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Re: insufficient inline optimisation?
- From: Steven Bosscher <stevenb at suse dot de>
- To: Anthony Shipman <als at iinet dot net dot au>
- Cc: gcc at gcc dot gnu dot org
- Date: Tue, 1 Nov 2005 13:15:05 +0100 (CET)
- Subject: Re: insufficient inline optimisation?
- References: <200511012307.39761.als@iinet.net.au>
On Nov 01, 2005 01:07 PM, Anthony Shipman <als@iinet.net.au> wrote:
> But then if I compile with -O the constructor will be inlined. The
> generated
> machine code contains a loop which does nothing 100 times:
> movl $100, %eax
> L11:
> decl %eax
> jne .L11
>
> I think that the optimiser should get rid of the loop once it has got
> rid of
> the body!
>
> Should I submit this as a bug?
I don't think so. This kind of thing is optimized away by gcc 4.1
already.
Gr.
Steven
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