+(alignment)-1]; \
288          type * name = (type *) (((int32_t) name##_storage+(alignment - 1)) & ~((int32_t)(alignment)-1))  type * name = (type *) (((ptr_t) name##_storage+(alignment - 1)) & ~((ptr_t)(alignment)-1))
289    
290  #else  /*----------------------------------------------------------------------------
291      | gcc IA32 specific macros/functions
292  #define DECLARE_ALIGNED_MATRIX(name,sizex,sizey,type,alignment) \   *---------------------------------------------------------------------------*/
293          __attribute__ ((__aligned__(CACHE_LINE))) type name[(sizex)*(sizey)]  #    if defined(ARCH_IS_IA32) || defined(ARCH_IS_X86_64)
294    #        define BSWAP(a) __asm__ ( "bswapl %0\n" : "=r" (a) : "0" (a) );
295    
296  #define int8_t   char  static __inline int64_t read_counter(void)
297  #define uint8_t  unsigned char  {
298  #define int16_t  short          int64_t ts;
299  #define uint16_t unsigned short          uint32_t ts1, ts2;
300  #define int32_t  int          __asm__ __volatile__("rdtsc\n\t":"=a"(ts1), "=d"(ts2));
301  #define uint32_t unsigned int          ts = ((uint64_t) ts2 << 32) | ((uint64_t) ts1);
302  #define int64_t  long long          return ts;
303  #define uint64_t unsigned long long  }
304    
305    /*----------------------------------------------------------------------------
306      | gcc PPC and PPC Altivec specific macros/functions
307     *---------------------------------------------------------------------------*/
308    #    elif defined(ARCH_IS_PPC)
309    
310    #        if defined(HAVE_ALTIVEC_PARENTHESES_DECL)
311    #            define AVV(x...) (x)
312    #        elif defined(HAVE_ALTIVEC_BRACES_DECL)
313    #            define AVV(x...) {x}
314    #        else
315    #            error Trying to compile PPC target without a vector declaration type.
316  #endif  #endif
317    
318    #        define BSWAP(a) __asm__ __volatile__ \
319            ( "lwbrx %0,0,%1; eieio" : "=r" (a) : "r" (&(a)), "m" (a));
320    
321  // needed for bitstream.h  static __inline unsigned long get_tbl(void)
 #ifdef ARCH_PPC  
 #define BSWAP(a) __asm__ __volatile__ ( "lwbrx %0,0,%1; eieio" : "=r" (a) : \  
                 "r" (&(a)), "m" (a));  
 #define EMMS()  
   
 static __inline unsigned long  
 get_tbl(void)  
322  {  {
323          unsigned long tbl;          unsigned long tbl;
324          asm volatile ("mftb %0":"=r" (tbl));          asm volatile ("mftb %0":"=r" (tbl));
   
325          return tbl;          return tbl;
326  }  }
327  static __inline unsigned long  
328  get_tbu(void)  static __inline unsigned long get_tbu(void)
329  {  {
330          unsigned long tbl;          unsigned long tbl;
331          asm volatile ("mftbu %0":"=r" (tbl));          asm volatile ("mftbu %0":"=r" (tbl));
   
332          return tbl;          return tbl;
333  }  }
334  static __inline int64_t  
335  read_counter()  static __inline int64_t read_counter(void)
336  {  {
337          unsigned long tb, tu;          unsigned long tb, tu;
   
