Last change
on this file since 376 was 2, checked in by Rick van der Zwet, 15 years ago |
Initial import of data of old repository ('data') worth keeping (e.g. tracking
means of URL access statistics)
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File size:
2.5 KB
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1 | #/* Author : Rick van der Zwet
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2 | # * S-number : 0433373
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3 | # * Version : $Id: myprog-optimized.s 237 2007-09-19 13:19:08Z rick $
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4 | # * Copyright : FreeBSD Licence
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5 | # */
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6 | # space declaration to be used for the printf statement
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7 | .data
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8 | .align 4
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9 | space: .asciiz " "
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10 | .align 4
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11 | # array A reservation 80/4 means a 20 in size
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12 | A: .space 80
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13 | .align i
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14 | # array B, same size as array A
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15 | B: .space 80
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16 | .align 4
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17 | # declaration of integer C
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18 | C: .word C
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19 | .align 4
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20 | # declaration of integer i
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21 | i: .word i
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22 | .text
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23 | .align 4
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24 | .ent main
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25 | main:
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26 | # init of C
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27 | li $4,0x0000002a # 42
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28 | sw $4,C
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29 |
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30 |
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31 | #Define B[1] - B[19]
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32 | la $2,B
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33 | li $3,0x00000001 # 1
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34 | sw $3,4($2)
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35 | li $3,0x00000002
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36 | sw $3,8($2)
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37 | li $3,0x00000003
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38 | sw $3,12($2)
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39 | li $3,0x00000004
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40 | sw $3,16($2)
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41 | li $3,0x00000005
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42 | sw $3,20($2)
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43 | li $3,0x00000006
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44 | sw $3,24($2)
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45 | li $3,0x00000007
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46 | sw $3,28($2)
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47 | li $3,0x00000008
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48 | sw $3,32($2)
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49 | li $3,0x00000009
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50 | sw $3,36($2)
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51 | li $3,0x0000000a #10
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52 | sw $3,40($2)
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53 | li $3,0x0000000b
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54 | sw $3,44($2)
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55 | li $3,0x0000000c
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56 | sw $3,48($2)
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57 | li $3,0x0000000d
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58 | sw $3,52($2)
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59 | li $3,0x0000000e
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60 | sw $3,56($2)
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61 | li $3,0x0000000f
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62 | sw $3,60($2)
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63 | li $3,0x00000010
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64 | sw $3,64($2)
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65 | li $3,0x00000011
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66 | sw $3,68($2)
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67 | li $3,0x00000012
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68 | sw $3,72($2)
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69 | li $3,0x00000013
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70 | sw $3,76($2)
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71 |
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72 | #Special hack for A[1], cause B[0] is not defined
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73 | lw $3,0($2)
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74 | addu $3,$3,$4
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75 | la $2,A
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76 | sw $3,4($2)
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77 |
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78 | #Define A[2] - A[19]
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79 | li $3,0x0000002b # 42 + 1 = 43
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80 | sw $3,8($2)
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81 | li $3,0x0000002c # 44
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82 | sw $3,12($2)
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83 | li $3,0x0000002d # 45
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84 | sw $3,16($2)
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85 | li $3,0x0000002e # 46
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86 | sw $3,20($2)
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87 | li $3,0x0000002f # 47
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88 | sw $3,24($2)
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89 | li $3,0x00000030 # 48
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90 | sw $3,28($2)
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91 | li $3,0x00000031 # 49
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92 | sw $3,32($2)
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93 | li $3,0x00000032 # 50
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94 | sw $3,36($2)
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95 | li $3,0x00000033 # 51
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96 | sw $3,40($2)
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97 | li $3,0x00000034 # 52
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98 | sw $3,44($2)
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99 | li $3,0x00000035 # 53
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100 | sw $3,48($2)
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101 | li $3,0x00000036 # 54
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102 | sw $3,52($2)
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103 | li $3,0x00000037 # 55
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104 | sw $3,56($2)
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105 | li $3,0x00000038 # 56
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106 | sw $3,60($2)
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107 | li $3,0x00000039 # 57
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108 | sw $3,64($2)
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109 | li $3,0x0000003a # 58
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110 | sw $3,68($2)
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111 | li $3,0x0000003b # 59
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112 | sw $3,72($2)
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113 | li $3,0x0000003c # 60
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114 | sw $3,76($2)
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115 |
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116 | # set the end registers to the end values
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117 | #(last value of i, last loop compare)
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118 | li $2,0x00000014 # 20
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119 | sw $2, i
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120 | # (last loop compare)
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121 | li $3,0x00000000 # 0
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122 |
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123 | # Required output "60 19 20"
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124 | # the print statements
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125 | li $v0,1
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126 | la $3,A
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127 | lw $a0,76($3)
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128 | syscall #print A[19]
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129 |
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130 | li $v0, 4 # system call code for print_str
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131 | la $a0, space # address of string to print
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132 | syscall # print the string " "
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133 |
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134 | li $v0, 1
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135 | la $3,B
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136 | lw $a0,76($3)
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137 | syscall #print B[19]
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138 |
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139 | li $v0, 4 #
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140 | la $a0, space #
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141 | syscall # print the string " "
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142 |
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143 | li $v0,1
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144 | la $3,i
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145 | lw $a0,0($3)
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146 | syscall #print i
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147 | $L1:
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148 | .end main
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