1/*	$NetBSD: t_bitops.c,v 1.21 2023/07/13 20:39:24 riastradh Exp $ */
2
3/*-
4 * Copyright (c) 2011, 2012 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Christos Zoulas and Jukka Ruohonen.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31#include <sys/cdefs.h>
32__RCSID("$NetBSD: t_bitops.c,v 1.21 2023/07/13 20:39:24 riastradh Exp $");
33
34#include <atf-c.h>
35
36#include <sys/cdefs.h>
37#include <sys/bitops.h>
38
39#include <math.h>
40#include <inttypes.h>
41#include <stdlib.h>
42#include <string.h>
43
44static const struct {
45	uint32_t	val;
46	int		ffs;
47	int		fls;
48} bits[] = {
49
50	{ 0x00, 0, 0 }, { 0x01, 1, 1 },	{ 0x02, 2, 2 },	{ 0x03, 1, 2 },
51	{ 0x04, 3, 3 }, { 0x05, 1, 3 },	{ 0x06, 2, 3 },	{ 0x07, 1, 3 },
52	{ 0x08, 4, 4 }, { 0x09, 1, 4 },	{ 0x0A, 2, 4 },	{ 0x0B, 1, 4 },
53	{ 0x0C, 3, 4 }, { 0x0D, 1, 4 },	{ 0x0E, 2, 4 },	{ 0x0F, 1, 4 },
54
55	{ 0x10, 5, 5 },	{ 0x11, 1, 5 },	{ 0x12, 2, 5 },	{ 0x13, 1, 5 },
56	{ 0x14, 3, 5 },	{ 0x15, 1, 5 },	{ 0x16, 2, 5 },	{ 0x17, 1, 5 },
57	{ 0x18, 4, 5 },	{ 0x19, 1, 5 },	{ 0x1A, 2, 5 },	{ 0x1B, 1, 5 },
58	{ 0x1C, 3, 5 },	{ 0x1D, 1, 5 },	{ 0x1E, 2, 5 },	{ 0x1F, 1, 5 },
59
60	{ 0xF0, 5, 8 },	{ 0xF1, 1, 8 },	{ 0xF2, 2, 8 },	{ 0xF3, 1, 8 },
61	{ 0xF4, 3, 8 },	{ 0xF5, 1, 8 },	{ 0xF6, 2, 8 },	{ 0xF7, 1, 8 },
62	{ 0xF8, 4, 8 },	{ 0xF9, 1, 8 },	{ 0xFA, 2, 8 },	{ 0xFB, 1, 8 },
63	{ 0xFC, 3, 8 },	{ 0xFD, 1, 8 },	{ 0xFE, 2, 8 },	{ 0xFF, 1, 8 },
64
65};
66
67ATF_TC(bitmap_basic);
68ATF_TC_HEAD(bitmap_basic, tc)
69{
70	atf_tc_set_md_var(tc, "descr", "A basic test of __BITMAP_*");
71}
72
73ATF_TC_BODY(bitmap_basic, tc)
74{
75	size_t n;
76
77	__BITMAP_TYPE(, uint32_t, 65536) bm;
78	__BITMAP_ZERO(&bm);
79
80	ATF_CHECK_EQ_MSG((n = __BITMAP_SIZE(uint32_t, 65536)), 2048,
81	    "n=%zu", n);
82
83	ATF_CHECK_EQ_MSG((n = __BITMAP_SHIFT(uint32_t)), 5, "n=%zu", n);
84
85	ATF_CHECK_EQ_MSG((n = __BITMAP_MASK(uint32_t)), 31, "n=%zu", n);
86
87	for (size_t i = 0; i < 65536; i += 2)
88		__BITMAP_SET(i, &bm);
89
90	for (size_t i = 0; i < 2048; i++) {
91		ATF_CHECK_EQ_MSG(bm._b[i], 0x55555555, "bm._b[%zu]=0x%"PRIx32,
92		    i, bm._b[i]);
93	}
94
95	for (size_t i = 0; i < 65536; i++)
96		if (i & 1)
97			ATF_CHECK_MSG(!__BITMAP_ISSET(i, &bm), "i=%zu", i);
98		else {
99			ATF_CHECK_MSG(__BITMAP_ISSET(i, &bm), "i=%zu", i);
100			__BITMAP_CLR(i, &bm);
101		}
102
103	for (size_t i = 0; i < 65536; i += 2)
104		ATF_CHECK_MSG(!__BITMAP_ISSET(i, &bm), "i=%zu", i);
105}
106
107ATF_TC(fast_divide32);
108ATF_TC_HEAD(fast_divide32, tc)
109{
110	atf_tc_set_md_var(tc, "descr", "A basic test of fast_divide32(3)");
111}
112
113ATF_TC_BODY(fast_divide32, tc)
114{
115	uint32_t a, b, q, r, m;
116	uint8_t i, s1, s2;
117
118	a = 0xFFFF;
119	b = 0x000F;
120
121	fast_divide32_prepare(b, &m, &s1, &s2);
122
123	q = fast_divide32(a, b, m, s1, s2);
124	r = fast_remainder32(a, b, m, s1, s2);
125
126	ATF_CHECK_EQ_MSG(q, 0x1111,
127	    "q=%"PRIu32"; a=%"PRIu32" b=%"PRIu32" a/b=%"PRIu32";"
