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Discussion Groups | Freescale DSPs | Re: 64 bit integer support
Technical discussions about Freescale (Motorola) DSPs (including the DSP56000, DSP56300, DSP56600, 56800 DSPs).
64 bit integer support - Author Unknown - Jul 1 14:03:00 2002
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Hallo everyone. Are 64bit integer math operations support in CW4.1 with DSP56F805? If yes, how can I enable it ? I've tried with "#pragma longlong on" but it seems not work. Thanks Marco |
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Re: 64 bit integer support - MW Ron - Jul 1 16:55:00 2002
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wrote: > Are 64bit integer math operations support in CW4.1 with DSP56F805? > If yes, how can I enable it ? I've tried with "#pragma longlong on" but it > seems not work. Sorry, but there is not 64 bit integer support that I know of, there isn't even a 64 bit type supported by the compiler as the accumulators on the DSP (where most of the math is done) are only 36 bits wide. P.S. #pragma longlong is not supported by the DSP56800 tools. Please refer to the Targeting_DSP56800 manual to see what #pragmas are supported. Ron -- CodeWarrior, the ultimate development tools for Symbian OS http://www.metrowerks.com/products/symbian/d4 Metrowerks, maker of CodeWarrior - "Software Starts Here" Ron Liechty - - http://www.metrowerks.com |
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