Date: Mon, 15 Jun 1998 05:18:51 +1000 From: Bruce Evans <bde@zeta.org.au> To: bde@FreeBSD.ORG, dima@tejblum.dnttm.rssi.ru Cc: cvs-all@FreeBSD.ORG, cvs-committers@FreeBSD.ORG, cvs-sys@FreeBSD.ORG Subject: Re: cvs commit: src/sys/nfs nfs_bio.c nfs_subs.c Message-ID: <199806141918.FAA15242@godzilla.zeta.org.au>
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>> Pre-2.8 versions of gcc generate a call to __divdi3() for all 64-bit >> signed divisions, but egcs optimizes them to a shift and fixup when >> the divisor is a constant power of 2. Unfortunately, it generates >> a call to __cmpdi2() for the fixup, although all except possibly >> ancient versions of gcc and egcs do ordinary 64-bit comparisons >> inline. > >A quite fresh egcs snapshot inline the comparison even in this case. Still slower than not doing it :-). Bruce To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
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