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Message-ID: <54216D72.2070307@cs.umass.edu>
Date: Tue, 23 Sep 2014 08:54:10 -0400
From: Eliot Moss <moss@cs.umass.edu>
Reply-To: moss@cs.umass.edu
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To: cygwin@cygwin.com
Subject: Re: ffs problem in windows64
References: <CAHAq8pG0xMtSLJYs_u8OW4Z1Loovpyzzyo4oLBZQPqYsWFUU6w@mail.gmail.com>
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On 9/23/2014 8:47 AM, Paulo César Pereira de Andrade wrote:
>    Hi,
>
>    I am almost done porting https://savannah.gnu.org/projects/lightning
> to cygwin and windows64 abi. But I found a problem with the ffs function.
>
>    The test case is simple:
>
> $ cat x.c
> extern int ffs(int);
> int main(void) {
> long l = 0x80000000;
> int i = ffs((int)l);
> return 0;
> }
>
> $ gcc -O0 -g3 x.c
>
> $ ./a.exe
> Segmentation fault (...)

WJFFM in 32 bit cygwin.

Regards -- Eliot Moss


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