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[Bug 1001607] Cortex-M4F architectural Floating Point Support

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Ilija Kocho <> changed:

           What    |Removed                     |Added
   Attachment #1979|0                           |1
        is obsolete|                            |

--- Comment #36 from Ilija Kocho <> 2012-12-02 20:15:41 GMT ---
Created an attachment (id=1991)
 --> (
 Cortex-M4F Floating Point Support 121202

Hi Jifl

After fine tuning and extensive testing, I think that with attached patches we
are close to check-in. I hope we can aim to commit by end of 2012.

FPU support, including GDB stub has been tested on Kinetis K70 and STM32F4

Changes: Default setting now is SOFT FPU. Rationale is that more often people
will make integer applications even on systems with FPU. I may be completely
wrong so comments are appreciated.

Another dilemma: Where to put the tests (thread_switch_fpu.cxx and fpinttest.c
only): kernel, hal or cortexm?


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