[Bug c/40757] gcc 4.4.0 miscompiles mpfr-2.4.1

david dot kirkby at onetel dot net gcc-bugzilla@gcc.gnu.org
Fri Jul 17 04:11:00 GMT 2009

------- Comment #16 from david dot kirkby at onetel dot net  2009-07-17 04:11 -------
(In reply to comment #0)
> See http://websympa.loria.fr/wwsympa/arc/mpfr/2009-07/msg00031.html
> and the following discussion.
> This was on t2.math.washington.edu with
> /usr/local/gcc-4.4.0-sun-linker/bin/gcc:
> zimmerma@t2:/tmp/mpfr-2.4.1$ /usr/local/gcc-4.4.0-sun-linker/bin/gcc -v
> Using built-in specs.
> Target: sparc-sun-solaris2.10
> Configured with: /home/kirkby/gcc-4.4.0/configure CC=/usr/sfw/bin/gcc
> --prefix=/usr/local/gcc-4.4.0-sun-linker --without-gnu-as --without-gnu-ld
> --with-as=/usr/ccs/bin/as --with-ld=/usr/ccs/bin/ld
> --enable-languages=c,c++,fortran --with-mpfr-lib=/usr/local/lib
> --with-mpfr-include=/usr/local/include --with-gmp-include=/usr/local/include
> --with-gmp-lib=/usr/local/lib --with-libiconv-prefix=/usr/lib/iconv
> Thread model: posix
> gcc version 4.4.0 (GCC)

It would be useful if we had an exact statement of the problem, in terms of
"memset fails for ..." or whatever. I'd ask a few Sun people to have a look
here, and comment, but it's unclear precisely what is believed to be the issue. 



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