Warning when compiling on NetBSD/sparc64

[Marc Glisse]

On Sat, 30 Nov 2013, Niels Möller wrote:

> Martin Husemann <martin at duskware.de> writes:
>
>> when compiling gmp 5.1.3 on a NetBSD/sparc64 machine, gcc complains:
>>
>> divrem_2.c: In function '__gmpn_divrem_2':
>> divrem_2.c:101:4: warning: right shift count >= width of type
>>
>> (in mpn/generic).
>>
>> I have bean unable to unriddle the macro - so I'm reporting it here.
>
> What does the offending lines look like? Your line numbers don't match
> mine. (line 101 in my divrem_2.c is an invocation of udiv_qr_3by2, which
> contains no rght shift as far as I see).

udiv_qr_3by2 uses add_ssaaaa which has some ">> 32" on sparc64. A 
preprocessed version of divrem_2.c would help (the relevant line is likely 
to be huge, please insert line breaks in it and compile to see where the 
error is precisely).

> Also, I'd like to see the configure command and the compilation command
> line.

With everything asked here:
http://gmplib.org/manual/Reporting-Bugs.html

-- 
Marc Glisse