[RTEMS Project] #2270: SPARC: Optimized floating-point context handling

[RTEMS trac]

#2270: SPARC: Optimized floating-point context handling
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 Reporter:  sebastian.huber  |       Owner:  sebastian.huber
     Type:  enhancement      |      Status:  accepted
 Priority:  normal           |   Milestone:  4.11.1
Component:  cpukit           |     Version:  4.11
 Severity:  normal           |  Resolution:
 Keywords:  SPARC            |
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Comment (by sebastian.huber):

 I think nobody needs FP code in ISRs, but sometimes a compiler/library
 plagues you with some FP code in unexpected situations.  Option (2) is the
 only one I would not choose.  On SPARC I tend to implement (1).  On
 PowerPC for the FPU and AltiVec I tend to use (3).  The problem with (3)
 is that it works silently in the background and you may only notice
 changes if you get strange timing problems (hard to test in a test suite)
 after a GCC update for example.

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Ticket URL: <http://devel.rtems.org/ticket/2270#comment:4>
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