git.sur5r.net Git - u-boot/blob - arch/sh/lib/ashiftrt.S

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /* Copyright (C) 1994, 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
   3    2004, 2005, 2006
   4    Free Software Foundation, Inc.
   5  */
   6
   7 !! libgcc routines for the Renesas / SuperH SH CPUs.
   8 !! Contributed by Steve Chamberlain.
   9 !! sac@cygnus.com
  10
  11 !! ashiftrt_r4_x, ___ashrsi3, ___ashlsi3, ___lshrsi3 routines
  12 !! recoded in assembly by Toshiyasu Morita
  13 !! tm@netcom.com
  14
  15 /* SH2 optimizations for ___ashrsi3, ___ashlsi3, ___lshrsi3 and
  16    ELF local label prefixes by J"orn Rennecke
  17    amylaar@cygnus.com  */
  18
  19         .global __ashiftrt_r4_0
  20         .global __ashiftrt_r4_1
  21         .global __ashiftrt_r4_2
  22         .global __ashiftrt_r4_3
  23         .global __ashiftrt_r4_4
  24         .global __ashiftrt_r4_5
  25         .global __ashiftrt_r4_6
  26         .global __ashiftrt_r4_7
  27         .global __ashiftrt_r4_8
  28         .global __ashiftrt_r4_9
  29         .global __ashiftrt_r4_10
  30         .global __ashiftrt_r4_11
  31         .global __ashiftrt_r4_12
  32         .global __ashiftrt_r4_13
  33         .global __ashiftrt_r4_14
  34         .global __ashiftrt_r4_15
  35         .global __ashiftrt_r4_16
  36         .global __ashiftrt_r4_17
  37         .global __ashiftrt_r4_18
  38         .global __ashiftrt_r4_19
  39         .global __ashiftrt_r4_20
  40         .global __ashiftrt_r4_21
  41         .global __ashiftrt_r4_22
  42         .global __ashiftrt_r4_23
  43         .global __ashiftrt_r4_24
  44         .global __ashiftrt_r4_25
  45         .global __ashiftrt_r4_26
  46         .global __ashiftrt_r4_27
  47         .global __ashiftrt_r4_28
  48         .global __ashiftrt_r4_29
  49         .global __ashiftrt_r4_30
  50         .global __ashiftrt_r4_31
  51         .global __ashiftrt_r4_32
  52
  53         .align  1
  54 __ashiftrt_r4_32:
  55 __ashiftrt_r4_31:
  56         rotcl   r4
  57         rts
  58         subc    r4,r4
  59 __ashiftrt_r4_30:
  60         shar    r4
  61 __ashiftrt_r4_29:
  62         shar    r4
  63 __ashiftrt_r4_28:
  64         shar    r4
  65 __ashiftrt_r4_27:
  66         shar    r4
  67 __ashiftrt_r4_26:
  68         shar    r4
  69 __ashiftrt_r4_25:
  70         shar    r4
  71 __ashiftrt_r4_24:
  72         shlr16  r4
  73         shlr8   r4
  74         rts
  75         exts.b  r4,r4
  76 __ashiftrt_r4_23:
  77         shar    r4
  78 __ashiftrt_r4_22:
  79         shar    r4
  80 __ashiftrt_r4_21:
  81         shar    r4
  82 __ashiftrt_r4_20:
  83         shar    r4
  84 __ashiftrt_r4_19:
  85         shar    r4
  86 __ashiftrt_r4_18:
  87         shar    r4
  88 __ashiftrt_r4_17:
  89         shar    r4
  90 __ashiftrt_r4_16:
  91         shlr16  r4
  92         rts
  93         exts.w  r4,r4
  94 __ashiftrt_r4_15:
  95         shar    r4
  96 __ashiftrt_r4_14:
  97         shar    r4
  98 __ashiftrt_r4_13:
  99         shar    r4
 100 __ashiftrt_r4_12:
 101         shar    r4
 102 __ashiftrt_r4_11:
 103         shar    r4
 104 __ashiftrt_r4_10:
 105         shar    r4
 106 __ashiftrt_r4_9:
 107         shar    r4
 108 __ashiftrt_r4_8:
 109         shar    r4
 110 __ashiftrt_r4_7:
 111         shar    r4
 112 __ashiftrt_r4_6:
 113         shar    r4
 114 __ashiftrt_r4_5:
 115         shar    r4
 116 __ashiftrt_r4_4:
 117         shar    r4
 118 __ashiftrt_r4_3:
 119         shar    r4
 120 __ashiftrt_r4_2:
 121         shar    r4
 122 __ashiftrt_r4_1:
 123         rts
 124         shar    r4
 125 __ashiftrt_r4_0:
 126         rts
 127         nop