diff options
Diffstat (limited to 'src/regress/lib/libc/arch/alpha/divremtest/divremtest.c')
-rw-r--r-- | src/regress/lib/libc/arch/alpha/divremtest/divremtest.c | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/src/regress/lib/libc/arch/alpha/divremtest/divremtest.c b/src/regress/lib/libc/arch/alpha/divremtest/divremtest.c new file mode 100644 index 0000000000..3d9e8a6de2 --- /dev/null +++ b/src/regress/lib/libc/arch/alpha/divremtest/divremtest.c | |||
@@ -0,0 +1,184 @@ | |||
1 | /* $OpenBSD: divremtest.c,v 1.2 2001/01/29 02:05:39 niklas Exp $ */ | ||
2 | /* $NetBSD: divremtest.c,v 1.1 1995/04/24 05:53:35 cgd Exp $ */ | ||
3 | |||
4 | /* | ||
5 | * Copyright (c) 1995 Christopher G. Demetriou | ||
6 | * All rights reserved. | ||
7 | * | ||
8 | * Redistribution and use in source and binary forms, with or without | ||
9 | * modification, are permitted provided that the following conditions | ||
10 | * are met: | ||
11 | * 1. Redistributions of source code must retain the above copyright | ||
12 | * notice, this list of conditions and the following disclaimer. | ||
13 | * 2. Redistributions in binary form must reproduce the above copyright | ||
14 | * notice, this list of conditions and the following disclaimer in the | ||
15 | * documentation and/or other materials provided with the distribution. | ||
16 | * 3. All advertising materials mentioning features or use of this software | ||
17 | * must display the following acknowledgement: | ||
18 | * This product includes software developed by Christopher G. Demetriou | ||
19 | * for the NetBSD Project. | ||
20 | * 4. The name of the author may not be used to endorse or promote products | ||
21 | * derived from this software without specific prior written permission | ||
22 | * | ||
23 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | ||
24 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | ||
25 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | ||
26 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | ||
27 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
28 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
29 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
30 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
31 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | ||
32 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
33 | */ | ||
34 | |||
35 | #include <stdio.h> | ||
36 | #include <unistd.h> | ||
37 | #include <signal.h> | ||
38 | |||
39 | void testfile(); | ||
40 | void usage(); | ||
41 | |||
42 | int generate; | ||
43 | |||
44 | int | ||
45 | main(argc, argv) | ||
46 | int argc; | ||
47 | char **argv; | ||
48 | { | ||
49 | int c; | ||
50 | |||
51 | signal(SIGFPE, SIG_IGN); | ||
52 | |||
53 | while ((c = getopt(argc, argv, "g")) != -1) | ||
54 | switch (c) { | ||
55 | case 'g': | ||
56 | generate = 1; | ||
57 | break; | ||
58 | |||
59 | default: | ||
60 | usage(); | ||
61 | break; | ||
62 | } | ||
63 | |||
64 | argc -= optind; | ||
65 | argv += optind; | ||
66 | |||
67 | if (argc == 0) | ||
68 | testfile(); | ||
69 | else | ||
70 | for (; argc != 0; argc--, argv++) { | ||
71 | if (freopen(argv[0], "r", stdin) == NULL) { | ||
72 | fprintf(stderr, | ||
73 | "divremtest: couldn't open %s\n", | ||
74 | argv[0]); | ||
75 | exit(1); | ||
76 | } | ||
77 | |||
78 | testfile(); | ||
79 | } | ||
80 | |||
81 | exit(0); | ||
82 | } | ||
83 | |||
84 | void | ||
85 | testfile() | ||
86 | { | ||
87 | union operand { | ||
88 | unsigned long input; | ||
89 | int op_int; | ||
90 | unsigned int op_u_int; | ||
91 | long op_long; | ||
92 | unsigned long op_u_long; | ||
93 | } op1, op2, divres, modres, divwant, modwant; | ||
94 | char opspec[6]; | ||
95 | int encoded, i; | ||
96 | |||
97 | while (scanf("%6c %lx %lx %lx %lx\n", opspec, &op1.input, | ||
98 | &op2.input, &divwant.input, &modwant.input) != EOF) { | ||
99 | |||
100 | encoded = 0; | ||
101 | |||
102 | for (i = 0; i < 6; i += 2) { | ||
103 | int posval; | ||
104 | |||
105 | switch (opspec[i]) { | ||
106 | case '.': | ||
107 | posval = 0; | ||
108 | break; | ||
109 | case '-': | ||
110 | posval = 1; | ||
111 | break; | ||
112 | default: | ||
113 | fprintf(stderr, | ||
114 | "unknown signedness spec %c\n", | ||
115 | opspec[i]); | ||
116 | exit(1); | ||
117 | } | ||
118 | encoded |= posval << ((5 - i) * 4); | ||
119 | } | ||
120 | |||
121 | for (i = 1; i < 6; i += 2) { | ||
122 | int posval; | ||
123 | |||
124 | switch (opspec[i]) { | ||
125 | case 'i': | ||
126 | posval = 0; | ||
127 | break; | ||
128 | case 'l': | ||
129 | posval = 1; | ||
130 | break; | ||
131 | default: | ||
132 | fprintf(stderr, "unknown length spec %c\n", | ||
133 | opspec[i]); | ||
134 | exit(1); | ||
135 | } | ||
136 | encoded |= posval << ((5 - i) * 4); | ||
137 | } | ||
138 | |||
139 | /* KILL ME!!! */ | ||
140 | switch (encoded) { | ||
141 | |||
142 | #define TRY_IT(a, b, c) \ | ||
143 | divres.a = op1.b / op2.c; \ | ||
144 | modres.a = op1.b % op2.c; \ | ||
145 | if (generate) { \ | ||
146 | printf("%6s 0x%016lx 0x%016lx 0x%016lx 0x%016lx\n", \ | ||
147 | opspec, op1.input, op2.input, \ | ||
148 | divres.a, modres.a); \ | ||
149 | } else { \ | ||
150 | if ((divres.a != divwant.a) || \ | ||
151 | (modres.a != modwant.a)) { \ | ||
152 | fprintf(stderr, "%6s 0x%016lx 0x%016lx\n", \ | ||
153 | opspec, op1.input, op2.input); \ | ||
154 | fprintf(stderr, "FAILED:\n"); \ | ||
155 | fprintf(stderr, \ | ||
156 | "div:\twanted 0x%16lx, got 0x%16lx\n", \ | ||
157 | divwant.a, divres.a); \ | ||
158 | fprintf(stderr, \ | ||
159 | "mod:\twanted 0x%16lx, got 0x%16lx\n", \ | ||
160 | modwant.a, modres.a); \ | ||
161 | \ | ||
162 | exit(1); \ | ||
163 | } \ | ||
164 | } | ||
165 | |||
166 | #include "cases.c" | ||
167 | |||
168 | #undef TRY_IT | ||
169 | |||
170 | default: | ||
171 | fprintf(stderr, | ||
172 | "INTERNAL ERROR: unknown encoding %x\n", encoded); | ||
173 | exit(1); | ||
174 | } | ||
175 | } | ||
176 | } | ||
177 | |||
178 | void | ||
179 | usage() | ||
180 | { | ||
181 | |||
182 | fprintf(stderr, "usage: divremtest [-v] [testfile ...]\n"); | ||
183 | exit(1); | ||
184 | } | ||