llcmpne.s

来自「基于EP7312的MP3播放器源代码,包括MCU和PC端代码.」· S 代码 · 共 31 行

//****************************************************************************
//
// LLCMPNE.S - Routine to see if two 64-bit values are not equal.
//
// Copyright (c) 1999,2000,2001 Cirrus Logic, Inc.
//
//****************************************************************************

#include "../../asmdefs.h"

//****************************************************************************
//
// Read-only code area.
//
//****************************************************************************
    _TEXT_

//****************************************************************************
//
// Compare two 64-bit values to see if they are not equal.
//
//****************************************************************************
    _EXPORT_ _ll_cmpne
_ll_cmpne _LABEL_
    subs    r0, r0, r2
    cmpeq   r1, r3
    movne   r0, _CONST_ 1
    mov     pc, r14

    _END_