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Date:      Sun, 04 Apr 1999 23:13:49 -0600
From:      Warner Losh <imp@harmony.village.org>
To:        current@freebsd.org
Subject:   Boot blocks
Message-ID:  <199904050513.XAA69299@harmony.village.org>

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Just wanted to let people know that the unmodified boot blocks have
144 bytes free if you compile them -Os and -16 free if you compile
them -O2.  -fno-exceptions didn't seem to impact things at all, nor
did -fno-sjlj-exceptions.  At least in terms of size.  So it looks
like the right fix for the boot blocks is to use -Os rather than -O2.
This will make them slightly slower, but no body[*] is going to be
able to convince me that they can measure the difference.

Warner

[*] With the possible exception of Bruce. :-)


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