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/*
pr31169.c from the execute part of the gcc torture tests.
*/
#include <testfwk.h>
#ifdef __SDCC
#pragma std_c99
#endif
#define HOST_WIDE_INT long
#define HOST_BITS_PER_WIDE_INT (sizeof(long)*8)
#ifndef __SDCC_pic16 // TODO: enable when the pic16 ports supports bitfields of size greater than 8 bits!
struct tree_type
{
unsigned int precision : 9;
};
int
sign_bit_p (struct tree_type *t, HOST_WIDE_INT val_hi, unsigned HOST_WIDE_INT val_lo)
{
unsigned HOST_WIDE_INT mask_lo, lo;
HOST_WIDE_INT mask_hi, hi;
int width = t->precision;
if (width > HOST_BITS_PER_WIDE_INT)
{
hi = (unsigned HOST_WIDE_INT) 1 << (width - HOST_BITS_PER_WIDE_INT - 1);
lo = 0;
mask_hi = ((unsigned HOST_WIDE_INT) -1
>> (2 * HOST_BITS_PER_WIDE_INT - width));
mask_lo = -1;
}
else
{
hi = 0;
lo = (unsigned HOST_WIDE_INT) 1 << (width - 1);
mask_hi = 0;
mask_lo = ((unsigned HOST_WIDE_INT) -1
>> (HOST_BITS_PER_WIDE_INT - width));
}
if ((val_hi & mask_hi) == hi
&& (val_lo & mask_lo) == lo)
return 1;
return 0;
}
#endif
void
testTortureExecute (void)
{
#ifndef __SDCC_pic16 // TODO: enable when the pic16 ports supports bitfields of size greater than 8 bits!
struct tree_type t;
t.precision = 1;
if (!sign_bit_p (&t, 0, -1))
ASSERT (0);
return;
#endif
}
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