test/testplatform.c

   1 /*
   2   Copyright (C) 1997-2020 Sam Lantinga <slouken@libsdl.org>
   3
   4   This software is provided 'as-is', without any express or implied
   5   warranty.  In no event will the authors be held liable for any damages
   6   arising from the use of this software.
   7
   8   Permission is granted to anyone to use this software for any purpose,
   9   including commercial applications, and to alter it and redistribute it
  10   freely.
  11 */
  12
  13 #include <stdio.h>
  14
  15 #include "SDL.h"
  16
  17 /*
  18  * Watcom C flags these as Warning 201: "Unreachable code" if you just
  19  *  compare them directly, so we push it through a function to keep the
  20  *  compiler quiet.  --ryan.
  21  */
  22 static int
  23 badsize(size_t sizeoftype, size_t hardcodetype)
  24 {
  25     return sizeoftype != hardcodetype;
  26 }
  27
  28 int
  29 TestTypes(SDL_bool verbose)
  30 {
  31     int error = 0;
  32
  33         SDL_COMPILE_TIME_ASSERT(SDL_MAX_SINT8, SDL_MAX_SINT8 == 127);
  34         SDL_COMPILE_TIME_ASSERT(SDL_MIN_SINT8, SDL_MIN_SINT8 == -128);
  35         SDL_COMPILE_TIME_ASSERT(SDL_MAX_UINT8, SDL_MAX_UINT8 == 255);
  36         SDL_COMPILE_TIME_ASSERT(SDL_MIN_UINT8, SDL_MIN_UINT8 == 0);
  37
  38         SDL_COMPILE_TIME_ASSERT(SDL_MAX_SINT16, SDL_MAX_SINT16 == 32767);
  39         SDL_COMPILE_TIME_ASSERT(SDL_MIN_SINT16, SDL_MIN_SINT16 == -32768);
  40         SDL_COMPILE_TIME_ASSERT(SDL_MAX_UINT16, SDL_MAX_UINT16 == 65535);
  41         SDL_COMPILE_TIME_ASSERT(SDL_MIN_UINT16, SDL_MIN_UINT16 == 0);
  42
  43         SDL_COMPILE_TIME_ASSERT(SDL_MAX_SINT32, SDL_MAX_SINT32 == 2147483647);
  44         SDL_COMPILE_TIME_ASSERT(SDL_MIN_SINT32, SDL_MIN_SINT32 == ~0x7fffffff); /* Instead of -2147483648, which is treated as unsigned by some compilers */
  45         SDL_COMPILE_TIME_ASSERT(SDL_MAX_UINT32, SDL_MAX_UINT32 == 4294967295u);
  46         SDL_COMPILE_TIME_ASSERT(SDL_MIN_UINT32, SDL_MIN_UINT32 == 0);
  47
  48         SDL_COMPILE_TIME_ASSERT(SDL_MAX_SINT64, SDL_MAX_SINT64 == 9223372036854775807ll);
  49         SDL_COMPILE_TIME_ASSERT(SDL_MIN_SINT64, SDL_MIN_SINT64 == ~0x7fffffffffffffffll); /* Instead of -9223372036854775808, which is treated as unsigned by compilers */
  50         SDL_COMPILE_TIME_ASSERT(SDL_MAX_UINT64, SDL_MAX_UINT64 == 18446744073709551615ull);
  51         SDL_COMPILE_TIME_ASSERT(SDL_MIN_UINT64, SDL_MIN_UINT64 == 0);
  52
  53     if (badsize(sizeof(Uint8), 1)) {
  54         if (verbose)
  55             SDL_Log("sizeof(Uint8) != 1, instead = %u\n",
  56                    (unsigned int)sizeof(Uint8));
  57         ++error;
  58     }
  59     if (badsize(sizeof(Uint16), 2)) {
  60         if (verbose)
  61             SDL_Log("sizeof(Uint16) != 2, instead = %u\n",
  62                    (unsigned int)sizeof(Uint16));
  63         ++error;
  64     }
  65     if (badsize(sizeof(Uint32), 4)) {
  66         if (verbose)
  67             SDL_Log("sizeof(Uint32) != 4, instead = %u\n",
  68                    (unsigned int)sizeof(Uint32));
