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

[RTEMS trac]

#2213: Decreased performance for whetstone benchmark using GCC >=4.5
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 Reporter:  daniel.cederman  |       Owner:  daniel
     Type:  defect           |      Status:  assigned
 Priority:  normal           |   Milestone:  4.11.1
Component:  GCC              |     Version:
 Severity:  normal           |  Resolution:
 Keywords:                   |
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Comment (by daniel.cederman):

 A quick test shows that the performance for GCC 7 is about the same as for
 GCC 4.4.6.

 GCC 4.4.6 => ~52 seconds
 GCC 4.9.4 => ~55 seconds
 GCC 7.0.0 (master at 20170116) => ~52 seconds
 Compiled with -O3 and -mcpu=leon3.

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Ticket URL: <http://devel.rtems.org/ticket/2213#comment:6>
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