128	    " m=%"PRIu32" s1=%"PRIu8" s2=%"PRIu8,
129	    q, a, b, a / b, m, s1, s2);
130	ATF_CHECK_EQ_MSG(r, 0,
131	    "q=%"PRIu32", a=%"PRIu32", b=%"PRIu32", a%%b=%"PRIu32";"
132	    " m=%"PRIu32" s1=%"PRIu8" s2=%"PRIu8,
133	    q, a, b, a % b, m, s1, s2);
134
135	for (i = 1; i < __arraycount(bits); i++) {
136
137		a = bits[i].val;
138		b = bits[i].ffs;
139
140		fast_divide32_prepare(b, &m, &s1, &s2);
141
142		q = fast_divide32(a, b, m, s1, s2);
143		r = fast_remainder32(a, b, m, s1, s2);
144
145		ATF_CHECK_EQ_MSG(q, a / b,
146		    "q=%"PRIu32"; a=%"PRIu32" b=%"PRIu32" a/b=%"PRIu32";"
147		    " m=%"PRIu32" s1=%"PRIu8" s2=%"PRIu8,
148		    q, a, b, a / b, m, s1, s2);
149		ATF_CHECK_EQ_MSG(r, a % b,
150		    "q=%"PRIu32", a=%"PRIu32", b=%"PRIu32", a%%b=%"PRIu32";"
151		    " m=%"PRIu32" s1=%"PRIu8" s2=%"PRIu8,
152		    q, a, b, a % b, m, s1, s2);
153	}
154}
155
156ATF_TC(ffsfls);
157ATF_TC_HEAD(ffsfls, tc)
158{
159	atf_tc_set_md_var(tc, "descr", "Test ffs32(3)-family for correctness");
160}
161
162ATF_TC_BODY(ffsfls, tc)
163{
164	uint8_t i;
165	int n, m;
166
167	ATF_CHECK_EQ_MSG((n = ffs32(0)), 0x00, "n=%d", n);
168	ATF_CHECK_EQ_MSG((n = fls32(0)), 0x00, "n=%d", n);
169	ATF_CHECK_EQ_MSG((n = ffs64(0)), 0x00, "n=%d", n);
170	ATF_CHECK_EQ_MSG((n = fls64(0)), 0x00, "n=%d", n);
171
172	ATF_CHECK_EQ_MSG((n = ffs32(UINT32_MAX)), 0x01, "n=%d", n);
173	ATF_CHECK_EQ_MSG((n = fls32(UINT32_MAX)), 0x20, "n=%d", n);
174	ATF_CHECK_EQ_MSG((n = ffs64(UINT64_MAX)), 0x01, "n=%d", n);
175	ATF_CHECK_EQ_MSG((n = fls64(UINT64_MAX)), 0x40, "n=%d", n);
176
177	for (i = 1; i < __arraycount(bits); i++) {
178
179		ATF_CHECK_EQ_MSG((n = ffs32(bits[i].val)), (m = bits[i].ffs),
180		    "[i=%"PRIu8"] n=%d m=%d", i, n, m);
181		ATF_CHECK_EQ_MSG((n = fls32(bits[i].val)), (m = bits[i].fls),
182		    "[i=%"PRIu8"] n=%d m=%d", i, n, m);
183		ATF_CHECK_EQ_MSG((n = ffs64(bits[i].val)), (m = bits[i].ffs),
184		    "[i=%"PRIu8"] n=%d m=%d", i, n, m);
185		ATF_CHECK_EQ_MSG((n = fls64(bits[i].val)), (m = bits[i].fls),
186		    "[i=%"PRIu8"] n=%d m=%d", i, n, m);
187
188		ATF_CHECK_EQ_MSG((n = ffs32(bits[i].val << 1)),
189		    (m = bits[i].ffs + 1),
190		    "[i=%"PRIu8"] n=%d m=%d", i, n, m);
191		ATF_CHECK_EQ_MSG((n = fls32(bits[i].val << 1)),
192		    (m = bits[i].fls + 1),
193		    "[i=%"PRIu8"] n=%d m=%d", i, n, m);
194		ATF_CHECK_EQ_MSG((n = ffs64(bits[i].val << 1)),
195		    (m = bits[i].ffs + 1),
196		    "[i=%"PRIu8"] n=%d m=%d", i, n, m);
197		ATF_CHECK_EQ_MSG((n = fls64(bits[i].val << 1)),
198		    (m = bits[i].fls + 1),
199		    "[i=%"PRIu8"] n=%d m=%d", i, n, m);
200
201		ATF_CHECK_EQ_MSG((n = ffs32(bits[i].val << 9)),
202		    (m = bits[i].ffs + 9),
203		    "[i=%"PRIu8"] n=%d m=%d", i, n, m);
204		ATF_CHECK_EQ_MSG((n = fls32(bits[i].val << 9)),
205		    (m = bits[i].fls + 9),
206		    "[i=%"PRIu8"] n=%d m=%d", i, n, m);
207		ATF_CHECK_EQ_MSG((n = ffs64(bits[i].val << 9)),