  69         ++error;
  70     }
  71     if (badsize(sizeof(Uint64), 8)) {
  72         if (verbose)
  73             SDL_Log("sizeof(Uint64) != 8, instead = %u\n",
  74                    (unsigned int)sizeof(Uint64));
  75         ++error;
  76     }
  77     if (verbose && !error)
  78         SDL_Log("All data types are the expected size.\n");
  79
  80     return (error ? 1 : 0);
  81 }
  82
  83 int
  84 TestEndian(SDL_bool verbose)
  85 {
  86     int error = 0;
  87     Uint16 value = 0x1234;
  88     int real_byteorder;
  89     Uint16 value16 = 0xCDAB;
  90     Uint16 swapped16 = 0xABCD;
  91     Uint32 value32 = 0xEFBEADDE;
  92     Uint32 swapped32 = 0xDEADBEEF;
  93     Uint64 value64, swapped64;
  94
  95     value64 = 0xEFBEADDE;
  96     value64 <<= 32;
  97     value64 |= 0xCDAB3412;
  98     swapped64 = 0x1234ABCD;
  99     swapped64 <<= 32;
 100     swapped64 |= 0xDEADBEEF;
 101
 102     if (verbose) {
 103         SDL_Log("Detected a %s endian machine.\n",
 104                (SDL_BYTEORDER == SDL_LIL_ENDIAN) ? "little" : "big");
 105     }
 106     if ((*((char *) &value) >> 4) == 0x1) {
 107         real_byteorder = SDL_BIG_ENDIAN;
 108     } else {
 109         real_byteorder = SDL_LIL_ENDIAN;
 110     }
 111     if (real_byteorder != SDL_BYTEORDER) {
 112         if (verbose) {
 113             SDL_Log("Actually a %s endian machine!\n",
 114                    (real_byteorder == SDL_LIL_ENDIAN) ? "little" : "big");
 115         }
 116         ++error;
 117     }
 118     if (verbose) {
 119         SDL_Log("Value 16 = 0x%X, swapped = 0x%X\n", value16,
 120                SDL_Swap16(value16));
 121     }
 122     if (SDL_Swap16(value16) != swapped16) {
 123         if (verbose) {
 124             SDL_Log("16 bit value swapped incorrectly!\n");
 125         }
 126         ++error;
 127     }
 128     if (verbose) {
 129         SDL_Log("Value 32 = 0x%X, swapped = 0x%X\n", value32,
 130                SDL_Swap32(value32));
 131     }
 132     if (SDL_Swap32(value32) != swapped32) {
 133         if (verbose) {
 134             SDL_Log("32 bit value swapped incorrectly!\n");
 135         }
 136         ++error;
 137     }
 138     if (verbose) {
 139         SDL_Log("Value 64 = 0x%"SDL_PRIX64", swapped = 0x%"SDL_PRIX64"\n", value64,
 140                SDL_Swap64(value64));
 141     }
 142     if (SDL_Swap64(value64) != swapped64) {
 143         if (verbose) {
 144             SDL_Log("64 bit value swapped incorrectly!\n");
 145         }
 146         ++error;
 147     }
 148     return (error ? 1 : 0);
 149 }
 150
 151 static int TST_allmul (void *a, void *b, int arg, void *result, void *expected)
 152 {
 153     (*(long long *)result) = ((*(long long *)a) * (*(long long *)b));
 154     return (*(long long *)result) == (*(long long *)expected);
 155 }
 156
 157 static int TST_alldiv (void *a, void *b, int arg, void *result, void *expected)
 158 {
 159     (*(long long *)result) = ((*(long long *)a) / (*(long long *)b));
 160     return (*(long long *)result) == (*(long long *)expected);
