Viewing file:  pr41264-1.c (1.15 KB) -rw-r--r--
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/* { dg-do compile } */
/* { dg-options "-Wno-attributes" } */
#if (__SIZEOF_INT__ <= 2)
typedef unsigned long hashval_t;
#else
typedef unsigned int hashval_t;
#endif
static hashval_t __attribute__((always_inline))
iterative_hash_host_wide_int (long val, hashval_t val2)
{
hashval_t a = (hashval_t) val;
int zero = 0;
hashval_t b = (hashval_t) (val >> (sizeof (hashval_t) * 8 + zero));
a -= b; a -= val2; a ^= (val2>>13);
b -= val2; b -= a; b ^= (a<< 8);
val2 -= a; val2 -= b; val2 ^= ((b&0xffffffff)>>13);
a -= b; a -= val2; a ^= ((val2&0xffffffff)>>12);
b -= val2; b -= a; b = (b ^ (a<<16)) & 0xffffffff;
val2 -= a; val2 -= b; val2 = (val2 ^ (b>> 5)) & 0xffffffff;
a -= b; a -= val2; a = (a ^ (val2>> 3)) & 0xffffffff;
b -= val2; b -= a; b = (b ^ (a<<10)) & 0xffffffff;
val2 -= a; val2 -= b; val2 = (val2 ^ (b>>15)) & 0xffffffff;
return val2;
}
hashval_t
bla (int nunits, int mode)
{
hashval_t hashcode = 0;
hashcode = iterative_hash_host_wide_int (14, hashcode);
hashcode = iterative_hash_host_wide_int (nunits, hashcode);
hashcode = iterative_hash_host_wide_int (mode, hashcode);
if (nunits)
return 0;
else
return hashcode;
}
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