Viewing file:  ftrapv-2.c (1.45 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
/* Copyright (C) 2004 Free Software Foundation.
PR other/18665
Verify that -ftrapv doesn't produce bogus results
on 64-bit platforms.
Written by Eric Botcazou */
/* { dg-do run } */
/* { dg-options "-ftrapv" } */
/* { dg-require-effective-target trapping } */
extern void abort(void);
extern int abs(int);
extern long labs(long);
int __attribute__((noinline))
iabsv(int a)
{
return abs(a);
}
int __attribute__((noinline))
iaddv(int a, int b)
{
return a + b;
}
int __attribute__((noinline))
isubv(int a, int b)
{
return a - b;
}
int __attribute__((noinline))
imulv(int a, int b)
{
return a * b;
}
int __attribute__((noinline))
inegv(int a)
{
return -a;
}
long __attribute__((noinline))
labsv(long a)
{
return labs(a);
}
long __attribute__((noinline))
laddv(long a, long b)
{
return a + b;
}
long __attribute__((noinline))
lsubv(long a, long b)
{
return a - b;
}
long __attribute__((noinline))
lmulv(long a, long b)
{
return a * b;
}
long __attribute__((noinline))
lnegv(long a)
{
return -a;
}
int main(void)
{
if (iabsv (-1) != 1)
abort ();
if (iaddv (2,-3) != -1)
abort ();
if (isubv (2,3) != -1)
abort ();
if (imulv (-2,3) != -6)
abort ();
if (inegv (-1) != 1)
abort ();
if (labsv (-1L) != 1L)
abort ();
if (laddv (2L,-3L) != -1L)
abort ();
if (lsubv (2L,3L) != -1L)
abort ();
if (lmulv (-2L,3L) != -6L)
abort ();
if (lnegv (-1L) != 1L)
abort ();
return 0;
}
|