 161 }
 162
 163 static int TST_allrem (void *a, void *b, int arg, void *result, void *expected)
 164 {
 165     (*(long long *)result) = ((*(long long *)a) % (*(long long *)b));
 166     return (*(long long *)result) == (*(long long *)expected);
 167 }
 168
 169 static int TST_ualldiv (void *a, void *b, int arg, void *result, void *expected)
 170 {
 171     (*(unsigned long long *)result) = ((*(unsigned long long *)a) / (*(unsigned long long *)b));
 172     return (*(unsigned long long *)result) == (*(unsigned long long *)expected);
 173 }
 174
 175 static int TST_uallrem (void *a, void *b, int arg, void *result, void *expected)
 176 {
 177     (*(unsigned long long *)result) = ((*(unsigned long long *)a) % (*(unsigned long long *)b));
 178     return (*(unsigned long long *)result) == (*(unsigned long long *)expected);
 179 }
 180
 181 static int TST_allshl (void *a, void *b, int arg, void *result, void *expected)
 182 {
 183     (*(long long *)result) = (*(long long *)a) << arg;
 184     return (*(long long *)result) == (*(long long *)expected);
 185 }
 186
 187 static int TST_aullshl (void *a, void *b, int arg, void *result, void *expected)
 188 {
 189     (*(unsigned long long *)result) = (*(unsigned long long *)a) << arg;
 190     return (*(unsigned long long *)result) == (*(unsigned long long *)expected);
 191 }
 192
 193 static int TST_allshr (void *a, void *b, int arg, void *result, void *expected)
 194 {
 195     (*(long long *)result) = (*(long long *)a) >> arg;
 196     return (*(long long *)result) == (*(long long *)expected);
 197 }
 198
 199 static int TST_aullshr (void *a, void *b, int arg, void *result, void *expected)
 200 {
 201     (*(unsigned long long *)result) = (*(unsigned long long *)a) >> arg;
 202     return (*(unsigned long long *)result) == (*(unsigned long long *)expected);
 203 }
 204
 205
 206 typedef int (*LL_Intrinsic)(void *a, void *b, int arg, void *result, void *expected);
 207
 208 typedef struct {
 209     const char *operation;
 210     LL_Intrinsic routine;
 211     unsigned long long a, b;
 212     int arg;
 213     unsigned long long expected_result;
 214 } LL_Test;
 215
 216 static LL_Test LL_Tests[] =
 217 {
 218     /* UNDEFINED {"_allshl",   &TST_allshl,   0xFFFFFFFFFFFFFFFFll,                  0ll, 65, 0x0000000000000000ll}, */
 219     {"_allshl",   &TST_allshl,   0xFFFFFFFFFFFFFFFFll,                  0ll,  1, 0xFFFFFFFFFFFFFFFEll},
 220     {"_allshl",   &TST_allshl,   0xFFFFFFFFFFFFFFFFll,                  0ll, 32, 0xFFFFFFFF00000000ll},
 221     {"_allshl",   &TST_allshl,   0xFFFFFFFFFFFFFFFFll,                  0ll, 33, 0xFFFFFFFE00000000ll},
 222     {"_allshl",   &TST_allshl,   0xFFFFFFFFFFFFFFFFll,                  0ll,  0, 0xFFFFFFFFFFFFFFFFll},
 223
 224     {"_allshr",   &TST_allshr,   0xAAAAAAAA55555555ll,                  0ll, 63, 0xFFFFFFFFFFFFFFFFll},
 225     /* UNDEFINED {"_allshr",   &TST_allshr,   0xFFFFFFFFFFFFFFFFll,                  0ll, 65, 0xFFFFFFFFFFFFFFFFll}, */
