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Re: [PATCH GCC][06/13]Preserve loop nest in whole distribution life time
- From: Richard Biener <richard dot guenther at gmail dot com>
- To: Bin Cheng <Bin dot Cheng at arm dot com>
- Cc: "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>, nd <nd at arm dot com>
- Date: Tue, 13 Jun 2017 13:06:42 +0200
- Subject: Re: [PATCH GCC][06/13]Preserve loop nest in whole distribution life time
- Authentication-results: sourceware.org; auth=none
- References: <VI1PR0802MB21768DDC39759A94BC4F2A54E7CD0@VI1PR0802MB2176.eurprd08.prod.outlook.com>
On Mon, Jun 12, 2017 at 7:02 PM, Bin Cheng <Bin.Cheng@arm.com> wrote:
> Hi,
> This simple patch computes and preserves loop nest vector for whole distribution
> life time. The loop nest will be used multiple times in on-demand data dependence
> computation.
>
> Bootstrap and test on x86_64 and AArch64. Is it OK?
Don't like it too much but I guess we can see if refactoring it back
to pass down
loop_nest can work.
Ok.
Thanks,
Richard.
> Thanks,
> bin
> 2017-06-07 Bin Cheng <bin.cheng@arm.com>
>
> * tree-loop-distribution.c (loop_nest): New global var.
> (build_rdg): Use loop directly, rather than loop nest.
> (pg_add_dependence_edges): Remove loop nest parameter. Use global
> variable directly.
> (distribute_loop): Compute global variable loop nest. Update use.