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Diffstat (limited to 'arch/parisc/lib/milli/remU.S')
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diff --git a/arch/parisc/lib/milli/remU.S b/arch/parisc/lib/milli/remU.S deleted file mode 100644 index c0a2d6e247c3..000000000000 --- a/arch/parisc/lib/milli/remU.S +++ /dev/null | |||
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1 | /* 32 and 64-bit millicode, original author Hewlett-Packard | ||
2 | adapted for gcc by Paul Bame <bame@debian.org> | ||
3 | and Alan Modra <alan@linuxcare.com.au>. | ||
4 | |||
5 | Copyright 2001, 2002, 2003 Free Software Foundation, Inc. | ||
6 | |||
7 | This file is part of GCC and is released under the terms of | ||
8 | of the GNU General Public License as published by the Free Software | ||
9 | Foundation; either version 2, or (at your option) any later version. | ||
10 | See the file COPYING in the top-level GCC source directory for a copy | ||
11 | of the license. */ | ||
12 | |||
13 | #include "milli.h" | ||
14 | |||
15 | #ifdef L_remU | ||
16 | /* ROUTINE: $$remU | ||
17 | . Single precision divide for remainder with unsigned binary integers. | ||
18 | . | ||
19 | . The remainder must be dividend-(dividend/divisor)*divisor. | ||
20 | . Divide by zero is trapped. | ||
21 | |||
22 | INPUT REGISTERS: | ||
23 | . arg0 == dividend | ||
24 | . arg1 == divisor | ||
25 | . mrp == return pc | ||
26 | . sr0 == return space when called externally | ||
27 | |||
28 | OUTPUT REGISTERS: | ||
29 | . arg0 = undefined | ||
30 | . arg1 = undefined | ||
31 | . ret1 = remainder | ||
32 | |||
33 | OTHER REGISTERS AFFECTED: | ||
34 | . r1 = undefined | ||
35 | |||
36 | SIDE EFFECTS: | ||
37 | . Causes a trap under the following conditions: DIVIDE BY ZERO | ||
38 | . Changes memory at the following places: NONE | ||
39 | |||
40 | PERMISSIBLE CONTEXT: | ||
41 | . Unwindable. | ||
42 | . Does not create a stack frame. | ||
43 | . Suitable for internal or external millicode. | ||
44 | . Assumes the special millicode register conventions. | ||
45 | |||
46 | DISCUSSION: | ||
47 | . Calls other millicode routines using mrp: NONE | ||
48 | . Calls other millicode routines: NONE */ | ||
49 | |||
50 | |||
51 | RDEFINE(temp,r1) | ||
52 | RDEFINE(rmndr,ret1) /* r29 */ | ||
53 | SUBSPA_MILLI | ||
54 | ATTR_MILLI | ||
55 | .export $$remU,millicode | ||
56 | .proc | ||
57 | .callinfo millicode | ||
58 | .entry | ||
59 | GSYM($$remU) | ||
60 | ldo -1(arg1),temp /* is there at most one bit set ? */ | ||
61 | and,= arg1,temp,r0 /* if not, don't use power of 2 */ | ||
62 | b LREF(regular_seq) | ||
63 | addit,= 0,arg1,r0 /* trap on div by zero */ | ||
64 | and arg0,temp,rmndr /* get the result for power of 2 */ | ||
65 | MILLIRETN | ||
66 | LSYM(regular_seq) | ||
67 | comib,>=,n 0,arg1,LREF(special_case) | ||
68 | subi 0,arg1,rmndr /* clear carry, negate the divisor */ | ||
69 | ds r0,rmndr,r0 /* set V-bit to 1 */ | ||
70 | add arg0,arg0,temp /* shift msb bit into carry */ | ||
71 | ds r0,arg1,rmndr /* 1st divide step, if no carry */ | ||
72 | addc temp,temp,temp /* shift temp with/into carry */ | ||
73 | ds rmndr,arg1,rmndr /* 2nd divide step */ | ||
74 | addc temp,temp,temp /* shift temp with/into carry */ | ||
75 | ds rmndr,arg1,rmndr /* 3rd divide step */ | ||
76 | addc temp,temp,temp /* shift temp with/into carry */ | ||
77 | ds rmndr,arg1,rmndr /* 4th divide step */ | ||
78 | addc temp,temp,temp /* shift temp with/into carry */ | ||
79 | ds rmndr,arg1,rmndr /* 5th divide step */ | ||