338          do {          do {
339                  tu = get_tbu();                  tu = get_tbu();
340                  tb = get_tbl();                  tb = get_tbl();
341          } while (tb != get_tbl());          } while (tb != get_tbl());
342          return (((int64_t) tu) << 32) | (int64_t) tb;          return (((int64_t) tu) << 32) | (int64_t) tb;
343  }  }
344    
345    /*----------------------------------------------------------------------------
346      | gcc IA64 specific macros/functions
347     *---------------------------------------------------------------------------*/
348    #    elif defined(ARCH_IS_IA64)
349    #        define BSWAP(a)  __asm__ __volatile__ \
350            ("mux1 %0 = %1, @rev" ";;" \
351             "shr.u %0 = %0, 32" : "=r" (a) : "r" (a));
352    
353    static __inline int64_t read_counter(void)
354    {
355            unsigned long result;
356            __asm__ __volatile__("mov %0=ar.itc" : "=r"(result) :: "memory");
357            return result;
358    }
359    
360    /*----------------------------------------------------------------------------
361      | gcc GENERIC (plain C only) specific macros/functions
362     *---------------------------------------------------------------------------*/
363    #    elif defined(ARCH_IS_GENERIC)
364    #        define BSWAP(a) \
365            ((a) = (((a) & 0xff) << 24)  | (((a) & 0xff00) << 8) | \
366             (((a) >> 8) & 0xff00) | (((a) >> 24) & 0xff))
367    
368    #        include <time.h>
369    static __inline int64_t read_counter(void)
370    {
371            return (int64_t)clock();
372    }
373    
374    /*----------------------------------------------------------------------------
375      | gcc Not given architecture - This is probably an user who tries to build
376      | Xvid the wrong way.
377     *---------------------------------------------------------------------------*/
378  #else  #else
379  #define BSWAP(a) __asm__ ( "bswapl %0\n" : "=r" (a) : "0" (a) )  #        error You are trying to compile Xvid without defining the architecture type.
380  #define EMMS() __asm__("emms\n\t")  #    endif
381    
382    
383    
384    
385  // needed for timer.c  /*****************************************************************************
386  static __inline int64_t   *  Open WATCOM C/C++ compiler
387  read_counter()   ****************************************************************************/
388    
389    #elif defined(__WATCOMC__)
390    
391    #    include <stdio.h>
392    #    include <stdarg.h>
393    
394    #    ifdef _DEBUG
395    static __inline void DPRINTF(int level, char *fmt, ...)
396  {  {
397          int64_t ts;          if (xvid_debug & level) {
398          uint32_t ts1, ts2;                  va_list args;
399                    char buf[DPRINTF_BUF_SZ];
400                    va_start(args, fmt);
401                    vsprintf(buf, fmt, args);
402                    va_end(args);
403                    fprintf(stderr, "%s", buf);
404            }
405    }
406    #    else /* _DEBUG */
407    static __inline void DPRINTF(int level, char *format, ...) {}
408    #    endif /* _DEBUG */
409    
410    #        define DECLARE_ALIGNED_MATRIX(name,sizex,sizey,type,alignment) \
411            type name##_storage[(sizex)*(sizey)+(alignment)-1]; \
412    type * name = (type *) (((int32_t) name##_storage+(alignment - 1)) & ~((int32_t)(alignment)-1))
413    
414          __asm__ __volatile__("rdtsc\n\t":"=a"(ts1),  /*----------------------------------------------------------------------------
415                                                   "=d"(ts2));    | watcom ia32 specific macros/functions
416     *---------------------------------------------------------------------------*/
417    #    if defined(ARCH_IS_IA32) || defined(ARCH_IS_X86_64)
418    
419          ts = ((uint64_t) ts2 << 32) | ((uint64_t) ts1);  #        define BSWAP(a)  __asm mov eax,a __asm bswap eax __asm mov a, eax
420    
421    static __inline int64_t read_counter(void)
422    {
423            uint64_t ts;
424            uint32_t ts1, ts2;
425            __asm {
426                    rdtsc
427                            mov ts1, eax
428                            mov ts2, edx
429            }
430            ts = ((uint64_t) ts2 << 32) | ((uint64_t) ts1);
431          return ts;          return ts;
432  }  }
433    
434    /*----------------------------------------------------------------------------
435      | watcom GENERIC (plain C only) specific macros/functions.
436     *---------------------------------------------------------------------------*/
437    #    elif defined(ARCH_IS_GENERIC)
438    
439    #        define BSWAP(x) \
440            x = ((((x) & 0xff000000) >> 24) | \
441                            (((x) & 0x00ff0000) >>  8) | \
442                            (((x) & 0x0000ff00) <<  8) | \
443                            (((x) & 0x000000ff) << 24))
444    
445    static int64_t read_counter() { return 0; }
446    
447    /*----------------------------------------------------------------------------
448      | watcom Not given architecture - This is probably an user who tries to build
449      | Xvid the wrong way.
450     *---------------------------------------------------------------------------*/
451    #    else
452    #        error You are trying to compile Xvid without defining the architecture type.
453  #endif  #endif
454    
 #else                                                   // OTHER OS  
455    
456  #define DEBUG(S)  /*****************************************************************************
457  #define DEBUG1(S,I)   *  Unknown compiler
458  #define DEBUG2(X,A,B)   ****************************************************************************/
459  #define DEBUG3(X,A,B,C)  #else /* Compiler test */
460  #define DEBUG8(X,A,B,C,D,E,F,G,H)  
461  #define DEBUGCBR(A,B,C)  /*
462     * Ok we know nothing about the compiler, so we fallback to ANSI C
463     * features, so every compiler should be happy and compile the code.
464     *
465     * This is (mostly) equivalent to ARCH_IS_GENERIC.
466     */
467    
468  #include <inttypes.h>  #    ifdef _DEBUG
469    
470  #define EMMS()  /* Needed for all debuf fprintf calls */
471    #       include <stdio.h>
472    #       include <stdarg.h>
473    
474    static __inline void DPRINTF(int level, char *format, ...)
475    {
476            va_list args;
477            va_start(args, format);
478            if(xvid_debug & level) {
479                    vfprintf(stderr, format, args);
480            }
481            va_end(args);
482    }
483    
484    #    else /* _DEBUG */
485    static __inline void DPRINTF(int level, char *format, ...) {}
486    #    endif /* _DEBUG */
487    
 // needed for bitstream.h  
488  #define BSWAP(a) \  #define BSWAP(a) \
489           ((a) = ( ((a)&0xff)<<24) | (((a)&0xff00)<<8) | (((a)>>8)&0xff00) | (((a)>>24)&0xff))          ((a) = (((a) & 0xff) << 24)  | (((a) & 0xff00) << 8) | \
490             (((a) >> 8) & 0xff00) | (((a) >> 24) & 0xff))
491    
492  // rdtsc command most likely not supported,  #    include <time.h>
493  // so just dummy code here  static __inline int64_t read_counter(void)
 static __inline int64_t  
 read_counter()  
494  {  {
495          return 0;          return (int64_t)clock();
496  }  }
497    
 #define CACHE_LINE  16  
 #define CACHE_ALIGN  
498  #define DECLARE_ALIGNED_MATRIX(name,sizex,sizey,type,alignment) \  #define DECLARE_ALIGNED_MATRIX(name,sizex,sizey,type,alignment) \
499          type name[(sizex)*(sizey)]          type name[(sizex)*(sizey)]
500    
501  #endif  #endif /* Compiler test */
502    
503    
504  #endif                                                  // _PORTAB_H_  #endif /* PORTAB_H */
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