问统一iOS和安卓系统上的霓虹灯组件

EN

example.S

#ifdef __MACH__

; iOS
.macro TestMacro
    vext.8 $2, $0, $1, #1
.endm

#else//__MACH__

; Android NDK
.macro TestMacro ref,src,dst
    vext.8 \dst,\ref,\src, #1
.endm

#endif//__MACH__

#include "macros.h"

.macro M_DEMO M3ARGS
   #define ref MARG0
   #define src MARG1
   #define dst MARG2

   vext.8 dst, ref, src, #1

   #undef ref
   #undef src
   #undef dst
.endm

#ifndef __MACROS_H__
#define __MACROS_H__

#ifdef __MACH__

    /*
     * iOS macro support
     */

    // Number of arguments in macro definition
    #define M0ARGS
    #define M1ARGS
    #define M2ARGS
    #define M3ARGS
    #define M4ARGS
    #define M5ARGS
    #define M6ARGS
    #define M7ARGS
    #define M8ARGS
    #define M9ARGS
    #define M10ARGS

    // Macro arguments
    #define MARG0 $0
    #define MARG1 $1
    #define MARG2 $2
    #define MARG3 $3
    #define MARG4 $4
    #define MARG5 $5
    #define MARG6 $6
    #define MARG7 $7
    #define MARG8 $8
    #define MARG9 $9

#else

    /* 
     * Android macro support
     */

    // Number of arguments in macro definition
    #define M0ARGS
    #define M1ARGS  $0
    #define M2ARGS  $0, $1
    #define M3ARGS  $0, $1, $2
    #define M4ARGS  $0, $1, $2, $3
    #define M5ARGS  $0, $1, $2, $3, $4
    #define M6ARGS  $0, $1, $2, $3, $4, $5
    #define M7ARGS  $0, $1, $2, $3, $4, $5, $6
    #define M8ARGS  $0, $1, $2, $3, $4, $5, $6, $7
    #define M9ARGS  $0, $1, $2, $3, $4, $5, $6, $7, $8
    #define M10ARGS $0, $1, $2, $3, $4, $5, $6, $7, $8, $9

    // Macro arguments
    #define MARG0 \$0
    #define MARG1 \$1
    #define MARG2 \$2
    #define MARG3 \$3
    #define MARG4 \$4
    #define MARG5 \$5
    #define MARG6 \$6
    #define MARG7 \$7
    #define MARG8 \$8
    #define MARG9 \$9

#endif

#endif // __MACROS_H__