qt/md/mips_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         .ent b_null
  20 b_null:
  21         j $31
  22         .end b_null
  23
  24         .ent b_call_reg
  25 b_call_reg:
  26         la $5,b_null
  27         add $6, $31,0
  28 $L0:
  29         jal $5
  30         jal $5
  31         jal $5
  32         jal $5
  33         jal $5
  34
  35         sub $4, $4,5
  36         bgtz $4,$L0
  37         j $6
  38         .end
  39
  40
  41         .ent b_call_imm
  42 b_call_imm:
  43         add $6, $31,0
  44 $L1:
  45         jal b_null
  46         jal b_null
  47         jal b_null
  48         jal b_null
  49         jal b_null
  50
  51         sub $4, $4,5
  52         bgtz $4,$L1
  53         j $6
  54         .end
  55
  56
  57         .ent b_add
  58 b_add:
  59         add $5, $0,$4
  60         add $6, $0,$4
  61         add $7, $0,$4
  62         add $8, $0,$4
  63 $L2:
  64         sub $4, $4,5
  65         sub $5, $5,5
  66         sub $6, $6,5
  67         sub $7, $7,5
  68         sub $8, $8,5
  69
  70         sub $4, $4,5
  71         sub $5, $5,5
  72         sub $6, $6,5
  73         sub $7, $7,5
  74         sub $8, $8,5
  75
  76         bgtz $4,$L2
  77         j $31
  78         .end
  79
  80
  81         .ent b_load
  82 b_load:
  83 $L3:
  84         ld $0, 0($sp)
  85         ld $0, 4($sp)
  86         ld $0, 8($sp)
  87         ld $0, 12($sp)
  88         ld $0, 16($sp)
  89
  90         ld $0, 20($sp)
  91         ld $0, 24($sp)
  92         ld $0, 28($sp)
  93         ld $0, 32($sp)
  94         ld $0, 36($sp)
  95
  96         sub $4, $4,10
  97         bgtz $4,$L3
  98         j $31
  99         .end