[RTEMS Project] #1254: Power PC setjmp broken on Altivec machines

[RTEMS trac]

#1254: Power PC setjmp broken on Altivec machines
--------------------+----------------------------
 Reporter:  norume  |       Owner:  joel.sherrill
     Type:  defect  |      Status:  new
 Priority:  normal  |   Milestone:  4.9.5
Component:  Newlib  |     Version:  unspecified
 Severity:  normal  |  Resolution:
 Keywords:          |
--------------------+----------------------------
Changes (by gedare):

 * milestone:  2 => 4.9.5


Old description:

> The Power PC version of setjmp/longjmp in newlib-1.15.0 does not check
> that the Altivec unit is enabled before attempting to save/restore.  A
> processor exception results.
>
> Till Straumann has sent a patch in a previous mailing list message, but
> the patch hasn't seemed to make it into the patch file(s) on the RTEMS
> server.

New description:

 The Power PC version of setjmp/longjmp in newlib-1.15.0 does not check
 that the Altivec unit is enabled before attempting to save/restore.  A
 processor exception results.

 Till Straumann has sent a patch in a previous mailing list message, but
 the patch hasn't seemed to make it into the patch file(s) on the RTEMS
 server.

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Ticket URL: <http://devel.rtems.org/ticket/1254#comment:2>
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