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List:       gcc-fortran
Subject:    Re: [Patch, fortran] PR40472 - Simplification of spread intrinsic  	takes a long time
From:       "H.J. Lu" <hjl.tools () gmail ! com>
Date:       2009-06-22 14:44:29
Message-ID: 6dc9ffc80906220744x5fb50617ic9cabd16aed6796e () mail ! gmail ! com
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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.

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