 226     {"_allshr",   &TST_allshr,   0xFFFFFFFFFFFFFFFFll,                  0ll,  1, 0xFFFFFFFFFFFFFFFFll},
 227     {"_allshr",   &TST_allshr,   0xFFFFFFFFFFFFFFFFll,                  0ll, 32, 0xFFFFFFFFFFFFFFFFll},
 228     {"_allshr",   &TST_allshr,   0xFFFFFFFFFFFFFFFFll,                  0ll, 33, 0xFFFFFFFFFFFFFFFFll},
 229     {"_allshr",   &TST_allshr,   0xFFFFFFFFFFFFFFFFll,                  0ll,  0, 0xFFFFFFFFFFFFFFFFll},
 230     /* UNDEFINED {"_allshr",   &TST_allshr,   0x5F5F5F5F5F5F5F5Fll,                  0ll, 65, 0x0000000000000000ll}, */
 231     {"_allshr",   &TST_allshr,   0x5F5F5F5F5F5F5F5Fll,                  0ll,  1, 0x2FAFAFAFAFAFAFAFll},
 232     {"_allshr",   &TST_allshr,   0x5F5F5F5F5F5F5F5Fll,                  0ll, 32, 0x000000005F5F5F5Fll},
 233     {"_allshr",   &TST_allshr,   0x5F5F5F5F5F5F5F5Fll,                  0ll, 33, 0x000000002FAFAFAFll},
 234
 235     /* UNDEFINED {"_aullshl",  &TST_aullshl,  0xFFFFFFFFFFFFFFFFll,                  0ll, 65, 0x0000000000000000ll}, */
 236     {"_aullshl",  &TST_aullshl,  0xFFFFFFFFFFFFFFFFll,                  0ll,  1, 0xFFFFFFFFFFFFFFFEll},
 237     {"_aullshl",  &TST_aullshl,  0xFFFFFFFFFFFFFFFFll,                  0ll, 32, 0xFFFFFFFF00000000ll},
 238     {"_aullshl",  &TST_aullshl,  0xFFFFFFFFFFFFFFFFll,                  0ll, 33, 0xFFFFFFFE00000000ll},
 239     {"_aullshl",  &TST_aullshl,  0xFFFFFFFFFFFFFFFFll,                  0ll,  0, 0xFFFFFFFFFFFFFFFFll},
 240
 241     /* UNDEFINED {"_aullshr",  &TST_aullshr,  0xFFFFFFFFFFFFFFFFll,                  0ll, 65, 0x0000000000000000ll}, */
 242     {"_aullshr",  &TST_aullshr,  0xFFFFFFFFFFFFFFFFll,                  0ll,  1, 0x7FFFFFFFFFFFFFFFll},
 243     {"_aullshr",  &TST_aullshr,  0xFFFFFFFFFFFFFFFFll,                  0ll, 32, 0x00000000FFFFFFFFll},
 244     {"_aullshr",  &TST_aullshr,  0xFFFFFFFFFFFFFFFFll,                  0ll, 33, 0x000000007FFFFFFFll},
 245     {"_aullshr",  &TST_aullshr,  0xFFFFFFFFFFFFFFFFll,                  0ll,  0, 0xFFFFFFFFFFFFFFFFll},
 246
 247     {"_allmul",   &TST_allmul,   0xFFFFFFFFFFFFFFFFll, 0x0000000000000000ll,  0, 0x0000000000000000ll},
 248     {"_allmul",   &TST_allmul,   0x0000000000000000ll, 0xFFFFFFFFFFFFFFFFll,  0, 0x0000000000000000ll},
 249     {"_allmul",   &TST_allmul,   0x000000000FFFFFFFll, 0x0000000000000001ll,  0, 0x000000000FFFFFFFll},
 250     {"_allmul",   &TST_allmul,   0x0000000000000001ll, 0x000000000FFFFFFFll,  0, 0x000000000FFFFFFFll},
 251     {"_allmul",   &TST_allmul,   0x000000000FFFFFFFll, 0x0000000000000010ll,  0, 0x00000000FFFFFFF0ll},
 252     {"_allmul",   &TST_allmul,   0x0000000000000010ll, 0x000000000FFFFFFFll,  0, 0x00000000FFFFFFF0ll},
 253     {"_allmul",   &TST_allmul,   0x000000000FFFFFFFll, 0x0000000000000100ll,  0, 0x0000000FFFFFFF00ll},
 254     {"_allmul",   &TST_allmul,   0x0000000000000100ll, 0x000000000FFFFFFFll,  0, 0x0000000FFFFFFF00ll},
 255     {"_allmul",   &TST_allmul,   0x000000000FFFFFFFll, 0x0000000010000000ll,  0, 0x00FFFFFFF0000000ll},
 256     {"_allmul",   &TST_allmul,   0x0000000010000000ll, 0x000000000FFFFFFFll,  0, 0x00FFFFFFF0000000ll},
