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Re: Patch: put back missing doloop optimization
- From: Sebastian Pop <sebastian dot pop at cri dot ensmp dot fr>
- To: Dale Johannesen <dalej at apple dot com>
- Cc: GCC Patches <gcc-patches at gcc dot gnu dot org>
- Date: Wed, 31 Aug 2005 11:57:51 +0200
- Subject: Re: Patch: put back missing doloop optimization
- References: <280d1306579d048b7746bfe2ce3cbc7f@apple.com>
Dale Johannesen wrote:
> As discussed on gcc@. This is a performance regression from
> gcc-3.3. Bootstrapped/regtested ppc Darwin. OK? (Sebastian
> should probably sign off on this, since he had an objection on
> gcc@).
>
> 2005-08-30 Dale Johannesen <dalej@apple.com>
>
> * loop-iv.c (iv_number_of_iterations): Fix overflow check for
> loops that count down.
>
> 2005-08-30 Dale Johannesen <dalej@apple.com>
>
> * gcc.dg/20050830-1.c: New.
>
I think that this is ok.
Sebastian