Patch for bz#11589 - jn calculation

[Andreas Schwab]

David Miller <davem@davemloft.net> writes:

> I've been getting getting testsuite failures on sparc in this area
> ever since the powerpc changes went in.

An older build on sparc (which didn't yet contain these tests) showed no
failures.

Andreas.

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Andreas Schwab, schwab@redhat.com
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