 257     {"_allmul",   &TST_allmul,   0x000000000FFFFFFFll, 0x0000000080000000ll,  0, 0x07FFFFFF80000000ll},
 258     {"_allmul",   &TST_allmul,   0x0000000080000000ll, 0x000000000FFFFFFFll,  0, 0x07FFFFFF80000000ll},
 259     {"_allmul",   &TST_allmul,   0xFFFFFFFFFFFFFFFEll, 0x0000000080000000ll,  0, 0xFFFFFFFF00000000ll},
 260     {"_allmul",   &TST_allmul,   0x0000000080000000ll, 0xFFFFFFFFFFFFFFFEll,  0, 0xFFFFFFFF00000000ll},
 261     {"_allmul",   &TST_allmul,   0xFFFFFFFFFFFFFFFEll, 0x0000000080000008ll,  0, 0xFFFFFFFEFFFFFFF0ll},
 262     {"_allmul",   &TST_allmul,   0x0000000080000008ll, 0xFFFFFFFFFFFFFFFEll,  0, 0xFFFFFFFEFFFFFFF0ll},
 263     {"_allmul",   &TST_allmul,   0x00000000FFFFFFFFll, 0x00000000FFFFFFFFll,  0, 0xFFFFFFFE00000001ll},
 264
 265     {"_alldiv",   &TST_alldiv,   0x0000000000000000ll, 0x0000000000000001ll,  0, 0x0000000000000000ll},
 266     {"_alldiv",   &TST_alldiv,   0x0000000000000000ll, 0xFFFFFFFFFFFFFFFFll,  0, 0x0000000000000000ll},
 267     {"_alldiv",   &TST_alldiv,   0x0000000000000001ll, 0xFFFFFFFFFFFFFFFFll,  0, 0xFFFFFFFFFFFFFFFFll},
 268     {"_alldiv",   &TST_alldiv,   0xFFFFFFFFFFFFFFFFll, 0x0000000000000001ll,  0, 0xFFFFFFFFFFFFFFFFll},
 269     {"_alldiv",   &TST_alldiv,   0x0000000000000001ll, 0xFFFFFFFFFFFFFFFFll,  0, 0xFFFFFFFFFFFFFFFFll},
 270     {"_alldiv",   &TST_alldiv,   0x0000000000000001ll, 0x0000000000000001ll,  0, 0x0000000000000001ll},
 271     {"_alldiv",   &TST_alldiv,   0xFFFFFFFFFFFFFFFFll, 0xFFFFFFFFFFFFFFFFll,  0, 0x0000000000000001ll},
 272     {"_alldiv",   &TST_alldiv,   0x000000000FFFFFFFll, 0x0000000000000001ll,  0, 0x000000000FFFFFFFll},
 273     {"_alldiv",   &TST_alldiv,   0x0000000FFFFFFFFFll, 0x0000000000000010ll,  0, 0x00000000FFFFFFFFll},
 274     {"_alldiv",   &TST_alldiv,   0x0000000000000100ll, 0x000000000FFFFFFFll,  0, 0x0000000000000000ll},
 275     {"_alldiv",   &TST_alldiv,   0x00FFFFFFF0000000ll, 0x0000000010000000ll,  0, 0x000000000FFFFFFFll},
 276     {"_alldiv",   &TST_alldiv,   0x07FFFFFF80000000ll, 0x0000000080000000ll,  0, 0x000000000FFFFFFFll},
 277     {"_alldiv",   &TST_alldiv,   0xFFFFFFFFFFFFFFFEll, 0x0000000080000000ll,  0, 0x0000000000000000ll},
 278     {"_alldiv",   &TST_alldiv,   0xFFFFFFFEFFFFFFF0ll, 0xFFFFFFFFFFFFFFFEll,  0, 0x0000000080000008ll},
 279     {"_alldiv",   &TST_alldiv,   0x7FFFFFFEFFFFFFF0ll, 0xFFFFFFFFFFFFFFFEll,  0, 0xC000000080000008ll},
 280     {"_alldiv",   &TST_alldiv,   0x7FFFFFFEFFFFFFF0ll, 0x0000FFFFFFFFFFFEll,  0, 0x0000000000007FFFll},
 281     {"_alldiv",   &TST_alldiv,   0x7FFFFFFEFFFFFFF0ll, 0x7FFFFFFEFFFFFFF0ll,  0, 0x0000000000000001ll},
 282
 283     {"_allrem",   &TST_allrem,   0x0000000000000000ll, 0x0000000000000001ll,  0, 0x0000000000000000ll},
 284     {"_allrem",   &TST_allrem,   0x0000000000000000ll, 0xFFFFFFFFFFFFFFFFll,  0, 0x0000000000000000ll},
 285     {"_allrem",   &TST_allrem,   0x0000000000000001ll, 0xFFFFFFFFFFFFFFFFll,  0, 0x0000000000000000ll},
 286     {"_allrem",   &TST_allrem,   0xFFFFFFFFFFFFFFFFll, 0x0000000000000001ll,  0, 0x0000000000000000ll},
