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Re: [PATCH][fortran] Rework allocator library interface
- From: Jack Howarth <howarth at bromo dot msbb dot uc dot edu>
- To: Richard Guenther <rguenther at suse dot de>
- Cc: gcc-patches at gcc dot gnu dot org, fortran at gcc dot gnu dot org
- Date: Tue, 12 Dec 2006 09:44:47 -0500
- Subject: Re: [PATCH][fortran] Rework allocator library interface
- References: <Pine.LNX.4.64.0612111756240.3105@zhemvz.fhfr.qr>
Richard,
Bootstrapped and tested at -m32 and -m64 on powerpc-apple-darwin8
with the patch (sans the so version change) applied to gcc 4.2 branch.
Builds fine and produces no regressions in the gfortran testsuite.
Jack
On Mon, Dec 11, 2006 at 06:14:56PM +0100, Richard Guenther wrote:
>
> This reworks the libgfortran allocator interfaces to be suitable to
> marking them with DECL_IS_MALLOC and so exposing the newly allocated
> memory to better alias disambiguation. This allows for example fatigue
> to improve 30% with coalescing sin and cos to sincos which is not
> possible at the moment due to aliasing issues solved by this patch.
>
> This patch also bumps the libgfortran so version (we can omit this
> change if we also apply the change to 4.2).
>
> Bootstrapped and tested on x86_64-unknown-linux-gnu.
>
> Ok for mainline? (4.2?)
>