mirror of
https://github.com/nArnoSNES/tcc-65816.git
synced 2024-12-28 23:33:43 +00:00
29 lines
456 B
C
29 lines
456 B
C
|
/* Copyright (C) 2003 Free Software Foundation.
|
||
|
|
|
||
|
|
Test that the -fwrapv command line option is accepted and disables
|
||
|
|
"unsafe" optimizations that rely on undefined arithmetic overflow.
|
||
|
|
|
||
|
|
Written by Roger Sayle, 24th March 2003. */
|
||
|
|
|
||
|
|
/* { dg-do run } */
|
||
|
|
/* { dg-options "-O2 -fwrapv" } */
|
||
|
|
|
||
|
|
#include <limits.h>
|
||
|
|
|
||
|
|
extern void abort ();
|
||
|
|
|
||
|
|
int test(int x)
|
||
|
|
{
|
||
|
|
return (2*x)/2;
|
||
|
|
}
|
||
|
|
|
||
|
|
main()
|
||
|
|
{
|
||
|
|
int x = INT_MAX;
|
||
|
|
|
||
|
|
if (test(x) == x)
|
||
|
|
abort ();
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|