linux/arch/avr32/lib/__avr32_lsr64.S
<<
>>
Prefs
   1/*
   2 * Copyright (C) 2005-2006 Atmel Corporation
   3 *
   4 * This program is free software; you can redistribute it and/or modify
   5 * it under the terms of the GNU General Public License version 2 as
   6 * published by the Free Software Foundation.
   7 */
   8
   9        /*
  10         * DWtype __avr32_lsr64(DWtype u, word_type b)
  11         */
  12        .text
  13        .global __avr32_lsr64
  14        .type   __avr32_lsr64,@function
  15__avr32_lsr64:
  16        cp.w    r12, 0
  17        reteq   r12
  18
  19        rsub    r9, r12, 32
  20        brle    1f
  21
  22        lsl     r8, r11, r9
  23        lsr     r11, r11, r12
  24        lsr     r10, r10, r12
  25        or      r10, r8
  26        retal   r12
  27
  281:      neg     r9
  29        lsr     r10, r11, r9
  30        mov     r11, 0
  31        retal   r12
  32