208		    (m = bits[i].ffs + 9),
209		    "[i=%"PRIu8"] n=%d m=%d", i, n, m);
210		ATF_CHECK_EQ_MSG((n = fls64(bits[i].val << 9)),
211		    (m = bits[i].fls + 9),
212		    "[i=%"PRIu8"] n=%d m=%d", i, n, m);
213	}
214}
215
216ATF_TC(ilog2_32bit);
217ATF_TC_HEAD(ilog2_32bit, tc)
218{
219	atf_tc_set_md_var(tc, "descr", "Test ilog2(3) for 32bit variable");
220}
221
222ATF_TC_BODY(ilog2_32bit, tc)
223{
224	int i, L;
225	uint32_t x;
226
227	for (i = 0; i < 32; i++) {
228		x = 1U << i;
229		ATF_CHECK_EQ_MSG((L = ilog2(x)), i, "i=%d x=0x%"PRIx32" L=%d",
230		    i, x, L);
231	}
232}
233
234ATF_TC(ilog2_64bit);
235ATF_TC_HEAD(ilog2_64bit, tc)
236{
237	atf_tc_set_md_var(tc, "descr", "Test ilog2(3) for 64bit variable");
238}
239
240ATF_TC_BODY(ilog2_64bit, tc)
241{
242	int i, L;
243	uint64_t x;
244
245	for (i = 0; i < 64; i++) {
246		x = (uint64_t)1 << i;
247		ATF_CHECK_EQ_MSG((L = ilog2(x)), i, "i=%d x=0x%"PRIx64" L=%d",
248		    i, x, L);
249	}
250}
251
252ATF_TC(ilog2_const);
253ATF_TC_HEAD(ilog2_const, tc)
254{
255	atf_tc_set_md_var(tc, "descr", "Test ilog2(3) for constant");
256}
257
258ATF_TC_BODY(ilog2_const, tc)
259{
260	int L;
261
262	/*
263	 * These inlines test __builtin_constant_p() part of ilog2()
264	 * at compile time, so don't change it to loop.  PR lib/49745
265	 */
266	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000000000001ULL)), 0, "L=%d", L);
267	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000000000002ULL)), 1, "L=%d", L);
268	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000000000004ULL)), 2, "L=%d", L);
269	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000000000008ULL)), 3, "L=%d", L);
270	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000000000010ULL)), 4, "L=%d", L);
271	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000000000020ULL)), 5, "L=%d", L);
272	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000000000040ULL)), 6, "L=%d", L);
273	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000000000080ULL)), 7, "L=%d", L);
274	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000000000100ULL)), 8, "L=%d", L);
275	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000000000200ULL)), 9, "L=%d", L);
276	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000000000400ULL)), 10, "L=%d", L);
277	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000000000800ULL)), 11, "L=%d", L);
278	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000000001000ULL)), 12, "L=%d", L);
279	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000000002000ULL)), 13, "L=%d", L);
280	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000000004000ULL)), 14, "L=%d", L);
281	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000000008000ULL)), 15, "L=%d", L);
282	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000000010000ULL)), 16, "L=%d", L);
283	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000000020000ULL)), 17, "L=%d", L);
