[RTEMS Project] #2213: Decreased performance for whetstone benchmark using GCC >=4.5

RTEMS trac trac at rtems.org
Tue Dec 9 10:07:33 UTC 2014


#2213: Decreased performance for whetstone benchmark using GCC >=4.5
-----------------------------+------------------
 Reporter:  daniel.cederman  |      Owner:
     Type:  defect           |     Status:  new
 Priority:  normal           |  Milestone:  4.11
Component:  GCC              |    Version:
 Severity:  normal           |   Keywords:
-----------------------------+------------------
 Moving from GCC 4.4.2 to 4.9.2 increases the execution time of the
 whetstone benchmark on both SPARC and x86. The cause seems to be a single
 commit. I have submitted a bug report to the GCC bugzilla:

 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64193

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Ticket URL: <http://devel.rtems.org/ticket/2213>
RTEMS Project <http://www.rtems.org/>
RTEMS Project


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