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Re: [PATCH] Better optimize mempcpy and stpcpy builtins
- From: Jakub Jelinek <jakub at redhat dot com>
- To: Richard Henderson <rth at redhat dot com>, "Kaveh R. Ghazi" <ghazi at caip dot rutgers dot edu>, gcc-patches at gcc dot gnu dot org
- Date: Thu, 22 May 2003 14:24:42 -0400
- Subject: Re: [PATCH] Better optimize mempcpy and stpcpy builtins
- References: <20030521215042.GI16629@sunsite.ms.mff.cuni.cz> <20030522181529.GF2016@redhat.com>
- Reply-to: Jakub Jelinek <jakub at redhat dot com>
On Thu, May 22, 2003 at 02:15:29PM -0400, Richard Henderson wrote:
> On Wed, May 21, 2003 at 11:50:42PM +0200, Jakub Jelinek wrote:
> > + if (endp)
> > + {
> > + fn = get_identifier ("mempcpy");
>
> I'd rather this not invade this far. I'd rather we
> fail the operation and have the builtin fall back
> to mempcpy instead.
But can we? emit_block_move already called protect_from_queue on the
arguments.
Jakub