arch/arm/lib/ucmpdi2.S

   1 /*
   2  *  linux/arch/arm/lib/ucmpdi2.S
   3  *
   4  *  Author:     Nicolas Pitre
   5  *  Created:    Oct 19, 2005
   6  *  Copyright:  Monta Vista Software, Inc.
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License version 2 as
  10  *  published by the Free Software Foundation.
  11  */
  12
  13 #include <linux/linkage.h>
  14
  15 #ifdef __ARMEB__
  16 #define xh r0
  17 #define xl r1
  18 #define yh r2
  19 #define yl r3
  20 #else
  21 #define xl r0
  22 #define xh r1
  23 #define yl r2
  24 #define yh r3
  25 #endif
  26
  27 ENTRY(__ucmpdi2)
  28
  29         cmp     xh, yh
  30         cmpeq   xl, yl
  31         movlo   r0, #0
  32         moveq   r0, #1
  33         movhi   r0, #2
  34         mov     pc, lr
  35
  36 ENDPROC(__ucmpdi2)
  37
  38 #ifdef CONFIG_AEABI
  39
  40 ENTRY(__aeabi_ulcmp)
  41
  42         cmp     xh, yh
  43         cmpeq   xl, yl
  44         movlo   r0, #-1
  45         moveq   r0, #0
  46         movhi   r0, #1
  47         mov     pc, lr
  48
  49 ENDPROC(__aeabi_ulcmp)
  50
  51 #endif
  52