t_bitops.c revision 1.21
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 44 static 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 67 ATF_TC(bitmap_basic); 68 ATF_TC_HEAD(bitmap_basic, tc) 69 { 70 atf_tc_set_md_var(tc, "descr", "A basic test of __BITMAP_*"); 71 } 72 73 ATF_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 } 106 107 ATF_TC(fast_divide32); 108 ATF_TC_HEAD(fast_divide32, tc) 109 { 110 atf_tc_set_md_var(tc, "descr", "A basic test of fast_divide32(3)"); 111 } 112 113 ATF_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 } 155 156 ATF_TC(ffsfls); 157 ATF_TC_HEAD(ffsfls, tc) 158 { 159 atf_tc_set_md_var(tc, "descr", "Test ffs32(3)-family for correctness"); 160 } 161 162 ATF_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 } 215 216 ATF_TC(ilog2_32bit); 217 ATF_TC_HEAD(ilog2_32bit, tc) 218 { 219 atf_tc_set_md_var(tc, "descr", "Test ilog2(3) for 32bit variable"); 220 } 221 222 ATF_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 } 233 234 ATF_TC(ilog2_64bit); 235 ATF_TC_HEAD(ilog2_64bit, tc) 236 { 237 atf_tc_set_md_var(tc, "descr", "Test ilog2(3) for 64bit variable"); 238 } 239 240 ATF_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 } 251 252 ATF_TC(ilog2_const); 253 ATF_TC_HEAD(ilog2_const, tc) 254 { 255 atf_tc_set_md_var(tc, "descr", "Test ilog2(3) for constant"); 256 } 257 258 ATF_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 } 395 396 ATF_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
Indexes created Sat Oct 11 08:10:02 GMT 2025