Re: [Qemu-devel] [PATCH v2] Fix compilation of check-qint.c by using a long long integer constant

[Luiz Capitulino <lcapitulino@redhat.com>]

On Fri, 4 Sep 2009 19:56:30 +0200
Pierre Riteau <Pierre.Riteau@irisa.fr> wrote:

> 
> On 4 sept. 09, at 19:29, Reimar Döffinger wrote:
> 
> > On Fri, Sep 04, 2009 at 07:09:58PM +0200, Pierre Riteau wrote:
> >> Error was:
> >> check-qint.c:46: error: integer constant is too large for 'long' type
> >> ---
> >> check-qint.c |    2 +-
> >> 1 files changed, 1 insertions(+), 1 deletions(-)
> >>
> >> diff --git a/check-qint.c b/check-qint.c
> >> index ae5d22f..f5c054e 100644
> >> --- a/check-qint.c
> >> +++ b/check-qint.c
> >> @@ -43,7 +43,7 @@ END_TEST
> >> START_TEST(qint_from_int64_test)
> >> {
> >>     QInt *qi;
> >> -    const int64_t value = 0xffffffffffffffff;
> >> +    const int64_t value = 0xffffffffffffffffLL;
> >
> > Hm, well it does not really fit in a signed long long either (so  
> > from that
> > aspect it should be ULL).
> > Should it not be simply -1 (does qemu assume all architectures
> > use two's complement?)?
> 
> 
> How about INT64_MIN?

 The test is there to assure that QInt can handle
integers > 32-bits, so it's not an issue if we have
fewer bits.