Peter Jeremy peterjeremy at optushome.com.au
Fri May 25 09:26:14 UTC 2007

On 2007-May-24 23:45:27 -0500, "Conrad J. Sabatier" <conrads at cox.net> wrote:
>Actually, section 3.17.14 in the gcc 4.2.0 docs (Intel 386 and AMD
>x86-64 Options) states that there is now also available a new "native"
>CPU type, which will cause gcc to determine the CPU type of the build
>machine and generate code for the same.

Sounds good.  But does gcc 4.2 generate optimal code for the CPU?
ISTR bde@ pointing out a number of cases where the "obvious" CPU type
generates code that is slower than code compiled for a different
architecture (for gcc 3.4).

Peter Jeremy
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