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| author | Joel Sherrill <joel.sherrill@OARcorp.com> | 2006-08-09 23:04:47 +0000 |
|---|---|---|
| committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 2006-08-09 23:04:47 +0000 |
| commit | a19034d902b0a67e093894ba2cc143c625d5e69e (patch) | |
| tree | f1f378efa404135d9ef0fc9ba9a9d3a014b9a096 /cpukit | |
| parent | 2006-08-09 Joel Sherrill <joel@OARcorp.com> (diff) | |
| download | rtems-a19034d902b0a67e093894ba2cc143c625d5e69e.tar.bz2 | |
2006-08-09 Joel Sherrill <joel@OARcorp.com>
* rtems/score/cpu.h: Because gcc implicitly uses floating point turn on
floating point for all threads if there is a hardware FPU.
Diffstat (limited to 'cpukit')
| -rw-r--r-- | cpukit/score/cpu/powerpc/ChangeLog | 5 | ||||
| -rw-r--r-- | cpukit/score/cpu/powerpc/rtems/score/cpu.h | 6 |
2 files changed, 10 insertions, 1 deletions
diff --git a/cpukit/score/cpu/powerpc/ChangeLog b/cpukit/score/cpu/powerpc/ChangeLog index d4a565da0c..de4e664d21 100644 --- a/cpukit/score/cpu/powerpc/ChangeLog +++ b/cpukit/score/cpu/powerpc/ChangeLog @@ -1,3 +1,8 @@ +2006-08-09 Joel Sherrill <joel@OARcorp.com> + + * rtems/score/cpu.h: Because gcc implicitly uses floating point turn on + floating point for all threads if there is a hardware FPU. + 2006-07-12 Till Straumann <strauman@slac.stanford.edu> * rtems/old-exceptions/cpu.h, rtems/powerpc/registers.h: diff --git a/cpukit/score/cpu/powerpc/rtems/score/cpu.h b/cpukit/score/cpu/powerpc/rtems/score/cpu.h index 3739ccec63..b3115bb312 100644 --- a/cpukit/score/cpu/powerpc/rtems/score/cpu.h +++ b/cpukit/score/cpu/powerpc/rtems/score/cpu.h @@ -157,9 +157,13 @@ * If FALSE, then the RTEMS_FLOATING_POINT task attribute is followed. * * If CPU_HARDWARE_FP is FALSE, then this should be FALSE as well. + * + * PowerPC Note: It appears the GCC can implicitly generate FPU + * and Altivec instructions when you least expect them. So make + * all tasks floating point. */ -#define CPU_ALL_TASKS_ARE_FP FALSE +#define CPU_ALL_TASKS_ARE_FP CPU_HARDWARE_FP /* * Should the IDLE task have a floating point context? |