 287     {"_allrem",   &TST_allrem,   0x0000000000000001ll, 0xFFFFFFFFFFFFFFFFll,  0, 0x0000000000000000ll},
 288     {"_allrem",   &TST_allrem,   0x0000000000000001ll, 0x0000000000000001ll,  0, 0x0000000000000000ll},
 289     {"_allrem",   &TST_allrem,   0xFFFFFFFFFFFFFFFFll, 0xFFFFFFFFFFFFFFFFll,  0, 0x0000000000000000ll},
 290     {"_allrem",   &TST_allrem,   0x000000000FFFFFFFll, 0x0000000000000001ll,  0, 0x0000000000000000ll},
 291     {"_allrem",   &TST_allrem,   0x0000000FFFFFFFFFll, 0x0000000000000010ll,  0, 0x000000000000000Fll},
 292     {"_allrem",   &TST_allrem,   0x0000000000000100ll, 0x000000000FFFFFFFll,  0, 0x0000000000000100ll},
 293     {"_allrem",   &TST_allrem,   0x00FFFFFFF0000000ll, 0x0000000010000000ll,  0, 0x0000000000000000ll},
 294     {"_allrem",   &TST_allrem,   0x07FFFFFF80000000ll, 0x0000000080000000ll,  0, 0x0000000000000000ll},
 295     {"_allrem",   &TST_allrem,   0xFFFFFFFFFFFFFFFEll, 0x0000000080000000ll,  0, 0xFFFFFFFFFFFFFFFEll},
 296     {"_allrem",   &TST_allrem,   0xFFFFFFFEFFFFFFF0ll, 0xFFFFFFFFFFFFFFFEll,  0, 0x0000000000000000ll},
 297     {"_allrem",   &TST_allrem,   0x7FFFFFFEFFFFFFF0ll, 0xFFFFFFFFFFFFFFFEll,  0, 0x0000000000000000ll},
 298     {"_allrem",   &TST_allrem,   0x7FFFFFFEFFFFFFF0ll, 0x0000FFFFFFFFFFFEll,  0, 0x0000FFFF0000FFEEll},
 299     {"_allrem",   &TST_allrem,   0x7FFFFFFEFFFFFFF0ll, 0x7FFFFFFEFFFFFFF0ll,  0, 0x0000000000000000ll},
 300
 301
 302     {"_ualldiv",  &TST_ualldiv,  0x0000000000000000ll, 0x0000000000000001ll,  0, 0x0000000000000000ll},
 303     {"_ualldiv",  &TST_ualldiv,  0x0000000000000000ll, 0xFFFFFFFFFFFFFFFFll,  0, 0x0000000000000000ll},
 304     {"_ualldiv",  &TST_ualldiv,  0x0000000000000001ll, 0xFFFFFFFFFFFFFFFFll,  0, 0x0000000000000000ll},
 305     {"_ualldiv",  &TST_ualldiv,  0xFFFFFFFFFFFFFFFFll, 0x0000000000000001ll,  0, 0xFFFFFFFFFFFFFFFFll},
 306     {"_ualldiv",  &TST_ualldiv,  0x0000000000000001ll, 0xFFFFFFFFFFFFFFFFll,  0, 0x0000000000000000ll},
 307     {"_ualldiv",  &TST_ualldiv,  0x0000000000000001ll, 0x0000000000000001ll,  0, 0x0000000000000001ll},
 308     {"_ualldiv",  &TST_ualldiv,  0xFFFFFFFFFFFFFFFFll, 0xFFFFFFFFFFFFFFFFll,  0, 0x0000000000000001ll},
 309     {"_ualldiv",  &TST_ualldiv,  0x000000000FFFFFFFll, 0x0000000000000001ll,  0, 0x000000000FFFFFFFll},
 310     {"_ualldiv",  &TST_ualldiv,  0x0000000FFFFFFFFFll, 0x0000000000000010ll,  0, 0x00000000FFFFFFFFll},
 311     {"_ualldiv",  &TST_ualldiv,  0x0000000000000100ll, 0x000000000FFFFFFFll,  0, 0x0000000000000000ll},
 312     {"_ualldiv",  &TST_ualldiv,  0x00FFFFFFF0000000ll, 0x0000000010000000ll,  0, 0x000000000FFFFFFFll},
 313     {"_ualldiv",  &TST_ualldiv,  0x07FFFFFF80000000ll, 0x0000000080000000ll,  0, 0x000000000FFFFFFFll},
 314     {"_ualldiv",  &TST_ualldiv,  0xFFFFFFFFFFFFFFFEll, 0x0000000080000000ll,  0, 0x00000001FFFFFFFFll},
 315     {"_ualldiv",  &TST_ualldiv,  0xFFFFFFFEFFFFFFF0ll, 0xFFFFFFFFFFFFFFFEll,  0, 0x0000000000000000ll},
 316     {"_ualldiv",  &TST_ualldiv,  0x7FFFFFFEFFFFFFF0ll, 0xFFFFFFFFFFFFFFFEll,  0, 0x0000000000000000ll},
