URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-stable/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [fwrapv-2.c] - Diff between revs 816 and 826

Rev 816	Rev 826
`/* Copyright (C) 2003 Free Software Foundation.`	`/* Copyright (C) 2003 Free Software Foundation.`

`Test that the -fno-wrapv command line option is accepted and enables`	`Test that the -fno-wrapv command line option is accepted and enables`
`"unsafe" optimizations that rely on undefined arithmetic overflow.`	`"unsafe" optimizations that rely on undefined arithmetic overflow.`

`Written by Roger Sayle, 31st May 2003. */`	`Written by Roger Sayle, 31st May 2003. */`

`/* { dg-do run } */`	`/* { dg-do run } */`
`/* { dg-options "-O2 -fno-wrapv" } */`	`/* { dg-options "-O2 -fno-wrapv" } */`

`#include <limits.h>`	`#include <limits.h>`

`extern void abort ();`	`extern void abort ();`

`int test(int x)`	`int test(int x)`
`{`	`{`
`return (2*x)/2;`	`return (2*x)/2;`
`}`	`}`

`main()`	`main()`
`{`	`{`
`int x = INT_MAX;`	`int x = INT_MAX;`

`if (test(x) != x)`	`if (test(x) != x)`
`abort ();`	`abort ();`
`return 0;`	`return 0;`
`}`	`}`