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Re: Builtins and C++ and such

From: Richard Henderson <rth at redhat dot com>
To: Mark Mitchell <mark at codesourcery dot com>
Cc: Jason Merrill <jason at redhat dot com>, "roger at eyesopen dot com" <roger at eyesopen dot com>, "jsm28 at cam dot ac dot uk" <jsm28 at cam dot ac dot uk>, "gcc at gcc dot gnu dot org" <gcc at gcc dot gnu dot org>, "bkoz at redhat dot com" <bkoz at redhat dot com>
Date: Tue, 19 Mar 2002 15:14:53 -0800
Subject: Re: Builtins and C++ and such
References: <51660000.1016573597@gandalf.codesourcery.com> <wvlwuw8185h.fsf@prospero.cambridge.redhat.com> <56660000.1016579208@gandalf.codesourcery.com>

On Tue, Mar 19, 2002 at 03:06:48PM -0800, Mark Mitchell wrote:
> My present suggestion is allegedgly good because it uses a little
> hook that all languages can take advantage of in whatever
> way they want, it delays the optimization until RTL expansion so
> that tree-based optimizations don't get confused, and it is pretty
> demonstrably safe by looking at the body of the hook and nothing
> else.

You don't want to delay things that long.  You want e.g.
__builtin_abs to turn in to the ABS_EXPR tree code.


r~

Follow-Ups:
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  - From: Roger Sayle

References:
- Builtins and C++ and such
  - From: Mark Mitchell
- Re: Builtins and C++ and such
  - From: Jason Merrill
- Re: Builtins and C++ and such
  - From: Mark Mitchell

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