284	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000000040000ULL)), 18, "L=%d", L);
285	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000000080000ULL)), 19, "L=%d", L);
286	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000000100000ULL)), 20, "L=%d", L);
287	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000000200000ULL)), 21, "L=%d", L);
288	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000000400000ULL)), 22, "L=%d", L);
289	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000000800000ULL)), 23, "L=%d", L);
290	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000001000000ULL)), 24, "L=%d", L);
291	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000002000000ULL)), 25, "L=%d", L);
292	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000004000000ULL)), 26, "L=%d", L);
293	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000008000000ULL)), 27, "L=%d", L);
294	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000010000000ULL)), 28, "L=%d", L);
295	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000020000000ULL)), 29, "L=%d", L);
296	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000040000000ULL)), 30, "L=%d", L);
297	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000080000000ULL)), 31, "L=%d", L);
298	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000100000000ULL)), 32, "L=%d", L);
299	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000200000000ULL)), 33, "L=%d", L);
300	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000400000000ULL)), 34, "L=%d", L);
301	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000800000000ULL)), 35, "L=%d", L);
302	ATF_CHECK_EQ_MSG((L = ilog2(0x0000001000000000ULL)), 36, "L=%d", L);
303	ATF_CHECK_EQ_MSG((L = ilog2(0x0000002000000000ULL)), 37, "L=%d", L);
304	ATF_CHECK_EQ_MSG((L = ilog2(0x0000004000000000ULL)), 38, "L=%d", L);
305	ATF_CHECK_EQ_MSG((L = ilog2(0x0000008000000000ULL)), 39, "L=%d", L);
306	ATF_CHECK_EQ_MSG((L = ilog2(0x0000010000000000ULL)), 40, "L=%d", L);
307	ATF_CHECK_EQ_MSG((L = ilog2(0x0000020000000000ULL)), 41, "L=%d", L);
308	ATF_CHECK_EQ_MSG((L = ilog2(0x0000040000000000ULL)), 42, "L=%d", L);
309	ATF_CHECK_EQ_MSG((L = ilog2(0x0000080000000000ULL)), 43, "L=%d", L);
310	ATF_CHECK_EQ_MSG((L = ilog2(0x0000100000000000ULL)), 44, "L=%d", L);
311	ATF_CHECK_EQ_MSG((L = ilog2(0x0000200000000000ULL)), 45, "L=%d", L);
312	ATF_CHECK_EQ_MSG((L = ilog2(0x0000400000000000ULL)), 46, "L=%d", L);
313	ATF_CHECK_EQ_MSG((L = ilog2(0x0000800000000000ULL)), 47, "L=%d", L);
314	ATF_CHECK_EQ_MSG((L = ilog2(0x0001000000000000ULL)), 48, "L=%d", L);
315	ATF_CHECK_EQ_MSG((L = ilog2(0x0002000000000000ULL)), 49, "L=%d", L);
316	ATF_CHECK_EQ_MSG((L = ilog2(0x0004000000000000ULL)), 50, "L=%d", L);
317	ATF_CHECK_EQ_MSG((L = ilog2(0x0008000000000000ULL)), 51, "L=%d", L);
318	ATF_CHECK_EQ_MSG((L = ilog2(0x0010000000000000ULL)), 52, "L=%d", L);
