-ffast-math individual optimizations

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-ffast-math individual optimizations
\ Tim Prince (22 Sep 2007)
. \ Dorit Nuzman (23 Sep 2007)
. . \ Tim Prince (23 Sep 2007)

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Subject:	-ffast-math individual optimizations
Group:	Gcc-help
From:	Tim Prince
Date:	22 Sep 2007

Is there documentation on how to get individual optimizations without
invoking all of -ffast-math for gcc 4.3? In particular, vectorization
of sum reduction, and abrupt underflow?