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Date: Tue, 05 May 2009 08:17:01 -0600 (MDT)
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To: tinguely@casselton.net
From: "M. Warner Losh" <imp@bsdimp.com>
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Cc: channa.kad@gmail.com, freebsd-arm@freebsd.org, venkiece2005@gmail.com
Subject: Re: strncmp issue
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In message: <200905051317.n45DHtKW044428@casselton.net>
            Mark Tinguely <tinguely@casselton.net> writes:
: 
: >  I have tested strncmp("abcdefg", "abcdefh", 6) without beq   2f.
: >  It returns zero not -1.
: >
: >  I have checked with conditional assembler but not normal assembler.
: >  The beq 2f  is required for normal assembler.
: >  Right/Wrong?
: 
: Yes, the compiler with FreeBSD-current needs the "beq 2f".
: 
: Can can one do 2 unconditional "cmp" in sequence without losing the condition
: codes of the first "cmp"?
: 
: I am sure this is becoming a 'bikeshed' topic. I built way more than my
: share of the shed. So, as long as it works, I will be happy.

Is the hand rolled assembler still better than what gcc can produce?

Warner