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Re: Structure Return Testcase

To: law at redhat dot com
Subject: Re: Structure Return Testcase
From: Mark Mitchell <mark at codesourcery dot com>
Date: Thu, 15 Mar 2001 15:39:50 -0800
Cc: rth at redhat dot com, jsm28 at cam dot ac dot uk, gcc at gcc dot gnu dot org
Organization: CodeSourcery, LLC
References: <20010315145732U.mitchell@codesourcery.com><1462.984698770@slagheap.cygnus.com>

>>>>> "Jeffrey" == Jeffrey A Law <law@redhat.com> writes:

    Jeffrey> I'd think you'd want a bit on the expression.  Or maybe
    Jeffrey> the other way around, a bit when we know there's no
    Jeffrey> overlap (ie, flip the default to be the safe way --
    Jeffrey> memmove and use memcpy only when we can prove its safe).

Agreed; conservative defaults are good.

    Jeffrey> That's what I'm starting to think is the right thing to
    Jeffrey> do.  Let's get it working correctly, then try to
    Jeffrey> improve/refine our selection of memcpy vs memmove.

Yup, me too.

--
Mark Mitchell                   mark@codesourcery.com
CodeSourcery, LLC               http://www.codesourcery.com

References:
- Re: Structure Return Testcase
  - From: Mark Mitchell
- Re: Structure Return Testcase
  - From: Jeffrey A Law

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