Re: [PATCH]: PR middle-end/31796 use MPFR to evaluate remquo/remainder/drem at compile-time

["Richard Guenther" <richard dot guenther at gmail dot com>]

On 5/5/07, Kaveh R. GHAZI <ghazi@caip.rutgers.edu> wrote:
> This patch address PR middle-end/31796.  It uses MPFR to evaluate remquo,
> remainder and drem at compile-time when they are supplied with constant
> arguments.
>
> This patch relies on the follow two previous (and as yet unreviewed)
> patches to apply cleanly:
>
> http://gcc.gnu.org/ml/gcc-patches/2007-04/msg01624.html
> http://gcc.gnu.org/ml/gcc-patches/2007-04/msg01663.html
>
> Tested on sparc-sun-solaris2.10, no regressions and the new tests all
> pass.
>
> Okay for mainline?

This is ok if you XFAIL the testcases that require new mpfr.  Also please
consider adding new testcase files for those that need XFAILing (I
suppose builtin-math-4.c is from some other patch taht did not went in
yet).

Richard.

:REVIEWMAIL:

>                 Thanks,
>                 --Kaveh
>
> :ADDPATCH middle-end:
>
>
> 2007-05-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
>
>         PR middle-end/31796
>         * builtins.c (do_mpfr_remquo): New.
>         (fold_builtin_2): Handle BUILT_IN_DREM/BUILT_IN_REMAINDER.
>         (fold_builtin_3): Handle BUILT_IN_REMQUO.
>
> testsuite:
>         * gcc.dg/torture/builtin-math-2.c: Add tests for remquo, remainder
>         and drem.
>         * gcc.dg/torture/builtin-math-4.c: Likewise.