#14151: Update GMP-ECM to 6.4.4
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Reporter: zimmerma | Owner: tbd
Type: enhancement | Status: new
Priority: major | Milestone: sage-5.8
Component: packages | Resolution:
Keywords: spkg | Work issues:
Report Upstream: N/A | Reviewers:
Authors: | Merged in:
Dependencies: | Stopgaps:
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Comment (by leif):
Replying to [comment:3 zimmerma]:
> I wonder how sse2 can be enabled on a Pentium3, since configure.in only
enables it (when not requested by the user) for {{{pentium4-*-* |
viac7-*-* | i686-*-* | i786-*-*}}}.
Actually, GMP-ECM's `config.sub` "canonicalizes" `pentium3-*` (as well as
`pentium2-*` and similar) to `i686-*`, so i686 is not sufficient to assume
SSE2 support. (`pentium4-*` gets `i786-*`.)
(i686 then apparently triggers the SSE2 configure test, which doesn't try
to ''execute'' SSE2 instructions.)
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14151#comment:15>
Sage <http://www.sagemath.org>
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