Date: Mon, 19 Mar 2001 21:47:10 +0200 From: "Eli Zaretskii" Sender: halo1 AT zahav DOT net DOT il To: Nate Eldredge Message-Id: <7458-Mon19Mar2001214709+0200-eliz@is.elta.co.il> X-Mailer: Emacs 20.6 (via feedmail 8.3.emacs20_6 I) and Blat ver 1.8.6 CC: djgpp AT delorie DOT com In-reply-to: <83hf0plj6q.fsf@mercury.st.hmc.edu> (message from Nate Eldredge on 19 Mar 2001 10:14:53 -0800) Subject: Re: Whats up with sqrt? References: <5BF60CD649EDD411A04600B0D049F53A092586 AT hydmail02 DOT hyd DOT wilco-int DOT com> <8361-Sat17Mar2001120444+0200-eliz AT is DOT elta DOT co DOT il> <83hf0plj6q DOT fsf AT mercury DOT st DOT hmc DOT edu> Reply-To: djgpp AT delorie DOT com Errors-To: nobody AT delorie DOT com X-Mailing-List: djgpp AT delorie DOT com X-Unsubscribes-To: listserv AT delorie DOT com Precedence: bulk > From: Nate Eldredge > Newsgroups: comp.os.msdos.djgpp > Date: 19 Mar 2001 10:14:53 -0800 > > Jason Green writes: > > > "Eli Zaretskii" wrote: > > > > > In fact, for most arguments, code produced by latest versions of GCC > > > doesn't even call the library function, it emits an FP instruction > > > that computes the square root directly. > > > > What arguments would cause the library function to be called? > > -fno-builtins, IIRC. I believe this is an answer to a different question: how to prevent GCC from not calling the library for some of the math functions. I think Jason was asking about the function arguments that would cause GCC to call the library.