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Message from discussion New version of ratpoints
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Michael Stoll  
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 More options Apr 6 2009, 6:57 am
From: Michael Stoll <Michael.St...@uni-bayreuth.de>
Date: Mon, 6 Apr 2009 12:57:56 +0200
Local: Mon, Apr 6 2009 6:57 am
Subject: Re: [sage-nt] Re: New version of ratpoints
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Hi,

Am Saturday 04 April 2009 01:05:55 schrieb mabshoff:

> On Apr 1, 3:30 pm, Robert Miller <rlmills...@gmail.com> wrote:

> Hi,

> > In trying to compile this on my MacBook, I run into the following
> > compiler error, whether SSE2 is enabled or not:

> > gcc sift.c -c -o sift.o -I/Users/rlmill/sage-3.4.rc0/local/include -
> > Wall -O2  -DRATPOINTS_MAX_BITS_IN_PRIME=7
> > sift.c: In function ‘_ratpoints_sift0’:
> > sift.c:321: error: unrecognizable insn:
> > (insn 290 289 291 25 (set (reg:DI 81 [ D.8230 ])
> >         (vec_select:DI (reg/v:V2DI 60 [ nums ])
> >             (parallel [
> >                     (const_int 1 [0x1])
> >                 ]))) -1 (nil)
> >     (nil))
> > sift.c:321: internal compiler error: in extract_insn, at recog.c:2037
> > Please submit a full bug report,
> > with preprocessed source if appropriate.
> > See <URL:http://developer.apple.com/bugreporter> for instructions.
> > make: *** [sift.o] Error 1

> Well, for the record (and I told this to Robert in person): This is a
> bug in the gcc shipped with XCode 3.0 - I did not try any later
> release of XCode to see if the code compiles. It build fine on
> sage.math and rlm build an spkg out of it in case anyone is
> interested.

at one point, I ran into a similar compiler bug when compiling an earlier
version of the program with SSE2 enabled. It went away after I replaced a
complicated statement by several simpler ones.

> Since the code is currently GPL V3 there it does not
> qualify to be merged at the moment anyway.

What should I change to make it possible to merge it into SAGE?

Thanks,
Michael

--
Michael Stoll * http://www.mathe2.uni-bayreuth.de/stoll/
Mathematisches Institut * Universität Bayreuth * 95440 Bayreuth, Germany
Michael.St...@uni-bayreuth.de


 
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