319	ATF_CHECK_EQ_MSG((L = ilog2(0x0020000000000000ULL)), 53, "L=%d", L);
320	ATF_CHECK_EQ_MSG((L = ilog2(0x0040000000000000ULL)), 54, "L=%d", L);
321	ATF_CHECK_EQ_MSG((L = ilog2(0x0080000000000000ULL)), 55, "L=%d", L);
322	ATF_CHECK_EQ_MSG((L = ilog2(0x0100000000000000ULL)), 56, "L=%d", L);
323	ATF_CHECK_EQ_MSG((L = ilog2(0x0200000000000000ULL)), 57, "L=%d", L);
324	ATF_CHECK_EQ_MSG((L = ilog2(0x0400000000000000ULL)), 58, "L=%d", L);
325	ATF_CHECK_EQ_MSG((L = ilog2(0x0800000000000000ULL)), 59, "L=%d", L);
326	ATF_CHECK_EQ_MSG((L = ilog2(0x1000000000000000ULL)), 60, "L=%d", L);
327	ATF_CHECK_EQ_MSG((L = ilog2(0x2000000000000000ULL)), 61, "L=%d", L);
328	ATF_CHECK_EQ_MSG((L = ilog2(0x4000000000000000ULL)), 62, "L=%d", L);
329	ATF_CHECK_EQ_MSG((L = ilog2(0x8000000000000000ULL)), 63, "L=%d", L);
330
331	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000000000003ULL)), 1, "L=%d", L);
332	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000000000007ULL)), 2, "L=%d", L);
333	ATF_CHECK_EQ_MSG((L = ilog2(0x000000000000000fULL)), 3, "L=%d", L);
334	ATF_CHECK_EQ_MSG((L = ilog2(0x000000000000001fULL)), 4, "L=%d", L);
335	ATF_CHECK_EQ_MSG((L = ilog2(0x000000000000003fULL)), 5, "L=%d", L);
336	ATF_CHECK_EQ_MSG((L = ilog2(0x000000000000007fULL)), 6, "L=%d", L);
337	ATF_CHECK_EQ_MSG((L = ilog2(0x00000000000000ffULL)), 7, "L=%d", L);
338	ATF_CHECK_EQ_MSG((L = ilog2(0x00000000000001ffULL)), 8, "L=%d", L);
339	ATF_CHECK_EQ_MSG((L = ilog2(0x00000000000003ffULL)), 9, "L=%d", L);
340	ATF_CHECK_EQ_MSG((L = ilog2(0x00000000000007ffULL)), 10, "L=%d", L);
341	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000000000fffULL)), 11, "L=%d", L);
342	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000000001fffULL)), 12, "L=%d", L);
343	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000000003fffULL)), 13, "L=%d", L);
344	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000000007fffULL)), 14, "L=%d", L);
345	ATF_CHECK_EQ_MSG((L = ilog2(0x000000000000ffffULL)), 15, "L=%d", L);
346	ATF_CHECK_EQ_MSG((L = ilog2(0x000000000001ffffULL)), 16, "L=%d", L);
347	ATF_CHECK_EQ_MSG((L = ilog2(0x000000000003ffffULL)), 17, "L=%d", L);
348	ATF_CHECK_EQ_MSG((L = ilog2(0x000000000007ffffULL)), 18, "L=%d", L);
349	ATF_CHECK_EQ_MSG((L = ilog2(0x00000000000fffffULL)), 19, "L=%d", L);
350	ATF_CHECK_EQ_MSG((L = ilog2(0x00000000001fffffULL)), 20, "L=%d", L);
351	ATF_CHECK_EQ_MSG((L = ilog2(0x00000000003fffffULL)), 21, "L=%d", L);
352	ATF_CHECK_EQ_MSG((L = ilog2(0x00000000007fffffULL)), 22, "L=%d", L);
353	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000000ffffffULL)), 23, "L=%d", L);
354	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000001ffffffULL)), 24, "L=%d", L);
355	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000003ffffffULL)), 25, "L=%d", L);
356	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000007ffffffULL)), 26, "L=%d", L);
357	ATF_CHECK_EQ_MSG((L = ilog2(0x000000000fffffffULL)), 27, "L=%d", L);
