On Wed, Sep 2, 2015 at 10:29 AM, Daniel Gutson <daniel.gut...@tallertechnologies.com> wrote: > > El 2/9/2015 11:14, "Joel Sherrill" <joel.sherr...@oarcorp.com> escribió: >> >> >> >> On 8/31/2015 5:47 AM, Cudmore, Alan P. (GSFC-5820) wrote: >>> >>> Having a floating point configuration of the BSP makes sense. I was able >>> to rebuild the BSP with the hardware floating point compiler option and >>> it >>> works. >>> >>> I did get a floating point exception in the FTP task and had to change >>> the >>> FTP task create to enable floating point. Is it worth submitting a patch >>> to change that? >> >> >> What did it use the FPU for? Is this a case where GCC emits FPU >> instructions >> just to move data or calculate array indices? > > Offtopic: this seems very suboptimal. Have you got an actual example of > that? I'd like to take a look. > Daniel, I don't have a specific example, but the history is that GCC could (used to?) emit instructions that make use of FP registers of the CPU in case GCC thinks that an FPU co-processor is used.
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