OT: alias options in gcc?
OT: alias options in gcc?
- Subject: OT: alias options in gcc?
- From: Cesare Ferrari <email@hidden>
- Date: Mon, 25 Nov 2002 10:03:34 +0000
Slight OT I know - I'm moving some DSP algorithms across to OSX and having
done some quick performance testing it has become apparent that the default
deployment gcc settings aren't being very aggressive when optimising the
code in my inner loops. The main problem is aliasing between my process
buffers (which are float *) and member variable of the enclosing class.
I can solve the problem by declaring local variables outside my inner loops
which contain copies of the referenced member variables in the inner loop,
but there is a lot of code to update if this is the only solution...
Anyone know what compiler settings I should try for gcc to change its
aliasing policy? I'm running the August ProjectBuilder update on 10.2.2.
Regards,
Cesare
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