From owner-FreeBSD-users-jp@jp.FreeBSD.org Tue May 28 12:40:59 2002
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From: nork@cityfujisawa.ne.jp (Norikatsu Shigemura)
To: FreeBSD-users-jp@jp.FreeBSD.org
In-Reply-To: Your message of "Tue, 28 May 2002 11:50:38 +0900 (JST)".
	<200205280250.LAA27022@biwasv01.biwa.ne.jp>
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Date: Tue, 28 May 2002 12:40:58 +0900
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Subject: [FreeBSD-users-jp 68759] Re: -ffast-math
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$B=EB<K!9n$G$9!#(B

2002/05/28 11:50 $B$K(BFuhito Inagawa$B$5$s$O=q$-$^$7$?(B.
>>   | $B$?$V$s!"(BLinux $B$G$O(B math.h $B$+$=$l$+$iFI$^$l$k%X%C%@%U%!%$%k$G(B
>>   | $B%$%s%i%$%s4X?t$H$7$FE83+$9$k$h$&$K$J$C$F$k$@$1$J$s$G$7$g$&!#(B
>>   | #NO_APP$B!A(B#APP $B$G0O$^$l$F$$$?$i!"$3$N%1!<%9$G$9!#(B
>> FreeBSD 3.4 $B$N(B gcc 2.7.2.3 $B$G$b!"(B-mfancy-math-387 $B$r$D$1$k$H!"(B
>> FPU $B%3!<%I$rEG$-=P$7$F$$$^$9!#(B
>> $B$J$N$G!"$3$N%*%W%7%g%s$,M-8z$K$J$C$F$k$s$8$c$J$$$G$7$g$&$+!)(B

	FreeBSD 4-STABLE $B$J(B gcc (version 2.95.3 20010315 (release) [FreeBSD])
	$B$G$9$,(B, -ffast-math -mfancy-math-387 -m80387 -O $B$N(B 4 $B>r7o(B
	$B$rK~$?$;$P8f4|BT$N$b$N$,F@$i$l$^$9!#$I$&$d$i(B -mno-80387 $B$,(B
	$B%G%#%U%)%k%H$N$h$&$G!#$b$A$m$s(B -m80387 $B$NBe$o$j$K(B -mhard-float
	$B$O(B OK $B$G$9!#(Bsqrt(3) $B$"$?$j$J$i(B -ffast-math $B$,L5$/$F$b%$%s%i(B
	$B%$%sE83+$7$F$7$^$$$^$9!#$^$H$a$k$H2<5-I=$K$J$j$^$9!#(B

	sqrt	-O -mfancy-math-387 -m80387 -ffast-math
	sin	-O -mfancy-math-387 -m80387 -ffast-math
	cos	-O -mfancy-math-387 -m80387

	$B"((B -O $B$O(B -O0 $B0J30(B(-Os $B$G$bM-8z(B)
