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From: chris@umcp-cs.UUCP (Chris Torek)
Newsgroups: net.lang.c
Subject: Re: more questions about efficient C code
Message-ID: <618@umcp-cs.UUCP>
Date: Mon, 1-Jul-85 21:58:37 EDT
Article-I.D.: umcp-cs.618
Posted: Mon Jul  1 21:58:37 1985
Date-Received: Fri, 5-Jul-85 04:48:03 EDT
References: <474@crystal.UUCP> <420@enmasse.UUCP> <2367@sun.uucp>
Distribution: net
Organization: U of Maryland, Computer Science Dept., College Park, MD
Lines: 17

>>[...] it all depends on your particular compiler
>>implementation [...] use the '-S' flag of the compiler
>>[to] produce assembly code that you can examine [...].

>Unfortunately, this option is not likely to show you the
>optimized code you would get from running the compiler with
>the -O flag.  To really see what's being generated, compile
>it, and then look at the object file with something like
>foo,24?ai
>in adb.

That's not necessary; -O and -S work just fine together, at
least under 4BSD (including Sun 4.2).
-- 
In-Real-Life: Chris Torek, Univ of MD Comp Sci Dept (+1 301 454 4251)
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