80 | addc temp,temp,temp /* shift temp with/into carry */ | ||
81 | ds rmndr,arg1,rmndr /* 6th divide step */ | ||
82 | addc temp,temp,temp /* shift temp with/into carry */ | ||
83 | ds rmndr,arg1,rmndr /* 7th divide step */ | ||
84 | addc temp,temp,temp /* shift temp with/into carry */ | ||
85 | ds rmndr,arg1,rmndr /* 8th divide step */ | ||
86 | addc temp,temp,temp /* shift temp with/into carry */ | ||
87 | ds rmndr,arg1,rmndr /* 9th divide step */ | ||
88 | addc temp,temp,temp /* shift temp with/into carry */ | ||
89 | ds rmndr,arg1,rmndr /* 10th divide step */ | ||
90 | addc temp,temp,temp /* shift temp with/into carry */ | ||
91 | ds rmndr,arg1,rmndr /* 11th divide step */ | ||
92 | addc temp,temp,temp /* shift temp with/into carry */ | ||
93 | ds rmndr,arg1,rmndr /* 12th divide step */ | ||
94 | addc temp,temp,temp /* shift temp with/into carry */ | ||
95 | ds rmndr,arg1,rmndr /* 13th divide step */ | ||
96 | addc temp,temp,temp /* shift temp with/into carry */ | ||
97 | ds rmndr,arg1,rmndr /* 14th divide step */ | ||
98 | addc temp,temp,temp /* shift temp with/into carry */ | ||
99 | ds rmndr,arg1,rmndr /* 15th divide step */ | ||
100 | addc temp,temp,temp /* shift temp with/into carry */ | ||
101 | ds rmndr,arg1,rmndr /* 16th divide step */ | ||
102 | addc temp,temp,temp /* shift temp with/into carry */ | ||
103 | ds rmndr,arg1,rmndr /* 17th divide step */ | ||
104 | addc temp,temp,temp /* shift temp with/into carry */ | ||
105 | ds rmndr,arg1,rmndr /* 18th divide step */ | ||
106 | addc temp,temp,temp /* shift temp with/into carry */ | ||
107 | ds rmndr,arg1,rmndr /* 19th divide step */ | ||
108 | addc temp,temp,temp /* shift temp with/into carry */ | ||
109 | ds rmndr,arg1,rmndr /* 20th divide step */ | ||
110 | addc temp,temp,temp /* shift temp with/into carry */ | ||
111 | ds rmndr,arg1,rmndr /* 21st divide step */ | ||
112 | addc temp,temp,temp /* shift temp with/into carry */ | ||
113 | ds rmndr,arg1,rmndr /* 22nd divide step */ | ||
114 | addc temp,temp,temp /* shift temp with/into carry */ | ||
115 | ds rmndr,arg1,rmndr /* 23rd divide step */ | ||
116 | addc temp,temp,temp /* shift temp with/into carry */ | ||
117 | ds rmndr,arg1,rmndr /* 24th divide step */ | ||
118 | addc temp,temp,temp /* shift temp with/into carry */ | ||
119 | ds rmndr,arg1,rmndr /* 25th divide step */ | ||
120 | addc temp,temp,temp /* shift temp with/into carry */ | ||
121 | ds rmndr,arg1,rmndr /* 26th divide step */ | ||
122 | addc temp,temp,temp /* shift temp with/into carry */ | ||
123 | ds rmndr,arg1,rmndr /* 27th divide step */ | ||
124 | addc temp,temp,temp /* shift temp with/into carry */ | ||
125 | ds rmndr,arg1,rmndr /* 28th divide step */ | ||
126 | addc temp,temp,temp /* shift temp with/into carry */ | ||
127 | ds rmndr,arg1,rmndr /* 29th divide step */ | ||
128 | addc temp,temp,temp /* shift temp with/into carry */ | ||
129 | ds rmndr,arg1,rmndr /* 30th divide step */ | ||
130 | addc temp,temp,temp /* shift temp with/into carry */ | ||
131 | ds rmndr,arg1,rmndr /* 31st divide step */ | ||
132 | addc temp,temp,temp /* shift temp with/into carry */ | ||
133 | ds rmndr,arg1,rmndr /* 32nd divide step, */ | ||
134 | comiclr,<= 0,rmndr,r0 | ||
135 | add rmndr,arg1,rmndr /* correction */ | ||
136 | MILLIRETN | ||
137 | nop | ||
138 | |||
139 | /* Putting >= on the last DS and deleting COMICLR does not work! */ | ||
140 | LSYM(special_case) | ||
141 | sub,>>= arg0,arg1,rmndr | ||
142 | copy arg0,rmndr | ||
143 | MILLIRETN | ||
144 | nop | ||
145 | .exit | ||
146 | .procend | ||
147 | .end | ||
148 | #endif | ||