 317     {"_ualldiv",  &TST_ualldiv,  0x7FFFFFFEFFFFFFF0ll, 0x0000FFFFFFFFFFFEll,  0, 0x0000000000007FFFll},
 318     {"_ualldiv",  &TST_ualldiv,  0x7FFFFFFEFFFFFFF0ll, 0x7FFFFFFEFFFFFFF0ll,  0, 0x0000000000000001ll},
 319
 320     {"_uallrem",  &TST_uallrem,  0x0000000000000000ll, 0x0000000000000001ll,  0, 0x0000000000000000ll},
 321     {"_uallrem",  &TST_uallrem,  0x0000000000000000ll, 0xFFFFFFFFFFFFFFFFll,  0, 0x0000000000000000ll},
 322     {"_uallrem",  &TST_uallrem,  0x0000000000000001ll, 0xFFFFFFFFFFFFFFFFll,  0, 0x0000000000000001ll},
 323     {"_uallrem",  &TST_uallrem,  0xFFFFFFFFFFFFFFFFll, 0x0000000000000001ll,  0, 0x0000000000000000ll},
 324     {"_uallrem",  &TST_uallrem,  0x0000000000000001ll, 0xFFFFFFFFFFFFFFFFll,  0, 0x0000000000000001ll},
 325     {"_uallrem",  &TST_uallrem,  0x0000000000000001ll, 0x0000000000000001ll,  0, 0x0000000000000000ll},
 326     {"_uallrem",  &TST_uallrem,  0xFFFFFFFFFFFFFFFFll, 0xFFFFFFFFFFFFFFFFll,  0, 0x0000000000000000ll},
 327     {"_uallrem",  &TST_uallrem,  0x000000000FFFFFFFll, 0x0000000000000001ll,  0, 0x0000000000000000ll},
 328     {"_uallrem",  &TST_uallrem,  0x0000000FFFFFFFFFll, 0x0000000000000010ll,  0, 0x000000000000000Fll},
 329     {"_uallrem",  &TST_uallrem,  0x0000000000000100ll, 0x000000000FFFFFFFll,  0, 0x0000000000000100ll},
 330     {"_uallrem",  &TST_uallrem,  0x00FFFFFFF0000000ll, 0x0000000010000000ll,  0, 0x0000000000000000ll},
 331     {"_uallrem",  &TST_uallrem,  0x07FFFFFF80000000ll, 0x0000000080000000ll,  0, 0x0000000000000000ll},
 332     {"_uallrem",  &TST_uallrem,  0xFFFFFFFFFFFFFFFEll, 0x0000000080000000ll,  0, 0x000000007FFFFFFEll},
 333     {"_uallrem",  &TST_uallrem,  0xFFFFFFFEFFFFFFF0ll, 0xFFFFFFFFFFFFFFFEll,  0, 0xFFFFFFFEFFFFFFF0ll},
 334     {"_uallrem",  &TST_uallrem,  0x7FFFFFFEFFFFFFF0ll, 0xFFFFFFFFFFFFFFFEll,  0, 0x7FFFFFFEFFFFFFF0ll},
 335     {"_uallrem",  &TST_uallrem,  0x7FFFFFFEFFFFFFF0ll, 0x0000FFFFFFFFFFFEll,  0, 0x0000FFFF0000FFEEll},
 336     {"_uallrem",  &TST_uallrem,  0x7FFFFFFEFFFFFFF0ll, 0x7FFFFFFEFFFFFFF0ll,  0, 0x0000000000000000ll},
 337
 338     {NULL}
 339 };
 340
 341 int
 342 Test64Bit (SDL_bool verbose)
 343 {
 344     LL_Test *t;
 345     int failed = 0;
 346
 347     for (t = LL_Tests; t->routine != NULL; t++) {
 348         unsigned long long result = 0;
 349         unsigned int *al = (unsigned int *)&t->a;
 350         unsigned int *bl = (unsigned int *)&t->b;
 351         unsigned int *el = (unsigned int *)&t->expected_result;
 352         unsigned int *rl = (unsigned int *)&result;
 353
 354         if (!t->routine(&t->a, &t->b, t->arg, &result, &t->expected_result)) {
 355             if (verbose)
 356                 SDL_Log("%s(0x%08X%08X, 0x%08X%08X, %3d, produced: 0x%08X%08X, expected: 0x%08X%08X\n",
 357                         t->operation, al[1], al[0], bl[1], bl[0], t->arg, rl[1], rl[0], el[1], el[0]);
 358             ++failed;
 359         }
 360     }
 361     if (verbose && (failed == 0))
 362         SDL_Log("All 64bit instrinsic tests passed\n");
