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URL https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk

Subversion Repositories openrisc_2011-10-31

[/] [openrisc/] [trunk/] [bootloaders/] [orpmon/] [common/] [or32.S] - Blame information for rev 248

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Line No. Rev Author Line
1 2 marcus.erl 
        .align 4
2 
        .global ___udivsi3
3 
___udivsi3:
4 
        l.addi          r1,r1,-4
5 
        l.sw            0(r1),r9
6 
        l.addi          r11,r0,0
7 
        l.addi          r8,r4,0
8 
        l.addi          r5,r3,0
9 
        l.sfne          r8,r11
10 
        l.bnf           4f
11 
        l.addi          r7,r0,0
12 
        l.sfgtu         r8,r5
13 
        l.bf            5f
14 
        l.sfeq          r8,r5
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        l.bf            6f
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        l.sfltu         r11,r8
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        l.bnf           2f
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        l.addi          r13,r0,32
19 
        l.movhi         r9,hi(0x80000000)
20 
        l.addi          r6,r0,-1
21 
1:
22 
        l.and           r3,r5,r9
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        l.slli          r4,r7,1
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        l.addi          r15,r5,0
25 
        l.srli          r3,r3,31
26 
        l.add           r13,r13,r6
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        l.or            r7,r4,r3
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        l.sfltu         r7,r8
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        l.bf            1b
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        l.slli          r5,r5,1
31 
2:
32 
        l.srli          r7,r7,1
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        l.addi          r13,r13,1
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        l.addi          r9,r0,0
35 
        l.sfltu         r9,r13
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        l.bnf           4f
37 
        l.addi          r5,r15,0
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        l.movhi         r15,hi(0x80000000)
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        l.addi          r17,r0,0
40 
3:
41 
        l.and           r3,r5,r15
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        l.slli          r4,r7,1
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        l.srli          r3,r3,31
44 
        l.or            r7,r4,r3
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        l.sub           r6,r7,r8
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        l.and           r3,r6,r15
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        l.srli          r3,r3,31
48 
        l.addi          r4,r0,0
49 
        l.sfne          r3,r4
50 
        l.bf            1f
51 
        l.slli          r3,r11,1
52 
        l.addi          r4,r0,1
53 
1:
54 
        l.slli          r5,r5,1
55 
        l.sfne          r4,r17
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        l.bnf           2f
57 
        l.or            r11,r3,r4
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        l.addi          r7,r6,0
59 
2:
60 
        l.addi          r9,r9,1
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        l.sfltu         r9,r13
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        l.bf            3b
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        l.nop           0
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        l.j             4f
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        l.nop           0
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6:
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        l.j             4f
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        l.addi          r11,r0,1
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5:
70 
        l.addi          r7,r5,0
71 
4:
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        l.lwz           r9,0(r1)
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        l.jr            r9
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        l.addi          r1,r1,4
75 
 
76 
        .align 4
77 
        .global ___divsi3
78 
___divsi3:
79 
        l.addi          r1,r1,-8
80 
        l.sw            0(r1),r9
81 
        l.sw            4(r1),r10
82 
        l.addi          r5,r3,0
83 
        l.addi          r10,r0,0
84 
        l.sflts         r5,r10
85 
        l.bnf           1f
86 
        l.addi          r3,r0,0
87 
        l.addi          r10,r0,1
88 
        l.sub           r5,r0,r5
89 
1:
90 
        l.sflts         r4,r3
91 
        l.bnf           1f
92 
        l.nop           0
93 
        l.addi          r10,r10,1
94 
        l.sub           r4,r0,r4
95 
1:
96 
        l.jal           ___udivsi3
97 
        l.addi          r3,r5,0
98 
        l.addi          r3,r0,1
99 
        l.sfeq          r10,r3
100 
        l.bnf           1f
101 
        l.nop           0
102 
        l.sub           r11,r0,r11
103 
1:
104 
        l.lwz           r9,0(r1)
105 
        l.lwz           r10,4(r1)
106 
        l.jr            r9
107 
        l.addi          r1,r1,8
108 
 
109 
        .align 4
110 
        .global ___umodsi3
111 
___umodsi3:
112 
        l.addi          r1,r1,-4
113 
        l.sw            0(r1),r9
114 
        l.jal           ___udivsi3
115 
        l.nop           0
116 
        l.addi          r11,r7,0
117 
        l.lwz           r9,0(r1)
118 
        l.jr            r9
119 
        l.addi          r1,r1,4
120 
 
121 
        .align 4
122 
        .global ___modsi3
123 
___modsi3:
124 
        l.addi          r1,r1,-8
125 
        l.sw            0(r1),r9
126 
        l.sw            4(r1),r10
127 
        l.sflts         r3,r0
128 
        l.bnf           1f
129 
        l.nop           0
130 
        l.addi          r10,r0,1
131 
        l.sub           r3,r0,r3
132 
1:
133 
        l.sflts         r4,r0
134 
        l.bnf           1f
135 
        l.nop           0
136 
        l.sub           r4,r0,r4
137 
1:
138 
        l.jal           ___udivsi3
139 
        l.nop           0
140 
        l.addi          r3,r0,1
141 
        l.sfeq          r10,r3
142 
        l.bnf           1f
143 
        l.addi          r11,r7,0
144 
        l.sub           r11,r0,r11
145 
1:
146 
        l.lwz           r9,0(r1)
147 
        l.lwz           r10,4(r1)
148 
        l.jr            r9
149 
        l.addi          r1,r1,8

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