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From: Christian Cornelssen <ccorn@cs.tu-berlin.de> To: nobody@gcc.gnu.org Cc: gcc-prs@gcc.gnu.org, Subject: Re: optimization/8541: Alpha architecture: Wrong code with -O1 and higher (Regression from 2.95) Date: Tue, 19 Nov 2002 15:07:00 -0000 [thread overview] Message-ID: <20021112141609.24080.qmail@sources.redhat.com> (raw) The following reply was made to PR optimization/8541; it has been noted by GNATS. From: Christian Cornelssen <ccorn@cs.tu-berlin.de> To: Christoph Ludwig <cludwig@cdc.informatik.tu-darmstadt.de> Cc: Falk Hueffner <falk.hueffner@student.uni-tuebingen.de>, <gcc-gnats@gcc.gnu.org> Subject: Re: optimization/8541: Alpha architecture: Wrong code with -O1 and higher (Regression from 2.95) Date: Tue, 12 Nov 2002 15:11:39 +0100 (CET) Hello, On Tue, 12 Nov 2002, Christoph Ludwig wrote: > On Tue, Nov 12, 2002 at 01:01:25PM +0100, Falk Hueffner wrote: > > > > // a1 * RADIX + a0 = quot * b + RV > > inline udigit > > divide (udigit & quot, udigit a1, udigit a0, udigit b) > > { > > udigit a[2] = { a0, a1 }; > > return mpn_divrem_1(", 0, a, 2, b); > > } That is, we need to replace 2 -> 2*sizeof(udigit)/sizeof(mp_limb_t). But that does not explain the "random behavior of comparisons"... Regards, Christian Cornelssen
next reply other threads:[~2002-11-12 14:16 UTC|newest] Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top 2002-11-19 15:07 Christian Cornelssen [this message] -- strict thread matches above, loose matches on Subject: below -- 2002-11-22 17:16 bangerth 2002-11-19 14:36 Christoph Ludwig 2002-11-19 14:16 Falk Hueffner 2002-11-19 13:26 cludwig
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