From owner-FreeBSD-users-jp@jp.FreeBSD.org Tue May 28 12:27:22 2002
Received: (from daemon@localhost)
	by castle.jp.FreeBSD.org (8.11.6+3.4W/8.11.3) id g4S3RM447399;
	Tue, 28 May 2002 12:27:22 +0900 (JST)
	(envelope-from owner-FreeBSD-users-jp@jp.FreeBSD.org)
Received: from mail.sat.t.u-tokyo.ac.jp (nat.keisu.t.u-tokyo.ac.jp [133.11.68.2])
	by castle.jp.FreeBSD.org (8.11.6+3.4W/8.11.3) with ESMTP/inet id g4S3RMv47394
	for <FreeBSD-users-jp@jp.FreeBSD.org>; Tue, 28 May 2002 12:27:22 +0900 (JST)
	(envelope-from simokawa@sat.t.u-tokyo.ac.jp)
Received: from ett.sat.t.u-tokyo.ac.jp (ett.sat.t.u-tokyo.ac.jp [10.6.1.30])
	by mail.sat.t.u-tokyo.ac.jp (Postfix) with ESMTP id 0551E2DC72
	for <FreeBSD-users-jp@jp.FreeBSD.org>; Tue, 28 May 2002 12:27:20 +0900 (JST)
Date: Tue, 28 May 2002 12:27:20 +0900
Message-ID: <ybsznyllzon.wl@ett.sat.t.u-tokyo.ac.jp>
From: Hidetoshi Shimokawa <simokawa@sat.t.u-tokyo.ac.jp>
To: FreeBSD-users-jp@jp.FreeBSD.org
In-Reply-To: <20020528.090022.730562907.maho@scarlatti.synchem.kyoto-u.ac.jp>
References: <20020528.090022.730562907.maho@scarlatti.synchem.kyoto-u.ac.jp>
User-Agent: Wanderlust/2.9.9 (Unchained Melody) REMI/1.14.3 (Matsudai)
 FLIM/1.14.3 (=?ISO-8859-1?Q?Unebigory=F2mae?=) APEL/10.3 MULE XEmacs/21.2
 (beta19) (Shinjuku) (i386-unknown-freebsd3.2)
X-Face: OE([KxWyJI0r[R~S/>7ia}SJ)i%a,$-9%7{*yihQk|]gl}2p#"oXmX/fT}Bn7:#j7i14gu$
 jgR\S*&C3R/pJX<mI-4Z8'mqt1R'CjWdw-xqVoilv`\JgZcquM5oVuO^<vt/~051rCDM(`{rM~?{Ok
 r,XC+}Ycm9IJO)odT*-0nyJjBJYzL{GsZ
MIME-Version: 1.0 (generated by REMI 1.14.3 - "Matsudai")
Content-Type: text/plain; charset=ISO-2022-JP
Reply-To: FreeBSD-users-jp@jp.FreeBSD.org
Precedence: list
X-Distribute: distribute version 2.1 (Alpha) patchlevel 24e+020417
X-Sequence: FreeBSD-users-jp 68758
Subject: [FreeBSD-users-jp 68758] Re: -ffast-math
Errors-To: owner-FreeBSD-users-jp@jp.FreeBSD.org
Sender: owner-FreeBSD-users-jp@jp.FreeBSD.org
X-Originator: simokawa@sat.t.u-tokyo.ac.jp

$B2<@n$G$9(B.

At Tue, 28 May 2002 09:00:22 +0900 (JST),
Nakata Maho wrote:
> 
> $B$J$+$?$H?=$7$^$9!#(B
> 
> intel compiler for Linux $B$N%9%l$r8+$F$$$F(B
> http://pc.2ch.net/test/read.cgi/linux/1007024009/
> $B$A$g$C$H5$$E$$$?$3$H$r!#(B
> 
> $B0J2<$N%W%m%0%i%`$r(B gcc-2.95.3 $B$G%3%s%Q%$%k$9$k$H!"(B
> #include <stdio.h>
> #include <math.h>
> main(){printf("%lf\n",sin(3.14));}
> Linux(RH7.2) $B$H(B FreeBSD(4.5-STABLE) $B$G5sF0$,0c$$$^$7$?!#(B
> $BEvA3(B gcc $B$O(B RH7.2, FreeBSD $B$G$bF1$8$G$9!#(B
> 
> $B6qBNE*$K$O(B -ffast-math $B$r$D$1$k$H!"(B
> 1. Linux$B$G$O(B inline $BE83+$r$7$F%3%W%m$KEO$7$^$9!#(B
> 2. FreeBSD $B$G$O$^$@%i%$%V%i%j$r8F$S$^$9!#(B
> $B3N$+$K(B info $B$G$O(B $B$3$N%*%W%7%g%s$r$D$1$k$H!V:GE,2=$N0Y$K(B
> ANSI$B$d(BIEEE$B$N5,B'$r0cH?$9$k!W$H$+=q$$$F$"$j$^$9!#(B
> $B$H$$$&$3$H$G!"$3$N5-=R$@$HJL$K%3%W%m$KEO$5$J$$$G!"(B
> $B%i%$%V%i%j$r8F$\$&$H$+$^$o$J$$$N$G$9$,!#(B
> 
> $B$H$$$&$o$1$G!"(B
> $BF1$8%=!<%9$r%3%s%Q%$%k$7$F$b<B9T%9%T!<%I$O(B
> FreeBSD$B$NJ}$,(B
> $B$+$J$jMn$A$^$9!#(B

-mno-fancy-math-387 $B$bIU$1$k$H(B fsin $B$r;H$&$h$&$G$9(B.

$B;29M(B: 
/usr/src/contrib/gcc/config/i386/freebsd.h $B$N(B TARGET_DEFAULT $B$"$?$j(B.
/usr/src/contrib/gcc/config/i386/i386.md $B$N(B fast_math $B4X78(B
/usr/src/contrib/gcc/config/i386/i386.h $B$N(B fancy-math-387 $B$"$?$j(B.

/\ Hidetoshi Shimokawa
\/  simokawa@sat.t.u-tokyo.ac.jp
PGP public key: http://www.sat.t.u-tokyo.ac.jp/~simokawa/pgp.html