 363     return (failed ? 1 : 0);
 364 }
 365
 366 int
 367 TestCPUInfo(SDL_bool verbose)
 368 {
 369     if (verbose) {
 370         SDL_Log("CPU count: %d\n", SDL_GetCPUCount());
 371         SDL_Log("CPU cache line size: %d\n", SDL_GetCPUCacheLineSize());
 372         SDL_Log("RDTSC %s\n", SDL_HasRDTSC()? "detected" : "not detected");
 373         SDL_Log("AltiVec %s\n", SDL_HasAltiVec()? "detected" : "not detected");
 374         SDL_Log("MMX %s\n", SDL_HasMMX()? "detected" : "not detected");
 375         SDL_Log("3DNow! %s\n", SDL_Has3DNow()? "detected" : "not detected");
 376         SDL_Log("SSE %s\n", SDL_HasSSE()? "detected" : "not detected");
 377         SDL_Log("SSE2 %s\n", SDL_HasSSE2()? "detected" : "not detected");
 378         SDL_Log("SSE3 %s\n", SDL_HasSSE3()? "detected" : "not detected");
 379         SDL_Log("SSE4.1 %s\n", SDL_HasSSE41()? "detected" : "not detected");
 380         SDL_Log("SSE4.2 %s\n", SDL_HasSSE42()? "detected" : "not detected");
 381         SDL_Log("AVX %s\n", SDL_HasAVX()? "detected" : "not detected");
 382         SDL_Log("AVX2 %s\n", SDL_HasAVX2()? "detected" : "not detected");
 383         SDL_Log("AVX-512F %s\n", SDL_HasAVX512F()? "detected" : "not detected");
 384         SDL_Log("NEON %s\n", SDL_HasNEON()? "detected" : "not detected");
 385         SDL_Log("System RAM %d MB\n", SDL_GetSystemRAM());
 386     }
 387     return (0);
 388 }
 389
 390 int
 391 TestAssertions(SDL_bool verbose)
 392 {
 393     SDL_assert(1);
 394     SDL_assert_release(1);
 395     SDL_assert_paranoid(1);
 396     SDL_assert(0 || 1);
 397     SDL_assert_release(0 || 1);
 398     SDL_assert_paranoid(0 || 1);
 399
 400 #if 0   /* enable this to test assertion failures. */
 401     SDL_assert_release(1 == 2);
 402     SDL_assert_release(5 < 4);
 403     SDL_assert_release(0 && "This is a test");
 404 #endif
 405
 406     {
 407         const SDL_AssertData *item = SDL_GetAssertionReport();
 408         while (item) {
 409             SDL_Log("'%s', %s (%s:%d), triggered %u times, always ignore: %s.\n",
 410                 item->condition, item->function, item->filename,
 411                 item->linenum, item->trigger_count,
 412                 item->always_ignore ? "yes" : "no");
 413             item = item->next;
 414         }
 415     }
 416     return (0);
 417 }
 418 int
 419 main(int argc, char *argv[])
 420 {
 421     SDL_bool verbose = SDL_TRUE;
 422     int status = 0;
 423
 424     /* Enable standard application logging */
 425     SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
 426
 427     if (argv[1] && (SDL_strcmp(argv[1], "-q") == 0)) {
 428         verbose = SDL_FALSE;
 429     }
 430     if (verbose) {
 431         SDL_Log("This system is running %s\n", SDL_GetPlatform());
 432     }
 433
 434     status += TestTypes(verbose);
 435     status += TestEndian(verbose);
 436     status += Test64Bit(verbose);
 437     status += TestCPUInfo(verbose);
 438     status += TestAssertions(verbose);
 439
 440     return status;
 441 }