sdcc/support/regression/tests/libmullong.c.in

   1 /* Test _mullong.c from library
   2
   3     type: asm, c
   4  */
   5 #include <testfwk.h>
   6
   7 #ifndef PORT_HOST // No longer works
   8
   9 #if !defined(__SDCC_pdk14) // Lack of memory
  10 #define type_{type}
  11
  12 #if defined(PORT_HOST)
  13 #  include "sdccconf.h"
  14 #  define mullong(a,b) mullong_wrapper(a,b)
  15 #  if defined(type_c) && !defined(WORDS_BIGENDIAN)
  16 #    define _SDCC_NO_ASM_LIB_FUNCS 1
  17 #    define __near
  18 #    define long int
  19 #    include "device/lib/_mullong.c"
  20 #  endif
  21 #else
  22 #  if defined(type_c)
  23 #    define _SDCC_NO_ASM_LIB_FUNCS 1
  24 #  endif
  25 #  include "device/lib/_mullong.c"
  26 #  define mullong _mullong
  27 #endif
  28
  29 /* gcc 2.95.2 on usf-cf-x86-linux-1 (debian 2.2) has a bug with
  30  * packing structs
  31  */
  32 #if defined(PORT_HOST)
  33
  34 #define TYPE_TARGET_CHAR  TYPE_BYTE
  35 #define TYPE_TARGET_INT   TYPE_WORD
  36 #define TYPE_TARGET_LONG  TYPE_DWORD
  37 #define TYPE_TARGET_UCHAR TYPE_UBYTE
  38 #define TYPE_TARGET_UINT  TYPE_UWORD
  39 #define TYPE_TARGET_ULONG TYPE_UDWORD
  40
  41 #if defined(type_c) && !defined(WORDS_BIGENDIAN)
  42 struct
  43 {
  44   char c1;
  45   short i;
  46   char c2;
  47 } pack_test;
  48
  49 TYPE_TARGET_LONG
  50 mullong_wrapper (TYPE_TARGET_LONG a, TYPE_TARGET_LONG b)
  51 {
  52   if (sizeof(pack_test) == 4)
  53     /* length of struct ok: use SDCC library */
  54     return _mullong (a, b);
  55   else
  56     {
  57       /* buggy gcc: use generic multiplication */
  58       return a * b;
  59     }
  60 }
  61
  62 #else
  63
  64 TYPE_TARGET_LONG
  65 mullong_wrapper (TYPE_TARGET_LONG a, TYPE_TARGET_LONG b)
  66 {
  67     return a * b;
  68 }
  69
  70 #endif
  71
  72 #endif
  73
  74 #endif
  75
  76 #endif
  77
  78 void
  79 testlibmullong(void)
  80 {
  81 #ifndef PORT_HOST
  82 #if !defined(__SDCC_pdk14) && !defined(__SDCC_pdk15) // Lack of memory
  83   ASSERT(mullong (         0,          0) ==          0);
  84   ASSERT(mullong (     0x100,      0x100) ==    0x10000);
  85   ASSERT(mullong (0x01020304,          3) == 0x0306090c);
  86   ASSERT(mullong (         3, 0x01020304) == 0x0306090c);
  87   ASSERT(mullong (0x000000ff,          2) == 0x000001fe);
  88   ASSERT(mullong (         2, 0x000000ff) == 0x000001fe);
  89   ASSERT(mullong (0x00007fff,          4) == 0x0001fffc);
  90   ASSERT(mullong (         4, 0x00007fff) == 0x0001fffc);
  91   ASSERT(mullong (0x003fffff,          8) == 0x01fffff8);
  92   ASSERT(mullong (         8, 0x003fffff) == 0x01fffff8);
  93
  94   ASSERT(mullong (      0x33,       0x34) == 0x00000a5c);
  95   ASSERT(mullong (      0x34,       0x33) == 0x00000a5c);
  96   ASSERT(mullong (    0x3334,     0x3536) == 0x0aa490f8);
  97   ASSERT(mullong (    0x3536,     0x3334) == 0x0aa490f8);
  98   ASSERT(mullong (  0x333435,   0x363738) == 0x0e98ce98);
  99   ASSERT(mullong (  0x363738,   0x333435) == 0x0e98ce98);
 100   ASSERT(mullong (0x33343536, 0x3738393a) == 0x777d143c);
 101   ASSERT(mullong (0x3738393a, 0x33343536) == 0x777d143c);
 102
 103   ASSERT(mullong (      0xff,       0xfe) == 0x0000fd02);
 104   ASSERT(mullong (      0xfe,       0xff) == 0x0000fd02);
 105   ASSERT(mullong (    0xfffe,     0xfdfc) == 0xfdfa0408);
 106   ASSERT(mullong (    0xfdfc,     0xfffe) == 0xfdfa0408);
 107   ASSERT(mullong (  0xfffefd,   0xfcfbfa) == 0xfa0d1212);
 108   ASSERT(mullong (  0xfcfbfa,   0xfffefd) == 0xfa0d1212);
 109   ASSERT(mullong (0xfffefdfc, 0xfbfaf9f8) == 0x20282820);
 110   ASSERT(mullong (0xfbfaf9f8, 0xfffefdfc) == 0x20282820);
 111
 112   ASSERT(mullong (0xff000000, 0xff000000) ==          0);
 113   ASSERT(mullong (0xffff0000, 0xffff0000) ==          0);
 114   ASSERT(mullong (0xfffffe00, 0xfffffd00) == 0x00060000);
 115   ASSERT(mullong (0xfffffd00, 0xfffffe00) == 0x00060000);
 116   ASSERT(mullong (0xfffffefd, 0xfffffcfb) == 0x00030e0f);
 117   ASSERT(mullong (0xfffffcfb, 0xfffffefd) == 0x00030e0f);
 118
 119   ASSERT(mullong (0xffffffff, 0xffffffff) ==          1);
 120 #endif
 121 #endif
 122 }