qt/md/_sparc_b.s

   1 /*
   2  * QuickThreads -- Threads-building toolkit.
   3  * Copyright (c) 1993 by David Keppel
   4  *
   5  * Permission to use, copy, modify and distribute this software and
   6  * its documentation for any purpose and without fee is hereby
   7  * granted, provided that the above copyright notice and this notice
   8  * appear in all copies.  This software is provided as a
   9  * proof-of-concept and for demonstration purposes; there is no
  10  * representation about the suitability of this software for any
  11  * purpose.
  12  */
  13
  14         .globl _b_call_reg
  15         .globl _b_call_imm
  16         .globl _b_add
  17         .globl _b_load
  18
  19 _b_null:
  20         retl
  21         nop
  22
  23 _b_call_reg:
  24         sethi %hi(_b_null),%o4
  25         or %o4,%lo(_b_null),%o4
  26         add %o7,%g0, %o3
  27 L0:
  28         call %o4
  29         nop
  30         call %o4
  31         nop
  32         call %o4
  33         nop
  34         call %o4
  35         nop
  36         call %o4
  37         nop
  38
  39         subcc %o0,1,%o0
  40         bg L0
  41         nop
  42         add %o3,%g0, %o7
  43         retl
  44         nop
  45
  46 _b_call_imm:
  47         sethi %hi(_b_null),%o4
  48         or %o4,%lo(_b_null),%o4
  49         add %o7,%g0, %o3
  50 L1:
  51         call _b_null
  52         call _b_null
  53         call _b_null
  54         call _b_null
  55         call _b_null
  56
  57         subcc %o0,1,%o0
  58         bg L0
  59         nop
  60         add %o3,%g0, %o7
  61         retl
  62         nop
  63
  64
  65 _b_add:
  66         add %o0,%g0,%o1
  67         add %o0,%g0,%o2
  68         add %o0,%g0,%o3
  69         add %o0,%g0,%o4
  70 L2:
  71         sub %o0,5,%o0
  72         sub %o1,5,%o1
  73         sub %o2,5,%o2
  74         sub %o3,5,%o3
  75         sub %o4,5,%o4
  76
  77         subcc %o0,5,%o0
  78         sub %o1,5,%o1
  79         sub %o2,5,%o2
  80         sub %o3,5,%o3
  81         sub %o4,5,%o4
  82
  83         bg L2
  84         nop
  85         retl
  86         nop
  87
  88
  89 _b_load:
  90         ld [%sp+ 0], %g0
  91 L3:
  92         ld [%sp+ 4],%g0
  93         ld [%sp+ 8],%g0
  94         ld [%sp+12],%g0
  95         ld [%sp+16],%g0
  96         ld [%sp+20],%g0
  97         ld [%sp+24],%g0
  98         ld [%sp+28],%g0
  99         ld [%sp+32],%g0
 100         ld [%sp+36],%g0
 101
 102         subcc %o0,10,%o0
 103         bg L3
 104         ld [%sp+ 0],%g0
 105         retl
 106         nop