358	ATF_CHECK_EQ_MSG((L = ilog2(0x000000001fffffffULL)), 28, "L=%d", L);
359	ATF_CHECK_EQ_MSG((L = ilog2(0x000000003fffffffULL)), 29, "L=%d", L);
360	ATF_CHECK_EQ_MSG((L = ilog2(0x000000007fffffffULL)), 30, "L=%d", L);
361	ATF_CHECK_EQ_MSG((L = ilog2(0x00000000ffffffffULL)), 31, "L=%d", L);
362	ATF_CHECK_EQ_MSG((L = ilog2(0x00000001ffffffffULL)), 32, "L=%d", L);
363	ATF_CHECK_EQ_MSG((L = ilog2(0x00000003ffffffffULL)), 33, "L=%d", L);
364	ATF_CHECK_EQ_MSG((L = ilog2(0x00000007ffffffffULL)), 34, "L=%d", L);
365	ATF_CHECK_EQ_MSG((L = ilog2(0x0000000fffffffffULL)), 35, "L=%d", L);
366	ATF_CHECK_EQ_MSG((L = ilog2(0x0000001fffffffffULL)), 36, "L=%d", L);
367	ATF_CHECK_EQ_MSG((L = ilog2(0x0000003fffffffffULL)), 37, "L=%d", L);
368	ATF_CHECK_EQ_MSG((L = ilog2(0x0000007fffffffffULL)), 38, "L=%d", L);
369	ATF_CHECK_EQ_MSG((L = ilog2(0x000000ffffffffffULL)), 39, "L=%d", L);
370	ATF_CHECK_EQ_MSG((L = ilog2(0x000001ffffffffffULL)), 40, "L=%d", L);
371	ATF_CHECK_EQ_MSG((L = ilog2(0x000003ffffffffffULL)), 41, "L=%d", L);
372	ATF_CHECK_EQ_MSG((L = ilog2(0x000007ffffffffffULL)), 42, "L=%d", L);
373	ATF_CHECK_EQ_MSG((L = ilog2(0x00000fffffffffffULL)), 43, "L=%d", L);
374	ATF_CHECK_EQ_MSG((L = ilog2(0x00001fffffffffffULL)), 44, "L=%d", L);
375	ATF_CHECK_EQ_MSG((L = ilog2(0x00003fffffffffffULL)), 45, "L=%d", L);
376	ATF_CHECK_EQ_MSG((L = ilog2(0x00007fffffffffffULL)), 46, "L=%d", L);
377	ATF_CHECK_EQ_MSG((L = ilog2(0x0000ffffffffffffULL)), 47, "L=%d", L);
378	ATF_CHECK_EQ_MSG((L = ilog2(0x0001ffffffffffffULL)), 48, "L=%d", L);
379	ATF_CHECK_EQ_MSG((L = ilog2(0x0003ffffffffffffULL)), 49, "L=%d", L);
380	ATF_CHECK_EQ_MSG((L = ilog2(0x0007ffffffffffffULL)), 50, "L=%d", L);
381	ATF_CHECK_EQ_MSG((L = ilog2(0x000fffffffffffffULL)), 51, "L=%d", L);
382	ATF_CHECK_EQ_MSG((L = ilog2(0x001fffffffffffffULL)), 52, "L=%d", L);
383	ATF_CHECK_EQ_MSG((L = ilog2(0x003fffffffffffffULL)), 53, "L=%d", L);
384	ATF_CHECK_EQ_MSG((L = ilog2(0x007fffffffffffffULL)), 54, "L=%d", L);
385	ATF_CHECK_EQ_MSG((L = ilog2(0x00ffffffffffffffULL)), 55, "L=%d", L);
386	ATF_CHECK_EQ_MSG((L = ilog2(0x01ffffffffffffffULL)), 56, "L=%d", L);
387	ATF_CHECK_EQ_MSG((L = ilog2(0x03ffffffffffffffULL)), 57, "L=%d", L);
388	ATF_CHECK_EQ_MSG((L = ilog2(0x07ffffffffffffffULL)), 58, "L=%d", L);
389	ATF_CHECK_EQ_MSG((L = ilog2(0x0fffffffffffffffULL)), 59, "L=%d", L);
390	ATF_CHECK_EQ_MSG((L = ilog2(0x1fffffffffffffffULL)), 60, "L=%d", L);
391	ATF_CHECK_EQ_MSG((L = ilog2(0x3fffffffffffffffULL)), 61, "L=%d", L);
392	ATF_CHECK_EQ_MSG((L = ilog2(0x7fffffffffffffffULL)), 62, "L=%d", L);
393	ATF_CHECK_EQ_MSG((L = ilog2(0xffffffffffffffffULL)), 63, "L=%d", L);
394}
395
396ATF_TP_ADD_TCS(tp)
397{
398
399	ATF_TP_ADD_TC(tp, bitmap_basic);
400	ATF_TP_ADD_TC(tp, fast_divide32);
401	ATF_TP_ADD_TC(tp, ffsfls);
402	ATF_TP_ADD_TC(tp, ilog2_32bit);
403	ATF_TP_ADD_TC(tp, ilog2_64bit);
404	ATF_TP_ADD_TC(tp, ilog2_const);
405
406	return atf_no_error();
407}
408