sim/testsuite/common/alu-tst.c

   1 #define WITH_TARGET_WORD_MSB 0
   2 #define WITH_TARGET_WORD_BITSIZE 64
   3 #define WITH_HOST_WORD_BITSIZE (sizeof (int) * 8)
   4 #define WITH_TARGET_BYTE_ORDER BIG_ENDIAN /* does not matter */
   5
   6 #define ASSERT(EXPRESSION) \
   7 { \
   8   if (!(EXPRESSION)) { \
   9     fprintf (stderr, "%s:%d: assertion failed - %s\n", \
  10              __FILE__, __LINE__, #EXPRESSION); \
  11     abort (); \
  12   } \
  13 }
  14
  15 #define SIM_BITS_INLINE (INCLUDE_MODULE | INCLUDED_BY_MODULE)
  16
  17 #include <string.h>
  18
  19 #include "sim-basics.h"
  20
  21 #include "sim-alu.h"
  22
  23 #include <stdio.h>
  24
  25 typedef struct {
  26   char *op;
  27   unsigned64 arg;
  28 } alu_op;
  29
  30 typedef struct {
  31   unsigned64 begin;
  32   alu_op ops[4];
  33   unsigned64 result;
  34   int carry_borrow;
  35   int overflow;
  36 } alu_test;
  37
  38 #define MAX_INT8 UNSIGNED64 (127)
  39 #define MIN_INT8 UNSIGNED64 (128)
  40
  41 #define MAX_INT16 UNSIGNED64 (32767)
  42 #define MIN_INT16 UNSIGNED64 (32768)
  43
  44 #define MAX_INT32 UNSIGNED64 (0x7fffffff)
  45 #define MIN_INT32 UNSIGNED64 (0x80000000)
  46
  47 #define MAX_INT64 UNSIGNED64 (0x7fffffffffffffff)
  48 #define MIN_INT64 UNSIGNED64 (0x8000000000000000)
  49
  50 static void
  51 print_hex (unsigned64 val, int nr_bits)
  52 {
  53   switch (nr_bits)
  54     {
  55     case 8:
  56       printf ("0x%02lx", (long) (unsigned8) (val));
  57       break;
  58     case 16:
  59       printf ("0x%04lx", (long) (unsigned16) (val));
  60       break;
  61     case 32:
  62       printf ("0x%08lx", (long) (unsigned32) (val));
  63       break;
  64     case 64:
  65       printf ("0x%08lx%08lx",
  66               (long) (unsigned32) (val >> 32),
  67               (long) (unsigned32) (val));
  68       break;
  69     default:
  70       abort ();
  71     }
  72 }
  73
  74
  75 int errors = 0;
  76
  77
  78 #define N 8
  79 #include "alu-n-tst.h"
  80 #undef N
  81
  82 #define N 16
  83 #include "alu-n-tst.h"
  84 #undef N
  85
  86 #define N 32
  87 #include "alu-n-tst.h"
  88 #undef N
  89
  90 #define N 64
  91 #include "alu-n-tst.h"
  92 #undef N
  93
  94
  95
  96 int
  97 main ()
  98 {
  99   do_alu_8_tests ();
 100   do_alu_16_tests ();
 101   do_alu_32_tests ();
 102   do_alu_64_tests ();
 103   return (errors != 0);
 104 }