// { dg-do run { target { { i?86-*-* x86_64-*-* } && ilp32 } } }
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// { dg-do run { target { { i?86-*-* x86_64-*-* } && ilp32 } } }
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// { dg-options "-O2" }
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// { dg-options "-O2" }
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typedef unsigned long long uint64;
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typedef unsigned long long uint64;
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typedef __SIZE_TYPE__ size_t;
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typedef __SIZE_TYPE__ size_t;
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extern "C" {
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extern "C" {
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extern void *memcpy (void *__restrict __dest,
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extern void *memcpy (void *__restrict __dest,
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__const void *__restrict __src, size_t __n) /*throw ()*/;
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__const void *__restrict __src, size_t __n) /*throw ()*/;
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extern void abort (void);
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extern void abort (void);
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}
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}
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extern void foo (void* p);
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extern void foo (void* p);
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inline uint64
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inline uint64
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ghtonll(uint64 x)
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ghtonll(uint64 x)
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{
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{
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// __r is allocated the same stack slot as dest below
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// __r is allocated the same stack slot as dest below
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union { unsigned long long int __ll;
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union { unsigned long long int __ll;
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unsigned long int __l[2]; } __w, __r;
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unsigned long int __l[2]; } __w, __r;
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__w.__ll = x;
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__w.__ll = x;
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__r.__l[0] = (
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__r.__l[0] = (
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{
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{
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register unsigned int __v;
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register unsigned int __v;
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__asm__ __volatile__ ("bswap %0" : "=r" (__v) :
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__asm__ __volatile__ ("bswap %0" : "=r" (__v) :
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"0" ((unsigned int) (__w.__l[1])));
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"0" ((unsigned int) (__w.__l[1])));
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__v; });
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__v; });
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__r.__l[1] = (
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__r.__l[1] = (
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{
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{
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register unsigned int __v;
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register unsigned int __v;
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__asm__ __volatile__ ("bswap %0" : "=r" (__v) :
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__asm__ __volatile__ ("bswap %0" : "=r" (__v) :
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"0" ((unsigned int) (__w.__l[0])));
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"0" ((unsigned int) (__w.__l[0])));
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__v; });
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__v; });
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return __r.__ll;
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return __r.__ll;
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}
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}
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inline uint64
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inline uint64
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double_2_uint64 (const double *source)
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double_2_uint64 (const double *source)
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{
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{
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uint64 dest; // allocated the same stack slot as __r above
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uint64 dest; // allocated the same stack slot as __r above
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memcpy(&dest, source, sizeof(dest));
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memcpy(&dest, source, sizeof(dest));
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return dest;
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return dest;
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}
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}
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inline void
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inline void
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KeyFromUint64(uint64 fp) {
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KeyFromUint64(uint64 fp) {
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uint64 norder;
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uint64 norder;
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norder = ghtonll (fp);
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norder = ghtonll (fp);
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foo((char*)(&norder));
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foo((char*)(&norder));
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}
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}
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void
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void
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KeyFromDouble(double x) {
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KeyFromDouble(double x) {
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uint64 n = double_2_uint64 (&x);
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uint64 n = double_2_uint64 (&x);
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if (n >= 42) {
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if (n >= 42) {
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n += 1;
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n += 1;
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}
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}
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KeyFromUint64(n);
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KeyFromUint64(n);
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}
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}
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#define NUM 0x0123456789abcdefll
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#define NUM 0x0123456789abcdefll
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#define EXPECTED 0xe0bc9a7856347243ll
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#define EXPECTED 0xe0bc9a7856347243ll
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void foo (void *x)
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void foo (void *x)
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{
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{
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if (*((uint64 *)x) != (uint64) EXPECTED)
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if (*((uint64 *)x) != (uint64) EXPECTED)
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abort ();
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abort ();
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}
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}
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int main ()
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int main ()
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{
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{
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if (sizeof (double) != sizeof (uint64))
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if (sizeof (double) != sizeof (uint64))
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return 0;
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return 0;
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if (sizeof (uint64) == sizeof (unsigned long int))
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if (sizeof (uint64) == sizeof (unsigned long int))
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return 0;
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return 0;
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KeyFromDouble ((double)NUM);
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KeyFromDouble ((double)NUM);
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return 0;
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return 0;
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}
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}
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