On Sat, Apr 25, 2009 at 7:22 AM, edwintorok at gmail dot com
<gcc-bugzi...@gcc.gnu.org> wrote:

> Hmm, looks like the only way out is for me to put #if defined(__GNUC__) &&
> (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4) and use memcpy.
> Either that or add a configure rule to add -fno-strict-aliasing.

GCC has been able to optimize memcpy since at least 3.0.0 so using:
#if (__GNUC__ >=3)

Should be good enough (undefined macros are substituted with 0 in #if's).

-- Pinski

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