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/*
20111208-1.c from the execute part of the gcc torture suite.
*/
#include <testfwk.h>
#ifdef __SDCC
#pragma std_c99
#endif
#include <stdint.h>
#include <string.h>
#if !(defined (__GNUC__) && __GNUC__ < 5)
/* PR tree-optimization/51315 */
/* Reported by Jurij Smakov <jurij@wooyd.org> */
int a;
static void
do_something (int item)
{
a = item;
}
int
pack_unpack (char *s, char *p)
{
char *send, *pend;
char type;
int integer_size;
send = s + strlen (s);
pend = p + strlen (p);
while (p < pend)
{
type = *p++;
switch (type)
{
case 's':
integer_size = 2;
goto unpack_integer;
case 'l':
integer_size = 4;
goto unpack_integer;
unpack_integer:
switch (integer_size)
{
case 2:
{
union
{
int16_t i;
char a[sizeof (int16_t)];
}
v;
memcpy (v.a, s, sizeof (int16_t));
s += sizeof (int16_t);
do_something (v.i);
}
break;
case 4:
{
union
{
int32_t i;
char a[sizeof (int32_t)];
}
v;
memcpy (v.a, s, sizeof (int32_t));
s += sizeof (int32_t);
do_something (v.i);
}
break;
}
break;
}
}
return (int) *s;
}
#endif
void
testTortureExecute (void)
{
#if !(defined (__GNUC__) && __GNUC__ < 5)
int n = pack_unpack ("\200\001\377\376\035\300", "sl");
if (n != 0)
ASSERT (0);
return;
#endif
}
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