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Re: [Patch, fortran] PR40472 - Simplification of spread intrinsic takes a long time
- From: "H.J. Lu" <hjl dot tools at gmail dot com>
- To: Paul Richard Thomas <paul dot richard dot thomas at gmail dot com>
- Cc: fortran at gcc dot gnu dot org, gcc-patches <gcc-patches at gcc dot gnu dot org>
- Date: Mon, 22 Jun 2009 07:44:29 -0700
- Subject: Re: [Patch, fortran] PR40472 - Simplification of spread intrinsic takes a long time
- References: <339c37f20906201539p46a65dd6l587688acd8266437@mail.gmail.com>
On Sat, Jun 20, 2009 at 3:39 PM, Paul Richard
Thomas<paul.richard.thomas@gmail.com> wrote:
> Dear All,
>
> This is another obvious one - at the moment, SPREAD has the ability to
> simplify an array to any size. ?This is clearly not right. ?As a
> simplifying (excuse the pun) assumption, I have supposed that
> gfc_simplify_spread should not try to emit an array of larger than
> gfc_option.flag_max_array_constructor.
>
> Bootstraps and regtests on FC9/x86_64 - OK for trunk and 4.4?
>
> Paul
>
> 2009-06-21 ?Paul Thomas ?<pault@gcc.gnu.org>
>
> ? ? ? ?PR fortran/40472
> ? ? ? ?* simplify.c (gfc_simplify_spread): Restrict the result size to
> ? ? ? ?the limit for an array constructor.
>
> 2009-06-21 ?Paul Thomas ?<pault@gcc.gnu.org>
>
> ? ? ? ?PR fortran/40472
> ? ? ? ?* gfortran.dg/spread_size_limit.f90: New test.
>
This caused:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40520
I saw it on Linux/ia32 and Linux/ia64. I didn't see it on Linux/x86-64.
--
H.J.