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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [range-test-1.c] - Blame information for rev 816

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1 149 jeremybenn 
/* Test fold-const.c (fold_range_test) optimizations.  */
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/* { dg-do run } */
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/* { dg-options "-O2" } */
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5 
#include <stdlib.h>
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#include <stdio.h>
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#include <limits.h>
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#if (INT_MAX == 2147483647) && (INT_MIN == -2147483648) \
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    && (SCHAR_MIN == -128) && (SCHAR_MAX == 127) \
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    && (UCHAR_MIN == 0) && (UCHAR_MAX == 255)
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#ifndef T
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15 
enum integers
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{
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  int_smallest = INT_MIN,
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  int_2ndsmallest = INT_MIN + 1,
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  int_3rdsmallest = INT_MIN + 2,
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  int_minus2 = -2,
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  int_minus1 = -1,
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  int_zero = 0,
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  int_one = 1,
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  int_two = 2,
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  int_3rdlargest = INT_MAX - 2,
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  int_2ndlargest = INT_MAX - 1,
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  int_largest = INT_MAX
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};
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int var;
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void
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check (void)
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{
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  ++var;
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}
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#define T(IDX, TYPE, TEST, YESARR, NOARR)                               \
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void __attribute__((noinline))                                          \
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test##IDX (TYPE x)                                                      \
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{                                                                       \
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  if (TEST)                                                             \
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    check ();                                                           \
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}
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#include "range-test-1.c"
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#undef T
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int
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main (void)
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{
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  int i, fails = 0;
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#define C ,
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#define T(IDX, TYPE, TEST, YESARR, NOARR)                               \
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  {                                                                     \
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    static TYPE yesarr##IDX [] = YESARR;                                \
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    static TYPE noarr##IDX [] = NOARR;                                  \
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    for (i = 0; i < (int) (sizeof (yesarr##IDX) / sizeof (TYPE)); ++i)   \
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      {                                                                 \
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        var = 0;                                                 \
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        test##IDX (yesarr##IDX [i]);                                    \
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        if (var != 1)                                                   \
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          printf ("test" #IDX " failed for yesarr [%u]\n", i), ++fails; \
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      }                                                                 \
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    var = 0;                                                             \
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    for (i = 0; i < (int) (sizeof (noarr##IDX) / sizeof (TYPE)); ++i)    \
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      {                                                                 \
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        test##IDX (noarr##IDX [i]);                                     \
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        if (var != 0)                                                    \
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          printf ("test" #IDX " failed for noarr [%u]\n", i), ++fails;  \
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      }                                                                 \
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  }
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#include "range-test-1.c"
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#undef T
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75 
  if (fails)
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    abort ();
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  exit (0);
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}
80 
 
