单片机intrins.h文件如何修改?可以循环移动4个字节的数据

Clap3hame3

intrins.h 这个文件，_crol_ 只能操作unsigned char 的数据，我想循环移动4个字节的数据，请问一下这个intrins.h 文件怎么改呢？还要改别的文件吗？
/*--------------------------------------------------------------------------
INTRINS.H
! q4 L* ^, z& ~, M, T
Intrinsic functions for C51.
Copyright (c) 1988-2010 Keil Elektronik GmbH and ARM Germany GmbH
% M/ L) `7 R8 C1 Q4 a& d% kAll rights reserved.
( G; y  }) K) M* c5 M  o--------------------------------------------------------------------------*/
- _( x2 }2 O) u  H) h
( N/ h6 }5 s6 A; e% N8 G: i  f+ R#ifndef __INTRINS_H__
4 K4 k7 z* j, `#define __INTRINS_H__

4 ^/ V2 `2 i7 F( w1 a# I#pragma SAVE
. s. p% Y# M3 z$ @9 f  |
2 c' L2 f5 ~+ D0 r#if defined (__CX2__)
+ F) D& `/ v5 d; Q' G#pragma FUNCTIONS(STATIC)
3 q. H1 [! G) M/* intrinsic functions are reentrant, but need static attribute */
5 s/ P0 r& ~+ s- \  v2 x#endif
- ]7 z! i7 o9 ~" o& w' X( Y
/ f$ b/ ^& P' textern void          _nop_     (void);
extern bit           _testbit_ (bit);
* j1 M3 ~! S4 W0 A+ iextern unsigned char _cror_    (unsigned char, unsigned char);
extern unsigned int  _iror_    (unsigned int,  unsigned char);
- o# k2 n/ a8 O* @! rextern unsigned long _lror_    (unsigned long, unsigned char);
extern unsigned char _crol_    (unsigned char, unsigned char);
6 F" ?5 r% i/ K+ `) D' V3 g: Hextern unsigned int  _irol_    (unsigned int,  unsigned char);
extern unsigned long _lrol_    (unsigned long, unsigned char);
extern unsigned char _chkfloat_(float);
#if defined (__CX2__)
6 x* u  P* G# u  Qextern int           abs       (int);
extern void          _illop_   (void);
/ r3 z5 u! D# f  p4 T4 Y: u* ]#endif
: A2 k1 f7 R& ]#if !defined (__CX2__)
extern void          _push_    (unsigned char _sfr);
* [* @* V' T3 N% N( O! oextern void          _pop_     (unsigned char _sfr);
#endif

  C9 Z; T$ P' Y9 H  Y# Z1 |#pragma RESTORE
8 y! U- P6 s0 G  a
#endif

scott88

不用改， _irol_    (unsigned int,  unsigned char);这个就行了

DunklopS15

+ M4 a6 N4 U* ?  f) e用这个_lrol_，就可以对long进行操作了