81 
#else
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83 
/* Use `C' instead of `,' below to separate array entries.  */
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85 
/* These ought to be all optimized into single comparison.  */
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T(1, unsigned int, x == 0 || x == 1,
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  { 0 C 1 }, { -1U C 2 C 12 C 35 C 0x7fffffff C 0x80000000 })
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T(2, unsigned int, x == 0 || x == -1U || x == -2U,
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  { 0 C -1U C -2U }, { -3U C -6U C 1 C 2 C 12 C 35 C 0x7fffffff C 0x80000000 })
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T(3, unsigned int, x == 0 || x == 1 || x == 2,
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  { 0 C 1 C 2 }, { -3U C -6U C -1U C -2U C 12 C 35 C 0x7fffffff C 0x80000000 })
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T(4, unsigned int, x == 3 || x == 4 || x == 5 || x == 6,
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  { 3 C 4 C 5 C 6 }, { -3U C 0 C 1 C 2 C 7 C 8 C 12 C 0x7fffffff C 0x80000000 })
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T(5, unsigned int, x == -3U || x == -4U || x == -5U || x == -6U,
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  { -3U C -4U C -5U C -6U }, { -7U C -8U C -2U C -1U C 1 C 2 C 0x7fffffff C 0x80000000 })
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T(6, unsigned int, x == -3U || x == -4U || x == -5U,
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  { -3U C -4U C -5U }, { -6U C -7U C -8U C -2U C -1U C 1 C 2 C 0x7fffffff C 0x80000000 })
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T(7, char *, x == (char *) -3UL || x == (char *) -4UL || x == (char *) -5UL,
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  { (char *) -3UL C (char *) -4UL C (char *) -5UL },
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  { (char *) -6UL C (char *) -20UL C (char *) -2UL C (char *) -1UL C (char *) 0
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    C (char *) 1UL C (char *) 35UL C (char *) 0x7fffffffUL C (char *) 0x80000000UL })
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T(8, unsigned long, x == -2UL || x == -1UL || x == 0,
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  { 0 C -1UL C -2UL }, { -3UL C -6UL C 1 C 2 C 12 C 35 C 0x7fffffff C 0x80000000 })
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T(9, unsigned long, x >= -4UL || x <= 8,
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  { -4UL C -3UL C -2UL C -1UL C 0 C 1 C 2 C 3 C 4 C 5 C 6 C 7 C 8 },
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  { -7UL C -5UL C 9 C 10 C 61 C 127 C 0x7fffffff C 0x80000000 })
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T(10, signed char, x == 0 || x == -1 || x == -2 || x == -3,
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  { 0 C -1 C -2 C -3 }, { -4 C -5 C 1 C 2 C 3 C 35 C -24 })
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T(11, int, x == 0 || x == 1,
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  { 0 C 1 }, { -1 C 2 C 12 C 35 C INT_MAX C INT_MIN })
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T(12, int, x == 0 || x == -1 || x == -2,
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  { 0 C -1 C -2 }, { -3 C -6 C 1 C 2 C 12 C 35 C INT_MAX C INT_MIN })
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T(13, int, x == 0 || x == 1 || x == 2,
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  { 0 C 1 C 2 }, { -3 C -6 C -1 C -2 C 12 C 35 C INT_MAX C INT_MIN })
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T(14, int, x == 3 || x == 4 || x == 5 || x == 6,
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  { 3 C 4 C 5 C 6 }, { -3 C 0 C 1 C 2 C 7 C 8 C 12 C INT_MAX C INT_MIN })
117 
T(15, int, x == -3 || x == -4 || x == -5 || x == -6,
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  { -3 C -4 C -5 C -6 }, { -7 C -8 C -2 C -1 C 1 C 2 C INT_MAX C INT_MIN })
119 
T(16, int, x == -3 || x == -4 || x == -5,
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  { -3 C -4 C -5 }, { -6 C -7 C -8 C -2 C -1 C 1 C 2 C INT_MAX C INT_MIN })
121 
T(17, unsigned int, (x >= -8U && x <= -3U) || x == -2U || x == -1U || x == 0 || x == 1 || x == 2,
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  { -8U C -7U C -6U C -5U C -4U C -3U C -2U C -1U C 0 C 1 C 2 },
123 
  { -9U C -10U C 3 C 4 C 12 C -54U C INT_MAX C INT_MIN })
124 
T(18, int, (x >= -8 && x <= -3) || x == -2 || x == -1 || x == 0 || x == 1 || x == 2,
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  { -8 C -7 C -6 C -5 C -4 C -3 C -2 C -1 C 0 C 1 C 2 },
126 
  { -9 C -10 C 3 C 4 C 12 C -54 C INT_MAX C INT_MIN })
127 
T(19, unsigned long, (x >= 0 && x <= 16) || (x >= 18 && x <= -1UL),
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  { -3UL C -6UL C -1UL C 0 C 1 C 2 C 12 C 15 C 16 C 18 C 19 C 35 C 0x7fffffff
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    C 0x80000000 }, { 17 })
130 
T(20, char *, x == (char *) -1UL || x == 0,
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  { (char *) -1UL C 0 }, { (char *) -6UL C (char *) -20UL C (char *) -2UL
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    C (char *) 1UL C (char *) 35UL C (char *) 0x7fffffffUL C (char *) 0x80000000UL })
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T(21, enum integers, x == int_zero || x == int_one,
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  { int_zero C int_one }, { int_minus1 C int_two C 12 C 35 C int_largest C int_smallest })
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T(22, int, x == INT_MIN || x == INT_MAX,
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  { INT_MIN C INT_MAX },
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  { -1 C 0 C 1 C INT_MAX - 1 C INT_MAX - 2 C INT_MIN + 1 C INT_MIN + 2 })
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T(23, int, x == INT_MIN + 1 || x == INT_MIN + 2 || x == INT_MIN || x == INT_MAX,
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  { INT_MIN + 1 C INT_MIN + 2 C INT_MIN C INT_MAX },
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  { -1 C 0 C 1 C INT_MAX - 1 C INT_MAX - 2 C INT_MIN + 3 C INT_MIN + 4 })
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T(24, signed char, x == SCHAR_MIN || x == SCHAR_MAX,
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  { SCHAR_MIN C SCHAR_MAX },
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  { -1 C 0 C 1 C SCHAR_MAX - 1 C SCHAR_MAX - 2 C SCHAR_MIN + 1 C SCHAR_MIN + 2 })
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T(25, enum integers, x == int_smallest || x == int_largest,
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  { int_smallest C int_largest }, { int_minus1 C int_zero C int_one
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    C int_2ndsmallest C int_2ndlargest C int_3rdsmallest C int_3rdlargest })
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148 
/* This should be optimized into unconditional jump.  */
149 
T(o1, unsigned long, (x >= 0 && x <= 16) || (x >= 17 && x <= -1UL),
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  { -3UL C -6UL C -1UL C 0 C 1 C 2 C 12 C 15 C 16 C 17 C 18 C 19 C 35 C 0x7fffffff
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    C 0x80000000 }, { })
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T(o2, unsigned long, (x >= 0 && x <= -3UL) || (x == -2UL || x == -1UL),
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  { -3UL C -6UL C -1UL C 0 C 1 C 2 C 12 C 15 C 16 C 17 C 18 C 19 C 35 C 0x7fffffff
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    C 0x80000000 }, { })
155 
 
156 
/* This should be eventually optimized into a single comparison.  */
157 
T(td1, unsigned char, x == 0 || x == 4 || x == 1 || x == 5 || x == 2 || x == 6 || x == 3,
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  { 0 C 1 C 2 C 3 C 4 C 5 C 6 }, { 7 C 8 C 127 C 128 C 254 C 255 })
159 
 
160 
#endif
161 
 
162 
#else
163 
int
164 
main (void)
165 
{
166 
  return 0;
167 
}
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#endif

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